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Support systemd log severity prefixes

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This is mostly useful for hydra-queue-runner.
This commit is contained in:
Eelco Dolstra 2015-07-20 01:39:48 +02:00
parent b3491c781c
commit db55940d9e
3 changed files with 18 additions and 1 deletions
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12
src/libutil/util.cc
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@ -477,12 +477,24 @@ void printMsg_(Verbosity level, const FormatOrString & fs)
{
checkInterrupt();
if (level > verbosity) return;
string prefix;
if (logType == ltPretty)
for (int i = 0; i < nestingLevel; i++)
prefix += "| ";
else if (logType == ltEscapes && level != lvlInfo)
prefix = "\033[" + escVerbosity(level) + "s";
else if (logType == ltSystemd) {
char c;
switch (level) {
case lvlError: c = '3'; break;
case lvlInfo: c = '5'; break;
case lvlTalkative: case lvlChatty: c = '6'; break;
default: c = '7';
}
prefix = string("<") + c + ">";
}
string s = (format("%1%%2%\n") % prefix % fs.s).str();
if (!isatty(STDERR_FILENO)) s = filterANSIEscapes(s);
writeToStderr(s);