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// 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.
#ifndef CHROME_BROWSER_LOCAL_DISCOVERY_SERVICE_DISCOVERY_CLIENT_MAC_H_
#define CHROME_BROWSER_LOCAL_DISCOVERY_SERVICE_DISCOVERY_CLIENT_MAC_H_
#import <Foundation/Foundation.h>
#include <string>
#include "base/mac/scoped_nsobject.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "chrome/browser/local_discovery/service_discovery_shared_client.h"
#include "content/public/browser/browser_thread.h"
namespace base {
class Thread;
}
namespace local_discovery {
template <class T>
class ServiceDiscoveryThreadDeleter {
public:
inline void operator()(T* t) { t->DeleteSoon(); }
};
// Implementation of ServiceDiscoveryClient that uses the Bonjour SDK.
// https://developer.apple.com/library/mac/documentation/Networking/Conceptual/
// NSNetServiceProgGuide/Articles/BrowsingForServices.html
class ServiceDiscoveryClientMac : public ServiceDiscoverySharedClient {
public:
ServiceDiscoveryClientMac();
private:
~ServiceDiscoveryClientMac() override;
// ServiceDiscoveryClient implementation.
scoped_ptr<ServiceWatcher> CreateServiceWatcher(
const std::string& service_type,
const ServiceWatcher::UpdatedCallback& callback) override;
scoped_ptr<ServiceResolver> CreateServiceResolver(
const std::string& service_name,
const ServiceResolver::ResolveCompleteCallback& callback) override;
scoped_ptr<LocalDomainResolver> CreateLocalDomainResolver(
const std::string& domain,
net::AddressFamily address_family,
const LocalDomainResolver::IPAddressCallback& callback) override;
void StartThreadIfNotStarted();
scoped_ptr<base::Thread> service_discovery_thread_;
DISALLOW_COPY_AND_ASSIGN(ServiceDiscoveryClientMac);
};
class ServiceWatcherImplMac : public ServiceWatcher {
public:
class NetServiceBrowserContainer {
public:
NetServiceBrowserContainer(
const std::string& service_type,
const ServiceWatcher::UpdatedCallback& callback,
scoped_refptr<base::SingleThreadTaskRunner> service_discovery_runner);
~NetServiceBrowserContainer();
void Start();
void DiscoverNewServices();
void OnServicesUpdate(ServiceWatcher::UpdateType update,
const std::string& service);
void DeleteSoon();
private:
void StartOnDiscoveryThread();
void DiscoverOnDiscoveryThread();
bool IsOnServiceDiscoveryThread() {
return base::ThreadTaskRunnerHandle::Get() ==
service_discovery_runner_.get();
}
std::string service_type_;
ServiceWatcher::UpdatedCallback callback_;
scoped_refptr<base::SingleThreadTaskRunner> callback_runner_;
scoped_refptr<base::SingleThreadTaskRunner> service_discovery_runner_;
base::scoped_nsobject<id> delegate_;
base::scoped_nsobject<NSNetServiceBrowser> browser_;
base::WeakPtrFactory<NetServiceBrowserContainer> weak_factory_;
};
ServiceWatcherImplMac(
const std::string& service_type,
const ServiceWatcher::UpdatedCallback& callback,
scoped_refptr<base::SingleThreadTaskRunner> service_discovery_runner);
void OnServicesUpdate(ServiceWatcher::UpdateType update,
const std::string& service);
private:
~ServiceWatcherImplMac() override;
void Start() override;
void DiscoverNewServices(bool force_update) override;
void SetActivelyRefreshServices(bool actively_refresh_services) override;
std::string GetServiceType() const override;
std::string service_type_;
ServiceWatcher::UpdatedCallback callback_;
bool started_;
scoped_ptr<NetServiceBrowserContainer,
ServiceDiscoveryThreadDeleter<NetServiceBrowserContainer> >
container_;
base::WeakPtrFactory<ServiceWatcherImplMac> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ServiceWatcherImplMac);
};
class ServiceResolverImplMac : public ServiceResolver {
public:
class NetServiceContainer {
public:
NetServiceContainer(
const std::string& service_name,
const ServiceResolver::ResolveCompleteCallback& callback,
scoped_refptr<base::SingleThreadTaskRunner> service_discovery_runner);
virtual ~NetServiceContainer();
void StartResolving();
void OnResolveUpdate(RequestStatus);
void SetServiceForTesting(base::scoped_nsobject<NSNetService> service);
void DeleteSoon();
private:
void StartResolvingOnDiscoveryThread();
bool IsOnServiceDiscoveryThread() {
return base::ThreadTaskRunnerHandle::Get() ==
service_discovery_runner_.get();
}
const std::string service_name_;
ServiceResolver::ResolveCompleteCallback callback_;
scoped_refptr<base::SingleThreadTaskRunner> callback_runner_;
scoped_refptr<base::SingleThreadTaskRunner> service_discovery_runner_;
base::scoped_nsobject<id> delegate_;
base::scoped_nsobject<NSNetService> service_;
ServiceDescription service_description_;
base::WeakPtrFactory<NetServiceContainer> weak_factory_;
};
ServiceResolverImplMac(
const std::string& service_name,
const ServiceResolver::ResolveCompleteCallback& callback,
scoped_refptr<base::SingleThreadTaskRunner> service_discovery_runner);
// Testing methods.
NetServiceContainer* GetContainerForTesting();
private:
~ServiceResolverImplMac() override;
void StartResolving() override;
std::string GetName() const override;
void OnResolveComplete(RequestStatus status,
const ServiceDescription& description);
const std::string service_name_;
ServiceResolver::ResolveCompleteCallback callback_;
bool has_resolved_;
scoped_ptr<NetServiceContainer,
ServiceDiscoveryThreadDeleter<NetServiceContainer> > container_;
base::WeakPtrFactory<ServiceResolverImplMac> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ServiceResolverImplMac);
};
} // namespace local_discovery
#endif // CHROME_BROWSER_LOCAL_DISCOVERY_SERVICE_DISCOVERY_CLIENT_MAC_H_
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