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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef TelemetryCommon_h__
#define TelemetryCommon_h__
#include "nsTHashtable.h"
#include "jsapi.h"
#include "nsIScriptError.h"
namespace mozilla {
namespace Telemetry {
namespace Common {
template<class EntryType>
class AutoHashtable : public nsTHashtable<EntryType>
{
public:
explicit AutoHashtable(uint32_t initLength =
PLDHashTable::kDefaultInitialLength);
typedef bool (*ReflectEntryFunc)(EntryType *entry, JSContext *cx, JS::Handle<JSObject*> obj);
bool ReflectIntoJS(ReflectEntryFunc entryFunc, JSContext *cx, JS::Handle<JSObject*> obj);
};
template<class EntryType>
AutoHashtable<EntryType>::AutoHashtable(uint32_t initLength)
: nsTHashtable<EntryType>(initLength)
{
}
/**
* Reflect the individual entries of table into JS, usually by defining
* some property and value of obj. entryFunc is called for each entry.
*/
template<typename EntryType>
bool
AutoHashtable<EntryType>::ReflectIntoJS(ReflectEntryFunc entryFunc,
JSContext *cx, JS::Handle<JSObject*> obj)
{
for (auto iter = this->Iter(); !iter.Done(); iter.Next()) {
if (!entryFunc(iter.Get(), cx, obj)) {
return false;
}
}
return true;
}
bool IsExpiredVersion(const char* aExpiration);
bool IsInDataset(uint32_t aDataset, uint32_t aContainingDataset);
bool CanRecordDataset(uint32_t aDataset, bool aCanRecordBase, bool aCanRecordExtended);
/**
* Return the number of milliseconds since process start using monotonic
* timestamps (unaffected by system clock changes).
*
* @return NS_OK on success, NS_ERROR_NOT_AVAILABLE if TimeStamp doesn't have the data.
*/
nsresult MsSinceProcessStart(double* aResult);
/**
* Dumps a log message to the Browser Console using the provided level.
*
* @param aLogLevel The level to use when displaying the message in the browser console
* (e.g. nsIScriptError::warningFlag, ...).
* @param aMsg The text message to print to the console.
*/
void LogToBrowserConsole(uint32_t aLogLevel, const nsAString& aMsg);
} // namespace Common
} // namespace Telemetry
} // namespace mozilla
#endif // TelemetryCommon_h__
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