PingSocket

232     internal IEnumerator PingAvailableRegionsCoroutine(bool connectToBest)
233     {
234         BestRegionCodeCurrently = CloudRegionCode.none;
235         while (PhotonNetwork.networkingPeer.AvailableRegions == null)
236         {
237             if (PhotonNetwork.connectionStateDetailed != PeerState.ConnectingToNameServer && PhotonNetwork.connectionStateDetailed != PeerState.ConnectedToNameServer)
238             {
239                 Debug.LogError("Call ConnectToNameServer to ping available regions.");
240                 yield break; // break if we don't connect to the nameserver at all
241             }
242
243             Debug.Log("Waiting for AvailableRegions. State: " + PhotonNetwork.connectionStateDetailed + " Server: " + PhotonNetwork.Server + " PhotonNetwork.networkingPeer.AvailableRegions " + (PhotonNetwork.networkingPeer.AvailableRegions != null));
244             yield return new WaitForSeconds(0.25f); // wait until pinging finished (offline mode won't ping)
245         }
246
247         if (PhotonNetwork.networkingPeer.AvailableRegions == null || PhotonNetwork.networkingPeer.AvailableRegions.Count == 0)
248         {
249             Debug.LogError("No regions available. Are you sure your appid is valid and setup?");
250             yield break; // break if we don't get regions at all
251         }
252
253         //#if !UNITY_EDITOR && (UNITY_ANDROID || UNITY_IPHONE)
254         //#pragma warning disable 0162 // the library variant defines if we should use PUN's SocketUdp variant (at all)
255         //if (PhotonPeer.NoSocket)
256         //{
257         // if (PhotonNetwork.logLevel >= PhotonLogLevel.Informational)
258         // {
259         // Debug.Log("PUN disconnects to re-use native sockets for pining servers and to find the best.");
260         // }
261         // PhotonNetwork.Disconnect();
262         //}
263         //#pragma warning restore 0162
264         //#endif
265
266         PhotonPingManager pingManager = new PhotonPingManager();
267         foreach (Region region in PhotonNetwork.networkingPeer.AvailableRegions)
268         {
269             SP.StartCoroutine(pingManager.PingSocket(region));
270         }
271
272         while (!pingManager.Done)
273         {
274             yield return new WaitForSeconds(0.1f); // wait until pinging finished (offline mode won't ping)
275         }
276
277
278         Region best = pingManager.BestRegion;
279         PhotonHandler.BestRegionCodeCurrently = best.Code;
280         PhotonHandler.BestRegionCodeInPreferences = best.Code;
281
282         Debug.Log("Found best region: " + best.Code + " ping: " + best.Ping + ". Calling ConnectToRegionMaster() is: " + connectToBest);
283
284
285         if (connectToBest)
286         {
287             PhotonNetwork.networkingPeer.ConnectToRegionMaster(best.Code);
288         }
289     }

118     public IEnumerator PingSocket(Region region)
119     {
120         region.Ping = Attempts*MaxMilliseconsPerPing;
121
122         this.PingsRunning++; // TODO: Add try-catch to make sure the PingsRunning are reduced at the end and that the lib does not crash the app
123         PhotonPing ping;
124         //Debug.Log("PhotonHandler.PingImplementation " + PhotonHandler.PingImplementation);
125         if (PhotonHandler.PingImplementation == typeof(PingNativeDynamic))
126         {
127             Debug.Log("Using constructor for new PingNativeDynamic()"); // it seems on android, the Activator can't find the default Constructor
128             ping = new PingNativeDynamic();
129         }
130         else
131         {
132             ping = (PhotonPing)Activator.CreateInstance(PhotonHandler.PingImplementation);
133         }
134
135         //Debug.Log("Ping is: " + ping + " type " + ping.GetType());
136
137         float rttSum = 0.0f;
138         int replyCount = 0;
139
140
141         // PhotonPing.StartPing() requires a plain IP address without port (on all but Windows 8 platforms).
142         // So: remove port and do the DNS-resolving if needed
143         string cleanIpOfRegion = region.HostAndPort;
144         int indexOfColon = cleanIpOfRegion.LastIndexOf(':');
145         if (indexOfColon > 1)
146         {
147             cleanIpOfRegion = cleanIpOfRegion.Substring(0, indexOfColon);
148         }
149         cleanIpOfRegion = ResolveHost(cleanIpOfRegion);
150         //Debug.Log("Resolved and port-less IP is: " + cleanIpOfRegion);
151
152
153         for (int i = 0; i < Attempts; i++)
154         {
155             bool overtime = false;
156             Stopwatch sw = new Stopwatch();
157             sw.Start();
158
159             try
160             {
161                 ping.StartPing(cleanIpOfRegion);
162             }
163             catch (Exception e)
164             {
165                 Debug.Log("catched: " + e);
166                 this.PingsRunning--;
167                 break;
168             }
169
170
171             while (!ping.Done())
172             {
173                 if (sw.ElapsedMilliseconds >= MaxMilliseconsPerPing)
174                 {
175                     overtime = true;
176                     break;
177                 }
178                 yield return 0; // keep this loop tight, to avoid adding local lag to rtt.
179             }
180             int rtt = (int)sw.ElapsedMilliseconds;
181
182
183             if (IgnoreInitialAttempt && i == 0)
184             {
185                 // do nothing.
186             }
187             else if (ping.Successful && !overtime)
188             {
189                 rttSum += rtt;
190                 replyCount++;
191                 region.Ping = (int)((rttSum) / replyCount);
192                 //Debug.Log("region " + region.Code + " RTT " + region.Ping + " success: " + ping.Successful + " over: " + overtime);
193             }
194
195             yield return new WaitForSeconds(0.1f);
196         }
197
198         this.PingsRunning--;
199
200         //Debug.Log("this.PingsRunning: " + this.PingsRunning + " this debug: " + ping.DebugString);
201         yield return null;
202     }