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| 1 // Copyright 2015 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/utility_process_mojo_proxy_resolver_factory.h" |
| 6 |
| 7 #include "base/logging.h" |
| 8 #include "base/memory/singleton.h" |
| 9 #include "content/public/browser/browser_thread.h" |
| 10 #include "content/public/browser/utility_process_host.h" |
| 11 #include "content/public/browser/utility_process_host_client.h" |
| 12 #include "content/public/common/service_registry.h" |
| 13 #include "net/proxy/mojo_proxy_resolver_factory.h" |
| 14 |
| 15 // static |
| 16 UtilityProcessMojoProxyResolverFactory* |
| 17 UtilityProcessMojoProxyResolverFactory::GetInstance() { |
| 18 DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| 19 return Singleton< |
| 20 UtilityProcessMojoProxyResolverFactory, |
| 21 LeakySingletonTraits<UtilityProcessMojoProxyResolverFactory>>::get(); |
| 22 } |
| 23 |
| 24 UtilityProcessMojoProxyResolverFactory:: |
| 25 UtilityProcessMojoProxyResolverFactory() { |
| 26 DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| 27 } |
| 28 |
| 29 UtilityProcessMojoProxyResolverFactory:: |
| 30 ~UtilityProcessMojoProxyResolverFactory() { |
| 31 DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| 32 } |
| 33 |
| 34 void UtilityProcessMojoProxyResolverFactory::CreateProcessAndConnect() { |
| 35 DVLOG(1) << "Attempting to create utility process for proxy resolver"; |
| 36 content::UtilityProcessHost* utility_process_host = |
| 37 content::UtilityProcessHost::Create( |
| 38 scoped_refptr<content::UtilityProcessHostClient>(), |
| 39 base::MessageLoopProxy::current().get()); |
| 40 bool process_started = utility_process_host->StartMojoMode(); |
| 41 if (process_started) { |
| 42 content::ServiceRegistry* service_registry = |
| 43 utility_process_host->GetServiceRegistry(); |
| 44 service_registry->ConnectToRemoteService(&resolver_factory_); |
| 45 resolver_factory_.set_error_handler(this); |
| 46 } else { |
| 47 LOG(ERROR) << "Unable to connect to utility process"; |
| 48 } |
| 49 } |
| 50 |
| 51 void UtilityProcessMojoProxyResolverFactory::Create( |
| 52 mojo::InterfaceRequest<net::interfaces::ProxyResolver> req, |
| 53 net::interfaces::HostResolverPtr host_resolver) { |
| 54 DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| 55 if (!resolver_factory_) |
| 56 CreateProcessAndConnect(); |
| 57 |
| 58 if (!resolver_factory_) { |
| 59 // If there's still no factory, then utility process creation failed so |
| 60 // close |req|'s message pipe, which should cause a connection error. |
| 61 req = nullptr; |
| 62 return; |
| 63 } |
| 64 resolver_factory_->CreateResolver(req.Pass(), host_resolver.Pass()); |
| 65 } |
| 66 |
| 67 void UtilityProcessMojoProxyResolverFactory::OnConnectionError() { |
| 68 DVLOG(1) << "Disconnection from utility process detected"; |
| 69 resolver_factory_.reset(); |
| 70 } |
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