frontlib: Intermittent commit. Things are still in flux but we're getting there :)
/*
* 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
*/
// TODO: Check the state transitions. Document with a diagram or something
#include "netconn_internal.h"
#include "netprotocol.h"
#include "../util/logging.h"
#include "../util/util.h"
#include "../model/roomlist.h"
#include "../md5/md5.h"
#include "../base64/base64.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
static void defaultCallback_onMessage(void *context, int msgtype, const char *msg) {
flib_log_i("Net: [%i] %s", msgtype, msg);
}
static void defaultCallback_void(void *context) {}
static void defaultCallback_bool(void *context, bool isChief) {}
static void defaultCallback_str(void *context, const char *str) {}
static void defaultCallback_int_str(void *context, int i, const char *str) {}
static void defaultCallback_str_str(void *context, const char *str1, const char *str2) {}
static void defaultCallback_str_bool(void *context, const char *str, bool b) {}
static void defaultCallback_str_int(void *context, const char *str, int i) {}
static void defaultCallback_onRoomAdd(void *context, const flib_roomlist_room *room) {}
static void defaultCallback_onRoomUpdate(void *context, const char *oldName, const flib_roomlist_room *room) {}
static void defaultCallback_onChat(void *context, const char *nick, const char *msg) {
flib_log_i("%s: %s", nick, msg);
}
// Change the name by suffixing it with a number. If it already ends in a number, increase that number by 1.
static void defaultCallback_onNickTaken(void *context, const char *requestedNick) {
flib_netconn *conn = context;
size_t namelen = strlen(requestedNick);
int digits = 0;
while(digits<namelen && isdigit(requestedNick[namelen-1-digits])) {
digits++;
}
long suffix = 0;
if(digits>0) {
suffix = atol(requestedNick+namelen-digits)+1;
}
char *newPlayerName = flib_asprintf("%.*s%li", namelen-digits, requestedNick, suffix);
if(newPlayerName) {
flib_netconn_send_nick(conn, newPlayerName);
} else {
flib_netconn_send_quit(conn, "Nick already taken.");
}
free(newPlayerName);
}
// Default behavior: Quit
static void defaultCallback_onPasswordRequest(void *context, const char *requestedNick) {
flib_netconn_send_quit((flib_netconn*)context, "Authentication failed");
}
static void defaultCallback_onTeamAdd(void *context, flib_team *team) {}
static void defaultCallback_onTeamColorChanged(void *context, const char *teamName, uint32_t color) {}
static void defaultCallback_onCfgScheme(void *context, flib_cfg *scheme) {}
static void defaultCallback_onMapChanged(void *context, const flib_map *map, int changetype) {}
static void defaultCallback_onWeaponsetChanged(void *context, flib_weaponset *weaponset) {}
static void clearCallbacks(flib_netconn *conn) {
flib_netconn_onMessage(conn, NULL, NULL);
flib_netconn_onConnected(conn, NULL, NULL);
flib_netconn_onDisconnected(conn, NULL, NULL);
flib_netconn_onRoomAdd(conn, NULL, NULL);
flib_netconn_onRoomDelete(conn, NULL, NULL);
flib_netconn_onRoomUpdate(conn, NULL, NULL);
flib_netconn_onChat(conn, NULL, NULL);
flib_netconn_onLobbyJoin(conn, NULL, NULL);
flib_netconn_onLobbyLeave(conn, NULL, NULL);
flib_netconn_onRoomJoin(conn, NULL, NULL);
flib_netconn_onRoomLeave(conn, NULL, NULL);
flib_netconn_onNickTaken(conn, NULL, NULL);
flib_netconn_onPasswordRequest(conn, NULL, NULL);
flib_netconn_onRoomChiefStatus(conn, NULL, NULL);
flib_netconn_onReadyState(conn, NULL, NULL);
flib_netconn_onEnterRoom(conn, NULL, NULL);
flib_netconn_onLeaveRoom(conn, NULL, NULL);
flib_netconn_onTeamAdd(conn, NULL, NULL);
flib_netconn_onTeamDelete(conn, NULL, NULL);
flib_netconn_onRunGame(conn, NULL, NULL);
flib_netconn_onTeamAccepted(conn, NULL, NULL);
flib_netconn_onHogCountChanged(conn, NULL, NULL);
flib_netconn_onTeamColorChanged(conn, NULL, NULL);
flib_netconn_onEngineMessage(conn, NULL, NULL);
flib_netconn_onCfgScheme(conn, NULL, NULL);
flib_netconn_onMapChanged(conn, NULL, NULL);
flib_netconn_onScriptChanged(conn, NULL, NULL);
flib_netconn_onWeaponsetChanged(conn, NULL, NULL);
flib_netconn_onAdminAccess(conn, NULL, NULL);
flib_netconn_onServerVar(conn, NULL, NULL);
}
flib_netconn *flib_netconn_create(const char *playerName, flib_cfg_meta *metacfg, const char *host, uint16_t port) {
flib_netconn *result = NULL;
if(!playerName || !metacfg || !host) {
flib_log_e("null parameter in flib_netconn_create");
} else {
flib_netconn *newConn = flib_calloc(1, sizeof(flib_netconn));
if(newConn) {
newConn->netconnState = NETCONN_STATE_CONNECTING;
newConn->isAdmin = false;
newConn->isChief = false;
newConn->metaCfg = flib_cfg_meta_retain(metacfg);
newConn->roomList = flib_roomlist_create();
newConn->map = flib_map_create_named("", "NoSuchMap");
newConn->running = false;
newConn->destroyRequested = false;
clearCallbacks(newConn);
newConn->netBase = flib_netbase_create(host, port);
newConn->playerName = flib_strdupnull(playerName);
if(newConn->netBase && newConn->playerName && newConn->roomList) {
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.
*/
clearCallbacks(conn);
conn->destroyRequested = true;
} else {
flib_netbase_destroy(conn->netBase);
flib_cfg_meta_release(conn->metaCfg);
flib_roomlist_destroy(conn->roomList);
flib_map_release(conn->map);
free(conn->playerName);
free(conn);
}
}
}
const flib_roomlist *flib_netconn_get_roomlist(flib_netconn *conn) {
const flib_roomlist *result = NULL;
if(!conn) {
flib_log_e("null parameter in flib_netconn_get_roomlist");
} else {
result = conn->roomList;
}
return result;
}
bool flib_netconn_is_chief(flib_netconn *conn) {
bool result = false;
if(!conn) {
flib_log_e("null parameter in flib_netconn_is_chief");
} else if(conn->netconnState == NETCONN_STATE_ROOM || conn->netconnState == NETCONN_STATE_INGAME) {
result = conn->isChief;
}
return result;
}
/*
* Callback registration functions
*/
void flib_netconn_onMessage(flib_netconn *conn, void (*callback)(void *context, int msgtype, const char *msg), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onMessage");
} else {
conn->onMessageCb = callback ? callback : &defaultCallback_onMessage;
conn->onMessageCtx = context;
}
}
void flib_netconn_onConnected(flib_netconn *conn, void (*callback)(void *context), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onConnected");
} else {
conn->onConnectedCb = callback ? callback : &defaultCallback_void;
conn->onConnectedCtx = context;
}
}
void flib_netconn_onDisconnected(flib_netconn *conn, void (*callback)(void *context, int reason, const char *message), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onDisconnected");
} else {
conn->onDisconnectedCb = callback ? callback : &defaultCallback_int_str;
conn->onDisconnectedCtx = context;
}
}
void flib_netconn_onRoomAdd(flib_netconn *conn, void (*callback)(void *context, const flib_roomlist_room *room), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onRoomAdd");
} else {
conn->onRoomAddCb = callback ? callback : &defaultCallback_onRoomAdd;
conn->onRoomAddCtx = context;
}
}
void flib_netconn_onRoomDelete(flib_netconn *conn, void (*callback)(void *context, const char *name), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onRoomDelete");
} else {
conn->onRoomDeleteCb = callback ? callback : &defaultCallback_str;
conn->onRoomDeleteCtx = context;
}
}
void flib_netconn_onRoomUpdate(flib_netconn *conn, void (*callback)(void *context, const char *oldName, const flib_roomlist_room *room), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onRoomUpdate");
} else {
conn->onRoomUpdateCb = callback ? callback : &defaultCallback_onRoomUpdate;
conn->onRoomUpdateCtx = context;
}
}
void flib_netconn_onChat(flib_netconn *conn, void (*callback)(void *context, const char *nick, const char *msg), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onChat");
} else {
conn->onChatCb = callback ? callback : &defaultCallback_onChat;
conn->onChatCtx = context;
}
}
void flib_netconn_onLobbyJoin(flib_netconn *conn, void (*callback)(void *context, const char *nick), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onLobbyJoin");
} else {
conn->onLobbyJoinCb = callback ? callback : &defaultCallback_str;
conn->onLobbyJoinCtx = context;
}
}
void flib_netconn_onLobbyLeave(flib_netconn *conn, void (*callback)(void *context, const char *nick, const char *partMsg), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onLobbyLeave");
} else {
conn->onLobbyLeaveCb = callback ? callback : &defaultCallback_str_str;
conn->onLobbyLeaveCtx = context;
}
}
void flib_netconn_onRoomJoin(flib_netconn *conn, void (*callback)(void *context, const char *nick), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onRoomJoin");
} else {
conn->onRoomJoinCb = callback ? callback : &defaultCallback_str;
conn->onRoomJoinCtx = context;
}
}
void flib_netconn_onRoomLeave(flib_netconn *conn, void (*callback)(void *context, const char *nick, const char *partMessage), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onRoomLeave");
} else {
conn->onRoomLeaveCb = callback ? callback : &defaultCallback_str_str;
conn->onRoomLeaveCtx = context;
}
}
void flib_netconn_onNickTaken(flib_netconn *conn, void (*callback)(void *context, const char *nick), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onNickTaken");
} else if(!callback) {
conn->onNickTakenCb = &defaultCallback_onNickTaken;
conn->onNickTakenCtx = conn;
} else {
conn->onNickTakenCb = callback;
conn->onNickTakenCtx = context;
}
}
void flib_netconn_onPasswordRequest(flib_netconn *conn, void (*callback)(void *context, const char *nick), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onPasswordRequest");
} else if(!callback) {
conn->onPasswordRequestCb = &defaultCallback_onPasswordRequest;
conn->onPasswordRequestCtx = conn;
} else {
conn->onPasswordRequestCb = callback;
conn->onPasswordRequestCtx = context;
}
}
void flib_netconn_onRoomChiefStatus(flib_netconn *conn, void (*callback)(void *context, bool chief), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onRoomChiefStatus");
} else {
conn->onRoomChiefStatusCb = callback ? callback : &defaultCallback_bool;
conn->onRoomChiefStatusCtx = context;
}
}
void flib_netconn_onReadyState(flib_netconn *conn, void (*callback)(void *context, const char *nick, bool ready), void* context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onReadyState");
} else {
conn->onReadyStateCb = callback ? callback : &defaultCallback_str_bool;
conn->onReadyStateCtx = context;
}
}
void flib_netconn_onEnterRoom(flib_netconn *conn, void (*callback)(void *context, bool chief), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onEnterRoom");
} else {
conn->onEnterRoomCb = callback ? callback : &defaultCallback_bool;
conn->onEnterRoomCtx = context;
}
}
void flib_netconn_onLeaveRoom(flib_netconn *conn, void (*callback)(void *context, int reason, const char *message), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onLeaveRoom");
} else {
conn->onLeaveRoomCb = callback ? callback : &defaultCallback_int_str;
conn->onLeaveRoomCtx = context;
}
}
void flib_netconn_onTeamAdd(flib_netconn *conn, void (*callback)(void *context, flib_team *team), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onTeamAdd");
} else {
conn->onTeamAddCb = callback ? callback : &defaultCallback_onTeamAdd;
conn->onTeamAddCtx = context;
}
}
void flib_netconn_onTeamDelete(flib_netconn *conn, void (*callback)(void *context, const char *teamname), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onTeamDelete");
} else {
conn->onTeamDeleteCb = callback ? callback : &defaultCallback_str;
conn->onTeamDeleteCtx = context;
}
}
void flib_netconn_onRunGame(flib_netconn *conn, void (*callback)(void *context), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onRunGame");
} else {
conn->onRunGameCb = callback ? callback : &defaultCallback_void;
conn->onRunGameCtx = context;
}
}
void flib_netconn_onTeamAccepted(flib_netconn *conn, void (*callback)(void *context, const char *teamName), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onTeamAccepted");
} else {
conn->onTeamAcceptedCb = callback ? callback : &defaultCallback_str;
conn->onTeamAcceptedCtx = context;
}
}
void flib_netconn_onHogCountChanged(flib_netconn *conn, void (*callback)(void *context, const char *teamName, int hogs), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onHogCountChanged");
} else {
conn->onHogCountChangedCb = callback ? callback : &defaultCallback_str_int;
conn->onHogCountChangedCtx = context;
}
}
void flib_netconn_onTeamColorChanged(flib_netconn *conn, void (*callback)(void *context, const char *teamName, uint32_t colorARGB), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onTeamColorChanged");
} else {
conn->onTeamColorChangedCb = callback ? callback : &defaultCallback_onTeamColorChanged;
conn->onTeamColorChangedCtx = context;
}
}
void flib_netconn_onEngineMessage(flib_netconn *conn, void (*callback)(void *context, const char *message, int size), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onEngineMessage");
} else {
conn->onEngineMessageCb = callback ? callback : &defaultCallback_str_int;
conn->onEngineMessageCtx = context;
}
}
void flib_netconn_onCfgScheme(flib_netconn *conn, void (*callback)(void *context, flib_cfg *scheme), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onCfgScheme");
} else {
conn->onCfgSchemeCb = callback ? callback : &defaultCallback_onCfgScheme;
conn->onCfgSchemeCtx = context;
}
}
void flib_netconn_onMapChanged(flib_netconn *conn, void (*callback)(void *context, const flib_map *map, int changetype), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onMapChanged");
} else {
conn->onMapChangedCb = callback ? callback : &defaultCallback_onMapChanged;
conn->onMapChangedCtx = context;
}
}
void flib_netconn_onScriptChanged(flib_netconn *conn, void (*callback)(void *context, const char *script), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onScriptChanged");
} else {
conn->onScriptChangedCb = callback ? callback : &defaultCallback_str;
conn->onScriptChangedCtx = context;
}
}
void flib_netconn_onWeaponsetChanged(flib_netconn *conn, void (*callback)(void *context, flib_weaponset *weaponset), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onWeaponsetChanged");
} else {
conn->onWeaponsetChangedCb = callback ? callback : &defaultCallback_onWeaponsetChanged;
conn->onWeaponsetChangedCtx = context;
}
}
void flib_netconn_onAdminAccess(flib_netconn *conn, void (*callback)(void *context), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onAdminAccess");
} else {
conn->onAdminAccessCb = callback ? callback : &defaultCallback_void;
conn->onAdminAccessCtx = context;
}
}
void flib_netconn_onServerVar(flib_netconn *conn, void (*callback)(void *context, const char *name, const char *value), void *context) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_onServerVar");
} else {
conn->onServerVarCb = callback ? callback : &defaultCallback_str_str;
conn->onServerVarCtx = context;
}
}
void leaveRoom(flib_netconn *conn) {
conn->netconnState = NETCONN_STATE_LOBBY;
conn->isChief = false;
flib_map *map = flib_map_create_named("", "NoSuchMap");
if(map) {
flib_map_release(conn->map);
conn->map = map;
} else {
flib_log_e("Error resetting netconn.map");
}
}
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 {
flib_roomlist_clear(conn->roomList);
for(int i=1; i<netmsg->partCount; i+=8) {
if(flib_roomlist_add(conn->roomList, netmsg->parts+i)) {
flib_log_e("Error adding room to list in ROOMS message");
}
}
if(conn->netconnState == NETCONN_STATE_CONNECTING) {
// We delay the "connected" callback until now to ensure the room list is avaliable.
conn->onConnectedCb(conn->onConnectedCtx);
conn->netconnState = NETCONN_STATE_LOBBY;
}
}
} 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 i=1; flags[i]; i++) {
switch(flags[i]) {
case 'r':
for(int j = 2; j < netmsg->partCount; ++j) {
conn->onReadyStateCb(conn->onReadyStateCtx, netmsg->parts[i], setFlag);
}
break;
default:
flib_log_w("Net: Unknown flag %c in CLIENT_FLAGS message", flags[i]);
break;
}
}
}
} else if (!strcmp(cmd, "ADD_TEAM")) {
if(netmsg->partCount != 24) {
flib_log_w("Net: Bad ADD_TEAM message");
} else {
flib_team *team = flib_team_from_netmsg(netmsg->parts+1);
if(!team) {
conn->netconnState = NETCONN_STATE_DISCONNECTED;
conn->onDisconnectedCb(conn->onDisconnectedCtx, NETCONN_DISCONNECT_INTERNAL_ERROR, "Internal error");
exit = true;
} else {
team->remoteDriven = true;
conn->onTeamAddCb(conn->onTeamAddCtx, team);
}
flib_team_release(team);
}
} else if (!strcmp(cmd, "REMOVE_TEAM")) {
if(netmsg->partCount != 2) {
flib_log_w("Net: Bad REMOVETEAM message");
} else {
conn->onTeamDeleteCb(conn->onTeamDeleteCtx, netmsg->parts[1]);
}
} else if(!strcmp(cmd, "ROOMABANDONED")) {
leaveRoom(conn);
conn->onLeaveRoomCb(conn->onLeaveRoomCtx, NETCONN_ROOMLEAVE_ABANDONED, "Room destroyed");
} else if(!strcmp(cmd, "KICKED")) {
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) {
if(flib_netbase_sendf(conn->netBase, "%s\n\n", "LIST")) {
// If sending this fails, the protocol breaks (we'd be waiting infinitely for the room list)
flib_netbase_sendf(net, "%s\n%s\n\n", "QUIT", "Client error");
conn->netconnState = NETCONN_STATE_DISCONNECTED;
conn->onDisconnectedCb(conn->onDisconnectedCtx, NETCONN_DISCONNECT_INTERNAL_ERROR, "Failed to send a critical message.");
exit = true;
}
}
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) {
if(flib_roomlist_add(conn->roomList, netmsg->parts+2)) {
flib_log_e("Error adding new room to list");
} else {
conn->onRoomAddCb(conn->onRoomAddCtx, conn->roomList->rooms[0]);
}
} else if(!strcmp(subcmd, "UPD") && netmsg->partCount == 11) {
if(flib_roomlist_update(conn->roomList, netmsg->parts[2], netmsg->parts+3)) {
flib_log_e("Error updating room in list");
} else {
conn->onRoomUpdateCb(conn->onRoomUpdateCtx, netmsg->parts[2], flib_roomlist_find(conn->roomList, netmsg->parts[2]));
}
} else if(!strcmp(subcmd, "DEL") && netmsg->partCount == 3) {
if(flib_roomlist_delete(conn->roomList, netmsg->parts[2])) {
flib_log_e("Error deleting room from list");
} else {
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->netconnState = NETCONN_STATE_INGAME;
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) {
flib_log_w("Net: Bad TEAM_ACCEPTED message");
} else {
conn->onTeamAcceptedCb(conn->onTeamAcceptedCtx, netmsg->parts[1]);
}
} else if (!strcmp(cmd, "CFG")) {
if(netmsg->partCount < 3) {
flib_log_w("Net: Bad CFG message");
} else {
const char *subcmd = netmsg->parts[1];
if(!strcmp(subcmd, "SCHEME") && netmsg->partCount == conn->metaCfg->modCount + conn->metaCfg->settingCount + 3) {
flib_cfg *cfg = flib_netmsg_to_cfg(conn->metaCfg, netmsg->parts+2);
if(cfg) {
conn->onCfgSchemeCb(conn->onCfgSchemeCtx, cfg);
} else {
flib_log_e("Error processing CFG SCHEME message");
}
flib_cfg_release(cfg);
} else if(!strcmp(subcmd, "FULLMAPCONFIG") && netmsg->partCount == 7) {
flib_map *map = flib_netmsg_to_map(netmsg->parts+2);
if(map) {
flib_map_release(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 = flib_netmsg_to_drawnmapdata(&drawnMapSize, netmsg->parts[2]);
if(drawnMapData) {
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) {
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) {
conn->onWeaponsetChangedCb(conn->onWeaponsetChangedCtx, weapons);
} else {
flib_log_e("Error processing CFG AMMO message");
}
flib_weaponset_release(weapons);
} else {
flib_log_w("Net: Unknown or malformed CFG subcommand: %s", subcmd);
}
}
} else if (!strcmp(cmd, "HH_NUM")) {
if (netmsg->partCount != 3) {
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 {
conn->onHogCountChangedCb(conn->onHogCountChangedCtx, netmsg->parts[1], hogs);
}
}
} else if (!strcmp(cmd, "TEAM_COLOR")) {
if (netmsg->partCount != 3) {
flib_log_w("Net: Bad TEAM_COLOR message");
} else {
long color;
if(sscanf(netmsg->parts[2], "#%lx", &color)) {
conn->onTeamColorChangedCb(conn->onTeamColorChangedCtx, netmsg->parts[1], (uint32_t)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, 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")) {
conn->onAdminAccessCb(conn->onAdminAccessCtx);
conn->isAdmin = true;
} else if (!strcmp(cmd, "ROOM_CONTROL_ACCESS")) {
if (netmsg->partCount < 2) {
flib_log_w("Net: Bad ROOM_CONTROL_ACCESS message");
} else {
conn->isChief = strcmp("0", netmsg->parts[1]);
conn->onRoomChiefStatusCb(conn->onRoomChiefStatusCtx, conn->isChief);
}
} else {
flib_log_w("Unknown server command: %s", cmd);
}
flib_netmsg_destroy(netmsg);
}
}
void flib_netconn_tick(flib_netconn *conn) {
if(!conn) {
flib_log_e("null parameter in flib_netconn_tick");
} else if(conn->running) {
flib_log_w("Call to flib_netconn_tick from a callback");
} else if(conn->netconnState == NETCONN_STATE_DISCONNECTED) {
flib_log_w("Call to flib_netconn_tick, but we are already done.");
} else {
conn->running = true;
flib_netconn_wrappedtick(conn);
conn->running = false;
if(conn->destroyRequested) {
flib_netconn_destroy(conn);
}
}
}