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/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "StatisticsRequest.h"
#include "ImmutableArray.h"
#include "MutableDictionary.h"
#include <wtf/Threading.h>
namespace WebKit {
StatisticsRequest::StatisticsRequest(PassRefPtr<DictionaryCallback> callback)
: m_callback(callback)
{
}
StatisticsRequest::~StatisticsRequest()
{
if (m_callback)
m_callback->invalidate();
}
uint64_t StatisticsRequest::addOutstandingRequest()
{
static int64_t uniqueRequestID;
#if HAVE(ATOMICS_64BIT)
uint64_t requestID = atomicIncrement(&uniqueRequestID);
#else
static Mutex uniqueRequestMutex;
uniqueRequestMutex.lock();
uint64_t requestID = ++uniqueRequestID;
uniqueRequestMutex.unlock();
#endif
m_outstandingRequests.add(requestID);
return requestID;
}
static void addToDictionaryFromHashMap(MutableDictionary* dictionary, const HashMap<String, uint64_t>& map)
{
HashMap<String, uint64_t>::const_iterator end = map.end();
for (HashMap<String, uint64_t>::const_iterator it = map.begin(); it != end; ++it)
dictionary->set(it->key, RefPtr<WebUInt64>(WebUInt64::create(it->value)).get());
}
static PassRefPtr<MutableDictionary> createDictionaryFromHashMap(const HashMap<String, uint64_t>& map)
{
RefPtr<MutableDictionary> result = MutableDictionary::create();
addToDictionaryFromHashMap(result.get(), map);
return result;
}
void StatisticsRequest::completedRequest(uint64_t requestID, const StatisticsData& data)
{
ASSERT(m_outstandingRequests.contains(requestID));
m_outstandingRequests.remove(requestID);
if (!m_responseDictionary)
m_responseDictionary = MutableDictionary::create();
// FIXME (Multi-WebProcess) <rdar://problem/13200059>: This code overwrites any previous response data received.
// When getting responses from multiple WebProcesses we need to combine items instead of clobbering them.
addToDictionaryFromHashMap(m_responseDictionary.get(), data.statisticsNumbers);
if (!data.javaScriptProtectedObjectTypeCounts.isEmpty())
m_responseDictionary->set("JavaScriptProtectedObjectTypeCounts", createDictionaryFromHashMap(data.javaScriptProtectedObjectTypeCounts).get());
if (!data.javaScriptObjectTypeCounts.isEmpty())
m_responseDictionary->set("JavaScriptObjectTypeCounts", createDictionaryFromHashMap(data.javaScriptObjectTypeCounts).get());
size_t cacheStatisticsCount = data.webCoreCacheStatistics.size();
if (cacheStatisticsCount) {
Vector<RefPtr<APIObject> > cacheStatisticsVector(cacheStatisticsCount);
for (size_t i = 0; i < cacheStatisticsCount; ++i)
cacheStatisticsVector[i] = createDictionaryFromHashMap(data.webCoreCacheStatistics[i]);
m_responseDictionary->set("WebCoreCacheStatistics", ImmutableArray::adopt(cacheStatisticsVector).get());
}
if (m_outstandingRequests.isEmpty()) {
m_callback->performCallbackWithReturnValue(m_responseDictionary.get());
m_callback = 0;
}
}
} // namespace WebKit
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