更新:1、增加日志模块,将标准输出信息写入到日志文件;
2、将RadarPara中DATA_RATE_TAS的单位由Hz改为s; 3、修复TAS_Ctrl::tas_beam_output函数中给Tracking_beam->TAS_track_index赋值错误的问题; Signed-off-by: waiwaylee <waiwaylee@foxmail.com>
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#include "rdp_log.h"
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#include "parameters.h"
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#include <fstream>
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#include <sstream>
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#include <time.h>
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#include <direct.h>
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namespace
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{
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//日志模块内部状态:日志文件流 + 重定向前 std::cout 的原始缓冲区
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struct RdpLogState
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{
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std::ofstream file; //日志文件输出流
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std::streambuf *original_buf; //重定向前 std::cout 的原始缓冲区
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bool enabled; //是否已成功重定向到日志文件
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RdpLogState() : original_buf(0), enabled(false) {}
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~RdpLogState()
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{
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//进程退出兜底:若宿主进程未调用 Data_Process_Factory::Destroy(),
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//此处恢复 std::cout,避免其仍指向即将析构的日志文件流缓冲区。
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if (enabled && original_buf)
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{
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std::cout.rdbuf(original_buf);
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enabled = false;
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}
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}
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};
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RdpLogState &State()
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{
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static RdpLogState s;
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return s;
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}
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//当前本地时间字符串,格式 "YYYY-MM-DD HH:MM:SS"
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std::string CurrentTime()
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{
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char buf[32] = {0};
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time_t now = time(NULL);
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struct tm local;
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if (localtime_s(&local, &now) != 0)
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{
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return std::string();
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}
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strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &local);
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return std::string(buf);
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}
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//提取纯文件名(去掉路径前缀),日志前缀中只显示 文件名:行号
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const char *FileName(const char *path)
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{
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if (path == 0)
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{
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return "";
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}
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const char *base = path;
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for (const char *p = path; *p != '\0'; ++p)
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{
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if (*p == '\\' || *p == '/')
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{
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base = p + 1;
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}
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}
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return base;
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}
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}
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namespace rdp_log
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{
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bool Init()
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{
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RdpLogState &st = State();
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if (st.enabled)
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{
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return true; //已经重定向,避免重复初始化
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}
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#ifdef RDP_LOG_ENABLE
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//创建日志目录(目录已存在时 _mkdir 返回 EEXIST,忽略)
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std::string log_dir = RDP_LOG_DIR;
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while (log_dir.size() > 0 &&
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(log_dir[log_dir.size() - 1] == '\\' || log_dir[log_dir.size() - 1] == '/'))
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{
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log_dir.erase(log_dir.size() - 1);
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}
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if (log_dir.size() > 0)
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{
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_mkdir(log_dir.c_str());
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}
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//按当前日期+时间生成日志文件名:rdp_YYYYMMDD_HHMMSS.log
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char time_buf[32] = {0};
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time_t now = time(NULL);
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struct tm local;
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if (localtime_s(&local, &now) != 0)
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{
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return false;
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}
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strftime(time_buf, sizeof(time_buf), "%Y%m%d_%H%M%S", &local);
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std::string log_path = RDP_LOG_DIR;
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log_path += "rdp_";
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log_path += time_buf;
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log_path += ".log";
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st.file.open(log_path.c_str(), std::ios::out | std::ios::trunc);
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if (!st.file.is_open())
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{
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//日志文件打开失败(目录不可写等):保持控制台输出,不做重定向
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std::cout << "[rdp_log] cannot open log file: " << log_path << std::endl;
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return false;
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}
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//用 rdbuf() 将 std::cout 的流缓冲区替换为日志文件输出流
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st.original_buf = std::cout.rdbuf();
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std::cout.rdbuf(st.file.rdbuf());
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st.enabled = true;
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//重定向成功后写入起始标记(该行已写入日志文件)
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std::cout << prefix(__FILE__, __LINE__)
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<< "rdp_log enabled, log file: " << log_path << std::endl;
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return true;
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#else
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//日志开关关闭:不重定向,日志仍输出到标准输出
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return false;
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#endif
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}
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void Shutdown()
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{
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RdpLogState &st = State();
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if (!st.enabled)
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{
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return;
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}
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//写入结束标记后刷新、恢复 std::cout 并关闭日志文件
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std::cout << prefix(__FILE__, __LINE__) << "rdp_log shutdown" << std::endl;
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st.file.flush();
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std::cout.rdbuf(st.original_buf);
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st.enabled = false;
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st.file.close();
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}
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std::string prefix(const char *file, int line)
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{
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std::ostringstream oss;
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oss << "[" << CurrentTime() << "][" << FileName(file) << ":" << line << "] ";
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return oss.str();
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}
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}
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