int
SSendtoByName(int sfd, const char *const buf, size_t size, int fl, const char *const toAddrStr, int tlen)
{
int nwrote, tleft, result;
vsio_sigproc_t sigalrm, sigpipe;
time_t done, now;
struct sockaddr_in toAddr;
if ((result = AddrStrToAddr(toAddrStr, &toAddr, -1)) < 0) {
return (result);
}
if (SSetjmp(gNetTimeoutJmp) != 0) {
alarm(0);
(void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
errno = ETIMEDOUT;
return (kTimeoutErr);
}
if (SSetjmp(gPipeJmp) != 0) {
alarm(0);
(void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
errno = EPIPE;
return (kBrokenPipeErr);
}
sigalrm = (vsio_sigproc_t) SSignal(SIGALRM, SIOHandler);
sigpipe = (vsio_sigproc_t) SSignal(SIGPIPE, SIOHandler);
time(&now);
done = now + tlen;
tleft = (int) (done - now);
forever {
(void) alarm((unsigned int) tleft);
nwrote = sendto(sfd, buf, size, fl,
(struct sockaddr *) &toAddr,
(int) sizeof(struct sockaddr_in));
(void) alarm(0);
if (nwrote >= 0)
break;
if (errno != EINTR)
break; /* Fatal error. */
errno = 0;
time(&now);
tleft = (int) (done - now);
if (tleft < 1) {
nwrote = kTimeoutErr;
errno = ETIMEDOUT;
break;
}
}
(void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
return (nwrote);
} /* SSendtoByName */
int
SSendtoByName(int sfd, const char *const buf, size_t size, int fl, const char *const toAddrStr, int tlen)
{
int nwrote, tleft;
time_t done, now;
fd_set ss;
struct timeval tv;
int result;
struct sockaddr_in toAddr;
if ((result = AddrStrToAddr(toAddrStr, &toAddr, -1)) < 0) {
return (result);
}
time(&now);
done = now + tlen;
nwrote = 0;
forever {
forever {
if (now >= done) {
errno = ETIMEDOUT;
return (kTimeoutErr);
}
tleft = (int) (done - now);
errno = 0;
FD_ZERO(&ss);
FD_SET(sfd, &ss);
tv.tv_sec = tleft;
tv.tv_usec = 0;
result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 &ss, NULL, SELECT_TYPE_ARG5 &tv);
if (result == 1) {
/* ready */
break;
} else if (result == 0) {
/* timeout */
errno = ETIMEDOUT;
return (kTimeoutErr);
} else if (errno != EINTR) {
return (-1);
}
time(&now);
}
nwrote = sendto(sfd, buf, size, fl,
(struct sockaddr *) &toAddr,
(int) sizeof(struct sockaddr_in));
if (nwrote >= 0)
break;
if (errno != EINTR)
break; /* Fatal error. */
}
return (nwrote);
} /* SSendto */
char *
AddrStrToIPStr(char *const dst, size_t dsize, const char *const src, const int defaultport)
{
int rc;
struct sockaddr_in sa;
if (dsize == 0)
return NULL;
memset(dst, 0, dsize);
rc = AddrStrToAddr(src, &sa, (defaultport <= 0) ? 21 : defaultport);
if (rc < 0)
return (NULL);
AddrToAddrStr(dst, dsize, &sa, 0, (defaultport <= 0) ? "%h" : "%h:%p");
return (dst);
} /* AddrStrToIPStr */
int
SendtoByName(int sfd, const char *const buf, size_t size, const char *const toAddrStr)
{
int result;
struct sockaddr_in toAddr;
if ((result = AddrStrToAddr(toAddrStr, &toAddr, -1)) < 0) {
return (result);
}
do {
result = sendto(sfd, buf, size, 0,
(struct sockaddr *) &toAddr,
(int) sizeof(struct sockaddr_in));
} while ((result < 0) && (errno == EINTR));
return (result);
} /* SendtoByName */
