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// SPDX-License-Identifier: GPL-3.0-or-later
/*
* Copyright (C) 2015 - 2016 Red Hat, Inc.
*
* Author: Gris Ge <fge@redhat.com>
* Todd Gill <tgill@redhat.com>
*/
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <assert.h>
#include <json.h>
#include "libdmmp/libdmmp.h"
#include "libdmmp_private.h"
#define DMMP_SHOW_PS_INDEX_BLK_NAME 0
#define DMMP_SHOW_PS_INDEX_STATUS 1
#define DMMP_SHOW_PS_INDEX_WWID 2
#define DMMP_SHOW_PS_INDEX_PGID 3
struct dmmp_path {
char *blk_name;
uint32_t status;
};
static const struct _num_str_conv DMMP_PATH_STATUS_CONV[] = {
{DMMP_PATH_STATUS_UNKNOWN, "undef"},
{DMMP_PATH_STATUS_UP, "ready"},
{DMMP_PATH_STATUS_DOWN, "faulty"},
{DMMP_PATH_STATUS_SHAKY, "shaky"},
{DMMP_PATH_STATUS_GHOST, "ghost"},
{DMMP_PATH_STATUS_PENDING, "i/o pending"},
{DMMP_PATH_STATUS_TIMEOUT, "i/o timeout"},
{DMMP_PATH_STATUS_DELAYED, "delayed"},
};
_dmmp_str_func_gen(dmmp_path_status_str, uint32_t, path_status,
DMMP_PATH_STATUS_CONV);
_dmmp_str_conv_func_gen(_dmmp_path_status_str_conv, ctx, path_status_str,
uint32_t, DMMP_PATH_STATUS_UNKNOWN,
DMMP_PATH_STATUS_CONV);
_dmmp_getter_func_gen(dmmp_path_blk_name_get, struct dmmp_path, dmmp_p,
blk_name, const char *);
_dmmp_getter_func_gen(dmmp_path_status_get, struct dmmp_path, dmmp_p,
status, uint32_t);
struct dmmp_path *dmmp_path_new(void)
{
struct dmmp_path *dmmp_p = NULL;
dmmp_p = (struct dmmp_path *) malloc(sizeof(struct dmmp_path));
if (dmmp_p != NULL) {
dmmp_p->blk_name = NULL;
dmmp_p->status = DMMP_PATH_STATUS_UNKNOWN;
}
return dmmp_p;
}
int dmmp_path_update(struct dmmp_context *ctx, struct dmmp_path *dmmp_p,
json_object *j_obj_p)
{
int rc = DMMP_OK;
const char *blk_name = NULL;
const char *status_str = NULL;
assert(ctx != NULL);
assert(dmmp_p != NULL);
assert(j_obj_p != NULL);
_json_obj_get_value(ctx, j_obj_p, blk_name, "dev",
json_type_string, json_object_get_string, rc, out);
_json_obj_get_value(ctx, j_obj_p, status_str, "chk_st",
json_type_string, json_object_get_string, rc, out);
_dmmp_null_or_empty_str_check(ctx, blk_name, rc, out);
_dmmp_null_or_empty_str_check(ctx, status_str, rc, out);
dmmp_p->blk_name = strdup(blk_name);
_dmmp_alloc_null_check(ctx, dmmp_p->blk_name, rc, out);
dmmp_p->status = _dmmp_path_status_str_conv(ctx, status_str);
_debug(ctx, "Got path blk_name: '%s'", dmmp_p->blk_name);
_debug(ctx, "Got path status: %s(%" PRIu32 ")",
dmmp_path_status_str(dmmp_p->status), dmmp_p->status);
out:
if (rc != DMMP_OK)
dmmp_path_free(dmmp_p);
return rc;
}
void dmmp_path_free(struct dmmp_path *dmmp_p)
{
if (dmmp_p == NULL)
return;
free(dmmp_p->blk_name);
free(dmmp_p);
}
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