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#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include "netmaze.h"
#ifdef RS6000
#include <sys/select.h>
#endif
#include <netinet/in.h>
#include <signal.h>
#include <netdb.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#ifdef HAVE_FDSET
fd_set readmask;
fd_set writemask;
#else
struct fd_mask readmask;
struct fd_mask writemask;
#endif
struct timeval notimeout;
static struct hostent *hp; /* pointer to host info for remote host */
static struct sockaddr_in remoteaddr; /* server connect */
static void io_handler(int);
extern void handle_socket(void);
extern void ident_player(void);
extern int init_audio(void);
extern void kick_audio(void);
int own_socket,max_fd=0;
static int audio;
int init_net(char *hostname)
{
int ret;
#ifdef USE_SIGVEC
struct sigvec vec;
#else
struct sigaction vec;
#endif
#ifndef USE_IPC
int flag = 1;
#endif
notimeout.tv_sec = 0;
notimeout.tv_usec = 0;
#ifdef USE_SIGVEC
vec.sv_handler = (void (*)) 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 (*)) 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;
if ((hp = gethostbyname(hostname) ) == NULL)
{
fprintf(stderr, "netmaze: can't resolve hostname: %s.\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_ZERO(&writemask);
FD_SET(own_socket,&readmask);
max_fd = own_socket+1;
#ifdef USE_SOUND
audio = init_audio();
if(audio >= 0)
{
FD_SET(audio,&writemask);
if(audio > max_fd-1)
max_fd = audio+1;
}
#endif
#ifdef USE_IPC
FD_SET(0,&readmask); /* pipe! */
#else
if (ioctl(own_socket, FIOASYNC, &flag) == -1)
{
perror("socket: ioctl(FIOASYNC)"); exit(1);
}
#endif
if ( (ret=connect(own_socket,(struct sockaddr *) &remoteaddr, sizeof(struct sockaddr))) == -1)
{
perror("connect"); exit(1);
}
#ifndef USE_IPC
flag = -getpid();
if (ioctl(own_socket, SIOCSPGRP, &flag) == -1)
{
perror("process group");
}
#endif
printf("Connectet to %s. Connectcode: %d.\n",hostname,ret);
ident_player();
#ifdef USE_IPC
for(;;) io_handler(0);
#else
io_handler(0);
#endif
return 0; /* all is OK */
}
/**********************************************
* io-handler (socket/pipes)
*/
static void io_handler(int a)
{
int numfds;
static char buf[256];
#ifdef HAVE_FDSET
fd_set readmask1;
fd_set writemask1;
#else
struct fd_mask readmask1;
struct fd_mask writemask1;
#endif
for(;;)
{
extern int playit;
readmask1 = readmask;
if(playit)
writemask1 = writemask;
else
FD_ZERO(&writemask1);
#ifdef USE_IPC
if((numfds = select(max_fd,&readmask1,&writemask1,NULL,NULL))< 0)
continue;
#else
if((numfds = select(max_fd,&readmask1,&writemask1,NULL,¬imeout))<0)
{
perror("select failed ");
exit(2);
}
#endif
if(numfds == 0) break;
if(FD_ISSET(own_socket,&readmask1))
handle_socket();
#ifdef USE_IPC
if(FD_ISSET(0,&readmask1))
{
if(read(0,buf,256) == 0) /* sure is sure */
{
fprintf(stderr,"Parent died!\n"); exit(1);
}
}
#endif
if(audio >= 0)
if(FD_ISSET(audio,&writemask1))
kick_audio();
}
}
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