completed the edge reload, to 0.9.79

@@ -763,6 +763,18 @@ int SrsConfig::reload_vhost(SrsConfDirective* old_root)
         SrsConfDirective* old_vhost = old_root->get("vhost", vhost);
         SrsConfDirective* new_vhost = root->get("vhost", vhost);
         
+        // mode, never supports reload.
+        // first, for the origin and edge role change is too complex.
+        // second, the vhosts in origin device group normally are all origin,
+        //      they never change to edge sometimes.
+        // third, the origin or upnode device can always be restart,
+        //      edge will retry and the users connected to edge are ok.
+        if (get_vhost_is_edge(old_vhost) != get_vhost_is_edge(new_vhost)) {
+            ret = ERROR_RTMP_EDGE_RELOAD;
+            srs_error("reload never supports mode changed. ret=%d", ret);
+            return ret;
+        }
+        
         //      DISABLED    =>  ENABLED
         if (!get_vhost_enabled(old_vhost) && get_vhost_enabled(new_vhost)) {
             srs_trace("vhost %s added, reload it.", vhost.c_str());
@@ -1823,6 +1835,12 @@ int SrsConfig::get_bw_check_limit_kbps(const string &vhost)
 bool SrsConfig::get_vhost_is_edge(std::string vhost)
 {
     SrsConfDirective* conf = get_vhost(vhost);
+    return get_vhost_is_edge(conf);
+}
+
+bool SrsConfig::get_vhost_is_edge(SrsConfDirective* vhost)
+{
+    SrsConfDirective* conf = vhost;
     
     if (!conf) {
         return false;

@@ -195,6 +195,7 @@ public:
 // vhost edge section
 public:
     virtual bool                get_vhost_is_edge(std::string vhost);
+    virtual bool                get_vhost_is_edge(SrsConfDirective* vhost);
     virtual SrsConfDirective*   get_vhost_edge_origin(std::string vhost);
 // vhost transcode section
 public:

@@ -252,7 +252,6 @@ int SrsEdgeIngester::connect_server()
     // reopen
     close_underlayer_socket();
     
-    // TODO: FIXME: support reload
     SrsConfDirective* conf = _srs_config->get_vhost_edge_origin(_req->vhost);
     srs_assert(conf);
     
@@ -494,6 +493,7 @@ int SrsEdgeForwarder::proxy(SrsCommonMessage* msg)
         return ret;
     }
     
+    // TODO: FIXME: use utility to copy msg to shared ptr msg.
     SrsSharedPtrMessage* copy = new SrsSharedPtrMessage();
     SrsAutoFree(SrsSharedPtrMessage, copy, false);
     if ((ret = copy->initialize(msg)) != ERROR_SUCCESS) {
@@ -522,7 +522,6 @@ int SrsEdgeForwarder::connect_server()
     // reopen
     close_underlayer_socket();
     
-    // TODO: FIXME: support reload
     SrsConfDirective* conf = _srs_config->get_vhost_edge_origin(_req->vhost);
     srs_assert(conf);
     

@@ -152,7 +152,6 @@ private:
 * play edge control service.
 * downloading edge speed-up.
 */
-// TODO: FIXME: support reload
 class SrsPlayEdge
 {
 private:
@@ -183,7 +182,6 @@ public:
 * publish edge control service.
 * uploading edge speed-up.
 */
-// TODO: FIXME: support reload
 class SrsPublishEdge
 {
 private:

@@ -34,6 +34,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 /**
 * the handler for config reload.
 * when reload callback, the config is updated yet.
+* 
+* features not support reload, 
+* @see: https://github.com/winlinvip/simple-rtmp-server/wiki/Reload#notsupportedfeatures
 */
 class ISrsReloadHandler
 {

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR "0"
 #define VERSION_MINOR "9"
-#define VERSION_REVISION "78"
+#define VERSION_REVISION "79"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "srs"

@@ -82,6 +82,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // invalid state for client to publish edge stream.
 #define ERROR_RTMP_EDGE_PUBLISH_STATE       321
 #define ERROR_RTMP_EDGE_PROXY_PULL          322
+#define ERROR_RTMP_EDGE_RELOAD              323
 
 #define ERROR_SYSTEM_STREAM_INIT            400
 #define ERROR_SYSTEM_PACKET_INVALID         401