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MINOR: cli: sort the suggestions by order of relevance

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Now the suggested keywords are sorted with the most relevant ones first
instead of scanning them all in registration order and only dumping the
proposed ones:

- "tra"
   trace <module> [cmd [args...]] : manage live tracing
   operator       : lower the level of the current CLI session to operator
   user           : lower the level of the current CLI session to user
   show trace [<module>] : show live tracing state

- "pool"
   show pools     : report information about the memory pools usage
   add acl        : add acl entry
   del map        : delete map entry
   user           : lower the level of the current CLI session to user
   del acl        : delete acl entry

- "sh ta"
   show stat      : report counters for each proxy and server [desc|json|no-maint|typed|up]*
   show tasks     : show running tasks
   set table [id] : update or create a table entry's data
   show table [id]: report table usage stats or dump this table's contents
   trace <module> [cmd [args...]] : manage live tracing

- "sh state"
   show stat      : report counters for each proxy and server [desc|json|no-maint|typed|up]*
   set table [id] : update or create a table entry's data
   show table [id]: report table usage stats or dump this table's contents
   show servers state [id]: dump volatile server information (for backend <id>)
   show sess [id] : report the list of current sessions or dump this session
This commit is contained in:
Willy Tarreau 2021-03-15 10:35:04 +01:00
parent a9aa628703
commit ec197e83cd
1 changed files with 21 additions and 13 deletions
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32
src/cli.c
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@ -203,7 +203,26 @@ static char *cli_gen_usage_msg(struct appctx *appctx, char * const *args)
} }
} }
if (matches[0].kw) {
/* we have fuzzy matches, let's propose them */
for (idx = 0; idx < CLI_MAX_MATCHES; idx++) {
kw = matches[idx].kw;
if (!kw)
break;
/* stop the dump if some words look very unlikely candidates */
if (matches[idx].dist > 5*matches[0].dist/2)
break;
chunk_appendf(tmp, " %s\n", kw->usage);
}
}
list_for_each_entry(kw_list, &cli_keywords.list, list) { list_for_each_entry(kw_list, &cli_keywords.list, list) {
/* no full dump if we've already found nice candidates */
if (matches[0].kw)
break;
for (kw = &kw_list->kw[0]; kw->str_kw[0]; kw++) { for (kw = &kw_list->kw[0]; kw->str_kw[0]; kw++) {
/* in a worker or normal process, don't display master-only commands /* in a worker or normal process, don't display master-only commands
@ -228,21 +247,10 @@ static char *cli_gen_usage_msg(struct appctx *appctx, char * const *args)
break; break;
} }
if (kw->usage && idx == length) { if (kw->usage && idx == length)
/* if we've filled some fuzzy matches, let's compare them. We'll
* just set the idx to their position if they're found and are no
* further than twice the distance of the best match, otherwise
* idx will be CLI_MAX_MATCHES, indicating "not found".
*/
for (idx = 0; matches[0].kw && idx < CLI_MAX_MATCHES; idx++)
if (kw == matches[idx].kw && matches[idx].dist <= 5*matches[0].dist/2)
break;
if (idx < CLI_MAX_MATCHES)
chunk_appendf(tmp, " %s\n", kw->usage); chunk_appendf(tmp, " %s\n", kw->usage);
} }
} }
}
/* always show the prompt/help/quit commands */ /* always show the prompt/help/quit commands */
chunk_strcat(tmp, chunk_strcat(tmp,