X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fnetserv.c;h=f29a19c8e39f906851bc8f754736341783adb38e;hb=c020bbb83dd5b52a353fa867d7746a43eb5e6ffc;hp=aec5d0576d3d147f735e4d03d3b1aa4ceb07d116;hpb=e7f36cd97c8580345714b4a22d6b4ad291e50ed6;p=rocksndiamonds.git diff --git a/src/netserv.c b/src/netserv.c index aec5d057..f29a19c8 100644 --- a/src/netserv.c +++ b/src/netserv.c @@ -1,15 +1,15 @@ -/* - * A server for a multi-player version of Tetris - * - * Copyright (C) 1996 Roger Espel Llima - * - * Started: 10 Oct 1996 - * - * 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. See the file COPYING for details. - * - */ +/*********************************************************** +* Rocks'n'Diamonds -- McDuffin Strikes Back! * +*----------------------------------------------------------* +* (c) 1995-98 Artsoft Entertainment * +* Holger Schemel * +* Oststrasse 11a * +* 33604 Bielefeld * +* phone: ++49 +521 290471 * +* email: aeglos@valinor.owl.de * +*----------------------------------------------------------* +* network.c * +***********************************************************/ #include #include @@ -27,24 +27,11 @@ #include #include "netserv.h" - - - -extern int verbose; - -extern void copydown(char *, char *, int); -extern void fatal(char *); - - +#include "misc.h" static int clients = 0; -static int bots = 0; static int onceonly = 0; -static int timetoplay = 0; static int is_daemon = 0; -static int level = 5; -static int mode = -1; -static int paused = 0; struct user { @@ -59,7 +46,6 @@ struct user unsigned char writbuf[MAX_BUFFER_SIZE]; int nwrite; char playing; - char isbot; int lines; unsigned int games; unsigned char action; @@ -91,7 +77,8 @@ static void syserr(char *s) static void addtobuffer(struct user *u, unsigned char *b, int len) { if (u->nwrite + len >= MAX_BUFFER_SIZE) - fatal("Internal error: send buffer overflow"); + Error(ERR_EXIT, "internal error: network send buffer overflow"); + memcpy(u->writbuf + u->nwrite, b, len); u->nwrite += len; } @@ -127,7 +114,7 @@ static void dropuser(struct user *u) { struct user *v, *w; - if (verbose) + if (options.verbose) printf("RND_SERVER: dropping client %d (%s)\n", u->number, u->nick); if (u == user0) @@ -169,28 +156,18 @@ static void dropuser(struct user *u) } } - if (u->isbot) - bots--; - free(u); clients--; - if (onceonly && clients == bots) + if (onceonly && clients == 0) { - if (verbose) + if (options.verbose) { printf("RND_SERVER: no clients left\n"); printf("RND_SERVER: aborting\n"); } exit(0); } - - if (clients == 0) - { - mode = -1; - level = 5; - timetoplay = 0; - } } static void new_connect(int fd) @@ -198,9 +175,8 @@ static void new_connect(int fd) struct user *u, *v; unsigned char nxn; - u = malloc(sizeof (struct user)); - if (!u) - fatal("Out of memory"); + u = checked_malloc(sizeof (struct user)); + u->fd = fd; u->nick[0] = 0; u->next = user0; @@ -209,7 +185,6 @@ static void new_connect(int fd) u->nread = 0; u->nwrite = 0; u->playing = 0; - u->isbot = 0; u->introduced = 0; u->games = 0; u->action = 0; @@ -232,7 +207,7 @@ static void new_connect(int fd) } u->number = nxn; - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d connecting from %s\n", nxn, inet_ntoa(saddr.sin_addr)); clients++; @@ -244,16 +219,16 @@ static void new_connect(int fd) static void Handle_OP_PROTOCOL_VERSION(struct user *u, unsigned int len) { - if (len != 5 || buf[2] != PROT_VERS_1 || buf[3] != PROT_VERS_2) + if (len != 5 || buf[2] != PROTOCOL_VERSION_1 || buf[3] != PROTOCOL_VERSION_2) { - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d (%s) has wrong protocol version %d.%d.%d\n", u->number, u->nick, buf[2], buf[3], buf[4]); buf[0] = 0; buf[1] = OP_BADVERS; - buf[2] = PROT_VERS_1; - buf[3] = PROT_VERS_2; - buf[4] = PROT_VERS_3; + buf[2] = PROTOCOL_VERSION_1; + buf[3] = PROTOCOL_VERSION_2; + buf[4] = PROTOCOL_VERSION_3; sendtoone(u, 5); flushuser(u); @@ -262,7 +237,7 @@ static void Handle_OP_PROTOCOL_VERSION(struct user *u, unsigned int len) } else { - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d (%s) uses protocol version %d.%d.%d\n", u->number, u->nick, buf[2], buf[3], buf[4]); } } @@ -274,7 +249,7 @@ static void Handle_OP_NUMBER_WANTED(struct user *u) int nr_wanted = buf[2]; int nr_is_free = 1; - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d (%s) wants to switch to # %d\n", u->number, u->nick, nr_wanted); @@ -287,7 +262,7 @@ static void Handle_OP_NUMBER_WANTED(struct user *u) } } - if (verbose) + if (options.verbose) { if (nr_is_free) printf("RND_SERVER: client %d (%s) switches to # %d\n", @@ -341,7 +316,7 @@ static void Handle_OP_NICKNAME(struct user *u, unsigned int len) broadcast(u, 2, 0); } - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d calls itself \"%s\"\n", u->number, u->nick); buf[1] = OP_NICKNAME; broadcast(u, len, 0); @@ -362,19 +337,6 @@ static void Handle_OP_NICKNAME(struct user *u, unsigned int len) sendtoone(u, 2+strlen(v->nick)); } } - if (level != 5) - { - buf[0] = 0; - buf[1] = OP_LEVEL; - buf[2] = level; - sendtoone(u, 3); - } - if (mode >= 0) - { - buf[1] = OP_MODE; - buf[2] = mode; - sendtoone(u, 3); - } } u->introduced = 1; @@ -384,13 +346,12 @@ static void Handle_OP_START_PLAYING(struct user *u) { struct user *v, *w; - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d (%s) starts game [level %d from levedir %d (%s)]\n", u->number, u->nick, (buf[2] << 8) + buf[3], (buf[4] << 8) + buf[5], &buf[6]); - timetoplay = 0; for (w=user0; w; w=w->next) { @@ -411,17 +372,6 @@ static void Handle_OP_START_PLAYING(struct user *u) } } - /* - if (paused) - { - paused = 0; - buf[1] = OP_CONT; - broadcast(NULL, 2, 0); - } - buf[1] = OP_START_PLAYING; - broadcast(NULL, 2, 0); - */ - /* reset frame counter */ frame_counter = 0; @@ -437,23 +387,21 @@ static void Handle_OP_START_PLAYING(struct user *u) static void Handle_OP_PAUSE_PLAYING(struct user *u) { - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d (%s) pauses game\n", u->number, u->nick); broadcast(NULL, 2, 0); - paused = 1; } static void Handle_OP_CONTINUE_PLAYING(struct user *u) { - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d (%s) continues game\n", u->number, u->nick); broadcast(NULL, 2, 0); - paused = 0; } static void Handle_OP_STOP_PLAYING(struct user *u) { - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d (%s) stops game\n", u->number, u->nick); broadcast(NULL, 2, 0); } @@ -516,7 +464,7 @@ static void Handle_OP_MOVE_FIGURE(struct user *u) void NetworkServer(int port, int serveronly) { int i, sl, on; - struct user *u, *v, *w; + struct user *u; int mfd; int r; unsigned int len; @@ -565,7 +513,7 @@ void NetworkServer(int port, int serveronly) if (is_daemon) { /* become a daemon, breaking all ties with the controlling terminal */ - verbose = 0; + options.verbose = 0; for (i=0; i<255; i++) { if (i != lfd) @@ -585,29 +533,18 @@ void NetworkServer(int port, int serveronly) open("/dev/null", O_WRONLY); } - if (verbose) + if (options.verbose) { printf("rocksndiamonds network server: started up, listening on port %d\n", port); printf("rocksndiamonds network server: using protocol version %d.%d.%d\n", - PROT_VERS_1, PROT_VERS_2, PROT_VERS_3); + PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, PROTOCOL_VERSION_3); } while(1) { interrupt = 0; - /* - if (timetoplay && time(NULL) >= timetoplay) - { - buf[0] = 0; - do_play(); - if (verbose) - printf("RND_SERVER: everyone lost... restarting game\n"); - timetoplay = 0; - } - */ - for (u=user0; u; u=u->next) flushuser(u); @@ -625,21 +562,15 @@ void NetworkServer(int port, int serveronly) tv.tv_sec = 0; tv.tv_usec = 500000; if ((sl = select(mfd + 1, &fds, NULL, NULL, &tv)) < 0) + { if (errno != EINTR) syserr("select"); - else continue; - - if (sl < 0) - continue; + else + continue; + } - if (clients > 0 && clients == bots) - { - if (verbose) - printf("RND_SERVER: only bots left... dropping all bots\n"); - while (user0) - dropuser(user0); + if (sl < 0) continue; - } if (sl == 0) continue; @@ -676,7 +607,7 @@ void NetworkServer(int port, int serveronly) r = read(u->fd, u->readbuf + u->nread, MAX_BUFFER_SIZE - u->nread); if (r <= 0) { - if (verbose) + if (options.verbose) printf("RND_SERVER: EOF from client %d (%s)\n", u->number, u->nick); dropuser(u); interrupt = 1; @@ -688,7 +619,7 @@ void NetworkServer(int port, int serveronly) len = u->readbuf[3]; if (u->readbuf[0] || u->readbuf[1] || u->readbuf[2]) { - if (verbose) + if (options.verbose) printf("RND_SERVER: crap from client %d (%s)\n", u->number, u->nick); write(u->fd, "\033]50;kanji24\007\033#8\033(0", 19); dropuser(u); @@ -697,12 +628,12 @@ void NetworkServer(int port, int serveronly) } memcpy(buf, &u->readbuf[4], len); u->nread -= 4 + len; - copydown(u->readbuf, u->readbuf + 4 + len, u->nread); + memmove(u->readbuf, u->readbuf + 4 + len, u->nread); buf[0] = u->number; if (!u->introduced && buf[1] != OP_NICKNAME) { - if (verbose) + if (options.verbose) printf("RND_SERVER: !(client %d)->introduced && buf[1]==%d (expected OP_NICKNAME)\n", buf[0], buf[1]); dropuser(u); @@ -744,158 +675,15 @@ void NetworkServer(int port, int serveronly) Handle_OP_MOVE_FIGURE(u); break; - case OP_KILL: - for (v=user0; v; v=v->next) - { - if (v->number == buf[2]) - break; - } - if (v) - { - if (v->isbot) - { - if (verbose) - printf("RND_SERVER: client %d (%s) kills bot %d (%s)\n", u->number, u->nick, v->number, v->nick); - - dropuser(v); - interrupt = 1; - break; - } - else - { - if (verbose) - printf("RND_SERVER: client %d (%s) attempting to kill non-bot %d (%s)\n", u->number, u->nick, v->number, v->nick); - } - } - break; - - case OP_MODE: - mode = buf[2]; - if (verbose) - printf("RND_SERVER: client %d (%s) sets mode %d (%s)\n", u->number, u->nick, buf[2], buf[2] == 0 ? "normal" : (buf[2] == 1 ? "fun" : "unknown")); - broadcast(NULL, 3, 0); - break; - - case OP_BOT: - if (!u->isbot) - bots++; - u->isbot = 1; - if (verbose) - printf("RND_SERVER: client %d (%s) declares itself to be a bot\n", u->number, u->nick); - break; - - case OP_LEVEL: - level = buf[2]; - if (verbose) - printf("RND_SERVER: client %d (%s) sets level %d\n", u->number, u->nick, buf[2]); - broadcast(NULL, 3, 0); - break; - - case OP_LOST: - { - struct user *won = NULL; - - if (verbose) - printf("RND_SERVER: client %d (%s) has lost\n", u->number, u->nick); - u->playing = 0; - broadcast(u, 2, 1); - i = 0; - for (v=user0; v; v=v->next) - { - if (v->nextvictim == u) - { - for (w=NEXT(v); w!=v; w=NEXT(w)) - { - if (w->active && w->playing) - { - v->nextvictim = w; - break; - } - } - if (v->nextvictim == u) - v->nextvictim = NULL; - } - } - for (v=user0; v; v=v->next) - { - if (v->playing) - { - i++; - won = v; - } - } - if (i == 1) - { - buf[0] = won->number; - buf[1] = OP_WON; - won->games++; - broadcast(NULL, 2, 0); - } - else if (i == 0) - { - buf[0] = u->number; - buf[1] = OP_WON; - u->games++; - broadcast(NULL, 2, 0); - } - if (i < 2 && clients > 1) - timetoplay = time(NULL) + 4; - } - break; - - case OP_ZERO: - broadcast(NULL, 2, 0); - if (verbose) - printf("RND_SERVER: client %d (%s) resets the game counters\n", u->number, u->nick); - for (v=user0; v; v=v->next) - v->games = 0; - break; - - case OP_CLEAR: - case OP_GROW: - broadcast(u, 2, 1); - break; - case OP_MSG: buf[len] = '\0'; - if (verbose) + if (options.verbose) printf("RND_SERVER: client %d (%s) sends message: %s\n", u->number, u->nick, &buf[2]); broadcast(u, len, 0); break; - - case OP_LINES: - if (len != 3) - { - if (verbose) - printf("RND_SERVER: client %d (%s) sends crap for an OP_LINES\n", u->number, u->nick); - - dropuser(u); - interrupt = 1; - break; - } - if (u->nextvictim) - { - if (verbose) - printf("RND_SERVER: client %d (%s) sends %d %s to client %d (%s)\n", u->number, u->nick, (int)buf[2], buf[2] == 1 ? "line" : "lines", u->nextvictim->number, u->nextvictim->nick); - sendtoone(u->nextvictim, 3); - buf[3] = u->nextvictim->number; - buf[1] = OP_LINESTO; - broadcast(u->nextvictim, 4, 1); - for (v=NEXT(u->nextvictim); v!=u->nextvictim; v=NEXT(v)) - { - if (v->active && v != u && v->playing) - { - u->nextvictim = v; - break; - } - } - } - else if (verbose) - printf("RND_SERVER: client %d (%s) makes %d %s but has no victim\n", u->number, u->nick, (int)buf[2], buf[2] == 1 ? "line" : "lines"); - break; default: - if (verbose) + if (options.verbose) printf("RND_SERVER: opcode %d from client %d (%s) not understood\n", buf[0], u->number, u->nick); } }