Add more infrastructure for ServerConnection communication between Web and Database...
[WebKit-https.git] / Source / WebKit2 / DatabaseProcess / DatabaseToWebProcessConnection.cpp
1 /*
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3  *
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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
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20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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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
36 namespace WebKit {
37
38 PassRefPtr<DatabaseToWebProcessConnection> DatabaseToWebProcessConnection::create(CoreIPC::Connection::Identifier connectionIdentifier)
39 {
40     return adoptRef(new DatabaseToWebProcessConnection(connectionIdentifier));
41 }
42
43 DatabaseToWebProcessConnection::DatabaseToWebProcessConnection(CoreIPC::Connection::Identifier connectionIdentifier)
44 {
45     m_connection = CoreIPC::Connection::createServerConnection(connectionIdentifier, this, RunLoop::main());
46     m_connection->setOnlySendMessagesAsDispatchWhenWaitingForSyncReplyWhenProcessingSuchAMessage(true);
47     m_connection->open();
48 }
49
50 DatabaseToWebProcessConnection::~DatabaseToWebProcessConnection()
51 {
52
53 }
54
55 void DatabaseToWebProcessConnection::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::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
72 void DatabaseToWebProcessConnection::didClose(CoreIPC::Connection*)
73 {
74
75 }
76
77 void DatabaseToWebProcessConnection::didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::StringReference messageReceiverName, CoreIPC::StringReference messageName)
78 {
79
80 }
81
82 void DatabaseToWebProcessConnection::establishIDBConnection(uint64_t serverConnectionIdentifier)
83 {
84     RefPtr<DatabaseProcessIDBConnection> idbConnection = DatabaseProcessIDBConnection::create(*this, serverConnectionIdentifier);
85     m_idbConnections.set(serverConnectionIdentifier, idbConnection.release());
86 }
87
88 void DatabaseToWebProcessConnection::removeDatabaseProcessIDBConnection(uint64_t serverConnectionIdentifier)
89 {
90     ASSERT(m_idbConnections.contains(serverConnectionIdentifier));
91
92     RefPtr<DatabaseProcessIDBConnection> idbConnection = m_idbConnections.take(serverConnectionIdentifier);
93     idbConnection->disconnectedFromWebProcess();
94 }
95
96
97 } // namespace WebKit
98
99 #endif // ENABLE(DATABASE_PROCESS)