Merge pull request #12759 from kpayson64/no_more_xp

Specify min windows version as Vista for Python

include/grpc/impl/codegen/port_platform.h

@@ -291,10 +291,6 @@
 #endif
 
 #ifdef _MSC_VER
-#ifdef _PYTHON_MSVC
-// The Python 3.5 Windows runtime is missing InetNtop
-#define GPR_WIN_INET_NTOP
-#endif  // _PYTHON_MSVC
 #if _MSC_VER < 1700
 typedef __int8 int8_t;
 typedef __int16 int16_t;

setup.py

@@ -110,8 +110,6 @@ if EXTRA_ENV_COMPILE_ARGS is None:
       EXTRA_ENV_COMPILE_ARGS += ' -D_ftime=_ftime32 -D_timeb=__timeb32 -D_ftime_s=_ftime32_s'
     else:
       EXTRA_ENV_COMPILE_ARGS += ' -D_ftime=_ftime64 -D_timeb=__timeb64'
-  elif 'win32' in sys.platform:
-    EXTRA_ENV_COMPILE_ARGS += ' -D_PYTHON_MSVC'
   elif "linux" in sys.platform:
     EXTRA_ENV_COMPILE_ARGS += ' -std=c++11 -std=gnu99 -fvisibility=hidden -fno-wrapv -fno-exceptions'
   elif "darwin" in sys.platform:
@@ -163,7 +161,7 @@ if "win32" in sys.platform:
   # TODO(zyc): Re-enble c-ares on x64 and x86 windows after fixing the
   # ares_library_init compilation issue
   DEFINE_MACROS += (('WIN32_LEAN_AND_MEAN', 1), ('CARES_STATICLIB', 1),
-                    ('GRPC_ARES', 0),)
+                    ('GRPC_ARES', 0), ('NTDDI_VERSION', 0x06000000),)
   if '64bit' in platform.architecture()[0]:
     DEFINE_MACROS += (('MS_WIN64', 1),)
   elif sys.version_info >= (3, 5):

src/core/lib/iomgr/socket_utils_windows.c

@@ -26,12 +26,8 @@
 #include <grpc/support/log.h>
 
 const char *grpc_inet_ntop(int af, const void *src, char *dst, size_t size) {
-#ifdef GPR_WIN_INET_NTOP
-  return inet_ntop(af, src, dst, size);
-#else
   /* Windows InetNtopA wants a mutable ip pointer */
   return InetNtopA(af, (void *)src, dst, size);
-#endif /* GPR_WIN_INET_NTOP */
 }
 
 #endif /* GRPC_WINDOWS_SOCKETUTILS */