/*
* (non-Javadoc)
*
* @see de.fhg.fokus.magic.http.IHTTPClient#sendRequestAndWaitForResponse(de.fhg.fokus.magic.http.HTTPMessageObject)
*/
public void sendRequestAndWaitForResponse(HTTPMessageObject request) {
if (request == null) {
logger.error("no message to be sent");
return;
}
// cancel request if too many active clients
if (activeClients > HTTPDefaults.MAX_ACTIVE_CLIENTS) {
return;
}
activeClients++;
int numberOfRetries = 0;
boolean success = false;
while (!success && !terminateClient && numberOfRetries < HTTPDefaults.MAX_CLIENT_FAILURES) {
try {
if (socket == null) {
socket = new DatagramSocket();
}
SocketHelper.sendBinaryMessage(request.toBinaryMessage(), socket);
// try to receive response for 2 seconds
BinaryMessageObject binaryResponse = SocketHelper.readBinaryMessage(null, socket, 2000);
if (binaryResponse != null) {
responseMessage = binaryResponse.toHTTPMessageObject();
responseMessage.setDestinationAddress(binaryResponse.getSourceAddress());
responseMessage.setSourceAddress(request.getDestinationAddress());
}
success = true;
} catch (Exception e) {
numberOfRetries++;
}
}
tryClose();
activeClients--;
if (debug) {
System.out.println("HTTPClient response header:" + responseMessage.getHeader());
System.out.println(
"HTTPClient response body:"
+ StringHelper.byteArrayToUTF8String(responseMessage.getBody()));
}
}
/** Reads messages */
public void run() {
while (!terminateThread) {
for (int i = 0; i < socketStructureManagement.getSocketStructureCount(); i++) {
BinaryDeviceHostAddressSocketStructure currentSocketStructure =
(BinaryDeviceHostAddressSocketStructure)
socketStructureManagement.getSocketStructure(i);
BinaryMessageObject message = null;
// read search messages
do {
message =
SocketHelper.readBinaryMessage(null, currentSocketStructure.getDiscoverySocket(), 10);
if (message != null) {
// Portable.println("Discovery: Received multicast discovery message");
binaryDevice.processDiscoveryMessage(message, currentSocketStructure);
}
} while (message != null);
// read search reply messages
do {
message =
SocketHelper.readBinaryMessage(
null, currentSocketStructure.getDescriptionSocket(), 10);
if (message != null) {
Portable.println(
"Description: Received description request from "
+ IPHelper.toString(message.getSourceAddress())
+ " with "
+ BinaryUPnPConstants.toDebugString(message.getBody()));
binaryDevice.processDescriptionMessage(message, currentSocketStructure);
}
} while (message != null);
do {
// read control messages
message =
SocketHelper.readBinaryMessage(null, currentSocketStructure.getControlSocket(), 10);
if (message != null) {
binaryDevice.processControlMessage(message, currentSocketStructure);
}
} while (message != null);
}
ThreadHelper.sleep(50);
}
terminated = true;
}
/**
* Sends a request which is not answered by the server. This method can be used for time-critical
* data
*/
public void sendRequest(HTTPMessageObject request) {
if (request == null) {
logger.error("no message to be sent");
return;
}
try {
if (socket == null) {
socket = new DatagramSocket();
}
SocketHelper.sendBinaryMessage(request.toBinaryMessage(), socket);
} catch (Exception e) {
} finally {
tryClose();
}
}
/** Reads SSDP messages from the multicast sockets of all registered modules */
public void run() {
// System.out.println(" Start ExternalSSDPManagement thread, wait for NOTIFY and M-SEARCH
// packets...");
while (!terminateThread) {
synchronized (listLock) {
for (int i = 0; i < socketList.size(); i++) {
IDatagramSocket socket = (IDatagramSocket) socketList.elementAt(i);
boolean readUDP = true;
while (readUDP) {
BinaryMessageObject binaryMessage =
SocketHelper.readBinaryMessage(udpPacketManager, socket, 20);
if (binaryMessage != null) {
// System.out.println("Received message from " +
// IPAddress.toString(binaryMessage.getSourceAddress()));
HTTPMessageObject httpMessage =
new HTTPMessageObject(
binaryMessage.getBodyAsString(), binaryMessage.getSourceAddress());
// allow message processing by registered handler
((ISSDPMessageHandler) messageHandlerList.elementAt(i)).processMessage(httpMessage);
} else {
readUDP = false;
}
}
}
}
if (udpPacketManager != null) {
udpPacketManager.triggerEvents();
}
ThreadHelper.sleep(50);
}
System.out.println(" ExternalSSDPManagement thread was shut down");
// close sockets
terminated = true;
}
