1 files changed, 101 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/StatisticsRequest.cpp b/Source/WebKit2/UIProcess/StatisticsRequest.cpp
new file mode 100644
index 000000000..d2b22fa5b
--- /dev/null
+++ b/Source/WebKit2/UIProcess/StatisticsRequest.cpp
@@ -0,0 +1,101 @@
+/*
+ * 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/Atomics.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;
+
+    uint64_t requestID = atomicIncrement(&uniqueRequestID);
+    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