sbrl/RhinoReminds
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RhinoReminds
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Merge branch 'master' of git.starbeamrainbowlabs.com:sbrl/RhinoReminds

This commit is contained in:
Starbeamrainbowlabs 2019-02-04 13:54:34 +00:00
parent 517e3dcafc 97a6d95902
commit 6f9ff7eef0
Signed by: sbrl
GPG Key ID: 1BE5172E637709C2
11 changed files with 427 additions and 170 deletions
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27
README.md
View File

@ -2,7 +2,14 @@
> An XMPP reminder bot written in C#.
## Getting Started
### Downloading Prebuilt Binaries
Prebuilt binaries for the latest release are available on the [releases page](https://git.starbeamrainbowlabs.com/sbrl/RhinoReminds/releases).
### Building from Source
1. Install the NuGet dependencies:
```bash
@ -32,6 +39,7 @@ mono [--debug] RhinoReminds.exe [--help]
RhinoReminds.exe [--help]
```
## Usage
The bot operates on natural language instructions. It picks what to do from the first word in the sentence, but the rest is parsed via AI.
@ -52,6 +60,25 @@ Show all
List all
```
### Deleting Reminders
```
Delete reminder 43
Delete #22, #23, and #45
Delete number eight
Delete reminders 2, 3, 4, and 7
```
## Contributing
Contributions are welcome! Bug reports can be opened against this repository if you have an account. Otherwise, send them to `bugs at starbeamrainbowlabs dot com`.
Pull requests and patches are welcome too. [Here's a great tutorial](https://makandracards.com/makandra/2521-git-how-to-create-and-apply-patches) on creating patches. If there's any interest, I'll move this repository to my account on [gitlab.com](https://gitlab.com/sbrl) if that makes things easier.
## License
RhinoReminds is licensed under the _Mozilla Public License 2.0_ (MPL-2.0 for short) - the full text of which can be found in the [LICENSE](https://git.starbeamrainbowlabs.com/sbrl/RhinoReminds/src/branch/master/LICENSE) file in this repository. tl;drLegal have a [great summary](https://tldrlegal.com/license/mozilla-public-license-2.0-(mpl-2)) if you don't want to spend all day read dry legalese :P
## Useful Links
- [Microsoft.Text.Recognizers Samples](https://github.com/Microsoft/Recognizers-Text/tree/master/.NET/Samples)

248
RhinoReminds/ClientListener.cs
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@ -9,45 +9,49 @@ using System.Threading;
using System.Threading.Tasks;
using RhinoReminds.Utilities;
using S22.Xmpp;
using S22.Xmpp.Client;
using S22.Xmpp.Im;
using SBRL.Geometry;
namespace RhinoReminds
{
public class OnConnectedEventArgs : EventArgs { }
public delegate void OnConnectedHandler(object sender, OnConnectedEventArgs eventArgs);
public class ClientListener
{
public bool Debug { get; set; } = false;
public readonly string Jid;
public string Username => Jid.Split('@')[0];
public string Hostname => Jid.Split('@')[1];
public event OnConnectedHandler OnConnected;
public readonly Jid Jid;
public string Username => Jid.Node;
public string Hostname => Jid.Domain;
private readonly string password;
public readonly List<string> AllowedDomains = new List<string>();
public string ReminderFilePath { get; set; } = "./reminders.xml";
private ReminderList reminderList = new ReminderList();
private CancellationTokenSource reminderWatcherReset;
private CancellationToken reminderWatcherResetToken => reminderWatcherReset.Token;
private XmppClient client;
private SimpleXmppClient client;
/// <summary>
/// The number of seconds to wait before trying to reconnect to the
/// The initial number of seconds to wait before trying to reconnect to the
/// server again if we loose our connection again.
/// </summary>
private int nextBackoffDelay = 1;
private int defaultBackoffDelay = 1;
private float backoffDelayMultiplier = 2;
private readonly int defaultBackoffDelay = 1;
private readonly float backoffDelayMultiplier = 2;
/// <summary>
/// If a connection attempt doesn't succeed in this number of seconds,
/// give up and try again later.
/// </summary>
private int giveUpTimeout = 30;
private readonly int giveUpTimeout = 30;
public ClientListener(string inJid, string inPassword)
{
Jid = inJid;
Jid = new Jid(inJid);
password = inPassword;
}
@ -59,26 +63,48 @@ namespace RhinoReminds
reminderList = ReminderList.FromXmlFile(ReminderFilePath);
}
client = new XmppClient(Hostname, Username, password);
client.Error += errorHandler;
client.Message += messageHandlerRoot;
client.SubscriptionRequest += subscriptionRequestHandler;
// Connect to the server. This starts it's own thread that doesn't block the program exiting, apparently
await connect();
//client.SetStatus(Availability.Online);
client.SetStatus(Availability.Online);
await watchForReminders();
}
private async Task reconnect()
{
// 1: Ensure we're disconnected from the server.
disconnect();
float nextBackoffDelay = defaultBackoffDelay;
do {
nextBackoffDelay *= backoffDelayMultiplier;
Console.Error.WriteLine($"[Rhino/Reconnect] Reconnecting in {TimeSpan.FromSeconds(nextBackoffDelay).ToString()}.");
Thread.Sleep((int)(nextBackoffDelay * 1000));
Console.WriteLine("[Rhino/Reconnect] Attempting to reconnect to the server");
} while (!await connect());
}
private async Task<bool> connect()
{
if (client.Connected)
if (client != null) {
if (client.Connected) {
return true;
} else {
client.Dispose();
client = null;
}
}
DateTime startTime = DateTime.Now;
client.Connect();
client = new SimpleXmppClient(Jid, password);
client.Error += errorHandler;
client.Message += messageHandlerRoot;
client.SubscriptionRequest += subscriptionRequestHandler;
client.Connect("RhinoReminds");
while (!client.Connected)
{
@ -89,16 +115,25 @@ namespace RhinoReminds
}
Console.WriteLine($"[Rhino/Setup] Connected as {Jid}");
OnConnected(this, new OnConnectedEventArgs());
return true;
}
private void disconnect()
{
client.Close();
client.Dispose();
client = null;
Console.WriteLine($"[Rhino] Disconnected from server.");
}
#region XMPP Event Handling
private bool subscriptionRequestHandler(Jid from)
{
if (!AllowedDomains.Contains("*") && !AllowedDomains.Contains(from.Domain)) {
sendChatMessage(from, "Sorry! The domain of your JID doesn't match the ones in my allowed list.");
client.SendChatMessage(from, "Sorry! The domain of your JID doesn't match the ones in my allowed list.");
return false;
}
Console.WriteLine($"[Rhino/SubscriptionRequest] Approving subscription from {from}");
@ -109,17 +144,8 @@ namespace RhinoReminds
{
Console.Error.WriteLine($"[Error] {e.Reason}: {e.Exception}");
if(!client.Connected)
{
Console.Error.WriteLine($"[Error/Handler] Reconnecting in {TimeSpan.FromSeconds(nextBackoffDelay).ToString()}.");
Thread.Sleep(nextBackoffDelay * 1000);
Console.WriteLine("[Error/Handler] Attempting to reconnect to the server");
if (!connect().Result)
nextBackoffDelay = (int)Math.Ceiling(nextBackoffDelay * backoffDelayMultiplier);
else
nextBackoffDelay = defaultBackoffDelay;
if(!client.Connected || e.Exception is IOException) {
reconnect().Wait();
}
}
@ -134,8 +160,8 @@ namespace RhinoReminds
catch (Exception error)
{
Console.Error.WriteLine(error);
sendChatReply(eventArgs.Message, "Oops! I encountered an error. Please report this to my operator!");
sendChatReply(eventArgs.Message, $"Technical details: {WebUtility.HtmlEncode(error.ToString())} (stack trace available in server log) ");
client.SendChatReply(eventArgs.Message, "Oops! I encountered an error. Please report this to my operator!");
client.SendChatReply(eventArgs.Message, $"Technical details: {WebUtility.HtmlEncode(error.ToString())} (stack trace available in server log) ");
}
}
@ -154,7 +180,7 @@ namespace RhinoReminds
private void messageHandler(Message message)
{
if (!AllowedDomains.Contains("*") && !AllowedDomains.Contains(message.From.Domain)) {
sendChatMessage(message.From, "Sorry! The domain of your JID doesn't match the ones in my allowed list.");
client.SendChatMessage(message.From, "Sorry! The domain of your JID doesn't match the ones in my allowed list.");
return;
}
@ -166,15 +192,15 @@ namespace RhinoReminds
switch (parts[0].ToLower())
{
case "help":
sendChatReply(message, "Hello! I'm a reminder bot written by Starbeamrainbowlabs.");
sendChatReply(message, "I can understand messages you send me in regular english.");
sendChatReply(message, "I figure out what you want me to do by looking at the " +
client.SendChatReply(message, "Hello! I'm a reminder bot written by Starbeamrainbowlabs.");
client.SendChatReply(message, "I can understand messages you send me in regular english.");
client.SendChatReply(message, "I figure out what you want me to do by looking at the " +
"first word you say, and how you want me to do it by using my AI.");
sendChatReply(message, "I currently understand the following instructions:\n");
sendChatReply(message, "**Remind:** Set a reminder");
sendChatReply(message, "**List / Show:** List the reminders I have set");
sendChatReply(message, "**Delete / Remove:** Delete a reminder by it's number (find this in the reminder list from the instruction above)");
sendChatReply(message, "\nExample: 'Remind me to feed the cat tomorrow at 6pm'");
client.SendChatReply(message, "I currently understand the following instructions:\n");
client.SendChatReply(message, "**Remind:** Set a reminder");
client.SendChatReply(message, "**List / Show:** List the reminders I have set");
client.SendChatReply(message, "**Delete / Remove:** Delete a reminder by it's number (find this in the reminder list from the instruction above)");
client.SendChatReply(message, "\nExample: 'Remind me to feed the cat tomorrow at 6pm'");
break;
case "delete":
@ -195,19 +221,21 @@ namespace RhinoReminds
if (failed.Count > 0) {
string response = string.Join(", ", failed.Select((int nextId) => $"#{nextId}"));
response = $"Sorry! I can't delete reminder{(failed.Count != 1 ? "s" : "")} {response}, as you didn't create {(failed.Count != 1 ? "them":"it")}.";
sendChatReply(message, response);
client.SendChatReply(message, response);
}
if (succeeded.Count > 0) {
// Ensure that the reminder thread picks up the changes
interruptReminderWatcher();
string response = string.Join(", ", succeeded.Select((int nextId) => $"#{nextId}"));
response = $"Deleted reminder{(succeeded.Count != 1 ? "s" : "")} {response} successfully.";
sendChatReply(message, response);
client.SendChatReply(message, response);
}
break;
case "list":
case "show":
// Filter by reminders for this user.
IEnumerable<Reminder> userReminderList = reminderList.Reminders.Values.Where(
IEnumerable<Reminder> userReminderList = reminderList.Reminders.Where(
(Reminder next) => message.From.GetBareJid() == next.JidObj.GetBareJid()
);
StringBuilder listMessage = new StringBuilder("I've got the following reminders on my list:\n");
@ -216,7 +244,7 @@ namespace RhinoReminds
}
listMessage.AppendLine();
listMessage.AppendLine($"({userReminderList.Count()} total)");
sendChatReply(message, listMessage.ToString());
client.SendChatReply(message, listMessage.ToString());
break;
@ -225,8 +253,8 @@ namespace RhinoReminds
try {
dateTime = AIRecogniser.RecogniseDateTime(messageText, out rawDateTimeString);
} catch (AIException error) {
sendChatReply(message, "Sorry, I had trouble figuring out when you wanted reminding about that!");
sendChatReply(message, $"(Technical details: {error.Message})");
client.SendChatReply(message, "Sorry, I had trouble figuring out when you wanted reminding about that!");
client.SendChatReply(message, $"(Technical details: {error.Message})");
return;
}
Range dateStringLocation = new Range(
@ -239,70 +267,63 @@ namespace RhinoReminds
@"^remind\s+(?:me\s+)?",
@"^me\s+",
@"^on\s+",
@"my",
@"you",
@"your",
@"my",
@"&" // Ampersands cause a crash when sending!
}, new string[] {
" ",
"",
"",
"",
"your",
@"me",
@"my",
"your",
@"and"
}, RegexOptions.IgnoreCase).Trim();
sendChatReply(message, $"Ok! I'll remind you {reminder} at {dateTime}.");
Reminder newReminder = reminderList.CreateReminder(message.From, dateTime, reminder);
if (newReminder == null) {
client.SendChatReply(
message,
"Oops! It looks like you've already got a reminder idential "
+ "to that one set, so I wasn't able to set a reminder for you. Please contact my "
+ "operator, as this is probably a bug."
);
break;
}
client.SendChatReply(message, $"Ok! I'll remind you {reminder} at {dateTime}.");
reminderList.Save(ReminderFilePath);
break;
default:
sendChatReply(message, "I don't understand that. Try rephrasing it or asking for help.");
client.SendChatReply(message, "I don't understand that. Try rephrasing it or asking for help.");
break;
}
}
#region Outgoing
/// <summary>
/// Sends a chat message to the specified JID.
/// </summary>
/// <param name="to">The JID to send the message to.</param>
/// <param name="message">The messaage to send.</param>
private void sendChatMessage(Jid to, string message) {
//Console.WriteLine($"[Rhino/Send/Chat] Sending {message} -> {to}");
client.SendMessage(
to, message,
null, null, MessageType.Chat
);
}
/// <summary>
/// Sends a chat message in direct reply to a given incoming message.
/// </summary>
/// <param name="originalMessage">Original message.</param>
/// <param name="reply">Reply.</param>
private void sendChatReply(Message originalMessage, string reply)
{
//Console.WriteLine($"[Rhino/Send/Reply] Sending {reply} -> {originalMessage.From}");
client.SendMessage(
originalMessage.From, reply,
null, originalMessage.Thread, MessageType.Chat
);
}
#endregion
#region Reminder Listening
private void interruptReminderWatcher()
{
reminderWatcherReset?.Cancel();
reminderWatcherReset = new CancellationTokenSource();
}
private async Task watchForReminders()
{
CancellationTokenSource cancellationSource = new CancellationTokenSource();
CancellationToken cancellationToken = cancellationSource.Token;
interruptReminderWatcher();
Reminder nextReminder = reminderList.GetNextReminder();
// ----- Events -----
// This will run on the firing thread, not on this thread
reminderList.OnReminderListUpdate += (object sender, Reminder newReminder) => {
Reminder newNextReminder = reminderList.GetNextReminder();
//Console.WriteLine("[Rhino/Reminderd/Canceller] Reminder added - comparing.");
@ -310,63 +331,74 @@ namespace RhinoReminds
if (nextReminder != newNextReminder) {
//Console.WriteLine($"[Rhino/Reminderd/Canceller] Cancelling");
nextReminder = newNextReminder;
cancellationSource.Cancel();
interruptReminderWatcher();
}
};
// ------------------
while (true)
{
while (true) {
nextReminder = reminderList.GetNextReminder();
// Wait for the next reminder
TimeSpan nextWaitingTime;
try {
if (nextReminder != null) {
nextWaitingTime = nextReminder.Time - DateTime.Now;
if (DateTime.Now < nextReminder.Time) {
if (DateTime.Now < nextReminder.Time)
{
//Console.WriteLine($"[Rhino/Reminderd] Sleeping for {nextWaitingTime}");
await Task.Delay(nextWaitingTime, cancellationToken);
await Task.Delay(nextWaitingTime, reminderWatcherResetToken);
}
} else {
}
else {
//Console.WriteLine("[Rhino/Reminderd] Sleeping until interrupted");
await Task.Delay(Timeout.Infinite, cancellationToken);
await Task.Delay(Timeout.Infinite, reminderWatcherResetToken);
}
} catch (TaskCanceledException) {
}
catch (TaskCanceledException)
{
//Console.WriteLine("[Rhino/Reminderd] Sleep interrupted, recalculating");
cancellationSource = new CancellationTokenSource();
cancellationToken = cancellationSource.Token;
interruptReminderWatcher();
continue;
}
if (cancellationToken.IsCancellationRequested) {
if (reminderWatcherResetToken.IsCancellationRequested)
{
Console.WriteLine("[Rhino/Reminderd] Sleep interrupted, recalculating (but no exception thrown)");
cancellationSource = new CancellationTokenSource();
cancellationToken = cancellationSource.Token;
interruptReminderWatcher();
continue;
}
Console.WriteLine($"[Rhino/Reminderd] Sending notification {nextReminder}");
sendAndDeleteReminder(nextReminder);
try
{
sendChatMessage(
nextReminder.Jid,
$"Hello! You asked me to remind you {nextReminder.Message} at {nextReminder.Time}.".Trim().Replace(@"\s+", " ")
);
} catch (Exception error) {
Console.Error.WriteLine($"[Rhino/Reminderd] Caught error sending message to client: {error}");
Console.Error.WriteLine($"[Rhink/Reminderd] Offending reminder: {nextReminder}");
sendChatMessage(nextReminder.Jid, "Oops! I encountered an error sending you a reminder. Please contact my operator!");
}
if (nextWaitingTime.TotalMilliseconds < 0) {
sendChatMessage(
client.SendChatMessage(
nextReminder.Jid,
"(Sorry I'm late reminding you! I might not have been running at the time, " +
"or you might have scheduled a reminder for the past)"
);
}
}
}
private void sendAndDeleteReminder(Reminder nextReminder)
{
try
{
client.SendChatMessage(
nextReminder.Jid,
$"Hello! You asked me to remind you {nextReminder.Message} at {nextReminder.Time}.".Trim().Replace(@"\s+", " ")
);
}
catch (Exception error)
{
Console.Error.WriteLine($"[Rhino/Reminderd] Caught error sending message to client: {error}");
Console.Error.WriteLine($"[Rhink/Reminderd] Offending reminder: {nextReminder}");
client.SendChatMessage(nextReminder.Jid, "Oops! I encountered an error sending you a reminder. Please contact my operator!");
}
reminderList.DeleteReminder(nextReminder);
reminderList.Save(ReminderFilePath);
nextReminder = reminderList.GetNextReminder();
}
}
#endregion

17
RhinoReminds/CompareReminders.cs Normal file
View File

@ -0,0 +1,17 @@
using System;
using System.Collections.Generic;
namespace RhinoReminds
{
public class CompareReminders : IComparer<Reminder>
{
public CompareReminders()
{
}
public int Compare(Reminder x, Reminder y)
{
return (int)(x.Time - y.Time).TotalMilliseconds;
}
}
}

69
RhinoReminds/Program.cs
View File

@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using S22.Xmpp;
@ -15,6 +16,7 @@ namespace RhinoReminds
public string Jid = null;
public string AvatarFilepath = string.Empty;
public string PidFile = null;
public string Password = null;
}
@ -48,6 +50,7 @@ namespace RhinoReminds
Console.WriteLine($" -f --file Specify where to save reminders (default: {settings.Filepath})");
Console.WriteLine(" --domain {domain} Set the domain users are allowed to originate at. Defaults to any domain.");
Console.WriteLine(" --avatar Update the XMPP account's avatar to the specified image. By default the avatar is not updated.");
Console.WriteLine(" --pidfile Save our process ID to the specified file, and delete it on exit");
Console.WriteLine();
Console.WriteLine("Environment Variables:");
Console.WriteLine(" XMPP_JID The JID to login to");
@ -67,30 +70,84 @@ namespace RhinoReminds
case "--avatar":
settings.AvatarFilepath = args[++i];
break;
case "--pidfile":
settings.PidFile = args[++i];
break;
default:
Console.Error.WriteLine($"Error: Unknown argument '{args[i]}'.");
return 14;
}
}
settings.Jid = Environment.GetEnvironmentVariable("XMPP_JID");
settings.Password = Environment.GetEnvironmentVariable("XMPP_PASSWORD");
Run();
if (settings.Jid == null) {
Console.Error.WriteLine("Error: No JID specified to login with.");
Console.Error.WriteLine("Do so with the XMPP_JID environment variable!");
return 15;
}
if (settings.Password == null) {
Console.Error.WriteLine("Error: No password specified to login with.");
Console.Error.WriteLine("Do so with the XMPP_PASSWORD environment variable!");
return 16;
}
if (settings.PidFile != null)
setupPidFile();
run();
// We shouldn't ever end up here, but just in case.....
cleanupPidFile();
return 0;
}
public static void Run()
private static void setupPidFile()
{
File.WriteAllText(settings.PidFile, Process.GetCurrentProcess().Id.ToString());
AppDomain.CurrentDomain.ProcessExit += (object sender, EventArgs e) => cleanupPidFile();
AppDomain.CurrentDomain.DomainUnload += (object sender, EventArgs e) => cleanupPidFile();
}
private static void cleanupPidFile() {
// Make sure we only do cleanup once
if (settings.PidFile == null)
return;
File.Delete(settings.PidFile);
settings.PidFile = null;
}
private static void run()
{
ClientListener client = new ClientListener(settings.Jid, settings.Password) {
ReminderFilePath = settings.Filepath
};
client.AllowedDomains.Add(settings.AllowedDomain);
// Connect to the server & start listening
Task clientListener = client.Start();
// Update the avatar if appropriate
if(settings.AvatarFilepath != string.Empty)
if (settings.AvatarFilepath != string.Empty) {
OnConnectedHandler handler = null;
handler = (object sender, OnConnectedEventArgs eventArgs) => {
client.SetAvatar(settings.AvatarFilepath);
Console.WriteLine($"[Program] Set avatar to '{settings.AvatarFilepath}'.");
client.OnConnected -= handler;
};
client.OnConnected += handler;
}
// Connect to the server & start listening
// Make sure the program doesn't exit whilst we're connected
clientListener.Wait();
try
{
client.Start().Wait();
} catch (Exception) {
// Ensure we tidy up after ourselves by deleting the PID file
if (settings.PidFile != null)
cleanupPidFile();
// Re-throw the error
throw;
}
}
}
}

54
RhinoReminds/Reminder.cs
View File

@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
using System.Net;
using System.Xml;
using S22.Xmpp;
@ -6,29 +7,59 @@ using S22.Xmpp;
namespace RhinoReminds
{
public class Reminder
public class Reminder : IEquatable<Reminder>
{
public int Id { get; }
public string Jid { get; }
public Jid JidObj => new Jid(Jid);
public DateTime Time { get; }
public string Jid => JidObj.ToString();
public Jid JidObj { get; }
public DateTime Time { get; private set; }
public string Message { get; }
public Reminder(int inId, string inJid, DateTime inTime, string inMessage)
public Reminder(int inId, Jid inJid, DateTime inTime, string inMessage)
{
Id = inId;
Jid = inJid;
JidObj = inJid.GetBareJid();
Time = inTime;
Message = inMessage;
}
public override string ToString()
{
return $"[Reminder Id={Id}, Jid={Jid}, Time={Time}, Message={Message}";
public void TweakTime() {
Time = Time.AddMilliseconds(1);
}
#region XML
#region Overrides
public override bool Equals(object obj) {
if (!(obj is Reminder)) return false;
Reminder otherReminder = obj as Reminder;
return otherReminder.Id == Id &&
otherReminder.JidObj == JidObj && // Will *always* be a bare Jid
otherReminder.Time == Time &&
otherReminder.Message == Message;
}
// For IEquatable<Reminder> implementation
public bool Equals(Reminder otherReminder) => Equals((object)otherReminder);
public override int GetHashCode() {
int hashCode = -81903051;
hashCode = (hashCode * -1521134295) + Id.GetHashCode();
hashCode = (hashCode * -1521134295) + EqualityComparer<Jid>.Default.GetHashCode(JidObj);
hashCode = (hashCode * -1521134295) + Time.GetHashCode();
hashCode = (hashCode * -1521134295) + EqualityComparer<string>.Default.GetHashCode(Message);
return hashCode;
}
public static bool operator ==(Reminder reminder1, Reminder reminder2) => EqualityComparer<Reminder>.Default.Equals(reminder1, reminder2);
public static bool operator !=(Reminder reminder1, Reminder reminder2) => !(reminder1 == reminder2);
public override string ToString() {
return $"[Reminder Id={Id}, Jid={Jid}, Time={Time}, Message=\"{Message}\"]";
}
#endregion
#region XML
public void WriteToXml(XmlWriter xml)
{
@ -66,7 +97,8 @@ namespace RhinoReminds
return new Reminder(id, jid, dateTime, message);
}
#endregion
}
}

46
RhinoReminds/ReminderList.cs
View File

@ -1,6 +1,5 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Xml;
using S22.Xmpp;
@ -14,7 +13,7 @@ namespace RhinoReminds
private int nextId = 0;
private readonly object saveLock = new object();
public SortedList<DateTime, Reminder> Reminders = new SortedList<DateTime, Reminder>();
public SortedSet<Reminder> Reminders = new SortedSet<Reminder>(new CompareReminders());
public event OnReminderListUpdateHandler OnReminderListUpdate;
@ -29,29 +28,28 @@ namespace RhinoReminds
{
Reminder result = new Reminder(nextId++, $"{inJid.Node}@{inJid.Domain}", time, message);
Console.WriteLine($"[Rhino/ReminderList] Created reminder {result}");
while (Reminders.ContainsKey(time))
time = time.AddMilliseconds(1);
Reminders.Add(time, result);
while (Reminders.Contains(result))
result.TweakTime();
Reminders.Add(result);
OnReminderListUpdate(this, result);
return result;
}
public Reminder GetNextReminder()
{
public Reminder GetNextReminder() {
if (Reminders.Count == 0)
return null;
return Reminders.Values[0];
return Reminders.Min;
}
public Reminder GetById(int targetId)
{
return Reminders.First((KeyValuePair<DateTime, Reminder> nextPair) => nextPair.Value.Id == targetId).Value;
public Reminder GetById(int targetId) {
return Reminders.First((Reminder nextReminder) => nextReminder.Id == targetId);
}
public void DeleteReminder(Reminder nextReminder)
{
Reminders.Remove(nextReminder.Time);
public void DeleteReminder(Reminder nextReminder) {
if (!Reminders.Remove(nextReminder))
throw new ApplicationException($"Error: Failed to remove the reminder {nextReminder} from the list!");
}
@ -62,7 +60,7 @@ namespace RhinoReminds
// Make sure that the reminder thread doesn't try to save the reminders at the exact same time
// we receive a request for a new reminder
lock (saveLock)
{ // FUTURE: We could go lockless here with some work, but it's not worth it for the teeny chance & low overhead
{ // FUTURE: We could go lockless here with some work, but it's not worth it for the teensy chance & low overhead
XmlWriter xml = XmlWriter.Create(
filename,
new XmlWriterSettings() { Indent = true }
@ -74,7 +72,7 @@ namespace RhinoReminds
xml.WriteElementString("NextId", nextId.ToString());
xml.WriteStartElement("Reminders");
foreach (Reminder nextReminder in Reminders.Values)
foreach (Reminder nextReminder in Reminders)
nextReminder.WriteToXml(xml);
xml.WriteEndElement();
@ -89,15 +87,15 @@ namespace RhinoReminds
XmlDocument xml = new XmlDocument();
xml.Load(filepath);
ReminderList result = new ReminderList();
result.nextId = int.Parse(xml.GetElementsByTagName("NextId")[0].InnerText);
foreach (XmlNode reminderXML in xml.GetElementsByTagName("Reminders")[0].ChildNodes)
{
ReminderList result = new ReminderList() {
nextId = int.Parse(xml.GetElementsByTagName("NextId")[0].InnerText)
};
foreach (XmlNode reminderXML in xml.GetElementsByTagName("Reminders")[0].ChildNodes) {
Reminder nextReminder = Reminder.FromXml(reminderXML);
DateTime timeKey = nextReminder.Time;
while (result.Reminders.ContainsKey(timeKey))
timeKey = timeKey.AddMilliseconds(1);
result.Reminders.Add(timeKey, nextReminder);
while (result.Reminders.Contains(nextReminder))
nextReminder.TweakTime();
result.Reminders.Add(nextReminder);
}
return result;

12
RhinoReminds/RhinoReminds.csproj
View File

@ -43,19 +43,19 @@
</Reference>
<Reference Include="System.Xml" />
<Reference Include="Microsoft.Recognizers.Definitions">
<HintPath>..\packages\Microsoft.Recognizers.Text.1.1.3\lib\net462\Microsoft.Recognizers.Definitions.dll</HintPath>
<HintPath>..\packages\Microsoft.Recognizers.Text.1.1.4\lib\net462\Microsoft.Recognizers.Definitions.dll</HintPath>
</Reference>
<Reference Include="Microsoft.Recognizers.Text">
<HintPath>..\packages\Microsoft.Recognizers.Text.1.1.3\lib\net462\Microsoft.Recognizers.Text.dll</HintPath>
<HintPath>..\packages\Microsoft.Recognizers.Text.1.1.4\lib\net462\Microsoft.Recognizers.Text.dll</HintPath>
</Reference>
<Reference Include="Microsoft.Recognizers.Text.Number">
<HintPath>..\packages\Microsoft.Recognizers.Text.Number.1.1.3\lib\net462\Microsoft.Recognizers.Text.Number.dll</HintPath>
<HintPath>..\packages\Microsoft.Recognizers.Text.Number.1.1.4\lib\net462\Microsoft.Recognizers.Text.Number.dll</HintPath>
</Reference>
<Reference Include="Microsoft.Recognizers.Text.NumberWithUnit">
<HintPath>..\packages\Microsoft.Recognizers.Text.NumberWithUnit.1.1.3\lib\net462\Microsoft.Recognizers.Text.NumberWithUnit.dll</HintPath>
<HintPath>..\packages\Microsoft.Recognizers.Text.NumberWithUnit.1.1.4\lib\net462\Microsoft.Recognizers.Text.NumberWithUnit.dll</HintPath>
</Reference>
<Reference Include="Microsoft.Recognizers.Text.DateTime">
<HintPath>..\packages\Microsoft.Recognizers.Text.DateTime.1.1.3\lib\net462\Microsoft.Recognizers.Text.DateTime.dll</HintPath>
<HintPath>..\packages\Microsoft.Recognizers.Text.DateTime.1.1.4\lib\net462\Microsoft.Recognizers.Text.DateTime.dll</HintPath>
</Reference>
</ItemGroup>
<ItemGroup>
@ -68,6 +68,8 @@
<Compile Include="Exceptions.cs" />
<Compile Include="Utilities\Range.cs" />
<Compile Include="Utilities\TextHelpers.cs" />
<Compile Include="SimpleXmppClient.cs" />
<Compile Include="CompareReminders.cs" />
</ItemGroup>
<ItemGroup>
<None Include="packages.config" />

42
RhinoReminds/SimpleXmppClient.cs Normal file
View File

@ -0,0 +1,42 @@
using System;
using S22.Xmpp;
using S22.Xmpp.Client;
using S22.Xmpp.Im;
namespace RhinoReminds
{
public class SimpleXmppClient : XmppClient
{
public SimpleXmppClient(Jid user, string password) : base(user.Domain, user.Node, password)
{
}
/// <summary>
/// Sends a chat message to the specified JID.
/// </summary>
/// <param name="to">The JID to send the message to.</param>
/// <param name="message">The messaage to send.</param>
public void SendChatMessage(Jid to, string message)
{
//Console.WriteLine($"[Rhino/Send/Chat] Sending {message} -> {to}");
SendMessage(
to, message,
null, null, MessageType.Chat
);
}
/// <summary>
/// Sends a chat message in direct reply to a given incoming message.
/// </summary>
/// <param name="originalMessage">Original message.</param>
/// <param name="reply">Reply.</param>
public void SendChatReply(Message originalMessage, string reply)
{
//Console.WriteLine($"[Rhino/Send/Reply] Sending {reply} -> {originalMessage.From}");
SendMessage(
originalMessage.From, reply,
null, originalMessage.Thread, MessageType.Chat
);
}
}
}

8
RhinoReminds/packages.config
View File

@ -1,9 +1,9 @@
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Microsoft.Recognizers.Text" version="1.1.3" targetFramework="net47" />
<package id="Microsoft.Recognizers.Text.DateTime" version="1.1.3" targetFramework="net47" />
<package id="Microsoft.Recognizers.Text.Number" version="1.1.3" targetFramework="net47" />
<package id="Microsoft.Recognizers.Text.NumberWithUnit" version="1.1.3" targetFramework="net47" />
<package id="Microsoft.Recognizers.Text" version="1.1.4" targetFramework="net47" />
<package id="Microsoft.Recognizers.Text.DateTime" version="1.1.4" targetFramework="net47" />
<package id="Microsoft.Recognizers.Text.Number" version="1.1.4" targetFramework="net47" />
<package id="Microsoft.Recognizers.Text.NumberWithUnit" version="1.1.4" targetFramework="net47" />
<package id="S22.Xmpp" version="1.0.0.0" targetFramework="net47" />
<package id="System.Collections.Immutable" version="1.5.0" targetFramework="net47" />
<package id="System.ValueTuple" version="4.5.0" targetFramework="net47" />

53
rhinoreminds.service
View File

@ -2,15 +2,53 @@
Description=RhinoReminds XMPP Bot
After=network.target prosody.service
# No more than 5 crashes in 12 hours
StartLimitIntervalSec=43200
StartLimitBurst=5
[Service]
Type=simple
# Another Type option: forking
User=rhinoreminds
WorkingDirectory=/srv/rhinoreminds
ExecStart=/srv/rhinoreminds/start_service.sh
Type=forking
PIDFile=/run/rhinoreminds/rhinoreminds.pid
# We change our own user
User=root
WorkingDirectory=/srv/kraggwapple
ExecStart=/srv/kraggwapple/start_service.sh
Restart=on-failure
# Other Restart options: or always, on-abort, etc
# Delay restarts by 60 seconds
RestartSec=60
[Install]
WantedBy=multi-user.target
[Unit]
Description=Kraggwapple XMPP Bot
After=network.target prosody.service
# No more than 5 crashes in 12 hours
StartLimitIntervalSec=43200
StartLimitBurst=5
[Service]
Type=forking
PIDFile=/run/kraggwapple.pid
# We change our own user
User=root
WorkingDirectory=/srv/kraggwapple
ExecStart=/srv/kraggwapple/start_service.sh
Restart=on-failure
# Other Restart options: or always, on-abort, etc
# Delay restarts by 60 seconds
RestartSec=60
# If you want logs to be kept automatically in /var/log, uncomment the following & copy "rhinoreminds-rsyslog.conf" in the root of this repository to "/etc/rsyslog.d" - and then do `sudo systemctl restart rsyslog.d`
#StandardOutput=syslog
@ -19,3 +57,8 @@ Restart=on-failure
[Install]
WantedBy=multi-user.target

11
start_service.sh
View File

@ -1,8 +1,15 @@
#!/usr/bin/env bash
source .xmpp_credentials
cd data;
source .xmpp_credentials;
# Execute & disown
# We pass the environment variables explicitly here, as then we don't accidentally pass something private.
# Better to be safe than sorry - defence in depth!
export XMPP_JID;
export XMPP_PASSWORD;
exec /usr/bin/mono RhinoReminds.exe --domain starbeamrainbowlabs.com
# Create the pidfile directory
mkdir /run/rhinoreminds; chmod 0700 /run/rhinoreminds; chown rhinoreminds:rhinoreminds /run/rhinoreminds;
sudo -E -u rhinoreminds bash -c '/usr/bin/mono ../bin/RhinoReminds.exe --domain starbeamrainbowlabs.com --avatar avatar.png & echo "$!" >/run/rhinoreminds/rhinoreminds.pid; disown'