support gmd. change work_dir. hourglass. add utilies.

trunk/src/app/srs_app_hourglass.cpp

@@ -0,0 +1,86 @@
+/*
+ The MIT License (MIT)
+ 
+ Copyright (c) 2013-2016 SRS(ossrs)
+ 
+ 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.
+ */
+
+#include <srs_app_hourglass.hpp>
+
+using namespace std;
+
+#include <srs_kernel_error.hpp>
+#include <srs_app_st.hpp>
+#include <srs_kernel_log.hpp>
+
+ISrsHourGlass::ISrsHourGlass()
+{
+}
+
+ISrsHourGlass::~ISrsHourGlass()
+{
+}
+
+SrsHourGlass::SrsHourGlass(ISrsHourGlass* h, int resolution_ms)
+{
+    handler = h;
+    resolution = resolution_ms;
+    total_elapse = 0;
+}
+
+SrsHourGlass::~SrsHourGlass()
+{
+}
+
+int SrsHourGlass::tick(int type, int interval)
+{
+    int ret = ERROR_SUCCESS;
+    
+    if (resolution > 0 && (interval % resolution) != 0) {
+        ret = ERROR_SYSTEM_HOURGLASS_RESOLUTION;
+        srs_error("hourglass interval=%d invalid, resolution=%d. ret=%d", interval, resolution, ret);
+        return ret;
+    }
+    
+    ticks[type] = interval;
+    
+    return ret;
+}
+
+int SrsHourGlass::cycle()
+{
+    int ret = ERROR_SUCCESS;
+    
+    map<int, int>::iterator it;
+    for (it = ticks.begin(); it != ticks.end(); ++it) {
+        int type = it->first;
+        int interval = it->second;
+        
+        if (interval == 0 || (total_elapse % interval) == 0) {
+            if ((ret = handler->notify(type, interval, total_elapse)) != ERROR_SUCCESS) {
+                return ret;
+            }
+        }
+    }
+    
+    total_elapse += resolution;
+    st_usleep(resolution * 1000);
+    
+    return ret;
+}