mirror of
https://github.com/facebook/sapling.git
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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
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#include "eden/fs/telemetry/LogEvent.h"
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#include <folly/Conv.h>
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#include <folly/Unicode.h>
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#include <folly/logging/xlog.h>
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namespace {
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void validateUtf8(folly::StringPiece sp) {
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auto* p = reinterpret_cast<const unsigned char*>(sp.begin());
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auto* const end = reinterpret_cast<const unsigned char*>(sp.end());
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while (p < end) {
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(void)folly::utf8ToCodePoint(p, end, false);
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}
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}
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} // namespace
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namespace facebook {
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namespace eden {
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void DynamicEvent::addInt(std::string name, int64_t value) {
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auto [iter, inserted] = ints_.emplace(std::move(name), value);
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if (!inserted) {
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throw std::logic_error(folly::to<std::string>(
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"Attempted to insert duplicate int: ", iter->first));
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}
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}
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void DynamicEvent::addString(std::string name, std::string value) {
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validateUtf8(value);
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auto [iter, inserted] = strings_.emplace(std::move(name), std::move(value));
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if (!inserted) {
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throw std::logic_error(folly::to<std::string>(
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"Attempted to insert duplicate string: ", iter->first));
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}
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}
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void DynamicEvent::addDouble(std::string name, double value) {
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XCHECK(std::isfinite(value))
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<< "Attempted to insert double-precision value that cannot be represented in JSON: "
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<< name;
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auto [iter, inserted] = doubles_.emplace(std::move(name), value);
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if (!inserted) {
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throw std::logic_error(folly::to<std::string>(
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"Attempted to insert duplicate double: ", iter->first));
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}
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}
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} // namespace eden
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} // namespace facebook
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