339 lines
No EOL
8.1 KiB
C
339 lines
No EOL
8.1 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include "common/bt_defs.h"
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#include "common/bt_trace.h"
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#include "osi/alarm.h"
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#include "osi/allocator.h"
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#include "device/bdaddr.h"
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#include "btc/btc_config.h"
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#include "btc/btc_util.h"
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#include "osi/config.h"
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#include "osi/osi.h"
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#include "osi/mutex.h"
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#include "stack/bt_types.h"
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static const char *CONFIG_FILE_PATH = "bt_config.conf";
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static const period_ms_t CONFIG_SETTLE_PERIOD_MS = 3000;
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static void btc_key_value_to_string(uint8_t *key_value, char *value_str, int key_length);
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static osi_mutex_t lock; // protects operations on |config|.
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static config_t *config;
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bool btc_compare_address_key_value(const char *section, const char *key_type, void *key_value, int key_length)
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{
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assert(key_value != NULL);
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bool status = false;
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char value_str[100] = {0};
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if(key_length > sizeof(value_str)/2) {
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return false;
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}
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btc_key_value_to_string((uint8_t *)key_value, value_str, key_length);
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if ((status = config_has_key_in_section(config, key_type, value_str)) == true) {
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config_remove_section(config, section);
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}
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return status;
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}
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static void btc_key_value_to_string(uint8_t *key_value, char *value_str, int key_length)
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{
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const char *lookup = "0123456789abcdef";
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assert(key_value != NULL);
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assert(value_str != NULL);
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for (size_t i = 0; i < key_length; ++i) {
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value_str[(i * 2) + 0] = lookup[(key_value[i] >> 4) & 0x0F];
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value_str[(i * 2) + 1] = lookup[key_value[i] & 0x0F];
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}
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return;
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}
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// Module lifecycle functions
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bool btc_config_init(void)
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{
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osi_mutex_new(&lock);
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config = config_new(CONFIG_FILE_PATH);
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if (!config) {
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BTC_TRACE_WARNING("%s unable to load config file; starting unconfigured.\n", __func__);
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config = config_new_empty();
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if (!config) {
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BTC_TRACE_ERROR("%s unable to allocate a config object.\n", __func__);
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goto error;
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}
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}
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if (config_save(config, CONFIG_FILE_PATH)) {
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// unlink(LEGACY_CONFIG_FILE_PATH);
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}
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return true;
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error:;
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config_free(config);
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osi_mutex_free(&lock);
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config = NULL;
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BTC_TRACE_ERROR("%s failed\n", __func__);
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return false;
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}
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bool btc_config_shut_down(void)
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{
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btc_config_flush();
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return true;
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}
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bool btc_config_clean_up(void)
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{
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btc_config_flush();
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config_free(config);
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osi_mutex_free(&lock);
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config = NULL;
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return true;
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}
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bool btc_config_has_section(const char *section)
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{
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assert(config != NULL);
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assert(section != NULL);
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return config_has_section(config, section);
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}
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bool btc_config_exist(const char *section, const char *key)
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{
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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return config_has_key(config, section, key);
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}
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bool btc_config_get_int(const char *section, const char *key, int *value)
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{
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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assert(value != NULL);
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bool ret = config_has_key(config, section, key);
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if (ret) {
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*value = config_get_int(config, section, key, *value);
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}
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return ret;
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}
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bool btc_config_set_int(const char *section, const char *key, int value)
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{
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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config_set_int(config, section, key, value);
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return true;
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}
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bool btc_config_get_str(const char *section, const char *key, char *value, int *size_bytes)
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{
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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assert(value != NULL);
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assert(size_bytes != NULL);
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const char *stored_value = config_get_string(config, section, key, NULL);
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if (!stored_value) {
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return false;
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}
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strlcpy(value, stored_value, *size_bytes);
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*size_bytes = strlen(value) + 1;
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return true;
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}
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bool btc_config_set_str(const char *section, const char *key, const char *value)
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{
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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assert(value != NULL);
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config_set_string(config, section, key, value, false);
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return true;
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}
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bool btc_config_get_bin(const char *section, const char *key, uint8_t *value, size_t *length)
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{
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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assert(value != NULL);
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assert(length != NULL);
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const char *value_str = config_get_string(config, section, key, NULL);
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if (!value_str) {
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return false;
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}
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size_t value_len = strlen(value_str);
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if ((value_len % 2) != 0 || *length < (value_len / 2)) {
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return false;
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}
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for (size_t i = 0; i < value_len; ++i)
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if (!isxdigit((unsigned char)value_str[i])) {
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return false;
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}
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for (*length = 0; *value_str; value_str += 2, *length += 1) {
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unsigned int val;
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sscanf(value_str, "%02x", &val);
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value[*length] = (uint8_t)(val);
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}
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return true;
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}
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size_t btc_config_get_bin_length(const char *section, const char *key)
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{
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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const char *value_str = config_get_string(config, section, key, NULL);
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if (!value_str) {
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return 0;
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}
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size_t value_len = strlen(value_str);
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return ((value_len % 2) != 0) ? 0 : (value_len / 2);
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}
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bool btc_config_set_bin(const char *section, const char *key, const uint8_t *value, size_t length)
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{
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const char *lookup = "0123456789abcdef";
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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if (length > 0) {
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assert(value != NULL);
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}
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char *str = (char *)osi_calloc(length * 2 + 1);
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if (!str) {
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return false;
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}
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for (size_t i = 0; i < length; ++i) {
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str[(i * 2) + 0] = lookup[(value[i] >> 4) & 0x0F];
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str[(i * 2) + 1] = lookup[value[i] & 0x0F];
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}
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config_set_string(config, section, key, str, false);
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osi_free(str);
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return true;
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}
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const btc_config_section_iter_t *btc_config_section_begin(void)
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{
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assert(config != NULL);
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return (const btc_config_section_iter_t *)config_section_begin(config);
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}
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const btc_config_section_iter_t *btc_config_section_end(void)
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{
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assert(config != NULL);
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return (const btc_config_section_iter_t *)config_section_end(config);
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}
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const btc_config_section_iter_t *btc_config_section_next(const btc_config_section_iter_t *section)
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{
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assert(config != NULL);
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assert(section != NULL);
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return (const btc_config_section_iter_t *)config_section_next((const config_section_node_t *)section);
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}
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const char *btc_config_section_name(const btc_config_section_iter_t *section)
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{
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assert(config != NULL);
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assert(section != NULL);
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return config_section_name((const config_section_node_t *)section);
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}
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bool btc_config_remove(const char *section, const char *key)
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{
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assert(config != NULL);
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assert(section != NULL);
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assert(key != NULL);
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return config_remove_key(config, section, key);
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}
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bool btc_config_remove_section(const char *section)
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{
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assert(config != NULL);
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assert(section != NULL);
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return config_remove_section(config, section);
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}
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void btc_config_flush(void)
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{
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assert(config != NULL);
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config_save(config, CONFIG_FILE_PATH);
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}
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int btc_config_clear(void)
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{
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assert(config != NULL);
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config_free(config);
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config = config_new_empty();
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if (config == NULL) {
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return false;
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}
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int ret = config_save(config, CONFIG_FILE_PATH);
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return ret;
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}
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void btc_config_lock(void)
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{
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osi_mutex_lock(&lock, OSI_MUTEX_MAX_TIMEOUT);
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}
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void btc_config_unlock(void)
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{
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osi_mutex_unlock(&lock);
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} |