99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
/* net.c Copyright 2000 by Michael Temari All Rights Reserved */
|
|
/* 04/05/2000 Michael Temari <Michael@TemWare.Com> */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/wait.h>
|
|
#include <stdio.h>
|
|
#include <ctype.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <signal.h>
|
|
#include <unistd.h>
|
|
#include <time.h>
|
|
#include <net/netlib.h>
|
|
#include <net/hton.h>
|
|
#include <net/gen/in.h>
|
|
#include <net/gen/inet.h>
|
|
#include <net/gen/tcp.h>
|
|
#include <net/gen/tcp_io.h>
|
|
#include <net/gen/socket.h>
|
|
#include <net/gen/netdb.h>
|
|
|
|
#include "net.h"
|
|
|
|
int connect(host, port)
|
|
char *host;
|
|
int port;
|
|
{
|
|
nwio_tcpconf_t tcpconf;
|
|
nwio_tcpcl_t tcpcopt;
|
|
char *tcp_device;
|
|
int netfd;
|
|
ipaddr_t nethost;
|
|
tcpport_t netport;
|
|
struct hostent *hp;
|
|
struct servent *sp;
|
|
char *p;
|
|
int s;
|
|
int tries;
|
|
|
|
if((hp = gethostbyname(host)) == (struct hostent *)NULL) {
|
|
fprintf(stderr, "Unknown host %s!\n", host);
|
|
return(-1);
|
|
} else
|
|
memcpy((char *) &nethost, (char *) hp->h_addr, hp->h_length);
|
|
|
|
netport = htons(port);
|
|
|
|
/* Connect to the host */
|
|
if((tcp_device = getenv("TCP_DEVICE")) == NULL)
|
|
tcp_device = TCP_DEVICE;
|
|
|
|
if((netfd = open(tcp_device, O_RDWR)) < 0) {
|
|
perror("httpget: opening tcp");
|
|
return(-1);
|
|
}
|
|
|
|
tcpconf.nwtc_flags = NWTC_LP_SEL | NWTC_SET_RA | NWTC_SET_RP;
|
|
tcpconf.nwtc_remaddr = nethost;
|
|
tcpconf.nwtc_remport = netport;
|
|
|
|
s = ioctl(netfd, NWIOSTCPCONF, &tcpconf);
|
|
if(s < 0) {
|
|
perror("httpget: NWIOSTCPCONF");
|
|
close(netfd);
|
|
return(-1);
|
|
}
|
|
|
|
s = ioctl(netfd, NWIOGTCPCONF, &tcpconf);
|
|
if(s < 0) {
|
|
perror("httpget: NWIOGTCPCONF");
|
|
close(netfd);
|
|
return(-1);
|
|
}
|
|
|
|
tcpcopt.nwtcl_flags = 0;
|
|
|
|
tries = 0;
|
|
do {
|
|
s = ioctl(netfd, NWIOTCPCONN, &tcpcopt);
|
|
if(s == -1 && errno == EAGAIN) {
|
|
if(tries++ >= 10)
|
|
break;
|
|
sleep(10);
|
|
} else
|
|
break;
|
|
} while(1);
|
|
|
|
if(s < 0) {
|
|
perror("httpget: NWIOTCPCONN");
|
|
close(netfd);
|
|
return(-1);
|
|
}
|
|
|
|
return(netfd);
|
|
}
|