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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | bcb704366cb5e333a626c18c308c7e0448a8e69f (patch) | |
tree | f0d6ab7d78ecdd9207cf46536376b44b91a1ca71 /kopete/protocols/jabber/jingle/libjingle/talk/base/messagequeue.h | |
download | tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.tar.gz tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/base/messagequeue.h')
-rw-r--r-- | kopete/protocols/jabber/jingle/libjingle/talk/base/messagequeue.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/base/messagequeue.h b/kopete/protocols/jabber/jingle/libjingle/talk/base/messagequeue.h new file mode 100644 index 00000000..2a9cbed6 --- /dev/null +++ b/kopete/protocols/jabber/jingle/libjingle/talk/base/messagequeue.h @@ -0,0 +1,164 @@ +/* + * 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 __MESSAGEQUEUE_H__ +#define __MESSAGEQUEUE_H__ + +#include "talk/base/basictypes.h" +#include "talk/base/criticalsection.h" +#include "talk/base/socketserver.h" +#include "talk/base/jtime.h" +#include <vector> +#include <queue> +#include <algorithm> + +namespace cricket { + +struct Message; +class MessageQueue; +class MessageHandler; + +// MessageQueueManager does cleanup of of message queues + +class MessageQueueManager { +public: + static MessageQueueManager* Instance(); + + void Add(MessageQueue *message_queue); + void Remove(MessageQueue *message_queue); + void Clear(MessageHandler *handler); + +private: + MessageQueueManager(); + ~MessageQueueManager(); + + static MessageQueueManager* instance_; + std::vector<MessageQueue *> message_queues_; + CriticalSection crit_; +}; + +// Messages get dispatched to a MessageHandler + +class MessageHandler { +public: + virtual ~MessageHandler() { + MessageQueueManager::Instance()->Clear(this); + } + + virtual void OnMessage(Message *pmsg) = 0; +}; + +// Derive from this for specialized data +// App manages lifetime, except when messages are purged + +class MessageData { +public: + MessageData() {} + virtual ~MessageData() {} +}; + +template <class arg1_type> +class TypedMessageData : public MessageData { +public: + TypedMessageData(arg1_type data) { + data_ = data; + } + arg1_type data() { + return data_; + } +private: + arg1_type data_; +}; + +// No destructor + +struct Message { + Message() { + memset(this, 0, sizeof(*this)); + } + MessageHandler *phandler; + uint32 message_id; + MessageData *pdata; +}; + +// DelayedMessage goes into a priority queue, sorted by trigger time + +class DelayedMessage { +public: + DelayedMessage(int cmsDelay, Message *pmsg) { + cmsDelay_ = cmsDelay; + msTrigger_ = GetMillisecondCount() + cmsDelay; + msg_ = *pmsg; + } + + bool operator< (const DelayedMessage& dmsg) const { + return dmsg.msTrigger_ < msTrigger_; + } + + int cmsDelay_; // for debugging + uint32 msTrigger_; + Message msg_; +}; + +class MessageQueue { +public: + MessageQueue(SocketServer* ss = 0); + virtual ~MessageQueue(); + + SocketServer* socketserver() { return ss_; } + void set_socketserver(SocketServer* ss); + + // Once the queue is stopped, all calls to Get/Peek will return false. + virtual void Stop(); + virtual bool IsStopping(); + virtual void Restart(); + + virtual bool Get(Message *pmsg, int cmsWait = -1); + virtual bool Peek(Message *pmsg, int cmsWait = 0); + virtual void Post(MessageHandler *phandler, uint32 id = 0, + MessageData *pdata = NULL); + virtual void PostDelayed(int cmsDelay, MessageHandler *phandler, + uint32 id = 0, MessageData *pdata = NULL); + virtual void Clear(MessageHandler *phandler, uint32 id = (uint32)-1); + virtual void Dispatch(Message *pmsg); + virtual void ReceiveSends(); + virtual int GetDelay(); + +protected: + SocketServer* ss_; + bool new_ss; + bool fStop_; + bool fPeekKeep_; + Message msgPeek_; + std::queue<Message> msgq_; + std::priority_queue<DelayedMessage> dmsgq_; + CriticalSection crit_; +}; + +} // namespace cricket + +#endif // __MESSAGEQUEUE_H__ |