85 lines
3.9 KiB
C#
85 lines
3.9 KiB
C#
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using System;
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using System.Linq;
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using System.Text;
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using System.Text.Encodings.Web;
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using System.Text.Json;
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using System.Text.Unicode;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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using RabbitMQ.Client.Events;
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using SimApi.Communications;
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using SimApi.Exceptions;
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using JsonSerializer = System.Text.Json.JsonSerializer;
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namespace SimApi;
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public partial class Synapse
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{
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private void RunRpcServer()
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{
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RpcServerChannel = CreateChannel(Options.RpcProcessorNum, "RpcServer");
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var queue = $"{Options.SysName}_{Options.AppName}_server";
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var router = $"server.{Options.AppName}";
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RpcServerChannel.QueueDeclare(queue, true, false, true, null);
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RpcServerChannel.QueueBind(queue, Options.SysName, router, null);
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var consumer = new EventingBasicConsumer(RpcServerChannel);
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consumer.Received += (ch, ea) =>
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{
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var reqBody = Encoding.UTF8.GetString(ea.Body.ToArray());
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Logger.LogDebug(
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"RPC Receive: ({BasicPropertiesMessageId}) {BasicPropertiesReplyTo} -> {BasicPropertiesType}@{OptionsAppName}\n{S}",
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ea.BasicProperties.MessageId, ea.BasicProperties.ReplyTo, ea.BasicProperties.Type, Options.AppName,
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reqBody);
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var res = new SimApiBaseResponse(404, "method not found");
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var method = RpcRegistry.FirstOrDefault(x => x.Key == ea.BasicProperties.Type);
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if (method != null)
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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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if (mt != null)
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{
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try
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{
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var pt = mt.GetParameters()[0].ParameterType;
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if (pt == typeof(string))
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{
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var ret = mt.Invoke(callClass, new[] { reqBody });
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res = new SimApiBaseResponse<object>(ret);
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}
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else
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{
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var ret = mt.Invoke(callClass, new[] { JsonSerializer.Deserialize(reqBody, pt) });
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res = new SimApiBaseResponse<object>(ret);
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}
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}
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catch (SimApiException e)
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{
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res = new SimApiBaseResponse(e.Code, e.Message);
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}
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catch (Exception e)
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{
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res = new SimApiBaseResponse(500, e.ToString());
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}
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}
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}
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var returnJson = JsonSerializer.Serialize((SimApiBaseResponse<object>)res, new JsonSerializerOptions
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{
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Encoder = JavaScriptEncoder.Create(UnicodeRanges.All),
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
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});
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var reply = $"client.{ea.BasicProperties.ReplyTo}.{ea.BasicProperties.AppId}";
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var props = RpcServerChannel.CreateBasicProperties();
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props.AppId = Options.AppId;
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props.CorrelationId = ea.BasicProperties.MessageId;
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props.MessageId = Guid.NewGuid().ToString();
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props.ReplyTo = Options.AppName;
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props.Type = ea.BasicProperties.Type;
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RpcServerChannel.BasicPublish(Options.SysName, reply, false, props, Encoding.UTF8.GetBytes(returnJson));
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Logger.LogDebug(
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"Rpc Return: ({BasicPropertiesMessageId}) {BasicPropertiesType}@{OptionsAppName} -> {BasicPropertiesReplyTo}\n{ReturnJson}",
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ea.BasicProperties.MessageId, ea.BasicProperties.Type, Options.AppName, ea.BasicProperties.ReplyTo,
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returnJson);
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};
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RpcServerChannel.BasicConsume(queue, true, "", false, false, null, consumer);
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}
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}
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