1/*
2 * Copyright (C) 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "StatisticsRequest.h"
28
29#include "APIArray.h"
30#include "APIDictionary.h"
31
32namespace WebKit {
33
34StatisticsRequest::StatisticsRequest(Ref<DictionaryCallback>&& callback)
35 : m_callback(WTFMove(callback))
36{
37}
38
39StatisticsRequest::~StatisticsRequest()
40{
41 if (m_callback)
42 m_callback->invalidate();
43}
44
45uint64_t StatisticsRequest::addOutstandingRequest()
46{
47 static std::atomic<int64_t> uniqueRequestID;
48
49 uint64_t requestID = ++uniqueRequestID;
50 m_outstandingRequests.add(requestID);
51 return requestID;
52}
53
54static void addToDictionaryFromHashMap(API::Dictionary* dictionary, const HashMap<String, uint64_t>& map)
55{
56 HashMap<String, uint64_t>::const_iterator end = map.end();
57 for (HashMap<String, uint64_t>::const_iterator it = map.begin(); it != end; ++it)
58 dictionary->set(it->key, RefPtr<API::UInt64>(API::UInt64::create(it->value)).get());
59}
60
61static Ref<API::Dictionary> createDictionaryFromHashMap(const HashMap<String, uint64_t>& map)
62{
63 Ref<API::Dictionary> result = API::Dictionary::create();
64 addToDictionaryFromHashMap(result.ptr(), map);
65 return result;
66}
67
68void StatisticsRequest::completedRequest(uint64_t requestID, const StatisticsData& data)
69{
70 ASSERT(m_outstandingRequests.contains(requestID));
71 m_outstandingRequests.remove(requestID);
72
73 if (!m_responseDictionary)
74 m_responseDictionary = API::Dictionary::create();
75
76 // FIXME (Multi-WebProcess) <rdar://problem/13200059>: This code overwrites any previous response data received.
77 // When getting responses from multiple WebProcesses we need to combine items instead of clobbering them.
78
79 addToDictionaryFromHashMap(m_responseDictionary.get(), data.statisticsNumbers);
80
81 if (!data.javaScriptProtectedObjectTypeCounts.isEmpty())
82 m_responseDictionary->set("JavaScriptProtectedObjectTypeCounts", createDictionaryFromHashMap(data.javaScriptProtectedObjectTypeCounts));
83 if (!data.javaScriptObjectTypeCounts.isEmpty())
84 m_responseDictionary->set("JavaScriptObjectTypeCounts", createDictionaryFromHashMap(data.javaScriptObjectTypeCounts));
85
86 if (!data.webCoreCacheStatistics.isEmpty()) {
87 Vector<RefPtr<API::Object>> cacheStatistics;
88 cacheStatistics.reserveInitialCapacity(data.webCoreCacheStatistics.size());
89
90 for (const auto& statistic : data.webCoreCacheStatistics)
91 cacheStatistics.uncheckedAppend(createDictionaryFromHashMap(statistic));
92
93 m_responseDictionary->set("WebCoreCacheStatistics", API::Array::create(WTFMove(cacheStatistics)));
94 }
95
96 if (m_outstandingRequests.isEmpty()) {
97 m_callback->performCallbackWithReturnValue(m_responseDictionary.get());
98 m_callback = nullptr;
99 }
100}
101
102} // namespace WebKit
103