1 files changed, 104 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/Network/webrtc/LibWebRTCSocket.h b/Source/WebKit2/WebProcess/Network/webrtc/LibWebRTCSocket.h
new file mode 100644
index 000000000..957437f8d
--- /dev/null
+++ b/Source/WebKit2/WebProcess/Network/webrtc/LibWebRTCSocket.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#pragma once
+
+#if USE(LIBWEBRTC)
+
+#include <WebCore/LibWebRTCProvider.h>
+#include <webrtc/base/asyncpacketsocket.h>
+#include <wtf/Deque.h>
+#include <wtf/Forward.h>
+
+namespace IPC {
+class Connection;
+class DataReference;
+class Decoder;
+}
+
+namespace WebCore {
+class SharedBuffer;
+}
+
+namespace WebKit {
+
+class LibWebRTCSocketFactory;
+
+class LibWebRTCSocket final : public rtc::AsyncPacketSocket {
+public:
+    enum class Type { UDP, ServerTCP, ClientTCP };
+
+    LibWebRTCSocket(LibWebRTCSocketFactory&, uint64_t identifier, Type, const rtc::SocketAddress& localAddress, const rtc::SocketAddress& remoteAddress);
+    ~LibWebRTCSocket();
+
+    uint64_t identifier() const { return m_identifier; }
+    const rtc::SocketAddress& localAddress() const { return m_localAddress; }
+    const rtc::SocketAddress& remoteAddress() const { return m_remoteAddress; }
+
+    void setError(int error) { m_error = error; }
+    void setState(State state) { m_state = state; }
+
+private:
+    bool willSend(size_t);
+
+    friend class WebRTCSocket;
+    void signalReadPacket(const WebCore::SharedBuffer&, rtc::SocketAddress&&, int64_t);
+    void signalSentPacket(int, int64_t);
+    void signalAddressReady(const rtc::SocketAddress&);
+    void signalConnect();
+    void signalClose(int);
+
+    // AsyncPacketSocket API
+    int GetError() const final { return m_error; }
+    void SetError(int error) final { setError(error); }
+    rtc::SocketAddress GetLocalAddress() const final;
+    rtc::SocketAddress GetRemoteAddress() const final;
+    int Send(const void *pv, size_t cb, const rtc::PacketOptions& options) final { return SendTo(pv, cb, m_remoteAddress, options); }
+    int SendTo(const void *, size_t, const rtc::SocketAddress&, const rtc::PacketOptions&) final;
+    int Close() final;
+    State GetState() const final { return m_state; }
+    int GetOption(rtc::Socket::Option, int*) final;
+    int SetOption(rtc::Socket::Option, int) final;
+
+    LibWebRTCSocketFactory& m_factory;
+    uint64_t m_identifier { 0 };
+    Type m_type;
+    rtc::SocketAddress m_localAddress;
+    rtc::SocketAddress m_remoteAddress;
+
+    int m_error { 0 };
+    State m_state { STATE_BINDING };
+
+    static const unsigned MAX_SOCKET_OPTION { rtc::Socket::OPT_RTP_SENDTIME_EXTN_ID + 1 };
+    int m_options[MAX_SOCKET_OPTION];
+
+    Deque<size_t> m_beingSentPacketSizes;
+    size_t m_availableSendingBytes { 65536 };
+    bool m_shouldSignalReadyToSend { false };
+};
+
+} // namespace WebKit
+
+#endif // USE(LIBWEBRTC)