From decfd0fabcc046e0260d33d76e253e3a36fbb9a2 Mon Sep 17 00:00:00 2001
From: Daniel <dl3g19@soton.ac.uk>
Date: Wed, 21 Apr 2021 22:22:47 +0100
Subject: [PATCH] Operations with client work, now need to fix rebalancing and
multiple Dstores
---
AllStar.txt | 68 +++
ClientMain.class | Bin 0 -> 3291 bytes
ClientMain.java | 18 +-
Controller$1AcksReceived.class | Bin 0 -> 562 bytes
Controller$IndexEntry.class | Bin 2393 -> 2012 bytes
Controller$RebalanceThread.class | Bin 0 -> 890 bytes
Controller$Reloader.class | Bin 389 -> 436 bytes
Controller.class | Bin 10895 -> 14191 bytes
Controller.java | 699 +++++++++++++++++--------------
Dstore.class | Bin 8724 -> 10024 bytes
Dstore.java | 76 ++--
DstoreConnection.class | Bin 1529 -> 2519 bytes
DstoreConnection.java | 40 +-
Grandad.txt | 14 +
PumpkinHill.txt | 68 +++
SnowHalation.txt | 36 ++
Unknown.txt | 74 ++++
client_1618914098636.log | 1 +
client_1618914115362.log | 19 +
client_1618916214881.log | 19 +
client_1618917382748.log | 19 +
client_1618917653577.log | 16 +
client_1618917705050.log | 16 +
client_1618918167755.log | 16 +
client_1618918283040.log | 10 +
client_1618918339157.log | 10 +
client_1618918660778.log | 19 +
client_1618919054780.log | 19 +
client_1618919710976.log | 19 +
client_1618922219091.log | 16 +
client_1619002254815.log | 16 +
client_1619002688932.log | 18 +
client_1619002774548.log | 17 +
client_1619002831484.log | 27 ++
client_1619015946719.log | 57 +++
client_1619016557204.log | 48 +++
client_1619016975115.log | 32 ++
client_1619017037535.log | 48 +++
client_1619017290151.log | 57 +++
client_1619017624104.log | 48 +++
client_1619018158905.log | 61 +++
client_1619018768533.log | 62 +++
client_1619019036315.log | 65 +++
client_1619019325145.log | 65 +++
client_1619019601175.log | 61 +++
client_1619019802665.log | 65 +++
client_1619025053448.log | 62 +++
client_1619025357100.log | 65 +++
client_1619025636890.log | 62 +++
client_1619025719814.log | 65 +++
client_1619034515898.log | 65 +++
client_1619034593200.log | 41 ++
client_1619036545308.log | 44 ++
client_1619039097527.log | 26 ++
client_1619039957471.log | 26 ++
downloads/AllStar.txt | 68 +++
downloads/Unknown.txt | 74 ++++
57 files changed, 2283 insertions(+), 354 deletions(-)
create mode 100644 AllStar.txt
create mode 100644 ClientMain.class
create mode 100644 Controller$1AcksReceived.class
create mode 100644 Controller$RebalanceThread.class
create mode 100644 Grandad.txt
create mode 100644 PumpkinHill.txt
create mode 100644 SnowHalation.txt
create mode 100644 Unknown.txt
create mode 100644 client_1618914098636.log
create mode 100644 client_1618914115362.log
create mode 100644 client_1618916214881.log
create mode 100644 client_1618917382748.log
create mode 100644 client_1618917653577.log
create mode 100644 client_1618917705050.log
create mode 100644 client_1618918167755.log
create mode 100644 client_1618918283040.log
create mode 100644 client_1618918339157.log
create mode 100644 client_1618918660778.log
create mode 100644 client_1618919054780.log
create mode 100644 client_1618919710976.log
create mode 100644 client_1618922219091.log
create mode 100644 client_1619002254815.log
create mode 100644 client_1619002688932.log
create mode 100644 client_1619002774548.log
create mode 100644 client_1619002831484.log
create mode 100644 client_1619015946719.log
create mode 100644 client_1619016557204.log
create mode 100644 client_1619016975115.log
create mode 100644 client_1619017037535.log
create mode 100644 client_1619017290151.log
create mode 100644 client_1619017624104.log
create mode 100644 client_1619018158905.log
create mode 100644 client_1619018768533.log
create mode 100644 client_1619019036315.log
create mode 100644 client_1619019325145.log
create mode 100644 client_1619019601175.log
create mode 100644 client_1619019802665.log
create mode 100644 client_1619025053448.log
create mode 100644 client_1619025357100.log
create mode 100644 client_1619025636890.log
create mode 100644 client_1619025719814.log
create mode 100644 client_1619034515898.log
create mode 100644 client_1619034593200.log
create mode 100644 client_1619036545308.log
create mode 100644 client_1619039097527.log
create mode 100644 client_1619039957471.log
create mode 100644 downloads/AllStar.txt
create mode 100644 downloads/Unknown.txt
diff --git a/AllStar.txt b/AllStar.txt
new file mode 100644
index 0000000..26e7fef
--- /dev/null
+++ b/AllStar.txt
@@ -0,0 +1,68 @@
+Somebody once told me the world is gonna roll me
+I ain't the sharpest tool in the shed
+She was looking kind of dumb with her finger and her thumb
+In the shape of an "L" on her forehead
+
+Well, the years start coming and they don't stop coming
+Fed to the rules and I hit the ground running
+Didn't make sense not to live for fun
+Your brain gets smart but your head gets dumb
+
+So much to do, so much to see
+So what's wrong with taking the back streets?
+You'll never know if you don't go
+You'll never shine if you don't glow
+
+Hey, now, you're an all-star, get your game on, go play
+Hey, now, you're a rock star, get the show on, get paid
+And all that glitters is gold
+Only shooting stars break the mold
+
+It's a cool place and they say it gets colder
+You're bundled up now wait 'til you get older
+But the meteor men beg to differ
+Judging by the hole in the satellite picture
+
+The ice we skate is getting pretty thin
+The water's getting warm so you might as well swim
+My world's on fire. How about yours?
+That's the way I like it and I'll never get bored
+
+Hey, now, you're an all-star, get your game on, go play
+Hey, now, you're a rock star, get the show on, get paid
+And all that glitters is gold
+Only shooting stars break the mold
+
+Go for the moon
+Go for the moon
+Go for the moon
+Go for the moon
+
+Hey, now, you're an all-star, get your game on, go play
+Hey, now, you're a rock star, get the show on, get paid
+And all that glitters is gold
+Only shooting stars
+
+Somebody once asked could I spare some change for gas
+I need to get myself away from this place
+I said yep, what a concept
+I could use a little fuel myself
+And we could all use a little change
+
+Well, the years start coming and they don't stop coming
+Fed to the rules and I hit the ground running
+Didn't make sense not to live for fun
+Your brain gets smart but your head gets dumb
+
+So much to do, so much to see
+So what's wrong with taking the back streets?
+You'll never know if you don't go
+You'll never shine if you don't glow
+
+Hey, now, you're an all star, get your game on, go play
+Hey, now, you're a rock star, get the show on, get paid
+And all that glitters is gold
+Only shooting stars break the mold
+
+And all that glitters is gold
+Only shooting stars break the mold
diff --git a/ClientMain.class b/ClientMain.class
new file mode 100644
index 0000000000000000000000000000000000000000..6bfec562108a26e9f8065e1feb16b11e6c7d8ab8
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diff --git a/ClientMain.java b/ClientMain.java
index 10a4789..e9fd2c5 100644
--- a/ClientMain.java
+++ b/ClientMain.java
@@ -42,26 +42,36 @@ public class ClientMain {
try { client.connect(); } catch(IOException e) { e.printStackTrace(); return; }
+ String[] files = {"AllStar.txt", "Unknown.txt", "PumpkinHill.txt", "SnowHalation.txt", "Grandad.txt"};
+
+ for(String file : files) {
+ try { client.store(new File(file)); } catch(IOException e) { e.printStackTrace(); }
+ }
+
+ /*
+
try { list(client); } catch(IOException e) { e.printStackTrace(); }
- try { client.store(new File("Clipboard01.pdf")); } catch(IOException e) { e.printStackTrace(); }
+ try { client.store(new File("AllStar.txt")); } catch(IOException e) { e.printStackTrace(); }
- try { client.store(new File("Clipboard01.pdf")); } catch(IOException e) { e.printStackTrace(); }
+ try { client.store(new File("AllStar.txt")); } catch(IOException e) { e.printStackTrace(); }
- try { client.store(new File("Clipboard01.jpg")); } catch(IOException e) { e.printStackTrace(); }
+ try { client.store(new File("Unknown.txt")); } catch(IOException e) { e.printStackTrace(); }
+ */
String list[] = null;
try { list = list(client); } catch(IOException e) { e.printStackTrace(); }
if (list != null)
for (String filename : list)
try { client.load(filename, downloadFolder); } catch(IOException e) { e.printStackTrace(); }
-
+ /*
if (list != null)
for (String filename : list)
try { client.remove(filename); } catch(IOException e) { e.printStackTrace(); }
try { list(client); } catch(IOException e) { e.printStackTrace(); }
+ */
} finally {
if (client != null)
diff --git a/Controller$1AcksReceived.class b/Controller$1AcksReceived.class
new file mode 100644
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GIT binary patch
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diff --git a/Controller$IndexEntry.class b/Controller$IndexEntry.class
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diff --git a/Controller$RebalanceThread.class b/Controller$RebalanceThread.class
new file mode 100644
index 0000000000000000000000000000000000000000..baac4d023e6eb8665bfeee1db52922e76ee0bdf7
GIT binary patch
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diff --git a/Controller$Reloader.class b/Controller$Reloader.class
index 1778f421b3e1ecd1109fa137402893ab772a7d5e..5f060a69a794d4dab23d304ce135ebe0440721fd 100644
GIT binary patch
delta 197
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delta 151
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Ay8r+H
diff --git a/Controller.class b/Controller.class
index 86c939b219a47dffd1fcd6905d10b5000029bee8..a6268bbbbd9df3b25bba137bd95105e820efe4aa 100644
GIT binary patch
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diff --git a/Controller.java b/Controller.java
index 12eb9b8..611fb5d 100644
--- a/Controller.java
+++ b/Controller.java
@@ -21,16 +21,12 @@ public class Controller {
protected List<Integer> storedBy;
protected int numberToStore;
protected String status;
- protected Object storeAckLock;
- protected List<Reloader> clientLoadList;
public IndexEntry() {
filesize = -1;
storedBy = Collections.synchronizedList(new ArrayList<Integer>());
numberToStore = 0;
status = "store in progress";
- storeAckLock = new Object();
- clientLoadList = new ArrayList<Reloader>();
}
public synchronized void setFilesize(int filesize) {
@@ -41,24 +37,24 @@ public class Controller {
return filesize;
}
- public void addStoredBy(int dstore) {
+ public synchronized void addStoredBy(int dstore) {
storedBy.add(Integer.valueOf(dstore));
- if(storedBy.size() == numberToStore) storeAckLock.notify();
+ if(storedBy.size() >= numberToStore) notifyAll();
}
- public void addStoredBy(List<Integer> dstores) {
+ public synchronized void addStoredBy(List<Integer> dstores) {
storedBy.addAll(dstores);
- if(storedBy.size() == numberToStore) storeAckLock.notify();
+ if(storedBy.size() >= numberToStore) notifyAll();
}
- public void removeStoredBy(int dstore) {
+ public synchronized void removeStoredBy(int dstore) {
storedBy.remove(Integer.valueOf(dstore));
- if(storedBy.size() == 0) storeAckLock.notify();
+ if(storedBy.isEmpty()) notifyAll();
}
- public void removeStoredBy(List<Integer> dstores) {
+ public synchronized void removeStoredBy(List<Integer> dstores) {
storedBy.removeAll(dstores);
- if(storedBy.size() == 0) storeAckLock.notify();
+ if(storedBy.isEmpty()) notifyAll();
}
public List<Integer> getStoredBy() {
@@ -76,26 +72,16 @@ public class Controller {
public synchronized String getStatus() {
return status;
}
-
- public Object getLock() {
- return storeAckLock;
- }
-
- public List<Reloader> getLoadList() {
- return clientLoadList;
- }
}
- protected class Reloader {
- public boolean reload;
- public Reloader() {
- reload = false;
- }
+ protected class Reloader extends ArrayList<Integer> {
+ public int filesize;
}
protected Map<Integer,DstoreConnection> dstores;
- protected Map<Integer,String[]> rebalanceMessages;
+ protected Map<Integer,List<String>> rebalanceMessages;
protected Map<String,IndexEntry> index;
+ protected Map<Socket,Reloader> loadRequests;
public Controller(int cport, int rFactor, int timeout, int rebalancePeriod) {
this.cport = cport;
@@ -103,7 +89,8 @@ public class Controller {
this.timeout = timeout;
this.rebalancePeriod = rebalancePeriod;
dstores = Collections.synchronizedMap(new HashMap<Integer,DstoreConnection>());
- index = new HashMap<String,IndexEntry>();
+ index = Collections.synchronizedMap(new HashMap<String,IndexEntry>());
+ loadRequests = Collections.synchronizedMap(new HashMap<Socket,Reloader>());
}
public static void main(String[] args) {
@@ -136,22 +123,44 @@ public class Controller {
public void start() {
try {
+ Thread rebalanceThread = new Thread(new RebalanceThread());
+ rebalanceThread.start();
+
ServerSocket server = new ServerSocket(cport);
while(true) {
try {
Socket client = server.accept();
BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
String[] message = in.readLine().split(" ");
- if(dstores.size() < rFactor && !message[0].equals("JOIN")) {
- PrintWriter out = new PrintWriter(client.getOutputStream());
- out.println("ERROR");
- out.flush();
- out.close();
+ if(message[0].equals("JOIN")) {
+ dstores.put(Integer.parseInt(message[1]), new DstoreConnection(client));
+ System.out.println("Dstore at " + message[1] + " joined");
+ try {rebalanceThread.interrupt();} catch(SecurityException e) {e.printStackTrace();}
}
else {
- handleMessage(message, client);
+ System.out.println("A new client has joined");
+ new Thread(() -> {
+ try {
+ handleMessage(message, client);
+ }
+ catch(Exception e) {
+ e.printStackTrace();
+ }
+
+ while(!client.isClosed()) {
+ try {
+ String clientMessage = in.readLine();
+ if(clientMessage != null) {
+ handleMessage(clientMessage.split(" "), client);
+ }
+ }
+ catch(Exception e) {
+ e.printStackTrace();
+ }
+ }
+ System.out.println("Client closed");
+ }).start();
}
- in.close();
}
catch(Exception e) {
//Log error
@@ -165,20 +174,36 @@ public class Controller {
}
}
+ protected class RebalanceThread implements Runnable {
+ public void run() {
+ while(true) {
+ try {Thread.sleep(rebalancePeriod);} catch(InterruptedException e) {
+ try {rebalance();} catch(Exception ee) {ee.printStackTrace();}
+ }
+ try {
+ if(dstores.size() >= rFactor) {
+ rebalance();
+ }
+ }
+ catch(Exception e) {e.printStackTrace();}
+ }
+ }
+ }
+
void handleMessage(String[] message, Socket client) throws Exception {
- if(message[0].equals("JOIN")) {
- dstores.put(Integer.parseInt(message[1]), new DstoreConnection(client));
- System.out.println("Dstore at " + message[1] + " joined");
- rebalance();
+ if(dstores.size() < rFactor) {
+ PrintWriter out = new PrintWriter(client.getOutputStream());
+ out.println("ERROR_NOT_ENOUGH_DSTORES");
+ out.flush();
}
else if(message[0].equals("STORE")) {
- store(client, message[1]);
+ store(client, message[1], message[2]);
}
else if(message[0].equals("LOAD")) {
load(client, message[1]);
}
else if(message[0].equals("RELOAD")) {
- reload(message[1]);
+ sendLoadFrom(client, message[1]);
}
else if(message[0].equals("REMOVE")) {
remove(client, message[1]);
@@ -191,43 +216,52 @@ public class Controller {
}
}
- void store(Socket client, String filename) throws Exception {
- new Thread(() -> {
- try {
- if(index.containsKey(filename)) {
- PrintWriter out = new PrintWriter(client.getOutputStream());
- out.println("ERROR ALREADY_EXISTS " + filename);
- out.flush();
- out.close();
- return;
- }
-
- //Update index to "store in progress"
- IndexEntry entry = new IndexEntry();
- index.put(filename, entry);
-
- //Select Dstores
- int[] storesToStore = new int[rFactor];
- synchronized(dstores) {
- Iterator<Integer> it = dstores.keySet().iterator();
- for(int i=0; i<rFactor; i++) {
- Integer thisStore = it.next();
- storesToStore[i] = thisStore.intValue();
- }
- }
- entry.setNumberToStore(rFactor);
-
- //Send STORE_TO message
+ void store(Socket client, String filename, String filesizeString) throws Exception {
+ int filesize = -1;
+ try {
+ filesize = Integer.parseInt(filesizeString);
+ if(filesize < 1) {
+ //Log error
+ }
+ }
+ catch(NumberFormatException e) {
+ //Log error
+ }
+
+ try {
+ if(index.containsKey(filename)) {
PrintWriter out = new PrintWriter(client.getOutputStream());
- out.println("STORE_TO");
+ out.println("ERROR_FILE_ALREADY_EXISTS " + filename);
out.flush();
- for(int port : storesToStore) {
- out.println(" " + port);
- new Thread(() -> {
- String[] message = dstores.get(Integer.valueOf(port)).receive().split(" ");
- if(message[0].equals("STORE_ACK")) {
+ return;
+ }
+
+ //Update index to "store in progress"
+ IndexEntry entry = new IndexEntry();
+ index.put(filename, entry);
+ entry.setFilesize(filesize);
+
+ //Select Dstores
+ Integer[] storesToStore = new Integer[rFactor];
+ synchronized(dstores) {
+ Iterator<Integer> it = dstores.keySet().iterator();
+ for(int i=0; i<rFactor; i++) {
+ storesToStore[i] = it.next();
+ }
+ }
+ entry.setNumberToStore(rFactor);
+
+ //Send STORE_TO message
+ PrintWriter out = new PrintWriter(client.getOutputStream());
+ String message = "STORE_TO";
+ for(Integer thisStore : storesToStore) {
+ message = message + " " + thisStore.intValue();
+ new Thread(() -> {
+ try {
+ String[] receivedMessage = dstores.get(thisStore).receive().split(" ");
+ if(receivedMessage[0].equals("STORE_ACK")) {
try {
- storeAck(Integer.valueOf(port), message[1]);
+ storeAck(thisStore, receivedMessage[1]);
}
catch(Exception e) {
//Log error
@@ -236,33 +270,39 @@ public class Controller {
else {
//Log error
}
- }).start();
- }
-
- //Wait for STORE_ACKs from datastores in storesToStore
+ }
+ catch(NullPointerException e) {
+ removeDstore(thisStore);
+ }
+ }).start();
+ }
+ out.println(message);
+ out.flush();
+
+ //Wait for STORE_ACKs from datastores in storesToStore
+ synchronized(entry) {
try {
- entry.getLock().wait(timeout);
+ entry.wait(timeout);
}
catch(InterruptedException e) {
e.printStackTrace();
}
-
- if(entry.getStoredBy().size() < rFactor) {
- //Log error
- }
-
- //Update index to "store complete"
- entry.status = "store complete";
-
- //Send STORE_COMPLETE message
- out.println("STORE_COMPLETE");
- out.flush();
- out.close();
}
- catch(IOException e) {
- e.printStackTrace();
+
+ if(entry.getStoredBy().size() < rFactor) {
+ //Log error
}
- }).start();
+
+ //Update index to "store complete"
+ entry.status = "store complete";
+
+ //Send STORE_COMPLETE message
+ out.println("STORE_COMPLETE");
+ out.flush();
+ }
+ catch(IOException e) {
+ e.printStackTrace();
+ }
}
void storeAck(Integer port, String filename) throws Exception {
@@ -276,293 +316,322 @@ public class Controller {
}
void load(Socket client, String filename) throws Exception {
- new Thread(() -> {
- try {
- if(!index.containsKey(filename)) {
- PrintWriter out = new PrintWriter(client.getOutputStream());
- out.println("ERROR DOES_NOT_EXIST");
- out.flush();
- out.close();
- return;
- }
-
- //Select a Dstore which contains the file
- IndexEntry thisEntry = index.get(filename);
- int thisStore = thisEntry.storedBy.get(0).intValue();
- int thisSize = thisEntry.filesize;
-
- //Send LOAD_FROM message
+ try {
+ if(!index.containsKey(filename)) {
PrintWriter out = new PrintWriter(client.getOutputStream());
- out.println("LOAD_FROM " + thisStore + " " + thisSize);
+ out.println("ERROR DOES_NOT_EXIST");
out.flush();
-
- Reloader reloadLock = new Reloader();
- thisEntry.getLoadList().add(reloadLock);
- int trials = 0;
- while(true) {
- try {
- reloadLock.wait(10 * timeout);
- }
- catch(InterruptedException e) {
- e.printStackTrace();
- }
- trials ++;
- if(trials >= rFactor || !reloadLock.reload) break;
- out.println("LOAD_FROM " + thisEntry.storedBy.get(trials).intValue() + " " + thisSize);
- out.flush();
- reloadLock.reload = false;
- }
-
- thisEntry.getLoadList().remove(reloadLock);
- if(trials >= rFactor && reloadLock.reload) {
- out.println("ERROR LOAD");
- out.flush();
- }
-
- out.close();
+ return;
}
- catch(IOException e) {
- e.printStackTrace();
+
+ //Select a Dstore which contains the file
+ IndexEntry thisEntry = index.get(filename);
+ Reloader storedBy = new Reloader();
+ storedBy.filesize = thisEntry.getFilesize();
+ Iterator<Integer> it = thisEntry.getStoredBy().iterator();
+ while(it.hasNext()) {
+ Integer d = it.next();
+ storedBy.add(d);
+ System.out.println("Dstore " + d + " added to load list");
}
- }).start();
+ loadRequests.put(client,storedBy);
+
+ //Send LOAD_FROM message
+ sendLoadFrom(client, filename);
+ }
+ catch(IOException e) {
+ e.printStackTrace();
+ }
}
- void reload(String filename) {
- new Thread(() -> {
- for(Reloader r : index.get(filename).getLoadList()) {
- r.reload = true;
- r.notify();
+ void sendLoadFrom(Socket client, String filename) {
+ try {
+ PrintWriter out = new PrintWriter(client.getOutputStream());
+ Reloader storedBy = loadRequests.get(client);
+ System.out.println("Load requested for file " + filename + ", there are " + storedBy.size() + " dstores to select from");
+ if(storedBy.isEmpty()) {
+ out.println("ERROR_LOAD");
}
- }).start();
+ else {
+ Integer thisStore = storedBy.get(0);
+ storedBy.remove(thisStore);
+ out.println("LOAD_FROM " + thisStore + " " + storedBy.filesize);
+ }
+ out.flush();
+ }
+ catch(IOException e) {
+ e.printStackTrace();
+ }
}
void remove(Socket client, String filename) throws Exception {
- new Thread(() -> {
- try {
- if(!index.containsKey(filename)) {
- PrintWriter clientOut = new PrintWriter(client.getOutputStream());
- clientOut.println("ERROR DOES_NOT_EXIST");
- clientOut.flush();
- clientOut.close();
- return;
- }
-
- //Update index to "remove in progress"
- IndexEntry entry = index.get(filename);
- entry.status = "remove in progress";
-
- //Send REMOVE message to all Dstores storing the file
- for(Integer dstore : entry.getStoredBy()) {
- new Thread(() -> {
- String[] message = dstores.get(dstore).sendAndReceive("REMOVE").split(" ");
+ try {
+ if(!index.containsKey(filename)) {
+ PrintWriter clientOut = new PrintWriter(client.getOutputStream());
+ clientOut.println("ERROR DOES_NOT_EXIST");
+ clientOut.flush();
+ return;
+ }
+
+ //Update index to "remove in progress"
+ IndexEntry entry = index.get(filename);
+ entry.status = "remove in progress";
+
+ //Send REMOVE message to all Dstores storing the file
+ for(Integer dstore : entry.getStoredBy()) {
+ new Thread(() -> {
+ try {
+ String[] message = dstores.get(dstore).sendAndReceive("REMOVE " + filename).split(" ");
if(message[0].equals("REMOVE_ACK") && message[1].equals(filename)) {
entry.removeStoredBy(dstore.intValue());
}
else {
//Log error
}
- }).start();
- }
-
- //Wait for REMOVE_ACKs from all Dstores which were sent the REMOVE message
+ }
+ catch(NullPointerException e) {
+ removeDstore(dstore);
+ }
+ }).start();
+ }
+
+ //Wait for REMOVE_ACKs from all Dstores which were sent the REMOVE message
+ synchronized(entry) {
try {
- entry.getLock().wait(timeout);
+ entry.wait(timeout);
}
catch(InterruptedException e) {
e.printStackTrace();
}
-
- if(entry.getStoredBy().size() > 0) {
- //Log error
- }
-
- //Update index to "remove complete"
- entry.status = "remove complete";
-
- //Send REMOVE_COMPLETE to client
- PrintWriter clientOut = new PrintWriter(client.getOutputStream());
- clientOut.println("REMOVE_COMPLETE");
- clientOut.flush();
- clientOut.close();
}
- catch(IOException e) {
- e.printStackTrace();
+
+ if(entry.getStoredBy().size() > 0) {
+ //Log error
}
- }).start();
+
+ //Update index to "remove complete"
+ entry.status = "remove complete";
+ index.remove(filename);
+
+ //Send REMOVE_COMPLETE to client
+ PrintWriter clientOut = new PrintWriter(client.getOutputStream());
+ clientOut.println("REMOVE_COMPLETE");
+ clientOut.flush();
+ }
+ catch(IOException e) {
+ e.printStackTrace();
+ }
}
void list(Socket client) throws Exception {
- new Thread(() -> {
- try {
- //Send file list to client
- PrintWriter out = new PrintWriter(client.getOutputStream());
- for(String name : index.keySet()) {
- out.println(name);
- }
- out.flush();
- out.close();
- }
- catch(IOException e) {
- e.printStackTrace();
+ try {
+ System.out.println("Fetching list...");
+ //Send file list to client
+ String message = "LIST ";
+ for(String name : index.keySet()) {
+ message = message + name + " ";
}
- }).start();
+ PrintWriter out = new PrintWriter(client.getOutputStream());
+ System.out.println("Sending...");
+ out.println(message.trim());
+ out.flush();
+ }
+ catch(IOException e) {
+ e.printStackTrace();
+ }
}
void rebalance() throws Exception {
- new Thread(() -> {
- if(rebalanceMessages != null) return;
- Map<Integer,List<String>> dstoreFiles = new HashMap<Integer,List<String>>();
- synchronized(dstoreFiles) {
- rebalanceMessages = dstoreFiles;
- try {
- //Send LIST message to each Dstore and receive their file list
- for(Integer dstore : dstores.keySet()) {
- dstoreFiles.put(dstore, new ArrayList<String>());
-
- new Thread(() -> {
+ if(rebalanceMessages != null) return;
+ Map<Integer,List<String>> dstoreFiles = new HashMap<Integer,List<String>>();
+ synchronized(dstoreFiles) {
+ rebalanceMessages = dstoreFiles;
+ try {
+ //Send LIST message to each Dstore and receive their file list
+ for(Integer dstore : dstores.keySet()) {
+ dstoreFiles.put(dstore, new ArrayList<String>());
+
+ new Thread(() -> {
+ try {
String[] message = dstores.get(dstore).sendAndReceive("LIST").split(" ");
receiveDstoreList(dstore.intValue(), message);
- }).start();
- }
-
- dstoreFiles.wait(timeout);
- if(dstoreFiles.size() < dstores.size()) {
- //Log error
- }
-
- //Create a new file allocation so that:
- //Each file appears rFactor times
- //Each file appears at most once on each datastore
- //Files are evenly distributed (Dstores differ in capacity by at most 1, no 2 datastores have identical file lists)
- List<Integer> storeOrder = reshuffle(dstoreFiles.keySet());
- List<String> fileList = new ArrayList<String>();
- for(Integer i : reshuffle(dstoreFiles.keySet())) {
- for(String s : dstoreFiles.get(i)) {
- if(!fileList.contains(s)) {
- fileList.add(s);
- }
+ }
+ catch(NullPointerException e) {
+ removeDstore(dstore);
+ }
+ }).start();
+ }
+
+ dstoreFiles.wait(timeout);
+ if(dstoreFiles.size() < dstores.size()) {
+ //Log error
+ }
+
+ //Create a new file allocation so that:
+ //Each file appears rFactor times
+ //Each file appears at most once on each datastore
+ //Files are evenly distributed (Dstores differ in capacity by at most 1, no 2 datastores have identical file lists)
+ List<Integer> storeOrder = reshuffle(dstoreFiles.keySet());
+ List<String> fileList = new ArrayList<String>();
+ for(Integer i : reshuffle(dstoreFiles.keySet())) {
+ for(String s : dstoreFiles.get(i)) {
+ if(!fileList.contains(s)) {
+ fileList.add(s);
}
}
-
- Map<Integer,List<String>> requireIndex = new HashMap<Integer,List<String>>();
- Map<Integer,List<String>> removeIndex = new HashMap<Integer,List<String>>();
- int pos = 0;
- int storeSize = (int) Math.ceil((fileList.size() * rFactor) / dstores.size());
- for(Integer i : dstoreFiles.keySet()) {
- requireIndex.put(i, new ArrayList<String>());
- removeIndex.put(i, new ArrayList<String>());
- }
- Iterator<Integer> it;
- for(String file : fileList) {
- for(int j=0; j<rFactor; j++) {
- if(it == null || !it.hasNext()) {
- it = dstoreFiles.keySet().iterator();
- }
- //If indexed dstore does not have the file, add it to its requireIndex entry
- Integer thisStore = it.next();
- if(!dstoreFiles.get(thisStore).contains(file)) {
- requireIndex.get(thisStore).add(file);
- }
+ }
+
+ Map<Integer,List<String>> requireIndex = new HashMap<Integer,List<String>>();
+ Map<Integer,List<String>> removeIndex = new HashMap<Integer,List<String>>();
+ int pos = 0;
+ int storeSize = (int) Math.ceil((fileList.size() * rFactor) / dstores.size());
+ for(Integer i : dstoreFiles.keySet()) {
+ requireIndex.put(i, new ArrayList<String>());
+ removeIndex.put(i, new ArrayList<String>());
+ }
+ Iterator<Integer> it = null;
+ for(String file : fileList) {
+ for(int j=0; j<rFactor; j++) {
+ if(it == null || !it.hasNext()) {
+ it = dstoreFiles.keySet().iterator();
}
- //Dstores not chosen in the above loop must have an entry added to removeIndex, if they have the file
- for(int j=0; j<(requireIndex.size() - rFactor); j++) {
- if(it == null || !it.hasNext()) {
- it = dstoreFiles.keySet().iterator();
- }
-
- Integer thisStore = it.next();
- if(dstoreFiles.get(thisStore).contains(file)) {
- removeIndex.get(thisStore).add(file);
- }
+ //If indexed dstore does not have the file, add it to its requireIndex entry
+ Integer thisStore = it.next();
+ if(!dstoreFiles.get(thisStore).contains(file)) {
+ requireIndex.get(thisStore).add(file);
}
}
-
- Integer acksReceived = new Integer(0);
- for(Integer thisStore : storeOrder) {
- List<String> sendMessages = new ArrayList<String>();
- for(String file : dstoreFiles.get(thisStore)) {
- if(isEmptyListMap(requiredFiles)) break;
-
- String fileMessage = "";
- for(Integer otherStore : requiredFiles.keySet()) {
- if(thisStore.equals(otherStore)) continue;
- for(String otherFile : requiredFiles.get(otherStore)) {
- if(file.equals(otherFile)) {
- requiredFiles.get(otherStore).remove(otherFile);
- fileMessage = fileMessage + " " + otherStore.toString();
- break;
- }
- }
- }
- fileMessage = file + " " + (fileMessage.trim().split(" ").length) + fileMessage;
- sendMessages.add(fileMessage);
+ //Dstores not chosen in the above loop must have an entry added to removeIndex, if they have the file
+ for(int j=0; j<(requireIndex.size() - rFactor); j++) {
+ if(it == null || !it.hasNext()) {
+ it = dstoreFiles.keySet().iterator();
}
- String message = "REBALANCE " + sendMessages.size();
- for(String s : sendMessages) {
- message = message + " " + s;
- }
- message = message + " " + removeIndex.get(thisStore).size();
- for(String f : removeIndex.get(thisStore)) {
- message = message + " " + f;
+ Integer thisStore = it.next();
+ if(dstoreFiles.get(thisStore).contains(file)) {
+ removeIndex.get(thisStore).add(file);
}
+ }
+ }
+
+ class AcksReceived {
+ int value;
+ public AcksReceived() {
+ value = 0;
+ }
+ public void incr() {
+ value ++;
+ }
+ public int getValue() {
+ return value;
+ }
+ }
+ AcksReceived acksReceived = new AcksReceived();
+ for(Integer thisStore : storeOrder) {
+ List<String> sendMessages = new ArrayList<String>();
+ for(String file : dstoreFiles.get(thisStore)) {
+ if(isEmptyListMap(requireIndex)) break;
- //Send message to the Dstore
- new Thread(() -> {
- String returnMessage = dstores.get(thisStore).sendAndReceive(message);
+ String fileMessage = "";
+ for(Integer otherStore : requireIndex.keySet()) {
+ if(thisStore.equals(otherStore)) continue;
+ for(String otherFile : requireIndex.get(otherStore)) {
+ if(file.equals(otherFile)) {
+ requireIndex.get(otherStore).remove(otherFile);
+ fileMessage = fileMessage + " " + otherStore.toString();
+ break;
+ }
+ }
+ }
+ fileMessage = file + " " + (fileMessage.trim().split(" ").length) + fileMessage;
+ sendMessages.add(fileMessage);
+ }
+
+ String message = "REBALANCE " + sendMessages.size();
+ for(String s : sendMessages) {
+ message = message + " " + s;
+ }
+ message = message + " " + removeIndex.get(thisStore).size();
+ for(String f : removeIndex.get(thisStore)) {
+ message = message + " " + f;
+ }
+
+ //Send message to the Dstore
+ String finalMessage = message;
+ new Thread(() -> {
+ try {
+ String returnMessage = dstores.get(thisStore).sendAndReceive(finalMessage);
if(!returnMessage.equals("REBALANCE_COMPLETE")) {
//Log error
}
synchronized(acksReceived) {
- acksReceived += 1;
- if(acksReceived.intValue() == storeOrder.size()) {
+ acksReceived.incr();
+ if(acksReceived.getValue() == storeOrder.size()) {
acksReceived.notifyAll();
}
}
- }).start();
- }
-
- //Wait for REBALANCE_COMPLETE from all Dstores
- synchronized(acksReceived) {
- try {
- acksReceived.wait(timeout);
- if(acksReceived.intValue < storeOrder.size()) {
- //Restart rebalance operation
- }
}
- catch(InterruptedException e) {
- e.printStackTrace();
+ catch(NullPointerException e) {
+ removeDstore(thisStore);
}
- }
- }
- catch(Exception e) {
- e.printStackTrace();
+ }).start();
}
- finally {
- rebalanceMessages = null;
+
+ //Wait for REBALANCE_COMPLETE from all Dstores
+ synchronized(acksReceived) {
+ try {
+ System.out.println("Waiting for REBALANCE_COMPLETE...");
+ acksReceived.wait(timeout);
+ if(acksReceived.getValue() < storeOrder.size()) {
+ //Restart rebalance operation
+ }
+ }
+ catch(InterruptedException e) {
+ e.printStackTrace();
+ }
}
}
- }).start();
+ catch(Exception e) {
+ e.printStackTrace();
+ }
+ finally {
+ rebalanceMessages = null;
+ }
+ }
}
void receiveDstoreList(int port, String[] list) {
if(rebalanceMessages == null) return;
- for(String file : list) {
- if(!index.containsKey(file)) {
- //Log error
- return; //Throw exception?
+ List<String> toList = new ArrayList<String>();
+ if(!list[0].equals("ERROR_EMPTY")) {
+ for(String file : list) {
+ if(!index.containsKey(file)) {
+ //Log error
+ //return; //Throw exception?
+ //Ignore those, there might be new resources a joining Dstore wants to contribute
+ //Then again, there might be malformed messages. Think about this.
+ }
+ toList.add(file);
}
}
synchronized(rebalanceMessages) {
- rebalanceMessages.put(port, list);
+ rebalanceMessages.put(port, toList);
if(rebalanceMessages.size() == dstores.size()) {
rebalanceMessages.notify();
}
}
}
+ void removeDstore(Integer dstore) {
+ dstores.remove(dstore);
+ Iterator<IndexEntry> it = index.values().iterator();
+ while(it.hasNext()) {
+ it.next().removeStoredBy(dstore);
+ }
+ }
+
List<Integer> reshuffle(Collection<Integer> col) {
List<Integer> list = new ArrayList<Integer>();
for(Integer i : col) {
@@ -571,8 +640,8 @@ public class Controller {
return list;
}
- boolean isEmptyListMap(Map<T,List<U>> map) {
- for(List<U> list : map.entrySet()) {
+ <T,U> boolean isEmptyListMap(Map<T,List<U>> map) {
+ for(List<U> list : map.values()) {
if(!list.isEmpty()) {
return false;
}
diff --git a/Dstore.class b/Dstore.class
index f175e51d292f7e107fa06774569a117094b0ff31..d50e2886a2e23df4396911799fb8df9675121560 100644
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e6fijrOwIt4vl!<vFfed2Ffz_%oX@zBK@tGp!H&HE
diff --git a/Dstore.java b/Dstore.java
index 018a925..3fd7352 100644
--- a/Dstore.java
+++ b/Dstore.java
@@ -12,17 +12,27 @@ public class Dstore {
protected int port; //Port to listen on
protected int cport; //Controller's port to talk to
protected int timeout; //in milliseconds
- protected String fileFolder; //Where to store the data locally
+ protected File fileFolder; //Where to store the data locally
protected Map<String,Integer> fileSizes;
+ protected Socket controllerSocket;
protected BufferedReader controllerIn;
protected PrintWriter controllerOut;
- public Dstore(int port, int cport, int timeout, String fileFolder) {
+ public Dstore(int port, int cport, int timeout, String fileFolderName) throws Exception {
this.port = port;
this.cport = cport;
this.timeout = timeout;
- this.fileFolder = fileFolder;
+
+ fileFolder = new File(fileFolderName);
+ if(fileFolder.exists() && !fileFolder.isDirectory()) {
+ throw new Exception("Folder name provided exists as a file and not a directory");
+ }
+ else if(!fileFolder.exists()) {
+ System.out.println("New folder will be created");
+ if(!fileFolder.mkdir()) throw new Exception("Folder could not be created");
+ }
+
fileSizes = new HashMap<String,Integer>();
}
@@ -56,9 +66,9 @@ public class Dstore {
public void start() {
try {
- Socket socket = new Socket(InetAddress.getLocalHost(), cport);
- controllerIn = new BufferedReader(new InputStreamReader(socket.getInputStream()));
- controllerOut = new PrintWriter(socket.getOutputStream());
+ controllerSocket = new Socket(InetAddress.getLocalHost(), cport);
+ controllerIn = new BufferedReader(new InputStreamReader(controllerSocket.getInputStream()));
+ controllerOut = new PrintWriter(controllerSocket.getOutputStream());
controllerOut.println("JOIN " + port);
controllerOut.flush();
@@ -67,7 +77,7 @@ public class Dstore {
try {
String message = controllerIn.readLine();
if(message != null) {
- handleMessage(message.split(" "), socket, controllerIn);
+ handleMessage(message.split(" "), controllerSocket);
}
}
catch(Exception e) {
@@ -83,8 +93,7 @@ public class Dstore {
Socket client = server.accept();
BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
String[] message = in.readLine().split(" ");
- handleMessage(message, client, in);
- in.close();
+ handleMessage(message, client);
}
catch(Exception e) {
//Log error
@@ -97,9 +106,9 @@ public class Dstore {
}
}
- void handleMessage(String[] message, Socket client, BufferedReader clientIn) throws Exception {
+ void handleMessage(String[] message, Socket client) throws Exception {
if(message[0].equals("STORE")) {
- store(client, message[1], Integer.parseInt(message[2]), clientIn);
+ store(client, message[1], Integer.parseInt(message[2]));
}
else if(message[0].equals("LOAD_DATA")) {
load(client, message[1]);
@@ -118,16 +127,15 @@ public class Dstore {
}
}
- void store(Socket client, String filename, int filesize, BufferedReader in) throws Exception {
+ void store(Socket client, String filename, int filesize) throws Exception {
new Thread(() -> {
try {
//Send ACK message to client
PrintWriter out = new PrintWriter(client.getOutputStream());
out.println("ACK");
out.flush();
- out.close();
- FileOutputStream writer = new FileOutputStream(fileFolder + "/" + filename, false);
+ FileOutputStream writer = new FileOutputStream(new File(fileFolder, filename), false);
InputStream reader = client.getInputStream();
//Receive + write file content from client
@@ -139,10 +147,8 @@ public class Dstore {
writer.close();
//Send STORE_ACK message to the Controller
- PrintWriter controllerOut = new PrintWriter(new Socket(InetAddress.getLocalHost(), cport).getOutputStream());
controllerOut.println("STORE_ACK " + filename);
controllerOut.flush();
- controllerOut.close();
if(fileSizes.containsKey(filename)) fileSizes.remove(filename);
fileSizes.put(filename, filesize);
@@ -150,6 +156,9 @@ public class Dstore {
catch(IOException e) {
e.printStackTrace();
}
+ finally {
+ try {client.close();} catch(IOException e) {e.printStackTrace();}
+ }
}).start();
}
@@ -160,12 +169,13 @@ public class Dstore {
PrintWriter out = new PrintWriter(client.getOutputStream());
FileInputStream reader;
try {
- reader = new FileInputStream(fileFolder + "/" + filename);
+ reader = new FileInputStream(new File(fileFolder, filename));
}
catch(FileNotFoundException e) {
out.println("ERROR DOES_NOT_EXIST");
out.flush();
out.close();
+ client.close();
return;
}
@@ -183,6 +193,9 @@ public class Dstore {
catch(IOException e) {
e.printStackTrace();
}
+ finally {
+ try {client.close();} catch(IOException e) {e.printStackTrace();}
+ }
}).start();
}
@@ -190,11 +203,11 @@ public class Dstore {
new Thread(() -> {
try {
//Remove the file from fileFolder
- Path path = new File(fileFolder + "/" + filename).toPath();
+ Path path = new File(fileFolder, filename).toPath();
if(Files.deleteIfExists(path)) {
//Send REMOVE_ACK message to client (the controller)
- controllerOut.println("REMOVE_ACK");
+ controllerOut.println("REMOVE_ACK " + filename);
}
else {
//Send DOES NOT EXIST error
@@ -212,20 +225,25 @@ public class Dstore {
void list() throws Exception {
new Thread(() -> {
//Send a list of all files in fileFolder to client (the controller)
- for(File file : new File(fileFolder).listFiles()) {
- controllerOut.println(file.getName());
- controllerOut.flush();
+ String message = "";
+ for(File file : fileFolder.listFiles()) {
+ message = message + " " + file.getName();
}
+ if(message.equals("")) message = "ERROR_EMPTY";
+ controllerOut.println(message.trim());
+ controllerOut.flush();
}).start();
}
void rebalance(String[] message) throws Exception {
+ System.out.println("Rebalance message received");
new Thread(() -> {
//Interpret files to send and files to remove from the message
Map<Integer,List<String>> filesToSend;
String[] filesToRemove;
int index;
+ System.out.println("Interpreting message...");
int numberToSend = Integer.parseInt(message[1]);
index = 2;
filesToSend = new HashMap<Integer,List<String>>();
@@ -252,26 +270,26 @@ public class Dstore {
filesToRemove[k] = message[index];
index++;
}
+ System.out.println("Interpreting complete, will send " + numberToSend + " and remove " + numberToRemove);
//Send each file to send to the Dstore at the specified port number
for(Integer dstore : filesToSend.keySet()) {
for(String filename : filesToSend.get(dstore)) {
new Thread(() -> {
try {
+ System.out.println("Sending " + filename + " to store " + dstore);
Socket socket = new Socket(InetAddress.getLocalHost(), dstore.intValue());
PrintWriter out = new PrintWriter(socket.getOutputStream());
out.println("STORE " + filename + " " + fileSizes.get(filename));
out.flush();
- out.close();
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
if(!in.readLine().equals("ACK")) {
//Log error
}
- in.close();
byte[] content = new byte[8];
- FileInputStream fileIn = new FileInputStream(fileFolder + "/" + filename);
+ FileInputStream fileIn = new FileInputStream(new File(fileFolder, filename));
OutputStream fileOut = socket.getOutputStream();
while(fileIn.read(content) > 0) {
fileOut.write(content);
@@ -279,6 +297,8 @@ public class Dstore {
}
fileIn.close();
fileOut.close();
+ in.close();
+ out.close();
socket.close();
}
catch(IOException e) {
@@ -290,12 +310,14 @@ public class Dstore {
//Remove each file to remove from fileFolder
for(String filename : filesToRemove) {
- new File(fileFolder + "/" + filename).delete();
+ System.out.println("Removing file " + filename);
+ new File(fileFolder, filename).delete();
}
//Send REBALANCE_COMPLETE message to client (the controller)
- controllerOut.print("REBALANCE COMPLETE");
+ controllerOut.println("REBALANCE_COMPLETE");
controllerOut.flush();
+ System.out.println("Sent message REBALANCE_COMPLETE");
//TO DO: WAIT FOR RESPONSES BEFORE SENDING REBALANCE_COMPLETE
}).start();
}
diff --git a/DstoreConnection.class b/DstoreConnection.class
index 46f9894507e1969d0e9e198cd8bf1d8fda9c031a..22b19b02f98e1f15e335aad8652e4c0bba7bcf2e 100644
GIT binary patch
delta 1641
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delta 634
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diff --git a/DstoreConnection.java b/DstoreConnection.java
index 2d426a5..8515615 100644
--- a/DstoreConnection.java
+++ b/DstoreConnection.java
@@ -24,32 +24,56 @@ public class DstoreConnection {
e.printStackTrace();
available = false;
}
+ catch(NullPointerException e) {
+ System.out.println("Dstore disconnected");
+ available = false;
+ }
}
- public String sendAndReceive(String message) {
+ public String sendAndReceive(String message) throws NullPointerException {
+ System.out.println("Getting lock...");
synchronized(this) {
- if(!available) return "ERROR";
- writer.println(message);
- writer.flush();
- return localReceive();
+ try {
+ System.out.println("Lock acquired");
+ if(!available) return "ERROR";
+ writer.println(message);
+ writer.flush();
+ return localReceive();
+ }
+ catch(NullPointerException e) {
+ System.out.println("Dstore disconnected");
+ available = false;
+ throw new NullPointerException();
+ }
}
}
- public String receive() {
+ public String receive() throws NullPointerException {
+ System.out.println("Getting lock...");
synchronized(this) {
+ System.out.println("Lock acquired");
if(!available) return "ERROR";
return localReceive();
}
}
- protected String localReceive() {
+ protected String localReceive() throws NullPointerException {
try {
- String returnMessage = reader.readLine();
+ String returnMessage = "";
+ while(returnMessage.equals("")) {
+ returnMessage = reader.readLine();
+ }
+ System.out.println("Controller received " + returnMessage);
return returnMessage;
}
catch(IOException e) {
e.printStackTrace();
return "";
}
+ catch(NullPointerException e) {
+ System.out.println("Dstore disconnected");
+ available = false;
+ throw new NullPointerException();
+ }
}
}
diff --git a/Grandad.txt b/Grandad.txt
new file mode 100644
index 0000000..4891fef
--- /dev/null
+++ b/Grandad.txt
@@ -0,0 +1,14 @@
+(Yabba Dabba Doo!)
+
+Flintstones. Meet the Flintstones.
+They're the modern stone age family.
+From the town of Bedrock,
+They're a page right out of history.
+
+Let's ride with the family down the street.
+Through the courtesy of Fred's two feet.
+
+When you're with the Flintstones
+Have a yabba dabba doo time.
+A dabba doo time.
+We'll have a gay old time.
diff --git a/PumpkinHill.txt b/PumpkinHill.txt
new file mode 100644
index 0000000..e245805
--- /dev/null
+++ b/PumpkinHill.txt
@@ -0,0 +1,68 @@
+You know me, the fighting freak Knuckles,
+And we're at Pumpkin Hill,
+You ready?
+
+I ain't gonna let it get to me, I'm just gonna creep,
+Down in Pumpkin Hill I gots to find my lost piece.
+I know that it's here, I can sense it in my feet,
+The great Emerald's power allows me to feel.
+I can't see a thing but it's around somewhere,
+I'm gonna hold my head 'cause I have no fear.
+This probably seems crazy, crazy, a graveyard theory,
+A ghost tried to approach me and got leery.
+
+Asked him a question and he vanished in a second,
+I'm walkin' through valleys cryin' pumpkin in the alley.
+Didn't seem happy but they sure tried to get me,
+Had to back 'em up with the fist, metal crack 'em.
+I'm hearing someone sayin' "You a chicken, don't be scared!"
+It had to be the wind, 'cause nobody wasn't there.
+I searched and I searched as I climbed up the wall,
+And then I started to fly, I went in deeper!
+
+Let it get to me? I'm just gonna creep,
+Down in Pumpkin Hill I gots to find my lost piece.
+I know that it's here, I sense it in my feet,
+The great Emerald's power allows me to feel.
+I can't see a thing but it's around somewhere,
+I gotta hold my head, I have no fear.
+It probably seems crazy, crazy, a graveyard theory,
+A ghost tried to approach me, he got leery.
+
+(This is Knuckles, who fears none.)
+(It's real deal when it comes to my name, kid!)
+
+I ain't gonna let it get to me, I'm just gonna creep,
+Down in Pumpkin Hill I gots to find my lost piece.
+I know that it's here, I can sense it in my feet,
+The great Emerald's power allows me to feel.
+I can't see a thing but it's around somewhere,
+I'm gonna hold my head 'cause I have no fear.
+This probably seems crazy, crazy, a graveyard theory,
+A ghost tried to approach me and got leery.
+
+Asked him a question and he vanished in a second,
+I'm walkin' through valleys cryin' pumpkin in the alley.
+Didn't seem happy but they sure tried to get me,
+Had to back 'em up with the fist, metal crack 'em.
+I'm hearing someone sayin' "You a chicken, don't be scared!"
+It had to be the wind, 'cause nobody wasn't there.
+I searched and I searched as I climbed up the wall,
+And then I started to fly, I went in deeper!
+
+Let it get to me? I'm just gonna creep,
+Down in Pumpkin Hill I gots to find my lost piece.
+I know that it's here, I sense it in my feet,
+The great Emerald's power allows me to feel.
+I can't see a thing but it's around somewhere,
+I gotta hold my head, I have no fear.
+It probably seems crazy, crazy, a graveyard theory,
+A ghost tried to approach me, he got leery.
+
+(Spooky up in here, it's crazy in here,)
+(We still gon' keep it goin', I'm Knuckles.)
+(Nobody scares me,)
+(Whoever want it, bring it!)
+(I don't care, we 'ka do this.)
+(Then come step up to the plate, and meet your match,)
+(It ain't no thang.)
diff --git a/SnowHalation.txt b/SnowHalation.txt
new file mode 100644
index 0000000..09add47
--- /dev/null
+++ b/SnowHalation.txt
@@ -0,0 +1,36 @@
+Fushigi da ne ima no kimochi
+Sora kara futte kita mitai
+Tokubetsu na kisetsu no iro ga tokimeki o miseru yo
+
+Hajimete deatta toki kara
+Yokan ni sawagu kokoro no Melody
+Tomerarenai tomaranai na・ze
+
+Todokete
+Setsunasa ni wa namae o tsukeyou ka "Snow halation"
+Omoi ga kasanaru made matezu ni
+Kuyashii kedo suki tte junjou
+Binetsu no naka tameratte mo dame da ne
+Tobikomu yuuki ni sansei mamonaku Start!!
+
+Oto mo naku kehai mo naku
+Shizuka ni unmei wa kawaru
+Korekara no mirai ni mune no kodou ga hayaku naru
+
+Tatoeba komatta toki ni wa
+Sugu kaketsukete dakishimetakute
+Doko ni ite mo dokodemo Fly high
+
+Isoide
+Itsu no ma ni ka ookiku nari sugita "True emotion"
+Yume dake miteru you ja tsurai yo
+Koibito wa kimi tte iitai
+Yasashii me ga tomadotteru iya da yo
+Kono mama ikki ni aijou azukete Please!!
+
+Todokete
+Setsunasa ni wa namae o tsukeyou ka "Snow halation"
+Omoi ga kasanaru made matezu ni
+Kuyashii kedo suki tte junjou
+Binetsu no naka tameratte mo dame da ne
+Tobikomu yuuki ni sansei mamonaku Start!!
diff --git a/Unknown.txt b/Unknown.txt
new file mode 100644
index 0000000..bc6fa8e
--- /dev/null
+++ b/Unknown.txt
@@ -0,0 +1,74 @@
+Here I come, rougher than the rest of them
+The best of them, tougher than leather
+You can call me Knuckles, unlike Sonic I don't chuckle
+I'd rather flex my muscles
+
+I'm hard as nails, it ain't hard to tell
+I break 'em down whether they're solid or frail
+Unlike the rest I'm independent since my first breath
+First test, feel the right, than the worst's left
+
+Born on an island in the heavens
+The blood of my ancestors flows inside me
+My duty is to save the flower
+From evil deterioration
+
+I will be the one to set your heart free, true
+Cleanse yourself of them evil spirits that's in you
+
+Streaking lights, loud sounds, and instincts
+Are the elements that keep me going
+I am fighting my own mission
+Nothing's gonna stand in my way
+
+I will be the one to set your heart free, true
+Cleanse yourself of them evil spirits that's in you
+
+Won't be frightened, I'll stand up to all the pain and turmoil
+Just believe in myself, won't rely on others
+Get this power to wipe out the havoc and anarchy
+This is my planet, gonna fight for my destiny
+
+Here I come, rougher than the rest of them
+The best of them, tougher than leather
+You can call me Knuckles, unlike Sonic I don't chuckle
+I'd rather flex my muscles
+
+I'm hard as nails, it ain't hard to tell
+I break 'em down whether they're solid or frail
+Unlike the rest I'm independent since my first breath
+First test, feel the right, than the worst's left
+
+I have no such things as weak spots
+Don't approve of him but gotta trust him
+This alliance has a purpose
+This partnership is only temporary
+
+I will be the one to set your heart free, true
+Cleanse yourself of evil spirits that got in you
+
+Won't be frightened, I'll stand up to all the pain and turmoil
+Just believe in myself, won't rely on others
+Freedom will be waiting when serenity is restored
+This is my planet, I shall not surrender
+
+Won't be frightened, I'll stand up to all the pain and turmoil
+Just believe in myself, won't rely on others
+Get this power to wipe out the havoc and anarchy
+This is my planet, gonna fight
+
+Won't be frightened, I'll stand up to all the pain and turmoil
+Just believe in myself, won't rely on others
+Freedom will be waiting when serenity is restored
+This is my planet, I shall not surrender
+
+The new porcupine on the block with the buff chest
+In the wilderness with the ruggedness
+Knock, knock, it's Knuckles, the bloat thrower
+Independent flower, Magical Emerald holder
+I'll give you the coldest shoulder
+My spikes go through boulders, that's why I stay a loner
+I was born by myself, I don't need a posse
+I get it on by myself, adversaries get shelved
+
+Right on!
diff --git a/client_1618914098636.log b/client_1618914098636.log
new file mode 100644
index 0000000..fa03ce2
--- /dev/null
+++ b/client_1618914098636.log
@@ -0,0 +1 @@
+Cannot connect to the Controller on port 8082
diff --git a/client_1618914115362.log b/client_1618914115362.log
new file mode 100644
index 0000000..0249810
--- /dev/null
+++ b/client_1618914115362.log
@@ -0,0 +1,19 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: ERROR
+ERROR: Connection closed by the Controller
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: null
+ERROR: Connection closed by the Controller
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: null
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1618916214881.log b/client_1618916214881.log
new file mode 100644
index 0000000..aa74d26
--- /dev/null
+++ b/client_1618916214881.log
@@ -0,0 +1,19 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: null
+ERROR: Connection closed by the Controller
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: null
+ERROR: Connection closed by the Controller
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: null
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1618917382748.log b/client_1618917382748.log
new file mode 100644
index 0000000..aa74d26
--- /dev/null
+++ b/client_1618917382748.log
@@ -0,0 +1,19 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: null
+ERROR: Connection closed by the Controller
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: null
+ERROR: Connection closed by the Controller
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: null
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1618917653577.log b/client_1618917653577.log
new file mode 100644
index 0000000..a2b937e
--- /dev/null
+++ b/client_1618917653577.log
@@ -0,0 +1,16 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
diff --git a/client_1618917705050.log b/client_1618917705050.log
new file mode 100644
index 0000000..a2b937e
--- /dev/null
+++ b/client_1618917705050.log
@@ -0,0 +1,16 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
diff --git a/client_1618918167755.log b/client_1618918167755.log
new file mode 100644
index 0000000..a2b937e
--- /dev/null
+++ b/client_1618918167755.log
@@ -0,0 +1,16 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
diff --git a/client_1618918283040.log b/client_1618918283040.log
new file mode 100644
index 0000000..79889b5
--- /dev/null
+++ b/client_1618918283040.log
@@ -0,0 +1,10 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
diff --git a/client_1618918339157.log b/client_1618918339157.log
new file mode 100644
index 0000000..79889b5
--- /dev/null
+++ b/client_1618918339157.log
@@ -0,0 +1,10 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Timeout expired while reading from port 8080
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
diff --git a/client_1618918660778.log b/client_1618918660778.log
new file mode 100644
index 0000000..7d494f0
--- /dev/null
+++ b/client_1618918660778.log
@@ -0,0 +1,19 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1618919054780.log b/client_1618919054780.log
new file mode 100644
index 0000000..7d494f0
--- /dev/null
+++ b/client_1618919054780.log
@@ -0,0 +1,19 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1618919710976.log b/client_1618919710976.log
new file mode 100644
index 0000000..7d494f0
--- /dev/null
+++ b/client_1618919710976.log
@@ -0,0 +1,19 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080:
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1618922219091.log b/client_1618922219091.log
new file mode 100644
index 0000000..f1079e8
--- /dev/null
+++ b/client_1618922219091.log
@@ -0,0 +1,16 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619002254815.log b/client_1619002254815.log
new file mode 100644
index 0000000..f1079e8
--- /dev/null
+++ b/client_1619002254815.log
@@ -0,0 +1,16 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.pdf)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/Clipboard01.jpg)
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619002688932.log b/client_1619002688932.log
new file mode 100644
index 0000000..c1fe03f
--- /dev/null
+++ b/client_1619002688932.log
@@ -0,0 +1,18 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+ERROR: Filename includes spaces (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/All Star.txt)
+ERROR: Filename includes spaces (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/All Star.txt)
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO
+Controller replied to store Unknown.txt in these Dstores:
+Timeout expired while reading from port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
diff --git a/client_1619002774548.log b/client_1619002774548.log
new file mode 100644
index 0000000..700813d
--- /dev/null
+++ b/client_1619002774548.log
@@ -0,0 +1,17 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST Unknown.txt
+List operation successfully completed
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/All Star.txt)
+ERROR: File to store does not exist (absolute path: /home/danimal/Documents/comp2207-distributed-filesystem/All Star.txt)
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: ERROR ALREADY_EXISTS Unknown.txt
+ERROR: Unexpected message received: ERROR ALREADY_EXISTS Unknown.txt
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
diff --git a/client_1619002831484.log b/client_1619002831484.log
new file mode 100644
index 0000000..b5328a0
--- /dev/null
+++ b/client_1619002831484.log
@@ -0,0 +1,27 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST Unknown.txt
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO
+Controller replied to store AllStar.txt in these Dstores:
+Timeout expired while reading from port 8080
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR ALREADY_EXISTS AllStar.txt
+ERROR: Unexpected message received: ERROR ALREADY_EXISTS AllStar.txt
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: ERROR ALREADY_EXISTS Unknown.txt
+ERROR: Unexpected message received: ERROR ALREADY_EXISTS Unknown.txt
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Timeout expired while reading from port 8080
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
diff --git a/client_1619015946719.log b/client_1619015946719.log
new file mode 100644
index 0000000..b1a12e7
--- /dev/null
+++ b/client_1619015946719.log
@@ -0,0 +1,57 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: null
+ERROR: Connection closed by Dstore 8081
+Store of file AllStar.txt to Dstore 8081 failed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR ALREADY_EXISTS AllStar.txt
+ERROR: Unexpected message received: ERROR ALREADY_EXISTS AllStar.txt
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: null
+ERROR: Connection closed by Dstore 8081
+Store of file Unknown.txt to Dstore 8081 failed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file Unknown.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
diff --git a/client_1619016557204.log b/client_1619016557204.log
new file mode 100644
index 0000000..91aeef4
--- /dev/null
+++ b/client_1619016557204.log
@@ -0,0 +1,48 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR ALREADY_EXISTS AllStar.txt
+ERROR: Unexpected message received: ERROR ALREADY_EXISTS AllStar.txt
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 -1
+Controller replied to load file Unknown.txt (size: -1 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
diff --git a/client_1619016975115.log b/client_1619016975115.log
new file mode 100644
index 0000000..5c0107f
--- /dev/null
+++ b/client_1619016975115.log
@@ -0,0 +1,32 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR ALREADY_EXISTS AllStar.txt
+ERROR: Unexpected message received: ERROR ALREADY_EXISTS AllStar.txt
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR ALREADY_EXISTS AllStar.txt
+ERROR: Unexpected message received: ERROR ALREADY_EXISTS AllStar.txt
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: ERROR ALREADY_EXISTS Unknown.txt
+ERROR: Unexpected message received: ERROR ALREADY_EXISTS Unknown.txt
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 -1
+Controller replied to load file Unknown.txt (size: -1 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
diff --git a/client_1619017037535.log b/client_1619017037535.log
new file mode 100644
index 0000000..8fa327e
--- /dev/null
+++ b/client_1619017037535.log
@@ -0,0 +1,48 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR FILE_ALREADY_EXISTS AllStar.txt
+ERROR: Unexpected message received: ERROR FILE_ALREADY_EXISTS AllStar.txt
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 -1
+Controller replied to load file Unknown.txt (size: -1 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
diff --git a/client_1619017290151.log b/client_1619017290151.log
new file mode 100644
index 0000000..9d7f7af
--- /dev/null
+++ b/client_1619017290151.log
@@ -0,0 +1,57 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file Unknown.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
diff --git a/client_1619017624104.log b/client_1619017624104.log
new file mode 100644
index 0000000..6e52af7
--- /dev/null
+++ b/client_1619017624104.log
@@ -0,0 +1,48 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 -1
+Controller replied to load file Unknown.txt (size: -1 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
diff --git a/client_1619018158905.log b/client_1619018158905.log
new file mode 100644
index 0000000..5d9f5ed
--- /dev/null
+++ b/client_1619018158905.log
@@ -0,0 +1,61 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
diff --git a/client_1619018768533.log b/client_1619018768533.log
new file mode 100644
index 0000000..772c595
--- /dev/null
+++ b/client_1619018768533.log
@@ -0,0 +1,62 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Timeout expired while reading from port 8080
+Remove operation for file Unknown.txt not completed successfully
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: REMOVE_COMPLETE
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1619019036315.log b/client_1619019036315.log
new file mode 100644
index 0000000..32523cd
--- /dev/null
+++ b/client_1619019036315.log
@@ -0,0 +1,65 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: LOAD_FROM 8081 2227
+Controller replied to load file AllStar.txt (size: 2227 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA AllStar.txt
+Loading file AllStar.txt from Dstore 8081
+Load operation of file AllStar.txt from Dstore 8081 successfully completed
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619019325145.log b/client_1619019325145.log
new file mode 100644
index 0000000..32523cd
--- /dev/null
+++ b/client_1619019325145.log
@@ -0,0 +1,65 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: LOAD_FROM 8081 2227
+Controller replied to load file AllStar.txt (size: 2227 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA AllStar.txt
+Loading file AllStar.txt from Dstore 8081
+Load operation of file AllStar.txt from Dstore 8081 successfully completed
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619019601175.log b/client_1619019601175.log
new file mode 100644
index 0000000..0938640
--- /dev/null
+++ b/client_1619019601175.log
@@ -0,0 +1,61 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619019802665.log b/client_1619019802665.log
new file mode 100644
index 0000000..32523cd
--- /dev/null
+++ b/client_1619019802665.log
@@ -0,0 +1,65 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: LOAD_FROM 8081 2227
+Controller replied to load file AllStar.txt (size: 2227 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA AllStar.txt
+Loading file AllStar.txt from Dstore 8081
+Load operation of file AllStar.txt from Dstore 8081 successfully completed
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619025053448.log b/client_1619025053448.log
new file mode 100644
index 0000000..772c595
--- /dev/null
+++ b/client_1619025053448.log
@@ -0,0 +1,62 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Timeout expired while reading from port 8080
+Remove operation for file Unknown.txt not completed successfully
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: REMOVE_COMPLETE
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1619025357100.log b/client_1619025357100.log
new file mode 100644
index 0000000..32523cd
--- /dev/null
+++ b/client_1619025357100.log
@@ -0,0 +1,65 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: LOAD_FROM 8081 2227
+Controller replied to load file AllStar.txt (size: 2227 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA AllStar.txt
+Loading file AllStar.txt from Dstore 8081
+Load operation of file AllStar.txt from Dstore 8081 successfully completed
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619025636890.log b/client_1619025636890.log
new file mode 100644
index 0000000..772c595
--- /dev/null
+++ b/client_1619025636890.log
@@ -0,0 +1,62 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Timeout expired while reading from port 8080
+Remove operation for file Unknown.txt not completed successfully
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: REMOVE_COMPLETE
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1619025719814.log b/client_1619025719814.log
new file mode 100644
index 0000000..32523cd
--- /dev/null
+++ b/client_1619025719814.log
@@ -0,0 +1,65 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: LOAD_FROM 8081 2227
+Controller replied to load file AllStar.txt (size: 2227 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA AllStar.txt
+Loading file AllStar.txt from Dstore 8081
+Load operation of file AllStar.txt from Dstore 8081 successfully completed
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619034515898.log b/client_1619034515898.log
new file mode 100644
index 0000000..32523cd
--- /dev/null
+++ b/client_1619034515898.log
@@ -0,0 +1,65 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE AllStar.txt 2227
+Storing file AllStar.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file AllStar.txt
+Store of file AllStar.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Connection established to port 8081
+Message sent to port 8081: STORE Unknown.txt 2594
+Storing file Unknown.txt to Dstore 8081
+Message received from port 8081: ACK
+ACK received from Dstore 8081 to store file Unknown.txt
+Store of file Unknown.txt to Dstore 8081 successfully completed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: LOAD_FROM 8081 2227
+Controller replied to load file AllStar.txt (size: 2227 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA AllStar.txt
+Loading file AllStar.txt from Dstore 8081
+Load operation of file AllStar.txt from Dstore 8081 successfully completed
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: LOAD_FROM 8081 2594
+Controller replied to load file Unknown.txt (size: 2594 bytes) from Dstore 8081
+Connection established to port 8081
+Message sent to port 8081: LOAD_DATA Unknown.txt
+Loading file Unknown.txt from Dstore 8081
+Load operation of file Unknown.txt from Dstore 8081 successfully completed
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
diff --git a/client_1619034593200.log b/client_1619034593200.log
new file mode 100644
index 0000000..e94a361
--- /dev/null
+++ b/client_1619034593200.log
@@ -0,0 +1,41 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Store of file AllStar.txt to Dstore 8081 failed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store Unknown.txt in these Dstores: 8081
+Store of file Unknown.txt to Dstore 8081 failed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file Unknown.txt completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file Unknown.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file AllStar.txt successfully completed
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
diff --git a/client_1619036545308.log b/client_1619036545308.log
new file mode 100644
index 0000000..7f0f666
--- /dev/null
+++ b/client_1619036545308.log
@@ -0,0 +1,44 @@
+Connection established to port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST
+List operation successfully completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: STORE_TO 8081
+Controller replied to store AllStar.txt in these Dstores: 8081
+Store of file AllStar.txt to Dstore 8081 failed
+Message received from port 8080: STORE_COMPLETE
+Store operation for file AllStar.txt completed
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_FILE_ALREADY_EXISTS AllStar.txt
+File to store AllStar.txt already exists in the data store
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Timeout expired while reading from port 8080
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: LIST AllStar.txt Unknown.txt
+List operation successfully completed
+Message sent to port 8080: LOAD AllStar.txt
+Load operation for file AllStar.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file AllStar.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: LOAD Unknown.txt
+Load operation for file Unknown.txt started
+Message received from port 8080: ERROR_LOAD
+Load operation for file Unknown.txt failed after having contacted 0 different Dstores
+Message sent to port 8080: REMOVE AllStar.txt
+Remove operation for file AllStar.txt started
+Timeout expired while reading from port 8080
+Remove operation for file AllStar.txt not completed successfully
+Message sent to port 8080: REMOVE Unknown.txt
+Remove operation for file Unknown.txt started
+Message received from port 8080: REMOVE_COMPLETE
+Remove operation for file Unknown.txt successfully completed
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: REMOVE_COMPLETE
+ERROR: Connection closed by the Controller
+List operation failed
diff --git a/client_1619039097527.log b/client_1619039097527.log
new file mode 100644
index 0000000..a89806a
--- /dev/null
+++ b/client_1619039097527.log
@@ -0,0 +1,26 @@
+Connection established to port 8080
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: STORE PumpkinHill.txt 2755
+Store operation started for file PumpkinHill.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: STORE SnowHalation.txt 1006
+Store operation started for file SnowHalation.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: STORE Grandad.txt 349
+Store operation started for file Grandad.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+List operation failed
diff --git a/client_1619039957471.log b/client_1619039957471.log
new file mode 100644
index 0000000..a89806a
--- /dev/null
+++ b/client_1619039957471.log
@@ -0,0 +1,26 @@
+Connection established to port 8080
+Message sent to port 8080: STORE AllStar.txt 2227
+Store operation started for file AllStar.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: STORE Unknown.txt 2594
+Store operation started for file Unknown.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: STORE PumpkinHill.txt 2755
+Store operation started for file PumpkinHill.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: STORE SnowHalation.txt 1006
+Store operation started for file SnowHalation.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: STORE Grandad.txt 349
+Store operation started for file Grandad.txt
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+Message sent to port 8080: LIST
+List operation started
+Message received from port 8080: ERROR_NOT_ENOUGH_DSTORES
+ERROR: Not enough Dstores have joined the data store yet
+List operation failed
diff --git a/downloads/AllStar.txt b/downloads/AllStar.txt
new file mode 100644
index 0000000..26e7fef
--- /dev/null
+++ b/downloads/AllStar.txt
@@ -0,0 +1,68 @@
+Somebody once told me the world is gonna roll me
+I ain't the sharpest tool in the shed
+She was looking kind of dumb with her finger and her thumb
+In the shape of an "L" on her forehead
+
+Well, the years start coming and they don't stop coming
+Fed to the rules and I hit the ground running
+Didn't make sense not to live for fun
+Your brain gets smart but your head gets dumb
+
+So much to do, so much to see
+So what's wrong with taking the back streets?
+You'll never know if you don't go
+You'll never shine if you don't glow
+
+Hey, now, you're an all-star, get your game on, go play
+Hey, now, you're a rock star, get the show on, get paid
+And all that glitters is gold
+Only shooting stars break the mold
+
+It's a cool place and they say it gets colder
+You're bundled up now wait 'til you get older
+But the meteor men beg to differ
+Judging by the hole in the satellite picture
+
+The ice we skate is getting pretty thin
+The water's getting warm so you might as well swim
+My world's on fire. How about yours?
+That's the way I like it and I'll never get bored
+
+Hey, now, you're an all-star, get your game on, go play
+Hey, now, you're a rock star, get the show on, get paid
+And all that glitters is gold
+Only shooting stars break the mold
+
+Go for the moon
+Go for the moon
+Go for the moon
+Go for the moon
+
+Hey, now, you're an all-star, get your game on, go play
+Hey, now, you're a rock star, get the show on, get paid
+And all that glitters is gold
+Only shooting stars
+
+Somebody once asked could I spare some change for gas
+I need to get myself away from this place
+I said yep, what a concept
+I could use a little fuel myself
+And we could all use a little change
+
+Well, the years start coming and they don't stop coming
+Fed to the rules and I hit the ground running
+Didn't make sense not to live for fun
+Your brain gets smart but your head gets dumb
+
+So much to do, so much to see
+So what's wrong with taking the back streets?
+You'll never know if you don't go
+You'll never shine if you don't glow
+
+Hey, now, you're an all star, get your game on, go play
+Hey, now, you're a rock star, get the show on, get paid
+And all that glitters is gold
+Only shooting stars break the mold
+
+And all that glitters is gold
+Only shooting stars break the mold
diff --git a/downloads/Unknown.txt b/downloads/Unknown.txt
new file mode 100644
index 0000000..bc6fa8e
--- /dev/null
+++ b/downloads/Unknown.txt
@@ -0,0 +1,74 @@
+Here I come, rougher than the rest of them
+The best of them, tougher than leather
+You can call me Knuckles, unlike Sonic I don't chuckle
+I'd rather flex my muscles
+
+I'm hard as nails, it ain't hard to tell
+I break 'em down whether they're solid or frail
+Unlike the rest I'm independent since my first breath
+First test, feel the right, than the worst's left
+
+Born on an island in the heavens
+The blood of my ancestors flows inside me
+My duty is to save the flower
+From evil deterioration
+
+I will be the one to set your heart free, true
+Cleanse yourself of them evil spirits that's in you
+
+Streaking lights, loud sounds, and instincts
+Are the elements that keep me going
+I am fighting my own mission
+Nothing's gonna stand in my way
+
+I will be the one to set your heart free, true
+Cleanse yourself of them evil spirits that's in you
+
+Won't be frightened, I'll stand up to all the pain and turmoil
+Just believe in myself, won't rely on others
+Get this power to wipe out the havoc and anarchy
+This is my planet, gonna fight for my destiny
+
+Here I come, rougher than the rest of them
+The best of them, tougher than leather
+You can call me Knuckles, unlike Sonic I don't chuckle
+I'd rather flex my muscles
+
+I'm hard as nails, it ain't hard to tell
+I break 'em down whether they're solid or frail
+Unlike the rest I'm independent since my first breath
+First test, feel the right, than the worst's left
+
+I have no such things as weak spots
+Don't approve of him but gotta trust him
+This alliance has a purpose
+This partnership is only temporary
+
+I will be the one to set your heart free, true
+Cleanse yourself of evil spirits that got in you
+
+Won't be frightened, I'll stand up to all the pain and turmoil
+Just believe in myself, won't rely on others
+Freedom will be waiting when serenity is restored
+This is my planet, I shall not surrender
+
+Won't be frightened, I'll stand up to all the pain and turmoil
+Just believe in myself, won't rely on others
+Get this power to wipe out the havoc and anarchy
+This is my planet, gonna fight
+
+Won't be frightened, I'll stand up to all the pain and turmoil
+Just believe in myself, won't rely on others
+Freedom will be waiting when serenity is restored
+This is my planet, I shall not surrender
+
+The new porcupine on the block with the buff chest
+In the wilderness with the ruggedness
+Knock, knock, it's Knuckles, the bloat thrower
+Independent flower, Magical Emerald holder
+I'll give you the coldest shoulder
+My spikes go through boulders, that's why I stay a loner
+I was born by myself, I don't need a posse
+I get it on by myself, adversaries get shelved
+
+Right on!
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GitLab