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_(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       // For investigation of http://crbug.com/454198; restore when resolved.
  35       // sdch_manager_(NULL),
  36       have_sdch_manager_(false),
  37       url_requests_(new std::set<const URLRequest*>) {
  38 }
  39
  40 URLRequestContext::~URLRequestContext() {
  41   AssertNoURLRequests();
  42 }
  43
  44 void URLRequestContext::CopyFrom(const URLRequestContext* other) {
  45   // Copy URLRequestContext parameters.
  46   set_net_log(other->net_log_);
  47   set_host_resolver(other->host_resolver_);
  48   set_cert_verifier(other->cert_verifier_);
  49   set_channel_id_service(other->channel_id_service_);
  50   set_fraudulent_certificate_reporter(other->fraudulent_certificate_reporter_);
  51   set_http_auth_handler_factory(other->http_auth_handler_factory_);
  52   set_proxy_service(other->proxy_service_);
  53   set_ssl_config_service(other->ssl_config_service_.get());
  54   set_network_delegate(other->network_delegate_);
  55   set_http_server_properties(other->http_server_properties_);
  56   set_cookie_store(other->cookie_store_.get());
  57   set_transport_security_state(other->transport_security_state_);
  58   set_cert_transparency_verifier(other->cert_transparency_verifier_);
  59   set_http_transaction_factory(other->http_transaction_factory_);
  60   set_job_factory(other->job_factory_);
  61   set_throttler_manager(other->throttler_manager_);
  62   // For investigation of http://crbug.com/454198; remove when resolved.
  63   CHECK(!other->have_sdch_manager_ || other->sdch_manager_.get());
  64   set_sdch_manager(other->sdch_manager_.get());
  65   set_http_user_agent_settings(other->http_user_agent_settings_);
  66 }
  67
  68 const HttpNetworkSession::Params* URLRequestContext::GetNetworkSessionParams(
  69     ) const {
  70   HttpTransactionFactory* transaction_factory = http_transaction_factory();
  71   if (!transaction_factory)
  72     return NULL;
  73   HttpNetworkSession* network_session = transaction_factory->GetSession();
  74   if (!network_session)
  75     return NULL;
  76   return &network_session->params();
  77 }
  78
  79 scoped_ptr<URLRequest> URLRequestContext::CreateRequest(
  80     const GURL& url,
  81     RequestPriority priority,
  82     URLRequest::Delegate* delegate) const {
  83   return make_scoped_ptr(
  84       new URLRequest(url, priority, delegate, this, network_delegate_));
  85 }
  86
  87 void URLRequestContext::set_cookie_store(CookieStore* cookie_store) {
  88   cookie_store_ = cookie_store;
  89 }
  90
  91 void URLRequestContext::AssertNoURLRequests() const {
  92   int num_requests = url_requests_->size();
  93   if (num_requests != 0) {
  94     // We're leaking URLRequests :( Dump the URL of the first one and record how
  95     // many we leaked so we have an idea of how bad it is.
  96     char url_buf[128];
  97     const URLRequest* request = *url_requests_->begin();
  98     base::strlcpy(url_buf, request->url().spec().c_str(), arraysize(url_buf));
  99     bool has_delegate = request->has_delegate();
 100     int load_flags = request->load_flags();
 101     base::debug::StackTrace stack_trace(NULL, 0);
 102     if (request->stack_trace())
 103       stack_trace = *request->stack_trace();
 104     base::debug::Alias(url_buf);
 105     base::debug::Alias(&num_requests);
 106     base::debug::Alias(&has_delegate);
 107     base::debug::Alias(&load_flags);
 108     base::debug::Alias(&stack_trace);
 109     CHECK(false) << "Leaked " << num_requests << " URLRequest(s). First URL: "
 110                  << request->url().spec().c_str() << ".";
 111   }
 112 }
 113
 114 }  // namespace net