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77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
// Copyright (c) 2011 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_URL_REQUEST_URL_REQUEST_STATUS_H_
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#define NET_URL_REQUEST_URL_REQUEST_STATUS_H_
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#include "net/base/net_errors.h"
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#include "net/base/net_export.h"
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namespace net {
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// Represents the result of a URL request. It encodes errors and various
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// types of success.
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class NET_EXPORT URLRequestStatus {
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public:
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enum Status {
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// Request succeeded, |error_| will be 0.
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SUCCESS = 0,
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// An IO request is pending, and the caller will be informed when it is
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// completed.
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IO_PENDING,
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// Request was cancelled programatically.
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CANCELED,
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// The request failed for some reason. |error_| may have more information.
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FAILED,
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};
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// Creates a successful URLRequestStatus.
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URLRequestStatus() : status_(SUCCESS), error_(0) {}
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// Creates a URLRequestStatus with specified status and error parameters. New
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// consumers should use URLRequestStatus::FromError instead.
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URLRequestStatus(Status status, int error);
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// Creates a URLRequestStatus, initializing the status from |error|. OK maps
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// to SUCCESS, ERR_IO_PENDING maps to IO_PENDING, ERR_ABORTED maps to CANCELED
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// and all others map to FAILED. Other combinations of status and error are
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// deprecated. See https://crbug.com/490311.
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static URLRequestStatus FromError(int error);
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// Returns a Error corresponding to |status_|.
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// OK for OK
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// ERR_IO_PENDING for IO_PENDING
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// ERR_ABORTED for CANCELLED
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// Error for FAILED
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Error ToNetError() const;
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Status status() const { return status_; }
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int error() const { return error_; }
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// Returns true if the status is success, which makes some calling code more
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// convenient because this is the most common test.
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bool is_success() const {
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return status_ == SUCCESS || status_ == IO_PENDING;
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}
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// Returns true if the request is waiting for IO.
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bool is_io_pending() const {
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return status_ == IO_PENDING;
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}
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private:
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// Application level status.
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Status status_;
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// Error code from the network layer if an error was encountered.
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int error_;
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};
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} // namespace net
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#endif // NET_URL_REQUEST_URL_REQUEST_STATUS_H_
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