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Code Issues Releases Activity

handle multiple fragments in one packet

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orignal 2014-02-05 19:11:38 -05:00
parent 53cd9c2418
commit fd80a13495
1 changed files with 15 additions and 16 deletions
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31
SSU.cpp
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@ -368,24 +368,23 @@ namespace ssu
uint8_t flag = *buf;
buf++;
LogPrint ("Process SSU data flags=", (int)flag);
if (flag)
{
//TODO: process options
return;
}
uint8_t numFragments = *buf; // number of fragments
buf++;
uint32_t msgID = be32toh (*(uint32_t *)buf); // message ID
buf += 4;
uint8_t frag[4];
frag[0] = 0;
memcpy (frag + 1, buf, 3);
buf += 3;
uint32_t fragmentInfo = be32toh (*(uint32_t *)frag); // fragment info
uint16_t fragmentSize = be16toh (fragmentInfo & 0x1FFF); // bits 0 - 13
bool isLast = fragmentInfo & 0x010000; // bit 16
uint8_t fragmentNum = fragmentInfo >> 17; // bits 23 - 17
LogPrint ("SSU data fragment ", (int)fragmentNum, " of ", (int)numFragments, " of message ", msgID, " size=", (int)fragmentSize, isLast ? " last" : " non-last");
for (int i = 0; i < numFragments; i++)
{
uint32_t msgID = be32toh (*(uint32_t *)buf); // message ID
buf += 4;
uint8_t frag[4];
frag[0] = 0;
memcpy (frag + 1, buf, 3);
buf += 3;
uint32_t fragmentInfo = be32toh (*(uint32_t *)frag); // fragment info
uint16_t fragmentSize = fragmentInfo & 0x1FFF; // bits 0 - 13
bool isLast = fragmentInfo & 0x010000; // bit 16
uint8_t fragmentNum = fragmentInfo >> 17; // bits 23 - 17
LogPrint ("SSU data fragment ", (int)fragmentNum, " of message ", msgID, " size=", (int)fragmentSize, isLast ? " last" : " non-last");
buf += fragmentSize;
}
}
SSUServer::SSUServer (boost::asio::io_service& service, int port):