Esempio n. 1
0
 /**
  * Closes the connection to the peer if one exists, or immediately closes the connection as soon
  * as it opens
  */
 public void close() {
   lock.lock();
   try {
     if (writeTarget == null) {
       closePending = true;
       return;
     }
   } finally {
     lock.unlock();
   }
   writeTarget.closeConnection();
 }
Esempio n. 2
0
 /**
  * Sets the {@link MessageWriteTarget} used to write messages to the peer. This should almost
  * never be called, it is called automatically by {@link org.bitcoinj.net.NioClient} or {@link
  * org.bitcoinj.net.NioClientManager} once the socket finishes initialization.
  */
 @Override
 public void setWriteTarget(MessageWriteTarget writeTarget) {
   checkArgument(writeTarget != null);
   lock.lock();
   boolean closeNow = false;
   try {
     checkArgument(this.writeTarget == null);
     closeNow = closePending;
     this.writeTarget = writeTarget;
   } finally {
     lock.unlock();
   }
   if (closeNow) writeTarget.closeConnection();
 }
Esempio n. 3
0
 /**
  * Sends the given message to the peer. Due to the asynchronousness of network programming, there
  * is no guarantee the peer will have received it. Throws NotYetConnectedException if we are not
  * yet connected to the remote peer. TODO: Maybe use something other than the unchecked
  * NotYetConnectedException here
  */
 public void sendMessage(Message message) throws NotYetConnectedException {
   lock.lock();
   try {
     if (writeTarget == null) throw new NotYetConnectedException();
   } finally {
     lock.unlock();
   }
   // TODO: Some round-tripping could be avoided here
   ByteArrayOutputStream out = new ByteArrayOutputStream();
   try {
     serializer.serialize(message, out);
     writeTarget.writeBytes(out.toByteArray());
   } catch (IOException e) {
     exceptionCaught(e);
   }
 }