project_files/frontlib/net/netconn.c
branchhedgeroid
changeset 7857 2bc61f8841a1
parent 7691 55c0a856ecd0
child 9080 9b42757d7e71
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/project_files/frontlib/net/netconn.c	Sun Oct 28 15:12:37 2012 +0100
@@ -0,0 +1,613 @@
+/*
+ * Hedgewars, a free turn based strategy game
+ * Copyright (c) 2006-2008 Igor Ulyanov <iulyanov@gmail.com>
+ * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
+ * Copyright (c) 2012 Simeon Maxein <smaxein@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "netconn_internal.h"
+#include "netprotocol.h"
+#include "../util/logging.h"
+#include "../util/util.h"
+#include "../md5/md5.h"
+#include "../base64/base64.h"
+#include "../model/mapcfg.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+
+flib_netconn *flib_netconn_create(const char *playerName, const char *dataDirPath, const char *host, int port) {
+	flib_netconn *result = NULL;
+	if(!log_badargs_if4(playerName==NULL, host==NULL, port<1, port>65535)) {
+		flib_netconn *newConn = flib_calloc(1, sizeof(flib_netconn));
+		if(newConn) {
+			newConn->netBase = flib_netbase_create(host, port);
+			newConn->playerName = flib_strdupnull(playerName);
+			newConn->dataDirPath = flib_strdupnull(dataDirPath);
+
+			newConn->netconnState = NETCONN_STATE_CONNECTING;
+
+			newConn->isChief = false;
+			newConn->map = flib_map_create_named("", "NoSuchMap");
+			newConn->pendingTeamlist.teamCount = 0;
+			newConn->pendingTeamlist.teams = NULL;
+			newConn->teamlist.teamCount = 0;
+			newConn->teamlist.teams = NULL;
+			newConn->scheme = NULL;
+			newConn->style = NULL;
+			newConn->weaponset = NULL;
+
+			newConn->running = false;
+			newConn->destroyRequested = false;
+			netconn_clearCallbacks(newConn);
+			if(newConn->netBase && newConn->playerName && newConn->dataDirPath && newConn->map) {
+				result = newConn;
+				newConn = NULL;
+			}
+		}
+		flib_netconn_destroy(newConn);
+	}
+	return result;
+}
+
+void flib_netconn_destroy(flib_netconn *conn) {
+	if(conn) {
+		if(conn->running) {
+			/*
+			 * The function was called from a callback, so the tick function is still running
+			 * and we delay the actual destruction. We ensure no further callbacks will be
+			 * sent to prevent surprises.
+			 */
+			netconn_clearCallbacks(conn);
+			conn->destroyRequested = true;
+		} else {
+			flib_netbase_destroy(conn->netBase);
+			free(conn->playerName);
+			free(conn->dataDirPath);
+
+			flib_map_destroy(conn->map);
+			flib_teamlist_clear(&conn->pendingTeamlist);
+			flib_teamlist_clear(&conn->teamlist);
+			flib_scheme_destroy(conn->scheme);
+			free(conn->style);
+			flib_weaponset_destroy(conn->weaponset);
+
+			free(conn);
+		}
+	}
+}
+
+bool flib_netconn_is_chief(flib_netconn *conn) {
+	if(!log_badargs_if(conn==NULL) && conn->netconnState==NETCONN_STATE_ROOM) {
+		return conn->isChief;
+	}
+	return false;
+}
+
+const char *flib_netconn_get_playername(flib_netconn *conn) {
+	if(!log_badargs_if(conn==NULL)) {
+		return conn->playerName;
+	}
+	return NULL;
+}
+
+void netconn_leaveRoom(flib_netconn *conn) {
+	conn->netconnState = NETCONN_STATE_LOBBY;
+	conn->isChief = false;
+	flib_map_destroy(conn->map);
+	conn->map = flib_map_create_named("", "NoSuchMap");
+	flib_teamlist_clear(&conn->pendingTeamlist);
+	flib_teamlist_clear(&conn->teamlist);
+	flib_scheme_destroy(conn->scheme);
+	conn->scheme = NULL;
+	free(conn->style);
+	conn->style = NULL;
+	flib_weaponset_destroy(conn->weaponset);
+	conn->weaponset = NULL;
+}
+
+void netconn_setMap(flib_netconn *conn, const flib_map *map) {
+	flib_map *copy = flib_map_copy(map);
+	if(copy) {
+		flib_map_destroy(conn->map);
+		conn->map = copy;
+	}
+}
+
+void netconn_setWeaponset(flib_netconn *conn, const flib_weaponset *weaponset) {
+	flib_weaponset *copy = flib_weaponset_copy(weaponset);
+	if(copy) {
+		flib_weaponset_destroy(conn->weaponset);
+		conn->weaponset = copy;
+	}
+}
+
+void netconn_setScript(flib_netconn *conn, const char *script) {
+	char *copy = flib_strdupnull(script);
+	if(copy) {
+		free(conn->style);
+		conn->style = copy;
+	}
+}
+
+void netconn_setScheme(flib_netconn *conn, const flib_scheme *scheme) {
+	flib_scheme *copy = flib_scheme_copy(scheme);
+	if(copy) {
+		flib_scheme_destroy(conn->scheme);
+		conn->scheme = copy;
+	}
+}
+
+flib_gamesetup *flib_netconn_create_gamesetup(flib_netconn *conn) {
+	flib_gamesetup *result = NULL;
+	if(!log_badargs_if(conn==NULL)) {
+		if(conn->teamlist.teamCount==0 || !conn->scheme || !conn->weaponset) {
+			flib_log_e("Incomplete room state");
+		} else {
+			flib_gamesetup stackSetup = {0};
+			stackSetup.gamescheme = conn->scheme;
+			stackSetup.map = conn->map;
+			stackSetup.style = conn->style;
+			stackSetup.teamlist = &conn->teamlist;
+			result = flib_gamesetup_copy(&stackSetup);
+			if(result) {
+				bool error = false;
+				for(int i=0; i<result->teamlist->teamCount; i++) {
+					if(flib_team_set_weaponset(result->teamlist->teams[i], conn->weaponset)) {
+						error = true;
+					}
+					flib_team_set_health(result->teamlist->teams[i], flib_scheme_get_setting(conn->scheme, "health", 100));
+				}
+				if(result->map->mapgen == MAPGEN_NAMED && result->map->name) {
+					flib_mapcfg mapcfg;
+					if(!flib_mapcfg_read(conn->dataDirPath, result->map->name, &mapcfg)) {
+						free(result->map->theme);
+						result->map->theme = flib_strdupnull(mapcfg.theme);
+						if(!result->map->theme) {
+							error = true;
+						}
+					} else {
+						flib_log_e("Unable to read map config for map %s", result->map->name);
+					}
+				}
+				if(error) {
+					flib_gamesetup_destroy(result);
+					result = NULL;
+				}
+			}
+		}
+	}
+	return result;
+}
+
+static void flib_netconn_wrappedtick(flib_netconn *conn) {
+	flib_netmsg *netmsg;
+	flib_netbase *net = conn->netBase;
+	bool exit = false;
+
+	while(!exit && !conn->destroyRequested && (netmsg=flib_netbase_recv_message(conn->netBase))) {
+		if(netmsg->partCount==0) {
+			flib_log_w("Empty server message");
+			continue;
+		}
+
+		if(flib_log_isActive(FLIB_LOGLEVEL_DEBUG)) {
+			char *buf = flib_join(netmsg->parts, netmsg->partCount, "|");
+			if(buf) {
+				flib_log_d("[Net In]%s", buf);
+			}
+			free(buf);
+		}
+
+		const char *cmd = netmsg->parts[0];
+
+	    if (!strcmp(cmd, "NICK") && netmsg->partCount>=2) {
+	    	if(netmsg->partCount<2) {
+	    		flib_log_w("Net: Malformed NICK message");
+	    	} else {
+	    		char *nick = flib_strdupnull(netmsg->parts[1]);
+	    		if(nick) {
+					free(conn->playerName);
+					conn->playerName = nick;
+	    		} else {
+					conn->netconnState = NETCONN_STATE_DISCONNECTED;
+					conn->onDisconnectedCb(conn->onDisconnectedCtx, NETCONN_DISCONNECT_INTERNAL_ERROR, "Out of memory");
+					exit = true;
+				}
+	    	}
+	    } else if (!strcmp(cmd, "PROTO")) {
+	        // The server just echoes this back apparently
+		} else if (!strcmp(cmd, "ERROR")) {
+			if (netmsg->partCount >= 2) {
+				conn->onMessageCb(conn->onMessageCtx, NETCONN_MSG_TYPE_ERROR, netmsg->parts[1]);
+			} else {
+				conn->onMessageCb(conn->onMessageCtx, NETCONN_MSG_TYPE_ERROR, "Unknown Error");
+			}
+		} else if(!strcmp(cmd, "WARNING")) {
+			if (netmsg->partCount >= 2) {
+				conn->onMessageCb(conn->onMessageCtx, NETCONN_MSG_TYPE_WARNING, netmsg->parts[1]);
+			} else {
+				conn->onMessageCb(conn->onMessageCtx, NETCONN_MSG_TYPE_WARNING, "Unknown Warning");
+			}
+	    } else if(!strcmp(cmd, "CONNECTED")) {
+			if(netmsg->partCount<3 || atol(netmsg->parts[2])<MIN_SERVER_VERSION) {
+				flib_log_w("Net: Server too old");
+				flib_netbase_sendf(net, "%s\n%s\n\n", "QUIT", "Server too old");
+				conn->netconnState = NETCONN_STATE_DISCONNECTED;
+				conn->onDisconnectedCb(conn->onDisconnectedCtx, NETCONN_DISCONNECT_SERVER_TOO_OLD, "Server too old");
+				exit = true;
+			} else {
+				flib_netbase_sendf(net, "%s\n%s\n\n", "NICK", conn->playerName);
+				flib_netbase_sendf(net, "%s\n%i\n\n", "PROTO", (int)PROTOCOL_VERSION);
+			}
+		} else if(!strcmp(cmd, "PING")) {
+	        if (netmsg->partCount > 1) {
+	        	flib_netbase_sendf(net, "%s\n%s\n\n", "PONG", netmsg->parts[1]);
+	        } else {
+	        	flib_netbase_sendf(net, "%s\n\n", "PONG");
+	        }
+	    } else if(!strcmp(cmd, "ROOMS")) {
+	        if(netmsg->partCount % 8 != 1) {
+	        	flib_log_w("Net: Malformed ROOMS message");
+	        } else {
+	        	int roomCount = netmsg->partCount/8;
+	        	flib_room **rooms = flib_room_array_from_netmsg(netmsg->parts+1, roomCount);
+	        	if(rooms) {
+	        		conn->onRoomlistCb(conn->onRoomlistCtx, (const flib_room**)rooms, roomCount);
+	        		for(int i=0; i<roomCount; i++) {
+	        			flib_room_destroy(rooms[i]);
+	        		}
+	        		free(rooms);
+	        	}
+	        }
+	    } else if (!strcmp(cmd, "SERVER_MESSAGE")) {
+	        if(netmsg->partCount < 2) {
+	        	flib_log_w("Net: Empty SERVERMESSAGE message");
+	        } else {
+	        	conn->onMessageCb(conn->onMessageCtx, NETCONN_MSG_TYPE_SERVERMESSAGE, netmsg->parts[1]);
+	        }
+	    } else if (!strcmp(cmd, "CHAT")) {
+	        if(netmsg->partCount < 3) {
+	        	flib_log_w("Net: Empty CHAT message");
+	        } else {
+	        	conn->onChatCb(conn->onChatCtx, netmsg->parts[1], netmsg->parts[2]);
+	        }
+	    } else if (!strcmp(cmd, "INFO")) {
+	        if(netmsg->partCount < 5) {
+	        	flib_log_w("Net: Malformed INFO message");
+	        } else {
+	        	char *joined = flib_join(netmsg->parts+1, netmsg->partCount-1, "\n");
+	        	if(joined) {
+	        		conn->onMessageCb(conn->onMessageCtx, NETCONN_MSG_TYPE_PLAYERINFO, joined);
+	        	}
+	        	free(joined);
+	        }
+	    } else if(!strcmp(cmd, "SERVER_VARS")) {
+	    	for(int offset=1; offset+2<netmsg->partCount; offset+=2) {
+	    		conn->onServerVarCb(conn->onServerVarCtx, netmsg->parts[offset], netmsg->parts[offset+1]);
+	    	}
+	    } else if (!strcmp(cmd, "CLIENT_FLAGS")) {
+	        if(netmsg->partCount < 3 || strlen(netmsg->parts[1]) < 2) {
+	        	flib_log_w("Net: Malformed CLIENT_FLAGS message");
+	        } else {
+				const char *flags = netmsg->parts[1];
+				bool setFlag = flags[0] == '+';
+
+				for(int j = 2; j < netmsg->partCount; ++j) {
+					bool isSelf = !strcmp(conn->playerName, netmsg->parts[j]);
+					if(isSelf && strchr(flags, 'h')) {
+						conn->isChief = setFlag;
+					}
+					conn->onClientFlagsCb(conn->onClientFlagsCtx, netmsg->parts[j], flags+1, setFlag);
+				}
+	        }
+	    } else if (!strcmp(cmd, "ADD_TEAM")) {
+	        if(netmsg->partCount != 24 || conn->netconnState!=NETCONN_STATE_ROOM) {
+	            flib_log_w("Net: Bad ADD_TEAM message");
+	        } else {
+	        	flib_team *team = flib_team_from_netmsg(netmsg->parts+1);
+	        	if(!team || flib_teamlist_insert(&conn->teamlist, team, conn->teamlist.teamCount)) {
+					flib_team_destroy(team);
+					conn->netconnState = NETCONN_STATE_DISCONNECTED;
+					conn->onDisconnectedCb(conn->onDisconnectedCtx, NETCONN_DISCONNECT_INTERNAL_ERROR, "Internal error");
+					exit = true;
+	        	} else {
+	        		conn->onTeamAddCb(conn->onTeamAddCtx, team);
+	        	}
+	        }
+	    } else if (!strcmp(cmd, "REMOVE_TEAM")) {
+	        if(netmsg->partCount != 2 || conn->netconnState!=NETCONN_STATE_ROOM) {
+	            flib_log_w("Net: Bad REMOVETEAM message");
+	        } else {
+	        	flib_teamlist_delete(&conn->teamlist, netmsg->parts[1]);
+	        	conn->onTeamDeleteCb(conn->onTeamDeleteCtx, netmsg->parts[1]);
+	        }
+	    } else if(!strcmp(cmd, "ROOMABANDONED")) {
+	    	netconn_leaveRoom(conn);
+	        conn->onLeaveRoomCb(conn->onLeaveRoomCtx, NETCONN_ROOMLEAVE_ABANDONED, "Room destroyed");
+	    } else if(!strcmp(cmd, "KICKED")) {
+	    	netconn_leaveRoom(conn);
+	    	conn->onLeaveRoomCb(conn->onLeaveRoomCtx, NETCONN_ROOMLEAVE_KICKED, "You got kicked");
+	    } else if(!strcmp(cmd, "JOINED")) {
+	        if(netmsg->partCount < 2) {
+	            flib_log_w("Net: Bad JOINED message");
+	        } else {
+				for(int i = 1; i < netmsg->partCount; ++i)
+				{
+					bool isMe = !strcmp(conn->playerName, netmsg->parts[i]);
+					if (isMe) {
+						conn->netconnState = NETCONN_STATE_ROOM;
+						conn->onEnterRoomCb(conn->onEnterRoomCtx, conn->isChief);
+					}
+
+					conn->onRoomJoinCb(conn->onRoomJoinCtx, netmsg->parts[i]);
+				}
+	        }
+	    } else if(!strcmp(cmd, "LOBBY:JOINED")) {
+	        if(netmsg->partCount < 2) {
+	            flib_log_w("Net: Bad JOINED message");
+	        } else {
+				for(int i = 1; i < netmsg->partCount; ++i)
+				{
+					bool isMe = !strcmp(conn->playerName, netmsg->parts[i]);
+					if (isMe && conn->netconnState == NETCONN_STATE_CONNECTING) {
+						conn->onConnectedCb(conn->onConnectedCtx);
+						conn->netconnState = NETCONN_STATE_LOBBY;
+					}
+					conn->onLobbyJoinCb(conn->onLobbyJoinCtx, netmsg->parts[i]);
+				}
+	        }
+	    } else if(!strcmp(cmd, "LEFT")) {
+	        if(netmsg->partCount < 2) {
+	            flib_log_w("Net: Bad LEFT message");
+	        } else {
+	        	conn->onRoomLeaveCb(conn->onRoomLeaveCtx, netmsg->parts[1], netmsg->partCount>2 ? netmsg->parts[2] : NULL);
+	        }
+	    } else if(!strcmp(cmd, "ROOM") && netmsg->partCount >= 2) {
+	    	const char *subcmd = netmsg->parts[1];
+	    	if(!strcmp(subcmd, "ADD") && netmsg->partCount == 10) {
+	    		flib_room *room = flib_room_from_netmsg(netmsg->parts+2);
+	    		if(room) {
+	    			conn->onRoomAddCb(conn->onRoomAddCtx, room);
+	    		}
+	    		flib_room_destroy(room);
+			} else if(!strcmp(subcmd, "UPD") && netmsg->partCount == 11) {
+				flib_room *room = flib_room_from_netmsg(netmsg->parts+3);
+				if(room) {
+	    			conn->onRoomUpdateCb(conn->onRoomUpdateCtx, netmsg->parts[2], room);
+	    		}
+				flib_room_destroy(room);
+			} else if(!strcmp(subcmd, "DEL") && netmsg->partCount == 3) {
+				conn->onRoomDeleteCb(conn->onRoomDeleteCtx, netmsg->parts[2]);
+			} else {
+				flib_log_w("Net: Unknown or malformed ROOM subcommand: %s", subcmd);
+			}
+	    } else if(!strcmp(cmd, "LOBBY:LEFT")) {
+	        if(netmsg->partCount < 2) {
+	            flib_log_w("Net: Bad LOBBY:LEFT message");
+	        } else {
+	        	conn->onLobbyLeaveCb(conn->onLobbyLeaveCtx, netmsg->parts[1], netmsg->partCount>2 ? netmsg->parts[2] : NULL);
+	        }
+	    } else if (!strcmp(cmd, "RUN_GAME")) {
+	        conn->onRunGameCb(conn->onRunGameCtx);
+	    } else if (!strcmp(cmd, "ASKPASSWORD")) {
+	    	conn->onPasswordRequestCb(conn->onPasswordRequestCtx, conn->playerName);
+	    } else if (!strcmp(cmd, "NOTICE")) {
+	        if(netmsg->partCount < 2) {
+	            flib_log_w("Net: Bad NOTICE message");
+	        } else {
+				errno = 0;
+				long n = strtol(netmsg->parts[1], NULL, 10);
+				if(errno) {
+					flib_log_w("Net: Bad NOTICE message");
+				} else if(n==0) {
+					conn->onNickTakenCb(conn->onNickTakenCtx, conn->playerName);
+				} else {
+					flib_log_w("Net: Unknown NOTICE message: %l", n);
+				}
+	        }
+	    } else if (!strcmp(cmd, "TEAM_ACCEPTED")) {
+	        if (netmsg->partCount != 2 || conn->netconnState!=NETCONN_STATE_ROOM) {
+	            flib_log_w("Net: Bad TEAM_ACCEPTED message");
+	        } else {
+	        	flib_team *team = flib_team_copy(flib_teamlist_find(&conn->pendingTeamlist, netmsg->parts[1]));
+	        	if(team) {
+	        		flib_teamlist_insert(&conn->teamlist, team, conn->teamlist.teamCount);
+	        		flib_teamlist_delete(&conn->pendingTeamlist, netmsg->parts[1]);
+	        	} else {
+	        		flib_log_e("Team accepted that was not requested: %s", netmsg->parts[1]);
+	        	}
+	        	conn->onTeamAcceptedCb(conn->onTeamAcceptedCtx, netmsg->parts[1]);
+	        }
+	    } else if (!strcmp(cmd, "CFG")) {
+	        if(netmsg->partCount < 3 || conn->netconnState!=NETCONN_STATE_ROOM) {
+	            flib_log_w("Net: Bad CFG message");
+	        } else {
+	        	const char *subcmd = netmsg->parts[1];
+				if(!strcmp(subcmd, "SCHEME") && netmsg->partCount == flib_meta.modCount + flib_meta.settingCount + 3) {
+					flib_scheme *cfg = flib_scheme_from_netmsg(netmsg->parts+2);
+					if(cfg) {
+						flib_scheme_destroy(conn->scheme);
+						conn->scheme = cfg;
+						conn->onSchemeChangedCb(conn->onSchemeChangedCtx, cfg);
+					} else {
+						flib_log_e("Error processing CFG SCHEME message");
+					}
+				} else if(!strcmp(subcmd, "FULLMAPCONFIG") && netmsg->partCount == 7) {
+					flib_map *map = flib_map_from_netmsg(netmsg->parts+2);
+					if(map) {
+						flib_map_destroy(conn->map);
+						conn->map = map;
+						conn->onMapChangedCb(conn->onMapChangedCtx, conn->map, NETCONN_MAPCHANGE_FULL);
+					} else {
+						flib_log_e("Error processing CFG FULLMAPCONFIG message");
+					}
+				} else if(!strcmp(subcmd, "MAP") && netmsg->partCount == 3) {
+					char *mapname = flib_strdupnull(netmsg->parts[2]);
+					if(mapname) {
+						free(conn->map->name);
+						conn->map->name = mapname;
+						conn->onMapChangedCb(conn->onMapChangedCtx, conn->map, NETCONN_MAPCHANGE_MAP);
+					} else {
+						flib_log_e("Error processing CFG MAP message");
+					}
+				} else if(!strcmp(subcmd, "THEME") && netmsg->partCount == 3) {
+					char *themename = flib_strdupnull(netmsg->parts[2]);
+					if(themename) {
+						free(conn->map->theme);
+						conn->map->theme = themename;
+						conn->onMapChangedCb(conn->onMapChangedCtx, conn->map, NETCONN_MAPCHANGE_THEME);
+					} else {
+						flib_log_e("Error processing CFG THEME message");
+					}
+				} else if(!strcmp(subcmd, "SEED") && netmsg->partCount == 3) {
+					char *seed = flib_strdupnull(netmsg->parts[2]);
+					if(seed) {
+						free(conn->map->seed);
+						conn->map->seed = seed;
+						conn->onMapChangedCb(conn->onMapChangedCtx, conn->map, NETCONN_MAPCHANGE_SEED);
+					} else {
+						flib_log_e("Error processing CFG SEED message");
+					}
+				} else if(!strcmp(subcmd, "TEMPLATE") && netmsg->partCount == 3) {
+					conn->map->templateFilter = atoi(netmsg->parts[2]);
+					conn->onMapChangedCb(conn->onMapChangedCtx, conn->map, NETCONN_MAPCHANGE_TEMPLATE);
+				} else if(!strcmp(subcmd, "MAPGEN") && netmsg->partCount == 3) {
+					conn->map->mapgen = atoi(netmsg->parts[2]);
+					conn->onMapChangedCb(conn->onMapChangedCtx, conn->map, NETCONN_MAPCHANGE_MAPGEN);
+				} else if(!strcmp(subcmd, "MAZE_SIZE") && netmsg->partCount == 3) {
+					conn->map->mazeSize = atoi(netmsg->parts[2]);
+					conn->onMapChangedCb(conn->onMapChangedCtx, conn->map, NETCONN_MAPCHANGE_MAZE_SIZE);
+				} else if(!strcmp(subcmd, "DRAWNMAP") && netmsg->partCount == 3) {
+					size_t drawnMapSize = 0;
+					uint8_t *drawnMapData = NULL;
+					if(!flib_drawnmapdata_from_netmsg(netmsg->parts[2], &drawnMapData, &drawnMapSize)) {
+						free(conn->map->drawData);
+						conn->map->drawData = drawnMapData;
+						conn->map->drawDataSize = drawnMapSize;
+						conn->onMapChangedCb(conn->onMapChangedCtx, conn->map, NETCONN_MAPCHANGE_DRAWNMAP);
+					} else {
+						flib_log_e("Error processing CFG DRAWNMAP message");
+					}
+				} else if(!strcmp(subcmd, "SCRIPT") && netmsg->partCount == 3) {
+					netconn_setScript(conn, netmsg->parts[2]);
+					conn->onScriptChangedCb(conn->onScriptChangedCtx, netmsg->parts[2]);
+				} else if(!strcmp(subcmd, "AMMO") && netmsg->partCount == 4) {
+					flib_weaponset *weapons = flib_weaponset_from_ammostring(netmsg->parts[2], netmsg->parts[3]);
+					if(weapons) {
+						flib_weaponset_destroy(conn->weaponset);
+						conn->weaponset = weapons;
+						conn->onWeaponsetChangedCb(conn->onWeaponsetChangedCtx, weapons);
+					} else {
+						flib_log_e("Error processing CFG AMMO message");
+					}
+				} else {
+					flib_log_w("Net: Unknown or malformed CFG subcommand: %s", subcmd);
+				}
+	        }
+	    } else if (!strcmp(cmd, "HH_NUM")) {
+	        if (netmsg->partCount != 3 || conn->netconnState!=NETCONN_STATE_ROOM) {
+	            flib_log_w("Net: Bad HH_NUM message");
+	        } else {
+	        	int hogs = atoi(netmsg->parts[2]);
+	        	if(hogs<=0 || hogs>HEDGEHOGS_PER_TEAM) {
+	        		flib_log_w("Net: Bad HH_NUM message: %s hogs", netmsg->parts[2]);
+	        	} else {
+	        		flib_team *team = flib_teamlist_find(&conn->teamlist, netmsg->parts[1]);
+	        		if(team) {
+	        			team->hogsInGame = hogs;
+	        		} else {
+	        			flib_log_e("HH_NUM message for unknown team %s", netmsg->parts[1]);
+	        		}
+	        		conn->onHogCountChangedCb(conn->onHogCountChangedCtx, netmsg->parts[1], hogs);
+	        	}
+	        }
+	    } else if (!strcmp(cmd, "TEAM_COLOR")) {
+	        if (netmsg->partCount != 3 || conn->netconnState!=NETCONN_STATE_ROOM) {
+	            flib_log_w("Net: Bad TEAM_COLOR message");
+	        } else {
+	        	long color;
+	        	if(sscanf(netmsg->parts[2], "%lu", &color) && color>=0 && color<flib_teamcolor_count) {
+	        		flib_team *team = flib_teamlist_find(&conn->teamlist, netmsg->parts[1]);
+	        		if(team) {
+	        			team->colorIndex = color;
+	        		} else {
+	        			flib_log_e("TEAM_COLOR message for unknown team %s", netmsg->parts[1]);
+	        		}
+	        		conn->onTeamColorChangedCb(conn->onTeamColorChangedCtx, netmsg->parts[1], color);
+	        	} else {
+	        		flib_log_w("Net: Bad TEAM_COLOR message: Color %s", netmsg->parts[2]);
+	        	}
+	        }
+	    } else if (!strcmp(cmd, "EM")) {
+	        if(netmsg->partCount < 2) {
+	            flib_log_w("Net: Bad EM message");
+	        } else {
+	        	for(int i = 1; i < netmsg->partCount; ++i) {
+					char *out = NULL;
+					size_t outlen;
+					bool ok = base64_decode_alloc(netmsg->parts[i], strlen(netmsg->parts[i]), &out, &outlen);
+					if(ok && outlen) {
+						conn->onEngineMessageCb(conn->onEngineMessageCtx, (uint8_t*)out, outlen);
+					} else {
+						flib_log_e("Net: Malformed engine message: %s", netmsg->parts[i]);
+					}
+					free(out);
+	        	}
+	        }
+	    } else if (!strcmp(cmd, "BYE")) {
+	        if (netmsg->partCount < 2) {
+	            flib_log_w("Net: Bad BYE message");
+	        } else {
+				conn->netconnState = NETCONN_STATE_DISCONNECTED;
+				if (!strcmp(netmsg->parts[1], "Authentication failed")) {
+					conn->onDisconnectedCb(conn->onDisconnectedCtx, NETCONN_DISCONNECT_AUTH_FAILED, netmsg->parts[1]);
+				} else {
+					conn->onDisconnectedCb(conn->onDisconnectedCtx, NETCONN_DISCONNECT_NORMAL, netmsg->parts[1]);
+				}
+				exit = true;
+	        }
+	    } else if (!strcmp(cmd, "ADMIN_ACCESS")) {
+	    	// deprecated
+	    } else if (!strcmp(cmd, "ROOM_CONTROL_ACCESS")) {
+	    	// deprecated
+	    } else {
+	    	flib_log_w("Unknown server command: %s", cmd);
+	    }
+		flib_netmsg_destroy(netmsg);
+	}
+
+	if(!exit && !conn->destroyRequested && !flib_netbase_connected(net)) {
+		conn->netconnState = NETCONN_STATE_DISCONNECTED;
+		conn->onDisconnectedCb(conn->onDisconnectedCtx, NETCONN_DISCONNECT_CONNLOST, "Connection lost");
+	}
+}
+
+void flib_netconn_tick(flib_netconn *conn) {
+	if(!log_badargs_if(conn==NULL)
+			&& !log_w_if(conn->running, "Call to flib_netconn_tick from a callback")
+			&& !log_w_if(conn->netconnState == NETCONN_STATE_DISCONNECTED, "We are already done.")) {
+		conn->running = true;
+		flib_netconn_wrappedtick(conn);
+		conn->running = false;
+
+		if(conn->destroyRequested) {
+			flib_netconn_destroy(conn);
+		}
+	}
+}