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/*
* ui_command.c
*
* MontaVista IPMI code, a UI command handler
*
* Author: MontaVista Software, Inc.
* Corey Minyard <minyard@mvista.com>
* source@mvista.com
*
* Copyright 2002,2003 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "ui_command.h"
#include <OpenIPMI/internal/ipmi_malloc.h>
static int search_cmd(void *item, void *cb_data)
{
struct cmd_entry *entry = item;
char *val = cb_data;
return (strcmp(entry->name, val) == 0);
}
static struct cmd_entry *
find_cmd(ilist_iter_t *iter, command_t command, char *name)
{
struct cmd_entry *entry;
ilist_init_iter(iter, command->cmds);
ilist_unpositioned(iter);
entry = ilist_search_iter(iter, search_cmd, name);
return entry;
}
int
command_handle(command_t command, char *line, void *cb_data)
{
ilist_iter_t iter;
struct cmd_entry *entry;
char *name;
char *tok;
name = strtok_r(line, " \t\n", &tok);
if (!name)
return 0;
entry = find_cmd(&iter, command, name);
if (!entry)
return ENOENT;
return entry->handler(name, &tok, cb_data);
}
int
command_bind(command_t command, char *name, cmd_handler_t handler)
{
ilist_iter_t iter;
struct cmd_entry *entry;
if (find_cmd(&iter, command, name))
return EEXIST;
entry = ipmi_mem_alloc(sizeof(*entry));
if (!entry)
return ENOMEM;
entry->name = ipmi_mem_alloc(strlen(name)+1);
if (!entry->name) {
ipmi_mem_free(entry);
return ENOMEM;
}
strcpy(entry->name, name);
entry->handler = handler;
if (!ilist_add_tail(command->cmds, entry, NULL)) {
ipmi_mem_free(entry->name);
ipmi_mem_free(entry);
return ENOMEM;
}
return 0;
}
int
command_unbind(command_t command, char *name)
{
ilist_iter_t iter;
struct cmd_entry *entry;
entry = find_cmd(&iter, command, name);
if (!entry)
return ENOENT;
ilist_delete(&iter);
ipmi_mem_free(entry->name);
ipmi_mem_free(entry);
return 0;
}
command_t
command_alloc(void)
{
command_t command = ipmi_mem_alloc(sizeof(*command));
if (command) {
command->cmds = alloc_ilist();
if (!command->cmds) {
ipmi_mem_free(command);
command = NULL;
}
}
return command;
}
static void
free_cmd_entry(ilist_iter_t *iter, void *item, void *cb_data)
{
struct cmd_entry *entry = item;
ilist_delete(iter);
ipmi_mem_free(entry->name);
ipmi_mem_free(entry);
}
void
command_free(command_t command)
{
ilist_iter(command->cmds, free_cmd_entry, NULL);
free_ilist(command->cmds);
ipmi_mem_free(command);
}
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