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https://github.com/mozilla/gecko-dev.git
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e722331494
Updates the core Telemetry code to use the new headers and support the extension process. TelemetryHistogram is not cleanly refactored here; doing this uncovered a few time consuming issues with the various lookup code paths.
102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef TelemetryCommon_h__
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#define TelemetryCommon_h__
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#include "nsTHashtable.h"
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#include "jsapi.h"
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#include "nsIScriptError.h"
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#include "nsXULAppAPI.h"
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#include "mozilla/TypedEnumBits.h"
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#include "mozilla/TelemetryProcessEnums.h"
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namespace mozilla {
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namespace Telemetry {
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namespace Common {
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enum class RecordedProcessType : uint32_t {
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Main = (1 << GeckoProcessType_Default), // Also known as "parent process"
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Content = (1 << GeckoProcessType_Content),
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Gpu = (1 << GeckoProcessType_GPU),
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AllChilds = 0xFFFFFFFF - 1, // All the children processes (i.e. content, gpu, ...)
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All = 0xFFFFFFFF // All the processes
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};
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MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(RecordedProcessType);
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template<class EntryType>
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class AutoHashtable : public nsTHashtable<EntryType>
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{
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public:
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explicit AutoHashtable(uint32_t initLength =
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PLDHashTable::kDefaultInitialLength);
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typedef bool (*ReflectEntryFunc)(EntryType *entry, JSContext *cx, JS::Handle<JSObject*> obj);
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bool ReflectIntoJS(ReflectEntryFunc entryFunc, JSContext *cx, JS::Handle<JSObject*> obj);
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};
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template<class EntryType>
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AutoHashtable<EntryType>::AutoHashtable(uint32_t initLength)
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: nsTHashtable<EntryType>(initLength)
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{
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}
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/**
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* Reflect the individual entries of table into JS, usually by defining
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* some property and value of obj. entryFunc is called for each entry.
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*/
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template<typename EntryType>
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bool
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AutoHashtable<EntryType>::ReflectIntoJS(ReflectEntryFunc entryFunc,
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JSContext *cx, JS::Handle<JSObject*> obj)
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{
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for (auto iter = this->Iter(); !iter.Done(); iter.Next()) {
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if (!entryFunc(iter.Get(), cx, obj)) {
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return false;
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}
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}
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return true;
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}
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bool IsExpiredVersion(const char* aExpiration);
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bool IsInDataset(uint32_t aDataset, uint32_t aContainingDataset);
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bool CanRecordDataset(uint32_t aDataset, bool aCanRecordBase, bool aCanRecordExtended);
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bool CanRecordInProcess(RecordedProcessType aProcesses, GeckoProcessType aProcess);
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bool CanRecordInProcess(RecordedProcessType aProcesses, ProcessID aProcess);
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/**
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* Return the number of milliseconds since process start using monotonic
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* timestamps (unaffected by system clock changes).
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*
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* @return NS_OK on success, NS_ERROR_NOT_AVAILABLE if TimeStamp doesn't have the data.
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*/
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nsresult MsSinceProcessStart(double* aResult);
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/**
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* Dumps a log message to the Browser Console using the provided level.
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*
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* @param aLogLevel The level to use when displaying the message in the browser console
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* (e.g. nsIScriptError::warningFlag, ...).
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* @param aMsg The text message to print to the console.
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*/
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void LogToBrowserConsole(uint32_t aLogLevel, const nsAString& aMsg);
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/**
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* Get the name string for a ProcessID.
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* This is the name we use for the Telemetry payloads.
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*/
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const char* GetNameForProcessID(ProcessID process);
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/**
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* Get the GeckoProcessType for a ProcessID.
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* Telemetry distinguishes between more process types than the GeckoProcessType,
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* so the mapping is not direct.
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*/
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GeckoProcessType GetGeckoProcessType(ProcessID process);
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} // namespace Common
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} // namespace Telemetry
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} // namespace mozilla
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#endif // TelemetryCommon_h__
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