public async Task WriteInvocationDescriptorAsync(InvocationDescriptor invocationDescriptor, Stream stream)
{
var outputStream = new CodedOutputStream(stream, leaveOpen: true);
outputStream.WriteMessage(new RpcMessageKind()
{
MessageKind = RpcMessageKind.Types.Kind.Invocation
});
var invocationHeader = new RpcInvocationHeader()
{
Id = 0,
Name = invocationDescriptor.Method,
NumArgs = invocationDescriptor.Arguments.Length
};
outputStream.WriteMessage(invocationHeader);
foreach (var arg in invocationDescriptor.Arguments)
{
if (arg.GetType() == typeof(int))
{
outputStream.WriteMessage(new PrimitiveValue {
Int32Value = (int)arg
});
}
else if (arg.GetType() == typeof(string))
{
outputStream.WriteMessage(new PrimitiveValue {
StringValue = (string)arg
});
}
else
{
var serializer = _serviceProvider.GetRequiredService <ProtobufSerializer>();
var message = serializer.GetMessage(arg);
outputStream.WriteMessage(message);
}
}
outputStream.Flush();
await stream.FlushAsync();
}
private Task <InvocationDescriptor> CreateInvocationDescriptorInt(Stream stream, Func <string, Type[]> getParams)
{
var inputStream = new CodedInputStream(stream, leaveOpen: true);
var invocationHeader = new RpcInvocationHeader();
inputStream.ReadMessage(invocationHeader);
var argumentTypes = getParams(invocationHeader.Name);
var invocationDescriptor = new InvocationDescriptor();
invocationDescriptor.Method = invocationHeader.Name;
invocationDescriptor.Id = invocationHeader.Id.ToString();
invocationDescriptor.Arguments = new object[argumentTypes.Length];
var primitiveParser = PrimitiveValue.Parser;
for (var i = 0; i < argumentTypes.Length; i++)
{
if (typeof(int) == argumentTypes[i])
{
var value = new PrimitiveValue();
inputStream.ReadMessage(value);
invocationDescriptor.Arguments[i] = value.Int32Value;
}
else if (typeof(string) == argumentTypes[i])
{
var value = new PrimitiveValue();
inputStream.ReadMessage(value);
invocationDescriptor.Arguments[i] = value.StringValue;
}
else
{
var serializer = _serviceProvider.GetRequiredService <ProtobufSerializer>();
invocationDescriptor.Arguments[i] = serializer.GetValue(inputStream, argumentTypes[i]);
}
}
return(Task.FromResult(invocationDescriptor));
}
