/// <summary>
/// Performs an initial read of the received data to see if it looks like a
/// valid request.
/// </summary>
/// <param name="socket"><see cref="AsyncSocket"/></param>
public void InitialRead(AsyncSocket socket)
{
this.socket = socket;
socket.DidReadTimeout += new AsyncSocket.SocketDidReadTimeout(socket_DidReadTimeout);
// log where this notification came from
bool isLocal = System.Net.IPAddress.IsLoopback(socket.RemoteAddress);
bool isLAN = Growl.CoreLibrary.IPUtilities.IsInSameSubnet(socket.LocalAddress, socket.RemoteAddress);
this.requestInfo.SaveHandlingInfo(String.Format("Notification Origin: {0} [{1}]", socket.RemoteAddress.ToString(), (isLocal ? "LOCAL MACHINE" : (isLAN ? "LAN - same subnet" : "REMOTE NETWORK"))));
// read the first 4 bytes so we know what kind of request this is (GNTP, GNTP over WebSocket, Flash Policy request, etc)
socket.DidRead += new AsyncSocket.SocketDidRead(this.SocketDidReadIndicatorBytes);
socket.Read(4, TIMEOUT_INITIALREAD, ACCEPT_TAG);
}
/// <summary>
/// Handles the socket's DidRead event.
/// </summary>
/// <param name="socket">The <see cref="AsyncSocket"/></param>
/// <param name="readBytes">Array of <see cref="byte"/>s that were read</param>
/// <param name="tag">The tag identifying the read operation</param>
protected virtual void SocketDidRead(AsyncSocket socket, byte[] readBytes, long tag)
{
try
{
Data data = new Data(readBytes);
this.AlreadyReceivedData.Append(data.ToString());
GNTPParser parser = (GNTPParser)socket.Tag;
NextIndicator next = parser.Parse(readBytes);
if (next.ShouldContinue)
{
if (next.UseBytes)
socket.Read(next.Bytes, TIMEOUT_GNTP_HEADER, parser.Tag);
else
socket.Read(next.Length, TIMEOUT_GNTP_BINARY, parser.Tag);
}
}
catch (GrowlException gEx)
{
OnError(gEx.ErrorCode, gEx.Message, gEx.AdditionalInfo);
}
catch (Exception ex)
{
OnError(ErrorCode.INVALID_REQUEST, ErrorDescription.MALFORMED_REQUEST, ex.Message);
}
}