/*
 * (C) 2007-2010 Alibaba Group Holding Limited.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *
 * Version: $Id: func.h 983 2011-10-31 09:59:33Z duanfei $
 *
 * Authors:
 *   duolong <duolong@taobao.com>
 *      - initial release
 *
 */
#ifndef TFS_COMMON_FUNC_H_
#define TFS_COMMON_FUNC_H_

#include <sys/vfs.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <unistd.h>
#include <vector>
#include <netdb.h>
#include <inttypes.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <string>


  namespace common
  {
    class Func
    {
    public:
      static int make_directory(char* path);
      static char* str_to_lower(char* psz_buf);
      static char* str_to_upper(char* psz_buf);

      static uint32_t crc(uint32_t crc, const char* data, const int32_t len);
      static int64_t curr_time();
      static std::string time_to_str(time_t t, int f = 0);
	  //added by zzy
      //static void sleep(const float f_heart_interval, bool& stop);
      //static void sleep(const float f_heart_interval, int32_t& stop);
	  //added by zzy

      /* bit opertion */
      static int32_t set_bit(int32_t& data, int32_t index);
      static int32_t clr_bit(int32_t& data, int32_t index);
      static int32_t test_bit(int32_t data, int32_t index);
      static const uint32_t _crc32tab[];
      static const uint32_t CRC_VALUE;
      static int32_t split_string(const char* line, const char del, std::vector<std::string>& fields);
	  static int GetLocalIP (const char *dev_name, char *ip);
      static int get_load_avg();
	  static int get_base_name(const char* path, char* dirpath);
	  static int write_pid(const char* lock_file);
	  static uint64_t getphymemsize ();
	static    uint32_t get_local_addr(const char* dev_name);
	static bool get_cpu_mem(float &cpu,size_t &mem, int pid,int tid);
	//added by zzy
	static bool get_sys_cpu_mem(float & sys_cpu_prec, float & sys_mem_prec, size_t & sys_mem_used);
	static bool get_sys_net_io(float & sys_net_io);
	//added by zzy
	static int get_disk_usage (const char *path, int64_t * used_bytes,int64_t * total_bytes, int64_t *used_rate);

    };
  }
#endif //TFS_COMMON_FUNC_H_