Add windows support for s3

tensorflow/core/platform/default/build_config.bzl

@@ -658,7 +658,9 @@ def tf_additional_core_deps():
         clean_dep("//tensorflow:android"): [],
         clean_dep("//tensorflow:ios"): [],
         clean_dep("//tensorflow:linux_s390x"): [],
-        clean_dep("//tensorflow:windows"): [],
+        clean_dep("//tensorflow:windows"): [
+            clean_dep("//tensorflow/core/platform/s3:s3_file_system"),
+        ],
         clean_dep("//tensorflow:no_aws_support"): [],
         "//conditions:default": [
             clean_dep("//tensorflow/core/platform/s3:s3_file_system"),

tensorflow/core/platform/s3/BUILD

@@ -81,7 +81,12 @@ cc_library(
     hdrs = [
         "s3_file_system.h",
     ],
-    deps = [
+    deps = select({
+        "@org_tensorflow//tensorflow:windows": [
+            "//tensorflow/core/platform:retrying_file_system"
+        ],
+        "//conditions:default": [],
+    }) + [
         ":aws_crypto",
         ":aws_logging",
         "//tensorflow/core:lib",

tensorflow/core/platform/s3/s3_file_system.cc

@@ -48,6 +48,13 @@ limitations under the License.
 namespace tensorflow {
 
 namespace {
+#ifdef PLATFORM_WINDOWS
+// On Windows, `Aws::FileSystem::CreateTempFilePath()` return
+// `C:\Users\username\AppData\Local\Temp\`. Adding suffix will cause an error.
+static const char* kS3TempFileSuffix = NULL;
+#else
+static const char* kS3TempFileSuffix = "/tmp/s3_filesystem_XXXXXX";
+#endif
 static const char* kS3FileSystemAllocationTag = "S3FileSystemAllocation";
 static const size_t kS3ReadAppendableFileBufferSize = 1024 * 1024;
 static const int64 kS3TimeoutMsec = 300000;                       // 5 min
@@ -271,7 +278,7 @@ class S3WritableFile : public WritableFile {
         transfer_manager_(transfer_manager),
         sync_needed_(true),
         outfile_(Aws::MakeShared<Aws::Utils::TempFile>(
-            kS3FileSystemAllocationTag, "/tmp/s3_filesystem_XXXXXX",
+            kS3FileSystemAllocationTag, kS3TempFileSuffix,
             std::ios_base::binary | std::ios_base::trunc | std::ios_base::in |
                 std::ios_base::out)) {}
 

third_party/aws/BUILD.bazel

@@ -31,6 +31,14 @@ cc_library(
             "aws-cpp-sdk-core/source/platform/linux-shared/*.cpp",
         ]),
         "//conditions:default": [],
+    }) + select({
+        "//conditions:default": glob([
+            "aws-cpp-sdk-core/source/net/linux-shared/*.cpp",
+        ]),
+        "@org_tensorflow//tensorflow:windows": glob([
+            "aws-cpp-sdk-core/source/platform/windows/*.cpp",
+            "aws-cpp-sdk-core/source/net/windows/*.cpp",
+        ]),
     }) + glob([
         "aws-cpp-sdk-core/include/**/*.h",
         "aws-cpp-sdk-core/source/*.cpp",
@@ -59,7 +67,6 @@ cc_library(
         "aws-cpp-sdk-transfer/include/**/*.h",
         "aws-cpp-sdk-transfer/source/**/*.cpp",
         "aws-cpp-sdk-core/source/monitoring/*.cpp",
-        "aws-cpp-sdk-core/source/net/linux-shared/*.cpp",
         "aws-cpp-sdk-core/source/utils/memory/*.cpp",
         "aws-cpp-sdk-core/source/utils/crypto/openssl/*.cpp",
     ]),
@@ -94,6 +101,18 @@ cc_library(
             "ENABLE_CURL_CLIENT",
             "OPENSSL_IS_BORINGSSL",
         ],
+        "@org_tensorflow//tensorflow:windows": [
+            "PLATFORM_WINDOWS",
+            "ENABLE_CURL_CLIENT",
+            "OPENSSL_IS_BORINGSSL",
+        ],
+        "//conditions:default": [],
+    }),
+    linkopts = select({
+        "@org_tensorflow//tensorflow:windows": [
+            "-DEFAULTLIB:Userenv.lib",
+            "-DEFAULTLIB:Version.lib",
+        ],
         "//conditions:default": [],
     }),
     includes = [

third_party/aws/aws-c-common.bazel

@@ -28,6 +28,9 @@ cc_library(
         "@org_tensorflow//tensorflow:raspberry_pi_armeabi": glob([
             "source/posix/*.c",
         ]),
+        "@org_tensorflow//tensorflow:windows": glob([
+            "source/windows/*.c",
+        ]),
         "//conditions:default": [],
     }) + glob([
         "source/*.c",
@@ -38,6 +41,12 @@ cc_library(
         "include/**/*.h",
         "include/aws/common/**/*.inl"
     ]),
+    linkopts = select({
+        "@org_tensorflow//tensorflow:windows": [
+            "-DEFAULTLIB:BCrypt.lib",
+        ],
+        "//conditions:default": [],
+    }),
     includes = [
         "include/",
     ],

third_party/aws/aws-checksums.bazel

@@ -9,7 +9,12 @@ exports_files(["LICENSE"])
 
 cc_library(
     name = "aws-checksums",
-    srcs = glob([
+    srcs = select({
+        "@org_tensorflow//tensorflow:windows": glob([
+            "source/visualc/*.c",
+        ]),
+        "//conditions:default": [],
+    }) + glob([
         "source/intel/*.c",
         "source/*.c",
     ]),