mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 08:16:09 +03:00
212 lines
9.2 KiB
C++
212 lines
9.2 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef NET_HTTP_HTTP_TRANSACTION_H_
|
|
#define NET_HTTP_HTTP_TRANSACTION_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "net/base/completion_callback.h"
|
|
#include "net/base/completion_once_callback.h"
|
|
#include "net/base/load_states.h"
|
|
#include "net/base/net_error_details.h"
|
|
#include "net/base/net_export.h"
|
|
#include "net/base/request_priority.h"
|
|
#include "net/base/upload_progress.h"
|
|
#include "net/http/http_raw_request_headers.h"
|
|
#include "net/http/http_response_headers.h"
|
|
#include "net/socket/connection_attempts.h"
|
|
#include "net/websockets/websocket_handshake_stream_base.h"
|
|
|
|
namespace net {
|
|
|
|
class AuthCredentials;
|
|
class HttpRequestHeaders;
|
|
struct HttpRequestInfo;
|
|
class HttpResponseInfo;
|
|
class IOBuffer;
|
|
struct LoadTimingInfo;
|
|
class NetLogWithSource;
|
|
class ProxyInfo;
|
|
class QuicServerInfo;
|
|
class SSLPrivateKey;
|
|
class X509Certificate;
|
|
|
|
// Represents a single HTTP transaction (i.e., a single request/response pair).
|
|
// HTTP redirects are not followed and authentication challenges are not
|
|
// answered. Cookies are assumed to be managed by the caller.
|
|
class NET_EXPORT_PRIVATE HttpTransaction {
|
|
public:
|
|
// If |*defer| is set to true, the transaction will wait until
|
|
// ResumeNetworkStart is called before establishing a connection.
|
|
typedef base::Callback<void(bool* defer)> BeforeNetworkStartCallback;
|
|
|
|
// Provides an opportunity to add additional request headers. Called after
|
|
// a connection is established and before the request headers are sent.
|
|
// |proxy_info| contains information about any proxies being used, and
|
|
// additional headers may be added to |request_headers|.
|
|
typedef base::Callback<void(const ProxyInfo& proxy_info,
|
|
HttpRequestHeaders* request_headers)>
|
|
BeforeHeadersSentCallback;
|
|
|
|
// Stops any pending IO and destroys the transaction object.
|
|
virtual ~HttpTransaction() {}
|
|
|
|
// Starts the HTTP transaction (i.e., sends the HTTP request).
|
|
//
|
|
// TODO(crbug.com/723786) The consumer should ensure that request_info points
|
|
// to a valid value till final response headers are received; after that
|
|
// point, the HttpTransaction will not access |*request_info| and it may be
|
|
// deleted.
|
|
//
|
|
// Returns OK if the transaction could be started synchronously, which means
|
|
// that the request was served from the cache. ERR_IO_PENDING is returned to
|
|
// indicate that |callback| will be notified once response info is available
|
|
// or if an IO error occurs. Any other return value indicates that the
|
|
// transaction could not be started.
|
|
//
|
|
// Regardless of the return value, the caller is expected to keep the
|
|
// request_info object alive until Destroy is called on the transaction.
|
|
//
|
|
// NOTE: The transaction is not responsible for deleting the callback object.
|
|
//
|
|
// Profiling information for the request is saved to |net_log| if non-NULL.
|
|
virtual int Start(const HttpRequestInfo* request_info,
|
|
CompletionOnceCallback callback,
|
|
const NetLogWithSource& net_log) = 0;
|
|
|
|
// Restarts the HTTP transaction, ignoring the last error. This call can
|
|
// only be made after a call to Start (or RestartIgnoringLastError) failed.
|
|
// Once Read has been called, this method cannot be called. This method is
|
|
// used, for example, to continue past various SSL related errors.
|
|
//
|
|
// Not all errors can be ignored using this method. See error code
|
|
// descriptions for details about errors that can be ignored.
|
|
//
|
|
// NOTE: The transaction is not responsible for deleting the callback object.
|
|
//
|
|
virtual int RestartIgnoringLastError(CompletionOnceCallback callback) = 0;
|
|
|
|
// Restarts the HTTP transaction with a client certificate.
|
|
virtual int RestartWithCertificate(
|
|
scoped_refptr<X509Certificate> client_cert,
|
|
scoped_refptr<SSLPrivateKey> client_private_key,
|
|
CompletionOnceCallback callback) = 0;
|
|
|
|
// Restarts the HTTP transaction with authentication credentials.
|
|
virtual int RestartWithAuth(const AuthCredentials& credentials,
|
|
CompletionOnceCallback callback) = 0;
|
|
|
|
// Returns true if auth is ready to be continued. Callers should check
|
|
// this value anytime Start() completes: if it is true, the transaction
|
|
// can be resumed with RestartWithAuth(L"", L"", callback) to resume
|
|
// the automatic auth exchange. This notification gives the caller a
|
|
// chance to process the response headers from all of the intermediate
|
|
// restarts needed for authentication.
|
|
virtual bool IsReadyToRestartForAuth() = 0;
|
|
|
|
// Once response info is available for the transaction, response data may be
|
|
// read by calling this method.
|
|
//
|
|
// Response data is copied into the given buffer and the number of bytes
|
|
// copied is returned. ERR_IO_PENDING is returned if response data is not yet
|
|
// available. |callback| is notified when the data copy completes, and it is
|
|
// passed the number of bytes that were successfully copied. Or, if a read
|
|
// error occurs, |callback| is notified of the error. Any other negative
|
|
// return value indicates that the transaction could not be read.
|
|
//
|
|
// NOTE: The transaction is not responsible for deleting the callback object.
|
|
// If the operation is not completed immediately, the transaction must acquire
|
|
// a reference to the provided buffer.
|
|
//
|
|
virtual int Read(IOBuffer* buf,
|
|
int buf_len,
|
|
CompletionOnceCallback callback) = 0;
|
|
|
|
// Stops further caching of this request by the HTTP cache, if there is any.
|
|
// Note that this is merely a hint to the transaction which it may choose to
|
|
// ignore.
|
|
virtual void StopCaching() = 0;
|
|
|
|
// Gets the full request headers sent to the server. This is guaranteed to
|
|
// work only if Start returns success and the underlying transaction supports
|
|
// it. (Right now, this is only network transactions, not cache ones.)
|
|
//
|
|
// Returns true and overwrites headers if it can get the request headers;
|
|
// otherwise, returns false and does not modify headers.
|
|
virtual bool GetFullRequestHeaders(HttpRequestHeaders* headers) const = 0;
|
|
|
|
// Get the number of bytes received from network.
|
|
virtual int64_t GetTotalReceivedBytes() const = 0;
|
|
|
|
// Get the number of bytes sent over the network.
|
|
virtual int64_t GetTotalSentBytes() const = 0;
|
|
|
|
// Called to tell the transaction that we have successfully reached the end
|
|
// of the stream. This is equivalent to performing an extra Read() at the end
|
|
// that should return 0 bytes. This method should not be called if the
|
|
// transaction is busy processing a previous operation (like a pending Read).
|
|
//
|
|
// DoneReading may also be called before the first Read() to notify that the
|
|
// entire response body is to be ignored (e.g., in a redirect).
|
|
virtual void DoneReading() = 0;
|
|
|
|
// Returns the response info for this transaction. Must not be called until
|
|
// |Start| completes.
|
|
virtual const HttpResponseInfo* GetResponseInfo() const = 0;
|
|
|
|
// Returns the load state for this transaction.
|
|
virtual LoadState GetLoadState() const = 0;
|
|
|
|
// SetQuicServerInfo sets a object which reads and writes public information
|
|
// about a QUIC server.
|
|
virtual void SetQuicServerInfo(QuicServerInfo* quic_server_info) = 0;
|
|
|
|
// Populates all of load timing, except for request start times and receive
|
|
// headers time.
|
|
// |load_timing_info| must have all null times when called. Returns false and
|
|
// does not modify |load_timing_info| if there's no timing information to
|
|
// provide.
|
|
virtual bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const = 0;
|
|
|
|
// Gets the remote endpoint of the socket that the transaction's underlying
|
|
// stream is using or did use, if any. Returns true and fills in |endpoint|
|
|
// if it is available; returns false and leaves |endpoint| unchanged if it is
|
|
// unavailable.
|
|
virtual bool GetRemoteEndpoint(IPEndPoint* endpoint) const = 0;
|
|
|
|
// Populates network error details for this transaction.
|
|
virtual void PopulateNetErrorDetails(NetErrorDetails* details) const = 0;
|
|
|
|
// Called when the priority of the parent job changes.
|
|
virtual void SetPriority(RequestPriority priority) = 0;
|
|
|
|
// Set the WebSocketHandshakeStreamBase::CreateHelper to be used for the
|
|
// request. Only relevant to WebSocket transactions. Must be called before
|
|
// Start(). Ownership of |create_helper| remains with the caller.
|
|
virtual void SetWebSocketHandshakeStreamCreateHelper(
|
|
WebSocketHandshakeStreamBase::CreateHelper* create_helper) = 0;
|
|
|
|
// Sets the callback to receive notification just before network use.
|
|
virtual void SetBeforeNetworkStartCallback(
|
|
const BeforeNetworkStartCallback& callback) = 0;
|
|
|
|
// Sets the callback to receive notification just before request headers
|
|
// are to be sent.
|
|
virtual void SetBeforeHeadersSentCallback(
|
|
const BeforeHeadersSentCallback& callback) = 0;
|
|
|
|
virtual void SetRequestHeadersCallback(RequestHeadersCallback callback) = 0;
|
|
virtual void SetResponseHeadersCallback(ResponseHeadersCallback callback) = 0;
|
|
|
|
// Resumes the transaction after being deferred.
|
|
virtual int ResumeNetworkStart() = 0;
|
|
|
|
virtual void GetConnectionAttempts(ConnectionAttempts* out) const = 0;
|
|
};
|
|
|
|
} // namespace net
|
|
|
|
#endif // NET_HTTP_HTTP_TRANSACTION_H_
|