refine the thread, add all callback.

@@ -70,7 +70,7 @@ SrsEdgeIngester::SrsEdgeIngester()
     origin_index = 0;
     origin_index = 0;
     stream_id = 0;
     stream_id = 0;
     stfd = NULL;
     stfd = NULL;
-    pthread = new SrsReusableThread("edge-igs", this, SRS_EDGE_INGESTER_SLEEP_US);
+    pthread = new SrsReusableThread2("edge-igs", this, SRS_EDGE_INGESTER_SLEEP_US);
 }
 }
 
 
 SrsEdgeIngester::~SrsEdgeIngester()
 SrsEdgeIngester::~SrsEdgeIngester()
@@ -397,7 +397,7 @@ SrsEdgeForwarder::SrsEdgeForwarder()
     origin_index = 0;
     origin_index = 0;
     stream_id = 0;
     stream_id = 0;
     stfd = NULL;
     stfd = NULL;
-    pthread = new SrsReusableThread("edge-fwr", this, SRS_EDGE_FORWARDER_SLEEP_US);
+    pthread = new SrsReusableThread2("edge-fwr", this, SRS_EDGE_FORWARDER_SLEEP_US);
     queue = new SrsMessageQueue();
     queue = new SrsMessageQueue();
     send_error_code = ERROR_SUCCESS;
     send_error_code = ERROR_SUCCESS;
 }
 }

@@ -75,7 +75,7 @@ enum SrsEdgeUserState
 /**
 /**
 * edge used to ingest stream from origin.
 * edge used to ingest stream from origin.
 */
 */
-class SrsEdgeIngester : public ISrsReusableThreadHandler
+class SrsEdgeIngester : public ISrsReusableThread2Handler
 {
 {
 private:
 private:
     int stream_id;
     int stream_id;
@@ -83,7 +83,7 @@ private:
     SrsSource* _source;
     SrsSource* _source;
     SrsPlayEdge* _edge;
     SrsPlayEdge* _edge;
     SrsRequest* _req;
     SrsRequest* _req;
-    SrsReusableThread* pthread;
+    SrsReusableThread2* pthread;
     st_netfd_t stfd;
     st_netfd_t stfd;
     ISrsProtocolReaderWriter* io;
     ISrsProtocolReaderWriter* io;
     SrsKbps* kbps;
     SrsKbps* kbps;
@@ -96,7 +96,7 @@ public:
     virtual int initialize(SrsSource* source, SrsPlayEdge* edge, SrsRequest* req);
     virtual int initialize(SrsSource* source, SrsPlayEdge* edge, SrsRequest* req);
     virtual int start();
     virtual int start();
     virtual void stop();
     virtual void stop();
-// interface ISrsReusableThreadHandler
+// interface ISrsReusableThread2Handler
 public:
 public:
     virtual int cycle();
     virtual int cycle();
 private:
 private:
@@ -110,7 +110,7 @@ private:
 /**
 /**
 * edge used to forward stream to origin.
 * edge used to forward stream to origin.
 */
 */
-class SrsEdgeForwarder : public ISrsReusableThreadHandler
+class SrsEdgeForwarder : public ISrsReusableThread2Handler
 {
 {
 private:
 private:
     int stream_id;
     int stream_id;
@@ -118,7 +118,7 @@ private:
     SrsSource* _source;
     SrsSource* _source;
     SrsPublishEdge* _edge;
     SrsPublishEdge* _edge;
     SrsRequest* _req;
     SrsRequest* _req;
-    SrsReusableThread* pthread;
+    SrsReusableThread2* pthread;
     st_netfd_t stfd;
     st_netfd_t stfd;
     ISrsProtocolReaderWriter* io;
     ISrsProtocolReaderWriter* io;
     SrsKbps* kbps;
     SrsKbps* kbps;
@@ -144,7 +144,7 @@ public:
     virtual int initialize(SrsSource* source, SrsPublishEdge* edge, SrsRequest* req);
     virtual int initialize(SrsSource* source, SrsPublishEdge* edge, SrsRequest* req);
     virtual int start();
     virtual int start();
     virtual void stop();
     virtual void stop();
-// interface ISrsReusableThreadHandler
+// interface ISrsReusableThread2Handler
 public:
 public:
     virtual int cycle();
     virtual int cycle();
 public:
 public:

@@ -59,7 +59,7 @@ SrsForwarder::SrsForwarder(SrsSource* _source)
     kbps = new SrsKbps();
     kbps = new SrsKbps();
     stream_id = 0;
     stream_id = 0;
 
 
-    pthread = new SrsReusableThread("forward", this, SRS_FORWARDER_SLEEP_US);
+    pthread = new SrsReusableThread2("forward", this, SRS_FORWARDER_SLEEP_US);
     queue = new SrsMessageQueue();
     queue = new SrsMessageQueue();
     jitter = new SrsRtmpJitter();
     jitter = new SrsRtmpJitter();
     
     

@@ -48,7 +48,7 @@ class SrsKbps;
 * forward the stream to other servers.
 * forward the stream to other servers.
 */
 */
 // TODO: FIXME: refine the error log, comments it.
 // TODO: FIXME: refine the error log, comments it.
-class SrsForwarder : public ISrsReusableThreadHandler
+class SrsForwarder : public ISrsReusableThread2Handler
 {
 {
 private:
 private:
     // the ep to forward, server[:port].
     // the ep to forward, server[:port].
@@ -57,7 +57,7 @@ private:
     int stream_id;
     int stream_id;
 private:
 private:
     st_netfd_t stfd;
     st_netfd_t stfd;
-    SrsReusableThread* pthread;
+    SrsReusableThread2* pthread;
 private:
 private:
     SrsSource* source;
     SrsSource* source;
     ISrsProtocolReaderWriter* io;
     ISrsProtocolReaderWriter* io;
@@ -95,7 +95,7 @@ public:
     * @param shared_video, directly ptr, copy it if need to save it.
     * @param shared_video, directly ptr, copy it if need to save it.
     */
     */
     virtual int on_video(SrsSharedPtrMessage* shared_video);
     virtual int on_video(SrsSharedPtrMessage* shared_video);
-// interface ISrsReusableThreadHandler.
+// interface ISrsReusableThread2Handler.
 public:
 public:
     virtual int cycle();
     virtual int cycle();
 private:
 private:

@@ -156,26 +156,24 @@ int SrsUdpListener::listen()
 int SrsUdpListener::cycle()
 int SrsUdpListener::cycle()
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
+
+    // TODO: FIXME: support ipv6, @see man 7 ipv6
+    sockaddr_in from;
+    int nb_from = sizeof(sockaddr_in);
+    int nread = 0;
+
+    if ((nread = st_recvfrom(_stfd, buf, nb_buf, (sockaddr*)&from, &nb_from, ST_UTIME_NO_TIMEOUT)) <= 0) {
+        srs_warn("ignore recv udp packet failed, nread=%d", nread);
+        return ret;
+    }
     
     
-    while (!pthread->interrupted()) {
-        // TODO: FIXME: support ipv6, @see man 7 ipv6
-        sockaddr_in from;
-        int nb_from = sizeof(sockaddr_in);
-        int nread = 0;
-
-        if ((nread = st_recvfrom(_stfd, buf, nb_buf, (sockaddr*)&from, &nb_from, ST_UTIME_NO_TIMEOUT)) <= 0) {
-            srs_warn("ignore recv udp packet failed, nread=%d", nread);
-            continue;
-        }
-        
-        if ((ret = handler->on_udp_packet(&from, buf, nread)) != ERROR_SUCCESS) {
-            srs_warn("handle udp packet failed. ret=%d", ret);
-            continue;
-        }
-
-        if (SRS_UDP_PACKET_RECV_CYCLE_INTERVAL_MS > 0) {
-            st_usleep(SRS_UDP_PACKET_RECV_CYCLE_INTERVAL_MS * 1000);
-        }
+    if ((ret = handler->on_udp_packet(&from, buf, nread)) != ERROR_SUCCESS) {
+        srs_warn("handle udp packet failed. ret=%d", ret);
+        return ret;
+    }
+
+    if (SRS_UDP_PACKET_RECV_CYCLE_INTERVAL_MS > 0) {
+        st_usleep(SRS_UDP_PACKET_RECV_CYCLE_INTERVAL_MS * 1000);
     }
     }
 
 
     return ret;
     return ret;

@@ -50,7 +50,7 @@ SrsRecvThread::SrsRecvThread(ISrsMessageHandler* msg_handler, SrsRtmpServer* rtm
     timeout = timeout_ms;
     timeout = timeout_ms;
     handler = msg_handler;
     handler = msg_handler;
     rtmp = rtmp_sdk;
     rtmp = rtmp_sdk;
-    trd = new SrsReusableThread("recv", this);
+    trd = new SrsReusableThread2("recv", this);
 }
 }
 
 
 SrsRecvThread::~SrsRecvThread()
 SrsRecvThread::~SrsRecvThread()
@@ -72,6 +72,11 @@ void SrsRecvThread::stop()
     trd->stop();
     trd->stop();
 }
 }
 
 
+void SrsRecvThread::stop_loop()
+{
+    trd->interrupt();
+}
+
 int SrsRecvThread::cycle()
 int SrsRecvThread::cycle()
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
@@ -109,11 +114,6 @@ int SrsRecvThread::cycle()
     return ret;
     return ret;
 }
 }
 
 
-void SrsRecvThread::stop_loop()
-{
-    trd->interrupt();
-}
-
 void SrsRecvThread::on_thread_start()
 void SrsRecvThread::on_thread_start()
 {
 {
     // the multiple messages writev improve performance large,
     // the multiple messages writev improve performance large,

@@ -79,10 +79,10 @@ public:
 /**
 /**
  * the recv thread, use message handler to handle each received message.
  * the recv thread, use message handler to handle each received message.
  */
  */
-class SrsRecvThread : public ISrsReusableThreadHandler
+class SrsRecvThread : public ISrsReusableThread2Handler
 {
 {
 protected:
 protected:
-    SrsReusableThread* trd;
+    SrsReusableThread2* trd;
     ISrsMessageHandler* handler;
     ISrsMessageHandler* handler;
     SrsRtmpServer* rtmp;
     SrsRtmpServer* rtmp;
     int timeout;
     int timeout;
@@ -92,9 +92,10 @@ public:
 public:
 public:
     virtual int start();
     virtual int start();
     virtual void stop();
     virtual void stop();
-    virtual int cycle();
     virtual void stop_loop();
     virtual void stop_loop();
+// interface ISrsReusableThread2Handler
 public:
 public:
+    virtual int cycle();
     virtual void on_thread_start();
     virtual void on_thread_start();
     virtual void on_thread_stop();
     virtual void on_thread_stop();
 };
 };

@@ -239,6 +239,24 @@ ISrsEndlessThreadHandler::~ISrsEndlessThreadHandler()
 {
 {
 }
 }
 
 
+void ISrsEndlessThreadHandler::on_thread_start()
+{
+}
+
+int ISrsEndlessThreadHandler::on_before_cycle()
+{
+    return ERROR_SUCCESS;
+}
+
+int ISrsEndlessThreadHandler::on_end_cycle()
+{
+    return ERROR_SUCCESS;
+}
+
+void ISrsEndlessThreadHandler::on_thread_stop()
+{
+}
+
 SrsEndlessThread::SrsEndlessThread(const char* n, ISrsEndlessThreadHandler* h)
 SrsEndlessThread::SrsEndlessThread(const char* n, ISrsEndlessThreadHandler* h)
 {
 {
     handler = h;
     handler = h;
@@ -261,6 +279,26 @@ int SrsEndlessThread::cycle()
     return handler->cycle();
     return handler->cycle();
 }
 }
 
 
+void SrsEndlessThread::on_thread_start()
+{
+    handler->on_thread_start();
+}
+
+int SrsEndlessThread::on_before_cycle()
+{
+    return handler->on_before_cycle();
+}
+
+int SrsEndlessThread::on_end_cycle()
+{
+    return handler->on_end_cycle();
+}
+
+void SrsEndlessThread::on_thread_stop()
+{
+    handler->on_thread_stop();
+}
+
 ISrsOneCycleThreadHandler::ISrsOneCycleThreadHandler()
 ISrsOneCycleThreadHandler::ISrsOneCycleThreadHandler()
 {
 {
 }
 }
@@ -269,6 +307,20 @@ ISrsOneCycleThreadHandler::~ISrsOneCycleThreadHandler()
 {
 {
 }
 }
 
 
+void ISrsOneCycleThreadHandler::on_thread_start()
+{
+}
+
+int ISrsOneCycleThreadHandler::on_before_cycle()
+{
+    return ERROR_SUCCESS;
+}
+
+int ISrsOneCycleThreadHandler::on_end_cycle()
+{
+    return ERROR_SUCCESS;
+}
+
 void ISrsOneCycleThreadHandler::on_thread_stop()
 void ISrsOneCycleThreadHandler::on_thread_stop()
 {
 {
 }
 }
@@ -297,6 +349,21 @@ int SrsOneCycleThread::cycle()
     return ret;
     return ret;
 }
 }
 
 
+void SrsOneCycleThread::on_thread_start()
+{
+    handler->on_thread_start();
+}
+
+int SrsOneCycleThread::on_before_cycle()
+{
+    return handler->on_before_cycle();
+}
+
+int SrsOneCycleThread::on_end_cycle()
+{
+    return handler->on_end_cycle();
+}
+
 void SrsOneCycleThread::on_thread_stop()
 void SrsOneCycleThread::on_thread_stop()
 {
 {
     handler->on_thread_stop();
     handler->on_thread_stop();
@@ -310,6 +377,20 @@ ISrsReusableThreadHandler::~ISrsReusableThreadHandler()
 {
 {
 }
 }
 
 
+void ISrsReusableThreadHandler::on_thread_start()
+{
+}
+
+int ISrsReusableThreadHandler::on_before_cycle()
+{
+    return ERROR_SUCCESS;
+}
+
+int ISrsReusableThreadHandler::on_end_cycle()
+{
+    return ERROR_SUCCESS;
+}
+
 void ISrsReusableThreadHandler::on_thread_stop()
 void ISrsReusableThreadHandler::on_thread_stop()
 {
 {
 }
 }
@@ -341,22 +422,116 @@ int SrsReusableThread::cid()
     return pthread->cid();
     return pthread->cid();
 }
 }
 
 
-void SrsReusableThread::interrupt()
+int SrsReusableThread::cycle()
+{
+    return handler->cycle();
+}
+
+void SrsReusableThread::on_thread_start()
+{
+    handler->on_thread_start();
+}
+
+int SrsReusableThread::on_before_cycle()
+{
+    return handler->on_before_cycle();
+}
+
+int SrsReusableThread::on_end_cycle()
+{
+    return handler->on_end_cycle();
+}
+
+void SrsReusableThread::on_thread_stop()
+{
+    handler->on_thread_stop();
+}
+
+ISrsReusableThread2Handler::ISrsReusableThread2Handler()
+{
+}
+
+ISrsReusableThread2Handler::~ISrsReusableThread2Handler()
+{
+}
+
+void ISrsReusableThread2Handler::on_thread_start()
+{
+}
+
+int ISrsReusableThread2Handler::on_before_cycle()
+{
+    return ERROR_SUCCESS;
+}
+
+int ISrsReusableThread2Handler::on_end_cycle()
+{
+    return ERROR_SUCCESS;
+}
+
+void ISrsReusableThread2Handler::on_thread_stop()
+{
+}
+
+SrsReusableThread2::SrsReusableThread2(const char* n, ISrsReusableThread2Handler* h, int64_t interval_us)
+{
+    handler = h;
+    pthread = new internal::SrsThread(n, this, interval_us, true);
+}
+
+SrsReusableThread2::~SrsReusableThread2()
+{
+    pthread->stop();
+    srs_freep(pthread);
+}
+
+int SrsReusableThread2::start()
+{
+    return pthread->start();
+}
+
+void SrsReusableThread2::stop()
+{
+    pthread->stop();
+}
+
+int SrsReusableThread2::cid()
+{
+    return pthread->cid();
+}
+
+void SrsReusableThread2::interrupt()
 {
 {
     pthread->stop_loop();
     pthread->stop_loop();
 }
 }
 
 
-bool SrsReusableThread::interrupted()
+bool SrsReusableThread2::interrupted()
 {
 {
     return !pthread->can_loop();
     return !pthread->can_loop();
 }
 }
 
 
-int SrsReusableThread::cycle()
+int SrsReusableThread2::cycle()
 {
 {
     return handler->cycle();
     return handler->cycle();
 }
 }
 
 
-void SrsReusableThread::on_thread_stop()
+void SrsReusableThread2::on_thread_start()
+{
+    handler->on_thread_start();
+}
+
+int SrsReusableThread2::on_before_cycle()
+{
+    return handler->on_before_cycle();
+}
+
+int SrsReusableThread2::on_end_cycle()
+{
+    return handler->on_end_cycle();
+}
+
+void SrsReusableThread2::on_thread_stop()
 {
 {
     handler->on_thread_stop();
     handler->on_thread_stop();
 }
 }
+

@@ -184,6 +184,15 @@ public:
      * @remark user must use block method in cycle method, for example, sleep or socket io.
      * @remark user must use block method in cycle method, for example, sleep or socket io.
      */
      */
     virtual int cycle() = 0;
     virtual int cycle() = 0;
+public:
+    /**
+     * other callback for handler.
+     * @remark all callback is optional, handler can ignore it.
+     */
+    virtual void on_thread_start();
+    virtual int on_before_cycle();
+    virtual int on_end_cycle();
+    virtual void on_thread_stop();
 };
 };
 class SrsEndlessThread : public internal::ISrsThreadHandler
 class SrsEndlessThread : public internal::ISrsThreadHandler
 {
 {
@@ -201,6 +210,10 @@ public:
 // interface internal::ISrsThreadHandler
 // interface internal::ISrsThreadHandler
 public:
 public:
     virtual int cycle();
     virtual int cycle();
+    virtual void on_thread_start();
+    virtual int on_before_cycle();
+    virtual int on_end_cycle();
+    virtual void on_thread_stop();
 };
 };
 
 
 /**
 /**
@@ -236,10 +249,14 @@ public:
      * the cycle method for the one cycle thread.
      * the cycle method for the one cycle thread.
      */
      */
     virtual int cycle() = 0;
     virtual int cycle() = 0;
+public:
     /**
     /**
-     * when thread stop, the handler can do cleanup.
-     * @remark this method is optional, handler can ignore it.
+     * other callback for handler.
+     * @remark all callback is optional, handler can ignore it.
      */
      */
+    virtual void on_thread_start();
+    virtual int on_before_cycle();
+    virtual int on_end_cycle();
     virtual void on_thread_stop();
     virtual void on_thread_stop();
 };
 };
 class SrsOneCycleThread : public internal::ISrsThreadHandler
 class SrsOneCycleThread : public internal::ISrsThreadHandler
@@ -258,6 +275,9 @@ public:
 // interface internal::ISrsThreadHandler
 // interface internal::ISrsThreadHandler
 public:
 public:
     virtual int cycle();
     virtual int cycle();
+    virtual void on_thread_start();
+    virtual int on_before_cycle();
+    virtual int on_end_cycle();
     virtual void on_thread_stop();
     virtual void on_thread_stop();
 };
 };
 
 
@@ -266,11 +286,11 @@ public:
  *       user can create thread and stop then start again and again,
  *       user can create thread and stop then start again and again,
  *       generally must provides a start and stop method, @see SrsIngester.
  *       generally must provides a start and stop method, @see SrsIngester.
  *       the step to create a thread stop by other thread:
  *       the step to create a thread stop by other thread:
- *       1. create SrsThread field, with joinable true.
- *       2. must use stop to stop and join the thread.
+ *       1. create SrsReusableThread field.
+ *       2. must manually stop the thread when started it.
  *       for example:
  *       for example:
- *           class SrsIngester : public ISrsThreadHandler {
- *               public: SrsIngester() { pthread = new SrsThread("ingest", this, SRS_AUTO_INGESTER_SLEEP_US, true); }
+ *           class SrsIngester : public ISrsReusableThreadHandler {
+ *               public: SrsIngester() { pthread = new SrsReusableThread("ingest", this, SRS_AUTO_INGESTER_SLEEP_US); }
  *               public: virtual int start() { return pthread->start(); }
  *               public: virtual int start() { return pthread->start(); }
  *               public: virtual void stop() { pthread->stop(); }
  *               public: virtual void stop() { pthread->stop(); }
  *               public: virtual int cycle() {
  *               public: virtual int cycle() {
@@ -290,10 +310,14 @@ public:
      * the thread is interrupted.
      * the thread is interrupted.
      */
      */
     virtual int cycle() = 0;
     virtual int cycle() = 0;
+public:
     /**
     /**
-     * when thread stop, the handler can do cleanup.
-     * @remark this method is optional, handler can ignore it.
+     * other callback for handler.
+     * @remark all callback is optional, handler can ignore it.
      */
      */
+    virtual void on_thread_start();
+    virtual int on_before_cycle();
+    virtual int on_end_cycle();
     virtual void on_thread_stop();
     virtual void on_thread_stop();
 };
 };
 class SrsReusableThread : public internal::ISrsThreadHandler
 class SrsReusableThread : public internal::ISrsThreadHandler
@@ -321,6 +345,89 @@ public:
      * @remark when start thread, parent thread will block and wait for this id ready.
      * @remark when start thread, parent thread will block and wait for this id ready.
      */
      */
     virtual int cid();
     virtual int cid();
+// interface internal::ISrsThreadHandler
+public:
+    virtual int cycle();
+    virtual void on_thread_start();
+    virtual int on_before_cycle();
+    virtual int on_end_cycle();
+    virtual void on_thread_stop();
+};
+
+/**
+ * the reuse thread is a thread stop and start by other thread.
+ * the version 2, is the thread cycle has its inner loop, which should
+ * check the intterrupt, and should interrupt thread when the inner loop want
+ * to quit the thread.
+ *       user can create thread and stop then start again and again,
+ *       generally must provides a start and stop method, @see SrsIngester.
+ *       the step to create a thread stop by other thread:
+ *       1. create SrsReusableThread field.
+ *       2. must manually stop the thread when started it.
+ *       for example:
+ *           class SrsIngester : public ISrsReusableThreadHandler {
+ *               public: SrsIngester() { pthread = new SrsReusableThread("ingest", this, SRS_AUTO_INGESTER_SLEEP_US); }
+ *               public: virtual int start() { return pthread->start(); }
+ *               public: virtual void stop() { pthread->stop(); }
+ *               public: virtual int cycle() {
+ *                  while (!pthread->interrupted()) {
+ *                      // quit thread when error.
+ *                      if (ret != ERROR_SUCCESS) {
+ *                          pthread->interrupt();
+ *                      }
+ *
+ *                      // do something.
+ *                  }
+ *               }
+ *           };
+ */
+class ISrsReusableThread2Handler
+{
+public:
+    ISrsReusableThread2Handler();
+    virtual ~ISrsReusableThread2Handler();
+public:
+    /**
+     * the cycle method for the one cycle thread.
+     * @remark when the cycle has its inner loop, it must check whether
+     * the thread is interrupted.
+     */
+    virtual int cycle() = 0;
+public:
+    /**
+     * other callback for handler.
+     * @remark all callback is optional, handler can ignore it.
+     */
+    virtual void on_thread_start();
+    virtual int on_before_cycle();
+    virtual int on_end_cycle();
+    virtual void on_thread_stop();
+};
+class SrsReusableThread2 : public internal::ISrsThreadHandler
+{
+private:
+    internal::SrsThread* pthread;
+    ISrsReusableThread2Handler* handler;
+public:
+    SrsReusableThread2(const char* n, ISrsReusableThread2Handler* h, int64_t interval_us = 0);
+    virtual ~SrsReusableThread2();
+public:
+    /**
+     * for the reusable thread, start and stop by user.
+     */
+    virtual int start();
+    /**
+     * stop the thread, wait for the thread to terminate.
+     * @remark user can stop multiple times, ignore if already stopped.
+     */
+    virtual void stop();
+public:
+    /**
+     * get the context id. @see: ISrsThreadContext.get_id().
+     * used for parent thread to get the id.
+     * @remark when start thread, parent thread will block and wait for this id ready.
+     */
+    virtual int cid();
     /**
     /**
      * interrupt the thread to stop loop.
      * interrupt the thread to stop loop.
      * we only set the loop flag to false, not really interrupt the thread.
      * we only set the loop flag to false, not really interrupt the thread.
@@ -335,6 +442,9 @@ public:
 // interface internal::ISrsThreadHandler
 // interface internal::ISrsThreadHandler
 public:
 public:
     virtual int cycle();
     virtual int cycle();
+    virtual void on_thread_start();
+    virtual int on_before_cycle();
+    virtual int on_end_cycle();
     virtual void on_thread_stop();
     virtual void on_thread_stop();
 };
 };