log4cpp-commits Mailing List for Log library for C++ (Page 2)

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- Log -----------------------------------------------------------------
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commit 626e36a137197405760e232faab8aafffc5a5f8e
Author: Alexander Perepelkin <san...@us...>
Date:   Sun Nov 6 14:58:28 2016 +0400

    bug-145: fix daily rolling; add manual test to see rolling

diff --git a/src/DailyRollingFileAppender.cpp b/src/DailyRollingFileAppender.cpp
index 5aef55a..74b2923 100644
--- a/src/DailyRollingFileAppender.cpp
+++ b/src/DailyRollingFileAppender.cpp
@@ -100,42 +100,42 @@ namespace log4cpp {
 			return;
 		for (int i = 0; i < nentries; i++) {
 			struct stat statBuf;
-			int res = ::stat(entries[i]->d_name, &statBuf);
+			const std::string fullfilename = dirname + PATHDELIMITER + entries[i]->d_name;
+			int res = ::stat(fullfilename.c_str(), &statBuf);
 			if ((res == -1) || (!S_ISREG(statBuf.st_mode))) {
 				free(entries[i]);
 				continue;
 			}
 			if (statBuf.st_mtime < oldest && strstr(entries[i]->d_name, filname.c_str())) {
-				const std::string fullfilename = dirname + PATHDELIMITER + entries[i]->d_name;
-				::unlink(fullfilename.c_str());
 				std::cout << " Deleting " << fullfilename.c_str() << std::endl;
+				::unlink(fullfilename.c_str());
 			}
 			free(entries[i]);
 		}
 		free(entries);
 #else
-    HANDLE hFind = INVALID_HANDLE_VALUE;

-    WIN32_FIND_DATA ffd;

-	const std::string pattern = _fileName + "*";

-

-    hFind = FindFirstFile(pattern.c_str(), &ffd);

-    if (hFind != INVALID_HANDLE_VALUE) {

-        do {

+    HANDLE hFind = INVALID_HANDLE_VALUE;
+    WIN32_FIND_DATA ffd;
+	const std::string pattern = _fileName + "*";
+
+    hFind = FindFirstFile(pattern.c_str(), &ffd);
+    if (hFind != INVALID_HANDLE_VALUE) {
+        do {
 			struct stat statBuf;
 			const std::string fullfilename = dirname + PATHDELIMITER + ffd.cFileName;
 			int res = ::stat(fullfilename.c_str(), &statBuf);
-            if (res != -1 && statBuf.st_mtime < oldest && !(ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {

-                std::cout << "Deleting " << fullfilename << "\n";

+            if (res != -1 && statBuf.st_mtime < oldest && !(ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
+                std::cout << "Deleting " << fullfilename << "\n";
 				::unlink(fullfilename.c_str());
-            }

-        } while (FindNextFile(hFind, &ffd) != 0);

-

-        if (GetLastError() != ERROR_NO_MORE_FILES) {

-			// [XXX] some kind of error happened

-        }

-		FindClose(hFind);

+            }
+        } while (FindNextFile(hFind, &ffd) != 0);
+
+        if (GetLastError() != ERROR_NO_MORE_FILES) {
+			// [XXX] some kind of error happened
+        }
+		FindClose(hFind);
 		hFind = INVALID_HANDLE_VALUE;
-	}

+	}
 #endif
 	}
 
diff --git a/tests/testDailyRollingFileAppender.cpp b/tests/testDailyRollingFileAppender.cpp
index c8b5a85..46d3fc0 100644
--- a/tests/testDailyRollingFileAppender.cpp
+++ b/tests/testDailyRollingFileAppender.cpp
@@ -1,10 +1,29 @@
 #include <log4cpp/Category.hh>
 #include <log4cpp/PropertyConfigurator.hh>
 #include <log4cpp/DailyRollingFileAppender.hh>
+#include <log4cpp/PatternLayout.hh>
+#include <log4cpp/OstreamAppender.hh>
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
 #include <iostream>
+#include <ctime>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <memory>
+#include <cstring>
+
+#include "PortabilityImpl.hh"
+#ifdef LOG4CPP_HAVE_IO_H
+#    include <io.h>
+#endif
+#ifdef LOG4CPP_HAVE_UNISTD_H
+#    include <unistd.h>
+#endif
+
+#ifndef WIN32    // only available on Win32
+#include <dirent.h>
+#endif
 
 #ifdef WIN32
 #pragma comment(lib, "Ws2_32.lib")
@@ -148,11 +167,146 @@ int testConfigDailyRollingFileAppender()
 	    return 0;
 }
 
+//  Note: this test changes system time. Run it only manually
+namespace OnlyManualTesting {
+
+	const char* absolutePathCategoryName = "absolutePathCategory";
+	const int maxDaysToKeep = 3;
+
+#if defined(WIN32)
+    const char *logFilename = "C:/Temp/log4cpp/dailyrolling_abs_path_file.log";
+    const char *logPathname = "C:/Temp/log4cpp";
+#else
+    const char *logFilename = "/var/log/log4cpp/dailyrolling_abs_path_file.log";
+    const char *logPathname = "/var/log/log4cpp";
+#endif
+
+    void setupManualEntryLog() {
+		if (access(logPathname, F_OK) != 0) {
+			mkdir(logPathname, 644);
+		}
+
+		log4cpp::PatternLayout *ostreamLayout = new log4cpp::PatternLayout();
+		ostreamLayout->setConversionPattern("%d: %p %c %x: %m %n");
+		log4cpp::Appender *ostreamAppender = new log4cpp::OstreamAppender("ostreamAppender", &std::cout);
+		ostreamAppender->setLayout(ostreamLayout);
+
+		log4cpp::PatternLayout *fileLayout = new log4cpp::PatternLayout();
+		fileLayout->setConversionPattern("%d: %p %c %x: %m %n");
+		log4cpp::Appender *fileAppender = new log4cpp::DailyRollingFileAppender("fileAppender", logFilename, maxDaysToKeep);
+		fileAppender->setLayout(fileLayout);
+
+		log4cpp::Category& absolutePathCategory =
+				log4cpp::Category::getInstance(std::string(absolutePathCategoryName));
+		absolutePathCategory.setAdditivity(false);
+
+		absolutePathCategory.addAppender(ostreamAppender);
+		absolutePathCategory.addAppender(fileAppender);
+		absolutePathCategory.setPriority(log4cpp::Priority::DEBUG);
+	}
+
+    int checkThatNoMoreThanNLogFilesPresent(const std::string _fileName, int n);
+
+	int makeManualEntryLog()
+	{
+		const int totalLinesCount = 14, linesPerDay=3, jumpPeriod=24*60*60 + 1;
+		int i = 0, future = 0;
+
+		log4cpp::Category& absolutePathCategory =
+				log4cpp::Category::getInstance(std::string(absolutePathCategoryName));
+
+		// 1. update system time (eg: use 'date' command on Linux) manually when test program is running here (at least 4 times)
+        absolutePathCategory.debugStream() << "debug line " << i;
+		while (++i <= totalLinesCount) {
+			if (i % linesPerDay == 0) {
+				time_t  now;
+				if (time(&now) == -1)
+					return -1;
+				now += jumpPeriod;
+				future += jumpPeriod;
+				if (stime(&now) == -1) {
+					std::cerr << "Can not set date. Need admin privileges?" << std::endl;
+					return -1;
+				}
+			}
+            absolutePathCategory.debugStream() << "debug line " << i;
+		}
+
+		time_t  now;
+		if (time(&now) == -1)
+			return -1;
+		now -= future;
+		if (stime(&now) == -1) {
+			std::cerr << "Can not set date. Need admin privileges?" << std::endl;
+			return -1;
+		}
+
+        // 2. check the number of files in /var/log/log4cpp ( <= maxDaysToKeep) (+1 to allow consequent runs of test)
+        if (checkThatNoMoreThanNLogFilesPresent(std::string(logFilename), maxDaysToKeep + 1) == -1)
+            return -1;
+
+		return 0;
+	}
+
+//  Note: this test changes system time. Run it only manually
+    int checkThatNoMoreThanNLogFilesPresent(const std::string _fileName, int n) {
+        // iterate over files around log file and count files with same prefix
+        const std::string::size_type last_delimiter = _fileName.rfind(PATHDELIMITER);
+        const std::string dirname((last_delimiter == std::string::npos)? "." : _fileName.substr(0, last_delimiter));
+        const std::string filname((last_delimiter == std::string::npos)? _fileName : _fileName.substr(last_delimiter+1, _fileName.size()-last_delimiter-1));
+        int logFilesCount(0);
+#ifndef WIN32    // only available on Win32
+        struct dirent **entries;
+        int nentries = scandir(dirname.c_str(), &entries, 0, alphasort);
+        if (nentries < 0)
+            return -1;
+        for (int i = 0; i < nentries; i++) {
+            if (strstr(entries[i]->d_name, filname.c_str())) {
+                ++logFilesCount;
+            }
+            free(entries[i]);
+        }
+        free(entries);
+#else
+    HANDLE hFind = INVALID_HANDLE_VALUE;
+    WIN32_FIND_DATA ffd;
+	const std::string pattern = _fileName + "*";
+
+    hFind = FindFirstFile(pattern.c_str(), &ffd);
+    if (hFind != INVALID_HANDLE_VALUE) {
+        do {
+            if (!(ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
+                ++logFilesCount;
+            }
+        } while (FindNextFile(hFind, &ffd) != 0);
+		FindClose(hFind);
+		hFind = INVALID_HANDLE_VALUE;
+	}
+#endif
+        if (logFilesCount > n) {
+            std::cerr << "Too many log files in the dir " << dirname << ": " << logFilesCount << std::endl;
+        } else {
+            std::cout << "Daily log files in the dir " << dirname << ": " << logFilesCount << std::endl;
+        }
+
+        return (logFilesCount <= n) ? 0 : -1;
+    }
+
+	int testDailyRollingFileAppenderChangeDateManualOnly() {
+		setupManualEntryLog();
+		return makeManualEntryLog();
+	}
+}
+
 int main()
 {
 	int res = testOnlyDailyRollingFileAppender();
 	if (!res)
 		res = testConfigDailyRollingFileAppender();
 
+//  Note: this test changes system time. Run it only manually
+//	if (!res)
+//		res = OnlyManualTesting::testDailyRollingFileAppenderChangeDateManualOnly();
+
 	return res;
 }

-----------------------------------------------------------------------

Summary of changes:
 src/DailyRollingFileAppender.cpp       |   40 ++++----
 tests/testDailyRollingFileAppender.cpp |  154 ++++++++++++++++++++++++++++++++
 2 files changed, 174 insertions(+), 20 deletions(-)


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