-/*
- * A server for a multi-player version of Tetris
- *
- * Copyright (C) 1996 Roger Espel Llima <roger.espel.llima@pobox.com>
- *
- * 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.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
+// ============================================================================
+// Rocks'n'Diamonds - McDuffin Strikes Back!
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// http://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// netserv.c
+// ============================================================================
+
+#include "libgame/platform.h"
+
+#if defined(NETWORK_AVALIABLE)
+
#include <fcntl.h>
-#include <sys/types.h>
#include <sys/time.h>
#include <signal.h>
-#include <sys/socket.h>
#include <errno.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-
-#include "netserv.h"
-
+#include "main.h"
-extern int verbose;
-
-extern void copydown(char *, char *, int);
-extern void fatal(char *);
-
+#include "libgame/libgame.h"
+#include "netserv.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
+struct NetworkServerPlayerInfo
{
- int fd;
- unsigned char nick[16];
+ TCPsocket fd;
+ char player_name[16];
unsigned char number;
- struct user *next, *nextvictim;
+ struct NetworkServerPlayerInfo *next;
char active;
char introduced;
- unsigned char readbuf[MAX_BUFFER_SIZE];
- int nread;
- unsigned char writbuf[MAX_BUFFER_SIZE];
- int nwrite;
- char playing;
- char isbot;
- int lines;
- unsigned int games;
- unsigned char action;
- int action_received;
+ unsigned char readbuffer[MAX_BUFFER_SIZE];
+ unsigned char writbuffer[MAX_BUFFER_SIZE];
+ int nread, nwrite;
+ byte action;
+ boolean action_received;
};
-static struct user *user0 = NULL;
+static struct NetworkServerPlayerInfo *first_player = NULL;
-#define NEXT(u) ((u)->next ? (u)->next : user0)
+#define NEXT(player) ((player)->next ? (player)->next : first_player)
-static struct sockaddr_in saddr;
-static int lfd;
-static unsigned char realbuf[512], *buf = realbuf + 4;
+/* TODO: peer address */
+static TCPsocket lfd; /* listening socket */
+static SDLNet_SocketSet fds; /* socket set */
-static int interrupt;
-static int tcp = -1;
+static unsigned char realbuffer[512], *buffer = realbuffer + 4;
-static unsigned long frame_counter = 0;
+static int interrupt;
-static fd_set fds;
+static unsigned int ServerFrameCounter = 0;
-void syserr(char *s)
+static void addtobuffer(struct NetworkServerPlayerInfo *player,
+ unsigned char *b, int len)
{
- if (!is_daemon)
- fprintf(stderr, "fatal: %s failed.\n", s);
- exit(1);
-}
+ if (player->nwrite + len >= MAX_BUFFER_SIZE)
+ Error(ERR_EXIT_NETWORK_SERVER,
+ "internal error: network send buffer overflow");
-void addtobuffer(struct user *u, unsigned char *b, int len)
-{
- if (u->nwrite + len >= MAX_BUFFER_SIZE)
- fatal("Internal error: send buffer overflow");
- memcpy(u->writbuf + u->nwrite, b, len);
- u->nwrite += len;
+ memcpy(player->writbuffer + player->nwrite, b, len);
+ player->nwrite += len;
}
-void flushuser(struct user *u)
+static void flushuser(struct NetworkServerPlayerInfo *player)
{
- if (u->nwrite)
+ if (player->nwrite)
{
- write(u->fd, u->writbuf, u->nwrite);
- u->nwrite = 0;
+ SDLNet_TCP_Send(player->fd, player->writbuffer, player->nwrite);
+
+ player->nwrite = 0;
}
}
-void broadcast(struct user *except, int len, int activeonly)
+static void broadcast(struct NetworkServerPlayerInfo *except,
+ int len, int activeonly)
{
- struct user *u;
-
- realbuf[0] = realbuf[1] = realbuf[2] = 0;
- realbuf[3] = (unsigned char)len;
- for (u=user0; u; u=u->next)
- if (u != except && (u->active || !activeonly) && u->introduced)
- addtobuffer(u, realbuf, 4 + len);
+ struct NetworkServerPlayerInfo *player;
+
+ realbuffer[0] = realbuffer[1] = realbuffer[2] = 0;
+ realbuffer[3] = (unsigned char)len;
+ for (player = first_player; player; player = player->next)
+ if (player != except && player->introduced &&
+ (player->active || !activeonly))
+ addtobuffer(player, realbuffer, 4 + len);
}
-void sendtoone(struct user *to, int len)
+static void sendtoone(struct NetworkServerPlayerInfo *to, int len)
{
- realbuf[0] = realbuf[1] = realbuf[2] = 0;
- realbuf[3] = (unsigned char)len;
- addtobuffer(to, realbuf, 4 + len);
+ realbuffer[0] = realbuffer[1] = realbuffer[2] = 0;
+ realbuffer[3] = (unsigned char)len;
+ addtobuffer(to, realbuffer, 4 + len);
}
-void dropuser(struct user *u)
+static void RemovePlayer(struct NetworkServerPlayerInfo *player)
{
- struct user *v, *w;
+ struct NetworkServerPlayerInfo *v;
- if (verbose)
- printf("RND_SERVER: dropping client %d (%s)\n", u->number, u->nick);
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "dropping client %d (%s)",
+ player->number, player->player_name);
- if (u == user0)
- user0 = u->next;
+ if (player == first_player)
+ first_player = player->next;
else
{
- for (v=user0; v; v=v->next)
+ for (v = first_player; v; v = v->next)
{
- if (v->next && v->next == u)
+ if (v->next && v->next == player)
{
- v->next = u->next;
+ v->next = player->next;
break;
}
}
}
- close(u->fd);
- if (u->introduced)
+ SDLNet_TCP_DelSocket(fds, player->fd);
+ SDLNet_TCP_Close(player->fd);
+
+ if (player->introduced)
{
- buf[0] = u->number;
- buf[1] = OP_PLAYER_DISCONNECTED;
- broadcast(u, 2, 0);
+ buffer[0] = player->number;
+ buffer[1] = OP_PLAYER_DISCONNECTED;
+ broadcast(player, 2, 0);
}
- for (v=user0; v; v=v->next)
+ free(player);
+ clients--;
+
+ if (onceonly && clients == 0)
{
- if (v->nextvictim == u)
+ if (options.verbose)
{
- for (w=NEXT(v); w!=v; w=NEXT(w))
+ Error(ERR_NETWORK_SERVER, "no clients left");
+ Error(ERR_NETWORK_SERVER, "aborting");
+ }
+ exit(0);
+ }
+}
+
+static void AddPlayer(TCPsocket fd)
+{
+ struct NetworkServerPlayerInfo *player, *v;
+ unsigned char nxn;
+ boolean again = TRUE;
+
+ player = checked_malloc(sizeof (struct NetworkServerPlayerInfo));
+
+ player->fd = fd;
+ player->player_name[0] = 0;
+ player->next = first_player;
+ player->active = 0;
+ player->nread = 0;
+ player->nwrite = 0;
+ player->introduced = 0;
+ player->action = 0;
+ player->action_received = FALSE;
+
+ SDLNet_TCP_AddSocket(fds, fd);
+
+ first_player = player;
+
+ nxn = 1;
+
+ while (again)
+ {
+ again = FALSE;
+ v = player->next;
+
+ while (v)
+ {
+ if (v->number == nxn)
{
- if (w->active && w->playing)
- {
- v->nextvictim = w;
- break;
- }
+ nxn++;
+
+ again = TRUE;
+ break;
}
- if (v->nextvictim == u)
- v->nextvictim = NULL;
+ v = v->next;
}
}
- if (u->isbot)
- bots--;
+ player->number = nxn;
+ clients++;
- free(u);
- clients--;
+ buffer[0] = 0;
+ buffer[1] = OP_YOUR_NUMBER;
+ buffer[2] = player->number;
+ sendtoone(player, 3);
+}
+
+static void Handle_OP_PROTOCOL_VERSION(struct NetworkServerPlayerInfo *player,
+ unsigned int len)
+{
+ if (len != 5 ||
+ buffer[2] != PROTOCOL_VERSION_1 ||
+ buffer[3] != PROTOCOL_VERSION_2)
+ {
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER,
+ "client %d (%s) has wrong protocol version %d.%d.%d",
+ player->number, player->player_name, buffer[2], buffer[3], buffer[4]);
+
+ buffer[0] = 0;
+ buffer[1] = OP_BAD_PROTOCOL_VERSION;
+ buffer[2] = PROTOCOL_VERSION_1;
+ buffer[3] = PROTOCOL_VERSION_2;
+ buffer[4] = PROTOCOL_VERSION_3;
+ sendtoone(player, 5);
+ flushuser(player);
+
+ RemovePlayer(player);
+ interrupt = 1;
+ }
+ else
+ {
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER,
+ "client %d (%s) uses protocol version %d.%d.%d",
+ player->number, player->player_name, buffer[2], buffer[3], buffer[4]);
+ }
+}
- if (onceonly && clients == bots)
+static void Handle_OP_NUMBER_WANTED(struct NetworkServerPlayerInfo *player)
+{
+ struct NetworkServerPlayerInfo *v;
+ int client_nr = player->number;
+ int nr_wanted = buffer[2];
+ int nr_is_free = 1;
+
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "client %d (%s) wants to switch to # %d",
+ player->number, player->player_name, nr_wanted);
+
+ for (v = first_player; v; v = v->next)
{
- if (verbose)
+ if (v->number == nr_wanted)
{
- printf("RND_SERVER: no clients left\n");
- printf("RND_SERVER: aborting\n");
+ nr_is_free = 0;
+ break;
}
- exit(0);
}
- if (clients == 0)
+ if (options.verbose)
{
- mode = -1;
- level = 5;
- timetoplay = 0;
+ if (nr_is_free)
+ Error(ERR_NETWORK_SERVER, "client %d (%s) switches to # %d",
+ player->number, player->player_name, nr_wanted);
+ else if (player->number == nr_wanted)
+ Error(ERR_NETWORK_SERVER, "client %d (%s) already has # %d",
+ player->number, player->player_name, nr_wanted);
+ else
+ Error(ERR_NETWORK_SERVER,
+ "client %d (%s) cannot switch (client %d already exists)",
+ player->number, player->player_name, nr_wanted);
}
+
+ if (nr_is_free)
+ player->number = nr_wanted;
+
+ buffer[0] = client_nr;
+ buffer[1] = OP_NUMBER_WANTED;
+ buffer[2] = nr_wanted;
+ buffer[3] = player->number;
+
+ /*
+ sendtoone(player, 4);
+ */
+
+ broadcast(NULL, 4, 0);
}
-void do_play()
+static void Handle_OP_PLAYER_NAME(struct NetworkServerPlayerInfo *player,
+ unsigned int len)
{
- struct user *v, *w;
+ struct NetworkServerPlayerInfo *v;
+ int i;
+
+ if (len>16)
+ len=16;
+ memcpy(player->player_name, &buffer[2], len-2);
+ player->player_name[len-2] = 0;
+ for (i = 0; i < len - 2; i++)
+ {
+ if (player->player_name[i] < ' ' ||
+ ((unsigned char)(player->player_name[i]) > 0x7e &&
+ (unsigned char)(player->player_name[i]) <= 0xa0))
+ {
+ player->player_name[i] = 0;
+ break;
+ }
+ }
- for (w=user0; w; w=w->next)
+ if (!player->introduced)
{
- if (w->introduced)
+ buffer[0] = player->number;
+ buffer[1] = OP_PLAYER_CONNECTED;
+ broadcast(player, 2, 0);
+ }
+
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "client %d calls itself \"%s\"",
+ player->number, player->player_name);
+ buffer[1] = OP_PLAYER_NAME;
+ broadcast(player, len, 0);
+
+ if (!player->introduced)
+ {
+ for (v = first_player; v; v = v->next)
{
- w->active = 1;
- w->playing = 1;
- w->lines = 0;
- w->nextvictim = NULL;
- for (v=NEXT(w); v!=w; v=NEXT(v))
+ if (v != player && v->introduced)
{
- if (v->introduced)
- {
- w->nextvictim = v;
- break;
- }
+ buffer[0] = v->number;
+ buffer[1] = OP_PLAYER_CONNECTED;
+ sendtoone(player, 2);
+ buffer[1] = OP_PLAYER_NAME;
+ memcpy(&buffer[2], v->player_name, 14);
+ sendtoone(player, 2+strlen(v->player_name));
}
}
}
- /*
- if (paused)
- {
- paused = 0;
- buf[1] = OP_CONT;
- broadcast(NULL, 2, 0);
- }
- buf[1] = OP_START_PLAYING;
- broadcast(NULL, 2, 0);
- */
+ player->introduced = 1;
+}
+
+static void Handle_OP_START_PLAYING(struct NetworkServerPlayerInfo *player)
+{
+ struct NetworkServerPlayerInfo *v, *w;
+
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER,
+ "client %d (%s) starts game [level %d from leveldir %d (%s)]",
+ player->number, player->player_name,
+ (buffer[2] << 8) + buffer[3],
+ (buffer[4] << 8) + buffer[5],
+ &buffer[10]);
+
+ for (w = first_player; w; w = w->next)
+ if (w->introduced)
+ w->active = 1;
/* reset frame counter */
- frame_counter = 0;
+ ServerFrameCounter = 0;
+
+ Error(ERR_NETWORK_SERVER, "resetting ServerFrameCounter to 0");
/* reset player actions */
- for (v=user0; v; v=v->next)
+ for (v = first_player; v; v = v->next)
{
v->action = 0;
- v->action_received = 0;
+ v->action_received = FALSE;
}
- broadcast(NULL, 10 + strlen(&buf[10])+1, 0);
+ broadcast(NULL, 10 + strlen((char *)&buffer[10])+1, 0);
+}
+static void Handle_OP_PAUSE_PLAYING(struct NetworkServerPlayerInfo *player)
+{
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "client %d (%s) pauses game",
+ player->number, player->player_name);
+ broadcast(NULL, 2, 0);
}
-void new_connect(int fd)
+static void Handle_OP_CONTINUE_PLAYING(struct NetworkServerPlayerInfo *player)
{
- struct user *u, *v;
- unsigned char nxn;
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "client %d (%s) continues game",
+ player->number, player->player_name);
+ broadcast(NULL, 2, 0);
+}
- u = malloc(sizeof (struct user));
- if (!u)
- fatal("Out of memory");
- u->fd = fd;
- u->nick[0] = 0;
- u->next = user0;
- u->nextvictim = NULL;
- u->active = 0;
- u->nread = 0;
- u->nwrite = 0;
- u->playing = 0;
- u->isbot = 0;
- u->introduced = 0;
- u->games = 0;
- u->action = 0;
- u->action_received = 0;
-
- user0 = u;
+static void Handle_OP_STOP_PLAYING(struct NetworkServerPlayerInfo *player)
+{
+ int cause_for_stopping = buffer[2];
- nxn = 1;
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "client %d (%s) stops game [%d]",
+ player->number, player->player_name, cause_for_stopping);
+ broadcast(NULL, 3, 0);
+}
+
+static void Handle_OP_MOVE_PLAYER(struct NetworkServerPlayerInfo *player)
+{
+ struct NetworkServerPlayerInfo *v;
+ int last_client_nr = 0;
+ int i;
-again:
- v = u->next;
- while(v)
+ /* store player action */
+ for (v = first_player; v; v = v->next)
{
- if (v->number == nxn)
+ if (v->number == player->number)
{
- nxn++;
- goto again;
+ v->action = buffer[2];
+ v->action_received = TRUE;
}
- v = v->next;
}
- u->number = nxn;
- if (verbose)
- printf("RND_SERVER: client %d connecting from %s\n", nxn, inet_ntoa(saddr.sin_addr));
- clients++;
+ /* check if server received action from each player */
+ for (v = first_player; v; v = v->next)
+ {
+ if (!v->action_received)
+ return;
+
+ if (v->number > last_client_nr)
+ last_client_nr = v->number;
+ }
- buf[0] = 0;
- buf[1] = OP_YOUR_NUMBER;
- buf[2] = u->number;
- sendtoone(u, 3);
+ /* initialize all player actions to zero */
+ for (i = 0; i < last_client_nr; i++)
+ buffer[6 + i] = 0;
+
+ /* broadcast actions of all players to all players */
+ for (v = first_player; v; v = v->next)
+ {
+ buffer[6 + v->number-1] = v->action;
+ v->action = 0;
+ v->action_received = FALSE;
+ }
+
+ buffer[2] = (unsigned char)((ServerFrameCounter >> 24) & 0xff);
+ buffer[3] = (unsigned char)((ServerFrameCounter >> 16) & 0xff);
+ buffer[4] = (unsigned char)((ServerFrameCounter >> 8) & 0xff);
+ buffer[5] = (unsigned char)((ServerFrameCounter >> 0) & 0xff);
+
+ broadcast(NULL, 6 + last_client_nr, 0);
+
+ ServerFrameCounter++;
+}
+
+/* the following is not used for a standalone server;
+ the pointer points to an integer containing the port-number */
+int NetworkServerThread(void *ptr)
+{
+ NetworkServer(*((int *) ptr), 0);
+
+ /* should never be reached */
+ return 0;
}
-void NetworkServer(int port, int onceonly)
+void NetworkServer(int port, int serveronly)
{
- int i, sl, on;
- struct user *u, *v, *w;
- int mfd;
+ int sl;
+ struct NetworkServerPlayerInfo *player;
int r;
unsigned int len;
- struct protoent *tcpproto;
- struct timeval tv;
- int is_daemon = 0;
+ IPaddress ip;
-#ifndef NeXT
+#if defined(PLATFORM_UNIX) && !defined(PLATFORM_NEXT)
struct sigaction sact;
#endif
if (port == 0)
- port = DEFAULTPORT;
+ port = DEFAULT_SERVER_PORT;
- if ((tcpproto = getprotobyname("tcp")) != NULL)
- tcp = tcpproto->p_proto;
+ if (!serveronly)
+ onceonly = 1;
-#ifdef NeXT
+#if defined(PLATFORM_UNIX)
+#if defined(PLATFORM_NEXT)
signal(SIGPIPE, SIG_IGN);
#else
sact.sa_handler = SIG_IGN;
sigemptyset(&sact.sa_mask);
sact.sa_flags = 0;
sigaction(SIGPIPE, &sact, NULL);
+#endif
#endif
+ if (SDLNet_ResolveHost(&ip, NULL, port) == -1)
+ Error(ERR_EXIT_NETWORK_SERVER, "SDLNet_ResolveHost() failed");
- lfd = socket(PF_INET, SOCK_STREAM, 0);
- saddr.sin_family = AF_INET;
- saddr.sin_addr.s_addr = htonl(INADDR_ANY);
- saddr.sin_port = htons(port);
-
- if (lfd < 0)
- syserr("socket");
- on = 1;
-
- setsockopt(lfd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(int));
- if (bind(lfd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
- syserr("bind");
-
- listen(lfd, 5);
+ lfd = SDLNet_TCP_Open(&ip);
+ if (!lfd)
+ Error(ERR_EXIT_NETWORK_SERVER, "SDLNet_TCP_Open() failed");
- if (is_daemon)
- {
- /* become a daemon, breaking all ties with the controlling terminal */
- verbose = 0;
- for (i=0; i<255; i++)
- {
- if (i != lfd)
- close(i);
- }
- if (fork())
- exit(0);
- setsid();
- if (fork())
- exit(0);
- chdir("/");
- /* open a fake stdin, stdout, stderr, just in case */
- open("/dev/null", O_RDONLY);
- open("/dev/null", O_WRONLY);
- open("/dev/null", O_WRONLY);
- }
+ fds = SDLNet_AllocSocketSet(MAX_PLAYERS+1);
+ SDLNet_TCP_AddSocket(fds, lfd);
- 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);
+ Error(ERR_NETWORK_SERVER, "started up, listening on port %d", port);
+ Error(ERR_NETWORK_SERVER, "using protocol version %d.%d.%d",
+ PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, PROTOCOL_VERSION_3);
}
- while(1)
+ 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);
+ for (player = first_player; player; player = player->next)
+ flushuser(player);
- FD_ZERO(&fds);
- mfd = lfd;
- u = user0;
- while (u)
+ if ((sl = SDLNet_CheckSockets(fds, 500000)) < 1)
{
- FD_SET(u->fd, &fds);
- if (u->fd > mfd)
- mfd = u->fd;
- u = u->next;
+ Error(ERR_NETWORK_SERVER, "SDLNet_CheckSockets failed: %s",
+ SDLNet_GetError());
+ perror("SDLNet_CheckSockets");
}
- FD_SET(lfd, &fds);
- 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;
- 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;
- if (FD_ISSET(lfd, &fds))
+ /* accept incoming connections */
+ if (SDLNet_SocketReady(lfd))
{
- int newfd, slen;
+ TCPsocket newsock;
- slen = sizeof(saddr);
- newfd = accept(lfd, (struct sockaddr *)&saddr, &slen);
- if (newfd < 0)
- {
- if (errno != EINTR)
- syserr("accept");
- }
- else
- {
- if (tcp != -1)
- {
- on = 1;
- setsockopt(newfd, tcp, TCP_NODELAY, (char *)&on, sizeof(int));
- }
- new_connect(newfd);
- }
- continue;
+ newsock = SDLNet_TCP_Accept(lfd);
+
+ if (newsock)
+ AddPlayer(newsock);
}
- u = user0;
+ player = first_player;
do
{
- if (FD_ISSET(u->fd, &fds))
+ if (SDLNet_SocketReady(player->fd))
{
- r = read(u->fd, u->readbuf + u->nread, MAX_BUFFER_SIZE - u->nread);
+ /* read only 1 byte, because SDLNet blocks when we want more than is
+ in the buffer */
+ r = SDLNet_TCP_Recv(player->fd, player->readbuffer + player->nread, 1);
+
if (r <= 0)
{
- if (verbose)
- printf("RND_SERVER: EOF from client %d (%s)\n", u->number, u->nick);
- dropuser(u);
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "EOF from client %d (%s)",
+ player->number, player->player_name);
+ RemovePlayer(player);
interrupt = 1;
break;
}
- u->nread += r;
- while (u->nread >= 4 && u->nread >= 4 + u->readbuf[3])
+ player->nread += r;
+ while (player->nread >= 4 && player->nread >= 4 + player->readbuffer[3])
{
- len = u->readbuf[3];
- if (u->readbuf[0] || u->readbuf[1] || u->readbuf[2])
+ len = player->readbuffer[3];
+ if (player->readbuffer[0] || player->readbuffer[1] || player->readbuffer[2])
{
- if (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);
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "crap from client %d (%s)",
+ player->number, player->player_name);
+ RemovePlayer(player);
interrupt = 1;
break;
}
- memcpy(buf, &u->readbuf[4], len);
- u->nread -= 4 + len;
- copydown(u->readbuf, u->readbuf + 4 + len, u->nread);
+ memcpy(buffer, &player->readbuffer[4], len);
+ player->nread -= 4 + len;
+ memmove(player->readbuffer, player->readbuffer + 4 + len, player->nread);
- buf[0] = u->number;
- if (!u->introduced && buf[1] != OP_NICKNAME)
+ buffer[0] = player->number;
+ if (!player->introduced && buffer[1] != OP_PLAYER_NAME)
{
- if (verbose)
- printf("RND_SERVER: !(client %d)->introduced && buf[1]==%d (expected OP_NICKNAME)\n", buf[0], buf[1]);
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "!(client %d)->introduced && buffer[1]==%d (expected OP_PLAYER_NAME)", buffer[0], buffer[1]);
- dropuser(u);
+ RemovePlayer(player);
interrupt = 1;
break;
}
- switch(buf[1])
+ switch (buffer[1])
{
- case OP_NICKNAME:
- if (len>16)
- len=16;
- memcpy(u->nick, &buf[2], len-2);
- u->nick[len-2] = 0;
- for (i=0; i<len-2; i++)
- {
- if (u->nick[i] < ' ' ||
- (u->nick[i] > 0x7e && u->nick[i] <= 0xa0))
- {
- u->nick[i] = 0;
- break;
- }
- }
-
- if (!u->introduced)
- {
- buf[0] = u->number;
- buf[1] = OP_PLAYER_CONNECTED;
- broadcast(u, 2, 0);
- }
-
- if (verbose)
- printf("RND_SERVER: client %d calls itself \"%s\"\n", u->number, u->nick);
- buf[1] = OP_NICKNAME;
- broadcast(u, len, 0);
-
- if (!u->introduced)
- {
- for (v=user0; v; v=v->next)
- {
- if (v != u && v->introduced)
- {
- buf[0] = v->number;
- buf[1] = OP_PLAYER_CONNECTED;
- buf[2] = (v->games >> 8);
- buf[3] = (v->games & 0xff);
- sendtoone(u, 4);
- buf[1] = OP_NICKNAME;
- memcpy(&buf[2], v->nick, 14);
- 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;
- 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);
- }
- }
+ case OP_PLAYER_NAME:
+ Handle_OP_PLAYER_NAME(player, len);
break;
- case OP_START_PLAYING:
- if (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;
- do_play();
- break;
-
- case OP_MOVE_FIGURE:
- {
- int actions_complete = 1;
- int last_client_nr = 0;
-
- /* store player action */
- for (v=user0; v; v=v->next)
- {
- if (v->number == u->number)
- {
- v->action = buf[2];
- v->action_received = 1;
- }
- }
-
- /* check if server received action from each player */
- for (v=user0; v; v=v->next)
- {
- if (!v->action_received)
- {
- actions_complete = 0;
- break;
- }
- }
-
- if (!actions_complete)
- break;
-
- /* broadcast actions of all players to all players */
- for (v=user0; v; v=v->next)
- {
- buf[6 + v->number-1] = v->action;
- v->action = 0;
- v->action_received = 0;
-
- if (v->number > last_client_nr)
- last_client_nr = v->number;
- }
-
- buf[2] = (unsigned char)((frame_counter >> 24) & 0xff);
- buf[3] = (unsigned char)((frame_counter >> 16) & 0xff);
- buf[4] = (unsigned char)((frame_counter >> 8) & 0xff);
- buf[5] = (unsigned char)((frame_counter >> 0) & 0xff);
-
- broadcast(NULL, 6 + last_client_nr, 0);
-
- frame_counter++;
-
- /*
- if (verbose)
- printf("RND_SERVER: frame %d: client %d (%s) moves player [0x%02x]\n",
- frame_counter,
- u->number, u->nick, buf[2]);
- */
-
- 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_PAUSE:
- if (verbose)
- printf("RND_SERVER: client %d (%s) pauses game\n", u->number, u->nick);
- broadcast(NULL, 2, 0);
- paused = 1;
- break;
-
- case OP_CONT:
- if (verbose)
- printf("RND_SERVER: client %d (%s) continues game\n", u->number, u->nick);
- broadcast(NULL, 2, 0);
- paused = 0;
+ case OP_PROTOCOL_VERSION:
+ Handle_OP_PROTOCOL_VERSION(player, len);
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);
+ case OP_NUMBER_WANTED:
+ Handle_OP_NUMBER_WANTED(player);
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;
+ case OP_START_PLAYING:
+ Handle_OP_START_PLAYING(player);
break;
- case OP_CLEAR:
- case OP_GROW:
- broadcast(u, 2, 1);
+ case OP_PAUSE_PLAYING:
+ Handle_OP_PAUSE_PLAYING(player);
break;
- case OP_MSG:
- buf[len] = '\0';
- if (verbose)
- printf("RND_SERVER: client %d (%s) sends message: %s\n", u->number, u->nick, &buf[2]);
- broadcast(u, len, 0);
+ case OP_CONTINUE_PLAYING:
+ Handle_OP_CONTINUE_PLAYING(player);
break;
- case OP_NUMBER_WANTED:
- {
- int nr_wanted = buf[2];
- int nr_is_free = 1;
-
- if (verbose)
- printf("RND_SERVER: client %d (%s) wants to switch to # %d\n",
- u->number, u->nick, nr_wanted);
-
- for (v=user0; v; v=v->next)
- {
- if (v->number == nr_wanted)
- {
- nr_is_free = 0;
- break;
- }
- }
-
- if (verbose)
- {
- if (nr_is_free)
- printf("RND_SERVER: client %d (%s) switches to # %d\n",
- u->number, u->nick, nr_wanted);
- else if (u->number == nr_wanted)
- printf("RND_SERVER: client %d (%s) still has # %d\n",
- u->number, u->nick, nr_wanted);
- else
- printf("RND_SERVER: client %d (%s) cannot switch (client %d still exists)\n",
- u->number, u->nick, nr_wanted);
- }
-
- if (nr_is_free)
- u->number = nr_wanted;
-
- buf[0] = 0;
- buf[1] = OP_NUMBER_WANTED;
- buf[2] = nr_wanted;
- buf[3] = u->number;
- sendtoone(u, 4);
+ case OP_STOP_PLAYING:
+ Handle_OP_STOP_PLAYING(player);
break;
- }
- case OP_PROTOCOL_VERSION:
- if (len != 5 || buf[2] != PROT_VERS_1 || buf[3] != PROT_VERS_2)
- {
- if (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;
- sendtoone(u, 5);
- flushuser(u);
-
- dropuser(u);
- interrupt = 1;
- }
- else
- {
- if (verbose)
- printf("RND_SERVER: client %d (%s) uses protocol version %d.%d.%d\n", u->number, u->nick, buf[2], buf[3], buf[4]);
- }
+ case OP_MOVE_PLAYER:
+ Handle_OP_MOVE_PLAYER(player);
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");
+ case OP_BROADCAST_MESSAGE:
+ buffer[len] = '\0';
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER, "client %d (%s) sends message: %s",
+ player->number, player->player_name, &buffer[2]);
+ broadcast(player, len, 0);
break;
default:
- if (verbose)
- printf("RND_SERVER: opcode %d from client %d (%s) not understood\n", buf[0], u->number, u->nick);
+ if (options.verbose)
+ Error(ERR_NETWORK_SERVER,
+ "unknown opcode %d from client %d (%s)",
+ buffer[0], player->number, player->player_name);
}
}
}
- if (u && !interrupt)
- u = u->next;
+ if (player && !interrupt)
+ player = player->next;
}
- while (u && !interrupt);
+ while (player && !interrupt);
}
}
+
+#endif /* NETWORK_AVALIABLE */
projects / rocksndiamonds.git / blobdiff