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97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_SOCKET_WEBSOCKET_TRANSPORT_CONNECT_SUB_JOB_H_
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#define NET_SOCKET_WEBSOCKET_TRANSPORT_CONNECT_SUB_JOB_H_
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#include <stddef.h>
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#include <memory>
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#include <utility>
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#include "base/compiler_specific.h"
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#include "base/macros.h"
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#include "net/base/address_list.h"
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#include "net/base/load_states.h"
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#include "net/socket/websocket_endpoint_lock_manager.h"
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#include "net/socket/websocket_transport_client_socket_pool.h"
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namespace net {
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class ClientSocketFactory;
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class IPEndPoint;
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class NetLogWithSource;
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class StreamSocket;
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// Attempts to connect to a subset of the addresses required by a
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// WebSocketTransportConnectJob, specifically either the IPv4 or IPv6
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// addresses. Each address is tried in turn, and parent_job->OnSubJobComplete()
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// is called when the first address succeeds or the last address fails.
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class WebSocketTransportConnectSubJob
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: public WebSocketEndpointLockManager::Waiter {
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public:
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typedef WebSocketTransportConnectJob::SubJobType SubJobType;
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WebSocketTransportConnectSubJob(const AddressList& addresses,
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WebSocketTransportConnectJob* parent_job,
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SubJobType type);
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~WebSocketTransportConnectSubJob() override;
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// Start connecting.
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int Start();
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bool started() { return next_state_ != STATE_NONE; }
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LoadState GetLoadState() const;
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SubJobType type() const { return type_; }
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std::unique_ptr<StreamSocket> PassSocket() {
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return std::move(transport_socket_);
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}
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// Implementation of WebSocketEndpointLockManager::EndpointWaiter.
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void GotEndpointLock() override;
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private:
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enum State {
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STATE_NONE,
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STATE_OBTAIN_LOCK,
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STATE_OBTAIN_LOCK_COMPLETE,
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STATE_TRANSPORT_CONNECT,
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STATE_TRANSPORT_CONNECT_COMPLETE,
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STATE_DONE,
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};
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ClientSocketFactory* client_socket_factory() const;
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const NetLogWithSource& net_log() const;
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const IPEndPoint& CurrentAddress() const;
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void OnIOComplete(int result);
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int DoLoop(int result);
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int DoEndpointLock();
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int DoEndpointLockComplete();
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int DoTransportConnect();
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int DoTransportConnectComplete(int result);
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WebSocketTransportConnectJob* const parent_job_;
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const AddressList addresses_;
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size_t current_address_index_;
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State next_state_;
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const SubJobType type_;
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std::unique_ptr<StreamSocket> transport_socket_;
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DISALLOW_COPY_AND_ASSIGN(WebSocketTransportConnectSubJob);
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};
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} // namespace net
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#endif // NET_SOCKET_WEBSOCKET_TRANSPORT_CONNECT_SUB_JOB_H_
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