Initial commit.

2025-12-21 21:45:39 +08:00 · 2017-04-20 20:51:30 +01:00
commit c04c3e1aef
34 changed files with 4633 additions and 0 deletions
--- a/Log.cpp
+++ b/Log.cpp
@@ -0,0 +1,136 @@
+/*
+ *   Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "Log.h"
+
+#if defined(_WIN32) || defined(_WIN64)
+#include <Windows.h>
+#else
+#include <sys/time.h>
+#endif
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstdarg>
+#include <ctime>
+#include <cassert>
+#include <cstring>
+
+static unsigned int m_fileLevel = 2U;
+static std::string m_filePath;
+static std::string m_fileRoot;
+
+static FILE* m_fpLog = NULL;
+
+static unsigned int m_displayLevel = 2U;
+
+static struct tm m_tm;
+
+static char LEVELS[] = " DMIWEF";
+
+static bool LogOpen()
+{
+	if (m_fileLevel == 0U)
+		return true;
+
+	time_t now;
+	::time(&now);
+
+	struct tm* tm = ::gmtime(&now);
+
+	if (tm->tm_mday == m_tm.tm_mday && tm->tm_mon == m_tm.tm_mon && tm->tm_year == m_tm.tm_year) {
+		if (m_fpLog != NULL)
+		    return true;
+	} else {
+		if (m_fpLog != NULL)
+			::fclose(m_fpLog);
+	}
+
+	char filename[100U];
+#if defined(_WIN32) || defined(_WIN64)
+	::sprintf(filename, "%s\\%s-%04d-%02d-%02d.log", m_filePath.c_str(), m_fileRoot.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
+#else
+	::sprintf(filename, "%s/%s-%04d-%02d-%02d.log", m_filePath.c_str(), m_fileRoot.c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
+#endif
+
+	m_fpLog = ::fopen(filename, "a+t");
+	m_tm = *tm;
+
+    return m_fpLog != NULL;
+}
+
+bool LogInitialise(const std::string& filePath, const std::string& fileRoot, unsigned int fileLevel, unsigned int displayLevel)
+{
+	m_filePath     = filePath;
+	m_fileRoot     = fileRoot;
+	m_fileLevel    = fileLevel;
+	m_displayLevel = displayLevel;
+    return ::LogOpen();
+}
+
+void LogFinalise()
+{
+    if (m_fpLog != NULL)
+        ::fclose(m_fpLog);
+}
+
+void Log(unsigned int level, const char* fmt, ...)
+{
+    assert(fmt != NULL);
+
+	char buffer[300U];
+#if defined(_WIN32) || defined(_WIN64)
+	SYSTEMTIME st;
+	::GetSystemTime(&st);
+
+	::sprintf(buffer, "%c: %04u-%02u-%02u %02u:%02u:%02u.%03u ", LEVELS[level], st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
+#else
+	struct timeval now;
+	::gettimeofday(&now, NULL);
+
+	struct tm* tm = ::gmtime(&now.tv_sec);
+
+	::sprintf(buffer, "%c: %04d-%02d-%02d %02d:%02d:%02d.%03lu ", LEVELS[level], tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, now.tv_usec / 1000U);
+#endif
+
+	va_list vl;
+	va_start(vl, fmt);
+
+	::vsprintf(buffer + ::strlen(buffer), fmt, vl);
+
+	va_end(vl);
+
+	if (level >= m_fileLevel && m_fileLevel != 0U) {
+		bool ret = ::LogOpen();
+		if (!ret)
+			return;
+
+		::fprintf(m_fpLog, "%s\n", buffer);
+		::fflush(m_fpLog);
+	}
+
+	if (level >= m_displayLevel && m_displayLevel != 0U) {
+		::fprintf(stdout, "%s\n", buffer);
+		::fflush(stdout);
+	}
+
+	if (level == 6U) {		// Fatal
+        ::fclose(m_fpLog);
+        exit(1);
+    }
+}