pw_rpc/BUILD.bazel

# Copyright 2020 The Pigweed Authors
#
# 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
#
#     https://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.

load("//pw_build:pigweed.bzl", "pw_cc_library", "pw_cc_test")
load("//pw_protobuf_compiler:proto.bzl", "pw_proto_library")
load("@com_google_protobuf//:protobuf.bzl", "py_proto_library")
load("@rules_proto//proto:defs.bzl", "proto_library")
load("@rules_proto_grpc//:defs.bzl", "proto_plugin")
load("@rules_proto_grpc//js:defs.bzl", "js_proto_library")

package(default_visibility = ["//visibility:public"])

licenses(["notice"])

pw_cc_library(
    name = "client",
    srcs = [
        "base_client_call.cc",
        "client.cc",
    ],
    hdrs = [
        "public/pw_rpc/client.h",
        "public/pw_rpc/internal/base_client_call.h",
        "public/pw_rpc/internal/service_client.h",
    ],
    deps = [
        ":common",
        "//pw_containers:intrusive_list",
        "//pw_result",
    ],
)

pw_cc_library(
    name = "server",
    srcs = [
        "call.cc",
        "endpoint.cc",
        "public/pw_rpc/internal/call.h",
        "public/pw_rpc/internal/call_context.h",
        "public/pw_rpc/internal/endpoint.h",
        "public/pw_rpc/internal/hash.h",
        "public/pw_rpc/internal/method.h",
        "public/pw_rpc/internal/method_info.h",
        "public/pw_rpc/internal/method_lookup.h",
        "public/pw_rpc/internal/method_union.h",
        "public/pw_rpc/internal/open_call.h",
        "server.cc",
        "service.cc",
    ],
    hdrs = [
        "public/pw_rpc/server.h",
        "public/pw_rpc/server_context.h",
        "public/pw_rpc/service.h",
    ],
    includes = ["public"],
    deps = [
        ":common",
        ":internal_packet_pwpb",
        "//pw_containers",
        "//pw_rpc/system_server",
    ],
)

proto_library(
    name = "benchmark_proto",
    srcs = [
        "benchmark.proto",
    ],
)

pw_proto_library(
    name = "benchmark_pwpb",
    deps = [":benchmark_proto"],
)

pw_cc_library(
    name = "benchmark",
    srcs = ["benchmark.cc"],
    hdrs = ["public/pw_rpc/benchmark.h"],
    includes = ["public"],
    deps = [
        ":benchmark_pwpb",
        # TODO(hepler): RPC deps not used directly should be provided by the proto library
        ":client",
        ":server",
        "//pw_rpc/raw:method_union",
    ],
)

# TODO(hepler): Build this as a cc_binary and use it in integration tests.
filegroup(
    name = "test_rpc_server",
    srcs = ["test_rpc_server.cc"],
    # deps = [
    #     "system_server",
    #     ":benchmark",
    #     "//pw_log",
    # ],
)

pw_cc_library(
    name = "client_server",
    srcs = ["client_server.cc"],
    hdrs = ["public/pw_rpc/client_server.h"],
    deps = [
        ":client",
        ":server",
    ],
)

pw_cc_library(
    name = "common",
    srcs = [
        "channel.cc",
        "packet.cc",
        "public/pw_rpc/internal/channel.h",
        "public/pw_rpc/internal/config.h",
        "public/pw_rpc/internal/packet.h",
        "public/pw_rpc/method_type.h",
    ],
    hdrs = [
        "public/pw_rpc/channel.h",
    ],
    includes = ["public"],
    deps = [
        ":internal_packet_pwpb",
        "//pw_assert",
        "//pw_bytes",
        "//pw_function",
        "//pw_log",
        "//pw_span",
        "//pw_status",
    ],
)

pw_cc_library(
    name = "synchronized_channel_output",
    hdrs = ["public/pw_rpc/synchronized_channel_output.h"],
    includes = ["public"],
    deps = [
        ":common",
        "//pw_sync:lock_annotations",
        "//pw_sync:mutex",
    ],
)

pw_cc_library(
    name = "internal_test_utils",
    srcs = ["fake_channel_output.cc"],
    hdrs = [
        "public/pw_rpc/internal/fake_channel_output.h",
        "public/pw_rpc/internal/method_impl_tester.h",
        "public/pw_rpc/internal/method_info_tester.h",
        "public/pw_rpc/internal/test_method.h",
        "public/pw_rpc/internal/test_method_context.h",
        "public/pw_rpc/internal/test_utils.h",
        "pw_rpc_private/fake_server_reader_writer.h",
    ],
    includes = [
        ".",
        "public",
    ],
    visibility = [":__subpackages__"],
    deps = [
        ":client",
        ":server",
        "//pw_assert",
        "//pw_bytes",
        "//pw_span",
    ],
)

# TODO(hepler): Cannot build nanopb-dependent code in Bazel at the moment. Need
# to determine how best to support Nanopb builds and protobuf generation.
filegroup(
    name = "nanopb",
    srcs = [
        "nanopb/client_call.cc",
        "nanopb/client_call_test.cc",
        "nanopb/codegen_test.cc",
        "nanopb/common.cc",
        "nanopb/echo_service_test.cc",
        "nanopb/method.cc",
        "nanopb/method_info_test.cc",
        "nanopb/method_lookup_test.cc",
        "nanopb/method_test.cc",
        "nanopb/method_union_test.cc",
        "nanopb/public/pw_rpc/echo_service_nanopb.h",
        "nanopb/public/pw_rpc/nanopb/client_call.h",
        "nanopb/public/pw_rpc/nanopb/fake_channel_output.h",
        "nanopb/public/pw_rpc/nanopb/internal/common.h",
        "nanopb/public/pw_rpc/nanopb/internal/method.h",
        "nanopb/public/pw_rpc/nanopb/internal/method_union.h",
        "nanopb/public/pw_rpc/nanopb/server_reader_writer.h",
        "nanopb/public/pw_rpc/nanopb/test_method_context.h",
        "nanopb/pw_rpc_nanopb_private/internal_test_utils.h",
        "nanopb/server_reader_writer.cc",
        "nanopb/server_reader_writer_test.cc",
        "nanopb/stub_generation_test.cc",
    ],
)

pw_cc_test(
    name = "responder_test",
    srcs = [
        "call_test.cc",
    ],
    deps = [
        ":internal_test_utils",
        ":server",
    ],
)

pw_cc_test(
    name = "base_client_call_test",
    srcs = [
        "base_client_call_test.cc",
    ],
    deps = [
        ":client",
        ":internal_test_utils",
    ],
)

pw_cc_test(
    name = "client_test",
    srcs = [
        "client_test.cc",
    ],
    deps = [
        ":client",
        ":internal_test_utils",
    ],
)

pw_cc_test(
    name = "channel_test",
    srcs = ["channel_test.cc"],
    deps = [
        ":internal_test_utils",
        ":server",
    ],
)

pw_cc_test(
    name = "method_test",
    srcs = ["method_test.cc"],
    deps = [
        ":internal_test_utils",
        ":server",
    ],
)

pw_cc_test(
    name = "packet_test",
    srcs = [
        "packet_test.cc",
    ],
    deps = [
        ":server",
    ],
)

pw_cc_test(
    name = "client_server_test",
    srcs = ["client_server_test.cc"],
    deps = [
        ":client_server",
        ":internal_test_utils",
        "//pw_rpc/raw:method_union",
    ],
)

proto_library(
    name = "packet_proto",
    srcs = [
        "internal/packet.proto",
    ],
)

pw_cc_test(
    name = "server_test",
    srcs = [
        "server_test.cc",
    ],
    deps = [
        ":internal_test_utils",
        ":server",
        "//pw_assert",
    ],
)

pw_cc_test(
    name = "service_test",
    srcs = [
        "service_test.cc",
    ],
    deps = [
        ":internal_test_utils",
        ":server",
        "//pw_assert",
    ],
)

pw_cc_test(
    name = "fake_channel_output_test",
    srcs = ["fake_channel_output_test.cc"],
    deps = [":internal_test_utils"],
)

proto_library(
    name = "internal_packet_proto",
    srcs = ["internal/packet.proto"],
    visibility = ["//visibility:private"],
)

js_proto_library(
    name = "packet_proto_tspb",
    protos = [":packet_proto"],
)

py_proto_library(
    name = "internal_packet_proto_pb2",
    srcs = ["internal/packet.proto"],
)

pw_proto_library(
    name = "internal_packet_pwpb",
    deps = [":internal_packet_proto"],
)

proto_library(
    name = "pw_rpc_test_proto",
    srcs = ["pw_rpc_test_protos/test.proto"],
    strip_import_prefix = "//pw_rpc",
)

pw_proto_library(
    name = "pw_rpc_test_pwpb",
    deps = [":pw_rpc_test_proto"],
)

proto_plugin(
    name = "pw_cc_plugin",
    outputs = [
        "{protopath}.raw_rpc.pb.h",
    ],
    protoc_plugin_name = "raw_rpc",
    tool = "@pigweed//pw_rpc/py:plugin",
    use_built_in_shell_environment = True,
    visibility = ["//visibility:public"],
)