server id change

LoadBalancerProject-DONT-IMPORT-INTO-UNITY/LRM_LoadBalancer/DataContainer.cs

@@ -12,6 +12,9 @@ namespace LightReflectiveMirror.LoadBalancing
         public int RoomCount;
         public int PublicRoomCount;
         public TimeSpan Uptime;
+
+        [JsonIgnore]
+        public List<Room> serversConnectedToRelay;
     }
 
     [Serializable]
@@ -37,7 +40,7 @@ namespace LightReflectiveMirror.LoadBalancing
     [Serializable]
     public struct Room
     {
-        public int serverId;
+        public string serverId;
         public int hostId;
         public string serverName;
         public string serverData;

LoadBalancerProject-DONT-IMPORT-INTO-UNITY/LRM_LoadBalancer/Endpoint.cs

@@ -156,6 +156,12 @@ namespace LightReflectiveMirror.LoadBalancing
         {
             await context.Response.SendResponseAsync(JsonConvert.SerializeObject(_stats));
         }
+
+        [RestRoute("Get", "/api/get/id")]
+        public async Task GetServerID(IHttpContext context)
+        {
+            await context.Response.SendResponseAsync(Program.instance.GenerateServerID());
+        }
     }
 
     #region Startup

LoadBalancerProject-DONT-IMPORT-INTO-UNITY/LRM_LoadBalancer/Program.cs

@@ -135,14 +135,18 @@ namespace LightReflectiveMirror.LoadBalancing
                             var serverStats = wc.DownloadString(url);
                             var deserializedData = JsonConvert.DeserializeObject<RelayServerInfo>(serverStats);
 
-                            Logger.ForceLogMessage("Server " + keys[i].Address + " still exists, keeping in collection.");
+                            Logger.WriteLogMessage("Server " + keys[i].Address + " still exists, keeping in collection.");
+
+                            // get current server list
+                            deserializedData.serversConnectedToRelay = await GetServerListFromIndividualRelay(keys[i].Address, keys[i].Port);
 
                             if (availableRelayServers.ContainsKey(keys[i]))
                                 availableRelayServers[keys[i]] = deserializedData;
                             else
                                 availableRelayServers.Add(keys[i], deserializedData);
+
                         }
-                        catch (Exception ex)
+                        catch
                         {
                             // server doesnt exist anymore probably
                             Logger.WriteLogMessage("Server " + keys[i] + " does not exist anymore, removing", ConsoleColor.Red);

LoadBalancerProject-DONT-IMPORT-INTO-UNITY/LRM_LoadBalancer/ProgramExtra.cs

@@ -1,7 +1,11 @@
-namespace LightReflectiveMirror.LoadBalancing
+using System.Collections.Generic;
+using System.Linq;
+
+namespace LightReflectiveMirror.LoadBalancing
 {
     partial class Program
     { 
+
         public long GetTotalCCU()
         {
             long temp = 0;
@@ -21,5 +25,43 @@
 
             return temp;
         }
+
+        public string GenerateServerID()
+        {
+            const int LENGTH = 5;
+            const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+            var randomID = "";
+
+            do
+            {
+                var random = new System.Random();
+                randomID = new string(Enumerable.Repeat(chars, LENGTH)
+                                                        .Select(s => s[random.Next(s.Length)]).ToArray());
+            }
+            while (DoesServerIdExist(randomID));
+
+            return randomID;
+        }
+
+        /// <summary>
+        /// Checks if a server id already is in use.
+        /// </summary>
+        /// <param name="id">The ID to check for</param>
+        /// <returns></returns>
+        bool DoesServerIdExist(string id)
+        { 
+            var infos = new List<RelayServerInfo>(availableRelayServers.Values.ToList());
+
+            foreach (var info in infos)
+            {
+                foreach (var server in info.serversConnectedToRelay)
+                {
+                    if (server.serverId == id)
+                        return true;
+                }
+            }
+
+            return false;
+        }
     }
 }

ServerProject-DONT-IMPORT-INTO-UNITY/LRM/RelayHandler/RelayHandler.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Buffers;
 using System.Linq;
+using System.Net;
 
 namespace LightReflectiveMirror
 {
@@ -100,8 +101,13 @@ namespace LightReflectiveMirror
             else
             {
                 // ping load balancer here
+                using (WebClient wc = new())
+                {
+                    var uri = new Uri($"http://{Program.conf.LoadBalancerAddress}:{Program.conf.LoadBalancerPort}/api/get/id");
+                    string randomID = wc.DownloadString(uri).Replace("\\r", "").Replace("\\n", "").Trim();
 
-                return "";
+                    return randomID;
+                }
             }
         }