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author | Andrew <forkk@forkk.net> | 2013-12-09 12:04:05 -0600 |
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committer | Andrew <forkk@forkk.net> | 2013-12-09 12:04:05 -0600 |
commit | 7f52bed9e3f559adcbcf3f3c1c7ac2251964db8c (patch) | |
tree | 52097b57dc7d18ec4e35ef3a8e554af2d91545e8 /mmc_updater/src/Log.cpp | |
parent | 9410dd042ea62224fa3e0eb3b525abbdf0c316ee (diff) | |
parent | 220e07aef4a34dca9f31ae0c5bb994e5c594125d (diff) | |
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Merge branch 'feature_updater' into develop
Diffstat (limited to 'mmc_updater/src/Log.cpp')
-rw-r--r-- | mmc_updater/src/Log.cpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/mmc_updater/src/Log.cpp b/mmc_updater/src/Log.cpp new file mode 100644 index 00000000..d4e5a214 --- /dev/null +++ b/mmc_updater/src/Log.cpp @@ -0,0 +1,65 @@ +#include "Log.h" + +#include "Platform.h" +#include "StringUtils.h" +#include "ProcessUtils.h" + +#include <string.h> +#include <iostream> + +Log m_globalLog; + +Log* Log::instance() +{ + return &m_globalLog; +} + +Log::Log() +{ +} + +Log::~Log() +{ +} + +void Log::open(const std::string& path) +{ + m_mutex.lock(); + m_output.open(path.c_str(),std::ios_base::out | std::ios_base::app); + m_mutex.unlock(); +} + +void Log::writeToStream(std::ostream& stream, Type type, const char* text) +{ + // Multiple processes may be writing to the same log file during + // an update. No attempt is made to synchronize access to the file. + // + // Under Unix, appends to a single file on a local FS by multiple writers should be atomic + // provided that the length of 'text' is less than PIPE_BUF + // + switch (type) + { + case Info: + stream << "INFO "; + break; + case Warn: + stream << "WARN "; + break; + case Error: + stream << "ERROR "; + break; + } + stream << '(' << intToStr(ProcessUtils::currentProcessId()) << ") " << text << std::endl; +} + +void Log::write(Type type, const char* text) +{ + m_mutex.lock(); + writeToStream(std::cerr,type,text); + if (m_output.is_open()) + { + writeToStream(m_output,type,text); + } + m_mutex.unlock(); +} + |