# Copyright 2025 - The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the',  help='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',  help='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.
"""libslirp bazel build rule."""

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

genrule(
    name = "slirp_version_header",
    srcs = ["src/libslirp-version.h.in"],
    outs = ["src/libslirp-version.h"],
    cmd = "sed -e 's/@SLIRP_MAJOR_VERSION@//' " +
          "-e 's/@SLIRP_MINOR_VERSION@//' " +
          "-e 's/@SLIRP_MICRO_VERSION@//' " +
          "-e 's/@SLIRP_VERSION_STRING@/\"4.7.0\"/' " +
          "$(location src/libslirp-version.h.in) > $(@)",
)

cc_library(
    name = "libslirp",
    srcs = glob([
        "src/arp_table.c",
        "src/bootp.c",
        "src/cksum.c",
        "src/dhcpv6.c",
        "src/dnssearch.c",
        "src/if.c",
        "src/ip6_icmp.c",
        "src/ip6_input.c",
        "src/ip6_output.c",
        "src/ip_icmp.c",
        "src/ip_input.c",
        "src/ip_output.c",
        "src/mbuf.c",
        "src/misc.c",
        "src/ncsi.c",
        "src/ndp_table.c",
        "src/sbuf.c",
        "src/slirp.c",
        "src/socket.c",
        "src/state.c",
        "src/stream.c",
        "src/tcp_input.c",
        "src/tcp_output.c",
        "src/tcp_subr.c",
        "src/tcp_timer.c",
        "src/tftp.c",
        "src/udp.c",
        "src/udp6.c",
        "src/util.c",
        "src/version.c",
        "src/vmstate.c",
    ]) + select({
        "@bazel_tools//src/conditions:linux_x86_64": ["src/ip_icmp_ping.c"],
        "@bazel_tools//src/conditions:darwin": ["src/ip_icmp_ping.c"],
        "//conditions:default": [],
    }),
    hdrs = glob(["src/*.h"]) + [":slirp_version_header"],
    includes = [
        "src",
    ],
    copts = select({
        "@bazel_tools//src/conditions:windows": [
            "-Wno-format-nonliteral",
            "-Wno-unused-but-set-variable",
            "-Wno-implicit-function-declaration",
        ],
        "//conditions:default": [
            "-Wmissing-prototypes",
            "-Wstrict-prototypes",
            "-Wredundant-decls",
            "-Wundef",
            "-Wwrite-strings",
        ],
    }),
    defines = [
        "BUILDING_LIBSLIRP",
    ] + select({
        "@bazel_tools//src/conditions:windows": [
            "NDEBUG=1",
            "_FILE_OFFSET_BITS=64",
            "_GNU_SOURCE=1",
            "_LARGEFILE_SOURCE",
            "_NO_EXCEPTIONS",
            "_USE_MATH_DEFINES",
            "_WIN32_WINNT=0x0601",
            "__STDC_FORMAT_MACROS=1",
            "__STDC_LIMIT_MACROS=1",
        ],
        "//conditions:default": [],
    }),
    deps = ["@glib//glib"],
    linkopts = select({
        "@bazel_tools//src/conditions:windows": [
            "-lws2_32",
            "-liphlpapi",
        ],
        "//conditions:default": [],
    }),
)