mirror of
https://github.com/facebook/sapling.git
synced 2024-10-11 01:07:15 +03:00
ca37294995
Summary: Introduce a framework that allows recording structured log events which are encoded as JSON and piped to a configured command line program. Reviewed By: pkaush Differential Revision: D18025183 fbshipit-source-id: ab6b4d510a905a30252f2cff85d107a0d32d149e
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This software may be used and distributed according to the terms of the
|
|
* GNU General Public License version 2.
|
|
*/
|
|
|
|
#include "eden/fs/telemetry/StructuredLogger.h"
|
|
|
|
#include <time.h>
|
|
#include <random>
|
|
|
|
namespace {
|
|
/**
|
|
* The log database populates the time field automatically.
|
|
*/
|
|
constexpr bool kExplicitTimeField = true;
|
|
|
|
uint32_t generateSessionId() {
|
|
std::random_device rd;
|
|
std::uniform_int_distribution<uint32_t> u;
|
|
return u(rd);
|
|
}
|
|
|
|
/**
|
|
* Returns a random, process-stable positive integer in the range of [0,
|
|
* UINT32_MAX]
|
|
*/
|
|
uint32_t getSessionId() {
|
|
static auto sessionId = generateSessionId();
|
|
return sessionId;
|
|
}
|
|
} // namespace
|
|
|
|
namespace facebook {
|
|
namespace eden {
|
|
|
|
StructuredLogger::StructuredLogger(bool enabled, SessionInfo sessionInfo)
|
|
: enabled_{enabled},
|
|
sessionId_{getSessionId()},
|
|
sessionInfo_{std::move(sessionInfo)} {}
|
|
|
|
DynamicEvent StructuredLogger::populateDefaultFields(const char* type) {
|
|
DynamicEvent event;
|
|
if (kExplicitTimeField) {
|
|
event.addInt("time", ::time(nullptr));
|
|
}
|
|
event.addInt("session_id", sessionId_);
|
|
event.addString("type", type);
|
|
event.addString("user", sessionInfo_.username);
|
|
event.addString("host", sessionInfo_.hostname);
|
|
event.addString("os", sessionInfo_.os);
|
|
event.addString("osver", sessionInfo_.osVersion);
|
|
event.addString("edenver", sessionInfo_.edenVersion);
|
|
return event;
|
|
}
|
|
|
|
} // namespace eden
|
|
} // namespace facebook
|