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/*
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/>.
*/
#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 <fnmatch.h>
static int cmd_done;
static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t cond_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t conn = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t conn_mutex = PTHREAD_MUTEX_INITIALIZER;
int cli_op_ret = 0;
int connected = 0;
int
cli_cmd_process (struct cli_state *state, int argc, char **argv)
{
int ret = 0;
struct cli_cmd_word *word = NULL;
struct cli_cmd_word *next = NULL;
int i = 0;
word = &state->tree.root;
if (!argc)
return 0;
for (i = 0; i < argc; i++) {
next = cli_cmd_nextword (word, argv[i]);
word = next;
if (!word)
break;
if (word->cbkfn)
break;
}
if (!word) {
cli_out ("unrecognized word: %s (position %d)",
argv[i], i);
return -1;
}
if (!word->cbkfn) {
cli_out ("unrecognized command");
return -1;
}
ret = word->cbkfn (state, word, (const char **)argv, argc);
return ret;
}
int
cli_cmd_input_token_count (const char *text)
{
int count = 0;
const char *trav = NULL;
int is_spc = 1;
for (trav = text; *trav; trav++) {
if (*trav == ' ') {
is_spc = 1;
} else {
if (is_spc) {
count++;
is_spc = 0;
}
}
}
return count;
}
int
cli_cmd_process_line (struct cli_state *state, const char *text)
{
int count = 0;
char **tokens = NULL;
char **tokenp = NULL;
char *token = NULL;
char *copy = NULL;
char *saveptr = NULL;
int i = 0;
int ret = -1;
count = cli_cmd_input_token_count (text);
tokens = calloc (count + 1, sizeof (*tokens));
if (!tokens)
return -1;
copy = strdup (text);
if (!copy)
goto out;
tokenp = tokens;
for (token = strtok_r (copy, " \t\r\n", &saveptr); token;
token = strtok_r (NULL, " \t\r\n", &saveptr)) {
*tokenp = strdup (token);
if (!*tokenp)
goto out;
tokenp++;
i++;
}
ret = cli_cmd_process (state, count, tokens);
out:
if (copy)
free (copy);
if (tokens)
cli_cmd_tokens_destroy (tokens);
return ret;
}
int
cli_cmds_register (struct cli_state *state)
{
int ret = 0;
ret = cli_cmd_volume_register (state);
if (ret)
goto out;
ret = cli_cmd_probe_register (state);
if (ret)
goto out;
ret = cli_cmd_misc_register (state);
if (ret)
goto out;
out:
return ret;
}
int
cli_cmd_cond_init ()
{
pthread_mutex_init (&cond_mutex, NULL);
pthread_cond_init (&cond, NULL);
pthread_mutex_init (&conn_mutex, NULL);
pthread_cond_init (&conn, NULL);
return 0;
}
int
cli_cmd_lock ()
{
pthread_mutex_lock (&cond_mutex);
return 0;
}
int
cli_cmd_unlock ()
{
pthread_mutex_unlock (&cond_mutex);
return 0;
}
int
cli_cmd_await_response ()
{
cmd_done = 0;
while (!cmd_done)
pthread_cond_wait (&cond, &cond_mutex);
cli_cmd_unlock ();
return cli_op_ret;
}
int
cli_cmd_broadcast_response (int32_t status)
{
pthread_mutex_lock (&cond_mutex);
{
cmd_done = 1;
cli_op_ret = status;
pthread_cond_broadcast (&cond);
}
pthread_mutex_unlock (&cond_mutex);
return 0;
}
int32_t
cli_cmd_await_connected ()
{
pthread_mutex_lock (&conn_mutex);
{
while (!connected) {
pthread_cond_wait (&conn, &conn_mutex);
}
}
pthread_mutex_unlock (&conn_mutex);
return 0;
}
int32_t
cli_cmd_broadcast_connected ()
{
pthread_mutex_lock (&conn_mutex);
{
connected = 1;
pthread_cond_broadcast (&conn);
}
pthread_mutex_unlock (&conn_mutex);
return 0;
}
int
cli_cmd_submit (void *req, call_frame_t *frame,
rpc_clnt_prog_t *prog,
int procnum, struct iobref *iobref,
cli_serialize_t sfunc, xlator_t *this,
fop_cbk_fn_t cbkfn)
{
int ret = -1;
cli_cmd_lock ();
ret = cli_submit_request (req, frame, prog,
procnum, NULL, sfunc,
this, cbkfn);
if (!ret)
ret = cli_cmd_await_response ();
else
cli_cmd_unlock ();
gf_log ("cli", GF_LOG_DEBUG, "Returning %d", ret);
return ret;
}
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