1 files changed, 126 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/stunrequest.h b/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/stunrequest.h
new file mode 100644
index 00000000..86acff91
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/stunrequest.h
@@ -0,0 +1,126 @@
+/*
+ * libjingle
+ * Copyright 2004--2005, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice, 
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products 
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __STUNREQUESTMANAGER_H__
+#define __STUNREQUESTMANAGER_H__
+
+#include "talk/base/sigslot.h"
+#include "talk/base/thread.h"
+#include "talk/p2p/base/stun.h"
+#include <map>
+#include <string>
+
+namespace cricket {
+
+class StunRequest;
+
+// Manages a set of STUN requests, sending and resending until we receive a
+// response or determine that the request has timed out.
+class StunRequestManager {
+public:
+  StunRequestManager(Thread* thread);
+  ~StunRequestManager();
+
+  // Starts sending the given request (perhaps after a delay).
+  void Send(StunRequest* request);
+  void SendDelayed(StunRequest* request, int delay);
+
+  // Removes a stun request that was added previously.  This will happen
+  // automatically when a request succeeds, fails, or times out.
+  void Remove(StunRequest* request);
+
+  // Removes all stun requests that were added previously.
+  void Clear();
+
+  // Determines whether the given message is a response to one of the
+  // outstanding requests, and if so, processes it appropriately.
+  bool CheckResponse(StunMessage* msg);
+  bool CheckResponse(const char* data, size_t size);
+
+  // Raised when there are bytes to be sent.
+  sigslot::signal2<const void*, size_t> SignalSendPacket;
+
+private:
+  typedef std::map<std::string, StunRequest*> RequestMap;
+
+  Thread* thread_;
+  RequestMap requests_;
+
+  friend class StunRequest;
+};
+
+// Represents an individual request to be sent.  The STUN message can either be
+// constructed beforehand or built on demand.
+class StunRequest : public MessageHandler {
+public:
+  StunRequest();
+  StunRequest(StunMessage* request);
+  virtual ~StunRequest();
+
+  // The manager handling this request (if it has been scheduled for sending).
+  StunRequestManager* manager() { return manager_; }
+
+  // Returns the transaction ID of this request.
+  const std::string& id() { return id_; }
+
+  // Returns the STUN type of the request message.
+  const StunMessageType type();
+
+  // Handles messages for sending and timeout.
+  void OnMessage(Message* pmsg);
+
+  // Time elapsed since last send (in ms)
+  uint32 Elapsed() const;
+
+protected:
+  int count_;
+  bool timeout_;
+
+  // Fills in the actual request to be sent.  Note that the transaction ID will
+  // already be set and cannot be changed.
+  virtual void Prepare(StunMessage* request) {}
+
+  // Called when the message receives a response or times out.
+  virtual void OnResponse(StunMessage* response) {}
+  virtual void OnErrorResponse(StunMessage* response) {}
+  virtual void OnTimeout() {}
+  virtual int GetNextDelay();
+
+private:
+  StunRequestManager* manager_;
+  std::string id_;
+  StunMessage* msg_;
+  uint32 tstamp_;
+
+  void set_manager(StunRequestManager* manager);
+
+  friend class StunRequestManager;
+};
+
+} // namespace cricket
+
+#endif // __STUNREQUESTMANAGER_H__