90 lines
3 KiB (Stored with Git LFS)
Python
90 lines
3 KiB (Stored with Git LFS)
Python
# Copyright 2020 The TensorFlow Authors. All rights reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""
|
|
Utilities for building grpc and proto libraries from googleapis.
|
|
"""
|
|
|
|
load("@rules_cc//cc:defs.bzl", native_cc_proto_library = "cc_proto_library")
|
|
load("@com_github_grpc_grpc//bazel:generate_cc.bzl", "generate_cc")
|
|
|
|
def _tf_cc_headers(ctx):
|
|
if len(ctx.attr.deps) != 1:
|
|
fail("deps must have exactly 1 photo_library")
|
|
return [
|
|
CcInfo(
|
|
compilation_context = ctx.attr.deps[0][CcInfo].compilation_context,
|
|
),
|
|
DefaultInfo(
|
|
files = ctx.attr.deps[0][CcInfo].compilation_context.headers,
|
|
),
|
|
]
|
|
|
|
tf_cc_headers = rule(
|
|
implementation = _tf_cc_headers,
|
|
attrs = {
|
|
"deps": attr.label_list(providers = [CcInfo]),
|
|
},
|
|
)
|
|
|
|
def cc_proto_library(name, deps):
|
|
"""Generates a cc library and a header only cc library from a proto library
|
|
|
|
Args:
|
|
name: the name of the cc_library
|
|
deps: a list that contains exactly one proto_library
|
|
"""
|
|
native_cc_proto_library(
|
|
name = name,
|
|
deps = deps,
|
|
visibility = ["//visibility:public"],
|
|
)
|
|
tf_cc_headers(
|
|
name = name + "_headers_only",
|
|
deps = [":" + name],
|
|
visibility = ["//visibility:public"],
|
|
)
|
|
|
|
def cc_grpc_library(name, srcs, deps, service_namespace = "grpc", **kwargs):
|
|
"""Generates a cc library with grpc implementation and cc proto headers
|
|
|
|
Args:
|
|
name: the name of the cc_grpc_library to be created
|
|
srcs: the proto_libraries used to generate the cc_grpc_library
|
|
deps: the dependencies used to link into this cc_grpc_library, defined by
|
|
cc_proto_library
|
|
**kwargs: other args not used, for compatibility only
|
|
"""
|
|
if len(srcs) != 1:
|
|
fail("srcs must have exactly 1 photo_library", "srcs")
|
|
codegen_grpc_target = "_" + name + "_grpc_codegen"
|
|
generate_cc(
|
|
name = codegen_grpc_target,
|
|
srcs = srcs,
|
|
flags = [
|
|
"services_namespace=" + service_namespace,
|
|
],
|
|
plugin = "@com_github_grpc_grpc//src/compiler:grpc_cpp_plugin",
|
|
well_known_protos = True,
|
|
generate_mocks = True,
|
|
)
|
|
|
|
grpc_proto_dep = "@com_github_grpc_grpc//:grpc++_codegen_proto"
|
|
native.cc_library(
|
|
name = name,
|
|
srcs = [":" + codegen_grpc_target],
|
|
hdrs = [":" + codegen_grpc_target],
|
|
deps = [dep + "_headers_only" for dep in deps] + [grpc_proto_dep],
|
|
visibility = ["//visibility:public"],
|
|
)
|