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MEDIUM: cli: 'show proc' displays processus

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This patch implements a command which displays the current processes.

It only works in the CLI of the master.
This commit is contained in:
William Lallemand 2018-10-26 14:47:39 +02:00 committed by Willy Tarreau
parent 291810d8f8
commit b9f9e3bc17
1 changed files with 30 additions and 0 deletions
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30
src/cli.c
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@ -1388,6 +1388,35 @@ static int bind_parse_severity_output(char **args, int cur_arg, struct proxy *px
}
}
/* Displays workers and processes */
static int cli_io_handler_show_proc(struct appctx *appctx)
{
struct stream_interface *si = appctx->owner;
struct mworker_proc *child;
if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
return 1;
chunk_reset(&trash);
chunk_printf(&trash, "# <PID> <type> <relative PID>\n");
chunk_appendf(&trash, "%u %s %u\n", getpid(), "master", 0);
list_for_each_entry(child, &proc_list, list) {
chunk_appendf(&trash, "%u %s %u\n", child->pid, "worker", child->relative_pid);
}
if (ci_putchk(si_ic(si), &trash) == -1) {
si_applet_cant_put(si);
return 0;
}
/* dump complete */
return 1;
}
/* Send all the bound sockets, always returns 1 */
static int _getsocks(char **args, char *payload, struct appctx *appctx, void *private)
{
@ -1924,6 +1953,7 @@ static struct cli_kw_list cli_kws = {{ },{
{ { "show", "cli", "sockets", NULL }, "show cli sockets : dump list of cli sockets", cli_parse_default, cli_io_handler_show_cli_sock, NULL },
{ { "show", "fd", NULL }, "show fd [num] : dump list of file descriptors in use", cli_parse_show_fd, cli_io_handler_show_fd, NULL },
{ { "show", "activity", NULL }, "show activity : show per-thread activity stats (for support/developers)", cli_parse_default, cli_io_handler_show_activity, NULL },
{ { "show", "proc", NULL }, "show proc : show processes status", cli_parse_default, cli_io_handler_show_proc, NULL, NULL, ACCESS_MASTER_ONLY},
{ { "_getsocks", NULL }, NULL, _getsocks, NULL },
{{},}
}};