for #319, raw api support update all globals.

@@ -922,18 +922,6 @@ int SrsConfig::reload_conf(SrsConfig* conf)
     //      chunk_size, ff_log_dir,
     //      bandcheck, http_hooks, heartbeat,
     //      security
-    
-    // merge config: max_connections
-    if (!srs_directive_equals(root->get("max_connections"), old_root->get("max_connections"))) {
-        for (it = subscribes.begin(); it != subscribes.end(); ++it) {
-            ISrsReloadHandler* subscribe = *it;
-            if ((ret = subscribe->on_reload_max_conns()) != ERROR_SUCCESS) {
-                srs_error("notify subscribes reload max_connections failed. ret=%d", ret);
-                return ret;
-            }
-        }
-        srs_trace("reload max_connections success.");
-    }
 
     // merge config: listen
     if (!srs_directive_equals(root->get("listen"), old_root->get("listen"))) {
@@ -970,16 +958,25 @@ int SrsConfig::reload_conf(SrsConfig* conf)
         }
     }
     
+    // merge config: max_connections
+    if (!srs_directive_equals(root->get("max_connections"), old_root->get("max_connections"))) {
+        if ((ret = do_reload_max_connections()) != ERROR_SUCCESS) {
+            return ret;
+        }
+    }
+    
+    // merge config: utc_time
+    if (!srs_directive_equals(root->get("utc_time"), old_root->get("utc_time"))) {
+        if ((ret = do_reload_utc_time()) != ERROR_SUCCESS) {
+            return ret;
+        }
+    }
+    
     // merge config: pithy_print_ms
     if (!srs_directive_equals(root->get("pithy_print_ms"), old_root->get("pithy_print_ms"))) {
-        for (it = subscribes.begin(); it != subscribes.end(); ++it) {
-            ISrsReloadHandler* subscribe = *it;
-            if ((ret = subscribe->on_reload_pithy_print()) != ERROR_SUCCESS) {
-                srs_error("notify subscribes pithy_print_ms listen failed. ret=%d", ret);
-                return ret;
-            }
+        if ((ret = do_reload_pithy_print_ms()) != ERROR_SUCCESS) {
+            return ret;
         }
-        srs_trace("reload pithy_print_ms success.");
     }
     
     // merge config: http_api
@@ -2376,6 +2373,81 @@ int SrsConfig::raw_set_srs_log_file(string srs_log_file, bool& applied)
     return ret;
 }
 
+int SrsConfig::raw_set_max_connections(string max_connections, bool& applied)
+{
+    int ret = ERROR_SUCCESS;
+    
+    applied = false;
+    
+    
+    SrsConfDirective* conf = root->get_or_create("max_connections");
+    
+    if (conf->arg0() == max_connections) {
+        return ret;
+    }
+    
+    conf->args.clear();
+    conf->args.push_back(max_connections);
+    
+    if ((ret = do_reload_max_connections()) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    applied = true;
+    
+    return ret;
+}
+
+int SrsConfig::raw_set_utc_time(string utc_time, bool& applied)
+{
+    int ret = ERROR_SUCCESS;
+    
+    applied = false;
+    
+    
+    SrsConfDirective* conf = root->get_or_create("utc_time");
+    
+    if (conf->arg0() == utc_time) {
+        return ret;
+    }
+    
+    conf->args.clear();
+    conf->args.push_back(utc_time);
+    
+    if ((ret = do_reload_utc_time()) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    applied = true;
+    
+    return ret;
+}
+
+int SrsConfig::raw_set_pithy_print_ms(string pithy_print_ms, bool& applied)
+{
+    int ret = ERROR_SUCCESS;
+    
+    applied = false;
+    
+    
+    SrsConfDirective* conf = root->get_or_create("pithy_print_ms");
+    
+    if (conf->arg0() == pithy_print_ms) {
+        return ret;
+    }
+    
+    conf->args.clear();
+    conf->args.push_back(pithy_print_ms);
+    
+    if ((ret = do_reload_pithy_print_ms()) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    applied = true;
+    
+    return ret;
+}
+
 int SrsConfig::do_reload_listen()
 {
     int ret = ERROR_SUCCESS;
@@ -2461,6 +2533,57 @@ int SrsConfig::do_reload_srs_log_file()
     return ret;
 }
 
+int SrsConfig::do_reload_max_connections()
+{
+    int ret = ERROR_SUCCESS;
+    
+    vector<ISrsReloadHandler*>::iterator it;
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_max_conns()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes reload max_connections failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload max_connections success.");
+    
+    return ret;
+}
+
+int SrsConfig::do_reload_utc_time()
+{
+    int ret = ERROR_SUCCESS;
+    
+    vector<ISrsReloadHandler*>::iterator it;
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_utc_time()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes utc_time failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload utc_time success.");
+    
+    return ret;
+}
+
+int SrsConfig::do_reload_pithy_print_ms()
+{
+    int ret = ERROR_SUCCESS;
+    
+    vector<ISrsReloadHandler*>::iterator it;
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_pithy_print()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes pithy_print_ms failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload pithy_print_ms success.");
+    
+    return ret;
+}
+
 string SrsConfig::config()
 {
     return config_file;
@@ -5989,6 +6112,11 @@ bool srs_stream_caster_is_flv(string caster)
     return caster == "flv";
 }
 
+string srs_config_bool2switch(const string& sbool)
+{
+    return sbool == "true"? "on":"off";
+}
+
 int srs_config_transform_vhost(SrsConfDirective* root)
 {
     int ret = ERROR_SUCCESS;

@@ -361,12 +361,27 @@ public:
      * raw set the global log file path for file tank.
      */
     virtual int raw_set_srs_log_file(std::string srs_log_file, bool& applied);
+    /**
+     * raw set the global max connections of srs.
+     */
+    virtual int raw_set_max_connections(std::string max_connections, bool& applied);
+    /**
+     * raw set the global whether use utc time.
+     */
+    virtual int raw_set_utc_time(std::string utc_time, bool& applied);
+    /**
+     * raw set the global pithy print interval in ms.
+     */
+    virtual int raw_set_pithy_print_ms(std::string pithy_print_ms, bool& applied);
 private:
     virtual int do_reload_listen();
     virtual int do_reload_pid();
     virtual int do_reload_srs_log_tank();
     virtual int do_reload_srs_log_level();
     virtual int do_reload_srs_log_file();
+    virtual int do_reload_max_connections();
+    virtual int do_reload_utc_time();
+    virtual int do_reload_pithy_print_ms();
 public:
     /**
      * get the config file path.
@@ -1279,6 +1294,11 @@ extern bool srs_stream_caster_is_rtsp(std::string caster);
 extern bool srs_stream_caster_is_flv(std::string caster);
 
 /**
+ * convert bool in str to on/off
+ */
+extern std::string srs_config_bool2switch(const std::string& sbool);
+
+/**
  * parse loaded vhost directives to compatible mode.
  * for exmaple, SRS1/2 use the follow refer style:
  *          refer   a.domain.com b.domain.com;

@@ -993,6 +993,9 @@ int SrsGoApiRaw::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
     //      srs_log_tank            file                        the tank to log, file or console.
     //      srs_log_level           trace                       the level of log, verbose, info, trace, warn, error.
     //      srs_log_file            ./objs/srs.log              the log file when tank is file.
+    //      max_connections         1000                        the max connections of srs.
+    //      utc_time                false                       whether enable utc time.
+    //      pithy_print_ms          10000                       the pithy print interval in ms.
     if (rpc == "update") {
         if (!allow_update) {
             ret = ERROR_SYSTEM_CONFIG_RAW_DISABLED;
@@ -1009,7 +1012,8 @@ int SrsGoApiRaw::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
         }
         if (scope != "listen" && scope != "pid" && scope != "chunk_size"
             && scope != "ff_log_dir" && scope != "srs_log_tank" && scope != "srs_log_level"
-            && scope != "srs_log_file"
+            && scope != "srs_log_file" && scope != "max_connections" && scope != "utc_time"
+            && scope != "pithy_print_ms"
         ) {
             ret = ERROR_SYSTEM_CONFIG_RAW_NOT_ALLOWED;
             srs_error("raw api query invalid scope=%s. ret=%d", scope.c_str(), ret);
@@ -1106,6 +1110,41 @@ int SrsGoApiRaw::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
                 srs_error("raw api update srs_log_file=%s failed. ret=%d", value.c_str(), ret);
                 return srs_api_response_code(w, r, ret);
             }
+        } else if (scope == "max_connections") {
+            int mcv = ::atoi(value.c_str());
+            if (mcv < 10 || mcv > 65535 || !srs_is_digit_number(value)) {
+                ret = ERROR_SYSTEM_CONFIG_RAW_PARAMS;
+                srs_error("raw api update check max_connections=%s/%d failed. ret=%d", value.c_str(), mcv, ret);
+                return srs_api_response_code(w, r, ret);
+            }
+            
+            if ((ret = _srs_config->raw_set_max_connections(value, applied)) != ERROR_SUCCESS) {
+                srs_error("raw api update max_connections=%s/%d failed. ret=%d", value.c_str(), mcv, ret);
+                return srs_api_response_code(w, r, ret);
+            }
+        } else if (scope == "utc_time") {
+            if (!srs_is_boolean(value)) {
+                ret = ERROR_SYSTEM_CONFIG_RAW_PARAMS;
+                srs_error("raw api update check utc_time=%s failed. ret=%d", value.c_str(), ret);
+                return srs_api_response_code(w, r, ret);
+            }
+            
+            if ((ret = _srs_config->raw_set_utc_time(srs_config_bool2switch(value), applied)) != ERROR_SUCCESS) {
+                srs_error("raw api update utc_time=%s failed. ret=%d", value.c_str(), ret);
+                return srs_api_response_code(w, r, ret);
+            }
+        } else if (scope == "pithy_print_ms") {
+            int ppmv = ::atoi(value.c_str());
+            if (ppmv < 100 || ppmv > 300000 || !srs_is_digit_number(value)) {
+                ret = ERROR_SYSTEM_CONFIG_RAW_PARAMS;
+                srs_error("raw api update check pithy_print_ms=%s/%d failed. ret=%d", value.c_str(), ppmv, ret);
+                return srs_api_response_code(w, r, ret);
+            }
+            
+            if ((ret = _srs_config->raw_set_pithy_print_ms(value, applied)) != ERROR_SUCCESS) {
+                srs_error("raw api update pithy_print_ms=%s/%d failed. ret=%d", value.c_str(), ppmv, ret);
+                return srs_api_response_code(w, r, ret);
+            }
         }
         
         // whether the config applied.

@@ -86,6 +86,7 @@ SrsFastLog::SrsFastLog()
 
     fd = -1;
     log_to_file_tank = false;
+    utc = false;
 }
 
 SrsFastLog::~SrsFastLog()
@@ -111,6 +112,7 @@ int SrsFastLog::initialize()
     
         log_to_file_tank = _srs_config->get_log_tank_file();
         _level = srs_get_log_level(_srs_config->get_log_level());
+        utc = _srs_config->get_utc_time();
     }
     
     return ret;
@@ -221,6 +223,13 @@ void SrsFastLog::error(const char* tag, int context_id, const char* fmt, ...)
     write_log(fd, log_data, size, SrsLogLevel::Error);
 }
 
+int SrsFastLog::on_reload_utc_time()
+{
+    utc = _srs_config->get_utc_time();
+    
+    return ERROR_SUCCESS;
+}
+
 int SrsFastLog::on_reload_log_tank()
 {
     int ret = ERROR_SUCCESS;
@@ -291,7 +300,7 @@ bool SrsFastLog::generate_header(bool error, const char* tag, int context_id, co
     
     // to calendar time
     struct tm* tm;
-    if (_srs_config && _srs_config->get_utc_time()) {
+    if (utc) {
         if ((tm = gmtime(&tv.tv_sec)) == NULL) {
             return false;
         }

@@ -73,6 +73,8 @@ private:
     int fd;
     // whether log to file tank
     bool log_to_file_tank;
+    // whether use utc time.
+    bool utc;
 public:
     SrsFastLog();
     virtual ~SrsFastLog();
@@ -85,6 +87,7 @@ public:
     virtual void error(const char* tag, int context_id, const char* fmt, ...);
 // interface ISrsReloadHandler.
 public:
+    virtual int on_reload_utc_time();
     virtual int on_reload_log_tank();
     virtual int on_reload_log_level();
     virtual int on_reload_log_file();

@@ -45,6 +45,11 @@ int ISrsReloadHandler::on_reload_max_conns()
     return ERROR_SUCCESS;
 }
 
+int ISrsReloadHandler::on_reload_utc_time()
+{
+    return ERROR_SUCCESS;
+}
+
 int ISrsReloadHandler::on_reload_pid()
 {
     return ERROR_SUCCESS;

@@ -45,6 +45,7 @@ public:
     virtual ~ISrsReloadHandler();
 public:
     virtual int on_reload_max_conns();
+    virtual int on_reload_utc_time();
     virtual int on_reload_listen();
     virtual int on_reload_pid();
     virtual int on_reload_log_tank();

@@ -1367,6 +1367,11 @@ bool srs_is_digit_number(const string& str)
     return  v / powv >= 1 && v / powv <= 9;
 }
 
+bool srs_is_boolean(const string& str)
+{
+    return str == "true" || str == "false";
+}
+
 void srs_api_dump_summaries(SrsAmf0Object* obj)
 {
     SrsRusage* r = srs_get_system_rusage();

@@ -675,6 +675,11 @@ extern std::string srs_get_peer_ip(int fd);
 //      is_digit("1234567890a") === false
 //      is_digit("a1234567890") === false
 extern bool srs_is_digit_number(const std::string& str);
+// whether string is boolean
+//      is_bool("true") == true
+//      is_bool("false") == true
+//      otherwise, false.
+extern bool srs_is_boolean(const std::string& str);
 
 // dump summaries for /api/v1/summaries.
 extern void srs_api_dump_summaries(SrsAmf0Object* obj);