diff options
Diffstat (limited to 'src/net_server.c')
| -rw-r--r-- | src/net_server.c | 60 |
1 files changed, 59 insertions, 1 deletions
diff --git a/src/net_server.c b/src/net_server.c index 90e3e87a..d1cdfc82 100644 --- a/src/net_server.c +++ b/src/net_server.c @@ -1,7 +1,7 @@ // Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // -// $Id: net_server.c 266 2006-01-08 03:36:17Z fraggle $ +// $Id: net_server.c 268 2006-01-08 04:52:26Z fraggle $ // // Copyright(C) 2005 Simon Howard // @@ -21,6 +21,9 @@ // 02111-1307, USA. // // $Log$ +// Revision 1.15 2006/01/08 04:52:26 fraggle +// Allow the server to reject clients +// // Revision 1.14 2006/01/08 03:36:17 fraggle // Fix packet send // @@ -113,6 +116,8 @@ static net_server_state_t server_state; static boolean server_initialised = false; static net_client_t clients[MAXNETNODES]; static net_context_t *server_context; +static int sv_gamemode; +static int sv_gamemission; static void NET_SV_DisconnectClient(net_client_t *client) { @@ -189,6 +194,19 @@ static net_client_t *NET_SV_FindClient(net_addr_t *addr) return NULL; } +// send a rejection packet to a client + +static void NET_SV_SendReject(net_addr_t *addr, char *msg) +{ + net_packet_t *packet; + + packet = NET_NewPacket(10); + NET_WriteInt16(packet, NET_PACKET_TYPE_REJECTED); + NET_WriteString(packet, msg); + NET_SendPacket(addr, packet); + NET_FreePacket(packet); +} + // parse a SYN from a client(initiating a connection) static void NET_SV_ParseSYN(net_packet_t *packet, @@ -196,6 +214,7 @@ static void NET_SV_ParseSYN(net_packet_t *packet, net_addr_t *addr) { unsigned int magic; + unsigned int cl_gamemode, cl_gamemission; int i; // read the magic number @@ -212,6 +231,14 @@ static void NET_SV_ParseSYN(net_packet_t *packet, return; } + // read the game mode and mission + + if (!NET_ReadInt16(packet, &cl_gamemode) + || !NET_ReadInt16(packet, &cl_gamemission)) + { + return; + } + // received a valid SYN // allocate a client slot if there isn't one already @@ -249,7 +276,38 @@ static void NET_SV_ParseSYN(net_packet_t *packet, if (!client->active) { + int num_clients; + + // Before accepting a new client, check that there is a slot + // free + + num_clients = NET_SV_NumClients(); + + if (num_clients >= MAXPLAYERS) + { + NET_SV_SendReject(addr, "Server is full!"); + return; + } + + // Adopt the game mode and mission of the first connecting client + + if (num_clients == 0) + { + sv_gamemode = cl_gamemode; + sv_gamemission = cl_gamemission; + } + + // Check the connecting client is playing the same game as all + // the other clients + + if (cl_gamemode != sv_gamemode || cl_gamemission != sv_gamemission) + { + NET_SV_SendReject(addr, "You are playing the wrong game!"); + return; + } + // Activate, initialise connection + client->active = true; NET_Conn_InitServer(&client->connection, addr); client->addr = addr; |