Enable devices page UI on MacOSX

chrome/browser/local_discovery/privet_http_asynchronous_factory_impl.cc

+// Copyright 2014 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 "chrome/browser/local_discovery/privet_http_asynchronous_factory_impl.h"
+
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/strings/stringprintf.h"
+#include "chrome/browser/local_discovery/privet_http_impl.h"
+#include "chrome/common/chrome_switches.h"
+
+namespace local_discovery {
+
+namespace {
+
+std::string IPAddressToHostString(const net::IPAddressNumber& address) {
+  std::string address_str = net::IPAddressToString(address);
+
+  // IPv6 addresses need to be surrounded by brackets.
+  if (address.size() == net::kIPv6AddressSize) {
+    address_str = base::StringPrintf("[%s]", address_str.c_str());
+  }
+
+  return address_str;
+}
+
+}  // namespace
+
+PrivetHTTPAsynchronousFactoryImpl::PrivetHTTPAsynchronousFactoryImpl(
+    ServiceDiscoveryClient* service_discovery_client,
+    net::URLRequestContextGetter* request_context)
+    : service_discovery_client_(service_discovery_client),
+      request_context_(request_context) {}
+
+PrivetHTTPAsynchronousFactoryImpl::~PrivetHTTPAsynchronousFactoryImpl() {}
+
+scoped_ptr<PrivetHTTPResolution>
+PrivetHTTPAsynchronousFactoryImpl::CreatePrivetHTTP(
+    const std::string& name,
+    const net::HostPortPair& address,
+    const ResultCallback& callback) {
+  return scoped_ptr<PrivetHTTPResolution>(
+      new ResolutionImpl(name,
+                         address,
+                         callback,
+                         service_discovery_client_,
+                         request_context_.get()));
+}
+
+PrivetHTTPAsynchronousFactoryImpl::ResolutionImpl::ResolutionImpl(
+    const std::string& name,
+    const net::HostPortPair& address,
+    const ResultCallback& callback,
+    ServiceDiscoveryClient* service_discovery_client,
+    net::URLRequestContextGetter* request_context)
+    : name_(name),
+      hostport_(address),
+      callback_(callback),
+      request_context_(request_context) {
+  net::AddressFamily address_family = net::ADDRESS_FAMILY_UNSPECIFIED;
+
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kPrivetIPv6Only)) {
+    address_family = net::ADDRESS_FAMILY_IPV6;
+  }
+
+  resolver_ = service_discovery_client->CreateLocalDomainResolver(
+      address.host(),
+      address_family,
+      base::Bind(&ResolutionImpl::ResolveComplete, base::Unretained(this)));
+}
+
+PrivetHTTPAsynchronousFactoryImpl::ResolutionImpl::~ResolutionImpl() {}
+
+void PrivetHTTPAsynchronousFactoryImpl::ResolutionImpl::Start() {
+  resolver_->Start();
+}
+
+const std::string&
+PrivetHTTPAsynchronousFactoryImpl::ResolutionImpl::GetName() {
+  return name_;
+}
+
+void PrivetHTTPAsynchronousFactoryImpl::ResolutionImpl::ResolveComplete(
+    bool success,
+    const net::IPAddressNumber& address_ipv4,
+    const net::IPAddressNumber& address_ipv6) {
+  if (!success) {
+    callback_.Run(scoped_ptr<PrivetHTTPClient>());
+    return;
+  }
+
+  net::IPAddressNumber address = address_ipv4;
+  if (address.empty())
+    address = address_ipv6;
+
+  DCHECK(!address.empty());
+
+  net::HostPortPair new_address =
+      net::HostPortPair(IPAddressToHostString(address), hostport_.port());
+  callback_.Run(scoped_ptr<PrivetHTTPClient>(
+      new PrivetHTTPClientImpl(name_, new_address, request_context_.get())));
+}
+
+}  // namespace local_discovery