/* * Hedgewars, a free turn based strategy game * 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; either version 2 * of the License, or (at your option) any later version. * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */#include "netconn_internal.h"#include "../util/logging.h"#include "../util/util.h"#include <string.h>#include <stdlib.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_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: Quitstatic void defaultCallback_onPasswordRequest(void *context, const char *requestedNick) { flib_netconn_send_quit((flib_netconn*)context, "Authentication failed");}void netconn_clearCallbacks(flib_netconn *conn) { flib_netconn_onMessage(conn, NULL, NULL); flib_netconn_onConnected(conn, NULL, NULL); flib_netconn_onDisconnected(conn, NULL, NULL); flib_netconn_onRoomlist(conn, NULL, NULL); flib_netconn_onRoomAdd(conn, NULL, NULL); flib_netconn_onRoomDelete(conn, NULL, NULL); flib_netconn_onRoomUpdate(conn, NULL, NULL); flib_netconn_onClientFlags(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_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_onSchemeChanged(conn, NULL, NULL); flib_netconn_onMapChanged(conn, NULL, NULL); flib_netconn_onScriptChanged(conn, NULL, NULL); flib_netconn_onWeaponsetChanged(conn, NULL, NULL); flib_netconn_onServerVar(conn, NULL, NULL);}/** * This macro generates a callback setter function. It uses the name of the callback to * automatically generate the function name and the fields to set, so a consistent naming * convention needs to be enforced (not that that is a bad thing). If null is passed as * callback to the generated function, the defaultCb will be set instead (with conn * as the context). */#define GENERATE_CB_SETTER(cbName, cbParameterTypes, defaultCb) \ void flib_netconn_##cbName(flib_netconn *conn, void (*callback)cbParameterTypes, void *context) { \ if(!log_badargs_if(conn==NULL)) { \ conn->cbName##Cb = callback ? callback : &defaultCb; \ conn->cbName##Ctx = callback ? context : conn; \ } \ }/** * Generate a callback setter function like GENERATE_CB_SETTER, and automatically generate a * no-op callback function as well that is used as default. */#define GENERATE_CB_SETTER_AND_DEFAULT(cbName, cbParameterTypes) \ static void _noop_callback_##cbName cbParameterTypes {} \ GENERATE_CB_SETTER(cbName, cbParameterTypes, _noop_callback_##cbName)GENERATE_CB_SETTER(onMessage, (void *context, int msgtype, const char *msg), defaultCallback_onMessage);GENERATE_CB_SETTER_AND_DEFAULT(onConnected, (void *context));GENERATE_CB_SETTER_AND_DEFAULT(onDisconnected, (void *context, int reason, const char *message));GENERATE_CB_SETTER_AND_DEFAULT(onRoomlist, (void *context, const flib_room **rooms, int roomCount));GENERATE_CB_SETTER_AND_DEFAULT(onRoomAdd, (void *context, const flib_room *room));GENERATE_CB_SETTER_AND_DEFAULT(onRoomDelete, (void *context, const char *name));GENERATE_CB_SETTER_AND_DEFAULT(onRoomUpdate, (void *context, const char *oldName, const flib_room *room));GENERATE_CB_SETTER_AND_DEFAULT(onClientFlags, (void *context, const char *nick, const char *flags, bool newFlagState));GENERATE_CB_SETTER(onChat, (void *context, const char *nick, const char *msg), defaultCallback_onChat);GENERATE_CB_SETTER_AND_DEFAULT(onLobbyJoin, (void *context, const char *nick));GENERATE_CB_SETTER_AND_DEFAULT(onLobbyLeave, (void *context, const char *nick, const char *partMsg));GENERATE_CB_SETTER_AND_DEFAULT(onRoomJoin, (void *context, const char *nick));GENERATE_CB_SETTER_AND_DEFAULT(onRoomLeave, (void *context, const char *nick, const char *partMessage));GENERATE_CB_SETTER(onNickTaken, (void *context, const char *nick), defaultCallback_onNickTaken);GENERATE_CB_SETTER(onPasswordRequest, (void *context, const char *nick), defaultCallback_onPasswordRequest);GENERATE_CB_SETTER_AND_DEFAULT(onEnterRoom, (void *context, bool chief));GENERATE_CB_SETTER_AND_DEFAULT(onLeaveRoom, (void *context, int reason, const char *message));GENERATE_CB_SETTER_AND_DEFAULT(onTeamAdd, (void *context, const flib_team *team));GENERATE_CB_SETTER_AND_DEFAULT(onTeamDelete, (void *context, const char *teamname));GENERATE_CB_SETTER_AND_DEFAULT(onRunGame, (void *context));GENERATE_CB_SETTER_AND_DEFAULT(onTeamAccepted, (void *context, const char *teamName));GENERATE_CB_SETTER_AND_DEFAULT(onHogCountChanged, (void *context, const char *teamName, int hogs));GENERATE_CB_SETTER_AND_DEFAULT(onTeamColorChanged, (void *context, const char *teamName, int colorIndex));GENERATE_CB_SETTER_AND_DEFAULT(onEngineMessage, (void *context, const uint8_t *message, size_t size));GENERATE_CB_SETTER_AND_DEFAULT(onSchemeChanged, (void *context, const flib_scheme *scheme));GENERATE_CB_SETTER_AND_DEFAULT(onMapChanged, (void *context, const flib_map *map, int changetype));GENERATE_CB_SETTER_AND_DEFAULT(onScriptChanged, (void *context, const char *script));GENERATE_CB_SETTER_AND_DEFAULT(onWeaponsetChanged, (void *context, const flib_weaponset *weaponset));GENERATE_CB_SETTER_AND_DEFAULT(onServerVar, (void *context, const char *name, const char *value));#undef GENERATE_CB_SETTER_AND_DEFAULT#undef GENERATE_CB_SETTER