Source/WebKit/NetworkProcess/cache/CacheStorageEngineConnection.cpp

   1
   2 /*
   3  * Copyright (C) 2017 Apple Inc. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  16  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  18  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  24  * THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include "config.h"
  28 #include "CacheStorageEngineConnection.h"
  29
  30 #include "NetworkConnectionToWebProcess.h"
  31 #include "WebCacheStorageConnectionMessages.h"
  32 #include "WebCoreArgumentCoders.h"
  33 #include <WebCore/CacheQueryOptions.h>
  34
  35 using namespace WebCore::DOMCacheEngine;
  36 using namespace WebKit::CacheStorage;
  37
  38 namespace WebKit {
  39
  40 CacheStorageEngineConnection::CacheStorageEngineConnection(NetworkConnectionToWebProcess& connection)
  41     : m_connection(connection)
  42 {
  43 }
  44
  45 CacheStorageEngineConnection::~CacheStorageEngineConnection()
  46 {
  47     for (auto& keyValue : m_cachesLocks) {
  48         auto& sessionID = keyValue.key;
  49         for (auto& references : keyValue.value) {
  50             ASSERT(references.value);
  51             Engine::from(sessionID).unlock(references.key);
  52         }
  53     }
  54 }
  55
  56 void CacheStorageEngineConnection::open(PAL::SessionID sessionID, uint64_t requestIdentifier, const WebCore::ClientOrigin& origin, const String& cacheName)
  57 {
  58     Engine::from(sessionID).open(origin, cacheName, [connection = makeRef(m_connection.connection()), sessionID, requestIdentifier](const CacheIdentifierOrError& result) {
  59         connection->send(Messages::WebCacheStorageConnection::OpenCompleted(requestIdentifier, result), sessionID.sessionID());
  60     });
  61 }
  62
  63 void CacheStorageEngineConnection::remove(PAL::SessionID sessionID, uint64_t requestIdentifier, uint64_t cacheIdentifier)
  64 {
  65     Engine::from(sessionID).remove(cacheIdentifier, [connection = makeRef(m_connection.connection()), sessionID, requestIdentifier](const CacheIdentifierOrError& result) {
  66         connection->send(Messages::WebCacheStorageConnection::RemoveCompleted(requestIdentifier, result), sessionID.sessionID());
  67     });
  68 }
  69
  70 void CacheStorageEngineConnection::caches(PAL::SessionID sessionID, uint64_t requestIdentifier, const WebCore::ClientOrigin& origin, uint64_t updateCounter)
  71 {
  72     Engine::from(sessionID).retrieveCaches(origin, updateCounter, [connection = makeRef(m_connection.connection()), sessionID, origin, requestIdentifier](CacheInfosOrError&& result) {
  73         connection->send(Messages::WebCacheStorageConnection::UpdateCaches(requestIdentifier, result), sessionID.sessionID());
  74     });
  75 }
  76
  77 void CacheStorageEngineConnection::retrieveRecords(PAL::SessionID sessionID, uint64_t requestIdentifier, uint64_t cacheIdentifier, WebCore::URL&& url)
  78 {
  79     Engine::from(sessionID).retrieveRecords(cacheIdentifier, WTFMove(url), [connection = makeRef(m_connection.connection()), sessionID, requestIdentifier](RecordsOrError&& result) {
  80         connection->send(Messages::WebCacheStorageConnection::UpdateRecords(requestIdentifier, result), sessionID.sessionID());
  81     });
  82 }
  83
  84 void CacheStorageEngineConnection::deleteMatchingRecords(PAL::SessionID sessionID, uint64_t requestIdentifier, uint64_t cacheIdentifier, WebCore::ResourceRequest&& request, WebCore::CacheQueryOptions&& options)
  85 {
  86     Engine::from(sessionID).deleteMatchingRecords(cacheIdentifier, WTFMove(request), WTFMove(options), [connection = makeRef(m_connection.connection()), sessionID, requestIdentifier](RecordIdentifiersOrError&& result) {
  87         connection->send(Messages::WebCacheStorageConnection::DeleteRecordsCompleted(requestIdentifier, result), sessionID.sessionID());
  88     });
  89 }
  90
  91 void CacheStorageEngineConnection::putRecords(PAL::SessionID sessionID, uint64_t requestIdentifier, uint64_t cacheIdentifier, Vector<Record>&& records)
  92 {
  93     Engine::from(sessionID).putRecords(cacheIdentifier, WTFMove(records), [connection = makeRef(m_connection.connection()), sessionID, requestIdentifier](RecordIdentifiersOrError&& result) {
  94         connection->send(Messages::WebCacheStorageConnection::PutRecordsCompleted(requestIdentifier, result), sessionID.sessionID());
  95     });
  96 }
  97
  98 void CacheStorageEngineConnection::reference(PAL::SessionID sessionID, uint64_t cacheIdentifier)
  99 {
 100     auto& references = m_cachesLocks.ensure(sessionID, []() {
 101         return HashMap<CacheIdentifier, LockCount> { };
 102     }).iterator->value;
 103     auto& counter = references.ensure(cacheIdentifier, []() {
 104         return 0;
 105     }).iterator->value;
 106     if (!counter++)
 107         Engine::from(sessionID).lock(cacheIdentifier);
 108 }
 109
 110 void CacheStorageEngineConnection::dereference(PAL::SessionID sessionID, uint64_t cacheIdentifier)
 111 {
 112     ASSERT(m_cachesLocks.contains(sessionID));
 113     auto& references = m_cachesLocks.ensure(sessionID, []() {
 114         return HashMap<CacheIdentifier, LockCount> { };
 115     }).iterator->value;
 116
 117     auto referenceResult = references.find(cacheIdentifier);
 118     ASSERT(referenceResult != references.end());
 119     if (referenceResult == references.end())
 120         return;
 121
 122     ASSERT(referenceResult->value);
 123     if (--referenceResult->value)
 124         return;
 125
 126     Engine::from(sessionID).unlock(cacheIdentifier);
 127     references.remove(referenceResult);
 128 }
 129
 130 void CacheStorageEngineConnection::clearMemoryRepresentation(PAL::SessionID sessionID, uint64_t requestIdentifier, const WebCore::ClientOrigin& origin)
 131 {
 132     Engine::from(sessionID).clearMemoryRepresentation(origin, [connection = makeRef(m_connection.connection()), sessionID, requestIdentifier] (std::optional<Error>&& error) {
 133         connection->send(Messages::WebCacheStorageConnection::ClearMemoryRepresentationCompleted(requestIdentifier, error), sessionID.sessionID());
 134     });
 135 }
 136
 137 void CacheStorageEngineConnection::engineRepresentation(PAL::SessionID sessionID, uint64_t requestIdentifier)
 138 {
 139     m_connection.connection().send(Messages::WebCacheStorageConnection::EngineRepresentationCompleted(requestIdentifier, Engine::from(sessionID).representation()), sessionID.sessionID());
 140 }
 141
 142 }