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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/trace/trace.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <sys/time.h>
namespace vespalib {
Trace::Trace(const Trace &rhs)
: _root(),
_level(rhs._level)
{
if (!rhs.isEmpty()) {
_root = std::make_unique<TraceNode>(rhs.getRoot());
}
}
bool
Trace::trace(uint32_t level, const string ¬e, bool addTime)
{
if (!shouldTrace(level)) {
return false;
}
if (addTime) {
struct timeval tv;
gettimeofday(&tv, nullptr);
ensureRoot().addChild(make_string("[%ld.%06ld] %s", tv.tv_sec, static_cast<long>(tv.tv_usec), note.c_str()));
} else {
ensureRoot().addChild(note);
}
return true;
}
string
Trace::toString(size_t limit) const {
return _root ? _root->toString(limit) : "";
}
string
Trace::encode() const {
return isEmpty() ? "" : getRoot().encode();
}
void
Trace::clear() {
_level = 0;
_root.reset();
}
TraceNode &
Trace::ensureRoot() {
if (!_root) {
_root = std::make_unique<TraceNode>();
}
return *_root;
}
} // namespace vespalib
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