| 1 | /*++ |
| 2 | |
| 3 | Copyright (c) Microsoft. All rights reserved. |
| 4 | |
| 5 | Module Name: |
| 6 | |
| 7 | LxssServerPort.cpp |
| 8 | |
| 9 | Abstract: |
| 10 | |
| 11 | This file contains a wrapper class for LxBus server ports. |
| 12 | |
| 13 | --*/ |
| 14 | |
| 15 | #include "precomp.h" |
| 16 | #include "LxssServerPort.h" |
| 17 | #include "LxssMessagePort.h" |
| 18 | |
| 19 | LxssServerPort::LxssServerPort() |
| 20 | { |
| 21 | } |
| 22 | |
| 23 | LxssServerPort::LxssServerPort(_In_ wil::unique_handle&& ServerPortHandle) : m_serverPort(std::move(ServerPortHandle)) |
| 24 | { |
| 25 | } |
| 26 | |
| 27 | void LxssServerPort::RegisterLxBusServer(_In_ const wil::unique_handle& InstanceHandle, _In_ LPCSTR ServerName) |
| 28 | { |
| 29 | WI_ASSERT(!m_serverPort); |
| 30 | |
| 31 | LXBUS_REGISTER_SERVER_PARAMETERS RegisterServer = {}; |
| 32 | RegisterServer.Input.ServerName = ServerName; |
| 33 | THROW_IF_NTSTATUS_FAILED(LxBusClientRegisterServer(InstanceHandle.get(), &RegisterServer)); |
| 34 | |
| 35 | m_serverPort.reset(UlongToHandle(RegisterServer.Output.ServerPort)); |
| 36 | } |
| 37 | |
| 38 | HANDLE |
| 39 | LxssServerPort::ReleaseServerPort() |
| 40 | { |
| 41 | return m_serverPort.release(); |
| 42 | } |
| 43 | |
| 44 | std::unique_ptr<LxssMessagePort> LxssServerPort::WaitForConnection(_In_ ULONG TimeoutMs) |
| 45 | { |
| 46 | std::unique_ptr<LxssMessagePort> MessagePort; |
| 47 | THROW_IF_NTSTATUS_FAILED(WaitForConnectionNoThrow(&MessagePort, TimeoutMs)); |
| 48 | |
| 49 | return MessagePort; |
| 50 | } |
| 51 | |
| 52 | NTSTATUS |
| 53 | LxssServerPort::WaitForConnectionNoThrow(_Out_ std::unique_ptr<LxssMessagePort>* MessagePort, _In_ ULONG TimeoutMs) const |
| 54 | { |
| 55 | LXBUS_IPC_SERVER_WAIT_FOR_CONNECTION_PARAMETERS Params = {}; |
| 56 | Params.Input.TimeoutMs = TimeoutMs; |
| 57 | const NTSTATUS Status = LxBusClientWaitForConnection(m_serverPort.get(), &Params); |
| 58 | if (NT_SUCCESS(Status)) |
| 59 | { |
| 60 | *MessagePort = std::make_unique<LxssMessagePort>(UlongToHandle(Params.Output.MessagePort)); |
| 61 | } |
| 62 | |
| 63 | return Status; |
| 64 | } |