// Copyright 2019 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 COMPONENTS_OPENSCREEN_PLATFORM_TLS_CLIENT_CONNECTION_H_ #define COMPONENTS_OPENSCREEN_PLATFORM_TLS_CLIENT_CONNECTION_H_ #include "base/memory/raw_ptr.h" #include "mojo/public/cpp/bindings/remote.h" #include "mojo/public/cpp/system/data_pipe.h" #include "mojo/public/cpp/system/simple_watcher.h" #include "services/network/public/mojom/tcp_socket.mojom.h" #include "services/network/public/mojom/tls_socket.mojom.h" #include "third_party/openscreen/src/platform/api/task_runner.h" #include "third_party/openscreen/src/platform/api/tls_connection.h" #include "third_party/openscreen/src/platform/base/error.h" #include "third_party/openscreen/src/platform/base/ip_address.h" namespace openscreen_platform { class TlsClientConnection final : public openscreen::TlsConnection { public: TlsClientConnection( openscreen::TaskRunner* task_runner, openscreen::IPEndpoint local_address, openscreen::IPEndpoint remote_address, mojo::ScopedDataPipeConsumerHandle receive_stream, mojo::ScopedDataPipeProducerHandle send_stream, mojo::Remote tcp_socket, mojo::Remote tls_socket); ~TlsClientConnection() final; // TlsConnection overrides. void SetClient(Client* client) final; bool Send(const void* data, size_t len) final; openscreen::IPEndpoint GetRemoteEndpoint() const final; // The maximum size of the vector in any single Client::OnRead() callback. static constexpr uint32_t kMaxBytesPerRead = 64 << 10; // 64 KB. private: // Invoked by |receive_stream_watcher_| when the |receive_stream_|'s status // has changed. Calls Client::OnRead() if data has become available. void ReceiveMore(MojoResult result, const mojo::HandleSignalsState& state); // Classifies MojoResult codes into one of three categories: kOk, kAgain for // transient errors, or |error_code_if_fatal| for fatal errors. If the result // is a fatal error, this also invokes Client::OnError(). openscreen::Error::Code ProcessMojoResult( MojoResult result, openscreen::Error::Code error_code_if_fatal); const raw_ptr task_runner_ = nullptr; const openscreen::IPEndpoint local_address_; const openscreen::IPEndpoint remote_address_; const mojo::ScopedDataPipeConsumerHandle receive_stream_; const mojo::ScopedDataPipeProducerHandle send_stream_; const mojo::Remote tcp_socket_; const mojo::Remote tls_socket_; mojo::SimpleWatcher receive_stream_watcher_; raw_ptr client_ = nullptr; }; } // namespace openscreen_platform #endif // COMPONENTS_OPENSCREEN_PLATFORM_TLS_CLIENT_CONNECTION_H_