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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <time.h>
#include <sys/stat.h>
#include <assert.h>
#include <vespa/log/log.h>
#include <vespa/log/control-file.h>
LOG_SETUP("logdemon");
LOG_RCSID("$Id$");
#include "service.h"
namespace logdemon {
unsigned long Component::defFwd = (unsigned long)-1;
void
Component::doLogAtAll(LogLevel level)
{
using ns_log::ControlFile;
char lcfn[FILENAME_MAX];
if (! ControlFile::makeName(_myservice, lcfn, FILENAME_MAX)) {
LOG(debug, "no logcontrol file for service '%s'", _myservice);
return;
}
try {
ControlFile foo(lcfn, ControlFile::READWRITE);
unsigned int *lstring = foo.getLevels(_logctlname);
lstring[level] = CHARS_TO_UINT(' ', ' ', 'O', 'N');
} catch (...) {
LOG(debug, "exception changing logcontrol for %s", _myservice);
}
}
void
Component::dontLogAtAll(LogLevel level)
{
using ns_log::ControlFile;
char lcfn[FILENAME_MAX];
if (! ControlFile::makeName(_myservice, lcfn, FILENAME_MAX)) {
LOG(debug, "no logcontrol file for service '%s'", _myservice);
return;
}
try {
ControlFile foo(lcfn, ControlFile::READWRITE);
unsigned int *lstring = foo.getLevels(_logctlname);
lstring[level] = CHARS_TO_UINT(' ', 'O', 'F', 'F');
} catch (...) {
LOG(debug, "exception changing logcontrol for %s", _myservice);
}
}
bool
Component::shouldLogAtAll(LogLevel level)
{
using ns_log::ControlFile;
char lcfn[FILENAME_MAX];
if (! ControlFile::makeName(_myservice, lcfn, FILENAME_MAX)) {
LOG(spam, "no logcontrol file for service '%s'", _myservice);
return true;
}
try {
ControlFile foo(lcfn, ControlFile::READWRITE);
unsigned int *lstring = foo.getLevels(_logctlname);
if (lstring[level] == CHARS_TO_UINT(' ', ' ', 'O', 'N'))
return true;
else
return false;
} catch (...) {
LOG(debug, "exception checking logcontrol for %s", _myservice);
}
return true;
}
Service::~Service()
{
CompIter it = _components.iterator();
while (it.valid()) {
delete it.value();
it.next();
}
free(_myname);
}
Services::~Services()
{
ServIter it = _services.iterator();
while (it.valid()) {
delete it.value();
it.next();
}
}
void
Services::dumpState(int fildesc)
{
using ns_log::Logger;
ServIter sit = _services.iterator();
while (sit.valid()) {
Service *svc = sit.value();
CompIter it = svc->_components.iterator();
while (it.valid()) {
Component *cmp = it.value();
char buf[1024];
int pos = snprintf(buf, 1024, "setstate %s %s ",
sit.key(), it.key());
for (int i = 0; pos < 1000 && i < Logger::NUM_LOGLEVELS; i++) {
LogLevel l = static_cast<LogLevel>(i);
pos += snprintf(buf+pos, 1024-pos, "%s=%s,",
Logger::logLevelNames[i],
cmp->shouldForward(l) ? "forward" : "store");
}
if (pos < 1000) {
buf[pos-1]='\n';
write(fildesc, buf, pos);
} else {
LOG(warning, "buffer to small to dumpstate[%s, %s]",
sit.key(), it.key());
}
it.next();
}
sit.next();
}
}
} // namespace
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