汤浩
126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
#include <iostream>
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#include <chrono>
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#include <iomanip>
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#include <sstream>
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#include <string>
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#include <ctime>
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#include "common/inc/json.hpp"
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#include "datacenter/bizService/F_Tool.h"
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typedef unsigned char BYTE;
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void Tool::hexstr_to_str(void *dst, const void *src, int src_len)
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{
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int i;
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BYTE low, high, ch;
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BYTE *dst_ptr = (BYTE *) dst;
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const BYTE *src_ptr = (const BYTE *) src;
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for (i = 0; i < src_len / 2; i++)
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{
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ch = *src_ptr++;
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if (ch >= '0' && ch <= '9')
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high = ch - '0';
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else if (ch >= 'A' && ch <= 'F')
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high = ch - 'A' + 10;
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else if (ch >= 'a' && ch <= 'f')
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high = ch - 'a' + 10;
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else
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break;
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ch = *src_ptr++;
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if (ch >= '0' && ch <= '9')
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low = ch - '0';
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else if (ch >= 'A' && ch <= 'F')
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low = ch - 'A' + 10;
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else if (ch >= 'a' && ch <= 'f')
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low = ch - 'a' + 10;
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else
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break;
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*dst_ptr++ = high * 16 + low; //hex
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}
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}
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void Tool::str_to_hexstr(void *dst, const void *src, int src_len)
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{
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int i;
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BYTE low, high, ch;
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char *dst_ptr = (char *) dst;
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const char *src_ptr = (const char *) src;
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const char *str = "0123456789abcdef";
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for (i = 0; i < src_len; i++)
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{
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ch = *src_ptr++;
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high = (ch >> 4) & 0x0f;
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low = ch & 0x0f;
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*dst_ptr++ = str[high];
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*dst_ptr++ = str[low];
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}
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}
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int Tool::encode_blob(void *dst, int max_len, const void *src, int src_len)
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{
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int dst_len = 0;
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// may be changed to base64 encode
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if (max_len >= src_len * 2 + 1)
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{
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dst_len = src_len * 2;
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str_to_hexstr(dst, src, src_len);
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}
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((BYTE *) dst)[dst_len] = 0x00;
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return dst_len;
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}
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int Tool::decode_blob(void *dst, int max_len, const void *src)
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{
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// may be changed to base64 decode
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int src_len, dst_len = 0;
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src_len = strlen((char *) src);
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std::cout << "decode_blob src len "<< src_len<<std::endl;
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if (max_len >= src_len / 2)
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{
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dst_len = src_len / 2;
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hexstr_to_str(dst, src, src_len);
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}
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return dst_len;
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}
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void Tool::topic_split(const std::string& str, char delimiter,std::vector<std::string>& topic) {
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std::string token; // 临时存储每个子字符串
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std::istringstream tokenStream(str); // 使用字符串流处理输入字符串
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// 按分隔符逐个读取子字符串
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while (std::getline(tokenStream, token, delimiter)) {
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topic.push_back(token); // 将子字符串添加到结果中
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}
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}
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std::string Tool::now_to_string() {
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// 获取系统时钟时间点
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auto time_now = std::chrono::system_clock::now();
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// 将时间点转成time_t类型的值 (秒)
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std::time_t tt = std::chrono::system_clock::to_time_t(time_now);
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// 转换成tm结构体形式
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struct tm* ptm = gmtime(&tt); // 或者 localtime(&tt) 如果想要本地时间
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ptm->tm_hour += 8; //utc -> cst
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// 计算出毫秒部分
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long milliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(
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time_now.time_since_epoch()
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).count() % 1000;
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char buffer[40];
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strftime(buffer, sizeof(buffer), "%Y-%m-%dT%H:%M:%S", ptm);
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// 添加上毫秒和时区信息
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sprintf(buffer + strlen(buffer), ".%03ld+0800", milliseconds);
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return std::string(buffer);
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}
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time_t Tool::string_to_now(std::string stamp) {
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struct tm tm={};
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std::istringstream ss(stamp);
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ss >> std::get_time(&tm,"%Y-%m-%dT%H:%M:%S");
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if(ss.fail()){
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return -1;
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}
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return mktime(&tm);
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} |