hSteamNetworkingSockets, con, userdata );
}
+static void gameserver_send_to_all( int ignore,
+ const void *pData, u32 cbData,
+ int nSendFlags ){
+ for( int i=0; i<vg_list_size(gameserver.clients); i++ ){
+ struct gameserver_client *client = &gameserver.clients[i];
+
+ if( (i==ignore) || !client->active )
+ continue;
+
+ SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
+ hSteamNetworkingSockets, client->connection,
+ pData, cbData, nSendFlags, NULL );
+ }
+}
+
+static void gameserver_populate_join_msg( int index, netmsg_playerjoin *msg ){
+ memset( msg, 0, sizeof(*msg) );
+ msg->inetmsg_id = k_inetmsg_playerjoin;
+ msg->index = index;
+ vg_strncpy( gameserver.clients[index].username, msg->username,
+ sizeof(msg->username), k_strncpy_always_add_null );
+}
+
+static void gameserver_player_join( int index ){
+ struct gameserver_client *joiner = &gameserver.clients[index];
+
+ netmsg_playerjoin join;
+ gameserver_populate_join_msg( index, &join );
+ gameserver_send_to_all( index, &join, sizeof(join),
+ k_nSteamNetworkingSend_Reliable );
+
+ /* update the joining user about current connections */
+ for( int i=0; i<vg_list_size(gameserver.clients); i++ ){
+ struct gameserver_client *client = &gameserver.clients[i];
+
+ if( (i==index) || !client->active )
+ continue;
+
+ netmsg_playerjoin init;
+ gameserver_populate_join_msg( i, &init );
+
+ SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
+ hSteamNetworkingSockets, joiner->connection,
+ &init, sizeof(init), k_nSteamNetworkingSend_Reliable, NULL );
+ }
+}
+
+static void gameserver_player_leave( int index ){
+ netmsg_playerjoin leave;
+ leave.inetmsg_id = k_inetmsg_playerleave;
+ leave.index = index;
+
+ vg_info( "Player leave (%d)\n", index );
+ gameserver_send_to_all( index, &leave, sizeof(leave),
+ k_nSteamNetworkingSend_Reliable );
+}
+
static void new_client_connecting( HSteamNetConnection client ){
+ int index = -1;
+
+ /* TODO: LRU */
+ for( int i=0; i<vg_list_size(gameserver.clients); i++ ){
+ if( !gameserver.clients[i].active ){
+ index = i;
+ break;
+ }
+ }
+
+ if( index == -1 ){
+ vg_error( "Server full\n" );
+ SteamAPI_ISteamNetworkingSockets_CloseConnection(
+ hSteamNetworkingSockets, client,
+ 4500,
+ NULL, 1 );
+ return;
+ }
+
EResult accept_status = SteamAPI_ISteamNetworkingSockets_AcceptConnection(
hSteamNetworkingSockets, client );
-
if( accept_status == k_EResultOK ){
- vg_success( "Accepted client (id: %u)\n", client );
+ vg_success( "Accepted client (id: %u, index: %d)\n", client, index );
+
+ gameserver.clients[index].active = 1;
+ gameserver.clients[index].connection = client;
+
SteamAPI_ISteamNetworkingSockets_SetConnectionPollGroup(
hSteamNetworkingSockets,
client, gameserver.client_group );
/* Just to be sure */
set_connection_authsteamid( client, -1 );
+ gameserver_player_join( index );
}
else{
vg_warn( "Error accepting client (id: %u)\n", client );
+ SteamAPI_ISteamNetworkingSockets_CloseConnection(
+ hSteamNetworkingSockets, client,
+ k_ESteamNetConnectionEnd_Misc_InternalError,
+ NULL, 1 );
+ gameserver.clients[index].active = 0;
+ gameserver.clients[index].connection = 0;
}
}
vg_info( " %s\n", info->m_debugMsg );
}
+static int gameserver_client_index( HSteamNetConnection hconn ){
+ for( int i=0; i<vg_list_size(gameserver.clients); i++ ){
+ struct gameserver_client *client = &gameserver.clients[i];
+
+ if( client->active ){
+ if( client->connection == hconn ){
+ return i;
+ }
+ }
+ }
+ return -1;
+}
+
static void on_connect_status( CallbackMsg_t *msg ){
SteamNetConnectionStatusChangedCallback_t *info = (void *)msg->m_pubParam;
vg_info( " Connection status changed for %lu\n", info->m_hConn );
if( info->m_info.m_eState==k_ESteamNetworkingConnectionState_Connecting ){
new_client_connecting( info->m_hConn );
}
+
+ if( (info->m_info.m_eState ==
+ k_ESteamNetworkingConnectionState_ClosedByPeer ) ||
+ (info->m_info.m_eState ==
+ k_ESteamNetworkingConnectionState_ProblemDetectedLocally ) ){
+
+ int client_id = gameserver_client_index( info->m_hConn );
+ if( client_id != -1 ){
+ struct gameserver_client *client = &gameserver.clients[client_id];
+ client->connection = 0;
+ client->active = 0;
+ gameserver_player_leave(client_id);
+ }
+
+ vg_info( "End reason: %d\n", info->m_info.m_eEndReason );
+ SteamAPI_ISteamNetworkingSockets_CloseConnection(
+ hSteamNetworkingSockets, info->m_hConn, 0, NULL, 0 );
+ }
}
-static void on_inet_auth( SteamNetworkingMessage_t *msg ){
+static void gameserver_rx_auth( SteamNetworkingMessage_t *msg ){
if( gameserver.auth_mode != eServerModeAuthentication ){
vg_error( "Running server without authentication. "
"Connection %u tried to authenticate.\n", msg->m_conn );
if( get_connection_authsteamid( msg ) == k_connection_unauthorized ){
vg_warn( "Unauthorized request! Disconnecting client: %u\n",
- msg->m_conn );
+ msg->m_conn );
SteamAPI_ISteamNetworkingSockets_CloseConnection(
hSteamNetworkingSockets,
else return 1;
}
+/*
+ * Player updates sent to us
+ * -----------------------------------------------------------------------------
+ */
+
+static int packet_minsize( SteamNetworkingMessage_t *msg, u32 size ){
+ if( msg->m_cbSize < size ) {
+ vg_error( "Invalid packet size (must be at least %u)\n", size );
+ return 0;
+ }
+ else{
+ return 1;
+ }
+}
+
+static void gameserver_rx_200_300( SteamNetworkingMessage_t *msg ){
+ netmsg_blank *tmp = msg->m_pData;
+
+ int client_id = gameserver_client_index( msg->m_conn );
+ if( client_id == -1 ) return;
+
+ if( tmp->inetmsg_id == k_inetmsg_playerusername ){
+ if( !packet_minsize( msg, sizeof(netmsg_playerusername) ))
+ return;
+
+ struct gameserver_client *client = &gameserver.clients[ client_id ];
+ netmsg_playerusername *src = msg->m_pData;
+
+ vg_info( "%d change name '%s' -> '%s'\n",
+ client_id, client->username, src->username );
+
+ vg_strncpy( src->username, client->username, sizeof(client->username),
+ k_strncpy_always_add_null );
+
+ /* update other users about this change */
+ netmsg_playerusername msg;
+ memset( &msg, 0, sizeof(msg) );
+ msg.inetmsg_id = k_inetmsg_playerusername;
+ msg.index = client_id;
+ vg_strncpy( client->username, msg.username, sizeof(msg.username),
+ k_strncpy_always_add_null );
+
+ gameserver_send_to_all( client_id, &msg, sizeof(msg),
+ k_nSteamNetworkingSend_Reliable );
+ }
+ else if( tmp->inetmsg_id == k_inetmsg_playerframe ){
+ /* propogate */
+
+ netmsg_playerframe *frame = alloca(msg->m_cbSize);
+ memcpy( frame, msg->m_pData, msg->m_cbSize );
+ frame->client = client_id;
+ gameserver_send_to_all( client_id, frame, msg->m_cbSize,
+ k_nSteamNetworkingSend_Unreliable );
+ }
+}
+
+#if 0
static void on_inet_score_request( SteamNetworkingMessage_t *msg ){
if( !inet_require_auth(msg) ) return;
highscores_push_record( &temp );
}
}
-
-static void on_inet_playerframe( SteamNetworkingMessage_t *msg ){
- if( msg->m_cbSize < sizeof(netmsg_playerframe) ){
- return;
- }
-
-
- netmsg_playerframe *info = msg->m_pData;
- vg_info( "... @: %.2f %.2f %.2f\n",
- //msg->m_identityPeer,
- info->pos_temp[0], info->pos_temp[1], info->pos_temp[2] );
-}
+#endif
static void poll_connections(void){
SteamNetworkingMessage_t *messages[32];
netmsg_blank *tmp = msg->m_pData;
- if( tmp->inetmsg_id == k_inetmsg_auth )
- on_inet_auth( msg );
- else if( tmp->inetmsg_id == k_inetmsg_scores_request )
- on_inet_score_request( msg );
- else if( tmp->inetmsg_id == k_inetmsg_set_nickname )
- on_inet_set_nickname( msg );
- else if( tmp->inetmsg_id == k_inetmsg_set_score )
- on_inet_set_score( msg );
- else if( tmp->inetmsg_id == k_inetmsg_playerframe )
- on_inet_playerframe( msg );
- else {
- vg_warn( "Unknown inetmsg_id recieved from client. (%u)\n",
- tmp->inetmsg_id );
+ if( (tmp->inetmsg_id >= 200) && (tmp->inetmsg_id < 300) ){
+ gameserver_rx_200_300( msg );
}
+ else{
+ if( tmp->inetmsg_id == k_inetmsg_auth )
+ gameserver_rx_auth( msg );
+#if 0
+ else if( tmp->inetmsg_id == k_inetmsg_scores_request )
+ on_inet_score_request( msg );
+ else if( tmp->inetmsg_id == k_inetmsg_set_nickname )
+ on_inet_set_nickname( msg );
+ else if( tmp->inetmsg_id == k_inetmsg_set_score )
+ on_inet_set_score( msg );
+ else if( tmp->inetmsg_id == k_inetmsg_playerframe )
+ on_inet_playerframe( msg );
+#endif
+ else {
+ vg_warn( "Unknown inetmsg_id recieved from client. (%u)\n",
+ tmp->inetmsg_id );
+ }
+ }
+
SteamAPI_SteamNetworkingMessage_t_Release( msg );
}