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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "trace.h"
#include <vespa/vespalib/trace/slime_trace_serializer.h>
#include <vespa/vespalib/trace/slime_trace_deserializer.h>
#include <vespa/vespalib/data/slime/slime.h>
#include <vespa/vespalib/data/simple_buffer.h>
using namespace vespalib;
using namespace vespalib::slime;
namespace config {
struct SystemClock : public Clock
{
vespalib::system_time currentTime() const override {
return vespalib::system_clock::now();
}
};
static SystemClock systemClock;
const Memory Trace::TRACELOG("traceLog");
const Memory Trace::TRACELEVEL("traceLevel");
Trace::Trace(const Trace & other)
: _root(other._root),
_traceLevel(other._traceLevel),
_clock(other._clock)
{
}
Trace::Trace()
: _root(),
_traceLevel(0),
_clock(systemClock)
{
}
Trace::Trace(uint32_t traceLevel)
: _traceLevel(traceLevel),
_clock(systemClock)
{
}
Trace::Trace(uint32_t traceLevel, const Clock & clock)
: _traceLevel(traceLevel),
_clock(clock)
{
}
void
Trace::deserialize(const Inspector & inspector)
{
_traceLevel = inspector[TRACELEVEL].asLong();
deserializeTraceLog(inspector[TRACELOG]);
}
void
Trace::deserializeTraceLog(const Inspector & root)
{
SlimeTraceDeserializer deserializer(root);
_root = deserializer.deserialize();
}
bool
Trace::shouldTrace(uint32_t level) const
{
return (level <= _traceLevel);
}
void
Trace::trace(uint32_t level, const vespalib::string & message)
{
if (shouldTrace(level)) {
_root.addChild(message, _clock.currentTime());
}
}
void
Trace::serialize(Cursor & cursor) const
{
cursor.setLong(TRACELEVEL, _traceLevel);
SlimeTraceSerializer serializer(cursor.setObject(TRACELOG));
_root.accept(serializer);
}
void
Trace::serializeTraceLog(Cursor & array) const
{
for (uint32_t i(0); i < _root.getNumChildren(); i++) {
SlimeTraceSerializer serializer(array.addObject());
_root.getChild(i).accept(serializer);
}
}
vespalib::string
Trace::toString() const
{
Slime slime;
serializeTraceLog(slime.setArray());
SimpleBuffer buf;
JsonFormat::encode(slime.get(), buf, false);
return buf.get().make_string();
}
} // namespace config
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