support asprocess for oryx. 2.0.218

@@ -343,6 +343,7 @@ Remark:
 
 ## History
 
+* v2.0, 2016-09-23, support asprocess for oryx. 2.0.218
 * v2.0, 2016-09-23, support change work_dir for oryx.
 * v2.0, 2016-09-15, fix #640, typo for rtmp type. 2.0.217
 * v2.0, 2016-09-12, fix fast stream error bug. 2.0.216

@@ -55,6 +55,13 @@ utc_time            off;
 # @reamrk do not support reload.
 # default: ./
 work_dir ./;
+# whether quit when parent process changed,
+# used for supervisor mode(not daemon), srs should always quit when 
+# supervisor process exited.
+# @remark conflict with daemon, error when both daemon and asprocess are on.
+# @reamrk do not support reload.
+# default: off
+asprocess off;
 
 #############################################################################################
 # heartbeat/stats sections

@@ -1567,7 +1567,7 @@ int SrsConfig::check_config()
             && n != "max_connections" && n != "daemon" && n != "heartbeat"
             && n != "http_api" && n != "stats" && n != "vhost" && n != "pithy_print_ms"
             && n != "http_stream" && n != "http_server" && n != "stream_caster"
-            && n != "utc_time" && n != "work_dir"
+            && n != "utc_time" && n != "work_dir" && n != "asprocess"
         ) {
             ret = ERROR_SYSTEM_CONFIG_INVALID;
             srs_error("unsupported directive %s, ret=%d", n.c_str(), ret);
@@ -2055,6 +2055,13 @@ int SrsConfig::check_config()
         // TODO: FIXME: required http server when hls storage is ram or both.
     }
     
+    // asprocess conflict with daemon
+    if (get_asprocess() && get_deamon()) {
+        ret = ERROR_SYSTEM_CONFIG_INVALID;
+        srs_error("daemon conflict with asprocess, ret=%d", ret);
+        return ret;
+    }
+    
     return ret;
 }
 
@@ -2183,6 +2190,18 @@ string SrsConfig::get_work_dir() {
     return conf->arg0();
 }
 
+bool SrsConfig::get_asprocess()
+{
+    static bool DEFAULT = false;
+    
+    SrsConfDirective* conf = root->get("asprocess");
+    if (!conf || conf->arg0().empty()) {
+        return DEFAULT;
+    }
+    
+    return SRS_CONF_PERFER_FALSE(conf->arg0());
+}
+
 vector<SrsConfDirective*> SrsConfig::get_stream_casters()
 {
     srs_assert(root);

@@ -379,6 +379,8 @@ public:
      * ignore if empty string.
      */
     virtual std::string         get_work_dir();
+    // whether use asprocess mode.
+    virtual bool                get_asprocess();
 // stream_caster section
 public:
     /**

@@ -488,6 +488,7 @@ SrsServer::SrsServer()
     signal_manager = NULL;
     
     handler = NULL;
+    ppid = -1;
     
     // donot new object in constructor,
     // for some global instance is not ready now,
@@ -635,7 +636,16 @@ int SrsServer::initialize_st()
     
     // set current log id.
     _srs_context->generate_id();
-    srs_trace("server main cid=%d", _srs_context->get_id());
+    
+    // check asprocess.
+    bool asprocess = _srs_config->get_asprocess();
+    if (ppid == 1) {
+        ret = ERROR_SYSTEM_ASSERT_FAILED;
+        srs_error("for asprocess, ppid should never be init(1), ret=%d", ret);
+        return ret;
+    }
+    srs_trace("server main cid=%d, pid=%d, ppid=%d, asprocess=%d",
+        _srs_context->get_id(), ::getpid(), ppid, asprocess);
     
     return ret;
 }
@@ -945,6 +955,9 @@ int SrsServer::do_cycle()
     max = srs_max(max, SRS_SYS_NETWORK_RTMP_SERVER_RESOLUTION_TIMES);
 #endif
     
+    // for asprocess.
+    bool asprocess = _srs_config->get_asprocess();
+    
     // the deamon thread, update the time cache
     while (true) {
         if(handler && (ret = handler->on_cycle((int)conns.size())) != ERROR_SUCCESS){
@@ -962,6 +975,12 @@ int SrsServer::do_cycle()
         for (int i = 0; i < temp_max; i++) {
             st_usleep(SRS_SYS_CYCLE_INTERVAL * 1000);
             
+            // asprocess check.
+            if (asprocess && ::getppid() != ppid) {
+                srs_warn("asprocess ppid changed from %d to %d", ppid, ::getppid());
+                return ret;
+            }
+            
             // gracefully quit for SIGINT or SIGTERM.
             if (signal_gracefully_quit) {
                 srs_trace("cleanup for gracefully terminate.");

@@ -277,6 +277,8 @@ private:
     bool signal_reload;
     bool signal_gmc_stop;
     bool signal_gracefully_quit;
+    // parent pid for asprocess.
+    int ppid;
 public:
     SrsServer();
     virtual ~SrsServer();

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR       2
 #define VERSION_MINOR       0
-#define VERSION_REVISION    217
+#define VERSION_REVISION    218
 
 // generated by configure, only macros.
 #include <srs_auto_headers.hpp>