add threading.Lock for cherrypy, or performance suffer.

@@ -368,7 +368,8 @@ class RESTServers(object):
         self.__nodes = []
         
         self.__last_update = datetime.datetime.now();
-        server_ip = "192.168.1.142";
+        
+        self.__lock = threading.Lock()
         
     def __get_node(self, device_id):
         for node in self.__nodes:
@@ -415,28 +416,33 @@ class RESTServers(object):
     '''
     def POST(self):
         enable_crossdomain()
-
-        req = cherrypy.request.body.read()
-        trace("post to nodes, req=%s"%(req))
+        
         try:
-            json_req = json.loads(req)
-        except Exception, ex:
-            code = Error.system_parse_json
-            trace("parse the request to json failed, req=%s, ex=%s, code=%s"%(req, ex, code))
-            return json.dumps({"code":code, "data": None})
+            self.__lock.acquire()
+
+            req = cherrypy.request.body.read()
+            trace("post to nodes, req=%s"%(req))
+            try:
+                json_req = json.loads(req)
+            except Exception, ex:
+                code = Error.system_parse_json
+                trace("parse the request to json failed, req=%s, ex=%s, code=%s"%(req, ex, code))
+                return json.dumps({"code":code, "data": None})
+                
+            device_id = json_req["device_id"]
+            node = self.__get_node(device_id)
+            if node is None:
+                node = ArmServer()
+                self.__nodes.append(node)
+                
+            node.ip = json_req["ip"]
+            node.device_id = device_id
+            node.public_ip = cherrypy.request.remote.ip
+            node.heartbeat = time.time()
             
-        device_id = json_req["device_id"]
-        node = self.__get_node(device_id)
-        if node is None:
-            node = ArmServer()
-            self.__nodes.append(node)
-            
-        node.ip = json_req["ip"]
-        node.device_id = device_id
-        node.public_ip = cherrypy.request.remote.ip
-        node.heartbeat = time.time()
-        
-        return json.dumps({"code":Error.success, "data": {"id":node.id}})
+            return json.dumps({"code":Error.success, "data": {"id":node.id}})
+        finally:
+            self.__lock.release()
     
     '''
     id canbe:
@@ -455,58 +461,63 @@ class RESTServers(object):
     def GET(self, id=None, action="play", stream="live/livestream", index=None, local="false", device_id=None):
         enable_crossdomain()
         
-        self.__refresh_nodes()
-        data = self.__json_dump_nodes(self.__nodes)
-        
-        server_ip = "demo.chnvideo.com"
-        ip = cherrypy.request.remote.ip
-        if type is not None:
-            peers = self.__get_peers_for_play(device_id)
-            if len(peers) > 0:
-                server_ip = self.__select_peer(peers, device_id)
+        try:
+            self.__lock.acquire()
         
-        # demo, srs meeting urls.
-        if id == "meeting":
-            if index is None:
-                url = "http://%s:8085"%(server_ip)
-            elif local == "true":
-                url = "http://%s:8085/api/v1/servers?id=%s&index=%s&local=false"%(server_ip, id, index)
-            else:
-                rtmp_url = root.api.v1.chats.get_url_by_index(index)
-                if rtmp_url is None:
-                    return "meeting stream not found"
-                urls = rtmp_url.replace("...vhost...", "?vhost=").replace("rtmp://", "").split("/")
-                hls_url = "http://%s:8080/%s/%s.m3u8"%(urls[0].strip(":19350").strip(":1935"), urls[1].split("?")[0], urls[2])
-                return self.__generate_hls(hls_url)
-        # raspberry-pi urls.
-        elif id == "ingest" or id == "pi":
-            if action == "play":
-                url = "http://%s:8080/%s.html"%(server_ip, stream)
-            elif action == "rtmp":
-                url = "../../players/srs_player.html?server=%s&vhost=%s&app=%s&stream=%s&autostart=true"%(server_ip, server_ip, stream.split("/")[0], stream.split("/")[1])
-            elif action == "hls":
-                hls_url = "http://%s:8080/%s.m3u8"%(server_ip, stream);
-                if stream.startswith("http://"):
-                    hls_url = stream;
-                return self.__generate_hls(hls_url.replace(".m3u8.m3u8", ".m3u8"))
+            self.__refresh_nodes()
+            data = self.__json_dump_nodes(self.__nodes)
+            
+            server_ip = "demo.chnvideo.com"
+            ip = cherrypy.request.remote.ip
+            if type is not None:
+                peers = self.__get_peers_for_play(device_id)
+                if len(peers) > 0:
+                    server_ip = self.__select_peer(peers, device_id)
+            
+            # demo, srs meeting urls.
+            if id == "meeting":
+                if index is None:
+                    url = "http://%s:8085"%(server_ip)
+                elif local == "true":
+                    url = "http://%s:8085/api/v1/servers?id=%s&index=%s&local=false"%(server_ip, id, index)
+                else:
+                    rtmp_url = root.api.v1.chats.get_url_by_index(index)
+                    if rtmp_url is None:
+                        return "meeting stream not found"
+                    urls = rtmp_url.replace("...vhost...", "?vhost=").replace("rtmp://", "").split("/")
+                    hls_url = "http://%s:8080/%s/%s.m3u8"%(urls[0].strip(":19350").strip(":1935"), urls[1].split("?")[0], urls[2])
+                    return self.__generate_hls(hls_url)
+            # raspberry-pi urls.
+            elif id == "ingest" or id == "pi":
+                if action == "play":
+                    url = "http://%s:8080/%s.html"%(server_ip, stream)
+                elif action == "rtmp":
+                    url = "../../players/srs_player.html?server=%s&vhost=%s&app=%s&stream=%s&autostart=true"%(server_ip, server_ip, stream.split("/")[0], stream.split("/")[1])
+                elif action == "hls":
+                    hls_url = "http://%s:8080/%s.m3u8"%(server_ip, stream);
+                    if stream.startswith("http://"):
+                        hls_url = stream;
+                    return self.__generate_hls(hls_url.replace(".m3u8.m3u8", ".m3u8"))
+                else:
+                    url = "http://%s:8080/api/v1/versions"%(server_ip)
+            elif id == "gslb":
+                return json.dumps({"code":Error.success, "data": {
+                    "edge":server_ip, "client":ip, 
+                    "peers":self.__json_dump_nodes(peers),
+                    "streams": {
+                        "hls-livestream-sales": "http://demo.chnvideo.com:8085/api/v1/servers?id=ingest&action=hls&device_id=chnvideo-sales-arm&stream=live/livestream",
+                        "hls-cztv-sales": "http://demo.chnvideo.com:8085/api/v1/servers?id=ingest&action=hls&device_id=chnvideo-sales-arm&stream=live/rtmp_cztv01-sd",
+                        "hls-livestream-dev": "http://demo.chnvideo.com:8085/api/v1/servers?id=ingest&action=hls&device_id=chnvideo-dev-arm&stream=live/livestream",
+                        "hls-cztv-dev": "http://demo.chnvideo.com:8085/api/v1/servers?id=ingest&action=hls&device_id=chnvideo-dev-arm&stream=live/rtmp_cztv01-sd"
+                    }
+                }})
+            # others, default.
             else:
-                url = "http://%s:8080/api/v1/versions"%(server_ip)
-        elif id == "gslb":
-            return json.dumps({"code":Error.success, "data": {
-                "edge":server_ip, "client":ip, 
-                "peers":self.__json_dump_nodes(peers),
-                "streams": {
-                    "hls-livestream-sales": "http://demo.chnvideo.com:8085/api/v1/servers?id=ingest&action=hls&device_id=chnvideo-sales-arm&stream=live/livestream",
-                    "hls-cztv-sales": "http://demo.chnvideo.com:8085/api/v1/servers?id=ingest&action=hls&device_id=chnvideo-sales-arm&stream=live/rtmp_cztv01-sd",
-                    "hls-livestream-dev": "http://demo.chnvideo.com:8085/api/v1/servers?id=ingest&action=hls&device_id=chnvideo-dev-arm&stream=live/livestream",
-                    "hls-cztv-dev": "http://demo.chnvideo.com:8085/api/v1/servers?id=ingest&action=hls&device_id=chnvideo-dev-arm&stream=live/rtmp_cztv01-sd"
-                }
-            }})
-        # others, default.
-        else:
-            return json.dumps(data)
-        #return "id=%s, action=%s, stream=%s, url=%s, index=%s, local=%s"%(id, action, stream, url, index, local)
-        raise cherrypy.HTTPRedirect(url)
+                return json.dumps(data)
+            #return "id=%s, action=%s, stream=%s, url=%s, index=%s, local=%s"%(id, action, stream, url, index, local)
+            raise cherrypy.HTTPRedirect(url)
+        finally:
+            self.__lock.release()
 
     def DELETE(self, id):
         enable_crossdomain()
@@ -577,6 +588,10 @@ class RESTNodes(object):
     
     def __init__(self):
         self.__nodes = []
+        # @remark, if there is shared data, such as the self.__nodes,
+        # we must use lock for cherrypy, or the cpu of cherrypy will high
+        # and performance suffer.
+        self.__lock = threading.Lock()
         
     def __get_node(self, id):
         for node in self.__nodes:
@@ -629,113 +644,128 @@ class RESTNodes(object):
     def GET(self, type=None, format=None, origin=None, vhost=None, port=None, stream=None, node_id=None):
         enable_crossdomain()
         
-        self.__refresh_nodes()
-        data = self.__json_dump_nodes(self.__nodes)
-        
-        ip = cherrypy.request.remote.ip
-        if type is not None:
-            server = origin
-            peers = self.__get_peers_for_play(ip)
-            if len(peers) > 0:
-                server = self.__select_peer(peers, ip)
-            if type == "hls":
-                hls_url = "http://%s:%s/%s.m3u8"%(server, port, stream)
-                hls_url = hls_url.replace(".m3u8.m3u8", ".m3u8")
-                if format == "html":
-                    return SrsUtility().hls_html(hls_url)
-                else:
-                    #return hls_url
-                    raise cherrypy.HTTPRedirect(hls_url)
-            elif type == "rtmp":
-                rtmp_url = "rtmp://%s:%s/%s?vhost=%s/%s"%(server, port, stream.split("/")[0], vhost, stream.split("/")[1])
-                if format == "html":
-                    html = "%s?server=%s&port=%s&vhost=%s&app=%s&stream=%s&autostart=true"%(
-                        "http://demo.chnvideo.com:8085/srs/trunk/research/players/srs_player.html",
-                        server, port, vhost, stream.split("/")[0], stream.split("/")[1])
-                    #return html
-                    raise cherrypy.HTTPRedirect(html)
-                return rtmp_url
-            elif type == "gslb":
-                return json.dumps({"code":Error.success, "data": {
-                    "edge":server, "client":ip, 
-                    "peers":self.__json_dump_nodes(peers),
-                    "streams": {
-                        "hls-cztv-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=html&origin=demo.chnvideo.com&port=8080&stream=live/rtmp_cztv01-sd",
-                        "hls-cztv-m3u8": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=m3u8&origin=demo.chnvideo.com&port=8080&stream=live/rtmp_cztv01-sd",
-                        "rtmp-cztv-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=rtmp&format=html&origin=demo.chnvideo.com&vhost=__defaultVhost__&port=1935&stream=live/rtmp_cztv01-sd",
-                        "hls-livestream-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=html&origin=demo.chnvideo.com&port=8080&stream=live/livestream",
-                        "hls-livestream-m3u8": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=m3u8&origin=demo.chnvideo.com&port=8080&stream=live/livestream",
-                        "rtmp-livestream-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=rtmp&format=html&origin=demo.chnvideo.com&vhost=demo.srs.com&port=1935&stream=live/livestream",
-                        "apk": "http://demo.chnvideo.com/android.srs.apk"
-                    }
-                }})
+        try:
+            self.__lock.acquire()
         
-        return json.dumps({"code":Error.success, "data": data})
+            self.__refresh_nodes()
+            data = self.__json_dump_nodes(self.__nodes)
+            
+            ip = cherrypy.request.remote.ip
+            if type is not None:
+                server = origin
+                peers = self.__get_peers_for_play(ip)
+                if len(peers) > 0:
+                    server = self.__select_peer(peers, ip)
+                if type == "hls":
+                    hls_url = "http://%s:%s/%s.m3u8"%(server, port, stream)
+                    hls_url = hls_url.replace(".m3u8.m3u8", ".m3u8")
+                    if format == "html":
+                        return SrsUtility().hls_html(hls_url)
+                    else:
+                        #return hls_url
+                        raise cherrypy.HTTPRedirect(hls_url)
+                elif type == "rtmp":
+                    rtmp_url = "rtmp://%s:%s/%s?vhost=%s/%s"%(server, port, stream.split("/")[0], vhost, stream.split("/")[1])
+                    if format == "html":
+                        html = "%s?server=%s&port=%s&vhost=%s&app=%s&stream=%s&autostart=true"%(
+                            "http://demo.chnvideo.com:8085/srs/trunk/research/players/srs_player.html",
+                            server, port, vhost, stream.split("/")[0], stream.split("/")[1])
+                        #return html
+                        raise cherrypy.HTTPRedirect(html)
+                    return rtmp_url
+                elif type == "gslb":
+                    return json.dumps({"code":Error.success, "data": {
+                        "edge":server, "client":ip, 
+                        "peers":self.__json_dump_nodes(peers),
+                        "streams": {
+                            "hls-cztv-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=html&origin=demo.chnvideo.com&port=8080&stream=live/rtmp_cztv01-sd",
+                            "hls-cztv-m3u8": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=m3u8&origin=demo.chnvideo.com&port=8080&stream=live/rtmp_cztv01-sd",
+                            "rtmp-cztv-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=rtmp&format=html&origin=demo.chnvideo.com&vhost=__defaultVhost__&port=1935&stream=live/rtmp_cztv01-sd",
+                            "hls-livestream-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=html&origin=demo.chnvideo.com&port=8080&stream=live/livestream",
+                            "hls-livestream-m3u8": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=m3u8&origin=demo.chnvideo.com&port=8080&stream=live/livestream",
+                            "rtmp-livestream-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=rtmp&format=html&origin=demo.chnvideo.com&vhost=demo.srs.com&port=1935&stream=live/livestream",
+                            "apk": "http://demo.chnvideo.com/android.srs.apk"
+                        }
+                    }})
+            
+            return json.dumps({"code":Error.success, "data": data})
+        finally:
+            self.__lock.release()
 
     def PUT(self):
         enable_crossdomain()
-
-        req = cherrypy.request.body.read()
-        trace("put to nodes, req=%s"%(req))
-        try:
-            json_req = json.loads(req)
-        except Exception, ex:
-            code = Error.system_parse_json
-            trace("parse the request to json failed, req=%s, ex=%s, code=%s"%(req, ex, code))
-            return json.dumps({"code":code, "data": None})
         
-        id = str(json_req["id"])
-        node = self.__get_node(id)
-        if node is None:
-            code = Error.cdn_node_not_exists
-            trace("cdn node not exists, req=%s, id=%s, code=%s"%(req, id, code))
-            return json.dumps({"code":code, "data": None})
-        
-        node.heartbeat = time.time()
-        node.srs_status = str(json_req["srs_status"])
-        node.ip = str(json_req["ip"])
-        if "origin" in json_req:
-            node.origin = str(json_req["origin"]);
-        node.public_ip = cherrypy.request.remote.ip
-        # reset if restart.
-        if node.srs_status != "running":
-            node.clients = 0
+        try:
+            self.__lock.acquire()
+
+            req = cherrypy.request.body.read()
+            trace("put to nodes, req=%s"%(req))
+            try:
+                json_req = json.loads(req)
+            except Exception, ex:
+                code = Error.system_parse_json
+                trace("parse the request to json failed, req=%s, ex=%s, code=%s"%(req, ex, code))
+                return json.dumps({"code":code, "data": None})
             
-        self.__refresh_nodes()
-        peers = self.__get_peers(node)
-        peers_data = self.__json_dump_nodes(peers)
+            id = str(json_req["id"])
+            node = self.__get_node(id)
+            if node is None:
+                code = Error.cdn_node_not_exists
+                trace("cdn node not exists, req=%s, id=%s, code=%s"%(req, id, code))
+                return json.dumps({"code":code, "data": None})
             
-        res = json.dumps({"code":Error.success, "data": {"id":node.id, "peers":peers_data}})
-        trace(res)
-        return res
+            node.heartbeat = time.time()
+            node.srs_status = str(json_req["srs_status"])
+            node.ip = str(json_req["ip"])
+            if "origin" in json_req:
+                node.origin = str(json_req["origin"]);
+            node.public_ip = cherrypy.request.remote.ip
+            # reset if restart.
+            if node.srs_status != "running":
+                node.clients = 0
+                
+            self.__refresh_nodes()
+            peers = self.__get_peers(node)
+            peers_data = self.__json_dump_nodes(peers)
+                
+            res = json.dumps({"code":Error.success, "data": {"id":node.id, "peers":peers_data}})
+            trace(res)
+            return res
+        finally:
+            self.__lock.release()
 
     def POST(self):
         enable_crossdomain()
-
-        req = cherrypy.request.body.read()
-        trace("post to nodes, req=%s"%(req))
+        
         try:
-            json_req = json.loads(req)
-        except Exception, ex:
-            code = Error.system_parse_json
-            trace("parse the request to json failed, req=%s, ex=%s, code=%s"%(req, ex, code))
-            return json.dumps({"code":code, "data": None})
-            
-        node = CdnNode()
-        node.ip = str(json_req["ip"]);
-        node.os = str(json_req["os"]);
-        if "origin" in json_req:
-            node.origin = str(json_req["origin"]);
-        node.srs_status = str(json_req["srs_status"])
-        self.__nodes.append(node)
+            self.__lock.acquire()
+
+            req = cherrypy.request.body.read()
+            trace("post to nodes, req=%s"%(req))
+            try:
+                json_req = json.loads(req)
+            except Exception, ex:
+                code = Error.system_parse_json
+                trace("parse the request to json failed, req=%s, ex=%s, code=%s"%(req, ex, code))
+                return json.dumps({"code":code, "data": None})
+                
+            node = CdnNode()
+            node.ip = str(json_req["ip"]);
+            node.os = str(json_req["os"]);
+            if "origin" in json_req:
+                node.origin = str(json_req["origin"]);
+            node.srs_status = str(json_req["srs_status"])
+            self.__nodes.append(node)
+                
+            self.__refresh_nodes()
+            peers = self.__get_peers(node)
+            peers_data = self.__json_dump_nodes(peers)
             
-        self.__refresh_nodes()
-        peers = self.__get_peers(node)
-        peers_data = self.__json_dump_nodes(peers)
-        
-        res = json.dumps({"code":Error.success, "data": {"id":node.id, "peers":peers_data}})
-        trace(res)
-        return res
+            res = json.dumps({"code":Error.success, "data": {"id":node.id, "peers":peers_data}})
+            trace(res)
+            return res
+        finally:
+            self.__lock.release()
         
     def OPTIONS(self, *args, **kwargs):
         enable_crossdomain()
@@ -966,7 +996,8 @@ conf = {
         'server.socket_port': port,
         'tools.encode.on': True,
         'tools.staticdir.on': True,
-        'tools.encode.encoding': "utf-8"
+        'tools.encode.encoding': "utf-8",
+        'server.thread_pool': 2, # single thread server.
     },
     '/': {
         'tools.staticdir.dir': static_dir,