// helper for reflection
internal async ValueTask WriteResponseMessageNil(Task value)
{
if (MessageId == -1) // don't write.
{
return;
}
// MessageFormat:
// response: [messageId, methodId, response]
byte[] BuildMessage()
{
using (var buffer = ArrayPoolBufferWriter.RentThreadStaticWriter())
{
var writer = new MessagePackWriter(buffer);
writer.WriteArrayHeader(3);
writer.Write(MessageId);
writer.Write(MethodId);
writer.WriteNil();
writer.Flush();
return(buffer.WrittenSpan.ToArray());
}
}
await value.ConfigureAwait(false);
var result = BuildMessage();
using (await AsyncWriterLock.LockAsync().ConfigureAwait(false))
{
await ServiceContext.ResponseStream !.WriteAsync(result).ConfigureAwait(false);
}
responseSize = result.Length;
responseType = typeof(Nil);
}
internal async ValueTask WriteErrorMessage(int statusCode, string detail, Exception ex, bool isReturnExceptionStackTraceInErrorDetail)
{
// MessageFormat:
// error-response: [messageId, statusCode, detail, StringMessage]
var rent = System.Buffers.ArrayPool <byte> .Shared.Rent(ushort.MaxValue);
var buffer = rent;
byte[] result;
try
{
var offset = 0;
offset += MessagePackBinary.WriteArrayHeader(ref buffer, offset, 4);
offset += MessagePackBinary.WriteInt32(ref buffer, offset, MessageId);
offset += MessagePackBinary.WriteInt32(ref buffer, offset, statusCode);
offset += MessagePackBinary.WriteString(ref buffer, offset, detail);
var msg = (isReturnExceptionStackTraceInErrorDetail)
? ex.ToString()
: null;
if (msg != null)
{
offset += LZ4MessagePackSerializer.SerializeToBlock(ref buffer, offset, msg, FormatterResolver);
}
else
{
offset += MessagePackBinary.WriteNil(ref buffer, offset);
}
result = MessagePackBinary.FastCloneWithResize(buffer, offset);
}
finally
{
System.Buffers.ArrayPool <byte> .Shared.Return(rent);
}
using (await AsyncWriterLock.LockAsync().ConfigureAwait(false))
{
await ServiceContext.ResponseStream.WriteAsync(result).ConfigureAwait(false);
}
responseSize = result.Length;
}
internal async ValueTask WriteErrorMessage(int statusCode, string detail, Exception?ex, bool isReturnExceptionStackTraceInErrorDetail)
{
// MessageFormat:
// error-response: [messageId, statusCode, detail, StringMessage]
byte[] BuildMessage()
{
using (var buffer = ArrayPoolBufferWriter.RentThreadStaticWriter())
{
var writer = new MessagePackWriter(buffer);
writer.WriteArrayHeader(4);
writer.Write(MessageId);
writer.Write(statusCode);
writer.Write(detail);
var msg = (isReturnExceptionStackTraceInErrorDetail && ex != null)
? ex.ToString()
: null;
if (msg != null)
{
MessagePackSerializer.Serialize(ref writer, msg, SerializerOptions);
}
else
{
writer.WriteNil();
}
writer.Flush();
return(buffer.WrittenSpan.ToArray());
}
}
var result = BuildMessage();
using (await AsyncWriterLock.LockAsync().ConfigureAwait(false))
{
await ServiceContext.ResponseStream !.WriteAsync(result).ConfigureAwait(false);
}
responseSize = result.Length;
}
// helper for reflection
internal async ValueTask WriteResponseMessageNil(Task value)
{
if (MessageId == -1) // don't write.
{
return;
}
// MessageFormat:
// response: [messageId, methodId, response]
var rent = System.Buffers.ArrayPool <byte> .Shared.Rent(ushort.MaxValue);
var buffer = rent;
byte[] result;
try
{
var offset = 0;
offset += MessagePackBinary.WriteArrayHeader(ref buffer, offset, 3);
offset += MessagePackBinary.WriteInt32(ref buffer, offset, MessageId);
offset += MessagePackBinary.WriteInt32(ref buffer, offset, MethodId);
await value.ConfigureAwait(false);
offset += LZ4MessagePackSerializer.SerializeToBlock(ref buffer, offset, Nil.Default, FormatterResolver);
result = MessagePackBinary.FastCloneWithResize(buffer, offset);
}
finally
{
System.Buffers.ArrayPool <byte> .Shared.Return(rent);
}
using (await AsyncWriterLock.LockAsync().ConfigureAwait(false))
{
await ServiceContext.ResponseStream.WriteAsync(result).ConfigureAwait(false);
}
responseSize = result.Length;
responseType = typeof(Nil);
}