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39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
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//
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// This file is part of Easylogging++ samples
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//
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// Demonstration on possible usage of pre-rollout handler
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//
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// Revision: 1.1
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// @author mkhan3189
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//
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#include "easylogging++.h"
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INITIALIZE_EASYLOGGINGPP
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static unsigned int idx;
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void rolloutHandler(const char* filename, std::size_t size) {
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// SHOULD NOT LOG ANYTHING HERE BECAUSE LOG FILE IS CLOSED!
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std::cout << "************** Rolling out [" << filename << "] because it reached [" << size << " bytes]" << std::endl;
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// BACK IT UP
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std::stringstream ss;
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ss << "mv " << filename << " bin/log-backup-" << ++idx;
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system(ss.str().c_str());
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}
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int main(int, char**) {
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idx = 0;
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el::Loggers::addFlag(el::LoggingFlag::StrictLogFileSizeCheck);
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el::Loggers::reconfigureAllLoggers(el::ConfigurationType::Filename, "/tmp/logs/max-size.log");
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el::Loggers::reconfigureAllLoggers(el::ConfigurationType::MaxLogFileSize, "100");
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el::Helpers::installPreRollOutCallback(rolloutHandler);
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for (int i = 0; i < 100; ++i)
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LOG(INFO) << "Test";
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el::Helpers::uninstallPreRollOutCallback();
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return 0;
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}
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