/* Copyright Statement:
 * *
 * * This software/firmware and related documentation ("MediaTek Software") are
 * * protected under relevant copyright laws. The information contained herein
 * * is confidential and proprietary to MediaTek Inc. and/or its licensors.
 * * Without the prior written permission of MediaTek inc. and/or its licensors,
 * * any reproduction, modification, use or disclosure of MediaTek Software,
 * * and information contained herein, in whole or in part, shall be strictly prohibited.
 * *
 * * MediaTek Inc. (C) 2016. All rights reserved.
 * *
 * * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 * * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
 * * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
 * * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
 * * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
 * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
 * * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
 * * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
 * * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
 * * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
 * * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
 * * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
 * * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
 * * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
 * * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
 * * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
 * * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
 * * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
 * *
 * * The following software/firmware and/or related documentation ("MediaTek Software")
 * * have been modified by MediaTek Inc. All revisions are subject to any receiver's
 * * applicable license agreements with MediaTek Inc.
 * */

#define LOG_TAG "mtk_bt_hci_layer"

#include <mutex>

#include <arpa/inet.h>
#include <base/logging.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <limits.h>
#include <netinet/in.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <unistd.h>
#include "bt_target.h"
#include <mutex>
#include <unordered_map>
#include <unordered_set>

#include "log_tree_mgr.h"
#include "log_writer.h"
#include "logs_stats.h"
#include "osi/include/log.h"
#include "osi/include/osi.h"
#include "osi/include/thread.h"
#include "snoop_log_config.h"
#include "mtk_util.h"
#include "osi/include/properties.h"

#include <fcntl.h>
#include <inttypes.h>
#include <dirent.h>
#include <libgen.h>

#include "osi/include/properties.h"
#include <fcntl.h>
#include <inttypes.h>
#include <dirent.h>
#include <libgen.h>

#define MTK_LOG_PATH "/data/misc/bluetooth/logs/firmware_events.log"


static uint64_t hci_readability_timestamp(void) {
  const int buf_size = 24;
  char buffer[buf_size];
  char buffer2[buf_size];
  struct timeval tv;
  time_t curtime = time(NULL);
  struct tm * ltime = localtime(&curtime);

  if (ltime  == NULL) {
    LOG_ERROR("%s localtime return NULL", __func__);
    return 0;
  }

  strftime(buffer, sizeof(buffer), "%Y%m%d%H%M%S", ltime);

  gettimeofday(&tv, NULL);
  snprintf(buffer2, sizeof(buffer2), "%s", buffer);

  return strtoull(buffer2, NULL, 10);
}


int mtk_hci_open_firmware_log_file() {
  char full_path[PROPERTY_VALUE_MAX] = {0};
  uint64_t read_ts = hci_readability_timestamp();
  snprintf(full_path, PROPERTY_VALUE_MAX, "%s.%" PRIu64, MTK_LOG_PATH, read_ts);

  mode_t prevmask = umask(0);
  int logfile_fd = open(full_path, O_WRONLY | O_CREAT | O_TRUNC,
                        S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
  umask(prevmask);
  if (logfile_fd == INVALID_FD) {
    LOG_ERROR("%s unable to open '%s': %s", __func__, full_path, strerror(errno));
  }

  return logfile_fd;
}