* Sebastian Hammer, Adam Dickmeiss
*
* $Log: tcpip.c,v $
- * Revision 1.6 1995-09-29 17:12:00 quinn
+ * Revision 1.8 1995-11-01 13:54:27 quinn
+ * Minor adjustments
+ *
+ * Revision 1.7 1995/10/30 12:41:16 quinn
+ * Added hostname lookup for server.
+ *
+ * Revision 1.6 1995/09/29 17:12:00 quinn
* Smallish
*
* Revision 1.5 1995/09/29 17:01:48 quinn
int tcpip_bind(COMSTACK h, void *address, int mode);
int tcpip_listen(COMSTACK h, char *addrp, int *addrlen);
COMSTACK tcpip_accept(COMSTACK h);
+char *tcpip_addrstr(COMSTACK h);
int completeBER(unsigned char *buf, int len);
typedef struct tcpip_state
{
char *altbuf; /* alternate buffer for surplus data */
- int altsize; /* size as malloced */
+ int altsize; /* size as xmalloced */
int altlen; /* length of data or 0 if none */
int written; /* -1 if we aren't writing */
if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0)
#endif
return 0;
- if (!(p = malloc(sizeof(struct comstack))))
+ if (!(p = xmalloc(sizeof(struct comstack))))
return 0;
- if (!(state = p->private = malloc(sizeof(tcpip_state))))
+ if (!(state = p->private = xmalloc(sizeof(tcpip_state))))
return 0;
#ifdef WINDOWS
if (!(p->blocking = blocking) && ioctlsocket(s, FIONBIO, &tru) < 0)
p->f_bind = tcpip_bind;
p->f_listen = tcpip_listen;
p->f_accept = tcpip_accept;
+ p->f_addrstr = tcpip_addrstr;
p->state = CS_UNBND;
p->event = CS_NONE;
h->cerrno = CSOUTSTATE;
return 0;
}
- if (!(new = malloc(sizeof(*new))))
+ if (!(new = xmalloc(sizeof(*new))))
{
h->cerrno = CSYSERR;
return 0;
}
memcpy(new, h, sizeof(*h));
new->iofile = h->newfd;
- if (!(state = new->private = malloc(sizeof(tcpip_state))))
+ if (!(state = new->private = xmalloc(sizeof(tcpip_state))))
{
h->cerrno = CSYSERR;
return 0;
{
if (!*bufsize)
{
- if (!(*buf = malloc(*bufsize = CS_TCPIP_BUFCHUNK)))
+ if (!(*buf = xmalloc(*bufsize = CS_TCPIP_BUFCHUNK)))
return -1;
}
else if (*bufsize - hasread < CS_TCPIP_BUFCHUNK)
- if (!(*buf = realloc(*buf, *bufsize *= 2)))
+ if (!(*buf =xrealloc(*buf, *bufsize *= 2)))
return -1;
if ((res = recv(h->iofile, *buf + hasread, CS_TCPIP_BUFCHUNK, 0)) < 0)
#ifdef WINDOWS
req += CS_TCPIP_BUFCHUNK - rest;
if (!sp->altbuf)
{
- if (!(sp->altbuf = malloc(sp->altsize = req)))
+ if (!(sp->altbuf = xmalloc(sp->altsize = req)))
return -1;
} else if (sp->altsize < req)
- if (!(sp->altbuf = realloc(sp->altbuf, sp->altsize = req)))
+ if (!(sp->altbuf =xrealloc(sp->altbuf, sp->altsize = req)))
return -1;
TRC(fprintf(stderr, " Moving %d bytes to altbuf(0x%x)\n", tomove,
(unsigned) sp->altbuf));
TRC(fprintf(stderr, "tcpip_close\n"));
close(h->iofile);
if (sp->altbuf)
- free(sp->altbuf);
- free(sp);
- free(h);
+ xfree(sp->altbuf);
+ xfree(sp);
+ xfree(h);
return 0;
}
+
+char *tcpip_addrstr(COMSTACK h)
+{
+ struct sockaddr_in addr;
+ static char buf[64];
+ char *r;
+ int len;
+ struct hostent *host;
+
+ len = sizeof(addr);
+ if (getpeername(h->iofile, (struct sockaddr*) &addr, &len) < 0)
+ {
+ h->cerrno = CSYSERR;
+ return 0;
+ }
+ if ((host = gethostbyaddr((char*)&addr.sin_addr, sizeof(addr.sin_addr),
+ AF_INET)))
+ r = (char*) host->h_name;
+ else
+ r = inet_ntoa(addr.sin_addr);
+ sprintf(buf, "tcp:%s", r);
+ return buf;
+}