public override async Task <ReplyEnvelope> Dispatch(RequestEnvelope request, ServerCallContext context)
{
var serviceProvider = context.GetHttpContext().RequestServices;
var serviceRegistry = serviceProvider.GetRequiredService <MessageHandlerRegistry>();
var logger = serviceProvider.GetRequiredService <ILogger <DispatcherService> >();
var sw = Stopwatch.StartNew();
try
{
var requestType = System.Type.GetType(request.Type, an => Assembly.Load(an.Name ?? null !), null, true, true) ?? null !;
var messageHandler = serviceRegistry.Resolve(requestType);
if (messageHandler == null)
{
throw new InvalidOperationException($"Message handler for {requestType} not found");
}
var handlerInstance = serviceProvider.GetRequiredService(messageHandler.DeclaringType ?? null !);
var requestMessage = JsonSerializer.Deserialize(JsonFormatter.Default.Format(request.Content), requestType) ?? null !;
var replyMessage = await messageHandler.InvokeAsync(handlerInstance, new object[] { requestMessage });
var replyType = replyMessage?.GetType();
var reply = new ReplyEnvelope
{
CorrelationId = request.CorrelationId,
Type = replyType?.AssemblyQualifiedName ?? string.Empty,
Content = replyMessage == null
? Value.ForNull()
: Value.Parser.ParseJson(JsonSerializer.Serialize(replyMessage)),
Empty = replyMessage == null
};
sw.Stop();
logger.LogInformation("GRPC Dispatch request {requestId} {requestType} responded {status} with {replyType} in {elapsed} ms", request.CorrelationId, requestType.FullName, "OK", replyType?.FullName, sw.Elapsed.TotalMilliseconds);
return(reply);
}
catch (Exception e)
{
var reply = new ReplyEnvelope
{
CorrelationId = request.CorrelationId,
Error = true,
ErrorType = e.GetType().FullName,
ErrorMessage = e.Message,
ErrorDetails = e.ToString()
};
sw.Stop();
logger.LogError(e, "GRPC Dispatch request {requestId} {requestType} responded {status} in {elapsed} ms", request.CorrelationId, request.Type, "ERROR", sw.Elapsed.TotalMilliseconds);
return(reply);
}
}
public override async Task <ReplyEnvelope> Dispatch(RequestEnvelope request, ServerCallContext context)
{
var serviceProvider = context.GetHttpContext().RequestServices;
var serviceRegistry = serviceProvider.GetRequiredService <MessageHandlerRegistry>();
var logger = serviceProvider.GetRequiredService <ILogger <DispatcherService> >();
var sw = Stopwatch.StartNew();
try
{
var requestType = System.Type.GetType(request.Type, an => Assembly.Load(an.Name ?? null !), null, true, true) ?? null !;
var messageHandler = serviceRegistry.Resolve(requestType);
if (messageHandler == null)
{
throw new InvalidOperationException($"Message handler for {requestType} not found");
}
var handlerInstance = serviceProvider.GetRequiredService(messageHandler.DeclaringType ?? null !);
using var ms = new MemoryStream(request.Data.ToByteArray());
var requestMessage = await JsonSerializer.DeserializeAsync(ms, requestType) ?? null !;
var replyMessage = await messageHandler.InvokeAsync(handlerInstance, new object[] { requestMessage });
var replyType = replyMessage?.GetType();
var reply = new ReplyEnvelope
{
CorrelationId = request.CorrelationId,
Type = replyType?.AssemblyQualifiedName ?? string.Empty,
Data = replyMessage == null
? ByteString.Empty
: UnsafeByteOperations.UnsafeWrap(JsonSerializer.SerializeToUtf8Bytes(replyMessage)),
Empty = replyMessage == null
};
sw.Stop();
logger.LogInformation("GRPC Dispatch request {requestId} {requestType} responded {status} with {replyType} in {elapsed} ms", request.CorrelationId, requestType.FullName, "OK", replyType?.FullName, sw.Elapsed.TotalMilliseconds);
return(reply);
}
catch (Exception e)
{
//var serializer = new System.Runtime.Serialization.DataContractSerializer(typeof(EssApplicationException));
//using var ms = new MemoryStream();
//var writer = XmlDictionaryWriter.CreateTextWriter(ms);
//serializer.WriteObject(writer, e);
var reply = new ReplyEnvelope
{
CorrelationId = request.CorrelationId,
Error = true,
ErrorType = e.GetType().AssemblyQualifiedName,
ErrorMessage = e.Message,
ErrorDetails = e.ToString(),
//Data = UnsafeByteOperations.UnsafeWrap(ms.ToArray())
};
sw.Stop();
logger.LogError(e, "GRPC Dispatch request {requestId} {requestType} responded {status} in {elapsed} ms", request.CorrelationId, request.Type, "ERROR", sw.Elapsed.TotalMilliseconds);
return(reply);
}
}
