public void NotBeforeEndUnitTest()
{
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().Name);
byte[] sample = Encoding.ASCII.GetBytes("The quick brown fox jumped over...");
bool hasFox = ByteBufferInfo.HasString(sample, 0, Int32.MaxValue, "fox", "brown");
Assert.True(!hasFox, "The string was not found in the buffer.");
}
public void HasStringUnitTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
byte[] sample = Encoding.ASCII.GetBytes("The quick brown fox jumped over...");
bool hasFox = ByteBufferInfo.HasString(sample, 0, Int32.MaxValue, "fox", null);
Assert.True(hasFox, "The string was not found in the buffer.");
}
public SIPEndPoint LocalSIPEndPoint; // The local SIP socket the message was received on or sent from.
/// <summary>
/// Attempts to parse a SIP message from a single buffer that can only contain a single message.
/// </summary>
/// <param name="buffer">The buffer that will be parsed for a SIP message.</param>
/// <param name="localSIPEndPoint">The end point the message was received on.</param>
/// <param name="remoteSIPEndPoint">The end point the message was received from.</param>
/// <returns>If successful a SIP message or null if not.</returns>
public static SIPMessageBuffer ParseSIPMessage(byte[] buffer, SIPEndPoint localSIPEndPoint,
SIPEndPoint remoteSIPEndPoint)
{
string message = null;
try
{
if (buffer == null || buffer.Length < m_minFirstLineLength)
{
// Ignore.
return(null);
}
else if (buffer.Length > SIPConstants.SIP_MAXIMUM_RECEIVE_LENGTH)
{
throw new ApplicationException(
"SIP message received that exceeded the maximum allowed message length, ignoring.");
}
else if (!ByteBufferInfo.HasString(buffer, 0, buffer.Length, SIP_MESSAGE_IDENTIFIER, m_CRLF))
{
// Message does not contain "SIP" anywhere on the first line, ignore.
return(null);
}
else
{
message = Encoding.UTF8.GetString(buffer, 0, buffer.Length);
SIPMessageBuffer sipMessageBuffer = ParseSIPMessage(message, localSIPEndPoint, remoteSIPEndPoint);
if (sipMessageBuffer != null)
{
sipMessageBuffer.RawBuffer = buffer;
return(sipMessageBuffer);
}
else
{
return(null);
}
}
}
catch (Exception excp)
{
message = message.Replace("\n", "LF");
message = message.Replace("\r", "CR");
Logger.Logger.Error("Exception ParseSIPMessage. ->" + excp.Message + "->SIP Message=" + message + ".");
return(null);
}
}
public static RTSPMessage ParseRTSPMessage(byte[] buffer, IPEndPoint receivedFrom, IPEndPoint receivedOn)
{
string message = null;
try
{
if (buffer == null || buffer.Length < m_minFirstLineLength)
{
// Ignore.
return(null);
}
else if (buffer.Length > RTSPConstants.RTSP_MAXIMUM_LENGTH)
{
Logger.Logger.Error(
"RTSP message received that exceeded the maximum allowed message length, ignoring.");
return(null);
}
else if (!ByteBufferInfo.HasString(buffer, 0, buffer.Length, RTSP_MESSAGE_IDENTIFIER, m_CRLF))
{
// Message does not contain "RTSP" anywhrere on the first line, ignore.
return(null);
}
else
{
message = Encoding.UTF8.GetString(buffer);
RTSPMessage rtspMessage = ParseRTSPMessage(message, receivedFrom, receivedOn);
rtspMessage.RawBuffer = buffer;
return(rtspMessage);
}
}
catch (Exception excp)
{
message = message.Replace("\n", "LF");
message = message.Replace("\r", "CR");
Logger.Logger.Error("Exception ParseRTSPMessage. ->" + excp.Message + "->RTSP Message=" + message +
".");
return(null);
}
}
