protected override ObexPacket?OnClientRequest(ObexPacket clientRequestPacket)
{
Console.WriteLine("Opcode: " + clientRequestPacket.Opcode);
if (clientRequestPacket.Opcode == Opcode.Put || clientRequestPacket.Opcode == Opcode.PutAlter)
{
string bodyString;
if (clientRequestPacket.Headers.ContainsKey(HeaderId.EndOfBody))
{
bodyString = ((BodyHeader)clientRequestPacket.Headers[HeaderId.EndOfBody]).Value !;
}
else
{
Console.WriteLine("Recieved header dose not contains EndOfBody, abort! ");
return(null);
}
clientRequestPacket.PrintHeaders();
Console.WriteLine("Body: " + bodyString);
XmlDocument doc = new XmlDocument();
doc.LoadXml(bodyString);
string handle = doc.SelectSingleNode("/MAP-event-report/event/@handle").Value;
MessageReceived?.Invoke(this, new MessageReceivedEventArgs(handle));
return(new ObexPacket(Opcode.Success));
}
return(null);
}
/// <summary>
/// Send OBEX Connect packet to the server.
/// </summary>
/// <param name="targetUuid">A 16-length byte array indicates the UUID of the target service.</param>
/// <exception cref="InvalidOperationException">The Connect method can call only once and it is already called before.</exception>
/// <exception cref="ObexRequestException">The request failed due to an underlying issue such as connection issue, or the server reply with a invalid response</exception>
public async Task Connect(ObexServiceUuid targetService)
{
if (Conntected)
{
throw new InvalidOperationException("ObexClient is already connected to a ObexServer");
}
ObexConnectPacket packet = new ObexConnectPacket(targetService);
var buf = packet.ToBuffer();
Console.WriteLine("Sending OBEX Connection request to server:");
Console.WriteLine(BitConverter.ToString(buf.ToArray()));
Console.WriteLine("Opcode: " + packet.Opcode);
_writer.WriteBuffer(buf);
await _writer.StoreAsync();
Console.WriteLine("Waiting reply packet...");
ObexPacket response = await ObexPacket.ReadFromStream(_reader, packet);
var bytes = response.ToBuffer().ToArray();
Console.WriteLine("Reply packet:");
Console.WriteLine(BitConverter.ToString(bytes));
Console.WriteLine($"ResponseCode: {response.Opcode}");
response.PrintHeaders();
if (response.Opcode != Opcode.Success && response.Opcode != Opcode.SuccessAlt)
{
throw new ObexRequestException($"Unable to connect to the target OBEX service.", response.Opcode);
}
if (response.Headers.ContainsKey(HeaderId.ConnectionId))
{
_connectionIdHeader = (Int32ValueHeader)response.Headers[HeaderId.ConnectionId];
}
Conntected = true;
}