1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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/url_request/url_request_context.h"
6
7#include "base/compiler_specific.h"
8#include "base/debug/alias.h"
9#include "base/debug/stack_trace.h"
10#include "base/strings/string_util.h"
11#include "net/cookies/cookie_store.h"
12#include "net/dns/host_resolver.h"
13#include "net/http/http_transaction_factory.h"
14#include "net/url_request/http_user_agent_settings.h"
15#include "net/url_request/url_request.h"
16
17namespace net {
18
19URLRequestContext::URLRequestContext()
20    : net_log_(NULL),
21      host_resolver_(NULL),
22      cert_verifier_(NULL),
23      channel_id_service_(NULL),
24      fraudulent_certificate_reporter_(NULL),
25      http_auth_handler_factory_(NULL),
26      proxy_service_(NULL),
27      network_delegate_(NULL),
28      http_user_agent_settings_(NULL),
29      transport_security_state_(NULL),
30      cert_transparency_verifier_(NULL),
31      http_transaction_factory_(NULL),
32      job_factory_(NULL),
33      throttler_manager_(NULL),
34      sdch_manager_(NULL),
35      url_requests_(new std::set<const URLRequest*>) {
36}
37
38URLRequestContext::~URLRequestContext() {
39  AssertNoURLRequests();
40}
41
42void URLRequestContext::CopyFrom(const URLRequestContext* other) {
43  // Copy URLRequestContext parameters.
44  set_net_log(other->net_log_);
45  set_host_resolver(other->host_resolver_);
46  set_cert_verifier(other->cert_verifier_);
47  set_channel_id_service(other->channel_id_service_);
48  set_fraudulent_certificate_reporter(other->fraudulent_certificate_reporter_);
49  set_http_auth_handler_factory(other->http_auth_handler_factory_);
50  set_proxy_service(other->proxy_service_);
51  set_ssl_config_service(other->ssl_config_service_.get());
52  set_network_delegate(other->network_delegate_);
53  set_http_server_properties(other->http_server_properties_);
54  set_cookie_store(other->cookie_store_.get());
55  set_transport_security_state(other->transport_security_state_);
56  set_cert_transparency_verifier(other->cert_transparency_verifier_);
57  set_http_transaction_factory(other->http_transaction_factory_);
58  set_job_factory(other->job_factory_);
59  set_throttler_manager(other->throttler_manager_);
60  set_sdch_manager(other->sdch_manager_);
61  set_http_user_agent_settings(other->http_user_agent_settings_);
62}
63
64const HttpNetworkSession::Params* URLRequestContext::GetNetworkSessionParams(
65    ) const {
66  HttpTransactionFactory* transaction_factory = http_transaction_factory();
67  if (!transaction_factory)
68    return NULL;
69  HttpNetworkSession* network_session = transaction_factory->GetSession();
70  if (!network_session)
71    return NULL;
72  return &network_session->params();
73}
74
75scoped_ptr<URLRequest> URLRequestContext::CreateRequest(
76    const GURL& url,
77    RequestPriority priority,
78    URLRequest::Delegate* delegate,
79    CookieStore* cookie_store) const {
80  return scoped_ptr<URLRequest>(
81      new URLRequest(url, priority, delegate, this, cookie_store,
82                     network_delegate_));
83}
84
85void URLRequestContext::set_cookie_store(CookieStore* cookie_store) {
86  cookie_store_ = cookie_store;
87}
88
89void URLRequestContext::AssertNoURLRequests() const {
90  int num_requests = url_requests_->size();
91  if (num_requests != 0) {
92    // We're leaking URLRequests :( Dump the URL of the first one and record how
93    // many we leaked so we have an idea of how bad it is.
94    char url_buf[128];
95    const URLRequest* request = *url_requests_->begin();
96    base::strlcpy(url_buf, request->url().spec().c_str(), arraysize(url_buf));
97    bool has_delegate = request->has_delegate();
98    int load_flags = request->load_flags();
99    base::debug::StackTrace stack_trace(NULL, 0);
100    if (request->stack_trace())
101      stack_trace = *request->stack_trace();
102    base::debug::Alias(url_buf);
103    base::debug::Alias(&num_requests);
104    base::debug::Alias(&has_delegate);
105    base::debug::Alias(&load_flags);
106    base::debug::Alias(&stack_trace);
107    CHECK(false) << "Leaked " << num_requests << " URLRequest(s). First URL: "
108                 << request->url().spec().c_str() << ".";
109  }
110}
111
112}  // namespace net
113