mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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728 lines
26 KiB
728 lines
26 KiB
# Copyright 2016 gRPC authors. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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|
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# |
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# This is for the gRPC build system. This isn't intended to be used outsite of |
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# the BUILD file for gRPC. It contains the mapping for the template system we |
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# use to generate other platform's build system files. |
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# |
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# Please consider that there should be a high bar for additions and changes to |
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# this file. |
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# Each rule listed must be re-written for Google's internal build system, and |
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# each change must be ported from one to the other. |
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# |
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""" |
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Contains macros used throughout the repo. |
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""" |
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|
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load("//bazel:cc_grpc_library.bzl", "cc_grpc_library") |
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load("//bazel:copts.bzl", "GRPC_DEFAULT_COPTS") |
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load("//bazel:experiments.bzl", "EXPERIMENTS") |
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load("//bazel:test_experiments.bzl", "TEST_EXPERIMENTS") |
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load("@upb//bazel:upb_proto_library.bzl", "upb_proto_library", "upb_proto_reflection_library") |
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load("@build_bazel_rules_apple//apple:ios.bzl", "ios_unit_test") |
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load("@build_bazel_rules_apple//apple/testing/default_runner:ios_test_runner.bzl", "ios_test_runner") |
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|
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# The set of pollers to test against if a test exercises polling |
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POLLERS = ["epoll1", "poll"] |
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|
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# The set of known EventEngines to test |
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EVENT_ENGINES = {"default": {"tags": []}} |
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|
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def if_not_windows(a): |
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return select({ |
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"//:windows": [], |
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"//:windows_msvc": [], |
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"//conditions:default": a, |
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}) |
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|
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def if_windows(a): |
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return select({ |
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"//:windows": a, |
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"//:windows_msvc": a, |
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"//conditions:default": [], |
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}) |
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|
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def _get_external_deps(external_deps): |
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ret = [] |
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for dep in external_deps: |
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if dep == "address_sorting": |
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ret.append("//third_party/address_sorting") |
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elif dep == "xxhash": |
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ret.append("//third_party/xxhash") |
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elif dep == "cares": |
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ret += select({ |
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"//:grpc_no_ares": [], |
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"//conditions:default": ["//external:cares"], |
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}) |
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elif dep == "cronet_c_for_grpc": |
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ret.append("//third_party/objective_c/Cronet:cronet_c_for_grpc") |
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elif dep.startswith("absl/"): |
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ret.append("@com_google_absl//" + dep) |
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elif dep.startswith("google/"): |
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ret.append("@com_google_googleapis//" + dep) |
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elif dep.startswith("otel/"): |
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ret.append(dep.replace("otel/", "@io_opentelemetry_cpp//")) |
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elif dep.startswith("google_cloud_cpp"): |
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ret.append(dep.replace("google_cloud_cpp", "@google_cloud_cpp//")) |
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else: |
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ret.append("//external:" + dep) |
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return ret |
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|
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def _update_visibility(visibility): |
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if visibility == None: |
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return None |
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|
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# Visibility rules prefixed with '@grpc:' are used to flag different visibility rule |
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# classes upstream. |
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PUBLIC = ["//visibility:public"] |
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PRIVATE = ["//:__subpackages__"] |
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VISIBILITY_TARGETS = { |
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"alt_grpc++_base_legacy": PRIVATE, |
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"alt_grpc_base_legacy": PRIVATE, |
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"alt_grpc++_base_unsecure_legacy": PRIVATE, |
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"alts_frame_protector": PRIVATE, |
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"channelz": PRIVATE, |
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"client_channel": PRIVATE, |
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"cli": PRIVATE, |
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"debug_location": PRIVATE, |
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"endpoint_tests": PRIVATE, |
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"exec_ctx": PRIVATE, |
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"grpclb": PRIVATE, |
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"grpc_experiments": PRIVATE, |
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"grpc_opencensus_plugin": PUBLIC, |
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"grpcpp_gcp_observability": PUBLIC, |
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"grpc_resolver_fake": PRIVATE, |
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"grpc++_test": PRIVATE, |
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"http": PRIVATE, |
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"httpcli": PRIVATE, |
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"iomgr_timer": PRIVATE, |
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"iomgr_internal_errqueue": PRIVATE, |
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"iomgr_buffer_list": PRIVATE, |
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"json_reader_legacy": PRIVATE, |
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"public": PUBLIC, |
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"ref_counted_ptr": PRIVATE, |
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"tcp_tracer": PRIVATE, |
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"trace": PRIVATE, |
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"tsi_interface": PRIVATE, |
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"tsi": PRIVATE, |
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"xds": PRIVATE, |
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"xds_client_core": PRIVATE, |
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"grpc_python_observability": PRIVATE, |
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} |
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final_visibility = [] |
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for rule in visibility: |
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if rule.startswith("@grpc:"): |
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for replacement in VISIBILITY_TARGETS[rule[len("@grpc:"):]]: |
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final_visibility.append(replacement) |
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else: |
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final_visibility.append(rule) |
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return [x for x in final_visibility] |
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|
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def grpc_cc_library( |
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name, |
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srcs = [], |
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public_hdrs = [], |
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hdrs = [], |
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external_deps = [], |
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defines = [], |
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deps = [], |
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select_deps = None, |
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standalone = False, |
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language = "C++", |
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testonly = False, |
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visibility = None, |
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alwayslink = 0, |
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data = [], |
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tags = [], |
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linkopts = [], |
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linkstatic = False): |
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"""An internal wrapper around cc_library. |
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|
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Args: |
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name: The name of the library. |
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srcs: The source files. |
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public_hdrs: The public headers. |
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hdrs: The headers. |
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external_deps: External depdendencies to be resolved. |
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defines: Build defines to use. |
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deps: cc_library deps. |
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select_deps: deps included conditionally. |
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standalone: Unused. |
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language: The language of the library, e.g. C, C++. |
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testonly: Whether the target is for tests only. |
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visibility: The visibility of the target. |
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alwayslink: Whether to enable alwayslink on the cc_library. |
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data: Data dependencies. |
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tags: Tags to apply to the rule. |
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linkopts: Extra libraries to link. |
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linkstatic: Whether to enable linkstatic on the cc_library. |
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""" |
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visibility = _update_visibility(visibility) |
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copts = [] |
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if language.upper() == "C": |
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copts = copts + if_not_windows(["-std=c11"]) |
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linkopts = linkopts + if_not_windows(["-pthread"]) + if_windows(["-defaultlib:ws2_32.lib"]) |
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if select_deps: |
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for select_deps_entry in select_deps: |
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deps += select(select_deps_entry) |
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native.cc_library( |
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name = name, |
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srcs = srcs, |
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defines = defines + |
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select({ |
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"//:grpc_no_ares": ["GRPC_ARES=0"], |
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"//conditions:default": [], |
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}) + |
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select({ |
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"//:remote_execution": ["GRPC_PORT_ISOLATED_RUNTIME=1"], |
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"//conditions:default": [], |
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}) + |
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select({ |
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"//:grpc_allow_exceptions": ["GRPC_ALLOW_EXCEPTIONS=1"], |
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"//:grpc_disallow_exceptions": ["GRPC_ALLOW_EXCEPTIONS=0"], |
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"//conditions:default": [], |
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}), |
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hdrs = hdrs + public_hdrs, |
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deps = deps + _get_external_deps(external_deps), |
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copts = GRPC_DEFAULT_COPTS + copts, |
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visibility = visibility, |
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testonly = testonly, |
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linkopts = linkopts, |
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includes = [ |
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"api/include", |
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"include", |
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"src/core/ext/upb-generated", # Once upb code-gen issue is resolved, remove this. |
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"src/core/ext/upbdefs-generated", # Once upb code-gen issue is resolved, remove this. |
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], |
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alwayslink = alwayslink, |
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data = data, |
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tags = tags, |
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linkstatic = linkstatic, |
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) |
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def grpc_proto_plugin(name, srcs = [], deps = []): |
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native.cc_binary( |
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name = name, |
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srcs = srcs, |
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deps = deps, |
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) |
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def grpc_proto_library( |
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name, |
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srcs = [], |
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deps = [], |
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well_known_protos = False, |
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has_services = True, |
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use_external = False, |
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generate_mocks = False): |
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cc_grpc_library( |
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name = name, |
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srcs = srcs, |
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deps = deps, |
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well_known_protos = well_known_protos, |
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proto_only = not has_services, |
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use_external = use_external, |
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generate_mocks = generate_mocks, |
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) |
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def ios_cc_test( |
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name, |
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tags = [], |
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**kwargs): |
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"""An ios C++ test target. |
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Args: |
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name: The name of the test. |
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tags: The tags to apply to the test. |
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**kwargs: All other arguments to apply. |
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""" |
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test_lib_ios = name + "_test_lib_ios" |
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ios_tags = tags + ["manual", "ios_cc_test"] |
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test_runner = "ios_x86_64_sim_runner_" + name |
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ios_test_runner( |
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name = test_runner, |
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device_type = "iPhone X", |
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) |
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if not any([t for t in tags if t.startswith("no_test_ios")]): |
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native.objc_library( |
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name = test_lib_ios, |
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srcs = kwargs.get("srcs"), |
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deps = kwargs.get("deps"), |
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copts = kwargs.get("copts"), |
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data = kwargs.get("data"), |
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tags = ios_tags, |
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alwayslink = 1, |
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testonly = 1, |
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) |
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ios_test_deps = [":" + test_lib_ios] |
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ios_unit_test( |
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name = name + "_on_ios", |
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size = kwargs.get("size"), |
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data = kwargs.get("data"), |
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tags = ios_tags, |
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minimum_os_version = "9.0", |
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runner = test_runner, |
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deps = ios_test_deps, |
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) |
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def expand_tests(name, srcs, deps, tags, args, exclude_pollers, uses_polling, uses_event_engine, flaky): |
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"""Common logic used to parameterize tests for every poller and EventEngine and experiment. |
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Args: |
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name: base name of the test |
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srcs: source files |
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deps: base deps |
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tags: base tags |
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args: base args |
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flaky: base flaky |
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exclude_pollers: list of poller names to exclude for this set of tests. |
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uses_polling: set to False if the test is not sensitive to polling methodology. |
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uses_event_engine: set to False if the test is not sensitive to |
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EventEngine implementation differences |
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Returns: |
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A list of dictionaries containing modified values of name, srcs, deps, tags, and args. |
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""" |
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poller_config = [] |
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if not uses_polling: |
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tags = tags + ["no_uses_polling"] |
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poller_config.append({ |
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"name": name, |
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"srcs": srcs, |
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"deps": deps, |
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"tags": tags, |
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"args": args, |
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"flaky": flaky, |
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"env": {}, |
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}) |
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else: |
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# On linux we run the same test with the default EventEngine, once for each |
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# poller |
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for poller in POLLERS: |
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if poller in exclude_pollers: |
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continue |
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poller_config.append({ |
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"name": name + "@poller=" + poller, |
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"srcs": srcs, |
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"deps": deps, |
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"tags": (tags + EVENT_ENGINES["default"]["tags"] + [ |
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"no_windows", |
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"no_mac", |
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"bazel_only", |
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]), |
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"args": args, |
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"env": { |
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"GRPC_POLL_STRATEGY": poller, |
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}, |
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"flaky": flaky, |
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}) |
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# Now generate one test for each subsequent EventEngine, all using the |
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# default poller. These tests will have `@engine=<name>` appended to the |
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# test target name. If a test target name has no `@engine=<name>` component, |
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# that indicates that the default EventEngine is being used. |
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if not uses_event_engine: |
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# The poller tests exercise the default engine on Linux. This test |
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# handles other platforms. |
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poller_config.append({ |
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"name": name, |
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"srcs": srcs, |
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"deps": deps, |
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"tags": tags + ["no_linux"], |
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"args": args, |
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"env": {}, |
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"flaky": flaky, |
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}) |
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else: |
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for engine_name, engine in EVENT_ENGINES.items(): |
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test_name = name + "@engine=" + engine_name |
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test_tags = tags + engine["tags"] + ["bazel_only"] |
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test_args = args + ["--engine=" + engine_name] |
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if engine_name == "default": |
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# The poller tests exercise the default engine on Linux. |
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# This test handles other platforms. |
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test_name = name |
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test_tags = tags + engine["tags"] + ["no_linux"] |
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test_args = args |
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poller_config.append({ |
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"name": test_name, |
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"srcs": srcs, |
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"deps": deps, |
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"tags": test_tags, |
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"args": test_args, |
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"env": {}, |
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"flaky": flaky, |
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}) |
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experiments = {} |
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|
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# buildifier: disable=uninitialized |
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def _populate_experiments_platform_config(config, platform_experiments_map): |
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for platform, experiments_on_platform in platform_experiments_map.items(): |
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for mode, tag_to_experiments in experiments_on_platform.items(): |
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if mode not in config: |
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config[mode] = {} |
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for tag in tags: |
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if tag not in tag_to_experiments: |
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continue |
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for experiment in tag_to_experiments[tag]: |
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if experiment not in config[mode]: |
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config[mode][experiment] = [] |
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config[mode][experiment].append(platform) |
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_populate_experiments_platform_config(experiments, EXPERIMENTS) |
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_populate_experiments_platform_config(experiments, TEST_EXPERIMENTS) |
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mode_config = { |
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# format: <mode>: (enabled_target_tags, disabled_target_tags) |
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"on": (None, []), |
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"off": ([], None), |
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} |
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must_have_tags = [ |
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# We don't run experiments on cmake builds |
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"bazel_only", |
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# Nor on mac |
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"no_mac", |
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# Nor on arm64 |
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"no_arm64", |
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] |
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def _update_experiments_platform_test_tags(tags, platforms): |
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if "posix" not in platforms: |
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if "no_linux" not in tags: |
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tags.append("no_linux") |
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if "no_mac" not in tags: |
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tags.append("no_mac") |
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if "windows" not in platforms: |
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if "no_windows" not in tags: |
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tags.append("no_windows") |
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if "ios" not in platforms: |
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if "no_test_ios" not in tags: |
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tags.append("no_test_ios") |
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return tags |
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experiment_config = list(poller_config) |
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for mode, config in mode_config.items(): |
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enabled_tags, disabled_tags = config |
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if enabled_tags != None: |
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for experiment in experiments[mode].keys(): |
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for config in poller_config: |
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config = dict(config) |
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config["name"] = config["name"] + "@experiment=" + experiment |
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env = dict(config["env"]) |
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env["GRPC_EXPERIMENTS"] = experiment |
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env["GRPC_CI_EXPERIMENTS"] = "1" |
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config["env"] = env |
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tags = config["tags"] |
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for tag in must_have_tags + enabled_tags: |
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if tag not in tags: |
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tags = tags + [tag] |
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config["tags"] = _update_experiments_platform_test_tags(tags, experiments[mode][experiment]) |
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config["flaky"] = True |
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experiment_config.append(config) |
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if disabled_tags != None: |
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for experiment in experiments[mode].keys(): |
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for config in poller_config: |
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config = dict(config) |
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config["name"] = config["name"] + "@experiment=no_" + experiment |
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env = dict(config["env"]) |
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env["GRPC_EXPERIMENTS"] = "-" + experiment |
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env["GRPC_CI_EXPERIMENTS"] = "1" |
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config["env"] = env |
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tags = config["tags"] |
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for tag in must_have_tags + disabled_tags: |
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if tag not in tags: |
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tags = tags + [tag] |
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config["tags"] = _update_experiments_platform_test_tags(tags, experiments[mode][experiment]) |
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experiment_config.append(config) |
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return experiment_config |
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|
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def grpc_cc_test(name, srcs = [], deps = [], external_deps = [], args = [], data = [], uses_polling = True, language = "C++", size = "medium", timeout = None, tags = [], exec_compatible_with = [], exec_properties = {}, shard_count = None, flaky = None, copts = [], linkstatic = None, exclude_pollers = [], uses_event_engine = True): |
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"""A cc_test target for use in the gRPC repo. |
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|
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Args: |
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name: The name of the test. |
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srcs: The source files. |
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deps: The target deps. |
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external_deps: The external deps. |
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args: The args to supply to the test binary. |
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data: Data dependencies. |
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uses_polling: Whether the test uses polling. |
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language: The language of the test, e.g C, C++. |
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size: The size of the test. |
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timeout: The test timeout. |
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tags: The tags for the test. |
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exec_compatible_with: A list of constraint values that must be |
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satisifed for the platform. |
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exec_properties: A dictionary of strings that will be added to the |
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exec_properties of a platform selected for this target. |
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shard_count: The number of shards for this test. |
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flaky: Whether this test is flaky. |
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copts: Add these to the compiler invocation. |
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linkstatic: link the binary in static mode |
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exclude_pollers: list of poller names to exclude for this set of tests. |
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uses_event_engine: set to False if the test is not sensitive to |
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EventEngine implementation differences |
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""" |
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if language.upper() == "C": |
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copts = copts + if_not_windows(["-std=c11"]) |
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core_deps = deps + _get_external_deps(external_deps) + ["//test/core/util:grpc_suppressions"] |
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|
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# Test args for all tests |
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test_args = { |
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"data": data, |
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"copts": GRPC_DEFAULT_COPTS + copts, |
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"linkopts": if_not_windows(["-pthread"]) + if_windows(["-defaultlib:ws2_32.lib"]), |
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"size": size, |
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"timeout": timeout, |
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"exec_compatible_with": exec_compatible_with, |
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"exec_properties": exec_properties, |
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"shard_count": shard_count, |
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"linkstatic": linkstatic, |
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} |
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if "grpc-fuzzer" not in tags and "no_test_ios" not in tags: |
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ios_cc_test( |
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name = name, |
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srcs = srcs, |
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tags = tags, |
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deps = core_deps, |
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args = args, |
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flaky = True, |
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**test_args |
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) |
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|
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for poller_config in expand_tests(name, srcs, core_deps, tags, args, exclude_pollers, uses_polling, uses_event_engine, flaky): |
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native.cc_test( |
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name = poller_config["name"], |
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srcs = poller_config["srcs"], |
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deps = poller_config["deps"], |
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tags = poller_config["tags"], |
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args = poller_config["args"], |
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env = poller_config["env"], |
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flaky = poller_config["flaky"], |
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**test_args |
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) |
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|
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def grpc_cc_binary(name, srcs = [], deps = [], external_deps = [], args = [], data = [], language = "C++", testonly = False, linkshared = False, linkopts = [], tags = [], features = [], visibility = None): |
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"""Generates a cc_binary for use in the gRPC repo. |
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|
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Args: |
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name: The name of the target. |
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srcs: The source files. |
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deps: The dependencies. |
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external_deps: The external dependencies. |
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args: The arguments to supply to the binary. |
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data: The data dependencies. |
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language: The language of the binary, e.g. C, C++. |
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testonly: Whether the binary is for tests only. |
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linkshared: Enables linkshared on the binary. |
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linkopts: linkopts to supply to the cc_binary. |
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tags: Tags to apply to the target. |
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features: features to be supplied to the cc_binary. |
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visibility: The visibility of the target. |
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""" |
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visibility = _update_visibility(visibility) |
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copts = [] |
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if language.upper() == "C": |
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copts = ["-std=c11"] |
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native.cc_binary( |
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name = name, |
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srcs = srcs, |
|
args = args, |
|
data = data, |
|
testonly = testonly, |
|
linkshared = linkshared, |
|
deps = deps + _get_external_deps(external_deps) + ["//test/core/util:grpc_suppressions"], |
|
copts = GRPC_DEFAULT_COPTS + copts, |
|
linkopts = if_not_windows(["-pthread"]) + linkopts, |
|
tags = tags, |
|
features = features, |
|
) |
|
|
|
# buildifier: disable=unnamed-macro |
|
def grpc_generate_one_off_targets(): |
|
# In open-source, grpc_objc* libraries depend directly on //:grpc |
|
native.alias( |
|
name = "grpc_objc", |
|
actual = "//:grpc", |
|
) |
|
native.config_setting( |
|
name = "windows_other", |
|
values = {"define": "GRPC_WINDOWS_OTHER=1"}, |
|
) |
|
|
|
def grpc_generate_objc_one_off_targets(): |
|
pass |
|
|
|
def grpc_generate_one_off_internal_targets(): |
|
pass |
|
|
|
def grpc_sh_test(name, srcs = [], args = [], data = [], uses_polling = True, size = "medium", timeout = None, tags = [], exec_compatible_with = [], exec_properties = {}, shard_count = None, flaky = None, exclude_pollers = [], uses_event_engine = True): |
|
"""Execute an sh_test for every <poller> x <EventEngine> combination |
|
|
|
Args: |
|
name: The name of the test. |
|
srcs: The source files. |
|
args: The args to supply to the test binary. |
|
data: Data dependencies. |
|
uses_polling: Whether the test uses polling. |
|
size: The size of the test. |
|
timeout: The test timeout. |
|
tags: The tags for the test. |
|
exec_compatible_with: A list of constraint values that must be |
|
satisifed for the platform. |
|
exec_properties: A dictionary of strings that will be added to the |
|
exec_properties of a platform selected for this target. |
|
shard_count: The number of shards for this test. |
|
flaky: Whether this test is flaky. |
|
exclude_pollers: list of poller names to exclude for this set of tests. |
|
uses_event_engine: set to False if the test is not sensitive to |
|
EventEngine implementation differences |
|
""" |
|
test_args = { |
|
"data": data, |
|
"size": size, |
|
"timeout": timeout, |
|
"exec_compatible_with": exec_compatible_with, |
|
"exec_properties": exec_properties, |
|
"shard_count": shard_count, |
|
} |
|
|
|
for poller_config in expand_tests(name, srcs, [], tags, args, exclude_pollers, uses_polling, uses_event_engine, flaky): |
|
native.sh_test( |
|
name = poller_config["name"], |
|
srcs = poller_config["srcs"], |
|
deps = poller_config["deps"], |
|
tags = poller_config["tags"], |
|
args = poller_config["args"], |
|
env = poller_config["env"], |
|
flaky = poller_config["flaky"], |
|
**test_args |
|
) |
|
|
|
def grpc_sh_binary(name, srcs, data = []): |
|
native.sh_binary( |
|
name = name, |
|
srcs = srcs, |
|
data = data, |
|
) |
|
|
|
def grpc_py_binary( |
|
name, |
|
srcs, |
|
data = [], |
|
deps = [], |
|
external_deps = [], |
|
testonly = False, |
|
python_version = "PY2", |
|
**kwargs): |
|
native.py_binary( |
|
name = name, |
|
srcs = srcs, |
|
testonly = testonly, |
|
data = data, |
|
deps = deps + _get_external_deps(external_deps), |
|
python_version = python_version, |
|
**kwargs |
|
) |
|
|
|
def grpc_package(name, visibility = "private", features = []): |
|
"""Creates a package. |
|
|
|
Args: |
|
name: The name of the target |
|
visibility: The visibility of the target. |
|
features: The features to enable. |
|
""" |
|
if visibility == "tests": |
|
visibility = ["//test:__subpackages__"] |
|
elif visibility == "public": |
|
visibility = ["//visibility:public"] |
|
elif visibility == "private": |
|
visibility = [] |
|
else: |
|
fail("Unknown visibility " + visibility) |
|
|
|
if len(visibility) != 0: |
|
# buildifier: disable=native-package |
|
native.package( |
|
default_visibility = visibility, |
|
features = features, |
|
) |
|
|
|
def grpc_objc_library( |
|
name, |
|
srcs = [], |
|
hdrs = [], |
|
non_arc_srcs = [], |
|
textual_hdrs = [], |
|
testonly = False, |
|
data = [], |
|
deps = [], |
|
defines = [], |
|
sdk_frameworks = [], |
|
includes = [], |
|
visibility = ["//visibility:public"]): |
|
"""The grpc version of objc_library, only used for the Objective-C library compilation |
|
|
|
Args: |
|
name: name of target |
|
hdrs: public headers |
|
srcs: all source files (.m) |
|
non_arc_srcs: list of Objective-C files that DO NOT use ARC. |
|
textual_hdrs: private headers |
|
testonly: Whether the binary is for tests only. |
|
data: any other bundle resources |
|
defines: preprocessors |
|
sdk_frameworks: sdks |
|
includes: added to search path, always [the path to objc directory] |
|
deps: dependencies |
|
visibility: visibility, default to public |
|
""" |
|
|
|
native.objc_library( |
|
name = name, |
|
hdrs = hdrs, |
|
srcs = srcs, |
|
non_arc_srcs = non_arc_srcs, |
|
textual_hdrs = textual_hdrs, |
|
copts = GRPC_DEFAULT_COPTS + ["-ObjC++", "-std=gnu++14"], |
|
testonly = testonly, |
|
data = data, |
|
deps = deps, |
|
defines = defines, |
|
includes = includes, |
|
sdk_frameworks = sdk_frameworks, |
|
visibility = visibility, |
|
) |
|
|
|
def grpc_upb_proto_library(name, deps): |
|
upb_proto_library(name = name, deps = deps) |
|
|
|
def grpc_upb_proto_reflection_library(name, deps): |
|
upb_proto_reflection_library(name = name, deps = deps) |
|
|
|
# buildifier: disable=unnamed-macro |
|
def python_config_settings(): |
|
native.config_setting( |
|
name = "python3", |
|
flag_values = {"@bazel_tools//tools/python:python_version": "PY3"}, |
|
)
|
|
|