| // Copyright 2013 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/service_discovery_shared_client.h" |
| |
| #include "content/public/browser/browser_thread.h" |
| |
| #if defined(OS_WIN) |
| #include "base/files/file_path.h" |
| #include "base/metrics/histogram.h" |
| #include "base/path_service.h" |
| #include "base/timer/elapsed_timer.h" |
| #include "chrome/installer/util/browser_distribution.h" |
| #include "chrome/installer/util/firewall_manager_win.h" |
| #endif // OS_WIN |
| |
| #if defined(OS_MACOSX) |
| #include "chrome/browser/local_discovery/service_discovery_client_mac_factory.h" |
| #endif |
| |
| #if defined(ENABLE_MDNS) |
| #include "chrome/browser/local_discovery/service_discovery_client_mdns.h" |
| #include "chrome/browser/local_discovery/service_discovery_client_utility.h" |
| #endif // ENABLE_MDNS |
| |
| namespace { |
| |
| #if defined(OS_WIN) |
| |
| bool g_is_firewall_ready = false; |
| bool g_is_firewall_state_reported = false; |
| |
| void ReportFirewallStats() { |
| if (g_is_firewall_state_reported) |
| return; |
| g_is_firewall_state_reported = true; |
| base::FilePath exe_path; |
| if (!PathService::Get(base::FILE_EXE, &exe_path)) |
| return; |
| base::ElapsedTimer timer; |
| scoped_ptr<installer::FirewallManager> manager = |
| installer::FirewallManager::Create(BrowserDistribution::GetDistribution(), |
| exe_path); |
| if (!manager) |
| return; |
| g_is_firewall_ready = manager->CanUseLocalPorts(); |
| UMA_HISTOGRAM_TIMES("LocalDiscovery.FirewallAccessTime", timer.Elapsed()); |
| UMA_HISTOGRAM_BOOLEAN("LocalDiscovery.IsFirewallReady", g_is_firewall_ready); |
| } |
| #endif // OS_WIN |
| |
| } // namespace |
| |
| |
| namespace local_discovery { |
| |
| using content::BrowserThread; |
| |
| namespace { |
| ServiceDiscoverySharedClient* g_service_discovery_client = NULL; |
| } // namespace |
| |
| ServiceDiscoverySharedClient::ServiceDiscoverySharedClient() { |
| DCHECK(!g_service_discovery_client); |
| g_service_discovery_client = this; |
| } |
| |
| ServiceDiscoverySharedClient::~ServiceDiscoverySharedClient() { |
| DCHECK_EQ(g_service_discovery_client, this); |
| g_service_discovery_client = NULL; |
| } |
| |
| #if defined(ENABLE_MDNS) || defined(OS_MACOSX) |
| |
| scoped_refptr<ServiceDiscoverySharedClient> |
| ServiceDiscoverySharedClient::GetInstance() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| |
| if (g_service_discovery_client) |
| return g_service_discovery_client; |
| |
| #if defined(OS_MACOSX) |
| return ServiceDiscoveryClientMacFactory::CreateInstance(); |
| #else // OS_MACOSX |
| |
| return new ServiceDiscoveryClientMdns(); |
| #endif // OS_MACOSX |
| } |
| |
| // static |
| void ServiceDiscoverySharedClient::GetInstanceWithoutAlert( |
| const GetInstanceCallback& callback) { |
| #if !defined(OS_WIN) |
| |
| scoped_refptr<ServiceDiscoverySharedClient> result = GetInstance(); |
| return callback.Run(result); |
| |
| #else // OS_WIN |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| // TODO(vitalybuka): Switch to |ServiceDiscoveryClientMdns| after we find what |
| // to do with firewall for user-level installs. crbug.com/366408 |
| scoped_refptr<ServiceDiscoverySharedClient> result = |
| g_service_discovery_client; |
| if (result) |
| return callback.Run(result); |
| |
| if (!g_is_firewall_state_reported) { |
| BrowserThread::PostTaskAndReply( |
| BrowserThread::FILE, |
| FROM_HERE, |
| base::Bind(&ReportFirewallStats), |
| base::Bind(&ServiceDiscoverySharedClient::GetInstanceWithoutAlert, |
| callback)); |
| return; |
| } |
| |
| result = |
| g_is_firewall_ready ? GetInstance() : new ServiceDiscoveryClientUtility(); |
| callback.Run(result); |
| #endif // OS_WIN |
| } |
| |
| #else |
| |
| scoped_refptr<ServiceDiscoverySharedClient> |
| ServiceDiscoverySharedClient::GetInstance() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| NOTIMPLEMENTED(); |
| return NULL; |
| } |
| |
| #endif // ENABLE_MDNS |
| |
| } // namespace local_discovery |