| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "net/proxy/mojo_proxy_resolver_factory_impl.h" |
| |
| #include "net/dns/host_resolver_mojo.h" |
| #include "net/proxy/mojo_proxy_resolver_impl.h" |
| #include "net/proxy/proxy_resolver_v8.h" |
| #include "net/proxy/proxy_resolver_v8_tracing.h" |
| #include "third_party/mojo/src/mojo/public/cpp/bindings/error_handler.h" |
| |
| namespace net { |
| namespace { |
| |
| scoped_ptr<ProxyResolver> CreateDefaultProxyResolver( |
| HostResolver* host_resolver, |
| const ProxyResolver::LoadStateChangedCallback& callback) { |
| return make_scoped_ptr( |
| new ProxyResolverV8Tracing(host_resolver, nullptr, nullptr, callback)); |
| } |
| |
| // A class to manage the lifetime of a MojoProxyResolverImpl and a |
| // HostResolverMojo. An instance will remain while the message pipes for both |
| // mojo connections remain open. |
| class MojoProxyResolverHolder : public mojo::ErrorHandler { |
| public: |
| MojoProxyResolverHolder( |
| const MojoProxyResolverFactoryImpl::Factory& proxy_resolver_factory, |
| mojo::InterfaceRequest<interfaces::ProxyResolver> request, |
| interfaces::HostResolverPtr host_resolver); |
| |
| private: |
| // mojo::ErrorHandler override. |
| void OnConnectionError() override; |
| |
| void LoadStateChanged(ProxyResolver::RequestHandle handle, |
| LoadState load_state); |
| |
| HostResolverMojo host_resolver_; |
| MojoProxyResolverImpl proxy_resolver_; |
| mojo::Binding<interfaces::ProxyResolver> binding_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MojoProxyResolverHolder); |
| }; |
| |
| MojoProxyResolverHolder::MojoProxyResolverHolder( |
| const MojoProxyResolverFactoryImpl::Factory& proxy_resolver_factory, |
| mojo::InterfaceRequest<interfaces::ProxyResolver> request, |
| interfaces::HostResolverPtr host_resolver) |
| : host_resolver_(host_resolver.Pass(), |
| base::Bind(&MojoProxyResolverHolder::OnConnectionError, |
| base::Unretained(this))), |
| proxy_resolver_(proxy_resolver_factory.Run( |
| &host_resolver_, |
| base::Bind(&MojoProxyResolverHolder::LoadStateChanged, |
| base::Unretained(this)))), |
| binding_(&proxy_resolver_, request.Pass()) { |
| binding_.set_error_handler(this); |
| } |
| |
| void MojoProxyResolverHolder::OnConnectionError() { |
| delete this; |
| } |
| |
| void MojoProxyResolverHolder::LoadStateChanged( |
| ProxyResolver::RequestHandle handle, |
| LoadState load_state) { |
| proxy_resolver_.LoadStateChanged(handle, load_state); |
| } |
| |
| } // namespace |
| |
| MojoProxyResolverFactoryImpl::MojoProxyResolverFactoryImpl( |
| const MojoProxyResolverFactoryImpl::Factory& proxy_resolver_factory, |
| mojo::InterfaceRequest<interfaces::ProxyResolverFactory> request) |
| : proxy_resolver_impl_factory_(proxy_resolver_factory), |
| binding_(this, request.Pass()) { |
| } |
| |
| MojoProxyResolverFactoryImpl::MojoProxyResolverFactoryImpl( |
| mojo::InterfaceRequest<interfaces::ProxyResolverFactory> request) |
| : MojoProxyResolverFactoryImpl(base::Bind(&CreateDefaultProxyResolver), |
| request.Pass()) { |
| } |
| |
| MojoProxyResolverFactoryImpl::~MojoProxyResolverFactoryImpl() = default; |
| |
| void MojoProxyResolverFactoryImpl::CreateResolver( |
| mojo::InterfaceRequest<interfaces::ProxyResolver> request, |
| interfaces::HostResolverPtr host_resolver) { |
| // The MojoProxyResolverHolder will delete itself when either |request| or |
| // |host_resolver| encounters a connection error, that is, when either the |
| // ProxyResolver client or the HostResolver implementation is deleted. |
| new MojoProxyResolverHolder(proxy_resolver_impl_factory_, request.Pass(), |
| host_resolver.Pass()); |
| } |
| |
| } // namespace net |