75 lines
2.9 KiB
C#
75 lines
2.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text.Json;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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using MQTTnet;
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using SimApi.Helpers;
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namespace SimApi;
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public partial class Synapse
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{
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private string EventServerTopicPrefix => $"{Options.SysName}/event/";
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private void RunEventServer()
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{
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Client!.ApplicationMessageReceivedAsync += async e =>
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{
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if (!e.ApplicationMessage.Topic.StartsWith(EventServerTopicPrefix)) return;
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var reqBody = e.ApplicationMessage.ConvertPayloadToString();
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var eventName = e.ApplicationMessage.Topic.Replace(EventServerTopicPrefix, string.Empty);
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logger.LogDebug("Synapse Event Receive: {EventName}\n{Body}", eventName, reqBody);
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var methods = EventRegistry
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.Where(x => Regex.IsMatch(eventName,
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"^" + Regex.Escape(x.Key!).Replace("\\+", "[^/]+").Replace("\\#", ".*") + "$"))
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.ToArray();
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var tasks = methods.Select(method => Task.Run(() =>
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{
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var callClass = sp.CreateScope().ServiceProvider.GetRequiredService(method.Class!);
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var mt = callClass.GetType().GetMethod(method.Method!);
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try
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{
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if (mt!.GetParameters().Length == 2)
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{
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var pt = mt.GetParameters()[1].ParameterType;
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mt.Invoke(callClass, pt == typeof(string)
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? new object?[] { eventName, reqBody }
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: new object?[] { eventName, JsonSerializer.Deserialize(reqBody, pt, SimApiUtil.JsonOption) });
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}
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else
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{
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mt.Invoke(callClass, new object[] { eventName });
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}
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}
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catch (Exception ex)
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{
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logger.LogError("Synapse Event Processor Error: {Err}\n{Stack}", ex.Message, ex.StackTrace);
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}
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}))
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.ToList();
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await Task.WhenAll(tasks);
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};
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SubEventServerTopic();
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}
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private void SubEventServerTopic()
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{
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foreach (var ev in EventRegistry)
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{
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var topic = $"{EventServerTopicPrefix}{ev.Key}";
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if (Options.EventLoadBalancing)
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{
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topic = "$queue/" + topic;
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}
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var evSubOpts = MqttFactory.CreateSubscribeOptionsBuilder()
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.WithTopicFilter(o => o.WithTopic(topic)).Build();
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Client!.SubscribeAsync(evSubOpts).Wait();
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logger.LogDebug("Synapse Event Register Event Success: {EventName}\nFull Topic: {Topic}", ev.Key, topic);
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}
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}
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} |