436 lines
20 KiB
Plaintext
436 lines
20 KiB
Plaintext
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using AniNIX.Shared;
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#pragma warning disable 0168
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#pragma warning disable 2002
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namespace AniNIX.TheRaven {
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public sealed class Raven : IDisposable {
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/* These are the private globals for this instance
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* They should never be accessible outside this Raven
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*/
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//These are the basic configuration information to be overwritten
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public String Host { get; private set; } //This is the Host we are connecting to.
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public int Port { get; private set; } // This is Port to connect on
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public string Nick { get; private set; } // This is the Nickname for this Raven to use.
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private string _nickServPass; // This is the password we will send to NickServ to identify
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private string _autoSend; // This is the command we will automatically send to the Host
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private string _configFile; // This is the configuration directory.
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private Connection _connection; //This is the socket to the Host
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public List<String> channels; //This is the list of channels to join
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public List<String> whitelist; //This is the list of admin users.
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public List<String> blacklist; // This is the list of blocked people.
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public String helpText = "Available commands are r.d <dice test>, r.heartbeat, r.magic8, r.math <math problem>, r.msg <memo for admin>, r.raven, r.searches, r.tinyurl <url>, r.wikidiff \"one\" \"other\", and r.uptime";
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// This is the text to send when people ask for help -- this is configurable to allow for skinning
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public List<String> searches; //These are the searches
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public String searchesIndex; //This is the helptext for the searches
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public List<String> magic8; //These are the strings to return like a Magic 8-ball to questions.
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public List<String> crowFacts; //These are the possible CrowFacts
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public List<String> crowFactsSubscribers = new List<String>(); //These are the subscribers to CrowFacts
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public Dictionary<String,String> notifications = new Dictionary<String,String>(); // This is the notifications list for TheRaven.
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public Random randomSeed = new Random(); //This is our random seed
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public Dictionary<String,int> MailerCount = new Dictionary<String,int>(); // Messages may only be sent up to a maximum to the admins.
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private RavenNetListener _netListener;
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/// <summary>
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/// Show the settings used by this Raven.
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/// </summary>
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/// <returns>A string representing this Raven</returns>
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public override string ToString() {
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StringBuilder sb = new StringBuilder();
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sb.Append("### AniNIX::TheRaven -- Running Values ###\n");
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sb.Append(String.Format("Host: {0}\n",Host));
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sb.Append(String.Format("Port: {0}\n",Port));
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sb.Append(String.Format("Nick: {0}\n",Nick));
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sb.Append("NickServPass: ****\n");
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sb.Append(String.Format("Auto: {0}\n",_autoSend));
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sb.Append(String.Format("Conf: {0}\n",_configFile));
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sb.Append(String.Format("Verbosity: {0}\n",ReportMessage.verbosity));
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return sb.ToString();
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}
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/// <summary>
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/// Read from the files in the current directory to configure this Raven
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/// </summary>
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// TODO: This and ParseArgs may get punted into their own static class to improve readability.
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private void ConfigureSelfFromFiles() {
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if (!File.Exists(_configFile)) {
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throw new Exception(String.Format("Configuration file {0} doesn't exist.",_configFile));
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}
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ReportMessage.Log(Verbosity.Always,String.Format("Reading from config file in {0} and the global files in the same directory...",_configFile));
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Configure conf = new Configure(_configFile);
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//These are locals that will be used throughout
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ReportMessage.Log(Verbosity.Verbose,"Reading login info");
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try {
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Dictionary<String,String> loginDefaults = conf.ReadSection("Login");
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this.Host = loginDefaults["host"];
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this.Port = Int32.Parse(loginDefaults["port"]);
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this.Nick = loginDefaults["username"];
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this._nickServPass = loginDefaults["password"];
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this._netListener = new RavenNetListener(loginDefaults["password"]);
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channels=new List<String>();
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foreach (String channel in conf.ReadSectionLines("Rooms")) {
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channels.Add(String.Format("#{0}",channel));
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}
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} catch (Exception e) {
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throw new Exception("Failed to read default login info from Login section in configuration.");
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}
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//Parse the lists.
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ReportMessage.Log(Verbosity.Verbose,"Building lists.");
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try {
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notifications = conf.ReadSection("Notifications");
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} catch (Exception e) {
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throw new Exception("Couldn't read Notifications section.");
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}
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try {
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whitelist = conf.ReadSectionLines("Whitelist");
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} catch (Exception e) {
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throw new Exception("Couldn't read Whitelist section.");
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}
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try {
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blacklist = conf.ReadSectionLines("Blacklist");
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} catch (Exception e) {
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throw new Exception("Couldn't read Blacklist section.");
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}
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try {
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searches = conf.ReadSectionLines("Searches");
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} catch (Exception e) {
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throw new Exception("Couldn't read Searches section.");
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}
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StringBuilder searchIndexBuilder = new StringBuilder();
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foreach (String searchLine in searches) {
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String[] byPipe = searchLine.Split('|');
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if (byPipe.Length > 3) searchIndexBuilder.Append(String.Format("{0} <{1} search>, ",byPipe[0],byPipe[3]));
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}
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searchesIndex = searchIndexBuilder.ToString();
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//Read the globals
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magic8 = (new Configure("magic8.txt")).GetLines();
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crowFacts = (new Configure("crowfacts.txt")).GetLines();
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}
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/// <summary>
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/// Print helptext and exit
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/// param retcode: what to return to the system.
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/// </summary>
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public void Usage() {
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ReportMessage.Log(Verbosity.Always,"Usage: mono ./raven.mono -c conf # start the Raven with the conf file");
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ReportMessage.Log(Verbosity.Always,"Usage: mono ./raven.mono -h # Get help");
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ReportMessage.Log(Verbosity.Always,"");
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ReportMessage.Log(Verbosity.Always,"The following flags are optional:");
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ReportMessage.Log(Verbosity.Always,"-n Nickname");
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ReportMessage.Log(Verbosity.Always,"-t Host");
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ReportMessage.Log(Verbosity.Always,"-p Port");
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ReportMessage.Log(Verbosity.Always,"-v Verbose");
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ReportMessage.Log(Verbosity.Always,"-q Quiet");
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ReportMessage.Log(Verbosity.Always,"-P NickServ passphrase");
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ReportMessage.Log(Verbosity.Always,"-a Autosend command");
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throw new RavenExitedException();
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}
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/// <summary>
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/// Parse arguments from the command line.
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/// </summary>
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//TODO: Move this to RavenConfigure and add struct for these configurations
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public void ParseArguments(String[] args) {
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if (args != null) {
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for (int i = 0; i < args.Length; i++) {
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ReportMessage.Log(Verbosity.Verbose,String.Format("Handling Argument {0}: {1}",i,args[i]));
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switch (args[i]) {
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case "-n":
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if (i < args.Length-1) Nick = args[++i];
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break;
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case "-t":
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if (i < args.Length-1) Host = args[++i];
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break;
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case "-p":
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if (i < args.Length-1) try {
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Port = Int32.Parse(args[++i]);
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} catch (Exception e) {
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e.ToString();
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Port = 6667;
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}
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break;
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case "-v":
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ReportMessage.verbosity = Verbosity.VeryVerbose;
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break;
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case "-q":
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ReportMessage.verbosity = Verbosity.Quiet;
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break;
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case "-P":
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if (i < args.Length-1) _nickServPass = args[++i];
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break;
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case "-a":
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if (i < args.Length-1) _autoSend = args[++i];
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break;
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case "-h":
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Usage();
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return;
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case "-c":
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if (i < args.Length-1) _configFile = args[++i];
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break;
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}
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}
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}
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}
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/// <summary>
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/// Create a new Raven instance
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/// </summary>
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/// <param name="args">
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/// The arguments for creating the bot
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/// </param>
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public Raven(string[] args) {
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ReportMessage.Log(Verbosity.Always,"Reading arguments...");
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// If we have arguments
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this.ParseArguments(args);
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this.ConfigureSelfFromFiles();
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this._isDisposed = false;
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ReportMessage.Log(Verbosity.VeryVerbose,"Started with these values:");
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ReportMessage.Log(Verbosity.VeryVerbose,this.ToString());
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}
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/// <summary>
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/// Create a raven with default settings.
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/* </summary>
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public Raven(String host = "localhost", int port = 6667, String nick = "TheRaven-Guest", String nickServPass = "null", String autoSend = null, String configFile = "raven.conf", Verbosity verbosity = Verbosity.Verbose) {
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this.Host = host;
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Port = port;
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Nick = nick;
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_nickServPass = nickServPass;
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_autoSend = autoSend;
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this._configFile = String.Format("/usr/local/etc/TheRaven/{0}",configFile);
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ReportMessage.verbosity = verbosity;
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}
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*/
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/// <summary>
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/// Identify to the server and join the initial channels
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/// </summary>
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public void IdentifySelfToServer() {
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ReportMessage.Log(Verbosity.Always,"Identifying to the server");
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//Read for the initial two NOTICE messages about Hostnames
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IRCServerMessage response = null;
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int countNotice = 0;
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while (countNotice < 2) {
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response = _connection.Read();
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if (response.msgCode.Equals("NOTICE")) countNotice += 1;
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}
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ReportMessage.Log(Verbosity.VeryVerbose,"Past the notices.");
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//Send USER and NICK lines to identify.
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IRCClientMessage send = new IRCClientMessage();
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send.CreateCustomMessage(String.Format("NICK {0}\nUSER {0} * * :{0}",Nick));
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_connection.Write(send);
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ReportMessage.Log(Verbosity.VeryVerbose,"USER and NICK sent");
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//thanks to cfrayne for the refactor
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do {
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response = _connection.Read();
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if (response.msgCode != null && response.msgCode.Equals("433")) throw new AlreadyIdentifiedException();
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} while (response.msgCode == null || !response.msgCode.Equals("266"));
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//Identify to NickServ
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send.NickServIdent(_nickServPass);
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_connection.Write(send);
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ReportMessage.Log(Verbosity.VeryVerbose,"Identified to NickServ");
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//Send the autosend
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send.CreateCustomMessage(_autoSend);
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_connection.Write(send);
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ReportMessage.Log(Verbosity.VeryVerbose,"Sent autosend");
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//Join the default channels
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foreach (String channel in channels) {
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if (channel != null && channel.Length > 2 && channel[0] == '#') {
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send.CreateJoinMessage(channel);
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_connection.Write(send);
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}
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}
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}
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/// <summary>
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/// Read from the connection, and for each message act appropriately.
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/// </summary>
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public void LoopOnTraffic() {
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ReportMessage.Log(Verbosity.Verbose,"Looping on trafffic now! We're useful!");
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// Start a network listener to allow relaying traffic via ncat into IRCd.
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this._netListener.NetListener(this._connection);
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// Loop on main connect to ircd
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while (true) {
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IRCServerMessage response = _connection.Read();
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if (response != null && response.message != null && response.message.Length > 3 && response.message.Substring(0,2).Equals("r.")) {
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RavenCommand.Respond(_connection,response,this);
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} else if (response != null) {
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// Integrate with the ALICE chatbot project.
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// TODO Create a local instance instead
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if (response.msgCode.Equals("PRIVMSG") && !String.IsNullOrWhiteSpace(response.message) && (response.target.Equals(Nick) || response.message.StartsWith(String.Format("{0}:",Nick)) || response.message.EndsWith(String.Format("{0}!",Nick)) || response.message.EndsWith(String.Format("{0}?",Nick)) || response.message.EndsWith(String.Format("{0}.",Nick)) || response.message.EndsWith(String.Format("{0}",Nick)))) {
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IRCClientMessage send = new IRCClientMessage();
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try {
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String aliceResponse = ExecuteCommand.Run(String.Format("bash ./chatbot-support.bash \"{0}\" {1}",response.message.Replace("'","").Replace("\"","").Split('\n')[0].Trim(),Nick)).Trim();
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if (String.IsNullOrWhiteSpace(aliceResponse)) throw new Exception("No response from ALICE chatbot service");
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send.PrivMsg(aliceResponse,(response.target.Equals(Nick))?response.user:response.target);
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} catch (Exception e) {
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e.ToString();
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send.PrivMsg("Cannot talk right now.",(response.target.Equals(Nick))?response.user:response.target);
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}
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_connection.Write(send);
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}
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/* CROWFACTS the deserving */
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else if (crowFactsSubscribers.Contains(response.user) && randomSeed.Next(10) < 8) {
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IRCClientMessage send = new IRCClientMessage();
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int location = randomSeed.Next(crowFacts.Count);
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send.PrivMsg(crowFacts[location],response.user);
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_connection.Write(send);
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}
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// If the WebPage
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if (WebPageAPI.URLRegEx.Match(response.message).Success) {
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try {
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String title = WebPageAPI.GetPageTitle(WebPageAPI.URLRegEx.Match(response.message).Value);
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if (!String.IsNullOrWhiteSpace(title)) {
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IRCClientMessage send = new IRCClientMessage();
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send.PrivMsg(String.Format("Web page title: {0}",title),(response.target.Equals(Nick))?response.user:response.target);
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_connection.Write(send);
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}
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} catch (Exception e) {
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e.ToString();
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}
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}
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}
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}
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}
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/// <summary>
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/// Close the _connection
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/// </summary>
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private void CloseConnection() {
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if (this._connection != null) {
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this._connection.Dispose();
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}
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}
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/// <summary>
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/// Execute the work of connecting the IRCbot to the network and handle the traffic.
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/// </summaray>
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/// <returns> The proper OS-level exit status -- if there are problems, return 1; else return 0 </returns>
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public int Run() {
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ReportMessage.Log(Verbosity.Verbose,"Beginning...");
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//create a new _connection to the Host.
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try {
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_connection = new Connection(this.Host,this.Port);
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IdentifySelfToServer();
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LoopOnTraffic();
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// Allow the program to exit cleanly
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} catch (RavenExitedException e) {
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this.CloseConnection();
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this.Dispose();
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ReportMessage.Log(Verbosity.Always,String.Format("Exited cleanly.\n{0}",e.Message));
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return 0;
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}
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//Cleanly exit
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return 0;
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}
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/* Make a Raven disposable */
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/// <summary>
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/// Clean up this Connection, implementing IDisposable
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/// </summary>
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public void Dispose() {
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this.Dispose(true);
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GC.SuppressFinalize(this);
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}
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/// <summary>
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/// Force the GarbageCollector to Dispose if programmer does not
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/// </summary>
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~Raven() {
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Dispose(false);
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ReportMessage.Log(Verbosity.Error,"Programmer forgot to dispose of Raven. Marking for Garbage Collector");
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}
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// This bool indicates whether we have disposed of this Raven
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public bool _isDisposed = true;
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/// <summary>
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/// Dispose of this Raven's's resources responsibly.
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/// </summary>
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private void Dispose(bool disposing) {
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if (this == null) {
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return;
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}
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if (!_isDisposed) {
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if (disposing) {
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Host = null;
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Port = 0;
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_nickServPass = null;
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_autoSend = null;
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_configFile = null;
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whitelist = null;
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blacklist = null;
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magic8 = null;
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crowFacts = null;
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crowFactsSubscribers = null;
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channels = null;
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searches = null;
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}
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_connection.Dispose();
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}
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this._isDisposed = true;
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}
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/// <summary>
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/// The default function
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/// </summary>
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static int Main(string[] args) {
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try {
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Raven theRaven = new Raven(args);
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ReportMessage.Log(Verbosity.Verbose,"### AniNIX::TheRaven ###");
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//Continue until we cleanly exit.
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while (true) {
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try {
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return theRaven.Run();
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//If we are already identified, we're done.
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} catch (AlreadyIdentifiedException e) {
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ReportMessage.Log(Verbosity.Error,"There is already a Raven on this Host.");
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ReportMessage.Log(Verbosity.Error,e.Message);
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return 0;
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// Timeouts should result in a respawn
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} catch (RavenTimedOutException e) {
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ReportMessage.Log(Verbosity.Always,"Connection timed out. Respawning");
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ReportMessage.Log(Verbosity.Verbose,e.Message);
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continue;
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//If an exception gets here, something went wrong
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} catch (Exception e) {
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ReportMessage.Log(Verbosity.Error,"Unexpected exception caught!");
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ReportMessage.Log(Verbosity.Error,e.Message);
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return 1;
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}
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}
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}
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catch (RavenExitedException e) {
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return 0;
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}
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}
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}
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}
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