1 // Copyright 2012 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef NET_QUIC_QUIC_HTTP_STREAM_H_
6 #define NET_QUIC_QUIC_HTTP_STREAM_H_
14 #include "base/memory/raw_ptr.h"
15 #include "base/memory/weak_ptr.h"
16 #include "base/strings/string_piece.h"
17 #include "base/time/time.h"
18 #include "net/base/completion_once_callback.h"
19 #include "net/base/idempotency.h"
20 #include "net/base/io_buffer.h"
21 #include "net/base/load_timing_info.h"
22 #include "net/base/net_export.h"
23 #include "net/http/http_response_info.h"
24 #include "net/http/http_server_properties.h"
25 #include "net/log/net_log_with_source.h"
26 #include "net/quic/quic_chromium_client_session.h"
27 #include "net/quic/quic_chromium_client_stream.h"
28 #include "net/spdy/multiplexed_http_stream.h"
29 #include "net/third_party/quiche/src/quiche/quic/core/quic_packets.h"
34 class QuicHttpStreamPeer;
37 // The QuicHttpStream is a QUIC-specific HttpStream subclass. It holds a
38 // handle of QuicChromiumClientStream which it uses to send and receive data.
39 // The handle hides the details of the underlying stream's lifetime and can be
40 // used even after the underlying stream is destroyed.
41 class NET_EXPORT_PRIVATE QuicHttpStream : public MultiplexedHttpStream {
43 explicit QuicHttpStream(
44 std::unique_ptr<QuicChromiumClientSession::Handle> session,
45 std::set<std::string> dns_aliases);
47 QuicHttpStream(const QuicHttpStream&) = delete;
48 QuicHttpStream& operator=(const QuicHttpStream&) = delete;
50 ~QuicHttpStream() override;
52 // HttpStream implementation.
53 void RegisterRequest(const HttpRequestInfo* request_info) override;
54 int InitializeStream(bool can_send_early,
55 RequestPriority priority,
56 const NetLogWithSource& net_log,
57 CompletionOnceCallback callback) override;
58 int SendRequest(const HttpRequestHeaders& request_headers,
59 HttpResponseInfo* response,
60 CompletionOnceCallback callback) override;
61 int ReadResponseHeaders(CompletionOnceCallback callback) override;
62 int ReadResponseBody(IOBuffer* buf,
64 CompletionOnceCallback callback) override;
65 void Close(bool not_reusable) override;
66 bool IsResponseBodyComplete() const override;
67 bool IsConnectionReused() const override;
68 int64_t GetTotalReceivedBytes() const override;
69 int64_t GetTotalSentBytes() const override;
70 bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const override;
71 bool GetAlternativeService(
72 AlternativeService* alternative_service) const override;
73 void PopulateNetErrorDetails(NetErrorDetails* details) override;
74 void SetPriority(RequestPriority priority) override;
75 void SetRequestIdempotency(Idempotency idempotency) override;
76 const std::set<std::string>& GetDnsAliases() const override;
77 base::StringPiece GetAcceptChViaAlps() const override;
78 absl::optional<quic::QuicErrorCode> GetQuicErrorCode() const override;
79 absl::optional<quic::QuicRstStreamErrorCode> GetQuicRstStreamErrorCode()
82 static HttpResponseInfo::ConnectionInfo ConnectionInfoFromQuicVersion(
83 quic::ParsedQuicVersion quic_version);
86 friend class test::QuicHttpStreamPeer;
91 STATE_REQUEST_STREAM_COMPLETE,
92 STATE_SET_REQUEST_PRIORITY,
94 STATE_SEND_HEADERS_COMPLETE,
95 STATE_READ_REQUEST_BODY,
96 STATE_READ_REQUEST_BODY_COMPLETE,
98 STATE_SEND_BODY_COMPLETE,
102 void OnIOComplete(int rv);
103 void DoCallback(int rv);
106 int DoRequestStream();
107 int DoRequestStreamComplete(int rv);
108 int DoSetRequestPriority();
110 int DoSendHeadersComplete(int rv);
111 int DoReadRequestBody();
112 int DoReadRequestBodyComplete(int rv);
114 int DoSendBodyComplete(int rv);
116 void OnReadResponseHeadersComplete(int rv);
117 int ProcessResponseHeaders(const spdy::Http2HeaderBlock& headers);
118 void ReadTrailingHeaders();
119 void OnReadTrailingHeadersComplete(int rv);
121 void OnReadBodyComplete(int rv);
122 int HandleReadComplete(int rv);
124 void EnterStateSendHeaders();
128 // Returns ERR_QUIC_HANDSHAKE_FAILED, if |rv| is ERR_QUIC_PROTOCOL_ERROR and
129 // the handshake was never confirmed. Otherwise, returns |rv|.
130 int MapStreamError(int rv);
132 // If |has_response_status_| is false, sets |response_status| to the result
133 // of ComputeResponseStatus(). Returns |response_status_|.
134 int GetResponseStatus();
135 // Sets the result of |ComputeResponseStatus()| as the |response_status_|.
136 void SaveResponseStatus();
137 // Sets |response_status_| to |response_status| and sets
138 // |has_response_status_| to true.
139 void SetResponseStatus(int response_status);
140 // Computes the correct response status based on the status of the handshake,
141 // |session_error|, |connection_error| and |stream_error|.
142 int ComputeResponseStatus() const;
144 QuicChromiumClientSession::Handle* quic_session() {
145 return static_cast<QuicChromiumClientSession::Handle*>(session());
148 const QuicChromiumClientSession::Handle* quic_session() const {
149 return static_cast<const QuicChromiumClientSession::Handle*>(session());
152 State next_state_ = STATE_NONE;
154 std::unique_ptr<QuicChromiumClientStream::Handle> stream_;
156 // The following three fields are all owned by the caller and must
157 // outlive this object, according to the HttpStream contract.
159 // The request to send.
160 // Only valid before the response body is read.
161 raw_ptr<const HttpRequestInfo> request_info_ = nullptr;
163 // Whether this request can be sent without confirmation.
164 bool can_send_early_ = false;
166 // The request body to send, if any, owned by the caller.
167 // DanglingUntriaged because it is assigned a DanglingUntriaged pointer.
168 raw_ptr<UploadDataStream, AcrossTasksDanglingUntriaged> request_body_stream_ =
170 // Time the request was issued.
171 base::Time request_time_;
172 // The priority of the request.
173 RequestPriority priority_ = MINIMUM_PRIORITY;
174 // |response_info_| is the HTTP response data object which is filled in
175 // when a the response headers are read. It is not owned by this stream.
176 raw_ptr<HttpResponseInfo> response_info_ = nullptr;
177 bool has_response_status_ = false; // true if response_status_ as been set.
178 // Because response data is buffered, also buffer the response status if the
179 // stream is explicitly closed via OnError or OnClose with an error.
180 // Once all buffered data has been returned, this will be used as the final
182 int response_status_ = ERR_UNEXPECTED;
184 // Serialized request headers.
185 spdy::Http2HeaderBlock request_headers_;
187 spdy::Http2HeaderBlock response_header_block_;
188 bool response_headers_received_ = false;
190 spdy::Http2HeaderBlock trailing_header_block_;
191 bool trailing_headers_received_ = false;
193 // Number of bytes received by the headers stream on behalf of this stream.
194 int64_t headers_bytes_received_ = 0;
195 // Number of bytes sent by the headers stream on behalf of this stream.
196 int64_t headers_bytes_sent_ = 0;
198 // Number of bytes received when the stream was closed.
199 int64_t closed_stream_received_bytes_ = 0;
200 // Number of bytes sent when the stream was closed.
201 int64_t closed_stream_sent_bytes_ = 0;
202 // True if the stream is the first stream negotiated on the session. Set when
203 // the stream was closed. If |stream_| is failed to be created, this takes on
204 // the default value of false.
205 bool closed_is_first_stream_ = false;
207 absl::optional<quic::QuicErrorCode> connection_error_;
208 absl::optional<quic::QuicRstStreamErrorCode> stream_error_;
210 // The caller's callback to be used for asynchronous operations.
211 CompletionOnceCallback callback_;
213 // Caller provided buffer for the ReadResponseBody() response.
214 scoped_refptr<IOBuffer> user_buffer_;
215 int user_buffer_len_ = 0;
217 // Temporary buffer used to read the request body from UploadDataStream.
218 scoped_refptr<IOBufferWithSize> raw_request_body_buf_;
219 // Wraps raw_request_body_buf_ to read the remaining data progressively.
220 scoped_refptr<DrainableIOBuffer> request_body_buf_;
222 NetLogWithSource stream_net_log_;
225 ERR_UNEXPECTED; // Error code from the connection shutdown.
227 // Set to true when DoLoop() is being executed, false otherwise.
228 bool in_loop_ = false;
230 // Session connect timing info.
231 LoadTimingInfo::ConnectTiming connect_timing_;
233 // Stores any DNS aliases for the remote endpoint. Includes all known
234 // aliases, e.g. from A, AAAA, or HTTPS, not just from the address used for
235 // the connection, in no particular order. These are stored in the stream
236 // instead of the session due to complications related to IP-pooling.
237 std::set<std::string> dns_aliases_;
239 base::WeakPtrFactory<QuicHttpStream> weak_factory_{this};
244 #endif // NET_QUIC_QUIC_HTTP_STREAM_H_