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add simple log rotating, tentative Ripple pathfinder work

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This commit is contained in:
MJK
2012-09-27 13:49:37 -07:00
parent 5a49b696ad
commit 1ffe841be5
7 changed files with 79 additions and 2 deletions
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46
src/Log.cpp
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@@ -10,6 +10,8 @@ boost::recursive_mutex Log::sLock;
LogSeverity Log::sMinSeverity = lsINFO;
std::ofstream* Log::outStream = NULL;
boost::filesystem::path *Log::pathToLog = NULL;
uint32 Log::logRotateCounter = 0;
Log::~Log()
{
@@ -31,6 +33,48 @@ Log::~Log()
(*outStream) << logMsg << std::endl;
}
std::string Log::rotateLog(void)
{
boost::recursive_mutex::scoped_lock sl(sLock);
boost::filesystem::path abs_path;
std::string abs_path_str;
uint32 failsafe = 0;
std::string abs_new_path_str;
do {
std::string s;
std::stringstream out;
failsafe++;
if (failsafe == std::numeric_limits<uint32>::max()) {
return "unable to create new log file; too many log files!";
}
abs_path = boost::filesystem::absolute("");
abs_path /= *pathToLog;
abs_path_str = abs_path.parent_path().string();
out << logRotateCounter;
s = out.str();
abs_new_path_str = abs_path_str + "/" + s + + "_" + pathToLog->filename().string();
logRotateCounter++;
} while (boost::filesystem::exists(boost::filesystem::path(abs_new_path_str)));
outStream->close();
boost::filesystem::rename(abs_path, boost::filesystem::path(abs_new_path_str));
setLogFile(*pathToLog);
return abs_new_path_str;
}
void Log::setMinSeverity(LogSeverity s)
{
boost::recursive_mutex::scoped_lock sl(sLock);
@@ -52,4 +96,6 @@ void Log::setLogFile(boost::filesystem::path path)
outStream = newStream;
if (outStream)
Log(lsINFO) << "Starting up";
pathToLog = new boost::filesystem::path(path);
}