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