#endif
#include <assert.h>
-#ifdef WINDOWS
-# include <winsock.h>
-#else
+#ifndef WINDOWS
# include <sys/socket.h>
# include <netdb.h>
# include <netinet/in.h>
-#ifndef __BEOS__
-# include <arpa/inet.h>
-#endif
-#endif /* WINDOWS */
+# ifndef __BEOS__
+# include <arpa/inet.h>
+# endif
+#endif /* not WINDOWS */
#include <errno.h>
#ifdef HAVE_STRING_H
static int
connect_with_timeout (int fd, const struct sockaddr *addr, int addrlen,
- int timeout)
+ double timeout)
{
struct cwt_context ctx;
ctx.fd = fd;
if (sock < 0)
goto out;
+ /* For very small rate limits, set the buffer size (and hence,
+ hopefully, the size of the kernel window) to the size of the
+ limit. That way we don't sleep for more than 1s between network
+ reads. */
+ if (opt.limit_rate && opt.limit_rate < 8192)
+ {
+ int bufsize = opt.limit_rate;
+ if (bufsize < 512)
+ bufsize = 512;
+#ifdef SO_RCVBUF
+ setsockopt (sock, SOL_SOCKET, SO_RCVBUF,
+ (char *)&bufsize, sizeof (bufsize));
+#endif
+ /* When we add opt.limit_rate support for writing, as with
+ `--post-file', also set SO_SNDBUF here. */
+ }
+
resolve_bind_address ();
if (bind_address_resolved)
{
wget_sockaddr_set_address (&bsa, ip_default_family, 0, &bind_address);
if (bind (sock, &bsa.sa, sockaddr_len ()))
{
- close (sock);
+ CLOSE (sock);
sock = -1;
goto out;
}
}
/* Connect the socket to the remote host. */
- if (connect_with_timeout (sock, &sa.sa, sockaddr_len (), opt.timeout) < 0)
+ if (connect_with_timeout (sock, &sa.sa, sockaddr_len (),
+ opt.connect_timeout) < 0)
{
- close (sock);
+ CLOSE (sock);
sock = -1;
goto out;
}
if ((msock = socket (family, SOCK_STREAM, 0)) < 0)
return CONSOCKERR;
+
+#ifdef SO_REUSEADDR
if (setsockopt (msock, SOL_SOCKET, SO_REUSEADDR,
(char *)&optval, sizeof (optval)) < 0)
return CONSOCKERR;
+#endif
resolve_bind_address ();
wget_sockaddr_set_address (&srv, ip_default_family, htons (*port),
Returns 1 if FD is available, 0 for timeout and -1 for error. */
int
-select_fd (int fd, int maxtime, int writep)
+select_fd (int fd, double maxtime, int writep)
{
fd_set fds;
fd_set *rd = NULL, *wrt = NULL;
FD_SET (fd, &fds);
*(writep ? &wrt : &rd) = &fds;
- tmout.tv_sec = maxtime;
- tmout.tv_usec = 0;
+ tmout.tv_sec = (long)maxtime;
+ tmout.tv_usec = 1000000L * (maxtime - (long)maxtime);
do
result = select (fd + 1, rd, wrt, NULL, &tmout);
/* Call accept() on MSOCK and store the result to *SOCK. This assumes
that bindport() has been used to initialize MSOCK to a correct
value. It blocks the caller until a connection is established. If
- no connection is established for OPT.TIMEOUT seconds, the function
- exits with an error status. */
+ no connection is established for OPT.CONNECT_TIMEOUT seconds, the
+ function exits with an error status. */
uerr_t
acceptport (int *sock)
{
int addrlen = sockaddr_len ();
#ifdef HAVE_SELECT
- if (select_fd (msock, opt.timeout, 0) <= 0)
+ if (select_fd (msock, opt.connect_timeout, 0) <= 0)
return ACCEPTERR;
#endif
if ((*sock = accept (msock, addr, &addrlen)) < 0)
/* Read at most LEN bytes from FD, storing them to BUF. This is
virtually the same as read(), but takes care of EINTR braindamage
and uses select() to timeout the stale connections (a connection is
- stale if more than OPT.TIMEOUT time is spent in select() or
+ stale if more than OPT.READ_TIMEOUT time is spent in select() or
read()). */
int
int res;
#ifdef HAVE_SELECT
- if (opt.timeout)
- if (select_fd (fd, opt.timeout, 0) <= 0)
+ if (opt.read_timeout)
+ if (select_fd (fd, opt.read_timeout, 0) <= 0)
return -1;
#endif
do
while (len > 0)
{
#ifdef HAVE_SELECT
- if (opt.timeout)
- if (select_fd (fd, opt.timeout, 1) <= 0)
+ if (opt.read_timeout)
+ if (select_fd (fd, opt.read_timeout, 1) <= 0)
return -1;
#endif
do