Merge pull request #1892 from Vort/msvc_compat

Improve MSVC 2015 compatibility

Win32/Win32NetState.cpp

@@ -29,7 +29,11 @@ void SubscribeToEvents()
 		if (SUCCEEDED(Result))
 		{
 			VARIANT_BOOL IsConnect = VARIANT_FALSE;
+#if defined(_MSC_VER)
+			Result = pNetworkListManager->get_IsConnectedToInternet(&IsConnect);
+#else
 			Result = pNetworkListManager->IsConnectedToInternet(&IsConnect);
+#endif
 			if (SUCCEEDED(Result)) {
 				i2p::transport::transports.SetOnline (true);
 				LogPrint(eLogInfo, "NetState: Current state: ", IsConnect == VARIANT_TRUE ? "connected" : "disconnected");

build/CMakeLists.txt

@@ -53,6 +53,12 @@ target_architecture(ARCHITECTURE)
 
 include(CheckAtomic)
 
+if(WITH_STATIC)
+  if(MSVC)
+    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+  endif()
+endif()
+
 include_directories(${LIBI2PD_SRC_DIR})
 FILE(GLOB LIBI2PD_SRC ${LIBI2PD_SRC_DIR}/*.cpp)
 add_library(libi2pd ${LIBI2PD_SRC})
@@ -133,25 +139,30 @@ if(APPLE)
   add_definitions(-DMAC_OSX)
 endif()
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Winvalid-pch -Wno-unused-parameter -Wno-uninitialized")
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -pedantic")
-# TODO: The following is incompatible with static build and enabled hardening for OpenWRT.
-# Multiple definitions of __stack_chk_fail(libssp & libc)
-set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -flto -s -ffunction-sections -fdata-sections")
-set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "-Wl,--gc-sections") # -flto is added from above
+if(MSVC)
+  add_definitions(-DWINVER=0x0600)
+  add_definitions(-D_WIN32_WINNT=0x0600)
+else()
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Winvalid-pch -Wno-unused-parameter -Wno-uninitialized")
+  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -pedantic")
+  # TODO: The following is incompatible with static build and enabled hardening for OpenWRT.
+  # Multiple definitions of __stack_chk_fail(libssp & libc)
+  set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -flto -s -ffunction-sections -fdata-sections")
+  set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "-Wl,--gc-sections") # -flto is added from above
 
-# check for c++17 & c++11 support
-include(CheckCXXCompilerFlag)
+  # check for c++17 & c++11 support
+  include(CheckCXXCompilerFlag)
 
-CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX17_SUPPORTED)
-CHECK_CXX_COMPILER_FLAG("-std=c++11" CXX11_SUPPORTED)
+  CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX17_SUPPORTED)
+  CHECK_CXX_COMPILER_FLAG("-std=c++11" CXX11_SUPPORTED)
 
-if(CXX17_SUPPORTED)
+  if(CXX17_SUPPORTED)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
-elseif(CXX11_SUPPORTED)
+  elseif(CXX11_SUPPORTED)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-else()
+  else()
     message(SEND_ERROR "C++17 nor C++11 standard not seems to be supported by compiler. Too old version?")
+  endif()
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
@@ -217,7 +228,11 @@ if(WITH_STATIC)
   set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
 
   set(Boost_USE_STATIC_LIBS ON)
+  if(MSVC)
+    set(Boost_USE_STATIC_RUNTIME ON)
+  else()
     set(Boost_USE_STATIC_RUNTIME OFF)
+  endif()
 
   set(OPENSSL_USE_STATIC_LIBS ON)
 
@@ -244,7 +259,7 @@ else()
   add_definitions(-DBOOST_SYSTEM_DYN_LINK -DBOOST_FILESYSTEM_DYN_LINK -DBOOST_PROGRAM_OPTIONS_DYN_LINK -DBOOST_DATE_TIME_DYN_LINK -DBOOST_REGEX_DYN_LINK)
 endif()
 
-find_package(Boost COMPONENTS system filesystem program_options date_time REQUIRED)
+find_package(Boost REQUIRED COMPONENTS system filesystem program_options date_time OPTIONAL_COMPONENTS atomic)
 if(NOT DEFINED Boost_INCLUDE_DIRS)
   message(SEND_ERROR "Boost is not found, or your boost version was below 1.46. Please download Boost!")
 endif()
@@ -307,8 +322,10 @@ if(WITH_BINARY)
   endif ()
 
   if(WITH_STATIC)
+    if(NOT MSVC)
       set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "-static")
     endif()
+  endif()
 
   if(WITH_HARDENING AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "-z relro -z now")

libi2pd/I2PEndian.h

@@ -36,6 +36,23 @@
 #define le64toh(x) OSSwapLittleToHostInt64(x)
 
 #elif defined(_WIN32)
+#if defined(_MSC_VER)
+#include <stdlib.h>
+#define htobe16(x) _byteswap_ushort(x)
+#define htole16(x) (x)
+#define be16toh(x) _byteswap_ushort(x)
+#define le16toh(x) (x)
+
+#define htobe32(x) _byteswap_ulong(x)
+#define htole32(x) (x)
+#define be32toh(x) _byteswap_ulong(x)
+#define le32toh(x) (x)
+
+#define htobe64(x) _byteswap_uint64(x)
+#define htole64(x) (x)
+#define be64toh(x) _byteswap_uint64(x)
+#define le64toh(x) (x)
+#else
 #define htobe16(x) __builtin_bswap16(x)
 #define htole16(x) (x)
 #define be16toh(x) __builtin_bswap16(x)
@@ -50,6 +67,7 @@
 #define htole64(x) (x)
 #define be64toh(x) __builtin_bswap64(x)
 #define le64toh(x) (x)
+#endif
 
 #else
 #define NEEDS_LOCAL_ENDIAN

libi2pd/Streaming.cpp

@@ -384,7 +384,7 @@ namespace stream
 			memset (p.buf, 0, 22); // minimal header all zeroes
 			memcpy (p.buf + 4, packet->buf, 4); // but receiveStreamID is the sendStreamID from the ping
 			htobe16buf (p.buf + 18, PACKET_FLAG_ECHO); // and echo flag
-			ssize_t payloadLen = packet->len - (packet->GetPayload () - packet->buf);
+			auto payloadLen = int(packet->len) - (packet->GetPayload () - packet->buf);
 			if (payloadLen > 0)
 				memcpy (p.buf + 22, packet->GetPayload (), payloadLen);
 			else

libi2pd/util.cpp

@@ -15,7 +15,7 @@
 #include "Log.h"
 #include "I2PEndian.h"
 
-#if not defined (__FreeBSD__)
+#if !defined (__FreeBSD__) && !defined(_MSC_VER)
 #include <pthread.h>
 #endif
 
@@ -37,6 +37,19 @@
 #include <iphlpapi.h>
 #include <shlobj.h>
 
+#if defined(_MSC_VER)
+const DWORD MS_VC_EXCEPTION = 0x406D1388;
+#pragma pack(push,8)
+typedef struct tagTHREADNAME_INFO
+{
+	DWORD dwType;
+	LPCSTR szName;
+	DWORD dwThreadID;
+	DWORD dwFlags;
+} THREADNAME_INFO;
+#pragma pack(pop)
+#endif
+
 #define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
 #define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
 
@@ -162,7 +175,23 @@ namespace util
 #elif defined(__NetBSD__)
 		pthread_setname_np(pthread_self(), "%s", (void *)name);
 #elif !defined(__gnu_hurd__)
+	#if defined(_MSC_VER)
+		THREADNAME_INFO info;
+		info.dwType = 0x1000;
+		info.szName = name;
+		info.dwThreadID = -1;
+		info.dwFlags = 0;
+		#pragma warning(push)
+		#pragma warning(disable: 6320 6322)
+		__try {
+			RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*)&info);
+		}
+		__except (EXCEPTION_EXECUTE_HANDLER) {
+		}
+		#pragma warning(pop)
+	#else
 		pthread_setname_np(pthread_self(), name);
+	#endif
 #endif
 	}
 

libi2pd_client/HTTPProxy.cpp

@@ -113,7 +113,7 @@ namespace proxy {
 			i2p::http::URL m_ProxyURL;
 			i2p::http::URL m_RequestURL;
 			uint8_t m_socks_buf[255+8]; // for socks request/response
-			ssize_t m_req_len;
+			int m_req_len;
 			i2p::http::URL m_ClientRequestURL;
 			i2p::http::HTTPReq m_ClientRequest;
 			i2p::http::HTTPRes m_ClientResponse;