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https://github.com/LadybirdBrowser/ladybird.git
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4b202a3c79
The "ready to write" notifier we set up in generic socket connection is really only meant to detect a successful connection. Once we have a TCP connection, for example, it will fire on every event loop iteration. This was causing IRC Client to max out the CPU by getting this no-op notifier callback over and over. Since this was only used by TLSv12, I changed that code to create its own notifier instead. It might be possible to improve TLS performance by only processing writes when actually needed, but I didn't look very closely at that for this patch. :^)
89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* 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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (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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#pragma once
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#include <AK/Function.h>
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#include <LibCore/IODevice.h>
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#include <LibCore/SocketAddress.h>
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namespace Core {
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class Socket : public IODevice {
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C_OBJECT(Socket)
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public:
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enum class Type {
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Invalid,
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TCP,
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UDP,
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Local,
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};
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virtual ~Socket() override;
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Type type() const { return m_type; }
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virtual bool connect(const String& hostname, int port);
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bool connect(const SocketAddress&, int port);
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bool connect(const SocketAddress&);
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ByteBuffer receive(int max_size);
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bool send(const ByteBuffer&);
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bool is_connected() const { return m_connected; }
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void set_blocking(bool blocking);
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SocketAddress source_address() const { return m_source_address; }
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int source_port() const { return m_source_port; }
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SocketAddress destination_address() const { return m_destination_address; }
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int destination_port() const { return m_destination_port; }
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Function<void()> on_connected;
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Function<void()> on_ready_to_read;
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protected:
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Socket(Type, Object* parent);
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SocketAddress m_source_address;
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SocketAddress m_destination_address;
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int m_source_port { -1 };
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int m_destination_port { -1 };
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bool m_connected { false };
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virtual void did_update_fd(int) override;
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virtual bool common_connect(const struct sockaddr*, socklen_t);
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private:
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virtual bool open(IODevice::OpenMode) override { ASSERT_NOT_REACHED(); }
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void ensure_read_notifier();
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Type m_type { Type::Invalid };
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RefPtr<Notifier> m_notifier;
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RefPtr<Notifier> m_read_notifier;
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};
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}
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