Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 117 insertions, 0 deletions

diff --git a/Source/WebKit2/WebProcess/Plugins/PluginProcessConnectionManager.cpp b/Source/WebKit2/WebProcess/Plugins/PluginProcessConnectionManager.cpp
new file mode 100644
index 000000000..fd1906d7a
--- /dev/null
+++ b/Source/WebKit2/WebProcess/Plugins/PluginProcessConnectionManager.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2010 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 "PluginProcessConnectionManager.h"
+
+#if ENABLE(PLUGIN_PROCESS)
+
+#include "ArgumentDecoder.h"
+#include "ArgumentEncoder.h"
+#include "PluginProcessConnection.h"
+#include "WebCoreArgumentCoders.h"
+#include "WebProcess.h"
+#include "WebProcessProxyMessages.h"
+
+#if PLATFORM(MAC)
+#include "MachPort.h"
+#endif
+
+namespace WebKit {
+
+PluginProcessConnectionManager::PluginProcessConnectionManager()
+{
+}
+
+PluginProcessConnectionManager::~PluginProcessConnectionManager()
+{
+}
+
+PluginProcessConnection* PluginProcessConnectionManager::getPluginProcessConnection(const String& pluginPath)
+{
+    for (size_t i = 0; i < m_pluginProcessConnections.size(); ++i) {
+        if (m_pluginProcessConnections[i]->pluginPath() == pluginPath)
+            return m_pluginProcessConnections[i].get();
+    }
+
+    CoreIPC::Attachment encodedConnectionIdentifier;
+    if (!WebProcess::shared().connection()->sendSync(Messages::WebProcessProxy::GetPluginProcessConnection(pluginPath),
+                                                     Messages::WebProcessProxy::GetPluginProcessConnection::Reply(encodedConnectionIdentifier), 0))
+        return 0;
+
+#if PLATFORM(MAC)
+    CoreIPC::Connection::Identifier connectionIdentifier = encodedConnectionIdentifier.port();
+    if (!connectionIdentifier)
+        return 0;
+#elif USE(UNIX_DOMAIN_SOCKETS)
+    CoreIPC::Connection::Identifier connectionIdentifier = encodedConnectionIdentifier.fileDescriptor();
+    if (connectionIdentifier == -1)
+        return 0;
+#endif
+
+    RefPtr<PluginProcessConnection> pluginProcessConnection = PluginProcessConnection::create(this, pluginPath, connectionIdentifier);
+    m_pluginProcessConnections.append(pluginProcessConnection);
+
+    {
+        MutexLocker locker(m_pathsAndConnectionsMutex);
+        ASSERT(!m_pathsAndConnections.contains(pluginProcessConnection->pluginPath()));
+
+        m_pathsAndConnections.set(pluginPath, pluginProcessConnection->connection());
+    }
+
+    return pluginProcessConnection.get();
+}
+
+void PluginProcessConnectionManager::removePluginProcessConnection(PluginProcessConnection* pluginProcessConnection)
+{
+    size_t vectorIndex = m_pluginProcessConnections.find(pluginProcessConnection);
+    ASSERT(vectorIndex != notFound);
+
+    {
+        MutexLocker locker(m_pathsAndConnectionsMutex);
+        ASSERT(m_pathsAndConnections.contains(pluginProcessConnection->pluginPath()));
+        
+        m_pathsAndConnections.remove(pluginProcessConnection->pluginPath());
+    }
+
+    m_pluginProcessConnections.remove(vectorIndex);
+}
+
+void PluginProcessConnectionManager::pluginProcessCrashed(const String& pluginPath)
+{
+    MutexLocker locker(m_pathsAndConnectionsMutex);
+    CoreIPC::Connection* connection = m_pathsAndConnections.get(pluginPath).get();
+
+    // It's OK for connection to be null here; it will happen if this web process doesn't know
+    // anything about the plug-in process.
+    if (!connection)
+        return;
+
+    connection->postConnectionDidCloseOnConnectionWorkQueue();
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(PLUGIN_PROCESS)