proxy_service_factory.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019
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 "chrome/browser/net/proxy_service_factory.h" 6 7#include "base/command_line.h" 8#include "base/string_number_conversions.h" 9#include "base/threading/thread.h" 10#include "chrome/browser/browser_process.h" 11#include "chrome/browser/io_thread.h" 12#include "chrome/browser/net/pref_proxy_config_tracker.h" 13#include "chrome/common/chrome_switches.h" 14#include "content/public/browser/browser_thread.h" 15#include "net/base/net_log.h" 16#include "net/proxy/dhcp_proxy_script_fetcher_factory.h" 17#include "net/proxy/proxy_config_service.h" 18#include "net/proxy/proxy_script_fetcher_impl.h" 19#include "net/proxy/proxy_service.h" 20#include "net/proxy/proxy_service_v8.h" 21#include "net/url_request/url_request_context.h" 22 23#if defined(OS_CHROMEOS) 24#include "chrome/browser/chromeos/proxy_config_service_impl.h" 25#endif // defined(OS_CHROMEOS) 26 27using content::BrowserThread; 28 29// static 30ChromeProxyConfigService* ProxyServiceFactory::CreateProxyConfigService( 31 bool wait_for_first_update) { 32 // The linux gconf-based proxy settings getter relies on being initialized 33 // from the UI thread. 34 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 35 36 net::ProxyConfigService* base_service = NULL; 37 38#if !defined(OS_CHROMEOS) 39 // On ChromeOS, base service is NULL; chromeos::ProxyConfigServiceImpl 40 // determines the effective proxy config to take effect in the network layer, 41 // be it from prefs or system (which is network shill on chromeos). 42 43 // For other platforms, create a baseline service that provides proxy 44 // configuration in case nothing is configured through prefs (Note: prefs 45 // include command line and configuration policy). 46 47 // TODO(port): the IO and FILE message loops are only used by Linux. Can 48 // that code be moved to chrome/browser instead of being in net, so that it 49 // can use BrowserThread instead of raw MessageLoop pointers? See bug 25354. 50 base_service = net::ProxyService::CreateSystemProxyConfigService( 51 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO), 52 BrowserThread::UnsafeGetMessageLoopForThread(BrowserThread::FILE)); 53#endif // !defined(OS_CHROMEOS) 54 55 return new ChromeProxyConfigService(base_service, wait_for_first_update); 56} 57 58#if defined(OS_CHROMEOS) 59// static 60chromeos::ProxyConfigServiceImpl* 61 ProxyServiceFactory::CreatePrefProxyConfigTracker( 62 PrefService* pref_service) { 63 return new chromeos::ProxyConfigServiceImpl(pref_service); 64} 65#else 66// static 67PrefProxyConfigTrackerImpl* ProxyServiceFactory::CreatePrefProxyConfigTracker( 68 PrefService* pref_service) { 69 return new PrefProxyConfigTrackerImpl(pref_service); 70} 71#endif // defined(OS_CHROMEOS) 72 73// static 74net::ProxyService* ProxyServiceFactory::CreateProxyService( 75 net::NetLog* net_log, 76 net::URLRequestContext* context, 77 net::ProxyConfigService* proxy_config_service, 78 const CommandLine& command_line) { 79 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 80 81#if defined(OS_IOS) 82 bool use_v8 = false; 83#else 84 bool use_v8 = !command_line.HasSwitch(switches::kWinHttpProxyResolver); 85 if (use_v8 && command_line.HasSwitch(switches::kSingleProcess)) { 86 // See the note about V8 multithreading in net/proxy/proxy_resolver_v8.h 87 // to understand why we have this limitation. 88 LOG(ERROR) << "Cannot use V8 Proxy resolver in single process mode."; 89 use_v8 = false; // Fallback to non-v8 implementation. 90 } 91#endif // defined(OS_IOS) 92 93 size_t num_pac_threads = 0u; // Use default number of threads. 94 95 // Check the command line for an override on the number of proxy resolver 96 // threads to use. 97 if (command_line.HasSwitch(switches::kNumPacThreads)) { 98 std::string s = command_line.GetSwitchValueASCII(switches::kNumPacThreads); 99 100 // Parse the switch (it should be a positive integer formatted as decimal). 101 int n; 102 if (base::StringToInt(s, &n) && n > 0) { 103 num_pac_threads = static_cast<size_t>(n); 104 } else { 105 LOG(ERROR) << "Invalid switch for number of PAC threads: " << s; 106 } 107 } 108 109 net::ProxyService* proxy_service; 110 if (use_v8) { 111#if defined(OS_IOS) 112 NOTREACHED(); 113#else 114 net::DhcpProxyScriptFetcherFactory dhcp_factory; 115 if (command_line.HasSwitch(switches::kDisableDhcpWpad)) { 116 dhcp_factory.set_enabled(false); 117 } 118 119 proxy_service = net::CreateProxyServiceUsingV8ProxyResolver( 120 proxy_config_service, 121 num_pac_threads, 122 new net::ProxyScriptFetcherImpl(context), 123 dhcp_factory.Create(context), 124 context->host_resolver(), 125 net_log, 126 context->network_delegate()); 127#endif // defined(OS_IOS) 128 } else { 129 proxy_service = net::ProxyService::CreateUsingSystemProxyResolver( 130 proxy_config_service, 131 num_pac_threads, 132 net_log); 133 } 134 135 return proxy_service; 136} 137