net/url_request/url_request_context.cc

   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
  17 namespace net {
  18
  19 URLRequestContext::URLRequestContext()
  20     : net_log_(nullptr),
  21       host_resolver_(nullptr),
  22       cert_verifier_(nullptr),
  23       channel_id_service_(nullptr),
  24       http_auth_handler_factory_(nullptr),
  25       proxy_service_(nullptr),
  26       network_delegate_(nullptr),
  27       http_user_agent_settings_(nullptr),
  28       transport_security_state_(nullptr),
  29       cert_transparency_verifier_(nullptr),
  30       http_transaction_factory_(nullptr),
  31       job_factory_(nullptr),
  32       throttler_manager_(nullptr),
  33       backoff_manager_(nullptr),
  34       sdch_manager_(nullptr),
  35       network_quality_estimator_(nullptr),
  36       url_requests_(new std::set<const URLRequest*>) {
  37 }
  38
  39 URLRequestContext::~URLRequestContext() {
  40   AssertNoURLRequests();
  41 }
  42
  43 void URLRequestContext::CopyFrom(const URLRequestContext* other) {
  44   // Copy URLRequestContext parameters.
  45   set_net_log(other->net_log_);
  46   set_host_resolver(other->host_resolver_);
  47   set_cert_verifier(other->cert_verifier_);
  48   set_channel_id_service(other->channel_id_service_);
  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_backoff_manager(other->backoff_manager_);
  61   set_sdch_manager(other->sdch_manager_);
  62   set_http_user_agent_settings(other->http_user_agent_settings_);
  63   set_network_quality_estimator(other->network_quality_estimator_);
  64 }
  65
  66 const HttpNetworkSession::Params* URLRequestContext::GetNetworkSessionParams(
  67     ) const {
  68   HttpTransactionFactory* transaction_factory = http_transaction_factory();
  69   if (!transaction_factory)
  70     return nullptr;
  71   HttpNetworkSession* network_session = transaction_factory->GetSession();
  72   if (!network_session)
  73     return nullptr;
  74   return &network_session->params();
  75 }
  76
  77 scoped_ptr<URLRequest> URLRequestContext::CreateRequest(
  78     const GURL& url,
  79     RequestPriority priority,
  80     URLRequest::Delegate* delegate) const {
  81   return make_scoped_ptr(
  82       new URLRequest(url, priority, delegate, this, network_delegate_));
  83 }
  84
  85 void URLRequestContext::set_cookie_store(CookieStore* cookie_store) {
  86   cookie_store_ = cookie_store;
  87 }
  88
  89 void 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