You can now choose port

where shard communication is happening. JSON explanations with instructions on how to ed
it optional shard settings

src/NadekoBot/DataStructures/ShardCom/ShardComClient.cs

@@ -9,13 +9,20 @@ namespace NadekoBot.DataStructures.ShardCom
 {
     public class ShardComClient
     {
+        private int port;
+
+        public ShardComClient(int port)
+        {
+            this.port = port;
+        }
+
         public async Task Send(ShardComMessage data)
         {
             var msg = JsonConvert.SerializeObject(data);
             using (var client = new UdpClient())
             {
                 var bytes = Encoding.UTF8.GetBytes(msg);
-                await client.SendAsync(bytes, bytes.Length, IPAddress.Loopback.ToString(), ShardComServer.Port).ConfigureAwait(false);
+                await client.SendAsync(bytes, bytes.Length, IPAddress.Loopback.ToString(), port).ConfigureAwait(false);
             }
         }
     }

src/NadekoBot/DataStructures/ShardCom/ShardComServer.cs

@@ -9,8 +9,12 @@ namespace NadekoBot.DataStructures.ShardCom
 {
     public class ShardComServer : IDisposable
     {
-        public const int Port = 5664;
-        private readonly UdpClient _client = new UdpClient(Port);
+        private readonly UdpClient _client;
+
+        public ShardComServer(int port)
+        {
+            _client = new UdpClient(port);
+        }
 
         public void Start()
         {

src/NadekoBot/NadekoBot.cs

@@ -65,9 +65,9 @@ namespace NadekoBot
         public int ShardId { get; }
         public ShardsCoordinator ShardCoord { get; private set; }
 
-        private readonly ShardComClient _comClient = new ShardComClient();
+        private readonly ShardComClient _comClient;
 
-        public NadekoBot(int shardId, int parentProcessId)
+        public NadekoBot(int shardId, int parentProcessId, int? port = null)
         {
             if (shardId < 0)
                 throw new ArgumentOutOfRangeException(nameof(shardId));
@@ -79,6 +79,10 @@ namespace NadekoBot
             TerribleElevatedPermissionCheck();
 
             Credentials = new BotCredentials();
+
+            port = port ?? Credentials.ShardRunPort;
+            _comClient = new ShardComClient(port.Value);
+
             Db = new DbService(Credentials);
 
             using (var uow = Db.UnitOfWork)
@@ -108,7 +112,7 @@ namespace NadekoBot
             Currency = new CurrencyService(BotConfig, Db);
             GoogleApi = new GoogleApiService(Credentials);
 
-            SetupShard(shardId, parentProcessId);
+            SetupShard(shardId, parentProcessId, port.Value);
 
 #if GLOBAL_NADEKO
             Client.Log += Client_Log;
@@ -411,7 +415,7 @@ namespace NadekoBot
             }
         }
 
-        private void SetupShard(int shardId, int parentProcessId)
+        private void SetupShard(int shardId, int parentProcessId, int port)
         {
             if (shardId != 0)
             {
@@ -432,7 +436,7 @@ namespace NadekoBot
             }
             else
             {
-                ShardCoord = new ShardsCoordinator();
+                ShardCoord = new ShardsCoordinator(port);
             }
         }
     }

src/NadekoBot/Program.cs

@@ -4,8 +4,13 @@
     {
         public static void Main(string[] args)
         {
-            if (args.Length == 2 && int.TryParse(args[0], out int shardId) && int.TryParse(args[1], out int parentProcessId))
-                new NadekoBot(shardId, parentProcessId).RunAndBlockAsync(args).GetAwaiter().GetResult();
+            if (args.Length == 3 && int.TryParse(args[0], out int shardId) && int.TryParse(args[1], out int parentProcessId))
+            {
+                int? port = null;
+                if (int.TryParse(args[2], out var outPort))
+                    port = outPort;
+                new NadekoBot(shardId, parentProcessId, outPort).RunAndBlockAsync(args).GetAwaiter().GetResult();
+            }
             else
                 new NadekoBot(0, 0).RunAndBlockAsync(args).GetAwaiter().GetResult();
         }

src/NadekoBot/Services/Impl/BotCredentials.cs

@@ -34,6 +34,7 @@ namespace NadekoBot.Services.Impl
         public string PatreonAccessToken { get; }
         public string ShardRunCommand { get; }
         public string ShardRunArguments { get; }
+        public int ShardRunPort { get; }
 
         public BotCredentials()
         {
@@ -65,11 +66,16 @@ namespace NadekoBot.Services.Impl
                 PatreonAccessToken = data[nameof(PatreonAccessToken)];
                 ShardRunCommand = data[nameof(ShardRunCommand)];
                 ShardRunArguments = data[nameof(ShardRunArguments)];
-
                 if (string.IsNullOrWhiteSpace(ShardRunCommand))
                     ShardRunCommand = "dotnet";
                 if (string.IsNullOrWhiteSpace(ShardRunArguments))
-                    ShardRunArguments = "run -c Release -- {0} {1}";
+                    ShardRunArguments = "run -c Release -- {0} {1} {2}";
+                
+                var portStr = data[nameof(ShardRunPort)];
+                if (string.IsNullOrWhiteSpace(portStr))
+                    ShardRunPort = new NadekoRandom().Next(5000, 6000);
+                else
+                    ShardRunPort = int.Parse(portStr);
 
                 int ts = 1;
                 int.TryParse(data[nameof(TotalShards)], out ts);
@@ -115,7 +121,10 @@ namespace NadekoBot.Services.Impl
             public DBConfig Db { get; set; } = new DBConfig("sqlite", "Filename=./data/NadekoBot.db");
             public int TotalShards { get; set; } = 1;
             public string PatreonAccessToken { get; set; } = "";
+
             public string ShardRunCommand { get; set; } = "";
+            public string ShardRunArguments { get; set; } = "";
+            public int? ShardRunPort { get; set; } = null;
         }
 
         private class DbModel

src/NadekoBot/Services/Impl/StatsService.cs

@@ -17,7 +17,7 @@ namespace NadekoBot.Services.Impl
         private readonly IBotCredentials _creds;
         private readonly DateTime _started;
 
-        public const string BotVersion = "1.43";
+        public const string BotVersion = "1.5";
 
         public string Author => "Kwoth#2560";
         public string Library => "Discord.Net";

src/NadekoBot/ShardsCoordinator.cs

@@ -20,16 +20,18 @@ namespace NadekoBot
 
         private readonly Logger _log;
         private readonly ShardComServer _comServer;
+        private readonly int _port;
 
-        public ShardsCoordinator()
+        public ShardsCoordinator(int port)
         {
             LogSetup.SetupLogger();
             Credentials = new BotCredentials();
             ShardProcesses = new Process[Credentials.TotalShards];
             Statuses = new ShardComMessage[Credentials.TotalShards];
             _log = LogManager.GetCurrentClassLogger();
+            _port = port;
 
-            _comServer = new ShardComServer();
+            _comServer = new ShardComServer(port);
             _comServer.Start();
 
             _comServer.OnDataReceived += _comServer_OnDataReceived;
@@ -51,7 +53,7 @@ namespace NadekoBot
                 var p = Process.Start(new ProcessStartInfo()
                 {
                     FileName = Credentials.ShardRunCommand,
-                    Arguments = string.Format(Credentials.ShardRunArguments, i, curProcessId)
+                    Arguments = string.Format(Credentials.ShardRunArguments, i, curProcessId, _port)
                 });
                 await Task.Delay(5000);
             }

src/NadekoBot/credentials_example.json

@@ -16,5 +16,7 @@
   },
   "TotalShards": 1,
   "PatreonAccessToken": "",
-  "ShardRunCommand": ""
+  "ShardRunCommand": "",
+  "ShardRunArguments": "",
+  "ShardRunPort": null
 }