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MINOR: cli/quic: Add a "help" keyword to show quic

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Add a help keyword to show quic, that will provide a longer explanation
of all the available options than what is provided by the command "help".
This commit is contained in:
Olivier Houchard 2024-11-25 18:35:51 +01:00 committed by Willy Tarreau
parent 5288d0f47b
commit 4f973ab23a
1 changed files with 18 additions and 3 deletions
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21
src/quic_cli.c
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@ -75,6 +75,21 @@ static int cli_parse_show_quic(char **args, char *payload, struct appctx *appctx
ctx->fields = QUIC_DUMP_FLD_MASK;
++argc;
}
else if (strcmp(args[argc], "help") == 0) {
chunk_printf(&trash,
"Usage: show quic [help|<format>] [<filter>]\n"
"Dumps information about QUIC connections. Available output formats:\n"
" oneline dump a single, netstat-like line per connection (default)\n"
" full dump all known information about each connection\n"
" <levels>* only dump certain information, defined by a comma-delimited list\n"
" of levels among 'tp', 'sock', 'pktns', 'cc', or 'mux'\n"
" help display this help\n"
"Available output filters:\n"
" all dump all connections (the default)\n"
" <id> dump only the connection matching this identifier (0x...)\n"
"Without any argument, all connections are dumped using the oneline format.\n");
return cli_err(appctx, trash.area);
}
else if (*args[argc]) {
struct ist istarg = ist(args[argc]);
struct ist field = istsplit(&istarg, ',');
@ -101,7 +116,7 @@ static int cli_parse_show_quic(char **args, char *payload, struct appctx *appctx
* field name has been specified.
*/
if (istarg.len || ctx->fields) {
cli_err(appctx, "Invalid field.\n");
cli_err(appctx, "Invalid field, use 'help' for more options.\n");
return 1;
}
@ -140,7 +155,7 @@ static int cli_parse_show_quic(char **args, char *payload, struct appctx *appctx
ctx->flags |= QC_CLI_FL_SHOW_ALL;
}
else {
cli_err(appctx, "Invalid argument.\n");
cli_err(appctx, "Invalid argument, use 'help' for more options.\n");
return 1;
}
@ -489,7 +504,7 @@ static void cli_release_show_quic(struct appctx *appctx)
}
static struct cli_kw_list cli_kws = {{ }, {
{ { "show", "quic", NULL }, "show quic [<format>] [<filter>] : display quic connections status", cli_parse_show_quic, cli_io_handler_dump_quic, cli_release_show_quic },
{ { "show", "quic", NULL }, "show quic [help|<format>] [<filter>] : display quic connections status", cli_parse_show_quic, cli_io_handler_dump_quic, cli_release_show_quic },
{{},}
}};