aca0beaf77
This is a re-landing of the original CL, with a few changes: - The correct device is now returned in MapUpdateSnapshot. - The old API is used for tests, and the new API is only tested when used on a VABC device. - A sync() call has been added to ensure that writes to the base and target snapshot devices have been fully flushed. This makes IsPartitionUnchanged detect the MapUpdateSnapshot bug. Implement OpenSnapshotWriter for non-compressed Virtual A/B. This is done by adding an OnlineKernelSnapshotWriter class, which forwards all writes to a dm-snapshot block device. This also introduces a new ISnapshotWriter class which extends ICowWriter, and adds features specific to libsnapshot (versus ICowWriter which is intended only for the new COW format). The OpenSnapshotReader call has been moved here since the writer retains all the information needed to create the reader. To test the new call, vts_libsnapshot_test has been modified to use OpenSnapshotWriter. As part of this change, all consumers of libsnapshot must now link to libsnapshot_cow. Bug: 168554689 Test: vts_libsnapshot_test Test: full OTA with update_device.py Test: incremental OTA with update_device.py Change-Id: I90364a58902a4406a37cb14a816642c57a72bec2
327 lines
6.5 KiB
Text
327 lines
6.5 KiB
Text
// Copyright (C) 2018 The Android Open Source Project
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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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// This is required because no Android.bp can include a library defined in an
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// Android.mk. Eventually should kill libfastboot (defined in Android.mk)
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cc_library_host_static {
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name: "libfastboot2",
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//host_supported: true,
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compile_multilib: "first",
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srcs: [
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"bootimg_utils.cpp",
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"fs.cpp",
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"socket.cpp",
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"tcp.cpp",
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"udp.cpp",
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"util.cpp",
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"fastboot_driver.cpp",
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],
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static_libs: [
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"libziparchive",
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"libsparse",
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"libutils",
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"liblog",
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"libz",
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"libdiagnose_usb",
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"libbase",
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"libcutils",
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"libgtest",
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"libgtest_main",
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"libbase",
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"libadb_host",
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"liblp",
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],
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header_libs: [
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"bootimg_headers",
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],
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export_header_lib_headers: [
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"bootimg_headers",
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],
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target: {
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linux: {
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srcs: ["usb_linux.cpp"],
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},
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darwin: {
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srcs: ["usb_osx.cpp"],
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host_ldlibs: [
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"-framework CoreFoundation",
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"-framework IOKit",
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],
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},
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windows: {
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srcs: ["usb_windows.cpp"],
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host_ldlibs: [
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"-lws2_32",
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],
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},
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},
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cflags: [
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"-Wall",
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"-Wextra",
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"-Werror",
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"-Wunreachable-code",
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],
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export_include_dirs: ["."],
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}
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cc_defaults {
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name: "fastboot_defaults",
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cflags: [
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"-Wall",
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"-Wextra",
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"-Werror",
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"-Wvla",
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],
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rtti: true,
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clang_cflags: [
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"-Wthread-safety",
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],
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}
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cc_binary {
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name: "fastbootd",
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defaults: ["fastboot_defaults"],
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recovery: true,
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srcs: [
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"device/commands.cpp",
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"device/fastboot_device.cpp",
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"device/flashing.cpp",
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"device/main.cpp",
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"device/usb.cpp",
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"device/usb_client.cpp",
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"device/tcp_client.cpp",
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"device/utility.cpp",
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"device/variables.cpp",
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"socket.cpp",
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],
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shared_libs: [
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"android.hardware.boot@1.0",
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"android.hardware.boot@1.1",
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"android.hardware.fastboot@1.1",
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"android.hardware.health@2.0",
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"libasyncio",
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"libbase",
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"libbootloader_message",
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"libcutils",
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"libext2_uuid",
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"libext4_utils",
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"libfs_mgr",
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"libgsi",
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"libhidlbase",
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"liblog",
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"liblp",
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"libprotobuf-cpp-lite",
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"libsparse",
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"libutils",
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],
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static_libs: [
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"libgtest_prod",
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"libhealthhalutils",
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"libsnapshot_cow",
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"libsnapshot_nobinder",
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"update_metadata-protos",
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],
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header_libs: [
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"avb_headers",
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"libsnapshot_headers",
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]
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}
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cc_defaults {
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name: "fastboot_host_defaults",
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use_version_lib: true,
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cflags: [
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"-Wall",
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"-Wextra",
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"-Werror",
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"-Wunreachable-code",
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],
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target: {
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darwin: {
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cflags: ["-Wno-unused-parameter"],
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host_ldlibs: [
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"-lpthread",
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"-framework CoreFoundation",
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"-framework IOKit",
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],
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},
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windows: {
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enabled: true,
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host_ldlibs: ["-lws2_32"],
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},
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not_windows: {
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static_libs: [
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"libext4_utils",
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],
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},
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},
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stl: "libc++_static",
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// Don't add anything here, we don't want additional shared dependencies
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// on the host fastboot tool, and shared libraries that link against libc++
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// will violate ODR.
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shared_libs: [],
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header_libs: [
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"avb_headers",
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"bootimg_headers",
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],
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static_libs: [
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"libziparchive",
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"libsparse",
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"libutils",
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"liblog",
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"libz",
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"libdiagnose_usb",
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"libbase",
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"libcutils",
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"libgtest_host",
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"liblp",
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"libcrypto",
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],
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}
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//
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// Build host libfastboot.
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//
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cc_library_host_static {
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name: "libfastboot",
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defaults: ["fastboot_host_defaults"],
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srcs: [
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"bootimg_utils.cpp",
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"fastboot.cpp",
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"fs.cpp",
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"socket.cpp",
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"tcp.cpp",
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"udp.cpp",
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"util.cpp",
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"fastboot_driver.cpp",
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],
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// Only version the final binaries
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use_version_lib: false,
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static_libs: ["libbuildversion"],
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generated_headers: ["platform_tools_version"],
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target: {
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windows: {
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srcs: ["usb_windows.cpp"],
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include_dirs: ["development/host/windows/usb/api"],
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},
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darwin: {
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srcs: ["usb_osx.cpp"],
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},
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linux: {
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srcs: ["usb_linux.cpp"],
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},
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},
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}
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//
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// Build host fastboot / fastboot.exe
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//
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cc_binary_host {
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name: "fastboot",
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defaults: ["fastboot_host_defaults"],
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srcs: ["main.cpp"],
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static_libs: ["libfastboot"],
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required: [
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"mke2fs",
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"make_f2fs",
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"make_f2fs_casefold",
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],
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dist: {
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targets: [
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"dist_files",
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"sdk",
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"win_sdk",
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],
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},
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target: {
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not_windows: {
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required: [
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"e2fsdroid",
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"mke2fs.conf",
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"sload_f2fs",
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],
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},
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windows: {
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required: ["AdbWinUsbApi"],
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shared_libs: ["AdbWinApi"],
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},
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},
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}
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//
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// Build host fastboot_test.
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//
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cc_test_host {
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name: "fastboot_test",
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defaults: ["fastboot_host_defaults"],
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srcs: [
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"fastboot_test.cpp",
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"socket_mock.cpp",
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"socket_test.cpp",
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"tcp_test.cpp",
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"udp_test.cpp",
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],
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static_libs: ["libfastboot"],
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target: {
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windows: {
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shared_libs: ["AdbWinApi"],
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},
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windows_x86_64: {
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// Avoid trying to build for win64
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enabled: false,
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},
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},
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}
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