1 files changed, 89 insertions, 41 deletions

diff --git a/cli/src/cli-cmd-misc.c b/cli/src/cli-cmd-misc.c
index 9e78ca607e1..e961d88da86 100644
--- a/cli/src/cli-cmd-misc.c
+++ b/cli/src/cli-cmd-misc.c
@@ -1,69 +1,117 @@
 /*
-  Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
-  This file is part of GlusterFS.
-
-  GlusterFS is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published
-  by the Free Software Foundation; either version 3 of the License,
-  or (at your option) any later version.
-
-  GlusterFS is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see
-  <http://www.gnu.org/licenses/>.
-*/
+   Copyright (c) 2010-2012 Red Hat, Inc. <http://www.redhat.com>
+   This file is part of GlusterFS.
 
+   This file is licensed to you under your choice of the GNU Lesser
+   General Public License, version 3 or any later version (LGPLv3 or
+   later), or the GNU General Public License, version 2 (GPLv2), in all
+   cases as published by the Free Software Foundation.
+*/
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <pthread.h>
 
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
 #include "cli.h"
 #include "cli-cmd.h"
 #include "cli-mem-types.h"
 #include "protocol-common.h"
 
-extern struct rpc_clnt *global_rpc;
+extern struct cli_cmd volume_cmds[];
+extern struct cli_cmd bitrot_cmds[];
+extern struct cli_cmd quota_cmds[];
+extern struct cli_cmd cli_probe_cmds[];
+extern struct cli_cmd cli_log_cmds[];
+extern struct cli_cmd cli_system_cmds[];
+extern struct cli_cmd cli_bd_cmds[];
+extern struct cli_cmd snapshot_cmds[];
+extern struct cli_cmd global_cmds[];
+struct cli_cmd cli_misc_cmds[];
 
-extern rpc_clnt_prog_t *cli_rpc_prog;
+int
+cli_cmd_quit_cbk(struct cli_state *state, struct cli_cmd_word *word,
+                 const char **words, int wordcount)
+{
+    exit(0);
+}
+
+static gf_boolean_t
+cli_is_help_command(const char *pattern)
+{
+    /* FixFixFix
+     * This is not the best way to determine whether
+     * this is a help command
+     */
+    if (strstr(pattern, "help"))
+        return _gf_true;
+
+    return _gf_false;
+}
 
 int
-cli_cmd_quit_cbk (struct cli_state *state, struct cli_cmd_word *word,
-                   const char **words, int wordcount)
+cli_cmd_display_help(struct cli_state *state, struct cli_cmd_word *in_word,
+                     const char **words, int wordcount)
 {
-        exit (0);
+    static struct cli_cmd *cmd[] = {
+        cli_misc_cmds, cli_probe_cmds, volume_cmds, bitrot_cmds,
+        quota_cmds,    snapshot_cmds,  global_cmds, NULL};
+    struct cli_cmd *cmd_ind = NULL;
+    int i = 0;
+    gf_boolean_t list_all = _gf_false;
+
+    /* cli_system_cmds commands for internal usage
+      they are not exposed
+    */
+
+    /* If "help all" */
+    if (wordcount == 2)
+        list_all = _gf_true;
+
+    for (i = 0; cmd[i] != NULL; i++) {
+        for (cmd_ind = cmd[i]; cmd_ind->pattern; cmd_ind++) {
+            if ((_gf_false == cmd_ind->disable) &&
+                cli_is_help_command(cmd_ind->pattern)) {
+                if (list_all && (cmd_ind->cbk)) {
+                    cmd_ind->cbk(state, in_word, words, wordcount);
+                } else {
+                    cli_out(" %-25s- %s", cmd_ind->pattern, cmd_ind->desc);
+                }
+            }
+        }
+    }
+
+    cli_out("\n");
+    return 0;
 }
 
-struct cli_cmd cli_misc_cmds[] = {
-        { "quit",
-          cli_cmd_quit_cbk },
+struct cli_cmd cli_help_cmds[] = {
+    {"help [all]", cli_cmd_display_help, "display help for command classes"},
 
+    {NULL, NULL, NULL}};
 
-        { NULL, NULL }
-};
+struct cli_cmd cli_misc_cmds[] = {{"quit", cli_cmd_quit_cbk, "quit"},
+                                  {"exit", cli_cmd_quit_cbk, "exit"},
 
+                                  {NULL, NULL, NULL}};
 
 int
-cli_cmd_misc_register (struct cli_state *state)
+cli_cmd_misc_register(struct cli_state *state)
 {
-        int  ret = 0;
-        struct cli_cmd *cmd = NULL;
+    int ret = 0;
+    struct cli_cmd *cmd = NULL;
 
-        for (cmd = cli_misc_cmds; cmd->pattern; cmd++) {
-                ret = cli_cmd_register (&state->tree, cmd->pattern, cmd->cbk);
-                if (ret)
-                        goto out;
-        }
+    for (cmd = cli_misc_cmds; cmd->pattern; cmd++) {
+        ret = cli_cmd_register(&state->tree, cmd);
+        if (ret)
+            goto out;
+    }
+
+    for (cmd = cli_help_cmds; cmd->pattern; cmd++) {
+        ret = cli_cmd_register(&state->tree, cmd);
+        if (ret)
+            goto out;
+    }
 out:
-        return ret;
+    return ret;
 }