/* if no timeout is specified then use a 60 second select timeout */
#define SELECT_TIMEOUT 60
+extern int bwlimit;
+
static int io_multiplexing_out;
static int io_multiplexing_in;
static int multiplex_in_fd;
static void check_timeout(void)
{
+ extern int am_server, am_daemon;
time_t t;
if (!io_timeout) return;
t = time(NULL);
if (last_io && io_timeout && (t-last_io) >= io_timeout) {
- rprintf(FERROR,"io timeout after %d second - exiting\n",
- (int)(t-last_io));
+ if (!am_server && !am_daemon) {
+ rprintf(FERROR,"io timeout after %d second - exiting\n",
+ (int)(t-last_io));
+ }
exit_cleanup(RERR_TIMEOUT);
}
}
continue;
}
+ if (n == -1 &&
+ (errno == EWOULDBLOCK || errno == EAGAIN)) {
+ continue;
+ }
+
if (n == 0) {
if (eof_error) {
if (FD_ISSET(fd, &w_fds)) {
int ret, n = len-total;
- if (n > PIPE_BUF) n = PIPE_BUF;
-
- ret = write(fd,buf+total,n?n:1);
+ ret = write(fd,buf+total,n);
if (ret == -1 && errno == EINTR) {
continue;
}
+ if (ret == -1 &&
+ (errno == EWOULDBLOCK || errno == EAGAIN)) {
+ continue;
+ }
+
if (ret <= 0) {
rprintf(FERROR,"erroring writing %d bytes - exiting\n", len);
exit_cleanup(RERR_STREAMIO);
}
+ /* Sleep after writing to limit I/O bandwidth */
+ if (bwlimit)
+ {
+ tv.tv_sec = 0;
+ tv.tv_usec = ret * 1000 / bwlimit;
+ while (tv.tv_usec > 1000000)
+ {
+ tv.tv_sec++;
+ tv.tv_usec -= 1000000;
+ }
+ select(0, NULL, NULL, NULL, &tv);
+ }
+
total += ret;
if (io_timeout)
SIVAL(buffer, 0, ((MPLEX_BASE + (int)code)<<24) + len);
- if (n > (sizeof(buf)-4)) {
- n = sizeof(buf)-4;
+ if (n > (sizeof(buffer)-4)) {
+ n = sizeof(buffer)-4;
}
memcpy(&buffer[4], buf, n);
len -= n;
buf += n;
- writefd_unbuffered(fd, buf, len);
+ if (len) {
+ writefd_unbuffered(fd, buf, len);
+ }
}
if (!io_buffer_count || no_flush) return;
if (io_multiplexing_out) {
- mplex_write(fd, 0, io_buffer, io_buffer_count);
+ mplex_write(fd, FNONE, io_buffer, io_buffer_count);
} else {
writefd_unbuffered(fd, io_buffer, io_buffer_count);
}
{
buffer_f_in = -1;
}
+