/** make sure the packet as the remote address and remote port set */
static void sendPacket(DatagramChannel dc, RDPPacket packet) {
sendMeter.add();
// allocate a buffer
int bufSize = 100 + (packet.numEacks() * 4);
if (packet.getData() != null) {
bufSize += packet.getData().length;
sendDataMeter.add();
}
MVByteBuffer buf = new MVByteBuffer(bufSize);
packet.toByteBuffer(buf); // function flips the buffer
int remotePort = packet.getPort();
InetAddress remoteAddr = packet.getInetAddress();
if ((remotePort < 0) || (remoteAddr == null)) {
throw new MVRuntimeException("RDPServer.sendPacket: remotePort or addr is null");
}
try {
int bytes = dc.send(buf.getNioBuf(), new InetSocketAddress(remoteAddr, remotePort));
if (bytes == 0) {
Log.error("RDPServer.sendPacket: could not send packet, size=" + bufSize);
}
if (Log.loggingNet)
Log.net(
"RDPServer.sendPacket: remoteAddr="
+ remoteAddr
+ ", remotePort="
+ remotePort
+ ", numbytes sent="
+ bytes);
} catch (java.io.IOException e) {
Log.exception(
"RDPServer.sendPacket: remoteAddr="
+ remoteAddr
+ ", remotePort="
+ remotePort
+ ", got exception",
e);
throw new MVRuntimeException("RDPServer.sendPacket", e);
}
}
static void callbackProcessPacket(
ClientConnection.MessageCallback pcb, ClientConnection clientCon, RDPPacket packet) {
if (packet.isNul()) {
return;
}
byte[] data = packet.getData();
MVByteBuffer buf = new MVByteBuffer(data);
RDPConnection con = (RDPConnection) clientCon;
// If this is a multiple-message message . . .
if (buf.getLong() == -1 && buf.getInt() == RDPConnection.aggregatedMsgId) {
con.aggregatedReceives++;
PacketAggregator.allAggregatedReceives++;
// Get the count of sub buffers
int size = buf.getInt();
con.receivedMessagesAggregated += size;
PacketAggregator.allReceivedMessagesAggregated += size;
if (Log.loggingNet)
Log.net(
"RDPServer.callbackProcessPacket: processing aggregated message with "
+ size
+ " submessages");
MVByteBuffer subBuf = null;
for (int i = 0; i < size; i++) {
try {
subBuf = buf.getByteBuffer();
} catch (Exception e) {
Log.error("In CallbackThread, error getting aggregated subbuffer: " + e.getMessage());
}
if (subBuf != null) pcb.processPacket(con, subBuf);
}
} else {
con.unaggregatedReceives++;
PacketAggregator.allUnaggregatedReceives++;
buf.rewind();
pcb.processPacket(con, buf);
}
}