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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#ifndef __DIAGNOSTICS_IPC_H__
#define __DIAGNOSTICS_IPC_H__
#include <stdint.h>
#ifdef FEATURE_PAL
struct sockaddr_un;
#else
#include <Windows.h>
#endif /* FEATURE_PAL */
typedef void (*ErrorCallback)(const char *szMessage, uint32_t code);
class IpcStream final
{
public:
~IpcStream();
bool Read(void *lpBuffer, const uint32_t nBytesToRead, uint32_t &nBytesRead) const;
bool Write(const void *lpBuffer, const uint32_t nBytesToWrite, uint32_t &nBytesWritten) const;
bool Flush() const;
class DiagnosticsIpc final
{
public:
static DiagnosticsIpc *Create(const char *const pIpcName, ErrorCallback callback = nullptr);
~DiagnosticsIpc();
IpcStream *Accept(ErrorCallback callback = nullptr) const;
private:
#ifdef FEATURE_PAL
DiagnosticsIpc(const int serverSocket, sockaddr_un *const pServerAddress);
const int _serverSocket = -1;
sockaddr_un *const _pServerAddress;
#else
static const uint32_t MaxNamedPipeNameLength = 256;
DiagnosticsIpc(const char(&namedPipeName)[MaxNamedPipeNameLength]);
char _pNamedPipeName[MaxNamedPipeNameLength]; // https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-createnamedpipea
#endif /* FEATURE_PAL */
DiagnosticsIpc() = delete;
DiagnosticsIpc(const DiagnosticsIpc &src) = delete;
DiagnosticsIpc(DiagnosticsIpc &&src) = delete;
DiagnosticsIpc &operator=(const DiagnosticsIpc &rhs) = delete;
DiagnosticsIpc &&operator=(DiagnosticsIpc &&rhs) = delete;
};
private:
#ifdef FEATURE_PAL
int _clientSocket = -1;
IpcStream(int clientSocket) : _clientSocket(clientSocket) {}
#else
HANDLE _hPipe = INVALID_HANDLE_VALUE;
IpcStream(HANDLE hPipe) : _hPipe(hPipe) {}
#endif /* FEATURE_PAL */
IpcStream() = delete;
IpcStream(const IpcStream &src) = delete;
IpcStream(IpcStream &&src) = delete;
IpcStream &operator=(const IpcStream &rhs) = delete;
IpcStream &&operator=(IpcStream &&rhs) = delete;
};
#endif // __DIAGNOSTICS_IPC_H__
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