public void SipTcpTransport_MultipleChunks()
{
// Transmit a message to a transport in several chunks to make
// sure it can be reassembled properly.
TestTransport transport = new TestTransport();
EnhancedSocket sock = null;
SipRequest msg;
SipRequest recvMsg;
byte[] buf;
try
{
transport.Start(new NetworkBinding("127.0.0.1:5311"));
sock = new EnhancedSocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.Connect("127.0.0.1", 5311);
sock.NoDelay = true;
msg = new SipRequest(SipMethod.Register, "sip:[email protected]", SipHelper.SIP20);
msg.AddHeader(SipHeader.Via, string.Format("SIP/2.0/TCP {0}", transport.LocalEndpoint));
msg.AddHeader("Count", "0");
msg.Contents = GetContents(25);
buf = msg.ToArray();
for (int i = 0; i < buf.Length; i++)
{
sock.Send(buf, i, 1, SocketFlags.None);
Thread.Sleep(1);
}
recvMsg = (SipRequest)transport.Receive();
Assert.AreEqual(SipMethod.Register, recvMsg.Method);
Assert.AreEqual("sip:[email protected]", recvMsg.Uri);
Assert.AreEqual(SipHelper.SIP20, recvMsg.SipVersion);
Assert.AreEqual(msg[SipHeader.Via].FullText, recvMsg[SipHeader.Via].FullText);
Assert.AreEqual("0", recvMsg["Count"].FullText);
CollectionAssert.AreEqual(msg.Contents, recvMsg.Contents);
}
finally
{
if (sock != null)
{
sock.Close();
}
transport.Stop();
}
}
public void SipTcpTransport_MultipleBuffered()
{
// Render two messages into a single buffer and transmit them
// to a TCP transport in a single send. This will result in
// the two messages being processed out of the headerBuf which
// is what we want to test here.
TestTransport transport = new TestTransport();
EnhancedSocket sock = null;
SipRequest msg1, msg2;
SipRequest recvMsg;
byte[] buf;
int cb;
try
{
transport.Start(new NetworkBinding("127.0.0.1:5311"));
sock = new EnhancedSocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.Connect("127.0.0.1", 5311);
msg1 = new SipRequest(SipMethod.Register, "sip:[email protected]", SipHelper.SIP20);
msg1.AddHeader(SipHeader.Via, string.Format("SIP/2.0/TCP {0}", transport.LocalEndpoint));
msg1.AddHeader("Count", "0");
msg1.Contents = GetContents(0);
msg2 = new SipRequest(SipMethod.Register, "sip:[email protected]", SipHelper.SIP20);
msg2.AddHeader(SipHeader.Via, string.Format("SIP/2.0/TCP {0}", transport.LocalEndpoint));
msg2.AddHeader("Count", "1");
msg2.Contents = GetContents(0);
buf = Helper.Concat(msg1.ToArray(), msg2.ToArray());
cb = sock.Send(buf);
Assert.AreEqual(buf.Length, cb);
recvMsg = (SipRequest)transport.Receive();
Assert.AreEqual(SipMethod.Register, recvMsg.Method);
Assert.AreEqual("sip:[email protected]", recvMsg.Uri);
Assert.AreEqual(SipHelper.SIP20, recvMsg.SipVersion);
Assert.AreEqual(msg1[SipHeader.Via].FullText, recvMsg[SipHeader.Via].FullText);
Assert.AreEqual("0", recvMsg["Count"].FullText);
CollectionAssert.AreEqual(msg1.Contents, recvMsg.Contents);
recvMsg = (SipRequest)transport.Receive();
Assert.AreEqual(SipMethod.Register, recvMsg.Method);
Assert.AreEqual("sip:[email protected]", recvMsg.Uri);
Assert.AreEqual(SipHelper.SIP20, recvMsg.SipVersion);
Assert.AreEqual(msg2[SipHeader.Via].FullText, recvMsg[SipHeader.Via].FullText);
Assert.AreEqual("1", recvMsg["Count"].FullText);
CollectionAssert.AreEqual(msg2.Contents, recvMsg.Contents);
// Try it again, this time with some data.
msg1 = new SipRequest(SipMethod.Register, "sip:[email protected]", SipHelper.SIP20);
msg1.AddHeader(SipHeader.Via, string.Format("SIP/2.0/TCP {0}", transport.LocalEndpoint));
msg1.AddHeader("Count", "0");
msg1.Contents = GetContents(10);
msg2 = new SipRequest(SipMethod.Register, "sip:[email protected]", SipHelper.SIP20);
msg2.AddHeader(SipHeader.Via, string.Format("SIP/2.0/TCP {0}", transport.LocalEndpoint));
msg2.AddHeader("Count", "1");
msg2.Contents = GetContents(20);
buf = Helper.Concat(msg1.ToArray(), msg2.ToArray());
cb = sock.Send(buf);
Assert.AreEqual(buf.Length, cb);
recvMsg = (SipRequest)transport.Receive();
Assert.AreEqual(SipMethod.Register, recvMsg.Method);
Assert.AreEqual("sip:[email protected]", recvMsg.Uri);
Assert.AreEqual(SipHelper.SIP20, recvMsg.SipVersion);
Assert.AreEqual(msg1[SipHeader.Via].FullText, recvMsg[SipHeader.Via].FullText);
Assert.AreEqual("0", recvMsg["Count"].FullText);
CollectionAssert.AreEqual(msg1.Contents, recvMsg.Contents);
recvMsg = (SipRequest)transport.Receive();
Assert.AreEqual(SipMethod.Register, recvMsg.Method);
Assert.AreEqual("sip:[email protected]", recvMsg.Uri);
Assert.AreEqual(SipHelper.SIP20, recvMsg.SipVersion);
Assert.AreEqual(msg2[SipHeader.Via].FullText, recvMsg[SipHeader.Via].FullText);
Assert.AreEqual("1", recvMsg["Count"].FullText);
CollectionAssert.AreEqual(msg2.Contents, recvMsg.Contents);
// Try it one more time, this time adding a leading CRLF
msg1 = new SipRequest(SipMethod.Register, "sip:[email protected]", SipHelper.SIP20);
msg1.AddHeader(SipHeader.Via, string.Format("SIP/2.0/TCP {0}", transport.LocalEndpoint));
msg1.AddHeader("Count", "0");
msg1.Contents = GetContents(10);
msg2 = new SipRequest(SipMethod.Register, "sip:[email protected]", SipHelper.SIP20);
msg2.AddHeader(SipHeader.Via, string.Format("SIP/2.0/TCP {0}", transport.LocalEndpoint));
msg2.AddHeader("Count", "1");
msg2.Contents = GetContents(20);
buf = Helper.Concat(new byte[] { 0x0D, 0x0A }, msg1.ToArray(), new byte[] { 0x0D, 0x0A }, msg2.ToArray());
cb = sock.Send(buf);
Assert.AreEqual(buf.Length, cb);
recvMsg = (SipRequest)transport.Receive();
Assert.AreEqual(SipMethod.Register, recvMsg.Method);
Assert.AreEqual("sip:[email protected]", recvMsg.Uri);
Assert.AreEqual(SipHelper.SIP20, recvMsg.SipVersion);
Assert.AreEqual(msg1[SipHeader.Via].FullText, recvMsg[SipHeader.Via].FullText);
Assert.AreEqual("0", recvMsg["Count"].FullText);
CollectionAssert.AreEqual(msg1.Contents, recvMsg.Contents);
recvMsg = (SipRequest)transport.Receive();
Assert.AreEqual(SipMethod.Register, recvMsg.Method);
Assert.AreEqual("sip:[email protected]", recvMsg.Uri);
Assert.AreEqual(SipHelper.SIP20, recvMsg.SipVersion);
Assert.AreEqual(msg2[SipHeader.Via].FullText, recvMsg[SipHeader.Via].FullText);
Assert.AreEqual("1", recvMsg["Count"].FullText);
CollectionAssert.AreEqual(msg2.Contents, recvMsg.Contents);
}
finally
{
if (sock != null)
{
sock.Close();
}
transport.Stop();
}
}
