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MINOR: cli: emit a warning when _getsocks was used more than once

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The _getsocks CLI command can be used only once, after that the sockets
are not available anymore.

Emit a warning when the command was already used once.
This commit is contained in:
William Lallemand 2022-07-27 11:48:54 +02:00
parent b983145837
commit 519cd2021b
1 changed files with 8 additions and 0 deletions
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8
src/cli.c
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@ -1981,6 +1981,7 @@ static int bind_parse_severity_output(char **args, int cur_arg, struct proxy *px
/* Send all the bound sockets, always returns 1 */
static int _getsocks(char **args, char *payload, struct appctx *appctx, void *private)
{
static int already_sent = 0;
char *cmsgbuf = NULL;
unsigned char *tmpbuf = NULL;
struct cmsghdr *cmsg;
@ -2008,6 +2009,11 @@ static int _getsocks(char **args, char *payload, struct appctx *appctx, void *pr
fd = remote->handle.fd;
if (already_sent) {
ha_warning("_getsocks: attempt to get sockets but they were already sent!\n");
goto out;
}
/* Temporary set the FD in blocking mode, that will make our life easier */
old_fcntl = fcntl(fd, F_GETFL);
if (old_fcntl < 0) {
@ -2144,6 +2150,8 @@ static int _getsocks(char **args, char *payload, struct appctx *appctx, void *pr
}
}
already_sent = 1;
/* flush pending stuff */
if (nb_queued) {
iov.iov_len = curoff;