| // 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 "components/cast_channel/cast_socket.h" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/callback_helpers.h" |
| #include "base/format_macros.h" |
| #include "base/lazy_instance.h" |
| #include "base/location.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/numerics/safe_conversions.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/sys_byteorder.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/time/time.h" |
| #include "components/cast_channel/cast_auth_util.h" |
| #include "components/cast_channel/cast_framer.h" |
| #include "components/cast_channel/cast_message_util.h" |
| #include "components/cast_channel/cast_transport.h" |
| #include "components/cast_channel/keep_alive_delegate.h" |
| #include "components/cast_channel/logger.h" |
| #include "components/cast_channel/proto/cast_channel.pb.h" |
| #include "net/base/address_list.h" |
| #include "net/base/host_port_pair.h" |
| #include "net/base/net_errors.h" |
| #include "net/cert/cert_verifier.h" |
| #include "net/cert/cert_verify_result.h" |
| #include "net/cert/ct_policy_enforcer.h" |
| #include "net/cert/multi_log_ct_verifier.h" |
| #include "net/cert/x509_certificate.h" |
| #include "net/http/transport_security_state.h" |
| #include "net/log/net_log.h" |
| #include "net/log/net_log_source_type.h" |
| #include "net/socket/client_socket_factory.h" |
| #include "net/socket/client_socket_handle.h" |
| #include "net/socket/ssl_client_socket.h" |
| #include "net/socket/stream_socket.h" |
| #include "net/socket/tcp_client_socket.h" |
| #include "net/ssl/ssl_config_service.h" |
| #include "net/ssl/ssl_info.h" |
| |
| // Helper for logging data with remote host IP and authentication state. |
| // Assumes |ip_endpoint_| of type net::IPEndPoint and |channel_auth_| of enum |
| // type ChannelAuthType are available in the current scope. |
| #define CONNECTION_INFO() \ |
| "[" << open_params_.ip_endpoint.ToString() << ", auth=SSL_VERIFIED" \ |
| << "] " |
| #define VLOG_WITH_CONNECTION(level) VLOG(level) << CONNECTION_INFO() |
| #define LOG_WITH_CONNECTION(level) LOG(level) << CONNECTION_INFO() |
| |
| namespace cast_channel { |
| namespace { |
| |
| bool IsTerminalState(ConnectionState state) { |
| return state == ConnectionState::FINISHED || |
| state == ConnectionState::CONNECT_ERROR || |
| state == ConnectionState::TIMEOUT; |
| } |
| |
| // Cert verifier which blindly accepts all certificates, regardless of validity. |
| class FakeCertVerifier : public net::CertVerifier { |
| public: |
| FakeCertVerifier() {} |
| ~FakeCertVerifier() override {} |
| |
| int Verify(const RequestParams& params, |
| net::CRLSet*, |
| net::CertVerifyResult* verify_result, |
| const net::CompletionCallback&, |
| std::unique_ptr<Request>*, |
| const net::NetLogWithSource&) override { |
| verify_result->Reset(); |
| verify_result->verified_cert = params.certificate(); |
| return net::OK; |
| } |
| }; |
| |
| } // namespace |
| |
| CastSocketImpl::CastSocketImpl(const CastSocketOpenParams& open_params, |
| const scoped_refptr<Logger>& logger) |
| : CastSocketImpl(open_params, logger, AuthContext::Create()) {} |
| |
| CastSocketImpl::CastSocketImpl(const CastSocketOpenParams& open_params, |
| const scoped_refptr<Logger>& logger, |
| const AuthContext& auth_context) |
| : channel_id_(0), |
| open_params_(open_params), |
| logger_(logger), |
| auth_context_(auth_context), |
| connect_timeout_timer_(new base::OneShotTimer), |
| is_canceled_(false), |
| audio_only_(false), |
| connect_state_(ConnectionState::START_CONNECT), |
| error_state_(ChannelError::NONE), |
| ready_state_(ReadyState::NONE), |
| auth_delegate_(nullptr) { |
| DCHECK(open_params.ip_endpoint.address().IsValid()); |
| DCHECK(open_params_.net_log); |
| net_log_source_.type = net::NetLogSourceType::SOCKET; |
| net_log_source_.id = open_params_.net_log->NextID(); |
| } |
| |
| CastSocketImpl::~CastSocketImpl() { |
| // Ensure that resources are freed but do not run pending callbacks that |
| // would result in re-entrancy. |
| CloseInternal(); |
| |
| for (auto& connect_callback : connect_callbacks_) |
| std::move(connect_callback).Run(channel_id_, ChannelError::UNKNOWN); |
| connect_callbacks_.clear(); |
| } |
| |
| ReadyState CastSocketImpl::ready_state() const { |
| return ready_state_; |
| } |
| |
| ChannelError CastSocketImpl::error_state() const { |
| return error_state_; |
| } |
| |
| const net::IPEndPoint& CastSocketImpl::ip_endpoint() const { |
| return open_params_.ip_endpoint; |
| } |
| |
| int CastSocketImpl::id() const { |
| return channel_id_; |
| } |
| |
| void CastSocketImpl::set_id(int id) { |
| channel_id_ = id; |
| } |
| |
| bool CastSocketImpl::keep_alive() const { |
| return open_params_.liveness_timeout > base::TimeDelta(); |
| } |
| |
| bool CastSocketImpl::audio_only() const { |
| return audio_only_; |
| } |
| |
| std::unique_ptr<net::TCPClientSocket> CastSocketImpl::CreateTcpSocket() { |
| net::AddressList addresses(open_params_.ip_endpoint); |
| return std::unique_ptr<net::TCPClientSocket>(new net::TCPClientSocket( |
| addresses, nullptr, open_params_.net_log, net_log_source_)); |
| // Options cannot be set on the TCPClientSocket yet, because the |
| // underlying platform socket will not be created until Bind() |
| // or Connect() is called. |
| } |
| |
| std::unique_ptr<net::SSLClientSocket> CastSocketImpl::CreateSslSocket( |
| std::unique_ptr<net::StreamSocket> socket) { |
| net::SSLConfig ssl_config; |
| cert_verifier_ = base::WrapUnique(new FakeCertVerifier); |
| transport_security_state_.reset(new net::TransportSecurityState); |
| cert_transparency_verifier_.reset(new net::MultiLogCTVerifier()); |
| ct_policy_enforcer_.reset(new net::CTPolicyEnforcer()); |
| |
| // Note that |context| fields remain owned by CastSocketImpl. |
| net::SSLClientSocketContext context; |
| context.cert_verifier = cert_verifier_.get(); |
| context.transport_security_state = transport_security_state_.get(); |
| context.cert_transparency_verifier = cert_transparency_verifier_.get(); |
| context.ct_policy_enforcer = ct_policy_enforcer_.get(); |
| |
| std::unique_ptr<net::ClientSocketHandle> connection( |
| new net::ClientSocketHandle); |
| connection->SetSocket(std::move(socket)); |
| net::HostPortPair host_and_port = |
| net::HostPortPair::FromIPEndPoint(open_params_.ip_endpoint); |
| |
| return net::ClientSocketFactory::GetDefaultFactory()->CreateSSLClientSocket( |
| std::move(connection), host_and_port, ssl_config, context); |
| } |
| |
| scoped_refptr<net::X509Certificate> CastSocketImpl::ExtractPeerCert() { |
| net::SSLInfo ssl_info; |
| if (!socket_->GetSSLInfo(&ssl_info) || !ssl_info.cert.get()) |
| return nullptr; |
| |
| return ssl_info.cert; |
| } |
| |
| bool CastSocketImpl::VerifyChannelPolicy(const AuthResult& result) { |
| audio_only_ = (result.channel_policies & AuthResult::POLICY_AUDIO_ONLY) != 0; |
| if (audio_only_ && (open_params_.device_capabilities & |
| CastDeviceCapability::VIDEO_OUT) != 0) { |
| LOG_WITH_CONNECTION(ERROR) |
| << "Audio only channel policy enforced for video out capable device"; |
| return false; |
| } |
| return true; |
| } |
| |
| bool CastSocketImpl::VerifyChallengeReply() { |
| DCHECK(peer_cert_); |
| AuthResult result = |
| AuthenticateChallengeReply(*challenge_reply_, *peer_cert_, auth_context_); |
| logger_->LogSocketChallengeReplyEvent(channel_id_, result); |
| if (result.success()) { |
| VLOG(1) << result.error_message; |
| if (!VerifyChannelPolicy(result)) { |
| return false; |
| } |
| } |
| return result.success(); |
| } |
| |
| void CastSocketImpl::SetTransportForTesting( |
| std::unique_ptr<CastTransport> transport) { |
| transport_ = std::move(transport); |
| } |
| |
| void CastSocketImpl::Connect(OnOpenCallback callback) { |
| switch (ready_state_) { |
| case ReadyState::NONE: |
| connect_callbacks_.push_back(std::move(callback)); |
| Connect(); |
| break; |
| case ReadyState::CONNECTING: |
| connect_callbacks_.push_back(std::move(callback)); |
| break; |
| case ReadyState::OPEN: |
| std::move(callback).Run(channel_id_, ChannelError::NONE); |
| break; |
| case ReadyState::CLOSED: |
| std::move(callback).Run(channel_id_, ChannelError::CONNECT_ERROR); |
| break; |
| default: |
| NOTREACHED() << "Unknown ReadyState: " |
| << ReadyStateToString(ready_state_); |
| } |
| } |
| |
| void CastSocketImpl::Connect() { |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| VLOG_WITH_CONNECTION(1) << "Connect readyState = " |
| << ReadyStateToString(ready_state_); |
| DCHECK_EQ(ReadyState::NONE, ready_state_); |
| DCHECK_EQ(ConnectionState::START_CONNECT, connect_state_); |
| |
| delegate_ = base::MakeUnique<CastSocketMessageDelegate>(this); |
| |
| SetReadyState(ReadyState::CONNECTING); |
| SetConnectState(ConnectionState::TCP_CONNECT); |
| |
| // Set up connection timeout. |
| if (open_params_.connect_timeout.InMicroseconds() > 0) { |
| DCHECK(connect_timeout_callback_.IsCancelled()); |
| connect_timeout_callback_.Reset( |
| base::Bind(&CastSocketImpl::OnConnectTimeout, base::Unretained(this))); |
| GetTimer()->Start(FROM_HERE, open_params_.connect_timeout, |
| connect_timeout_callback_.callback()); |
| } |
| |
| DoConnectLoop(net::OK); |
| } |
| |
| CastTransport* CastSocketImpl::transport() const { |
| return transport_.get(); |
| } |
| |
| void CastSocketImpl::AddObserver(Observer* observer) { |
| DCHECK(observer); |
| if (!observers_.HasObserver(observer)) |
| observers_.AddObserver(observer); |
| } |
| |
| void CastSocketImpl::RemoveObserver(Observer* observer) { |
| DCHECK(observer); |
| observers_.RemoveObserver(observer); |
| } |
| |
| void CastSocketImpl::OnConnectTimeout() { |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| // Stop all pending connection setup tasks and report back to the client. |
| is_canceled_ = true; |
| VLOG_WITH_CONNECTION(1) << "Timeout while establishing a connection."; |
| SetErrorState(ChannelError::CONNECT_TIMEOUT); |
| DoConnectCallback(); |
| } |
| |
| void CastSocketImpl::ResetConnectLoopCallback() { |
| DCHECK(connect_loop_callback_.IsCancelled()); |
| connect_loop_callback_.Reset( |
| base::Bind(&CastSocketImpl::DoConnectLoop, base::Unretained(this))); |
| } |
| |
| void CastSocketImpl::PostTaskToStartConnectLoop(int result) { |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| |
| ResetConnectLoopCallback(); |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::Bind(connect_loop_callback_.callback(), result)); |
| } |
| |
| // This method performs the state machine transitions for connection flow. |
| // There are two entry points to this method: |
| // 1. Connect method: this starts the flow |
| // 2. Callback from network operations that finish asynchronously. |
| void CastSocketImpl::DoConnectLoop(int result) { |
| connect_loop_callback_.Cancel(); |
| if (is_canceled_) { |
| LOG_WITH_CONNECTION(ERROR) << "CANCELLED - Aborting DoConnectLoop."; |
| return; |
| } |
| |
| // Network operations can either finish synchronously or asynchronously. |
| // This method executes the state machine transitions in a loop so that |
| // correct state transitions happen even when network operations finish |
| // synchronously. |
| int rv = result; |
| do { |
| ConnectionState state = connect_state_; |
| connect_state_ = ConnectionState::UNKNOWN; |
| switch (state) { |
| case ConnectionState::TCP_CONNECT: |
| rv = DoTcpConnect(); |
| break; |
| case ConnectionState::TCP_CONNECT_COMPLETE: |
| rv = DoTcpConnectComplete(rv); |
| break; |
| case ConnectionState::SSL_CONNECT: |
| DCHECK_EQ(net::OK, rv); |
| rv = DoSslConnect(); |
| break; |
| case ConnectionState::SSL_CONNECT_COMPLETE: |
| rv = DoSslConnectComplete(rv); |
| break; |
| case ConnectionState::AUTH_CHALLENGE_SEND: |
| rv = DoAuthChallengeSend(); |
| break; |
| case ConnectionState::AUTH_CHALLENGE_SEND_COMPLETE: |
| rv = DoAuthChallengeSendComplete(rv); |
| break; |
| case ConnectionState::AUTH_CHALLENGE_REPLY_COMPLETE: |
| rv = DoAuthChallengeReplyComplete(rv); |
| DCHECK(IsTerminalState(connect_state_)); |
| break; |
| default: |
| NOTREACHED() << "Unknown state in connect flow: " << AsInteger(state); |
| SetConnectState(ConnectionState::FINISHED); |
| SetErrorState(ChannelError::UNKNOWN); |
| DoConnectCallback(); |
| return; |
| } |
| } while (rv != net::ERR_IO_PENDING && !IsTerminalState(connect_state_)); |
| // Exit the state machine if an asynchronous network operation is pending |
| // or if the state machine is in the terminal "finished" state. |
| |
| if (IsTerminalState(connect_state_)) { |
| DCHECK_NE(rv, net::ERR_IO_PENDING); |
| GetTimer()->Stop(); |
| DoConnectCallback(); |
| } else { |
| DCHECK_EQ(rv, net::ERR_IO_PENDING); |
| } |
| } |
| |
| int CastSocketImpl::DoTcpConnect() { |
| DCHECK(connect_loop_callback_.IsCancelled()); |
| VLOG_WITH_CONNECTION(1) << "DoTcpConnect"; |
| SetConnectState(ConnectionState::TCP_CONNECT_COMPLETE); |
| tcp_socket_ = CreateTcpSocket(); |
| |
| int rv = tcp_socket_->Connect( |
| base::Bind(&CastSocketImpl::DoConnectLoop, base::Unretained(this))); |
| logger_->LogSocketEventWithRv(channel_id_, ChannelEvent::TCP_SOCKET_CONNECT, |
| rv); |
| return rv; |
| } |
| |
| int CastSocketImpl::DoTcpConnectComplete(int connect_result) { |
| VLOG_WITH_CONNECTION(1) << "DoTcpConnectComplete: " << connect_result; |
| logger_->LogSocketEventWithRv( |
| channel_id_, ChannelEvent::TCP_SOCKET_CONNECT_COMPLETE, connect_result); |
| if (connect_result == net::OK) { |
| SetConnectState(ConnectionState::SSL_CONNECT); |
| } else if (connect_result == net::ERR_CONNECTION_TIMED_OUT) { |
| SetConnectState(ConnectionState::FINISHED); |
| SetErrorState(ChannelError::CONNECT_TIMEOUT); |
| } else { |
| SetConnectState(ConnectionState::FINISHED); |
| SetErrorState(ChannelError::CONNECT_ERROR); |
| } |
| return connect_result; |
| } |
| |
| int CastSocketImpl::DoSslConnect() { |
| DCHECK(connect_loop_callback_.IsCancelled()); |
| VLOG_WITH_CONNECTION(1) << "DoSslConnect"; |
| SetConnectState(ConnectionState::SSL_CONNECT_COMPLETE); |
| socket_ = CreateSslSocket(std::move(tcp_socket_)); |
| |
| int rv = socket_->Connect( |
| base::Bind(&CastSocketImpl::DoConnectLoop, base::Unretained(this))); |
| logger_->LogSocketEventWithRv(channel_id_, ChannelEvent::SSL_SOCKET_CONNECT, |
| rv); |
| return rv; |
| } |
| |
| int CastSocketImpl::DoSslConnectComplete(int result) { |
| logger_->LogSocketEventWithRv( |
| channel_id_, ChannelEvent::SSL_SOCKET_CONNECT_COMPLETE, result); |
| VLOG_WITH_CONNECTION(1) << "DoSslConnectComplete: " << result; |
| if (result == net::OK) { |
| peer_cert_ = ExtractPeerCert(); |
| |
| if (!peer_cert_) { |
| LOG_WITH_CONNECTION(WARNING) << "Could not extract peer cert."; |
| SetConnectState(ConnectionState::FINISHED); |
| SetErrorState(ChannelError::AUTHENTICATION_ERROR); |
| return net::ERR_CERT_INVALID; |
| } |
| |
| // SSL connection succeeded. |
| if (!transport_.get()) { |
| // Create a channel transport if one wasn't already set (e.g. by test |
| // code). |
| transport_.reset(new CastTransportImpl( |
| this->socket_.get(), channel_id_, open_params_.ip_endpoint, logger_)); |
| } |
| auth_delegate_ = new AuthTransportDelegate(this); |
| transport_->SetReadDelegate(base::WrapUnique(auth_delegate_)); |
| SetConnectState(ConnectionState::AUTH_CHALLENGE_SEND); |
| } else if (result == net::ERR_CONNECTION_TIMED_OUT) { |
| SetConnectState(ConnectionState::FINISHED); |
| SetErrorState(ChannelError::CONNECT_TIMEOUT); |
| } else { |
| SetConnectState(ConnectionState::FINISHED); |
| SetErrorState(ChannelError::AUTHENTICATION_ERROR); |
| } |
| return result; |
| } |
| |
| int CastSocketImpl::DoAuthChallengeSend() { |
| VLOG_WITH_CONNECTION(1) << "DoAuthChallengeSend"; |
| SetConnectState(ConnectionState::AUTH_CHALLENGE_SEND_COMPLETE); |
| |
| CastMessage challenge_message; |
| CreateAuthChallengeMessage(&challenge_message, auth_context_); |
| VLOG_WITH_CONNECTION(1) << "Sending challenge: " |
| << CastMessageToString(challenge_message); |
| |
| ResetConnectLoopCallback(); |
| transport_->SendMessage(challenge_message, connect_loop_callback_.callback()); |
| |
| // Always return IO_PENDING since the result is always asynchronous. |
| return net::ERR_IO_PENDING; |
| } |
| |
| int CastSocketImpl::DoAuthChallengeSendComplete(int result) { |
| VLOG_WITH_CONNECTION(1) << "DoAuthChallengeSendComplete: " << result; |
| if (result < 0) { |
| SetConnectState(ConnectionState::CONNECT_ERROR); |
| SetErrorState(ChannelError::CAST_SOCKET_ERROR); |
| logger_->LogSocketEventWithRv( |
| channel_id_, ChannelEvent::SEND_AUTH_CHALLENGE_FAILED, result); |
| return result; |
| } |
| transport_->Start(); |
| SetConnectState(ConnectionState::AUTH_CHALLENGE_REPLY_COMPLETE); |
| return net::ERR_IO_PENDING; |
| } |
| |
| CastSocketImpl::AuthTransportDelegate::AuthTransportDelegate( |
| CastSocketImpl* socket) |
| : socket_(socket), error_state_(ChannelError::NONE) { |
| DCHECK(socket); |
| } |
| |
| ChannelError CastSocketImpl::AuthTransportDelegate::error_state() const { |
| return error_state_; |
| } |
| |
| LastError CastSocketImpl::AuthTransportDelegate::last_error() const { |
| return last_error_; |
| } |
| |
| void CastSocketImpl::AuthTransportDelegate::OnError(ChannelError error_state) { |
| error_state_ = error_state; |
| socket_->PostTaskToStartConnectLoop(net::ERR_CONNECTION_FAILED); |
| } |
| |
| void CastSocketImpl::AuthTransportDelegate::OnMessage( |
| const CastMessage& message) { |
| if (!IsAuthMessage(message)) { |
| error_state_ = ChannelError::TRANSPORT_ERROR; |
| socket_->PostTaskToStartConnectLoop(net::ERR_INVALID_RESPONSE); |
| } else { |
| socket_->challenge_reply_.reset(new CastMessage(message)); |
| socket_->PostTaskToStartConnectLoop(net::OK); |
| } |
| } |
| |
| void CastSocketImpl::AuthTransportDelegate::Start() {} |
| |
| int CastSocketImpl::DoAuthChallengeReplyComplete(int result) { |
| VLOG_WITH_CONNECTION(1) << "DoAuthChallengeReplyComplete: " << result; |
| |
| if (auth_delegate_->error_state() != ChannelError::NONE) { |
| SetErrorState(auth_delegate_->error_state()); |
| SetConnectState(ConnectionState::CONNECT_ERROR); |
| return net::ERR_CONNECTION_FAILED; |
| } |
| auth_delegate_ = nullptr; |
| |
| if (result < 0) { |
| SetConnectState(ConnectionState::CONNECT_ERROR); |
| return result; |
| } |
| |
| if (!VerifyChallengeReply()) { |
| SetErrorState(ChannelError::AUTHENTICATION_ERROR); |
| SetConnectState(ConnectionState::CONNECT_ERROR); |
| return net::ERR_CONNECTION_FAILED; |
| } |
| VLOG_WITH_CONNECTION(1) << "Auth challenge verification succeeded"; |
| |
| SetConnectState(ConnectionState::FINISHED); |
| return net::OK; |
| } |
| |
| void CastSocketImpl::DoConnectCallback() { |
| VLOG(1) << "DoConnectCallback (error_state = " |
| << ChannelErrorToString(error_state_) << ")"; |
| if (connect_callbacks_.empty()) { |
| DLOG(FATAL) << "Connection callback invoked multiple times."; |
| return; |
| } |
| |
| if (error_state_ == ChannelError::NONE) { |
| SetReadyState(ReadyState::OPEN); |
| if (keep_alive()) { |
| auto* keep_alive_delegate = new KeepAliveDelegate( |
| this, logger_, std::move(delegate_), open_params_.ping_interval, |
| open_params_.liveness_timeout); |
| delegate_.reset(keep_alive_delegate); |
| } |
| transport_->SetReadDelegate(std::move(delegate_)); |
| } else { |
| CloseInternal(); |
| } |
| |
| for (auto& connect_callback : connect_callbacks_) |
| std::move(connect_callback).Run(channel_id_, error_state_); |
| connect_callbacks_.clear(); |
| } |
| |
| void CastSocketImpl::Close(const net::CompletionCallback& callback) { |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| CloseInternal(); |
| // Run this callback last. It may delete the socket. |
| callback.Run(net::OK); |
| } |
| |
| void CastSocketImpl::CloseInternal() { |
| // TODO(mfoltz): Enforce this when CastChannelAPITest is rewritten to create |
| // and free sockets on the same thread. crbug.com/398242 |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| if (ready_state_ == ReadyState::CLOSED) { |
| return; |
| } |
| |
| VLOG_WITH_CONNECTION(1) << "Close ReadyState = " |
| << ReadyStateToString(ready_state_); |
| transport_.reset(); |
| tcp_socket_.reset(); |
| socket_.reset(); |
| transport_security_state_.reset(); |
| if (GetTimer()) { |
| GetTimer()->Stop(); |
| } |
| |
| // Cancel callbacks that we queued ourselves to re-enter the connect or read |
| // loops. |
| connect_loop_callback_.Cancel(); |
| connect_timeout_callback_.Cancel(); |
| SetReadyState(ReadyState::CLOSED); |
| } |
| |
| base::Timer* CastSocketImpl::GetTimer() { |
| return connect_timeout_timer_.get(); |
| } |
| |
| void CastSocketImpl::SetConnectState(ConnectionState connect_state) { |
| if (connect_state_ != connect_state) { |
| connect_state_ = connect_state; |
| } |
| } |
| |
| void CastSocketImpl::SetReadyState(ReadyState ready_state) { |
| if (ready_state_ != ready_state) |
| ready_state_ = ready_state; |
| } |
| |
| void CastSocketImpl::SetErrorState(ChannelError error_state) { |
| VLOG_WITH_CONNECTION(1) << "SetErrorState " |
| << ChannelErrorToString(error_state); |
| DCHECK_EQ(ChannelError::NONE, error_state_); |
| error_state_ = error_state; |
| delegate_->OnError(error_state_); |
| } |
| |
| CastSocketImpl::CastSocketMessageDelegate::CastSocketMessageDelegate( |
| CastSocketImpl* socket) |
| : socket_(socket) { |
| DCHECK(socket_); |
| } |
| |
| CastSocketImpl::CastSocketMessageDelegate::~CastSocketMessageDelegate() {} |
| |
| // CastTransport::Delegate implementation. |
| void CastSocketImpl::CastSocketMessageDelegate::OnError( |
| ChannelError error_state) { |
| for (auto& observer : socket_->observers_) |
| observer.OnError(*socket_, error_state); |
| } |
| |
| void CastSocketImpl::CastSocketMessageDelegate::OnMessage( |
| const CastMessage& message) { |
| for (auto& observer : socket_->observers_) |
| observer.OnMessage(*socket_, message); |
| } |
| |
| void CastSocketImpl::CastSocketMessageDelegate::Start() {} |
| |
| CastSocketOpenParams::CastSocketOpenParams(const net::IPEndPoint& ip_endpoint, |
| net::NetLog* net_log, |
| base::TimeDelta connect_timeout) |
| : ip_endpoint(ip_endpoint), |
| net_log(net_log), |
| connect_timeout(connect_timeout), |
| device_capabilities(cast_channel::CastDeviceCapability::NONE) {} |
| |
| CastSocketOpenParams::CastSocketOpenParams(const net::IPEndPoint& ip_endpoint, |
| net::NetLog* net_log, |
| base::TimeDelta connect_timeout, |
| base::TimeDelta liveness_timeout, |
| base::TimeDelta ping_interval, |
| uint64_t device_capabilities) |
| : ip_endpoint(ip_endpoint), |
| net_log(net_log), |
| connect_timeout(connect_timeout), |
| liveness_timeout(liveness_timeout), |
| ping_interval(ping_interval), |
| device_capabilities(device_capabilities) {} |
| |
| } // namespace cast_channel |
| #undef VLOG_WITH_CONNECTION |