package net.i2p.client.streaming;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.io.OutputStream;
import java.net.ConnectException;
import java.net.NoRouteToHostException;
import net.i2p.I2PAppContext;
import net.i2p.I2PException;
import net.i2p.data.DataFormatException;
import net.i2p.data.Destination;
import net.i2p.util.Log;
/**
* Simple streaming lib test app that connects to a given destination and sends
* the contents of a file, then disconnects. See the {@link #main}
*
*/
public class StreamSinkSend {
private Log _log;
private String _sendFile;
private int _writeDelay;
private String _peerDestFile;
/**
* Build the client but don't fire it up.
* @param filename file to send
* @param writeDelayMs how long to wait between each .write (0 for no delay)
* @param serverDestFile file containing the StreamSinkServer's binary Destination
*/
public StreamSinkSend(String filename, int writeDelayMs, String serverDestFile) {
_sendFile = filename;
_writeDelay = writeDelayMs;
_peerDestFile = serverDestFile;
_log = I2PAppContext.getGlobalContext().logManager().getLog(StreamSinkClient.class);
}
/**
* Actually connect and run the client - this call blocks until completion.
*
*/
public void runClient() {
I2PSocketManager mgr = I2PSocketManagerFactory.createManager();
Destination peer = null;
FileInputStream fis = null;
try {
fis = new FileInputStream(_peerDestFile);
peer = new Destination();
peer.readBytes(fis);
} catch (IOException ioe) {
_log.error("Error finding the peer destination to contact in " + _peerDestFile, ioe);
return;
} catch (DataFormatException dfe) {
_log.error("Peer destination is not valid in " + _peerDestFile, dfe);
return;
} finally {
if (fis != null) try { fis.close(); } catch (IOException ioe) {}
}
System.out.println("Send " + _sendFile + " to " + peer.calculateHash().toBase64());
try {
I2PSocket sock = mgr.connect(peer);
byte buf[] = new byte[32*1024];
OutputStream out = sock.getOutputStream();
long beforeSending = System.currentTimeMillis();
fis = new FileInputStream(_sendFile);
long size = 0;
while (true) {
int read = fis.read(buf);
if (read < 0)
break;
out.write(buf, 0, read);
size += read;
if (_log.shouldLog(Log.DEBUG))
_log.debug("Wrote " + read);
if (_writeDelay > 0) {
try { Thread.sleep(_writeDelay); } catch (InterruptedException ie) {}
}
}
fis.close();
sock.close();
long afterSending = System.currentTimeMillis();
System.out.println("Sent " + (size / 1024) + "KB in " + (afterSending-beforeSending) + "ms");
} catch (InterruptedIOException iie) {
_log.error("Timeout connecting to the peer", iie);
return;
} catch (NoRouteToHostException nrthe) {
_log.error("Unable to connect to the peer", nrthe);
return;
} catch (ConnectException ce) {
_log.error("Connection already dropped", ce);
return;
} catch (I2PException ie) {
_log.error("Error connecting to the peer", ie);
return;
} catch (IOException ioe) {
_log.error("IO error sending", ioe);
return;
}
}
/**
* Fire up the client. <code>Usage: StreamSinkClient sendFile writeDelayMs serverDestFile</code> <br>
* <ul>
* <li><b>sendFile</b>: filename to send</li>
* <li><b>writeDelayMs</b>: how long to wait between each .write (0 for no delay)</li>
* <li><b>serverDestFile</b>: file containing the StreamSinkServer's binary Destination</li>
* </ul>
* @param args sendFile writeDelayMs serverDestFile
*/
public static void main(String args[]) {
if (args.length != 3) {
System.out.println("Usage: StreamSinkClient sendFile writeDelayMs serverDestFile");
} else {
int writeDelayMs = -1;
try {
writeDelayMs = Integer.parseInt(args[1]);
} catch (NumberFormatException nfe) {
System.err.println("Write delay ms invalid [" + args[1] + "]");
return;
}
StreamSinkSend client = new StreamSinkSend(args[0], writeDelayMs, args[2]);
client.runClient();
}
}
}