static net_packet_t *BlockForPacket(net_addr_t *addr, unsigned int packet_type,
unsigned int timeout_ms)
{
net_packet_t *packet;
net_addr_t *packet_src;
unsigned int read_packet_type;
unsigned int start_time;
start_time = I_GetTimeMS();
while (I_GetTimeMS() < start_time + timeout_ms)
{
if (!NET_RecvPacket(query_context, &packet_src, &packet))
{
I_Sleep(20);
continue;
}
if (packet_src == addr
&& NET_ReadInt16(packet, &read_packet_type)
&& packet_type == read_packet_type)
{
return packet;
}
NET_FreePacket(packet);
}
// Timeout - no response.
return NULL;
}
void NET_SV_Run(void)
{
net_addr_t *addr;
net_packet_t *packet;
int i;
if (!server_initialized)
{
return;
}
while (NET_RecvPacket(server_context, &addr, &packet))
{
NET_SV_Packet(packet, addr);
NET_FreePacket(packet);
NET_ReleaseAddress(addr);
}
if (master_server != NULL)
{
UpdateMasterServer();
}
// "Run" any clients that may have things to do, independent of responses
// to received packets
for (i=0; i<MAXNETNODES; ++i)
{
if (clients[i].active)
{
NET_SV_RunClient(&clients[i]);
}
}
switch (server_state)
{
case SERVER_WAITING_LAUNCH:
break;
case SERVER_WAITING_START:
CheckStartGame();
break;
case SERVER_IN_GAME:
NET_SV_AdvanceWindow();
for (i = 0; i < NET_MAXPLAYERS; ++i)
{
if (sv_players[i] != NULL && ClientConnected(sv_players[i]))
{
NET_SV_CheckResends(sv_players[i]);
}
}
break;
}
}
static void NET_Query_GetResponse(net_query_callback_t callback,
void *user_data)
{
net_addr_t *addr;
net_packet_t *packet;
if (NET_RecvPacket(query_context, &addr, &packet))
{
NET_Query_ParsePacket(addr, packet, callback, user_data);
NET_FreePacket(packet);
}
}
void NET_CL_Run(void)
{
net_addr_t *addr;
net_packet_t *packet;
if (!net_client_connected)
{
return;
}
while (NET_RecvPacket(client_context, &addr, &packet))
{
// only accept packets from the server
if (addr == server_addr)
{
NET_CL_ParsePacket(packet);
}
else
{
NET_FreeAddress(addr);
}
NET_FreePacket(packet);
}
// Run the common connection code to send any packets as needed
NET_Conn_Run(&client_connection);
if (client_connection.state == NET_CONN_STATE_DISCONNECTED
|| client_connection.state == NET_CONN_STATE_DISCONNECTED_SLEEP)
{
NET_CL_Disconnected();
NET_CL_Shutdown();
}
net_waiting_for_launch =
client_connection.state == NET_CONN_STATE_CONNECTED
&& client_state == CLIENT_STATE_WAITING_LAUNCH;
if (client_state == CLIENT_STATE_IN_GAME)
{
// Possibly advance the receive window
NET_CL_AdvanceWindow();
// Check if our resend requests have timed out
NET_CL_CheckResends();
}
}
