icmap.c

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/*
 * Copyright (c) 2011 Red Hat, Inc.
 *
 * All rights reserved.
 *
 * Author: Jan Friesse (jfriesse@redhat.com)
 *
 * This software licensed under BSD license, the text of which follows:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of the Red Hat, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
 */
 
#include <config.h>
 
#include <string.h>
#include <stdio.h>
 
#include <corosync/corotypes.h>
 
#include <qb/qbdefs.h>
#include <qb/qblist.h>
#include <corosync/icmap.h>
 
#define ICMAP_MAX_VALUE_LEN     (16*1024)
 
struct icmap_item {
        char *key_name;
        icmap_value_types_t type;
        size_t value_len;
        char value[];
};
 
struct icmap_map {
        qb_map_t *qb_map;
};
 
static icmap_map_t icmap_global_map;
 
struct icmap_track {
        char *key_name;
        int32_t track_type;
        icmap_notify_fn_t notify_fn;
        void *user_data;
        struct qb_list_head list;
};
 
struct icmap_ro_access_item {
        char *key_name;
        int prefix;
        struct qb_list_head list;
};
 
QB_LIST_DECLARE (icmap_ro_access_item_list_head);
QB_LIST_DECLARE (icmap_track_list_head);
 
/*
 * Static functions declarations
 */
 
/*
 * Check if key_name is valid icmap key name. Returns 0 on success, and -1 on fail
 */
static int icmap_check_key_name(const char *key_name);
 
/*
 * Check that value with given type has correct length value_len. Returns 0 on success,
 * and -1 on fail
 */
static int icmap_check_value_len(const void *value, size_t value_len, icmap_value_types_t type);
 
/*
 * Checks if item has same value as value with value_len and given type. Returns 0 if not, otherwise !0.
 */
static int icmap_item_eq(const struct icmap_item *item, const void *value, size_t value_len, icmap_value_types_t type);
 
/*
 * Checks if given character is valid in key name. Returns 0 if not, otherwise !0.
 */
static int icmap_is_valid_name_char(char c);
 
/*
 * Helper for getting integer and float value with given type for key key_name and store it in value.
 */
static cs_error_t icmap_get_int_r(
        const icmap_map_t map,
        const char *key_name,
        void *value,
        icmap_value_types_t type);
 
/*
 * Return raw item value data. Internal function used by icmap_get_r which does most
 * of arguments validity checks but doesn't copy data (it returns raw item data
 * pointer). It's not very safe tho it's static.
 */
static cs_error_t icmap_get_ref_r(
        const icmap_map_t map,
        const char *key_name,
        void **value,
        size_t *value_len,
        icmap_value_types_t *type);
 
/*
 * Function implementation
 */
int32_t icmap_tt_to_qbtt(int32_t track_type)
{
        int32_t res = 0;
 
        if (track_type & ICMAP_TRACK_DELETE) {
                res |= QB_MAP_NOTIFY_DELETED;
        }
 
        if (track_type & ICMAP_TRACK_MODIFY) {
                res |= QB_MAP_NOTIFY_REPLACED;
        }
 
        if (track_type & ICMAP_TRACK_ADD) {
                res |= QB_MAP_NOTIFY_INSERTED;
        }
 
        if (track_type & ICMAP_TRACK_PREFIX) {
                res |= QB_MAP_NOTIFY_RECURSIVE;
        }
 
        return (res);
}
 
int32_t icmap_qbtt_to_tt(int32_t track_type)
{
        int32_t res = 0;
 
        if (track_type & QB_MAP_NOTIFY_DELETED) {
                res |= ICMAP_TRACK_DELETE;
        }
 
        if (track_type & QB_MAP_NOTIFY_REPLACED) {
                res |= ICMAP_TRACK_MODIFY;
        }
 
        if (track_type & QB_MAP_NOTIFY_INSERTED) {
                res |= ICMAP_TRACK_ADD;
        }
 
        if (track_type & QB_MAP_NOTIFY_RECURSIVE) {
                res |= ICMAP_TRACK_PREFIX;
        }
 
        return (res);
}
 
static void icmap_map_free_cb(uint32_t event,
                char* key, void* old_value,
                void* value, void* user_data)
{
        struct icmap_item *item = (struct icmap_item *)old_value;
 
        /*
         * value == old_value -> fast_adjust_int was used, don't free data
         */
        if (item != NULL && value != old_value) {
                free(item->key_name);
                free(item);
        }
}
 
cs_error_t icmap_init_r(icmap_map_t *result)
{
        int32_t err;
 
        *result = malloc(sizeof(struct icmap_map));
        if (*result == NULL) {
                return (CS_ERR_NO_MEMORY);
        }
 
        (*result)->qb_map = qb_trie_create();
        if ((*result)->qb_map == NULL) {
                free(*result);
                return (CS_ERR_INIT);
        }
 
        err = qb_map_notify_add((*result)->qb_map, NULL, icmap_map_free_cb, QB_MAP_NOTIFY_FREE, NULL);
        if (err != 0) {
                qb_map_destroy((*result)->qb_map);
                free(*result);
        }
 
        return (qb_to_cs_error(err));
}
 
cs_error_t icmap_init(void)
{
        return (icmap_init_r(&icmap_global_map));
}
 
static void icmap_set_ro_access_free(void)
{
        struct qb_list_head *iter, *tmp_iter;
        struct icmap_ro_access_item *icmap_ro_ai;
 
        qb_list_for_each_safe(iter, tmp_iter, &icmap_ro_access_item_list_head) {
                icmap_ro_ai = qb_list_entry(iter, struct icmap_ro_access_item, list);
                qb_list_del(&icmap_ro_ai->list);
                free(icmap_ro_ai->key_name);
                free(icmap_ro_ai);
        }
}
 
static void icmap_del_all_track(void)
{
        struct qb_list_head *iter, *tmp_iter;
        struct icmap_track *icmap_track;
 
        qb_list_for_each_safe(iter, tmp_iter, &icmap_track_list_head) {
                icmap_track = qb_list_entry(iter, struct icmap_track, list);
 
                icmap_track_delete(icmap_track);
        }
}
 
void icmap_fini_r(const icmap_map_t map)
{
 
        qb_map_destroy(map->qb_map);
        free(map);
 
        return;
}
 
void icmap_fini(void)
{
 
        icmap_del_all_track();
        /*
         * catch 22 warning:
         * We need to drop this notify but we can't because it calls icmap_map_free_cb
         * while destroying the tree to free icmap_item(s).
         * -> qb_map_notify_del_2(icmap_map, NULL, icmap_map_free_cb, QB_MAP_NOTIFY_FREE, NULL);
         * and we cannot call it after map_destroy. joy! :)
         */
        icmap_fini_r(icmap_global_map);
        icmap_set_ro_access_free();
 
        return ;
}
 
icmap_map_t icmap_get_global_map(void)
{
 
        return (icmap_global_map);
}
 
static int icmap_is_valid_name_char(char c)
{
        return ((c >= 'a' && c <= 'z') ||
                (c >= 'A' && c <= 'Z') ||
                (c >= '0' && c <= '9') ||
                c == '.' || c == '_' || c == '-' || c == '/' || c == ':');
}
 
void icmap_convert_name_to_valid_name(char *key_name)
{
        int i;
 
        for (i = 0; i < strlen(key_name); i++) {
                if (!icmap_is_valid_name_char(key_name[i])) {
                        key_name[i] = '_';
                }
        }
}
 
static int icmap_check_key_name(const char *key_name)
{
        int i;
 
        if ((strlen(key_name) < ICMAP_KEYNAME_MINLEN) || strlen(key_name) > ICMAP_KEYNAME_MAXLEN) {
                return (-1);
        }
 
        for (i = 0; i < strlen(key_name); i++) {
                if (!icmap_is_valid_name_char(key_name[i])) {
                        return (-1);
                }
        }
 
        return (0);
}
 
size_t icmap_get_valuetype_len(icmap_value_types_t type)
{
        size_t res = 0;
 
        switch (type) {
        case ICMAP_VALUETYPE_INT8: res = sizeof(int8_t); break;
        case ICMAP_VALUETYPE_UINT8: res = sizeof(uint8_t); break;
        case ICMAP_VALUETYPE_INT16: res = sizeof(int16_t); break;
        case ICMAP_VALUETYPE_UINT16: res = sizeof(uint16_t); break;
        case ICMAP_VALUETYPE_INT32: res = sizeof(int32_t); break;
        case ICMAP_VALUETYPE_UINT32: res = sizeof(uint32_t); break;
        case ICMAP_VALUETYPE_INT64: res = sizeof(int64_t); break;
        case ICMAP_VALUETYPE_UINT64: res = sizeof(uint64_t); break;
        case ICMAP_VALUETYPE_FLOAT: res = sizeof(float); break;
        case ICMAP_VALUETYPE_DOUBLE: res = sizeof(double); break;
        case ICMAP_VALUETYPE_STRING:
        case ICMAP_VALUETYPE_BINARY:
                res = 0;
                break;
        }
 
        return (res);
}
 
static int icmap_check_value_len(const void *value, size_t value_len, icmap_value_types_t type)
{
 
        if (value_len > ICMAP_MAX_VALUE_LEN) {
                return (-1);
        }
 
        if (type != ICMAP_VALUETYPE_STRING && type != ICMAP_VALUETYPE_BINARY) {
                if (icmap_get_valuetype_len(type) == value_len) {
                        return (0);
                } else {
                        return (-1);
                }
        }
 
        if (type == ICMAP_VALUETYPE_STRING) {
                /*
                 * value_len can be shorter then real string length, but never
                 * longer (+ 1 is because of 0 at the end of string)
                 */
                if (value_len > strlen((const char *)value) + 1) {
                        return (-1);
                } else {
                        return (0);
                }
        }
 
        return (0);
}
 
static int icmap_item_eq(const struct icmap_item *item, const void *value, size_t value_len, icmap_value_types_t type)
{
        size_t ptr_len;
 
        if (item->type != type) {
                return (0);
        }
 
        if (item->type == ICMAP_VALUETYPE_STRING) {
                ptr_len = strlen((const char *)value);
                if (ptr_len > value_len) {
                        ptr_len = value_len;
                }
                ptr_len++;
        } else {
                ptr_len = value_len;
        }
 
        if (item->value_len == ptr_len) {
                return (memcmp(item->value, value, value_len) == 0);
        };
 
        return (0);
}
 
int icmap_key_value_eq(
        const icmap_map_t map1,
        const char *key_name1,
        const icmap_map_t map2,
        const char *key_name2)
{
        struct icmap_item *item1, *item2;
 
        if (map1 == NULL || key_name1 == NULL || map2 == NULL || key_name2 == NULL) {
                return (0);
        }
 
        item1 = qb_map_get(map1->qb_map, key_name1);
        item2 = qb_map_get(map2->qb_map, key_name2);
 
        if (item1 == NULL || item2 == NULL) {
                return (0);
        }
 
        return (icmap_item_eq(item1, item2->value, item2->value_len, item2->type));
}
 
cs_error_t icmap_set_r(
        const icmap_map_t map,
        const char *key_name,
        const void *value,
        size_t value_len,
        icmap_value_types_t type)
{
        struct icmap_item *item;
        struct icmap_item *new_item;
        size_t new_value_len;
        size_t new_item_size;
 
        if (value == NULL || key_name == NULL) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        if (icmap_check_value_len(value, value_len, type) != 0) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        item = qb_map_get(map->qb_map, key_name);
        if (item != NULL) {
                /*
                 * Check that key is really changed
                 */
                if (icmap_item_eq(item, value, value_len, type)) {
                        return (CS_OK);
                }
        } else {
                if (icmap_check_key_name(key_name) != 0) {
                        return (CS_ERR_NAME_TOO_LONG);
                }
        }
 
        if (type == ICMAP_VALUETYPE_BINARY || type == ICMAP_VALUETYPE_STRING) {
                if (type == ICMAP_VALUETYPE_STRING) {
                        new_value_len = strlen((const char *)value);
                        if (new_value_len > value_len) {
                                new_value_len = value_len;
                        }
                        new_value_len++;
                } else {
                        new_value_len = value_len;
                }
        } else {
                new_value_len = icmap_get_valuetype_len(type);
        }
 
        new_item_size = sizeof(struct icmap_item) + new_value_len;
        new_item = malloc(new_item_size);
        if (new_item == NULL) {
                return (CS_ERR_NO_MEMORY);
        }
        memset(new_item, 0, new_item_size);
 
        if (item == NULL) {
                new_item->key_name = strdup(key_name);
                if (new_item->key_name == NULL) {
                        free(new_item);
                        return (CS_ERR_NO_MEMORY);
                }
        } else {
                new_item->key_name = item->key_name;
                item->key_name = NULL;
        }
 
        new_item->type = type;
        new_item->value_len = new_value_len;
 
        memcpy(new_item->value, value, new_value_len);
 
        if (new_item->type == ICMAP_VALUETYPE_STRING) {
                ((char *)new_item->value)[new_value_len - 1] = 0;
        }
 
        qb_map_put(map->qb_map, new_item->key_name, new_item);
 
        return (CS_OK);
}
 
cs_error_t icmap_set(
        const char *key_name,
        const void *value,
        size_t value_len,
        icmap_value_types_t type)
{
 
        return (icmap_set_r(icmap_global_map, key_name, value, value_len, type));
}
 
cs_error_t icmap_set_int8_r(const icmap_map_t map, const char *key_name, int8_t value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_INT8));
}
 
cs_error_t icmap_set_uint8_r(const icmap_map_t map, const char *key_name, uint8_t value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_UINT8));
}
 
cs_error_t icmap_set_int16_r(const icmap_map_t map, const char *key_name, int16_t value)
{
 
        return (icmap_set_r(map,key_name, &value, sizeof(value), ICMAP_VALUETYPE_INT16));
}
 
cs_error_t icmap_set_uint16_r(const icmap_map_t map, const char *key_name, uint16_t value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_UINT16));
}
 
cs_error_t icmap_set_int32_r(const icmap_map_t map, const char *key_name, int32_t value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_INT32));
}
 
cs_error_t icmap_set_uint32_r(const icmap_map_t map, const char *key_name, uint32_t value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_UINT32));
}
 
cs_error_t icmap_set_int64_r(const icmap_map_t map, const char *key_name, int64_t value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_INT64));
}
 
cs_error_t icmap_set_uint64_r(const icmap_map_t map, const char *key_name, uint64_t value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_UINT64));
}
 
cs_error_t icmap_set_float_r(const icmap_map_t map, const char *key_name, float value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_FLOAT));
}
 
cs_error_t icmap_set_double_r(const icmap_map_t map, const char *key_name, double value)
{
 
        return (icmap_set_r(map, key_name, &value, sizeof(value), ICMAP_VALUETYPE_DOUBLE));
}
 
cs_error_t icmap_set_string_r(const icmap_map_t map, const char *key_name, const char *value)
{
 
        if (value == NULL) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        return (icmap_set_r(map, key_name, value, strlen(value), ICMAP_VALUETYPE_STRING));
}
 
cs_error_t icmap_set_int8(const char *key_name, int8_t value)
{
 
        return (icmap_set_int8_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_uint8(const char *key_name, uint8_t value)
{
 
        return (icmap_set_uint8_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_int16(const char *key_name, int16_t value)
{
 
        return (icmap_set_int16_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_uint16(const char *key_name, uint16_t value)
{
 
        return (icmap_set_uint16_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_int32(const char *key_name, int32_t value)
{
 
        return (icmap_set_int32_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_uint32(const char *key_name, uint32_t value)
{
 
        return (icmap_set_uint32_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_int64(const char *key_name, int64_t value)
{
 
        return (icmap_set_int64_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_uint64(const char *key_name, uint64_t value)
{
 
        return (icmap_set_uint64_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_float(const char *key_name, float value)
{
 
        return (icmap_set_float_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_double(const char *key_name, double value)
{
 
        return (icmap_set_double_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_set_string(const char *key_name, const char *value)
{
 
        return (icmap_set_string_r(icmap_global_map, key_name, value));
}
 
cs_error_t icmap_delete_r(const icmap_map_t map, const char *key_name)
{
        struct icmap_item *item;
 
        if (key_name == NULL) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        item = qb_map_get(map->qb_map, key_name);
        if (item == NULL) {
                return (CS_ERR_NOT_EXIST);
        }
 
        if (qb_map_rm(map->qb_map, item->key_name) != QB_TRUE) {
                return (CS_ERR_NOT_EXIST);
        }
 
        return (CS_OK);
}
 
cs_error_t icmap_delete(const char *key_name)
{
 
        return (icmap_delete_r(icmap_global_map, key_name));
}
 
static cs_error_t icmap_get_ref_r(
        const icmap_map_t map,
        const char *key_name,
        void **value,
        size_t *value_len,
        icmap_value_types_t *type)
{
        struct icmap_item *item;
 
        if (key_name == NULL) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        item = qb_map_get(map->qb_map, key_name);
        if (item == NULL) {
                return (CS_ERR_NOT_EXIST);
        }
 
        if (type != NULL) {
                *type = item->type;
        }
 
        if (value_len != NULL) {
                *value_len = item->value_len;
        }
 
        if (value != NULL) {
                *value = item->value;
        }
 
        return (CS_OK);
}
 
cs_error_t icmap_get_r(
        const icmap_map_t map,
        const char *key_name,
        void *value,
        size_t *value_len,
        icmap_value_types_t *type)
{
        cs_error_t res;
        void *tmp_value;
        size_t tmp_value_len;
 
        res = icmap_get_ref_r(map, key_name, &tmp_value, &tmp_value_len, type);
        if (res != CS_OK) {
                return (res);
        }
 
        if (value == NULL) {
                if (value_len != NULL) {
                        *value_len = tmp_value_len;
                }
        } else {
                if (value_len == NULL || *value_len < tmp_value_len) {
                        return (CS_ERR_INVALID_PARAM);
                }
 
                *value_len = tmp_value_len;
 
                memcpy(value, tmp_value, tmp_value_len);
        }
 
        return (CS_OK);
}
 
cs_error_t icmap_get(
        const char *key_name,
        void *value,
        size_t *value_len,
        icmap_value_types_t *type)
{
 
        return (icmap_get_r(icmap_global_map, key_name, value, value_len, type));
}
 
cs_error_t icmap_get_string_r(icmap_map_t map, const char *key_name, char **str)
{
        cs_error_t res;
        size_t str_len;
        icmap_value_types_t type;
 
        res = icmap_get_r(map, key_name, NULL, &str_len, &type);
        if (res != CS_OK || type != ICMAP_VALUETYPE_STRING) {
                if (res == CS_OK) {
                        res = CS_ERR_INVALID_PARAM;
                }
 
                goto return_error;
        }
 
        *str = malloc(str_len);
        if (*str == NULL) {
                res = CS_ERR_NO_MEMORY;
 
                goto return_error;
        }
 
        res = icmap_get_r(map, key_name, *str, &str_len, &type);
        if (res != CS_OK) {
                free(*str);
                goto return_error;
        }
 
        return (CS_OK);
 
return_error:
        return (res);
}
 
static cs_error_t icmap_get_int_r(
        const icmap_map_t map,
        const char *key_name,
        void *value,
        icmap_value_types_t type)
{
        char key_value[16];
        size_t key_size;
        cs_error_t err;
        icmap_value_types_t key_type;
 
        key_size = sizeof(key_value);
        memset(key_value, 0, key_size);
 
        err = icmap_get_r(map, key_name, key_value, &key_size, &key_type);
        if (err != CS_OK)
                return (err);
 
        if (key_type != type) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        memcpy(value, key_value, icmap_get_valuetype_len(key_type));
 
        return (CS_OK);
}
 
cs_error_t icmap_get_int8_r(const icmap_map_t map, const char *key_name, int8_t *i8)
{
 
        return (icmap_get_int_r(map, key_name, i8, ICMAP_VALUETYPE_INT8));
}
 
cs_error_t icmap_get_uint8_r(const icmap_map_t map, const char *key_name, uint8_t *u8)
{
 
        return (icmap_get_int_r(map, key_name, u8, ICMAP_VALUETYPE_UINT8));
}
 
cs_error_t icmap_get_int16_r(const icmap_map_t map, const char *key_name, int16_t *i16)
{
 
        return (icmap_get_int_r(map, key_name, i16, ICMAP_VALUETYPE_INT16));
}
 
cs_error_t icmap_get_uint16_r(const icmap_map_t map, const char *key_name, uint16_t *u16)
{
 
        return (icmap_get_int_r(map, key_name, u16, ICMAP_VALUETYPE_UINT16));
}
 
cs_error_t icmap_get_int32_r(const icmap_map_t map, const char *key_name, int32_t *i32)
{
 
        return (icmap_get_int_r(map, key_name, i32, ICMAP_VALUETYPE_INT32));
}
 
cs_error_t icmap_get_uint32_r(const icmap_map_t map, const char *key_name, uint32_t *u32)
{
 
        return (icmap_get_int_r(map, key_name, u32, ICMAP_VALUETYPE_UINT32));
}
 
cs_error_t icmap_get_int64_r(const icmap_map_t map, const char *key_name, int64_t *i64)
{
 
        return(icmap_get_int_r(map, key_name, i64, ICMAP_VALUETYPE_INT64));
}
 
cs_error_t icmap_get_uint64_r(const icmap_map_t map, const char *key_name, uint64_t *u64)
{
 
        return (icmap_get_int_r(map, key_name, u64, ICMAP_VALUETYPE_UINT64));
}
 
cs_error_t icmap_get_float_r(const icmap_map_t map, const char *key_name, float *flt)
{
 
        return (icmap_get_int_r(map, key_name, flt, ICMAP_VALUETYPE_FLOAT));
}
 
cs_error_t icmap_get_double_r(const icmap_map_t map, const char *key_name, double *dbl)
{
 
        return (icmap_get_int_r(map, key_name, dbl, ICMAP_VALUETYPE_DOUBLE));
}
 
cs_error_t icmap_get_string(const char *key_name, char **str)
{
 
        return (icmap_get_string_r(icmap_global_map, key_name, str));
}
 
cs_error_t icmap_get_int8(const char *key_name, int8_t *i8)
{
 
        return (icmap_get_int8_r(icmap_global_map, key_name, i8));
}
 
cs_error_t icmap_get_uint8(const char *key_name, uint8_t *u8)
{
 
        return (icmap_get_uint8_r(icmap_global_map, key_name, u8));
}
 
cs_error_t icmap_get_int16(const char *key_name, int16_t *i16)
{
 
        return (icmap_get_int16_r(icmap_global_map, key_name, i16));
}
 
cs_error_t icmap_get_uint16(const char *key_name, uint16_t *u16)
{
 
        return (icmap_get_uint16_r(icmap_global_map, key_name, u16));
}
 
cs_error_t icmap_get_int32(const char *key_name, int32_t *i32)
{
 
        return (icmap_get_int32_r(icmap_global_map, key_name, i32));
}
 
cs_error_t icmap_get_uint32(const char *key_name, uint32_t *u32)
{
 
        return (icmap_get_uint32_r(icmap_global_map, key_name, u32));
}
 
cs_error_t icmap_get_int64(const char *key_name, int64_t *i64)
{
 
        return(icmap_get_int64_r(icmap_global_map, key_name, i64));
}
 
cs_error_t icmap_get_uint64(const char *key_name, uint64_t *u64)
{
 
        return (icmap_get_uint64_r(icmap_global_map, key_name, u64));
}
 
cs_error_t icmap_get_float(const char *key_name, float *flt)
{
 
        return (icmap_get_float_r(icmap_global_map, key_name, flt));
}
 
cs_error_t icmap_get_double(const char *key_name, double *dbl)
{
 
        return (icmap_get_double_r(icmap_global_map, key_name, dbl));
}
 
cs_error_t icmap_adjust_int_r(
        const icmap_map_t map,
        const char *key_name,
        int32_t step)
{
        struct icmap_item *item;
        uint8_t u8;
        uint16_t u16;
        uint32_t u32;
        uint64_t u64;
        cs_error_t err = CS_OK;
 
        if (key_name == NULL) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        item = qb_map_get(map->qb_map, key_name);
        if (item == NULL) {
                return (CS_ERR_NOT_EXIST);
        }
 
        switch (item->type) {
        case ICMAP_VALUETYPE_INT8:
        case ICMAP_VALUETYPE_UINT8:
                memcpy(&u8, item->value, sizeof(u8));
                u8 += step;
                err = icmap_set(key_name, &u8, sizeof(u8), item->type);
                break;
        case ICMAP_VALUETYPE_INT16:
        case ICMAP_VALUETYPE_UINT16:
                memcpy(&u16, item->value, sizeof(u16));
                u16 += step;
                err = icmap_set(key_name, &u16, sizeof(u16), item->type);
                break;
        case ICMAP_VALUETYPE_INT32:
        case ICMAP_VALUETYPE_UINT32:
                memcpy(&u32, item->value, sizeof(u32));
                u32 += step;
                err = icmap_set(key_name, &u32, sizeof(u32), item->type);
                break;
        case ICMAP_VALUETYPE_INT64:
        case ICMAP_VALUETYPE_UINT64:
                memcpy(&u64, item->value, sizeof(u64));
                u64 += step;
                err = icmap_set(key_name, &u64, sizeof(u64), item->type);
                break;
        case ICMAP_VALUETYPE_FLOAT:
        case ICMAP_VALUETYPE_DOUBLE:
        case ICMAP_VALUETYPE_STRING:
        case ICMAP_VALUETYPE_BINARY:
                err = CS_ERR_INVALID_PARAM;
                break;
        }
 
        return (err);
}
 
cs_error_t icmap_adjust_int(
        const char *key_name,
        int32_t step)
{
 
        return (icmap_adjust_int_r(icmap_global_map, key_name, step));
}
 
cs_error_t icmap_fast_adjust_int_r(
        const icmap_map_t map,
        const char *key_name,
        int32_t step)
{
        struct icmap_item *item;
        cs_error_t err = CS_OK;
 
        if (key_name == NULL) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        item = qb_map_get(map->qb_map, key_name);
        if (item == NULL) {
                return (CS_ERR_NOT_EXIST);
        }
 
        switch (item->type) {
        case ICMAP_VALUETYPE_INT8:
        case ICMAP_VALUETYPE_UINT8:
                *(uint8_t *)item->value += step;
                break;
        case ICMAP_VALUETYPE_INT16:
        case ICMAP_VALUETYPE_UINT16:
                *(uint16_t *)item->value += step;
                break;
        case ICMAP_VALUETYPE_INT32:
        case ICMAP_VALUETYPE_UINT32:
                *(uint32_t *)item->value += step;
                break;
        case ICMAP_VALUETYPE_INT64:
        case ICMAP_VALUETYPE_UINT64:
                *(uint64_t *)item->value += step;
                break;
        case ICMAP_VALUETYPE_FLOAT:
        case ICMAP_VALUETYPE_DOUBLE:
        case ICMAP_VALUETYPE_STRING:
        case ICMAP_VALUETYPE_BINARY:
                err = CS_ERR_INVALID_PARAM;
                break;
        }
 
        if (err == CS_OK) {
                qb_map_put(map->qb_map, item->key_name, item);
        }
 
        return (err);
}
 
cs_error_t icmap_fast_adjust_int(
        const char *key_name,
        int32_t step)
{
 
        return (icmap_fast_adjust_int_r(icmap_global_map, key_name, step));
}
 
cs_error_t icmap_inc_r(const icmap_map_t map, const char *key_name)
{
        return (icmap_adjust_int_r(map, key_name, 1));
}
 
cs_error_t icmap_inc(const char *key_name)
{
        return (icmap_inc_r(icmap_global_map, key_name));
}
 
cs_error_t icmap_dec_r(const icmap_map_t map, const char *key_name)
{
        return (icmap_adjust_int_r(map, key_name, -1));
}
 
cs_error_t icmap_dec(const char *key_name)
{
        return (icmap_dec_r(icmap_global_map, key_name));
}
 
cs_error_t icmap_fast_inc_r(const icmap_map_t map, const char *key_name)
{
        return (icmap_fast_adjust_int_r(map, key_name, 1));
}
 
cs_error_t icmap_fast_inc(const char *key_name)
{
        return (icmap_fast_inc_r(icmap_global_map, key_name));
}
 
cs_error_t icmap_fast_dec_r(const icmap_map_t map, const char *key_name)
{
        return (icmap_fast_adjust_int_r(map, key_name, -1));
}
 
cs_error_t icmap_fast_dec(const char *key_name)
{
        return (icmap_fast_dec_r(icmap_global_map, key_name));
}
 
icmap_iter_t icmap_iter_init_r(const icmap_map_t map, const char *prefix)
{
        return (qb_map_pref_iter_create(map->qb_map, prefix));
}
 
icmap_iter_t icmap_iter_init(const char *prefix)
{
        return (icmap_iter_init_r(icmap_global_map, prefix));
}
 
 
const char *icmap_iter_next(icmap_iter_t iter, size_t *value_len, icmap_value_types_t *type)
{
        struct icmap_item *item;
        const char *res;
 
        res = qb_map_iter_next(iter, (void **)&item);
        if (res == NULL) {
                return (res);
        }
 
        if (value_len != NULL) {
                *value_len = item->value_len;
        }
 
        if (type != NULL) {
                *type = item->type;
        }
 
        return (res);
}
 
void icmap_iter_finalize(icmap_iter_t iter)
{
        qb_map_iter_free(iter);
}
 
static void icmap_notify_fn(uint32_t event, char *key, void *old_value, void *value, void *user_data)
{
        icmap_track_t icmap_track = (icmap_track_t)user_data;
        struct icmap_item *new_item = (struct icmap_item *)value;
        struct icmap_item *old_item = (struct icmap_item *)old_value;
        struct icmap_notify_value new_val;
        struct icmap_notify_value old_val;
 
        if (value == NULL && old_value == NULL) {
                return ;
        }
 
        if (new_item != NULL) {
                new_val.type = new_item->type;
                new_val.len = new_item->value_len;
                new_val.data = new_item->value;
        } else {
                memset(&new_val, 0, sizeof(new_val));
        }
 
        /*
         * old_item == new_item if fast functions are used -> don't fill old value
         */
        if (old_item != NULL && old_item != new_item) {
                old_val.type = old_item->type;
                old_val.len = old_item->value_len;
                old_val.data = old_item->value;
        } else {
                memset(&old_val, 0, sizeof(old_val));
        }
 
        icmap_track->notify_fn(icmap_qbtt_to_tt(event),
                        key,
                        new_val,
                        old_val,
                        icmap_track->user_data);
}
 
cs_error_t icmap_track_add(
        const char *key_name,
        int32_t track_type,
        icmap_notify_fn_t notify_fn,
        void *user_data,
        icmap_track_t *icmap_track)
{
        int32_t err;
 
        if (notify_fn == NULL || icmap_track == NULL) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        if ((track_type & ~(ICMAP_TRACK_ADD | ICMAP_TRACK_DELETE | ICMAP_TRACK_MODIFY | ICMAP_TRACK_PREFIX)) != 0) {
                return (CS_ERR_INVALID_PARAM);
        }
 
        *icmap_track = malloc(sizeof(**icmap_track));
        if (*icmap_track == NULL) {
                return (CS_ERR_NO_MEMORY);
        }
        memset(*icmap_track, 0, sizeof(**icmap_track));
 
        if (key_name != NULL) {
                (*icmap_track)->key_name = strdup(key_name);
        };
 
        (*icmap_track)->track_type = track_type;
        (*icmap_track)->notify_fn = notify_fn;
        (*icmap_track)->user_data = user_data;
 
        if ((err = qb_map_notify_add(icmap_global_map->qb_map, (*icmap_track)->key_name, icmap_notify_fn,
                                        icmap_tt_to_qbtt(track_type), *icmap_track)) != 0) {
                free((*icmap_track)->key_name);
                free(*icmap_track);
 
                return (qb_to_cs_error(err));
        }
 
        qb_list_init(&(*icmap_track)->list);
        qb_list_add (&(*icmap_track)->list, &icmap_track_list_head);
 
        return (CS_OK);
}
 
cs_error_t icmap_track_delete(icmap_track_t icmap_track)
{
        int32_t err;
 
        if ((err = qb_map_notify_del_2(icmap_global_map->qb_map, icmap_track->key_name,
                                icmap_notify_fn, icmap_tt_to_qbtt(icmap_track->track_type), icmap_track)) != 0) {
                return (qb_to_cs_error(err));
        }
 
        qb_list_del(&icmap_track->list);
        free(icmap_track->key_name);
        free(icmap_track);
 
        return (CS_OK);
}
 
void *icmap_track_get_user_data(icmap_track_t icmap_track)
{
        return (icmap_track->user_data);
}
 
cs_error_t icmap_set_ro_access(const char *key_name, int prefix, int ro_access)
{
        struct qb_list_head *iter, *tmp_iter;
        struct icmap_ro_access_item *icmap_ro_ai;
 
        qb_list_for_each_safe(iter, tmp_iter, &icmap_ro_access_item_list_head) {
                icmap_ro_ai = qb_list_entry(iter, struct icmap_ro_access_item, list);
 
                if (icmap_ro_ai->prefix == prefix && strcmp(key_name, icmap_ro_ai->key_name) == 0) {
                        /*
                         * We found item
                         */
                        if (ro_access) {
                                return (CS_ERR_EXIST);
                        } else {
                                qb_list_del(&icmap_ro_ai->list);
                                free(icmap_ro_ai->key_name);
                                free(icmap_ro_ai);
 
                                return (CS_OK);
                        }
                }
        }
 
        if (!ro_access) {
                return (CS_ERR_NOT_EXIST);
        }
 
        icmap_ro_ai = malloc(sizeof(*icmap_ro_ai));
        if (icmap_ro_ai == NULL) {
                return (CS_ERR_NO_MEMORY);
        }
 
        memset(icmap_ro_ai, 0, sizeof(*icmap_ro_ai));
        icmap_ro_ai->key_name = strdup(key_name);
        if (icmap_ro_ai->key_name == NULL) {
                free(icmap_ro_ai);
                return (CS_ERR_NO_MEMORY);
        }
 
        icmap_ro_ai->prefix = prefix;
        qb_list_init(&icmap_ro_ai->list);
        qb_list_add (&icmap_ro_ai->list, &icmap_ro_access_item_list_head);
 
        return (CS_OK);
}
 
int icmap_is_key_ro(const char *key_name)
{
        struct qb_list_head *iter;
        struct icmap_ro_access_item *icmap_ro_ai;
 
        qb_list_for_each(iter, &icmap_ro_access_item_list_head) {
                icmap_ro_ai = qb_list_entry(iter, struct icmap_ro_access_item, list);
 
                if (icmap_ro_ai->prefix) {
                        if (strlen(icmap_ro_ai->key_name) > strlen(key_name))
                                continue;
 
                        if (strncmp(icmap_ro_ai->key_name, key_name, strlen(icmap_ro_ai->key_name)) == 0) {
                                return (CS_TRUE);
                        }
                } else {
                        if (strcmp(icmap_ro_ai->key_name, key_name) == 0) {
                                return (CS_TRUE);
                        }
                }
        }
 
        return (CS_FALSE);
 
}
 
cs_error_t icmap_copy_map(icmap_map_t dst_map, const icmap_map_t src_map)
{
        icmap_iter_t iter;
        size_t value_len;
        icmap_value_types_t value_type;
        const char *key_name;
        cs_error_t err;
        void *value;
 
        iter = icmap_iter_init_r(src_map, NULL);
        if (iter == NULL) {
                return (CS_ERR_NO_MEMORY);
        }
 
        err = CS_OK;
 
        while ((key_name = icmap_iter_next(iter, &value_len, &value_type)) != NULL) {
                err = icmap_get_ref_r(src_map, key_name, &value, &value_len, &value_type);
                if (err != CS_OK) {
                        goto exit_iter_finalize;
                }
 
                err = icmap_set_r(dst_map, key_name, value, value_len, value_type);
                if (err != CS_OK) {
                        goto exit_iter_finalize;
                }
        }
 
exit_iter_finalize:
        icmap_iter_finalize(iter);
 
        return (err);
}