private void RaiseRTPArrived(RTPPacketEventArgs eventArgs)
{
if (this.RTPArrived != null)
{
RTPArrived(this, eventArgs);
}
}
/// <summary>
/// Event handler called when a Pcap Packet has arrived
/// </summary>
/// <param name="sender">who raised it</param>
/// <param name="packet">the packet</param>
private void device_PcapOnPacketArrival(object sender, Packet packet)
{
string s;
try
{
// not certain if this will be needed, but just for keep sake
if (packet is TCPPacket)
{
/*
* DateTime time = packet.PcapHeader.Date;
* int len = packet.PcapHeader.PacketLength;
*
* TCPPacket tcp = (TCPPacket)packet;
* string srcIp = tcp.SourceAddress;
* string dstIp = tcp.DestinationAddress;
* int srcPort = tcp.SourcePort;
* int dstPort = tcp.estinationPort;
*
* Console.WriteLine( "{0}:{1}:{2},{3} Len={4} {5}:{6} -> {7}:{8}",
* time.Hour, time.Minute, time.Second, time.Millisecond, len,
* srcIp, srcPort, dstIp, dstPort );
*/
}
else if (packet is UDPPacket)
{
IPPacket p = packet as IPPacket;
//if( p.DestinationAddress.Equals( ipAddress ) )
{
DateTime time = packet.PcapHeader.Date;
int len = packet.PcapHeader.PacketLength;
UDPPacket udpPacket = (UDPPacket)packet;
SipParser parser;
if (packet.Data.Length > 0)
{
// TODO: Is there a better way here?
s = System.Text.ASCIIEncoding.ASCII.GetString(packet.Data);
if (s.Length > 0)
{
if (s.Contains("SIP"))
{
//DumpPacketToFiles( s );
//outs = String.Format( "{0}:{1}:{2},{3} Len={4} {5}:{6} -> {7}:{8}",
// time.Hour, time.Minute, time.Second, time.Millisecond, len,
// srcIp, srcPort, dstIp, dstPort );
//this.sw.WriteLine( outs );
//this.sw.Write( s );
//this.sw.Flush();
parser = new SipParser(s, ipAddress, udpPacket.DestinationAddress);
//Console.WriteLine(
// String.Format( "{0} {1} {2}",
// parser.SipStatus, parser.SipStatusString, parser.ToField ) );
RaiseSipArrived(parser);
packetCount++;
}
else
{
RTPPacketEventArgs eventArgs;
eventArgs = new RTPPacketEventArgs(udpPacket.DestinationPort, udpPacket.Data);
RaiseRTPArrived(eventArgs);
}
}
}
}
}
}
catch (Exception ex)
{
ClsException.WriteToErrorLogFile(ex);
}
}
private void RaiseRTPArrived( RTPPacketEventArgs eventArgs )
{
if( this.RTPArrived != null )
{
RTPArrived( this, eventArgs );
}
}
/// <summary>
/// Event handler called when a Pcap Packet has arrived
/// </summary>
/// <param name="sender">who raised it</param>
/// <param name="packet">the packet</param>
private void device_PcapOnPacketArrival( object sender, Packet packet )
{
string s;
try
{
// not certain if this will be needed, but just for keep sake
if( packet is TCPPacket )
{
/*
DateTime time = packet.PcapHeader.Date;
int len = packet.PcapHeader.PacketLength;
TCPPacket tcp = (TCPPacket)packet;
string srcIp = tcp.SourceAddress;
string dstIp = tcp.DestinationAddress;
int srcPort = tcp.SourcePort;
int dstPort = tcp.estinationPort;
Console.WriteLine( "{0}:{1}:{2},{3} Len={4} {5}:{6} -> {7}:{8}",
time.Hour, time.Minute, time.Second, time.Millisecond, len,
srcIp, srcPort, dstIp, dstPort );
*/
}
else if( packet is UDPPacket )
{
IPPacket p = packet as IPPacket;
//if( p.DestinationAddress.Equals( ipAddress ) )
{
DateTime time = packet.PcapHeader.Date;
int len = packet.PcapHeader.PacketLength;
UDPPacket udpPacket = (UDPPacket)packet;
SipParser parser;
if( packet.Data.Length > 0 )
{
// TODO: Is there a better way here?
s = System.Text.ASCIIEncoding.ASCII.GetString( packet.Data );
if( s.Length > 0 )
{
if( s.Contains( "SIP" ) )
{
//DumpPacketToFiles( s );
//outs = String.Format( "{0}:{1}:{2},{3} Len={4} {5}:{6} -> {7}:{8}",
// time.Hour, time.Minute, time.Second, time.Millisecond, len,
// srcIp, srcPort, dstIp, dstPort );
//this.sw.WriteLine( outs );
//this.sw.Write( s );
//this.sw.Flush();
parser = new SipParser( s, ipAddress, udpPacket.DestinationAddress );
//Console.WriteLine(
// String.Format( "{0} {1} {2}",
// parser.SipStatus, parser.SipStatusString, parser.ToField ) );
RaiseSipArrived( parser );
packetCount++;
}
else
{
RTPPacketEventArgs eventArgs;
eventArgs = new RTPPacketEventArgs( udpPacket.DestinationPort, udpPacket.Data );
RaiseRTPArrived( eventArgs );
}
}
}
}
}
}
catch( Exception ex )
{
ClsException.WriteToErrorLogFile( ex );
}
}
/// <summary>
/// Event handler for the RTP packets.
/// </summary>
/// <param name="sender">the packet sniffer in this case</param>
/// <param name="eventArgs">contains the port number and RTP data stream.</param>
private void OnRTPArrived( object sender, RTPPacketEventArgs eventArgs )
{
ToneDetected toneDetected;
// if we care about the port...process.
if( RTPPort == eventArgs.Port )
{
try
{
if( !someToneDetected )
{
toneDetected = audioStreamState.AddPacket( eventArgs.Packet );
if( toneDetected != ToneDetected.NONE )
{
someToneDetected = true;
ClsException.WriteToLogFile(
string.Format( "{0} Tone Detected: {1}",
phoneNumber, toneDetected.ToString() ) );
RaiseNonHumanDetected( toneDetected );
}
}
}
catch( Exception ex )
{
ex.Data.Add( "My Key", "VMukti--:--VmuktiModules--:--VmuktiModules--:--Call Center--:--AutoProgressiveSoftPhone--:--AutoProgressivePhone.Business--:--RTCAudioWithToneDetect.cs--:--OnRTPArrived()--" );
ClsException.WriteToErrorLogFile( ex );
}
}
}