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Fixed the port issue for real and added connection watchdog
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@KarlOfDuty
KarlOfDuty committed Jul 21, 2018
1 parent ac5e578 commit 25b1dd5
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Showing 3 changed files with 124 additions and 41 deletions.
2 changes: 2 additions & 0 deletions SCPDiscordBot/DiscordBot.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ const Discord = require('discord.js');

const client = new Discord.Client();

var messageQueue = [];

console.log('Binding TCP port...');
var net = require('net');
net.createServer(function (socket)
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117 changes: 110 additions & 7 deletions SCPDiscordPlugin/AsyncTask.cs
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Original file line number Diff line number Diff line change
@@ -1,27 +1,130 @@
using Smod2;
using System;
using System.Net.Sockets;
using System.Threading;

namespace SCPDiscord
{
class AsyncMessage
{
public AsyncMessage(SCPDiscordPlugin plugin, string channelID, string message)
{
if(message != null && message != "")
if(plugin.clientSocket == null || !plugin.clientSocket.Connected)
{
plugin.Warn("Error sending message '" + message + "' to discord: Not connected to bot yet.");
return;
}
if (message == null || message == "" || message == " " || message == ".")
{
plugin.Warn("Tried to send empty message to discord.");
return;
}

//Change the default keyword to the bot's representation of it
if(channelID == "default")
{
channelID = "000000000000000000";
}

//Try to send the message to the bot
try
{
if(channelID == "default")
{
channelID = "000000000000000000";
}
NetworkStream serverStream = plugin.clientSocket.GetStream();
byte[] outStream = System.Text.Encoding.ASCII.GetBytes(channelID + message + '\0');
serverStream.Write(outStream, 0, outStream.Length);

plugin.Info("Sent message '" + message + "' to discord.");
}
else
catch(InvalidOperationException e)
{
plugin.Warn("Tried to send empty message to discord.");
plugin.Error("Error sending message '" + message + "' to discord: " + e.ToString());
}
catch (ArgumentNullException e)
{
plugin.Error("Error sending message '" + message + "' to discord: " + e.ToString());
}
}
}
class AsyncConnect
{
//This is ran once on the first time connecting to the bot
public AsyncConnect(SCPDiscordPlugin plugin)
{
Thread.Sleep(2000);
while (!plugin.clientSocket.Connected)
{
plugin.Info("Attempting Bot Connection...");
try
{
plugin.Info("Your Bot IP: " + plugin.GetConfigString("discord_bot_ip") + ". Your Bot Port: " + plugin.GetConfigInt("discord_bot_port") + ".");
plugin.clientSocket.Connect(plugin.GetConfigString("discord_bot_ip"), plugin.GetConfigInt("discord_bot_port"));
}
catch (SocketException e)
{
plugin.Info("Error occured while connecting to discord bot server.\n" + e.ToString());
Thread.Sleep(5000);
}
catch (ObjectDisposedException e)
{
plugin.Info("TCP client was unexpectedly closed.\n" + e.ToString());
Thread.Sleep(5000);
}
catch (ArgumentOutOfRangeException e)
{
plugin.Info("Invalid port.\n" + e.ToString());
Thread.Sleep(5000);
}
catch (ArgumentNullException e)
{
plugin.Info("IP address is null.\n" + e.ToString());
Thread.Sleep(5000);
}
}
plugin.Info("Connected to Discord bot.");
plugin.SendMessageAsync("default", "Plugin Connected.");
plugin.hasConnectedOnce = true;
}
}
class AsyncConnectionWatchdog
{
//This is a loop that keeps running and checks if the bot has been disconnected
public AsyncConnectionWatchdog(SCPDiscordPlugin plugin)
{
while (true)
{
Thread.Sleep(200);
if(!plugin.clientSocket.Connected && plugin.hasConnectedOnce)
{
plugin.Info("Discord bot connection issue detected, attempting reconnect...");
try
{
plugin.Info("Your Bot IP: " + plugin.GetConfigString("discord_bot_ip") + ". Your Bot Port: " + plugin.GetConfigInt("discord_bot_port") + ".");
plugin.clientSocket.Connect(plugin.GetConfigString("discord_bot_ip"), plugin.GetConfigInt("discord_bot_port"));
plugin.Info("Reconnected to Discord bot.");
plugin.SendMessageAsync("default", "Plugin Reconnected.");
}
catch (SocketException e)
{
plugin.Info("Error occured while reconnecting to discord bot server.\n" + e.ToString());
Thread.Sleep(5000);
}
catch (ObjectDisposedException e)
{
plugin.Info("TCP client was unexpectedly closed.\n" + e.ToString());
Thread.Sleep(5000);
}
catch (ArgumentOutOfRangeException e)
{
plugin.Info("Invalid port.\n" + e.ToString());
Thread.Sleep(5000);
}
catch (ArgumentNullException e)
{
plugin.Info("IP address is null.\n" + e.ToString());
Thread.Sleep(5000);
}
}

}
}
}
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46 changes: 12 additions & 34 deletions SCPDiscordPlugin/SCPDiscord.cs
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Original file line number Diff line number Diff line change
@@ -1,9 +1,6 @@
using Smod2;
using Smod2.Attributes;
using Smod2.EventHandlers;
using Smod2.Events;

using System.Net;
using System.Net.Sockets;
using System;

Expand All @@ -25,6 +22,7 @@ class SCPDiscordPlugin : Plugin
{
public TcpClient clientSocket = new TcpClient();
public readonly string GENERICMESSAGECHANNEL = "000000000000000000";
public bool hasConnectedOnce = false;

public override void Register()
{
Expand All @@ -35,6 +33,10 @@ public override void Register()
this.AddEventHandlers(new EnvironmentEventHandler(this));
this.AddEventHandlers(new TeamEventHandler(this));

//Connection settings
this.AddConfig(new Smod2.Config.ConfigSetting("discord_bot_ip", "127.0.0.1", Smod2.Config.SettingType.STRING, true, "IP of the discord bot."));
this.AddConfig(new Smod2.Config.ConfigSetting("discord_bot_port", 8888, Smod2.Config.SettingType.NUMERIC, true, "Port of the discord bot."));

//Round events
this.AddConfig(new Smod2.Config.ConfigSetting("discord_channel_onroundstart", "off", Smod2.Config.SettingType.STRING, true, "Discord channel to post event messages in."));
this.AddConfig(new Smod2.Config.ConfigSetting("discord_channel_onconnect", "off", Smod2.Config.SettingType.STRING, true, "Discord channel to post event messages in."));
Expand Down Expand Up @@ -86,38 +88,14 @@ public override void Register()

public override void OnEnable()
{
//Connection settings
this.AddConfig(new Smod2.Config.ConfigSetting("discord_bot_ip", "127.0.0.1", Smod2.Config.SettingType.STRING, true, "IP of the discord bot."));
this.AddConfig(new Smod2.Config.ConfigSetting("discord_bot_port", 8888, Smod2.Config.SettingType.NUMERIC, true, "Port of the discord bot."));

try
{
this.Info("Your Bot IP: " + this.GetConfigString("discord_bot_ip") + ". Your Bot Port: " + this.GetConfigInt("discord_bot_port") + ".");
clientSocket.Connect(this.GetConfigString("discord_bot_ip"), this.GetConfigInt("discord_bot_port"));
}
catch(SocketException e)
{
this.Info("Error occured while connecting to discord bot server.\n" + e.ToString());
this.pluginManager.DisablePlugin(this);
}
catch (ObjectDisposedException e)
{
this.Info("TCP client was unexpectedly closed.\n" + e.ToString());
this.pluginManager.DisablePlugin(this);
}
catch (ArgumentOutOfRangeException e)
{
this.Info("Invalid port.\n" + e.ToString());
this.pluginManager.DisablePlugin(this);
}
catch (ArgumentNullException e)
{
this.Info("IP address is null.\n" + e.ToString());
this.pluginManager.DisablePlugin(this);
}

this.Info("SCPDiscord enabled.");
SendMessageAsync("default", "Plugin Enabled.");
//Runs until the server has connected once
Thread connectionThread = new Thread(new ThreadStart(() => new AsyncConnect(this)));
connectionThread.Start();

//Keeps running to auto-reconnect if needed
Thread watchdogThread = new Thread(new ThreadStart(() => new AsyncConnectionWatchdog(this)));
watchdogThread.Start();
}

public void SendMessageAsync(string channelID, string message)
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