/// <summary>
/// Build the Message object from data that awaits in a NetworkStream or SslStream.
/// </summary>
/// <returns>True if successful.</returns>
internal async Task <bool> BuildFromStream()
{
try
{
#region Read-Headers
byte[] buffer = new byte[0];
while (true)
{
byte[] data = await WatsonCommon.ReadFromStreamAsync(_DataStream, 1, _ReadStreamBuffer);
if (data != null && data.Length == 1)
{
buffer = WatsonCommon.AppendBytes(buffer, data);
if (buffer.Length >= 4)
{
byte[] endCheck = buffer.Skip(buffer.Length - 4).Take(4).ToArray();
if ((int)endCheck[3] == 10 &&
(int)endCheck[2] == 13 &&
(int)endCheck[1] == 10 &&
(int)endCheck[0] == 13)
{
_Logger?.Invoke(_Header + "ReadHeaders found header demarcation");
break;
}
}
}
}
WatsonMessage msg = SerializationHelper.DeserializeJson <WatsonMessage>(Encoding.UTF8.GetString(buffer));
ContentLength = msg.ContentLength;
PresharedKey = msg.PresharedKey;
Status = msg.Status;
Metadata = msg.Metadata;
SyncRequest = msg.SyncRequest;
SyncResponse = msg.SyncResponse;
SenderTimestamp = msg.SenderTimestamp;
Expiration = msg.Expiration;
ConversationGuid = msg.ConversationGuid;
Compression = msg.Compression;
_Logger?.Invoke(_Header + "BuildFromStream header processing complete" + Environment.NewLine + Encoding.UTF8.GetString(buffer).Trim());
#endregion
return(true);
}
catch (IOException)
{
_Logger?.Invoke(_Header + "BuildStream IOexception, disconnect assumed");
return(false);
}
catch (SocketException)
{
_Logger?.Invoke(_Header + "BuildStream SocketException, disconnect assumed");
return(false);
}
catch (ObjectDisposedException)
{
_Logger?.Invoke(_Header + "BuildStream ObjectDisposedException, disconnect assumed");
return(false);
}
catch (Exception e)
{
_Logger?.Invoke(_Header + "BuildStream exception: " +
Environment.NewLine +
SerializationHelper.SerializeJson(e, true) +
Environment.NewLine);
return(false);
}
}
/// <summary>
/// Build the Message object from data that awaits in a NetworkStream or SslStream.
/// </summary>
/// <returns>True if successful.</returns>
internal async Task <bool> BuildFromStream(CancellationToken token)
{
// {"len":0,"s":"Normal"}\r\n\r\n
byte[] headerBytes = new byte[24];
try
{
#region Read-Headers
await _DataStream.ReadAsync(headerBytes, 0, 24, token).ConfigureAwait(false);
byte[] headerBuffer = new byte[1];
while (true)
{
byte[] endCheck = headerBytes.Skip(headerBytes.Length - 4).Take(4).ToArray();
if ((int)endCheck[3] == 0 &&
(int)endCheck[2] == 0 &&
(int)endCheck[1] == 0 &&
(int)endCheck[0] == 0)
{
_Logger?.Invoke(_Header + "null header data, peer disconnect detected");
return(false);
}
if ((int)endCheck[3] == 10 &&
(int)endCheck[2] == 13 &&
(int)endCheck[1] == 10 &&
(int)endCheck[0] == 13)
{
_Logger?.Invoke(_Header + "found header demarcation");
break;
}
await _DataStream.ReadAsync(headerBuffer, 0, 1, token).ConfigureAwait(false);
headerBytes = WatsonCommon.AppendBytes(headerBytes, headerBuffer);
}
WatsonMessage msg = SerializationHelper.DeserializeJson <WatsonMessage>(Encoding.UTF8.GetString(headerBytes));
ContentLength = msg.ContentLength;
PresharedKey = msg.PresharedKey;
Status = msg.Status;
Metadata = msg.Metadata;
SyncRequest = msg.SyncRequest;
SyncResponse = msg.SyncResponse;
SenderTimestamp = msg.SenderTimestamp;
Expiration = msg.Expiration;
ConversationGuid = msg.ConversationGuid;
_Logger?.Invoke(_Header + "header processing complete" + Environment.NewLine + Encoding.UTF8.GetString(headerBytes).Trim());
#endregion
return(true);
}
catch (TaskCanceledException)
{
_Logger?.Invoke(_Header + "message read canceled");
return(false);
}
catch (OperationCanceledException)
{
_Logger?.Invoke(_Header + "message read canceled");
return(false);
}
catch (ObjectDisposedException)
{
_Logger?.Invoke(_Header + "socket disposed");
return(false);
}
catch (IOException)
{
_Logger?.Invoke(_Header + "non-graceful termination by peer");
return(false);
}
catch (Exception e)
{
_Logger?.Invoke(_Header + "exception encountered: " +
Environment.NewLine +
"Header bytes: " + BitConverter.ToString(headerBytes).Replace("-", String.Empty) +
Environment.NewLine +
"Exception: " + SerializationHelper.SerializeJson(e, true) +
Environment.NewLine);
return(false);
}
}
/// <summary>
/// Build the Message object from data that awaits in a NetworkStream or SslStream.
/// </summary>
/// <returns>True if successful.</returns>
internal async Task <bool> BuildFromStream()
{
try
{
#region Read-Headers
// {"len":0,"s":"Normal"}\r\n\r\n
byte[] headerBytes = new byte[24];
await _DataStream.ReadAsync(headerBytes, 0, 24);
byte[] headerBuffer = new byte[1];
while (true)
{
byte[] endCheck = headerBytes.Skip(headerBytes.Length - 4).Take(4).ToArray();
if ((int)endCheck[3] == 10 &&
(int)endCheck[2] == 13 &&
(int)endCheck[1] == 10 &&
(int)endCheck[0] == 13)
{
_Logger?.Invoke(_Header + "found header demarcation");
break;
}
await _DataStream.ReadAsync(headerBuffer, 0, 1);
headerBytes = WatsonCommon.AppendBytes(headerBytes, headerBuffer);
}
WatsonMessage msg = SerializationHelper.DeserializeJson <WatsonMessage>(Encoding.UTF8.GetString(headerBytes));
ContentLength = msg.ContentLength;
PresharedKey = msg.PresharedKey;
Status = msg.Status;
Metadata = msg.Metadata;
SyncRequest = msg.SyncRequest;
SyncResponse = msg.SyncResponse;
SenderTimestamp = msg.SenderTimestamp;
Expiration = msg.Expiration;
ConversationGuid = msg.ConversationGuid;
_Logger?.Invoke(_Header + "header processing complete" + Environment.NewLine + Encoding.UTF8.GetString(headerBytes).Trim());
#endregion
return(true);
}
catch (IOException)
{
_Logger?.Invoke(_Header + "IOexception, disconnect detected");
return(false);
}
catch (SocketException)
{
_Logger?.Invoke(_Header + "SocketException, disconnect detected");
return(false);
}
catch (ObjectDisposedException)
{
_Logger?.Invoke(_Header + "ObjectDisposedException, disconnect detected");
return(false);
}
catch (Exception e)
{
_Logger?.Invoke(_Header + "exception: " +
Environment.NewLine +
SerializationHelper.SerializeJson(e, true) +
Environment.NewLine);
return(false);
}
}