[GSoC26][bazel] add bazel build system support for simple_switch_grpc

.bazelrc

@@ -0,0 +1,14 @@
+build --cxxopt=-std=c++17
+build --host_cxxopt=-std=c++17
+
+build --copt=-fPIC
+
+build --copt=-Wall
+build --copt=-Wextra
+
+build --per_file_copt=external/.*@-Wno-error
+
+build --linkopt=-L/usr/local/lib
+build --linkopt=-Wl,-rpath,/usr/local/lib
+
+test --test_output=errors

.bazelversion

@@ -0,0 +1 @@
+8.5.0

.github/workflows/bazel.yml

@@ -0,0 +1,42 @@
+name: "Bazel Build"
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build_and_test:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install system dependencies
+        run: sudo bash install_deps_ubuntu_22.04.sh
+
+      - name: Setup Buildifier
+        run: |
+          sudo curl -L https://github.com/bazelbuild/buildtools/releases/download/v8.5.1/buildifier-linux-amd64 -o /usr/bin/buildifier --fail
+          sudo chmod +x /usr/bin/buildifier
+
+      - name: Run Buildifier
+        run: |
+          BZL_FILES=$(find . -name *BUILD* -o -name '*bzl' -o -name '*.bazel')
+          if ! buildifier --mode=check $BZL_FILES; then
+            echo "::error::Buildifier formatting issues found."
+            echo "::group::Buildifier Diff"
+            buildifier --mode=diff $BZL_FILES
+            echo "::endgroup::"
+            exit 1
+          else
+            echo "All files are formatted correctly."
+          fi
+
+      - name: Build
+        run: bazel build //targets/simple_switch_grpc:simple_switch_grpc
+
+      - name: Test
+        run: bazel test //targets/simple_switch_grpc/tests/...

.gitignore

@@ -104,3 +104,7 @@ VERSION-build
 
 core
 vgcore*
+
+# Bazel build outputs
+/bazel-*
+MODULE.bazel.lock

BUILD.bazel

@@ -0,0 +1,50 @@
+load("@bazel_skylib//rules:expand_template.bzl", "expand_template")
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+
+expand_template(
+    name = "config_h",
+    out = "include/bm/config.h",
+    substitutions = {
+        # disabled
+        "#cmakedefine BM_DEBUG_ON @BM_DEBUG_ON@": "/* #undef BM_DEBUG_ON */",
+        # enabled
+        "#cmakedefine BM_ELOG_ON @BM_ELOG_ON@": "#define BM_ELOG_ON 1",
+        "#cmakedefine BM_ENABLE_MODULES @BM_ENABLE_MODULES@": "#define BM_ENABLE_MODULES 1",
+        "#cmakedefine BM_HAVE_ALGORITHM @BM_HAVE_ALGORITHM@": "#define BM_HAVE_ALGORITHM 1",
+        "#cmakedefine BM_HAVE_ARRAY @BM_HAVE_ARRAY@": "#define BM_HAVE_ARRAY 1",
+        "#cmakedefine BM_HAVE_CASSERT @BM_HAVE_CASSERT@": "#define BM_HAVE_CASSERT 1",
+        "#cmakedefine BM_HAVE_CMATH @BM_HAVE_CMATH@": "#define BM_HAVE_CMATH 1",
+        "#cmakedefine BM_HAVE_CSTDIO @BM_HAVE_CSTDIO@": "#define BM_HAVE_CSTDIO 1",
+        "#cmakedefine BM_HAVE_CTIME @BM_HAVE_CTIME@": "#define BM_HAVE_CTIME 1",
+        "#cmakedefine BM_HAVE_DLFCN_H @BM_HAVE_DLFCN_H@": "#define BM_HAVE_DLFCN_H 1",
+        "#cmakedefine BM_HAVE_DLOPEN @BM_HAVE_DLOPEN@": "#define BM_HAVE_DLOPEN 1",
+        "#cmakedefine BM_HAVE_QUEUE @BM_HAVE_QUEUE@": "#define BM_HAVE_QUEUE 1",
+        "#cmakedefine BM_HAVE_STRING @BM_HAVE_STRING@": "#define BM_HAVE_STRING 1",
+        "#cmakedefine BM_HAVE_SYS_STAT_H @BM_HAVE_SYS_STAT_H@": "#define BM_HAVE_SYS_STAT_H 1",
+        "#cmakedefine BM_HAVE_SYS_TYPES_H @BM_HAVE_SYS_TYPES_H@": "#define BM_HAVE_SYS_TYPES_H 1",
+        # disabled
+        "#cmakedefine BM_HAVE_THRIFT_STDCXX_H @BM_HAVE_THRIFT_STDCXX_H@": "/* #undef BM_HAVE_THRIFT_STDCXX_H */",
+        # enabled
+        "#cmakedefine BM_HAVE_TUPLE @BM_HAVE_TUPLE@": "#define BM_HAVE_TUPLE 1",
+        "#cmakedefine BM_HAVE_UNISTD_H @BM_HAVE_UNISTD_H@": "#define BM_HAVE_UNISTD_H 1",
+        "#cmakedefine BM_HAVE_UNORDERED_MAP @BM_HAVE_UNORDERED_MAP@": "#define BM_HAVE_UNORDERED_MAP 1",
+        "#cmakedefine BM_HAVE_UTILITY @BM_HAVE_UTILITY@": "#define BM_HAVE_UTILITY 1",
+        "#cmakedefine BM_HAVE_VECTOR @BM_HAVE_VECTOR@": "#define BM_HAVE_VECTOR 1",
+        "#cmakedefine BM_LOG_DEBUG_ON @BM_LOG_DEBUG_ON@": "#define BM_LOG_DEBUG_ON 1",
+        "#cmakedefine BM_LOG_TRACE_ON @BM_LOG_TRACE_ON@": "#define BM_LOG_TRACE_ON 1",
+        "#cmakedefine BM_NANOMSG_ON @BM_NANOMSG_ON@": "#define BM_NANOMSG_ON 1",
+        # disabled
+        "#cmakedefine BM_THRIFT_ON @BM_THRIFT_ON@": "/* #undef BM_THRIFT_ON */",
+        "#cmakedefine BM_THRIFT_VERSION @BM_THRIFT_VERSION@": "/* #undef BM_THRIFT_VERSION */",
+        # enabled
+        "#cmakedefine BM_WP4_16_STACKS @BM_WP4_16_STACKS@": "#define BM_WP4_16_STACKS 1",
+    },
+    template = "include/bm/config.h.in",
+)
+
+cc_library(
+    name = "bm_headers",
+    hdrs = glob(["include/bm/**/*.h"]) + [":config_h"],
+    includes = ["include"],
+    visibility = ["//visibility:public"],
+)

MODULE.bazel

@@ -0,0 +1,13 @@
+module(
+    name = "behavioral-model",
+    version = "1.15.0",
+    bazel_compatibility = [">=7.2.1"],
+)
+
+bazel_dep(name = "bazel_skylib", version = "1.9.0")
+bazel_dep(name = "rules_cc", version = "0.2.17")
+
+bazel_dep(name = "googletest", version = "1.17.0", dev_dependency = True)
+
+ubuntu2204 = use_extension("//bazel:ubuntu2204.bzl", "ubuntu2204")
+use_repo(ubuntu2204, "ubuntu2204")

PI/BUILD.bazel

@@ -0,0 +1,19 @@
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+
+cc_library(
+    name = "bmpi",
+    srcs = glob([
+        "src/*.cpp",
+        "src/*.h",
+    ]),
+    hdrs = ["bm/PI/pi.h"],
+    copts = ["-Wno-error=redundant-move"],
+    includes = ["."],
+    local_defines = ["WITH_SIMPLE_SWITCH"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//:bm_headers",
+        "//targets/simple_switch:simpleswitch",
+    ],
+    alwayslink = True,
+)

bazel/ubuntu2204.bzl

@@ -0,0 +1,114 @@
+"""
+Module extension for system-installed libraries.
+"""
+
+def _ubuntu2204_impl(rctx):
+    rctx.file("BUILD.bazel", """
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+
+# p4lang/PI libraries (installed via apt: p4lang-pi)
+cc_library(
+    name = "pi",
+    linkopts = ["-lpi"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "pifeproto",
+    linkopts = ["-lpifeproto"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "pigrpcserver",
+    linkopts = ["-lpigrpcserver"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "pip4info",
+    linkopts = ["-lpip4info"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "piprotogrpc",
+    linkopts = ["-lpiprotogrpc"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "piprotobuf",
+    linkopts = ["-lpiprotobuf"],
+    visibility = ["//visibility:public"],
+)
+
+# Boost libraries
+cc_library(
+    name = "boost_program_options",
+    linkopts = ["-lboost_program_options"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "boost_filesystem",
+    linkopts = ["-lboost_filesystem"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "boost_thread",
+    linkopts = ["-lboost_thread"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "boost_system",
+    linkopts = ["-lboost_system"],
+    visibility = ["//visibility:public"],
+)
+
+# GMP (GNU Multiple Precision)
+cc_library(
+    name = "gmp",
+    linkopts = ["-lgmp"],
+    visibility = ["//visibility:public"],
+)
+
+# PCAP
+cc_library(
+    name = "pcap",
+    linkopts = ["-lpcap"],
+    visibility = ["//visibility:public"],
+)
+
+# nanomsg
+cc_library(
+    name = "nanomsg",
+    linkopts = ["-lnanomsg"],
+    visibility = ["//visibility:public"],
+)
+
+# grpc
+cc_library(
+    name = "grpc",
+    linkopts = [
+        "-lgrpc++",
+        "-lgrpc",
+        "-lprotobuf",
+        "-lgpr",
+    ],
+    visibility = ["//visibility:public"],
+)
+""")
+
+_ubuntu2204_repo = repository_rule(
+    implementation = _ubuntu2204_impl,
+)
+
+def _ubuntu2204_ext_impl(_):
+    _ubuntu2204_repo(name = "ubuntu2204")
+
+ubuntu2204 = module_extension(
+    implementation = _ubuntu2204_ext_impl,
+)

install_deps_ubuntu_22.04.sh

@@ -3,8 +3,7 @@ set -e
 
 apt-get update
 apt-get install -y curl gnupg
-echo 'deb http://download.opensuse.org/repositories/home:/p4lang/xUbuntu_22.04/ /' | tee /etc/apt/sources.list.d/home:p4lang.list
-curl -fsSL https://download.opensuse.org/repositories/home:p4lang/xUbuntu_22.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_p4lang.gpg > /dev/null
+echo 'deb [trusted=yes] http://download.opensuse.org/repositories/home:/p4lang/xUbuntu_22.04/ /' | tee /etc/apt/sources.list.d/home:p4lang.list
 
 apt-get update
 

services/BUILD.bazel

@@ -0,0 +1,28 @@
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+
+genrule(
+    name = "dataplane_interface_codegen",
+    srcs = ["p4/bm/dataplane_interface.proto"],
+    outs = [
+        "p4/bm/dataplane_interface.pb.h",
+        "p4/bm/dataplane_interface.pb.cc",
+        "p4/bm/dataplane_interface.grpc.pb.h",
+        "p4/bm/dataplane_interface.grpc.pb.cc",
+    ],
+    cmd = "protoc -Iservices --cpp_out=$(RULEDIR) --grpc_out=$(RULEDIR) --plugin=protoc-gen-grpc=$$(which grpc_cpp_plugin) $(location p4/bm/dataplane_interface.proto)",
+)
+
+cc_library(
+    name = "bm_grpc_dataplane",
+    srcs = [
+        "p4/bm/dataplane_interface.grpc.pb.cc",
+        "p4/bm/dataplane_interface.pb.cc",
+    ],
+    hdrs = [
+        "p4/bm/dataplane_interface.grpc.pb.h",
+        "p4/bm/dataplane_interface.pb.h",
+    ],
+    includes = ["."],
+    visibility = ["//visibility:public"],
+    deps = ["@ubuntu2204//:grpc"],
+)

src/BMI/BUILD.bazel

@@ -0,0 +1,17 @@
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+
+cc_library(
+    name = "bmi",
+    srcs = [
+        "bmi_interface.c",
+        "bmi_port.c",
+    ],
+    hdrs = [
+        "BMI/bmi_port.h",
+        "bmi_interface.h",
+    ],
+    includes = ["."],
+    local_defines = ["WITH_PCAP_FIX"],
+    visibility = ["//visibility:public"],
+    deps = ["@ubuntu2204//:pcap"],
+)

src/bm_sim/BUILD.bazel

@@ -0,0 +1,31 @@
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+
+genrule(
+    name = "version_cpp",
+    srcs = ["version.cpp.in"],
+    outs = ["version.cpp"],
+    cmd = "sed 's/@BM_VERSION@/1.15.0/' $< > $@",
+)
+
+cc_library(
+    name = "bmsim",
+    srcs = glob([
+        "*.cpp",
+        "*.c",
+        "*.h",
+        "core/*.cpp",
+    ]) + [":version_cpp"],
+    copts = ["-Isrc/bm_sim"],
+    linkopts = ["-ldl"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//:bm_headers",
+        "//src/BMI:bmi",
+        "//third_party:jsoncpp",
+        "//third_party:spdlog",
+        "@ubuntu2204//:boost_thread",
+        "@ubuntu2204//:gmp",
+        "@ubuntu2204//:nanomsg",
+        "@ubuntu2204//:pcap",
+    ],
+)

targets/simple_switch/BUILD.bazel

@@ -0,0 +1,23 @@
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+
+cc_library(
+    name = "simpleswitch",
+    srcs = [
+        "primitives.cpp",
+        "simple_switch.cpp",
+    ],
+    hdrs = [
+        "register_access.h",
+        "simple_switch.h",
+    ],
+    includes = ["."],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//:bm_headers",
+        "//src/BMI:bmi",
+        "//src/bm_sim:bmsim",
+        "//third_party:jsoncpp",
+        "@ubuntu2204//:boost_filesystem",
+        "@ubuntu2204//:boost_program_options",
+    ],
+)