From 5f0d6e90dbeb6eab839b39549ed8a7badf9811f0 Mon Sep 17 00:00:00 2001
From: ik1g19 <ik1g19@soton.ac.uk>
Date: Mon, 29 Mar 2021 01:01:04 +0100
Subject: [PATCH] add file transfer
---
fileTransfer/FTClient.class | Bin 0 -> 2414 bytes
fileTransfer/FTClient.java | 50 +++++++++++++++++++++++++++++
fileTransfer/FTServer.class | Bin 0 -> 2700 bytes
fileTransfer/FTServer.java | 61 ++++++++++++++++++++++++++++++++++++
4 files changed, 111 insertions(+)
create mode 100644 fileTransfer/FTClient.class
create mode 100644 fileTransfer/FTClient.java
create mode 100644 fileTransfer/FTServer.class
create mode 100644 fileTransfer/FTServer.java
diff --git a/fileTransfer/FTClient.class b/fileTransfer/FTClient.class
new file mode 100644
index 0000000000000000000000000000000000000000..208042475ace482b2168700aa6542fc8b06b8b5b
GIT binary patch
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diff --git a/fileTransfer/FTClient.java b/fileTransfer/FTClient.java
new file mode 100644
index 0000000..504fb10
--- /dev/null
+++ b/fileTransfer/FTClient.java
@@ -0,0 +1,50 @@
+import java.io.*;
+import java.net.*;
+public class FTClient {
+ public static void main(String[] args) throws IOException {
+ System.out.println(args[0] + " " + args[1] + " " + args[2] + " " + args[3]);
+ if (args[1].equals("put")) {
+ File inputFile = new File(args[2]);
+ FileInputStream in = new FileInputStream(inputFile);
+ try {
+ Socket socket = new Socket(args[0], 4323);
+ OutputStream out = socket.getOutputStream();
+ out.write(("put" + " " + args[3] + " ").getBytes());
+ byte[] buf = new byte[1000];
+ int buflen;
+ while ((buflen = in.read(buf)) != -1) {
+ System.out.print("*");
+ out.write(buf, 0, buflen);
+ }
+ out.close();
+ } catch (Exception e) {
+ System.out.println("error" + e);
+ }
+ System.out.println(); in .close();
+
+ }
+ else if(args[1].equals("get")) {
+ File outputFile = new File(args[2]);
+ FileOutputStream outf = new FileOutputStream(outputFile);
+ try {
+ Socket socket = new Socket(args[0], 4323);
+ OutputStream out = socket.getOutputStream();
+ InputStream in = socket.getInputStream();
+ out.write(("get" + " " + args[3] + " ").getBytes());
+ byte[] buf = new byte[1000];
+ int buflen;
+ while ((buflen = in.read(buf)) != -1) {
+ System.out.print("*");
+ outf.write(buf, 0, buflen);
+ }
+ out.close();
+ in.close();
+ } catch (Exception e) {
+ System.out.println("error" + e);
+ }
+ System.out.println();
+ outf.close();
+ }
+ else System.out.println("unrecognised command");
+ }
+}
\ No newline at end of file
diff --git a/fileTransfer/FTServer.class b/fileTransfer/FTServer.class
new file mode 100644
index 0000000000000000000000000000000000000000..4fa2b944c4e286fa346c409140cd0b37d902b2e6
GIT binary patch
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diff --git a/fileTransfer/FTServer.java b/fileTransfer/FTServer.java
new file mode 100644
index 0000000..de67fc0
--- /dev/null
+++ b/fileTransfer/FTServer.java
@@ -0,0 +1,61 @@
+import java.io.*;
+import java.net.*;
+public class FTServer {
+ public static void main(String[] args) throws IOException {
+ try {
+ ServerSocket ss = new ServerSocket(4323);
+ for (;;) {
+ try {
+ System.out.println("waiting for connection");
+ Socket client = ss.accept();
+ System.out.println("connected");
+ InputStream in = client.getInputStream();
+ byte[] buf = new byte[1000];
+ int buflen;
+ buflen = in.read(buf);
+ String firstBuffer = new String(buf, 0, buflen);
+ int firstSpace = firstBuffer.indexOf(" ");
+ String command = firstBuffer.substring(0, firstSpace);
+ System.out.println("command " + command);
+ if (command.equals("put")) {
+ int secondSpace = firstBuffer.indexOf(" ", firstSpace + 1);
+ String fileName = firstBuffer.substring(firstSpace + 1, secondSpace);
+ System.out.println("fileName " + fileName);
+ File outputFile = new File(fileName);
+ FileOutputStream out = new FileOutputStream(outputFile);
+ out.write(buf, secondSpace + 1, buflen - secondSpace - 1);
+ while ((buflen = in.read(buf)) != -1) {
+ System.out.print("*");
+ out.write(buf, 0, buflen);
+ }
+ in.close();
+ client.close();
+ out.close();
+ }
+ else if(command.equals("get")) {
+ int secondSpace = firstBuffer.indexOf(" ", firstSpace + 1);
+ String fileName = firstBuffer.substring(firstSpace + 1, secondSpace);
+ System.out.println("fileName " + fileName);
+ File inputFile = new File(fileName);
+ FileInputStream inf = new FileInputStream(inputFile);
+ OutputStream out = client.getOutputStream();
+ while ((buflen = inf.read(buf)) != -1) {
+ System.out.print("*");
+ out.write(buf, 0, buflen);
+ }
+ in.close();
+ inf.close();
+ client.close();
+ out.close();
+ }
+ else System.out.println("unrecognised command");
+ } catch (Exception e) {
+ System.out.println("error " + e);
+ }
+ }
+ } catch (Exception e) {
+ System.out.println("error " + e);
+ }
+ System.out.println();
+ }
+}
\ No newline at end of file
--
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