public async Task <string> WelcomeFromReceiver(Stream stream)
{
try {
stream = new PXExceptionsFilterStream(stream);
var reader = new PXBinaryReaderAsync(stream);
var writer = new PXBinaryWriterAsync(stream);
if (await reader.ReadInt16() == PLLP_VERSION)
{
writer.Write(PLLP_SIGNAL_VERSION_OK);
await writer.FlushAsync();
}
else
{
writer.Write(PLLP_SIGNAL_INCORRECT_VERSION);
await writer.FlushAsync();
throw new PLLPVersionIncorrectException();
}
Guid id;
if (await reader.ReadBool())
{
id = (await reader.ReadGuid());
}
else
{
id = Guid.NewGuid();
writer.Write(id);
await writer.FlushAsync();
}
return(id.ToString());
} catch (PLLPVersionIncorrectException) {
throw;
} catch (PXConnectionClosedRemoteException) {
throw;
} catch (Exception e) {
throw new PLLPUknownException(e);
}
}
public async Task <string> WelcomeFromSender(Stream stream, string reconnectingClientId)
{
try {
stream = new PXExceptionsFilterStream(stream);
var reader = new PXBinaryReaderAsync(stream);
var writer = new PXBinaryWriterAsync(stream);
writer.Write(PLLP_VERSION);
await writer.FlushAsync();
if (await reader.ReadInt16() != PLLP_SIGNAL_VERSION_OK)
{
throw new PLLPVersionIncorrectException();
}
if (reconnectingClientId != null)
{
writer.Write(true);
writer.Write(Guid.Parse(reconnectingClientId));
await writer.FlushAsync();
return(reconnectingClientId);
}
else
{
writer.Write(false);
await writer.FlushAsync();
return((await reader.ReadGuid()).ToString());
}
} catch (PLLPVersionIncorrectException) {
throw;
} catch (PXConnectionClosedRemoteException) {
throw;
} catch (Exception e) {
throw new PLLPUknownException(e);
}
}
