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annotate app/src/main/java/ch/ethz/ssh2/channel/StreamForwarder.java @ 438:d29cce60f393
migrate from Eclipse to Android Studio
| author | Carl Byington <carl@five-ten-sg.com> |
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| date | Thu, 03 Dec 2015 11:23:55 -0800 |
| parents | src/ch/ethz/ssh2/channel/StreamForwarder.java@071eccdff8ea |
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1 /* |
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2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved. |
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3 * Please refer to the LICENSE.txt for licensing details. |
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4 */ |
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5 package ch.ethz.ssh2.channel; |
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6 |
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7 import java.io.IOException; |
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8 import java.io.InputStream; |
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9 import java.io.OutputStream; |
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10 import java.net.Socket; |
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11 |
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12 /** |
| 307 | 13 * A StreamForwarder forwards data between two given streams. |
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14 * If two StreamForwarder threads are used (one for each direction) |
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15 * then one can be configured to shutdown the underlying channel/socket |
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16 * if both threads have finished forwarding (EOF). |
| 307 | 17 * |
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18 * @author Christian Plattner |
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19 * @version 2.50, 03/15/10 |
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20 */ |
| 307 | 21 public class StreamForwarder extends Thread { |
| 22 OutputStream os; | |
| 23 InputStream is; | |
| 24 byte[] buffer = new byte[Channel.CHANNEL_BUFFER_SIZE]; | |
| 25 Channel c; | |
| 26 StreamForwarder sibling; | |
| 27 Socket s; | |
| 28 String mode; | |
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29 |
| 307 | 30 StreamForwarder(Channel c, StreamForwarder sibling, Socket s, InputStream is, OutputStream os, String mode) |
| 31 throws IOException { | |
| 32 this.is = is; | |
| 33 this.os = os; | |
| 34 this.mode = mode; | |
| 35 this.c = c; | |
| 36 this.sibling = sibling; | |
| 37 this.s = s; | |
| 38 } | |
| 39 | |
| 40 @Override | |
| 41 public void run() { | |
| 42 try { | |
| 43 while (true) { | |
| 44 int len = is.read(buffer); | |
| 45 | |
| 46 if (len <= 0) | |
| 47 break; | |
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48 |
| 307 | 49 os.write(buffer, 0, len); |
| 50 os.flush(); | |
| 51 } | |
| 52 } | |
| 53 catch (IOException e) { | |
| 54 try { | |
| 55 c.cm.closeChannel(c, e, true); | |
| 56 } | |
| 57 catch (IOException ignored) { | |
| 58 } | |
| 59 } | |
| 60 finally { | |
| 61 try { | |
| 62 os.close(); | |
| 63 } | |
| 64 catch (IOException ignored) { | |
| 65 } | |
| 66 | |
| 67 try { | |
| 68 is.close(); | |
| 69 } | |
| 70 catch (IOException ignored) { | |
| 71 } | |
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72 |
| 307 | 73 if (sibling != null) { |
| 74 while (sibling.isAlive()) { | |
| 75 try { | |
| 76 sibling.join(); | |
| 77 } | |
| 78 catch (InterruptedException ignored) { | |
| 79 } | |
| 80 } | |
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81 |
| 307 | 82 try { |
| 83 c.cm.closeChannel(c, "StreamForwarder (" + mode + ") is cleaning up the connection", true); | |
| 84 } | |
| 85 catch (IOException ignored) { | |
| 86 } | |
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87 |
| 307 | 88 try { |
| 89 if (s != null) | |
| 90 s.close(); | |
| 91 } | |
| 92 catch (IOException ignored) { | |
| 93 } | |
| 94 } | |
| 95 } | |
| 96 } | |
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97 } |