/* Put a message onto the output buffer */
void net_put_message(netconnection_t *nc, netmsg msg)
{
int type, size;
#if NET_DEBUG
printf("net_put_message(%s)\n", net_message_name(msg.type));
#endif
type = (int)msg.type;
if( type >= NUM_NETMESSAGES ) {
printf("Unknown message type %d\n", type);
return;
}
size = netmsg_table[type].size;
if( nc->output.size + size > NETBUFSIZ ) {
printf("Output full. Auto-flushing.\n");
net_output_flush(nc);
if( nc->output.size + size > NETBUFSIZ ) {
printf("Could not write output to %s. Discarding buffer\n",
nc->remote_address);
nc->output.size = 0;
return;
}
}
tonet(&msg); /* To network byte order */
memcpy(nc->output.buf + nc->output.size, &msg, size);
nc->output.size += size;
}
static int sv_netmsg_not_handled(client_t *cl, netmsg msg)
{
printf("NOT HANDLING MESSAGE \"%s\" from \"%s\" (%s)\n",
net_message_name(msg.type), cl->name, cl->nc->remote_address);
cl->bad++;
return 0;
}
/* Handle message and return the message type */
int cl_net_handle_message(netmsg msg)
{
if( client.debug )
printf("cl_net_handle_message: type = %s\n",
net_message_name(msg.type));
if( msg.type < NUM_NETMESSAGES ) {
if( recv_message[msg.type] == NULL )
cl_netmsg_not_handled(msg);
else
recv_message[msg.type](msg);
return msg.type;
} else {
printf("cl_netmsg_recv: Unknown message type %d!\n", msg.type);
return -1;
}
}
/* Find and mark the first/last complete frame in input buffer,
if there is only a partial frame, then set in->frames to -1 */
static void net_mark_full_frame(netbuf_t *in, nm_frame_t nm)
{
int start_found;
int p, type, size;
start_found = -1;
for( p = in->pos ; p < in->size ; p += size ) {
type = (byte)in->buf[p];
if( type >= NUM_NETMESSAGES ) {
printf("ERROR: Type (%d) out of range!\n", type);
printf("in->pos = %d, in->size = %d, p = %d\n",
in->pos, in->size, p);
in->size = 0;
return;
}
size = netmsg_table[type].size;
#if NET_DEBUG
printf("%4d: (%3d), \"%s\" (s=%d)\n",
p, type, net_message_name(type), size);
#endif
if( type == NETMSG_START_FRAME ) {
start_found = p;
if( in->frames == 0 )
in->frames = -1; /* Partial frame */
} else if( type == NETMSG_END_FRAME && start_found >= 0 ) {
/* Ok, we now have a full frame */
in->start = start_found;
in->end = p + size;
in->frames++;
if( nm == NM_FIRST_FRAME )
return;
}
}
}
/*
Function pointer table for handling incoming messages.
All of the below functions are in "cl_netmsg_recv.c"
We shouldn't get the messages that are NOTHANDLED, because
the server shouldn't send them. In theory anyway.
*/
static void cl_netmsg_not_handled(netmsg msg)
{
printf("NOT HANDLING MESSAGE \"%s\"\n", net_message_name(msg.type));
}
