Mercurial > 510Connectbot
annotate app/src/main/java/ch/ethz/ssh2/SCPInputStream.java @ 476:186d340afd3b
add fg/bg color setting to global:// section of deployment.connections file
| author | Carl Byington <carl@five-ten-sg.com> |
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| date | Sun, 20 Oct 2019 14:19:17 -0700 |
| parents | d29cce60f393 |
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| rev | line source |
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1 /* |
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2 * Copyright (c) 2011 David Kocher. 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; |
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6 |
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7 import java.io.BufferedInputStream; |
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8 import java.io.BufferedOutputStream; |
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9 import java.io.IOException; |
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10 import java.io.OutputStream; |
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11 |
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12 /** |
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13 * @version $Id: SCPInputStream.java 151 2014-04-28 10:03:39Z dkocher@sudo.ch $ |
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14 */ |
| 307 | 15 public class SCPInputStream extends BufferedInputStream { |
| 16 private Session session; | |
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17 |
| 307 | 18 /** |
| 19 * Bytes remaining to be read from the stream | |
| 20 */ | |
| 21 private long remaining; | |
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22 |
| 307 | 23 public SCPInputStream(SCPClient client, Session session) throws IOException { |
| 24 super(session.getStdout()); | |
| 25 this.session = session; | |
| 26 OutputStream os = new BufferedOutputStream(session.getStdin(), 512); | |
| 27 os.write(0x0); | |
| 28 os.flush(); | |
| 29 final SCPClient.LenNamePair lnp; | |
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30 |
| 307 | 31 while (true) { |
| 32 int c = session.getStdout().read(); | |
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33 |
| 307 | 34 if (c < 0) { |
| 35 throw new IOException("Remote scp terminated unexpectedly."); | |
| 36 } | |
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37 |
| 307 | 38 String line = client.receiveLine(session.getStdout()); |
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39 |
| 307 | 40 if (c == 'T') { |
| 41 /* Ignore modification times */ | |
| 42 continue; | |
| 43 } | |
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44 |
| 307 | 45 if ((c == 1) || (c == 2)) { |
| 46 throw new IOException("Remote SCP error: " + line); | |
| 47 } | |
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48 |
| 307 | 49 if (c == 'C') { |
| 50 lnp = client.parseCLine(line); | |
| 51 break; | |
| 52 } | |
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53 |
| 307 | 54 throw new IOException("Remote SCP error: " + ((char) c) + line); |
| 55 } | |
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56 |
| 307 | 57 os.write(0x0); |
| 58 os.flush(); | |
| 59 this.remaining = lnp.length; | |
| 60 } | |
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61 |
| 307 | 62 @Override |
| 63 public int read() throws IOException { | |
| 64 if (!(remaining > 0)) { | |
| 65 return -1; | |
| 66 } | |
| 67 | |
| 68 int b = super.read(); | |
| 69 | |
| 70 if (b < 0) { | |
| 71 throw new IOException("Remote scp terminated connection unexpectedly"); | |
| 72 } | |
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73 |
| 307 | 74 remaining -= 1; |
| 75 return b; | |
| 76 } | |
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77 |
| 307 | 78 @Override |
| 79 public int read(byte b[], int off, int len) throws IOException { | |
| 80 if (!(remaining > 0)) { | |
| 81 return -1; | |
| 82 } | |
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83 |
| 307 | 84 int trans = (int) remaining; |
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85 |
| 307 | 86 if (remaining > len) { |
| 87 trans = len; | |
| 88 } | |
| 89 | |
| 90 int read = super.read(b, off, trans); | |
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91 |
| 307 | 92 if (read < 0) { |
| 93 throw new IOException("Remote scp terminated connection unexpectedly"); | |
| 94 } | |
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95 |
| 307 | 96 remaining -= read; |
| 97 return read; | |
| 98 } | |
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99 |
| 307 | 100 @Override |
| 101 public void close() throws IOException { | |
| 102 try { | |
| 103 session.getStdin().write(0x0); | |
| 104 session.getStdin().flush(); | |
| 105 } | |
| 106 finally { | |
| 107 if (session != null) { | |
| 108 session.close(); | |
| 109 } | |
| 110 } | |
| 111 } | |
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112 } |