1 // Copyright 2013 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.
4
5 #include "net/http/http_basic_state.h"
6
7 #include <set>
8 #include <utility>
9
10 #include "base/check_op.h"
11 #include "base/no_destructor.h"
12 #include "net/base/io_buffer.h"
13 #include "net/http/http_request_info.h"
14 #include "net/http/http_response_body_drainer.h"
15 #include "net/http/http_stream_parser.h"
16 #include "net/http/http_util.h"
17 #include "net/socket/client_socket_handle.h"
18 #include "url/gurl.h"
19
20 namespace net {
21
HttpBasicState(std::unique_ptr<ClientSocketHandle> connection,bool using_proxy)22 HttpBasicState::HttpBasicState(std::unique_ptr<ClientSocketHandle> connection,
23 bool using_proxy)
24 : read_buf_(base::MakeRefCounted<GrowableIOBuffer>()),
25 connection_(std::move(connection)),
26 using_proxy_(using_proxy) {
27 CHECK(connection_) << "ClientSocketHandle passed to HttpBasicState must "
28 "not be NULL. See crbug.com/790776";
29 }
30
31 HttpBasicState::~HttpBasicState() = default;
32
Initialize(const HttpRequestInfo * request_info,RequestPriority priority,const NetLogWithSource & net_log)33 void HttpBasicState::Initialize(const HttpRequestInfo* request_info,
34 RequestPriority priority,
35 const NetLogWithSource& net_log) {
36 DCHECK(!parser_.get());
37 url_ = request_info->url;
38 traffic_annotation_ = request_info->traffic_annotation;
39 request_method_ = request_info->method;
40 parser_ = std::make_unique<HttpStreamParser>(
41 connection_->socket(), connection_->is_reused(), request_info,
42 read_buf_.get(), net_log);
43 }
44
ReleaseConnection()45 std::unique_ptr<ClientSocketHandle> HttpBasicState::ReleaseConnection() {
46 return std::move(connection_);
47 }
48
read_buf() const49 scoped_refptr<GrowableIOBuffer> HttpBasicState::read_buf() const {
50 return read_buf_;
51 }
52
DeleteParser()53 void HttpBasicState::DeleteParser() { parser_.reset(); }
54
GenerateRequestLine() const55 std::string HttpBasicState::GenerateRequestLine() const {
56 static const char kSuffix[] = " HTTP/1.1\r\n";
57 const size_t kSuffixLen = std::size(kSuffix) - 1;
58 const std::string path =
59 using_proxy_ ? HttpUtil::SpecForRequest(url_) : url_.PathForRequest();
60 // Don't use StringPrintf for concatenation because it is very inefficient.
61 std::string request_line;
62 const size_t expected_size =
63 request_method_.size() + 1 + path.size() + kSuffixLen;
64 request_line.reserve(expected_size);
65 request_line.append(request_method_);
66 request_line.append(1, ' ');
67 request_line.append(path);
68 request_line.append(kSuffix, kSuffixLen);
69 DCHECK_EQ(expected_size, request_line.size());
70 return request_line;
71 }
72
IsConnectionReused() const73 bool HttpBasicState::IsConnectionReused() const {
74 return connection_->is_reused() ||
75 connection_->reuse_type() == ClientSocketHandle::UNUSED_IDLE;
76 }
77
GetDnsAliases() const78 const std::set<std::string>& HttpBasicState::GetDnsAliases() const {
79 static const base::NoDestructor<std::set<std::string>> emptyset_result;
80 return (connection_ && connection_->socket())
81 ? connection_->socket()->GetDnsAliases()
82 : *emptyset_result;
83 }
84
85 } // namespace net
86