async Task ProcessTwinAsync(IProtocolGatewayMessage protocolGatewayMessage)
{
var properties = new Dictionary<StringSegment, StringSegment>();
if (TwinAddressHelper.TryParseOperation(protocolGatewayMessage.Address, properties, out TwinAddressHelper.Operation operation, out StringSegment subresource))
{
bool hasCorrelationId = properties.TryGetValue(RequestId, out StringSegment correlationId);
switch (operation)
{
case TwinAddressHelper.Operation.TwinGetState:
EnsureNoSubresource(subresource);
if (!hasCorrelationId || correlationId.Length == 0)
{
throw new InvalidOperationException("Correlation id is missing or empty.");
}
await this.deviceListener.SendGetTwinRequest(correlationId.ToString());
Events.GetTwin(this.deviceListener.Identity);
break;
case TwinAddressHelper.Operation.TwinPatchReportedState:
EnsureNoSubresource(subresource);
IMessage forwardMessage = new EdgeMessage.Builder(this.byteBufferConverter.ToByteArray(protocolGatewayMessage.Payload))
.Build();
await this.deviceListener.UpdateReportedPropertiesAsync(forwardMessage, hasCorrelationId ? correlationId.ToString() : string.Empty);
Events.UpdateReportedProperties(this.deviceListener.Identity);
break;
default:
throw new InvalidOperationException("Twin operation is not supported.");
}
}
public Task <DirectMethodResponse> InvokeMethodAsync(DirectMethodRequest request)
{
string address = TwinAddressHelper.FormatDeviceMethodRequestAddress(request.CorrelationId, request.Name);
IProtocolGatewayMessage pgMessage = new ProtocolGatewayMessage.Builder(this.byteBufferConverter.ToByteBuffer(request.Data), address)
.WithCreatedTimeUtc(DateTime.UtcNow)
.Build();
this.channel.Handle(pgMessage);
return(Task.FromResult(default(DirectMethodResponse)));
}
