1 files changed, 98 insertions, 0 deletions
diff --git a/src/rtcpbyepacket.cpp b/src/rtcpbyepacket.cpp
new file mode 100644
index 0000000..794a3b8
--- /dev/null
+++ b/src/rtcpbyepacket.cpp
@@ -0,0 +1,98 @@
+/*
+
+  This file is a part of JRTPLIB
+  Copyright (c) 1999-2007 Jori Liesenborgs
+
+  Contact: jori.liesenborgs@gmail.com
+
+  This library was developed at the "Expertisecentrum Digitale Media"
+  (http://www.edm.uhasselt.be), a research center of the Hasselt University
+  (http://www.uhasselt.be). The library is based upon work done for 
+  my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
+
+  Permission is hereby granted, free of charge, to any person obtaining a
+  copy of this software and associated documentation files (the "Software"),
+  to deal in the Software without restriction, including without limitation
+  the rights to use, copy, modify, merge, publish, distribute, sublicense,
+  and/or sell copies of the Software, and to permit persons to whom the
+  Software is furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included
+  in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+  IN THE SOFTWARE.
+
+*/
+
+#include "rtcpbyepacket.h"
+#ifdef RTPDEBUG
+	#include <iostream>
+#endif // RTPDEBUG
+
+#include "rtpdebug.h"
+
+RTCPBYEPacket::RTCPBYEPacket(uint8_t *data,size_t datalength)
+	: RTCPPacket(BYE,data,datalength)
+{
+	knownformat = false;
+	reasonoffset = 0;	
+	
+	RTCPCommonHeader *hdr;
+	size_t len = datalength;
+	
+	hdr = (RTCPCommonHeader *)data;
+	if (hdr->padding)
+	{
+		uint8_t padcount = data[datalength-1];
+		if ((padcount & 0x03) != 0) // not a multiple of four! (see rfc 3550 p 37)
+			return;
+		if (((size_t)padcount) >= len)
+			return;
+		len -= (size_t)padcount;
+	}
+	
+	size_t ssrclen = ((size_t)(hdr->count))*sizeof(uint32_t) + sizeof(RTCPCommonHeader);
+	if (ssrclen > len)
+		return;
+	if (ssrclen < len) // there's probably a reason for leaving
+	{
+		uint8_t *reasonlength = (data+ssrclen);
+		size_t reaslen = (size_t)(*reasonlength);
+		if (reaslen > (len-ssrclen-1))
+			return;
+		reasonoffset = ssrclen;
+	}
+	knownformat = true;
+}
+
+#ifdef RTPDEBUG
+void RTCPBYEPacket::Dump()
+{
+	RTCPPacket::Dump();
+	if (!IsKnownFormat())
+	{
+		std::cout << "    Unknown format" << std::endl;
+		return;	
+	}
+
+	int num = GetSSRCCount();
+	int i;
+
+	for (i = 0 ; i < num ; i++)
+		std::cout << "    SSRC: " << GetSSRC(i) << std::endl;
+	if (HasReasonForLeaving())
+	{
+		char str[1024];
+		memcpy(str,GetReasonData(),GetReasonLength());
+		str[GetReasonLength()] = 0;
+		std::cout << "    Reason: " << str << std::endl;
+	}
+}
+#endif // RTPDEBUG
+