private static FileStream TryCreateFileStream(string file)
{
try
{
var share = FileShare.ReadWrite | FileShare.Delete;
return(new FileStream(file, FileMode.Open, FileAccess.Read, share, 4096, FileOptions.SequentialScan));
}
catch (Exception ex)
{
_Log.WarnFormat("Unable to open file: {0}", ex, file);
}
return(null);
}
/// <summary>
/// Callback method called by the NetworkStream's thread when a message
/// arrives.
/// </summary>
/// <param name="state">The state object holding information about
/// the connection.</param>
private void ReceiveComplete(IAsyncResult state)
{
try
{
int bytesReceived = 0;
using (new ReadOnlyLock(_socketLock))
{
if (_TcpClient != null)
{
bytesReceived = _TcpClient.GetStream().EndRead(state);
}
}
//if there are bytes to process, do so. Otherwise, the
//connection has been lost, so clean it up
if (bytesReceived > 0)
{
try
{
//send the incoming message to the message handler
_MessageHandler(this);
}
catch (Exception ex)
{
_Log.Error(string.Format("Instance {0} - {1} => Receive message handler failed.", this.GetHashCode(), _ThreadId), ex);
}
}
// XXX: If readBytesCount == 0 --> Connection has been closed.
// XXX: Access _TcpClient.Client.Available to ensure socket is still working..
//start listening again
Receive();
}
catch (Exception ex)
{
_Log.Warn("Receive failed.", ex);
//the connection has been dropped so call the CloseHandler
try
{
_SocketCloseHandler(this);
}
finally
{
_Log.WarnFormat("Instance {0} - {1} => Connection terminated, disposing..", this.GetHashCode(), _ThreadId);
Dispose();
}
}
}
public void DeployLibrary(Stream stream, string fileName, DateTime timestamp)
{
var compressed = fileName.EndsWith(".gz", StringComparison.InvariantCultureIgnoreCase);
fileName = compressed ? Path.GetFileNameWithoutExtension(fileName) : fileName;
fileName = Path.Combine(_OutputPath, fileName);
if (File.Exists(fileName))
{
if (File.GetLastWriteTime(fileName) > timestamp)
{
return;
}
if (IsFileLocked(fileName))
{
_Log.WarnFormat("Unable to update {0}: file in use!", fileName);
return;
}
}
_Log.InfoFormat("Deploying embedded {0} to {1}..", Path.GetFileName(fileName), _OutputPath);
byte[] hash = null;
using (var input = compressed ? new GZipStream(stream, CompressionMode.Decompress, false) : stream)
using (var output = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
{
hash = CopyStream(input, output);
}
_Log.InfoFormat("Deployed {0} with md5sum: {1}.", fileName, string.Concat(hash.Select(b => b.ToString("X2")).ToArray()));
if (Environment.OSVersion.Platform == PlatformID.Unix)
{
// Set as executable (only applies to mono)..
var attrs = File.GetAttributes(fileName);
File.SetAttributes(fileName, (FileAttributes)((uint)attrs | 0x80000000));
}
}
private static void DeployLibrary(string resource)
{
var resourcePath = GetResourcePath();
var fileName = resource.Substring(resourcePath.Length + 1);
var compressed = fileName.EndsWith(".gz", StringComparison.InvariantCultureIgnoreCase);
fileName = compressed ? Path.GetFileNameWithoutExtension(fileName) : fileName;
fileName = Path.Combine(_OutputPath, fileName);
if (File.Exists(fileName))
{
if (File.GetLastWriteTime(fileName) > File.GetLastWriteTime(Assembly.Location))
{
return;
}
if (IsFileLocked(fileName))
{
_Log.WarnFormat("Unable to update {0}: file in use!", fileName);
return;
}
}
_Log.InfoFormat("Deploying embedded {0} to {1}..", Path.GetFileName(fileName), _OutputPath);
var res = Assembly.GetManifestResourceStream(resource);
using (var input = compressed ? new GZipStream(res, CompressionMode.Decompress, false) : res)
using (var output = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
{
CopyStream(input, output);
}
if (Environment.OSVersion.Platform == PlatformID.Unix)
{
// Set as executable (only applies to mono)..
var attrs = File.GetAttributes(fileName);
File.SetAttributes(fileName, (FileAttributes)((uint)attrs | 0x80000000));
}
}
public void WarnFormat(IFormatProvider provider, String format, params Object[] args)
{
_log.WarnFormat(provider, format, args);
}
private PDU WaitPDU()
{
PDUHeader header = null;
PDU pdu = null;
byte[] bodyBytes = null;
byte[] headerBytes = null;
//--
try { headerBytes = ReadHeaderBytes(); }
catch (TcpIpException tcpIp_ex_1)
{
_Log.ErrorFormat("200010:TCP/IP Exception encountered while reading pdu header bytes: {0}", tcpIp_ex_1, tcpIp_ex_1.Message);
if (vTraceSwitch.TraceInfo)
{
Trace.WriteLine(string.Format(
"200010:TCP/IP Exception encountered while reading pdu header bytes:{0};",
tcpIp_ex_1.Message));
}
HandleException(tcpIp_ex_1); throw;
}
//--
header = PDUHeader.Parse(new ByteBuffer(headerBytes), vSmppEncodingService);
_Log.TraceFormat("PDU header: {0}", Logging.LoggingExtensions.DumpString(header, vSmppEncodingService));
try { pdu = PDU.CreatePDU(header, vSmppEncodingService); }
catch (InvalidPDUCommandException inv_ex)
{
ByteBuffer iBuffer = new ByteBuffer((int)header.CommandLength);
iBuffer.Append(header.GetBytes(vSmppEncodingService));
if (header.CommandLength > 16)
{
try { iBuffer.Append(ReadBodyBytes((int)header.CommandLength - 16)); }
catch (TcpIpException tcpIp_ex_3) { HandleException(tcpIp_ex_3); }
}
_Log.WarnFormat("200011:Invalid PDU command type:{0};", iBuffer.DumpString());
if (vTraceSwitch.TraceWarning)
{
Trace.WriteLine(string.Format(
"200011:Invalid PDU command type:{0};", iBuffer.DumpString()));
}
RaisePduErrorEvent(inv_ex, iBuffer.ToBytes(), header, null);
throw;
}
//--
try { bodyBytes = ReadBodyBytes((int)header.CommandLength - 16); }
catch (TcpIpException tpcIp_ex_2)
{
_Log.ErrorFormat("200012:TCP/IP Exception encountered while reading pdu body bytes: {0}", tpcIp_ex_2, tpcIp_ex_2.Message);
if (vTraceSwitch.TraceInfo)
{
Trace.WriteLine(string.Format(
"200012:TCP/IP Exception encountered while reading pdu body bytes:{0};",
tpcIp_ex_2.Message));
}
HandleException(tpcIp_ex_2); throw;
}
//--
try { pdu.SetBodyData(new ByteBuffer(bodyBytes)); }
catch (PDUException pdu_ex)
{
ByteBuffer pBuffer = new ByteBuffer((int)header.CommandLength);
pBuffer.Append(headerBytes);
pBuffer.Append(bodyBytes);
RaisePduErrorEvent(pdu_ex, pBuffer.ToBytes(), header, pdu);
_Log.WarnFormat("200013:Malformed PDU body received:{0}", pdu_ex, pBuffer.DumpString());
if (vTraceSwitch.TraceWarning)
{
Trace.WriteLine(string.Format(
"200013:Malformed PDU body received:{0} {1};", pBuffer.DumpString(), pdu_ex.Message));
}
throw;
}
return(pdu);
}
