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      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       sdch_manager_(NULL),
     35       url_requests_(new std::set<const URLRequest*>) {
     36 }
     37 
     38 URLRequestContext::~URLRequestContext() {
     39   AssertNoURLRequests();
     40 }
     41 
     42 void 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 
     64 const 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 
     75 scoped_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 
     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
    113