webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 91 insertions, 0 deletions

diff --git a/Source/WebKit2/NetworkProcess/PingLoad.h b/Source/WebKit2/NetworkProcess/PingLoad.h
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+++ b/Source/WebKit2/NetworkProcess/PingLoad.h
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+/*
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef PingLoad_h
+#define PingLoad_h
+
+#include "AuthenticationManager.h"
+#include "NetworkDataTask.h"
+#include "SessionTracker.h"
+
+namespace WebKit {
+
+class PingLoad final : private NetworkDataTaskClient {
+public:
+    PingLoad(const NetworkResourceLoadParameters& parameters)
+        : m_timeoutTimer(*this, &PingLoad::timeoutTimerFired)
+        , m_shouldFollowRedirects(parameters.shouldFollowRedirects)
+    {
+        if (auto* networkSession = SessionTracker::networkSession(parameters.sessionID)) {
+            m_task = NetworkDataTask::create(*networkSession, *this, parameters);
+            m_task->resume();
+        } else
+            ASSERT_NOT_REACHED();
+
+        // If the server never responds, this object will hang around forever.
+        // Set a very generous timeout, just in case.
+        m_timeoutTimer.startOneShot(60000);
+    }
+    
+private:
+    void willPerformHTTPRedirection(WebCore::ResourceResponse&&, WebCore::ResourceRequest&& request, RedirectCompletionHandler&& completionHandler) final
+    {
+        completionHandler(m_shouldFollowRedirects ? request : WebCore::ResourceRequest());
+    }
+    void didReceiveChallenge(const WebCore::AuthenticationChallenge&, ChallengeCompletionHandler&& completionHandler) final
+    {
+        completionHandler(AuthenticationChallengeDisposition::Cancel, { });
+        delete this;
+    }
+    void didReceiveResponseNetworkSession(WebCore::ResourceResponse&&, ResponseCompletionHandler&& completionHandler) final
+    {
+        completionHandler(WebCore::PolicyAction::PolicyIgnore);
+        delete this;
+    }
+    void didReceiveData(Ref<WebCore::SharedBuffer>&&) final { ASSERT_NOT_REACHED(); }
+    void didCompleteWithError(const WebCore::ResourceError&) final { delete this; }
+    void didSendData(uint64_t totalBytesSent, uint64_t totalBytesExpectedToSend) final { }
+    void wasBlocked() final { delete this; }
+    void cannotShowURL() final { delete this; }
+
+    void timeoutTimerFired() { delete this; }
+    
+    virtual ~PingLoad()
+    {
+        if (m_task) {
+            ASSERT(m_task->client() == this);
+            m_task->clearClient();
+            m_task->cancel();
+        }
+    }
+    
+    RefPtr<NetworkDataTask> m_task;
+    WebCore::Timer m_timeoutTimer;
+    bool m_shouldFollowRedirects;
+};
+
+}
+
+#endif