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a/Source/WebCore/Modules/mediastream/RTCPeerConnection.cpp_sec1
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/* |
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* Copyright (C) 2012 Google Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name of Google Inc. nor the names of its contributors |
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* may be used to endorse or promote products derived from this |
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* software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "config.h" |
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#if ENABLE(MEDIA_STREAM) |
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#include "RTCPeerConnection.h" |
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#include "ArrayValue.h" |
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#include "ExceptionCode.h" |
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#include "KURL.h" |
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#include "ScriptExecutionContext.h" |
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namespace WebCore { |
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// FIXME: RTCIceServer and RTCConfigration are placed here temporarily. |
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// Their final place is in Source/WebCore/platform/mediastream. |
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class RTCIceServer : public RefCounted<RTCIceServer> { |
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public: |
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static PassRefPtr<RTCIceServer> create(const KURL& uri, const String& credential) { return adoptRef(new RTCIceServer(uri, credential)); } |
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virtual ~RTCIceServer() { } |
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const KURL& uri() { return m_uri; } |
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const String& credential() { return m_credential; } |
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private: |
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RTCIceServer(const KURL& uri, const String& credential) |
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: m_uri(uri) |
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, m_credential(credential) |
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{ |
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} |
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KURL m_uri; |
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String m_credential; |
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}; |
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class RTCConfiguration : public RefCounted<RTCConfiguration> { |
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public: |
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static PassRefPtr<RTCConfiguration> create() { return adoptRef(new RTCConfiguration()); } |
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virtual ~RTCConfiguration() { } |
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void appendServer(PassRefPtr<RTCIceServer> server) { m_servers.append(server); } |
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size_t numberOfServers() { return m_servers.size(); } |
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RTCIceServer* server(size_t index) { return m_servers[index].get(); } |
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private: |
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RTCConfiguration() { } |
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Vector<RefPtr<RTCIceServer> > m_servers; |
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}; |
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PassRefPtr<RTCConfiguration> RTCPeerConnection::parseConfiguration(const Dictionary& configuration, ExceptionCode& ec) |
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{ |
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if (configuration.isUndefinedOrNull()) |
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return 0; |
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ArrayValue iceServers; |
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bool ok = configuration.get("iceServers", iceServers); |
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if (!ok) { |
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ec = TYPE_MISMATCH_ERR; |
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return 0; |
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} |
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size_t numberOfServers; |
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ok = iceServers.length(numberOfServers); |
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if (!ok) { |
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ec = TYPE_MISMATCH_ERR; |
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return 0; |
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} |
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RefPtr<RTCConfiguration> rtcConfiguration = RTCConfiguration::create(); |
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for (size_t i = 0; i < numberOfServers; ++i) { |
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Dictionary iceServer; |
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ok = iceServers.get(i, iceServer); |
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if (!ok) { |
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ec = TYPE_MISMATCH_ERR; |
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return 0; |
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} |
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String uri, credential; |
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ok = iceServer.get("uri", uri); |
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if (!ok) { |
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ec = TYPE_MISMATCH_ERR; |
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return 0; |
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} |
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KURL url(KURL(), uri); |
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if (!url.isValid() || !(url.protocolIs("turn") || url.protocolIs("stun"))) { |
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ec = TYPE_MISMATCH_ERR; |
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return 0; |
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} |
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iceServer.get("credential", credential); |
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rtcConfiguration->appendServer(RTCIceServer::create(url, credential)); |
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} |
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return rtcConfiguration.release(); |
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} |
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PassRefPtr<RTCPeerConnection> RTCPeerConnection::create(ScriptExecutionContext* context, const Dictionary& rtcConfiguration, const Dictionary&, ExceptionCode& ec) |
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{ |
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RefPtr<RTCConfiguration> configuration = parseConfiguration(rtcConfiguration, ec); |
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if (ec) |
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return 0; |
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RefPtr<RTCPeerConnection> peerConnection = adoptRef(new RTCPeerConnection(context, configuration.release(), ec)); |
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if (ec) |
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return 0; |
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peerConnection->suspendIfNeeded(); |
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return peerConnection.release(); |
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} |
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RTCPeerConnection::RTCPeerConnection(ScriptExecutionContext* context, PassRefPtr<RTCConfiguration>, ExceptionCode& ec) |
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: ActiveDOMObject(context, this) |
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{ |
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} |
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RTCPeerConnection::~RTCPeerConnection() |
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{ |
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} |
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const AtomicString& RTCPeerConnection::interfaceName() const |
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{ |
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return eventNames().interfaceForRTCPeerConnection; |
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} |
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ScriptExecutionContext* RTCPeerConnection::scriptExecutionContext() const |
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{ |
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return ActiveDOMObject::scriptExecutionContext(); |
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} |
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void RTCPeerConnection::stop() |
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{ |
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// FIXME: Make sure that this object stops posting events and releases resources at this stage. |
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} |
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EventTargetData* RTCPeerConnection::eventTargetData() |
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{ |
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return &m_eventTargetData; |
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} |
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EventTargetData* RTCPeerConnection::ensureEventTargetData() |
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{ |
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return &m_eventTargetData; |
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} |
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} // namespace WebCore |
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#endif // ENABLE(MEDIA_STREAM) |