tracing/BUILD

# Copyright 2026 Google LLC
#
# 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("@rules_cc//cc:cc_library.bzl", "cc_library")
load("@rules_cc//cc:cc_test.bzl", "cc_test")

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

cc_library(
    name = "span",
    srcs = [
        "scoped_span.cc",
        "thread_context.cc",
    ],
    hdrs = [
        "scoped_span.h",
        "span.h",
        "thread_context.h",
    ],
    deps = [
        "@abseil-cpp//absl/base:nullability",
        "@abseil-cpp//absl/status",
        "@abseil-cpp//absl/strings:string_view",
    ],
)

cc_test(
    name = "span_test",
    srcs = ["span_test.cc"],
    deps = [
        ":span",
        ":tracer",
        "@abseil-cpp//absl/status",
        "@abseil-cpp//absl/strings:string_view",
        "@googletest//:gtest_main",
    ],
)

cc_test(
    name = "thread_context_test",
    srcs = ["thread_context_test.cc"],
    deps = [
        ":span",
        ":tracer",
        "@googletest//:gtest_main",
    ],
)

cc_library(
    name = "tracer",
    srcs = [
        "noop_tracing.cc",
        "tracer_factory.cc",
    ],
    hdrs = [
        "noop_tracing.h",
        "tracer.h",
        "tracer_factory.h",
    ],
    deps = [
        ":span",
        "//async:async_context",
        "@abseil-cpp//absl/base:core_headers",
        "@abseil-cpp//absl/base:nullability",
        "@abseil-cpp//absl/status",
        "@abseil-cpp//absl/strings:string_view",
        "@abseil-cpp//absl/synchronization",
    ],
)

cc_test(
    name = "tracer_test",
    srcs = ["tracer_test.cc"],
    deps = [
        ":scoped_tracer_factory",
        ":span",
        ":tracer",
        "//async:async_context",
        "@abseil-cpp//absl/base:nullability",
        "@abseil-cpp//absl/status",
        "@abseil-cpp//absl/strings:string_view",
        "@googletest//:gtest_main",
    ],
)

cc_test(
    name = "scoped_span_test",
    srcs = ["scoped_span_test.cc"],
    deps = [
        ":span",
        "@abseil-cpp//absl/status",
        "@abseil-cpp//absl/strings:string_view",
        "@googletest//:gtest_main",
    ],
)

cc_library(
    name = "test_tracing",
    testonly = 1,
    srcs = ["test_tracing.cc"],
    hdrs = ["test_tracing.h"],
    deps = [
        ":span",
        ":tracer",
        "@abseil-cpp//absl/base:core_headers",
        "@abseil-cpp//absl/container:flat_hash_map",
        "@abseil-cpp//absl/status",
        "@abseil-cpp//absl/strings:str_format",
        "@abseil-cpp//absl/strings:string_view",
        "@abseil-cpp//absl/synchronization",
        "@abseil-cpp//absl/time",
    ],
)

cc_library(
    name = "scoped_tracer_factory",
    srcs = ["scoped_tracer_factory.cc"],
    hdrs = ["scoped_tracer_factory.h"],
    deps = [
        ":tracer",
        "@abseil-cpp//absl/base:nullability",
    ],
)

cc_test(
    name = "test_tracing_test",
    srcs = ["test_tracing_test.cc"],
    deps = [
        ":span",
        ":test_tracing",
        ":tracer",
        "@abseil-cpp//absl/status",
        "@abseil-cpp//absl/strings:string_view",
        "@abseil-cpp//absl/time",
        "@googletest//:gtest_main",
    ],
)