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Revert protocol 69 pending further discussion (#4962)

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This commit is contained in:
Thilo Schulz 2011-04-27 20:17:45 +00:00
parent 88693f9abd
commit d34c6b7e0b
12 changed files with 247 additions and 508 deletions
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44
code/qcommon/net_chan.c
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@ -83,12 +83,7 @@ Netchan_Setup
called to open a channel to a remote system
==============
*/
void Netchan_Setup(netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, int challenge
#ifdef PROTOCOL_SUPPORT_OLD
, qboolean compat
#endif
)
{
void Netchan_Setup( netsrc_t sock, netchan_t *chan, netadr_t adr, int qport ) {
Com_Memset (chan, 0, sizeof(*chan));
chan->sock = sock;
@ -96,10 +91,6 @@ void Netchan_Setup(netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, int
chan->qport = qport;
chan->incomingSequence = 0;
chan->outgoingSequence = 1;
#ifdef PROTOCOL_SUPPORT_OLD
chan->compat = compat;
chan->challenge = challenge;
#endif
}
// TTimo: unused, commenting out to make gcc happy
@ -199,24 +190,17 @@ void Netchan_TransmitNextFragment( netchan_t *chan ) {
msg_t send;
byte send_buf[MAX_PACKETLEN];
int fragmentLength;
int outgoingSequence;
// write the packet header
MSG_InitOOB (&send, send_buf, sizeof(send_buf)); // <-- only do the oob here
outgoingSequence = chan->outgoingSequence | FRAGMENT_BIT;
MSG_WriteLong(&send, outgoingSequence);
MSG_WriteLong( &send, chan->outgoingSequence | FRAGMENT_BIT );
// send the qport if we are a client
if ( chan->sock == NS_CLIENT ) {
MSG_WriteShort( &send, qport->integer );
}
#ifdef PROTOCOL_SUPPORT_OLD
if(!chan->compat)
#endif
MSG_WriteLong(&send, NETCHAN_GENCHECKSUM(chan->challenge, chan->outgoingSequence));
// copy the reliable message to the packet first
fragmentLength = FRAGMENT_SIZE;
if ( chan->unsentFragmentStart + fragmentLength > chan->unsentLength ) {
@ -284,17 +268,12 @@ void Netchan_Transmit( netchan_t *chan, int length, const byte *data ) {
MSG_InitOOB (&send, send_buf, sizeof(send_buf));
MSG_WriteLong( &send, chan->outgoingSequence );
chan->outgoingSequence++;
// send the qport if we are a client
if(chan->sock == NS_CLIENT)
MSG_WriteShort(&send, qport->integer);
#ifdef PROTOCOL_SUPPORT_OLD
if(!chan->compat)
#endif
MSG_WriteLong(&send, NETCHAN_GENCHECKSUM(chan->challenge, chan->outgoingSequence));
chan->outgoingSequence++;
if ( chan->sock == NS_CLIENT ) {
MSG_WriteShort( &send, qport->integer );
}
MSG_WriteData( &send, data, length );
@ -348,17 +327,6 @@ qboolean Netchan_Process( netchan_t *chan, msg_t *msg ) {
qport = MSG_ReadShort( msg );
}
#ifdef PROTOCOL_SUPPORT_OLD
if(!chan->compat)
#endif
{
int checksum = MSG_ReadLong(msg);
// UDP spoofing protection
if(NETCHAN_GENCHECKSUM(chan->challenge, sequence) != checksum)
return qfalse;
}
// read the fragment information
if ( fragmented ) {
fragmentStart = MSG_ReadShort( msg );