luckfox-pico/project/app/uvc_app_tiny/uvc_app/param/param.c

// Copyright 2021 Rockchip Electronics Co., Ltd. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "iniparser.h"
#include "uvc_log.h"
#include <pthread.h>
#ifdef LOG_TAG
#undef LOG_TAG
#endif
#define LOG_TAG "param.c"

char g_ini_path_[256];
dictionary *g_ini_d_;
static pthread_mutex_t g_param_mutex = PTHREAD_MUTEX_INITIALIZER;

int rk_param_dump() {
  const char *section_name;
  const char *keys[32];
  int section_keys;
  int section_num = iniparser_getnsec(g_ini_d_);
  LOG_INFO("section_num is %d\n", section_num);

  for (int i = 0; i < section_num; i++) {
    section_name = iniparser_getsecname(g_ini_d_, i);
    LOG_INFO("section_name is %s\n", section_name);
    section_keys = iniparser_getsecnkeys(g_ini_d_, section_name);
    for (int j = 0; j < section_keys; j++) {
      iniparser_getseckeys(g_ini_d_, section_name, keys);
      LOG_INFO("%s = %s\n", keys[j],
               iniparser_getstring(g_ini_d_, keys[j], ""));
    }
  }

  return 0;
}

int rk_param_save() {
  FILE *fp = fopen(g_ini_path_, "w");
  if (fp == NULL) {
    LOG_ERROR("%s, fopen error!\n", g_ini_path_);
    iniparser_freedict(g_ini_d_);
    g_ini_d_ = NULL;
    return -1;
  }
  iniparser_dump_ini(g_ini_d_, fp);

  fflush(fp);
  fclose(fp);

  return 0;
}

int rk_param_get_int(const char *entry, int default_val) {
  int ret;
  pthread_mutex_lock(&g_param_mutex);
  ret = iniparser_getint(g_ini_d_, entry, default_val);
  pthread_mutex_unlock(&g_param_mutex);

  return ret;
}

int rk_param_set_int(const char *entry, int val) {
  char tmp[8];
  sprintf(tmp, "%d", val);
  pthread_mutex_lock(&g_param_mutex);
  iniparser_set(g_ini_d_, entry, tmp);
  rk_param_save();
  pthread_mutex_unlock(&g_param_mutex);

  return 0;
}

const char *rk_param_get_string(const char *entry, const char *default_val) {
  const char *ret;
  pthread_mutex_lock(&g_param_mutex);
  ret = iniparser_getstring(g_ini_d_, entry, default_val);
  pthread_mutex_unlock(&g_param_mutex);

  return ret;
}

int rk_param_set_string(const char *entry, const char *val) {
  pthread_mutex_lock(&g_param_mutex);
  iniparser_set(g_ini_d_, entry, val);
  rk_param_save();
  pthread_mutex_unlock(&g_param_mutex);

  return 0;
}

int rk_param_init(char *ini_path) {
  LOG_INFO("%s\n", __func__);
  pthread_mutex_lock(&g_param_mutex);
  g_ini_d_ = NULL;
  if (ini_path)
    memcpy(g_ini_path_, ini_path, strlen(ini_path));
  else
    memcpy(g_ini_path_, "/oem/usr/share/rkuvc.ini", strlen("/oem/usr/share/rkuvc.ini"));
  LOG_INFO("g_ini_path_ is %s\n", g_ini_path_);

  g_ini_d_ = iniparser_load(g_ini_path_);
  if (g_ini_d_ == NULL) {
    LOG_ERROR("iniparser_load error!\n");
    return -1;
  }
  rk_param_dump();
  pthread_mutex_unlock(&g_param_mutex);

  return 0;
}

int rk_param_deinit() {
  LOG_INFO("%s\n", __func__);
  if (g_ini_d_ == NULL)
    return 0;
  pthread_mutex_lock(&g_param_mutex);
  rk_param_save();
  if (g_ini_d_)
    iniparser_freedict(g_ini_d_);
  pthread_mutex_unlock(&g_param_mutex);

  return 0;
}

int rk_param_reload() {
  LOG_INFO("%s\n", __func__);
  pthread_mutex_lock(&g_param_mutex);
  if (g_ini_d_)
    iniparser_freedict(g_ini_d_);
  g_ini_d_ = iniparser_load(g_ini_path_);
  if (g_ini_d_ == NULL) {
    LOG_ERROR("iniparser_load error!\n");
    return -1;
  }
  rk_param_dump();
  pthread_mutex_unlock(&g_param_mutex);

  return 0;
}