ssize_t gpsd_serial_write(struct gps_device_t * session,
const char *buf, const size_t len)
{
ssize_t status;
int error = 0;
bool ok;
/*
if (session == NULL ||
session->context == NULL || session->context->readonly)
return 0;
*/
status = write(session->gpsdata.gps_fd, buf, len);
ok = (status == (ssize_t) len);
session->gpsdata.bytes_send += status;
if(!ok) error = errno;
(void)tcdrain(session->gpsdata.gps_fd);
/* extra guard prevents expensive hexdump calls */
if (session->context->debug >= LOG_IO) {
char scratchbuf[MAX_PACKET_LENGTH*2+1];
gpsd_report(session->context->debug, LOG_IO,
"=> GPS: %s%s (%d, %d)\n",
gpsd_packetdump(scratchbuf, sizeof(scratchbuf),
(char *)buf, len), ok ? "" : " FAILED", status, error);
}
return status;
}
ssize_t gpsd_write(struct gps_device_t * session, const char *buf, size_t len)
{
ssize_t status;
bool ok;
if (session == NULL ||
session->context == NULL || session->context->readonly)
return 0;
status = write(session->gpsdata.gps_fd, buf, len);
ok = (status == (ssize_t) len);
(void)tcdrain(session->gpsdata.gps_fd);
/* extra guard prevents expensive hexdump calls */
if (session->context->debug >= LOG_IO)
gpsd_report(LOG_IO, "=> GPS: %s%s\n",
gpsd_packetdump((char *)buf, len), ok ? "" : " FAILED");
return status;
}
ssize_t gpsd_serial_write(struct gps_device_t * session,
const char *buf, const size_t len)
{
ssize_t status;
bool ok;
if (session == NULL ||
session->context == NULL || session->context->readonly)
return 0;
status = write(session->gpsdata.gps_fd, buf, len);
ok = (status == (ssize_t) len);
(void)tcdrain(session->gpsdata.gps_fd);
/* extra guard prevents expensive hexdump calls */
if (session->context->errout.debug >= LOG_IO) {
char scratchbuf[MAX_PACKET_LENGTH*2+1];
gpsd_log(&session->context->errout, LOG_IO,
"=> GPS: %s%s\n",
gpsd_packetdump(scratchbuf, sizeof(scratchbuf),
(char *)buf, len), ok ? "" : " FAILED");
}
return status;
}
