private static async Task Ping(MattermostWebsocket socket) {
while (!_cancellationToken.IsCancellationRequested) {
var statuses = await socket.GetStatusesAsync(2000);
if (statuses == null) throw new TimeoutException("Timeout getting statuses");
if (statuses.Status != "OK") throw new Exception("Websocket Error");
if (string.IsNullOrWhiteSpace(BotUserId)) throw new Exception("bot user id unknown");
await Task.Delay(TimeSpan.FromMinutes(5), _cancellationToken);
}
}
private static async Task MainAsync() {
if (_configuration.Repl) {
Repl();
return;
}
var url = _configuration.ServerUri.TrimEnd('/') + "/api/v4/websocket";
url = Regex.Replace(url, "^https:", "wss:");
url = Regex.Replace(url, "^http:", "ws:");
using var socket = new MattermostWebsocket(new Uri(url), cancellationToken: _cancellationToken);
socket.OnPosted += e => {
Console.WriteLine($"{e.ChannelDisplayName}> {e.Post.Message}");
if (BotUserId == e.Post.UserId) return;
void Reply(string message) => Processing.CreatePost(message, e.Post.ChannelId, e.Post.GetReplyPostId());
if (e.Post.Message.Equals("nb_kill", StringComparison.InvariantCultureIgnoreCase)) {
try {
Reply(":dizzy_face:");
} finally {
KillMe();
}
}
if (e.Post.Message.Equals("nb_krp", StringComparison.InvariantCultureIgnoreCase)) {
try {
Processing.KillRunningProcess?.Invoke();
} catch (Exception ex) {
Reply($"Failed... {ex.Message}");
}
}
PostedChannel.Writer.WriteAsync(e, _cancellationToken).GetAwaiter().GetResult();
};
socket.OnHello += sv => { Console.WriteLine($"ServerVersion: {sv}"); };
socket.OnBotUserId += id => { BotUserId = id; };
socket.OnWebSocketResponse += r => {
if (!string.IsNullOrEmpty(r.Status)) Console.WriteLine($"Status: {r.Status} seq={r.SeqReply}");
if (!string.IsNullOrEmpty(r.Event)) Console.WriteLine($"Event: {r.Event} seq={r.Seq}");
if (r.Error != null && r.Error.Any())
foreach (var (k, v) in r.Error) {
Console.WriteLine($"ERROR: {k}:{v}");
}
};
if (_configuration.Verbose) socket.OnJsonMessage += Console.WriteLine;
await socket.Authenticate(_configuration.Token);
var listenTask = socket.Listen();
var pingTask = Ping(socket);
var processingTask = Process();
// Tasks only finish if there is something wrong
var endedTask = await Task.WhenAny(processingTask, listenTask, pingTask);
await endedTask;
}
