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/* This is a demonstration on how to write robots.
* This is the basecode.
* Write your own: own_action()/init_robot() - functions (see dummy.c)
* and compile the whole stuff with robot.o,allmove.o,network.o!
*/
#include "netmaze.h"
#include <sys/types.h>
#ifdef RS6000
#include <sys/select.h>
#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <signal.h>
#include <stdio.h>
#include <netdb.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <memory.h>
#include "network.h"
#include "trigtab.h"
#define TRUE 1
#define FALSE 0
struct shared_struct shstr;
struct shared_struct *sm = &shstr;
void io_handler(int a);
/* extern: allmove.c */
extern void move_all(PLAYER*,int*);
extern void run_game(MAZE*,PLAYER*);
extern void myrandominit(int);
/* extern: user-defined-functions */
extern int own_action(void);
extern void start_robot(int);
extern int init_robot(void);
/* extern: network.c */
extern struct robot_functions robot;
extern void handle_socket(void);
extern void ident_player(void);
#ifdef HAVE_FDSET
fd_set readmask;
#else
struct fd_mask readmask;
#endif
static struct hostent *hp; /* pointer to host info for remote host */
static struct sockaddr_in remoteaddr; /* server connect */
int own_socket; /* streams socket descriptor */
int main(int argc,char **argv)
{
int ret;
char hostname[256];
#ifdef USE_SIGVEC
struct sigvec vec;
#else
struct sigaction vec;
#endif
if(argc != 2)
{
fprintf(stderr,"%s: usage: %s <serverhostname>\n",argv[0],argv[0]);
exit(1);
}
strcpy(hostname,argv[1]);
if(!init_robot())
{
fprintf(stderr,"%s: Can't initialize the robot.\n",argv[0]);
exit(1);
}
robot.valid = TRUE;
robot.action = own_action;
robot.start = start_robot;
#ifdef USE_SIGVEC
vec.sv_handler = (void (*)(int)) io_handler;
vec.sv_mask = 0;
vec.sv_flags = 0;
if ( sigvector(SIGIO, &vec, (struct sigvec *) 0) == -1)
perror(" sigaction(SIGIO)");
#else
vec.sa_handler = (void (*)(int)) io_handler;
#ifdef RS6000 /* ibm rs/6000 */
sigemptyset(&vec.sa_mask);
#else
vec.sa_mask = 0;
#endif
vec.sa_flags = 0;
if ( sigaction(SIGIO, &vec, (struct sigaction *) 0) == -1)
perror(" sigaction(SIGIO)");
#endif
remoteaddr.sin_family = AF_INET;
sm->sologame = FALSE;
if ((hp = gethostbyname(hostname) ) == NULL)
{
fprintf(stderr, "netmaze: %s not found in /etc/hosts\n",hostname); exit(1);
}
remoteaddr.sin_addr.s_addr = ((struct in_addr *)(hp->h_addr))->s_addr;
if((own_socket = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
fprintf(stderr, "netmaze: unable to create socket\n"); exit(1);
}
remoteaddr.sin_port = htons(NETMAZEPORT);
FD_ZERO(&readmask);
FD_SET(own_socket,&readmask);
if ( (ret=connect(own_socket,(struct sockaddr *) &remoteaddr, sizeof(struct sockaddr))) == -1)
{
perror("connect"); exit(1);
}
ident_player();
printf("Connectet to %s. Connectcode: %d.\n",hostname,ret);
for(;;) io_handler(0);
}
void io_handler(int a)
{
int numfds;
#ifdef HAVE_FDSET
fd_set readmask1;
#else
struct fd_mask readmask1;
#endif
for(;;)
{
readmask1 = readmask;
if((numfds = select(32,&readmask1,NULL,NULL,NULL))< 0)
continue;
if(numfds == 0) break;
if(FD_ISSET(own_socket,&readmask1))
{
handle_socket();
}
}
}
/***********
* dummy audio-functions
*/
void play_sound(int a) { }
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