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Add v3 datagram and raw to sink

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This commit is contained in:
zzz
2015-11-27 17:34:36 +00:00
parent 48d7f4969c
commit 0519ea476e
1 changed files with 60 additions and 3 deletions
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63
apps/sam/java/src/net/i2p/sam/client/SAMStreamSink.java
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@ -1,10 +1,13 @@
package net.i2p.sam.client;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.Socket;
import java.security.GeneralSecurityException;
import java.util.HashMap;
@ -51,6 +54,7 @@ public class SAMStreamSink {
" modes: stream: 0; datagram: 1; v1datagram: 2; raw: 3; v1raw: 4\n" +
" -s: use SSL\n" +
" multiple -o session options are allowed";
private static final int V3DGPORT=9999;
public static void main(String args[]) {
Getopt g = new Getopt("SAM", args, "sb:m:p:u:v:w:");
@ -176,6 +180,9 @@ public class SAMStreamSink {
throw new IOException("2nd handshake failed");
if (_log.shouldLog(Log.DEBUG))
_log.debug("Handshake2 complete.");
} else if (_isV3 && (mode == DG || mode == RAW)) {
// set up a listening DatagramSocket
(new DGRcvr(mode)).start();
}
writeDest(ourDest);
} catch (IOException e) {
@ -183,6 +190,52 @@ public class SAMStreamSink {
}
}
private class DGRcvr extends I2PAppThread {
private final int _mode;
public DGRcvr(int mode) { _mode = mode; }
public void run() {
byte[] buf = new byte[32768];
try {
Sink sink = new Sink("FAKE", "FAKEFROM");
DatagramSocket dg = new DatagramSocket(V3DGPORT);
while (true) {
DatagramPacket p = new DatagramPacket(buf, 32768);
dg.receive(p);
int len = p.getLength();
int off = p.getOffset();
byte[] data = p.getData();
_log.info("Got datagram length " + len);
if (_mode == DG) {
ByteArrayInputStream bais = new ByteArrayInputStream(data, off, len);
String line = DataHelper.readLine(bais);
if (line == null) {
_log.error("DGRcvr no header line");
continue;
}
if (line.length() < 516) {
_log.error("DGRcvr line too short: \"" + line + '\n');
continue;
}
String[] parts = line.split(" ");
String dest = parts[0];
_log.info("DG is from " + dest);
for (int i = 1; i < parts.length; i++) {
_log.info("Parameter: " + parts[i]);
}
int left = bais.available();
sink.received(data, off + len - left, left);
} else {
sink.received(data, off, len);
}
}
} catch (IOException ioe) {
_log.error("DGRcvr", ioe);
}
}
}
private static class Pinger extends I2PAppThread {
private final OutputStream _out;
@ -471,10 +524,14 @@ public class SAMStreamSink {
String style;
if (mode == STREAM)
style = "STREAM";
else if (mode == DG || mode == V1DG)
else if (mode == V1DG)
style = "DATAGRAM";
else
else if (mode == DG)
style = "DATAGRAM PORT=" + V3DGPORT;
else if (mode == V1RAW)
style = "RAW";
else
style = "RAW PORT=" + V3DGPORT;
String req = "SESSION CREATE STYLE=" + style + " DESTINATION=" + dest + ' ' + _conOptions + ' ' + sopts + '\n';
samOut.write(req.getBytes());
samOut.flush();
@ -501,7 +558,7 @@ public class SAMStreamSink {
}
if (_log.shouldInfo())
_log.info(_destFile + " is located at " + destination);
if (mode != STREAM) {
if (mode == V1DG || mode == V1RAW) {
// fake it so the sink starts
eventHandler.streamConnectedReceived(destination, "FAKE");
}