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 "DatabaseToWebProcessConnection.h"
28
29#include "DatabaseProcessIDBConnection.h"
30#include "DatabaseProcessIDBConnectionMessages.h"
31#include "DatabaseToWebProcessConnectionMessages.h"
32#include <wtf/RunLoop.h>
33
34#if ENABLE(DATABASE_PROCESS)
35
36namespace WebKit {
37
38PassRefPtr<DatabaseToWebProcessConnection> DatabaseToWebProcessConnection::create(IPC::Connection::Identifier connectionIdentifier)
39{
40    return adoptRef(new DatabaseToWebProcessConnection(connectionIdentifier));
41}
42
43DatabaseToWebProcessConnection::DatabaseToWebProcessConnection(IPC::Connection::Identifier connectionIdentifier)
44{
45    m_connection = IPC::Connection::createServerConnection(connectionIdentifier, this, RunLoop::main());
46    m_connection->setOnlySendMessagesAsDispatchWhenWaitingForSyncReplyWhenProcessingSuchAMessage(true);
47    m_connection->open();
48}
49
50DatabaseToWebProcessConnection::~DatabaseToWebProcessConnection()
51{
52
53}
54
55void DatabaseToWebProcessConnection::didReceiveMessage(IPC::Connection* connection, IPC::MessageDecoder& decoder)
56{
57    if (decoder.messageReceiverName() == Messages::DatabaseToWebProcessConnection::messageReceiverName()) {
58        didReceiveDatabaseToWebProcessConnectionMessage(connection, decoder);
59        return;
60    }
61
62    if (decoder.messageReceiverName() == Messages::DatabaseProcessIDBConnection::messageReceiverName()) {
63        IDBConnectionMap::iterator backendIterator = m_idbConnections.find(decoder.destinationID());
64        if (backendIterator != m_idbConnections.end())
65            backendIterator->value->didReceiveDatabaseProcessIDBConnectionMessage(connection, decoder);
66        return;
67    }
68
69    ASSERT_NOT_REACHED();
70}
71
72void DatabaseToWebProcessConnection::didReceiveSyncMessage(IPC::Connection* connection, IPC::MessageDecoder& decoder, std::unique_ptr<IPC::MessageEncoder>& reply)
73{
74    if (decoder.messageReceiverName() == Messages::DatabaseProcessIDBConnection::messageReceiverName()) {
75        IDBConnectionMap::iterator backendIterator = m_idbConnections.find(decoder.destinationID());
76        if (backendIterator != m_idbConnections.end())
77            backendIterator->value->didReceiveSyncDatabaseProcessIDBConnectionMessage(connection, decoder, reply);
78        return;
79    }
80
81    ASSERT_NOT_REACHED();
82}
83
84void DatabaseToWebProcessConnection::didClose(IPC::Connection*)
85{
86    // The WebProcess has disconnected, close all of the connections associated with it
87    while (!m_idbConnections.isEmpty())
88        removeDatabaseProcessIDBConnection(m_idbConnections.begin()->key);
89}
90
91void DatabaseToWebProcessConnection::didReceiveInvalidMessage(IPC::Connection*, IPC::StringReference messageReceiverName, IPC::StringReference messageName)
92{
93
94}
95
96void DatabaseToWebProcessConnection::establishIDBConnection(uint64_t serverConnectionIdentifier)
97{
98    RefPtr<DatabaseProcessIDBConnection> idbConnection = DatabaseProcessIDBConnection::create(*this, serverConnectionIdentifier);
99    m_idbConnections.set(serverConnectionIdentifier, idbConnection.release());
100}
101
102void DatabaseToWebProcessConnection::removeDatabaseProcessIDBConnection(uint64_t serverConnectionIdentifier)
103{
104    ASSERT(m_idbConnections.contains(serverConnectionIdentifier));
105
106    RefPtr<DatabaseProcessIDBConnection> idbConnection = m_idbConnections.take(serverConnectionIdentifier);
107    idbConnection->disconnectedFromWebProcess();
108}
109
110
111} // namespace WebKit
112
113#endif // ENABLE(DATABASE_PROCESS)
114