Re: [Lynx-dev] altering connect time-out value

[Thomas Dickey]

On Thu, 29 Jul 2004 address@hidden wrote:

> when it can't connect to a link, Lynx 2.8.6dev.4 times out after  23 sec .
> in  lynx.cfg , there is a section :
>
>   .h2 CONNECT_TIMEOUT
>   # Specifies (in seconds) connect timeout. Default value is rather huge.
>   #CONNECT_TIMEOUT:18000
>   CONNECT_TIMEOUT:300
>
> the final line is my experiment, which makes no difference to behaviour,
> even after a reboot.  how can i make Lynx wait longer when trying a link ?
> i'ld like something like  5 min  (after all, you can use 'z' to disconnect).

I'm not sure.  In HTTCP.c, there's this (which is the implementation of
connect_timeout):

            while (ret <= 0) {
                fd_set writefds;

                /*
                 * Protect against an infinite loop.
                 */
                if ((tries++ / 10) >= connect_timeout) {
                    HTAlert(gettext("Connection failed (too many retries)."));
#ifdef INET6
                    FREE(line);
                    if (res0)
                        freeaddrinfo(res0);
#endif /* INET6 */
                    return HT_NO_DATA;
                }
#ifdef _WINDOWS_NSL
                select_timeout.tv_sec = connect_timeout;
                select_timeout.tv_usec = 0;
#else
                select_timeout.tv_sec = 0;
                select_timeout.tv_usec = 100000;
#endif /* _WINDOWS_NSL */
                FD_ZERO(&writefds);
                FD_SET((unsigned) *s, &writefds);
#ifdef SOCKS

What that says is that there are two cases:

        a) if lynx is compiled for windows (win32) it uses the
           connect_timeout value as documented.
        b) otherwise, it uses a timeout of 100 milliseconds (0.1 seconds),

and in either case, it loops, retrying a maximum of 10 times the value of
connect_timeout (which would cancel the effect of 0.1 seconds).

There are several places where the loop can be exited other than that -
but they're not logged.

-- 
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net