Windows support

.gitmodules

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+[submodule "modules/libwinibverbs"]
+	path = modules/libwinibverbs
+	url = https://github.com/lucasz93/libwinibverbs

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+project (hdrdmacp)
+set(CMAKE_CXX_STANDARD 20)
+
+#
+# Add submodules
+#
+if(WIN32)
+	add_subdirectory(modules/libwinibverbs)
+	set(winibverbs_include "modules/libwinibverbs/include")
+	set(iverbs_lib winibverbs)
+else()
+	set(iverbs_lib ibverbs)
+endif()
+
+find_package(ZLIB REQUIRED)
+
+#===============================================================================
+# LIBRARY
+#===============================================================================
+add_library(libhdrdmacp SHARED
+	IhdRDMA.h
+	hdRDMA.cc
+	hdRDMA.h
+	hdRDMAThread.cc
+	hdRDMAThread.h
+)
+if(WIN32)
+	add_dependencies(libhdrdmacp winibverbs)
+endif()
+target_compile_definitions(libhdrdmacp PRIVATE _CRT_SECURE_NO_WARNINGS BUILDING_HDRDMA)
+target_link_libraries(libhdrdmacp ${iverbs_lib} ${ZLIB_LIBRARY})
+target_include_directories(libhdrdmacp PRIVATE ${ZLIB_INCLUDE_DIRS} ${winibverbs_include})
+
+set_target_properties(libhdrdmacp PROPERTIES OUTPUT_NAME hdrdmacp)
+
+install(TARGETS libhdrdmacp DESTINATION ${CMAKE_INSTALL_PREFIX})
+install(FILES 
+	IhdRDMA.h
+	DESTINATION include)
+
+#===============================================================================
+# APPLICATION
+#===============================================================================
+add_executable(hdrdmacp
+	hdrdmacp.cc
+)
+add_dependencies(hdrdmacp libhdrdmacp)
+target_link_libraries(hdrdmacp libhdrdmacp)
+
+if (WIN32)
+	add_custom_command(TARGET hdrdmacp POST_BUILD
+	  COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_RUNTIME_DLLS:hdrdmacp> $<TARGET_FILE_DIR:hdrdmacp>
+	  COMMAND_EXPAND_LISTS
+	)
+endif()

IhdRDMA.h

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+#pragma once
+
+#include <memory>
+#include <string>
+
+#ifdef _MSC_VER
+#	define HDRMDA_DLL_EXPORT	__declspec(dllexport)
+#	define HDRMDA_DLL_IMPORT	__declspec(dllimport)
+#else
+#	define HDRMDA_DLL_EXPORT	__attribute__((__visibility__("default")))
+#	define HDRMDA_DLL_IMPORT
+#endif
+
+#ifdef BUILDING_HDRDMA
+#	define HDRDMA_DLL			HDRMDA_DLL_EXPORT
+#else
+#	define HDRDMA_DLL			HDRMDA_DLL_IMPORT
+#endif
+
+namespace hdrdma
+{
+	class IhdRDMA;
+	class IPathDecoder;
+
+	struct config
+	{
+		config(size_t buffer_section_sz, int buffer_section_count, const std::shared_ptr<IPathDecoder>& path_decoder = nullptr) : BufferSectionSize(buffer_section_sz), BufferSectionCount(buffer_section_count), PathDecoder(path_decoder) {}
+
+		const size_t BufferSectionSize;
+		const size_t BufferSectionCount;
+
+		std::shared_ptr<IPathDecoder> PathDecoder;
+	};
+}
+
+extern "C"
+{
+	// Raw pointers. You probably don't want to use these.
+	HDRDMA_DLL hdrdma::IhdRDMA* hdrdma_allocate(const hdrdma::config& config);
+	HDRDMA_DLL void hdrdma_free(hdrdma::IhdRDMA*);
+}
+
+namespace hdrdma
+{
+	class IPathDecoder {
+	public:
+		virtual ~IPathDecoder() {}
+
+		virtual std::string Decode(const std::string_view& path) const = 0;
+	};
+
+	class IhdRDMA {
+	public:
+		virtual ~IhdRDMA() {}
+
+		virtual bool Good() const = 0;
+		virtual void Listen(int port) = 0;
+		virtual void StopListening(void) = 0;
+		virtual void Connect(std::string host, int port) = 0;
+		virtual void SendFile(std::string srcfilename, std::string dstfilename, bool delete_after_send = false, bool calculate_checksum = false, bool makeparentdirs = false) = 0;
+		virtual void Poll(void) = 0;
+		virtual void Join(void) = 0;
+
+		virtual uint64_t TotalBytesReceived() const = 0;
+	};
+
+	using Ptr = std::unique_ptr<IhdRDMA, decltype(&hdrdma_free)>; 
+
+	// Wrappers. You probably want to use these.
+	static auto Create(const hdrdma::config& config)
+	{
+		return Ptr(hdrdma_allocate(config), hdrdma_free);
+	}
+}