void ascentsocket_send(ascent_socket *s, ascent_packet *p)
{
// the zero isnt needed, just to shut the compiler up
unsigned char buffer[10000] = {0}; // if you have a packet bigger than this you can go to hell
*(uint16*)(&buffer[0]) = p->opcode;
*(uint16*)(&buffer[2]) = p->size;
if( p->wpos > 0 )
memcpy(&buffer[4], p->buffer, p->wpos);
network_write_data(s->sock, buffer, 4 + p->wpos, NULL);
}
int voicechat_client_socket_read_handler(network_socket *s, int act)
{
struct sockaddr_in read_address;
char buffer[10000] = {0}; // people needing a bigger buffer, again can go to hell
int bytes;
uint16 channel_id;
uint8 user_id;
int i;
voice_channel * chn;
voice_channel_member * memb;
if( act == IOEVENT_ERROR )
{
log_write(ERROR, "UDP Socket read an error!");
return 0;
}
if( (bytes = network_read_data(s, buffer, 10000, (struct sockaddr*)&read_address)) < 0 )
{
log_write(ERROR, "UDP socket read error bytes!");
return 0;
}
log_write(DEBUG, "udp socket got %d bytes from address %s", bytes, inet_ntoa(read_address.sin_addr));
channel_id = *(uint16*)(&buffer[5]);
user_id = buffer[4];
chn = voice_channel_get((int)channel_id);
log_write(DEBUG, "channel %u userid %u", (int)channel_id, (int)user_id);
if( chn == NULL )
{
log_write(ERROR, "udp client sent invalid voice channel.");
return 0;
}
if( user_id >= chn->member_slots )
{
log_write(ERROR, "udp client sent out of range user id.");
return 0;
}
memb = &chn->members[user_id];
// client initial packet check
if( bytes == 7 )
{
if( memb->used && memcmp(&memb->client_address, &read_address, sizeof(struct sockaddr)) )
{
log_write(ERROR, "udp client is sending a different read address than it should be. desync maybe?");
}
memcpy(&memb->client_address, &read_address, sizeof(struct sockaddr));
//printf("client %u address set to %s\n", (int)user_id, inet_ntoa(chn->members[user_id].client_address.sin_addr));
memb->used = 1;
}
else
{
// distribute the packet
for( i = 0; i < chn->member_slots; ++i )
{
if( i == user_id || !chn->members[i].used || !chn->members[i].active )
continue; // don't send to yourself :P
//printf("writing to client %u address %s\n", i, inet_ntoa(chn->members[i].client_address.sin_addr));
if( network_write_data( s, buffer, bytes, (struct sockaddr*)&chn->members[i].client_address ) < 0 )
{
log_write(ERROR, "network_write_data to UDP client %s failed.", inet_ntoa(chn->members[i].client_address.sin_addr));
}
}
}
return 0;
}
void network_write_line(int handle, const char *line)
{
network_write_data(handle, line, strlen(line));
}