mirror of
https://github.com/kidfromjupiter/nearby.git
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141 lines
4.3 KiB
Objective-C
141 lines
4.3 KiB
Objective-C
// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef PLATFORM_IMPL_APPLE_WIFI_LAN_H_
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#define PLATFORM_IMPL_APPLE_WIFI_LAN_H_
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#import <Foundation/Foundation.h>
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#import <Network/Network.h>
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#include <string>
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#include <utility>
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#include "internal/platform/implementation/wifi_lan.h"
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#include "internal/platform/nsd_service_info.h"
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#include "internal/platform/service_address.h"
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@class GNCNWFramework;
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@class GNCNWFrameworkServerSocket;
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@class GNCNWFrameworkSocket;
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namespace nearby {
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namespace apple {
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/**
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* InputStream that reads from GNCMConnection.
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*/
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class WifiLanInputStream : public InputStream {
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public:
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explicit WifiLanInputStream(GNCNWFrameworkSocket* socket);
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~WifiLanInputStream() override = default;
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ExceptionOr<ByteArray> Read(std::int64_t size) override;
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Exception Close() override;
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private:
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GNCNWFrameworkSocket* socket_;
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};
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/**
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* OutputStream that writes to GNCMConnection.
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*/
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class WifiLanOutputStream : public OutputStream {
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public:
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explicit WifiLanOutputStream(GNCNWFrameworkSocket* socket);
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~WifiLanOutputStream() override = default;
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Exception Write(const ByteArray& data) override;
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Exception Flush() override;
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Exception Close() override;
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private:
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GNCNWFrameworkSocket* socket_;
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};
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/**
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* Concrete WifiLanSocket implementation.
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*/
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class WifiLanSocket : public api::WifiLanSocket {
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public:
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explicit WifiLanSocket(GNCNWFrameworkSocket* socket);
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~WifiLanSocket() override = default;
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InputStream& GetInputStream() override;
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OutputStream& GetOutputStream() override;
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Exception Close() override;
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private:
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GNCNWFrameworkSocket* socket_;
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std::unique_ptr<WifiLanInputStream> input_stream_;
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std::unique_ptr<WifiLanOutputStream> output_stream_;
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};
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/**
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* Concrete WifiLanServerSocket implementation.
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*/
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class WifiLanServerSocket : public api::WifiLanServerSocket {
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public:
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explicit WifiLanServerSocket(GNCNWFrameworkServerSocket* server_socket);
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~WifiLanServerSocket() override = default;
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std::string GetIPAddress() const override;
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int GetPort() const override;
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std::unique_ptr<api::WifiLanSocket> Accept() override;
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Exception Close() override;
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private:
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GNCNWFrameworkServerSocket* server_socket_;
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};
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/**
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* Concrete WifiLanMedium implementation.
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*/
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class WifiLanMedium : public api::WifiLanMedium {
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public:
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WifiLanMedium();
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// For testing only.
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explicit WifiLanMedium(GNCNWFramework* medium);
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~WifiLanMedium() override = default;
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WifiLanMedium(const WifiLanMedium&) = delete;
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WifiLanMedium& operator=(const WifiLanMedium&) = delete;
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bool IsNetworkConnected() const override { return true; }
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absl::optional<std::pair<std::int32_t, std::int32_t>> GetDynamicPortRange() override {
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return absl::nullopt;
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}
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bool StartAdvertising(const NsdServiceInfo& nsd_service_info) override;
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bool StopAdvertising(const NsdServiceInfo& nsd_service_info) override;
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bool StartDiscovery(const std::string& service_type, DiscoveredServiceCallback callback) override;
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bool StopDiscovery(const std::string& service_type) override;
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std::unique_ptr<api::WifiLanSocket> ConnectToService(
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const NsdServiceInfo& remote_service_info, CancellationFlag* cancellation_flag) override;
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std::unique_ptr<api::WifiLanSocket> ConnectToService(
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const ServiceAddress& service_address, CancellationFlag* cancellation_flag) override;
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std::unique_ptr<api::WifiLanServerSocket> ListenForService(int port) override;
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std::vector<ServiceAddress> GetUpgradeAddressCandidates(const api::WifiLanServerSocket& server_socket) override;
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private:
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GNCNWFramework* medium_;
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DiscoveredServiceCallback service_callback_;
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absl::AnyInvocable<void(NsdServiceInfo)> service_discovered_cb_;
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absl::AnyInvocable<void(NsdServiceInfo)> service_lost_cb_;
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};
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} // namespace apple
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} // namespace nearby
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#endif // PLATFORM_IMPL_APPLE_WIFI_LAN_H_
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