1 files changed, 103 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/Network/webrtc/LibWebRTCResolver.cpp b/Source/WebKit2/WebProcess/Network/webrtc/LibWebRTCResolver.cpp
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index 000000000..9c718790f
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+++ b/Source/WebKit2/WebProcess/Network/webrtc/LibWebRTCResolver.cpp
@@ -0,0 +1,103 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "LibWebRTCResolver.h"
+
+#if USE(LIBWEBRTC)
+
+#include "NetworkProcessConnection.h"
+#include "NetworkRTCProviderMessages.h"
+#include "WebProcess.h"
+#include <wtf/MainThread.h>
+
+namespace WebKit {
+
+static inline void sendOnMainThread(Function<void(IPC::Connection&)>&& callback)
+{
+    callOnMainThread([callback = WTFMove(callback)]() {
+        callback(WebProcess::singleton().networkConnection().connection());
+    });
+}
+
+void LibWebRTCResolver::Start(const rtc::SocketAddress& address)
+{
+    m_isResolving = true;
+    m_addressToResolve = address;
+    m_port = address.port();
+    auto identifier = m_identifier;
+    sendOnMainThread([identifier, address](IPC::Connection& connection) {
+        auto addressString = address.HostAsURIString();
+        connection.send(Messages::NetworkRTCProvider::CreateResolver(identifier, String(addressString.data(), addressString.length())), 0);
+    });
+}
+
+bool LibWebRTCResolver::GetResolvedAddress(int family, rtc::SocketAddress* address) const
+{
+    ASSERT(address);
+    if (m_error || !m_addresses.size())
+        return false;
+
+    *address = m_addressToResolve;
+    for (auto& ipAddress : m_addresses) {
+        if (family == ipAddress.family()) {
+            address->SetResolvedIP(ipAddress);
+            address->SetPort(m_port);
+            return true;
+        }
+    }
+    return false;
+}
+
+void LibWebRTCResolver::Destroy(bool)
+{
+    if (!isResolving())
+        return;
+
+    auto identifier = m_identifier;
+    sendOnMainThread([identifier](IPC::Connection& connection) {
+        connection.send(Messages::NetworkRTCProvider::StopResolver(identifier), 0);
+    });
+
+    // Let's take the resolver so that it gets destroyed at the end of this function.
+    auto resolver = WebProcess::singleton().libWebRTCNetwork().socketFactory().takeResolver(m_identifier);
+    ASSERT(resolver);
+}
+
+void LibWebRTCResolver::setResolvedAddress(const Vector<rtc::IPAddress>& addresses)
+{
+    m_addresses = addresses;
+    SignalDone(this);
+}
+
+void LibWebRTCResolver::setError(int error)
+{
+    m_error = error;
+    SignalDone(this);
+}
+
+} // namespace WebKit
+
+#endif // USE(LIBWEBRTC)