/**
* Sends a specific <tt>RawPacket</tt> through this <tt>OutputDataStream</tt> to a specific
* <tt>InetSocketAddress</tt>.
*
* @param packet the <tt>RawPacket</tt> to send through this <tt>OutputDataStream</tt> to the
* specified <tt>target</tt>
* @param target the <tt>InetSocketAddress</tt> to which the specified <tt>packet</tt> is to be
* sent through this <tt>OutputDataStream</tt>
* @throws IOException if anything goes wrong while sending the specified <tt>packet</tt> through
* this <tt>OutputDataStream</tt> to the specified <tt>target</tt>
*/
@Override
protected void sendToTarget(RawPacket packet, InetSocketAddress target) throws IOException {
socket.send(
new DatagramPacket(
packet.getBuffer(),
packet.getOffset(),
packet.getLength(),
target.getAddress(),
target.getPort()));
}
/**
* Log the packet.
*
* @param packet packet to log
*/
@Override
protected void doLogPacket(RawPacket packet, InetSocketAddress target) {
if (socket == null || packet == null || target == null) return;
// Do not log the packet if it has been processed (and already
// logged) by the ice4j stack.
if (socket instanceof MultiplexingDatagramSocket) return;
PacketLoggingService pktLogging = getPacketLoggingService();
if (pktLogging != null) {
pktLogging.logPacket(
PacketLoggingService.ProtocolName.RTP,
socket.getLocalAddress().getAddress(),
socket.getLocalPort(),
target.getAddress().getAddress(),
target.getPort(),
PacketLoggingService.TransportName.UDP,
true,
packet.getBuffer(),
packet.getOffset(),
packet.getLength());
}
}
/**
* Logs the specified message and details to the packet logging service if enabled.
*
* @param message the message to log
* @param sender determines whether we are the origin of this message.
*/
private void logPacket(SIPMessage message, boolean sender) {
try {
PacketLoggingService packetLogging = SipActivator.getPacketLogging();
if (packetLogging == null
|| !packetLogging.isLoggingEnabled(PacketLoggingService.ProtocolName.SIP)
/* Via not present in CRLF packet on TCP - causes NPE */
|| message.getTopmostVia() == null) return;
String transport = message.getTopmostVia().getTransport();
boolean isTransportUDP = transport.equalsIgnoreCase("UDP");
byte[] srcAddr;
int srcPort;
byte[] dstAddr;
int dstPort;
// if addresses are not set use empty byte array with length
// equals to the other address or just empty
// byte array with length 4 (ipv4 0.0.0.0)
if (sender) {
if (!isTransportUDP) {
InetSocketAddress localAddress =
getLocalAddressForDestination(
message.getRemoteAddress(),
message.getRemotePort(),
message.getLocalAddress(),
transport);
srcPort = localAddress.getPort();
srcAddr = localAddress.getAddress().getAddress();
} else {
srcPort = message.getLocalPort();
if (message.getLocalAddress() != null) srcAddr = message.getLocalAddress().getAddress();
else if (message.getRemoteAddress() != null)
srcAddr = new byte[message.getRemoteAddress().getAddress().length];
else srcAddr = new byte[4];
}
dstPort = message.getRemotePort();
if (message.getRemoteAddress() != null) dstAddr = message.getRemoteAddress().getAddress();
else dstAddr = new byte[srcAddr.length];
} else {
if (!isTransportUDP) {
InetSocketAddress dstAddress =
getLocalAddressForDestination(
message.getRemoteAddress(),
message.getRemotePort(),
message.getLocalAddress(),
transport);
dstPort = dstAddress.getPort();
dstAddr = dstAddress.getAddress().getAddress();
} else {
dstPort = message.getLocalPort();
if (message.getLocalAddress() != null) dstAddr = message.getLocalAddress().getAddress();
else if (message.getRemoteAddress() != null)
dstAddr = new byte[message.getRemoteAddress().getAddress().length];
else dstAddr = new byte[4];
}
srcPort = message.getRemotePort();
if (message.getRemoteAddress() != null) srcAddr = message.getRemoteAddress().getAddress();
else srcAddr = new byte[dstAddr.length];
}
byte[] msg = null;
if (message instanceof SIPRequest) {
SIPRequest req = (SIPRequest) message;
if (req.getMethod().equals(SIPRequest.MESSAGE)
&& message.getContentTypeHeader() != null
&& message.getContentTypeHeader().getContentType().equalsIgnoreCase("text")) {
int len = req.getContentLength().getContentLength();
if (len > 0) {
SIPRequest newReq = (SIPRequest) req.clone();
byte[] newContent = new byte[len];
Arrays.fill(newContent, (byte) '.');
newReq.setMessageContent(newContent);
msg = newReq.toString().getBytes("UTF-8");
}
}
}
if (msg == null) {
msg = message.toString().getBytes("UTF-8");
}
packetLogging.logPacket(
PacketLoggingService.ProtocolName.SIP,
srcAddr,
srcPort,
dstAddr,
dstPort,
isTransportUDP
? PacketLoggingService.TransportName.UDP
: PacketLoggingService.TransportName.TCP,
sender,
msg);
} catch (Throwable e) {
logger.error("Cannot obtain message body", e);
}
}