support on_hls for http hooks. 2.0.152.

trunk/src/app/srs_app_async_call.hpp

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+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2015 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_APP_ASYNC_CALL_HPP
+#define SRS_APP_ASYNC_CALL_HPP
+
+/*
+#include <srs_app_async_call.hpp>
+*/
+#include <srs_core.hpp>
+
+#include <string>
+#include <vector>
+
+#include <srs_app_thread.hpp>
+
+/**
+ * the async call for http hooks,
+ * for the http hooks will switch st-thread,
+ * so we must use isolate thread to avoid the thread corrupt,
+ * for example, when dvr call http hooks, the video receive thread got
+ * a video and pass it to the dvr again.
+ * futhurmore, the aync call never block the main worker thread.
+ */
+class ISrsDvrAsyncCall
+{
+public:
+    ISrsDvrAsyncCall();
+    virtual ~ISrsDvrAsyncCall();
+public:
+    virtual int call() = 0;
+    virtual std::string to_string() = 0;
+};
+
+/**
+* the async callback for dvr.
+*/
+class SrsDvrAsyncCallThread : public ISrsThreadHandler
+{
+private:
+    SrsThread* pthread;
+    std::vector<ISrsDvrAsyncCall*> callbacks;
+public:
+    SrsDvrAsyncCallThread();
+    virtual ~SrsDvrAsyncCallThread();
+public:
+    virtual int call(ISrsDvrAsyncCall* c);
+public:
+    virtual int start();
+    virtual void stop();
+    virtual int cycle();
+};
+
+#endif
+