private void receivePack() throws IOException {
// It might take the client a while to pack the objects it needs
// to send to us. We should increase our timeout so we don't
// abort while the client is computing.
//
if (timeoutIn != null) timeoutIn.setTimeout(10 * timeout * 1000);
ProgressMonitor receiving = NullProgressMonitor.INSTANCE;
ProgressMonitor resolving = NullProgressMonitor.INSTANCE;
if (sideBand) resolving = new SideBandProgressMonitor(msgOut);
ObjectInserter ins = db.newObjectInserter();
try {
String lockMsg = "jgit receive-pack";
if (getRefLogIdent() != null) lockMsg += " from " + getRefLogIdent().toExternalString();
parser = ins.newPackParser(rawIn);
parser.setAllowThin(true);
parser.setNeedNewObjectIds(checkReferencedIsReachable);
parser.setNeedBaseObjectIds(checkReferencedIsReachable);
parser.setCheckEofAfterPackFooter(!biDirectionalPipe);
parser.setObjectChecking(isCheckReceivedObjects());
parser.setLockMessage(lockMsg);
parser.setMaxObjectSizeLimit(maxObjectSizeLimit);
packLock = parser.parse(receiving, resolving);
ins.flush();
} finally {
ins.release();
}
if (timeoutIn != null) timeoutIn.setTimeout(timeout * 1000);
}
/**
* Execute the receive task on the socket.
*
* @param input raw input to read client commands and pack data from. Caller must ensure the input
* is buffered, otherwise read performance may suffer.
* @param output response back to the Git network client. Caller must ensure the output is
* buffered, otherwise write performance may suffer.
* @param messages secondary "notice" channel to send additional messages out through. When run
* over SSH this should be tied back to the standard error channel of the command execution.
* For most other network connections this should be null.
* @throws IOException
*/
public void receive(
final InputStream input, final OutputStream output, final OutputStream messages)
throws IOException {
try {
rawIn = input;
rawOut = output;
msgOut = messages;
if (timeout > 0) {
final Thread caller = Thread.currentThread();
timer = new InterruptTimer(caller.getName() + "-Timer");
timeoutIn = new TimeoutInputStream(rawIn, timer);
TimeoutOutputStream o = new TimeoutOutputStream(rawOut, timer);
timeoutIn.setTimeout(timeout * 1000);
o.setTimeout(timeout * 1000);
rawIn = timeoutIn;
rawOut = o;
}
pckIn = new PacketLineIn(rawIn);
pckOut = new PacketLineOut(rawOut);
pckOut.setFlushOnEnd(false);
enabledCapablities = new HashSet<String>();
commands = new ArrayList<ReceiveCommand>();
service();
} finally {
walk.release();
try {
if (sideBand) {
// If we are using side band, we need to send a final
// flush-pkt to tell the remote peer the side band is
// complete and it should stop decoding. We need to
// use the original output stream as rawOut is now the
// side band data channel.
//
((SideBandOutputStream) msgOut).flushBuffer();
((SideBandOutputStream) rawOut).flushBuffer();
PacketLineOut plo = new PacketLineOut(output);
plo.setFlushOnEnd(false);
plo.end();
}
if (biDirectionalPipe) {
// If this was a native git connection, flush the pipe for
// the caller. For smart HTTP we don't do this flush and
// instead let the higher level HTTP servlet code do it.
//
if (!sideBand && msgOut != null) msgOut.flush();
rawOut.flush();
}
} finally {
unlockPack();
timeoutIn = null;
rawIn = null;
rawOut = null;
msgOut = null;
pckIn = null;
pckOut = null;
refs = null;
enabledCapablities = null;
commands = null;
if (timer != null) {
try {
timer.terminate();
} finally {
timer = null;
}
}
}
}
}