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Snap for 5392835 from 9d2a945e9b to qt-release

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Change-Id: I5b74ee551ca0f6f8b24f67ba69f6a63892c7b315
This commit is contained in:
android-build-team Robot
2019-03-21 03:07:49 +00:00
parent 9ac28bd577 9d2a945e9b
commit 2c1b3d7ac1
11 changed files with 233 additions and 243 deletions
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adb_install.cpp
-1
View File
@@ -35,7 +35,6 @@
#include "ui.h"
int apply_from_adb(bool* wipe_cache) {
modified_flash = true;
// Save the usb state to restore after the sideload operation.
std::string usb_state = android::base::GetProperty("sys.usb.state", "none");
// Clean up state and stop adbd.
fuse_sdcard_install.cpp
+171 -10
View File
@@ -16,30 +16,191 @@
#include "fuse_sdcard_install.h"
#include <dirent.h>
#include <signal.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <algorithm>
#include <functional>
#include <memory>
#include <vector>
#include <android-base/logging.h>
#include <android-base/strings.h>
#include "bootloader_message/bootloader_message.h"
#include "fuse_provider.h"
#include "fuse_sideload.h"
#include "install.h"
#include "roots.h"
bool start_sdcard_fuse(const char* path) {
FuseFileDataProvider file_data_reader(path, 65536);
static constexpr const char* SDCARD_ROOT = "/sdcard";
// How long (in seconds) we wait for the fuse-provided package file to
// appear, before timing out.
static constexpr int SDCARD_INSTALL_TIMEOUT = 10;
if (!file_data_reader) {
return false;
// Set the BCB to reboot back into recovery (it won't resume the install from
// sdcard though).
static void SetSdcardUpdateBootloaderMessage() {
std::vector<std::string> options;
std::string err;
if (!update_bootloader_message(options, &err)) {
LOG(ERROR) << "Failed to set BCB message: " << err;
}
}
// Returns the selected filename, or an empty string.
static std::string BrowseDirectory(const std::string& path, Device* device, RecoveryUI* ui) {
ensure_path_mounted(path);
std::unique_ptr<DIR, decltype(&closedir)> d(opendir(path.c_str()), closedir);
if (!d) {
PLOG(ERROR) << "error opening " << path;
return "";
}
provider_vtab vtab;
vtab.read_block = std::bind(&FuseFileDataProvider::ReadBlockAlignedData, &file_data_reader,
std::placeholders::_2, std::placeholders::_3, std::placeholders::_1);
vtab.close = [&file_data_reader]() { file_data_reader.Close(); };
std::vector<std::string> dirs;
std::vector<std::string> entries{ "../" }; // "../" is always the first entry.
dirent* de;
while ((de = readdir(d.get())) != nullptr) {
std::string name(de->d_name);
if (de->d_type == DT_DIR) {
// Skip "." and ".." entries.
if (name == "." || name == "..") continue;
dirs.push_back(name + "/");
} else if (de->d_type == DT_REG && android::base::EndsWithIgnoreCase(name, ".zip")) {
entries.push_back(name);
}
}
std::sort(dirs.begin(), dirs.end());
std::sort(entries.begin(), entries.end());
// Append dirs to the entries list.
entries.insert(entries.end(), dirs.begin(), dirs.end());
std::vector<std::string> headers{ "Choose a package to install:", path };
size_t chosen_item = 0;
while (true) {
chosen_item = ui->ShowMenu(
headers, entries, chosen_item, true,
std::bind(&Device::HandleMenuKey, device, std::placeholders::_1, std::placeholders::_2));
// Return if WaitKey() was interrupted.
if (chosen_item == static_cast<size_t>(RecoveryUI::KeyError::INTERRUPTED)) {
return "";
}
const std::string& item = entries[chosen_item];
if (chosen_item == 0) {
// Go up but continue browsing (if the caller is BrowseDirectory).
return "";
}
std::string new_path = path + "/" + item;
if (new_path.back() == '/') {
// Recurse down into a subdirectory.
new_path.pop_back();
std::string result = BrowseDirectory(new_path, device, ui);
if (!result.empty()) return result;
} else {
// Selected a zip file: return the path to the caller.
return new_path;
}
}
// Unreachable.
}
static bool StartSdcardFuse(const std::string& path) {
auto file_data_reader = std::make_unique<FuseFileDataProvider>(path, 65536);
if (!file_data_reader->Valid()) {
return false;
}
// The installation process expects to find the sdcard unmounted. Unmount it with MNT_DETACH so
// that our open file continues to work but new references see it as unmounted.
umount2("/sdcard", MNT_DETACH);
return run_fuse_sideload(vtab, file_data_reader.file_size(),
file_data_reader.fuse_block_size()) == 0;
return run_fuse_sideload(std::move(file_data_reader)) == 0;
}
int ApplyFromSdcard(Device* device, bool* wipe_cache, RecoveryUI* ui) {
if (ensure_path_mounted(SDCARD_ROOT) != 0) {
LOG(ERROR) << "\n-- Couldn't mount " << SDCARD_ROOT << ".\n";
return INSTALL_ERROR;
}
std::string path = BrowseDirectory(SDCARD_ROOT, device, ui);
if (path.empty()) {
LOG(ERROR) << "\n-- No package file selected.\n";
ensure_path_unmounted(SDCARD_ROOT);
return INSTALL_ERROR;
}
ui->Print("\n-- Install %s ...\n", path.c_str());
SetSdcardUpdateBootloaderMessage();
// We used to use fuse in a thread as opposed to a process. Since accessing
// through fuse involves going from kernel to userspace to kernel, it leads
// to deadlock when a page fault occurs. (Bug: 26313124)
pid_t child;
if ((child = fork()) == 0) {
bool status = StartSdcardFuse(path);
_exit(status ? EXIT_SUCCESS : EXIT_FAILURE);
}
// FUSE_SIDELOAD_HOST_PATHNAME will start to exist once the fuse in child
// process is ready.
int result = INSTALL_ERROR;
int status;
bool waited = false;
for (int i = 0; i < SDCARD_INSTALL_TIMEOUT; ++i) {
if (waitpid(child, &status, WNOHANG) == -1) {
result = INSTALL_ERROR;
waited = true;
break;
}
struct stat sb;
if (stat(FUSE_SIDELOAD_HOST_PATHNAME, &sb) == -1) {
if (errno == ENOENT && i < SDCARD_INSTALL_TIMEOUT - 1) {
sleep(1);
continue;
} else {
LOG(ERROR) << "Timed out waiting for the fuse-provided package.";
result = INSTALL_ERROR;
kill(child, SIGKILL);
break;
}
}
result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, false, 0 /*retry_count*/);
break;
}
if (!waited) {
// Calling stat() on this magic filename signals the fuse
// filesystem to shut down.
struct stat sb;
stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &sb);
waitpid(child, &status, 0);
}
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOG(ERROR) << "Error exit from the fuse process: " << WEXITSTATUS(status);
}
ensure_path_unmounted(SDCARD_ROOT);
return result;
}
fuse_sdcard_install.h
+4 -1
View File
@@ -16,4 +16,7 @@
#pragma once
bool start_sdcard_fuse(const char* path);
#include "device.h"
#include "ui.h"
int ApplyFromSdcard(Device* device, bool* wipe_cache, RecoveryUI* ui);
fuse_sideload/fuse_sideload.cpp
+9 -7
View File
@@ -76,7 +76,7 @@ using SHA256Digest = std::array<uint8_t, SHA256_DIGEST_LENGTH>;
struct fuse_data {
android::base::unique_fd ffd; // file descriptor for the fuse socket
provider_vtab vtab;
FuseDataProvider* provider; // Provider of the source data.
uint64_t file_size; // bytes
@@ -236,7 +236,7 @@ static int fetch_block(fuse_data* fd, uint32_t block) {
return 0;
}
size_t fetch_size = fd->block_size;
uint32_t fetch_size = fd->block_size;
if (block * fd->block_size + fetch_size > fd->file_size) {
// If we're reading the last (partial) block of the file, expect a shorter response from the
// host, and pad the rest of the block with zeroes.
@@ -244,7 +244,7 @@ static int fetch_block(fuse_data* fd, uint32_t block) {
memset(fd->block_data + fetch_size, 0, fd->block_size - fetch_size);
}
if (!fd->vtab.read_block(block, fd->block_data, fetch_size)) {
if (!fd->provider->ReadBlockAlignedData(fd->block_data, fetch_size, block)) {
return -EIO;
}
@@ -341,12 +341,14 @@ static int handle_read(void* data, fuse_data* fd, const fuse_in_header* hdr) {
return NO_STATUS;
}
int run_fuse_sideload(const provider_vtab& vtab, uint64_t file_size, uint32_t block_size,
const char* mount_point) {
int run_fuse_sideload(std::unique_ptr<FuseDataProvider>&& provider, const char* mount_point) {
// If something's already mounted on our mountpoint, try to remove it. (Mostly in case of a
// previous abnormal exit.)
umount2(mount_point, MNT_FORCE);
uint64_t file_size = provider->file_size();
uint32_t block_size = provider->fuse_block_size();
// fs/fuse/inode.c in kernel code uses the greater of 4096 and the passed-in max_read.
if (block_size < 4096) {
fprintf(stderr, "block size (%u) is too small\n", block_size);
@@ -358,7 +360,7 @@ int run_fuse_sideload(const provider_vtab& vtab, uint64_t file_size, uint32_t bl
}
fuse_data fd = {};
fd.vtab = vtab;
fd.provider = provider.get();
fd.file_size = file_size;
fd.block_size = block_size;
fd.file_blocks = (file_size == 0) ? 0 : (((file_size - 1) / block_size) + 1);
@@ -480,7 +482,7 @@ int run_fuse_sideload(const provider_vtab& vtab, uint64_t file_size, uint32_t bl
}
done:
fd.vtab.close();
provider->Close();
if (umount2(mount_point, MNT_DETACH) == -1) {
fprintf(stderr, "fuse_sideload umount failed: %s\n", strerror(errno));
fuse_sideload/include/fuse_provider.h
+1 -1
View File
@@ -37,7 +37,7 @@ class FuseDataProvider {
return fuse_block_size_;
}
explicit operator bool() const {
bool Valid() const {
return fd_ != -1;
}
fuse_sideload/include/fuse_sideload.h
+4 -10
View File
@@ -17,7 +17,9 @@
#ifndef __FUSE_SIDELOAD_H
#define __FUSE_SIDELOAD_H
#include <functional>
#include <memory>
#include "fuse_provider.h"
// Define the filenames created by the sideload FUSE filesystem.
static constexpr const char* FUSE_SIDELOAD_HOST_MOUNTPOINT = "/sideload";
@@ -26,15 +28,7 @@ static constexpr const char* FUSE_SIDELOAD_HOST_PATHNAME = "/sideload/package.zi
static constexpr const char* FUSE_SIDELOAD_HOST_EXIT_FLAG = "exit";
static constexpr const char* FUSE_SIDELOAD_HOST_EXIT_PATHNAME = "/sideload/exit";
struct provider_vtab {
// read a block
std::function<bool(uint32_t block, uint8_t* buffer, uint32_t fetch_size)> read_block;
// close down
std::function<void(void)> close;
};
int run_fuse_sideload(const provider_vtab& vtab, uint64_t file_size, uint32_t block_size,
int run_fuse_sideload(std::unique_ptr<FuseDataProvider>&& provider,
const char* mount_point = FUSE_SIDELOAD_HOST_MOUNTPOINT);
#endif
minadbd/fuse_adb_provider.cpp
-15
View File
@@ -18,14 +18,10 @@
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <functional>
#include "adb.h"
#include "adb_io.h"
#include "fuse_sideload.h"
bool FuseAdbDataProvider::ReadBlockAlignedData(uint8_t* buffer, uint32_t fetch_size,
uint32_t start_block) const {
@@ -45,14 +41,3 @@ bool FuseAdbDataProvider::ReadBlockAlignedData(uint8_t* buffer, uint32_t fetch_s
void FuseAdbDataProvider::Close() {
WriteFdExactly(fd_, "DONEDONE");
}
int run_adb_fuse(android::base::unique_fd&& sfd, uint64_t file_size, uint32_t block_size) {
FuseAdbDataProvider adb_data_reader(std::move(sfd), file_size, block_size);
provider_vtab vtab;
vtab.read_block = std::bind(&FuseAdbDataProvider::ReadBlockAlignedData, &adb_data_reader,
std::placeholders::_2, std::placeholders::_3, std::placeholders::_1);
vtab.close = [&adb_data_reader]() { adb_data_reader.Close(); };
return run_fuse_sideload(vtab, file_size, block_size);
}
minadbd/fuse_adb_provider.h
-2
View File
@@ -35,6 +35,4 @@ class FuseAdbDataProvider : public FuseDataProvider {
void Close() override;
};
int run_adb_fuse(android::base::unique_fd&& sfd, uint64_t file_size, uint32_t block_size);
#endif
minadbd/minadbd_services.cpp
+5 -1
View File
@@ -22,6 +22,7 @@
#include <unistd.h>
#include <functional>
#include <memory>
#include <string>
#include <string_view>
#include <thread>
@@ -30,6 +31,7 @@
#include "adb_unique_fd.h"
#include "fdevent.h"
#include "fuse_adb_provider.h"
#include "fuse_sideload.h"
#include "services.h"
#include "sysdeps.h"
@@ -44,7 +46,9 @@ static void sideload_host_service(unique_fd sfd, const std::string& args) {
printf("sideload-host file size %" PRId64 " block size %d\n", file_size, block_size);
int result = run_adb_fuse(std::move(sfd), file_size, block_size);
auto adb_data_reader =
std::make_unique<FuseAdbDataProvider>(std::move(sfd), file_size, block_size);
int result = run_fuse_sideload(std::move(adb_data_reader));
printf("sideload_host finished\n");
exit(result == 0 ? 0 : 1);
recovery.cpp
+22 -181
View File
@@ -17,7 +17,6 @@
#include "recovery.h"
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
@@ -31,7 +30,6 @@
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <algorithm>
@@ -57,7 +55,6 @@
#include "device.h"
#include "fsck_unshare_blocks.h"
#include "fuse_sdcard_install.h"
#include "fuse_sideload.h"
#include "install.h"
#include "logging.h"
#include "otautil/dirutil.h"
@@ -78,7 +75,6 @@ static constexpr const char* LOCALE_FILE = "/cache/recovery/last_locale";
static constexpr const char* CACHE_ROOT = "/cache";
static constexpr const char* DATA_ROOT = "/data";
static constexpr const char* METADATA_ROOT = "/metadata";
static constexpr const char* SDCARD_ROOT = "/sdcard";
// We define RECOVERY_API_VERSION in Android.mk, which will be picked up by build system and packed
// into target_files.zip. Assert the version defined in code and in Android.mk are consistent.
@@ -138,16 +134,6 @@ bool is_ro_debuggable() {
return android::base::GetBoolProperty("ro.debuggable", false);
}
// Set the BCB to reboot back into recovery (it won't resume the install from
// sdcard though).
static void set_sdcard_update_bootloader_message() {
std::vector<std::string> options;
std::string err;
if (!update_bootloader_message(options, &err)) {
LOG(ERROR) << "Failed to set BCB message: " << err;
}
}
// Clear the recovery command and prepare to boot a (hopefully working) system,
// copy our log file to cache as well (for the system to read). This function is
// idempotent: call it as many times as you like.
@@ -293,72 +279,6 @@ bool SetUsbConfig(const std::string& state) {
return android::base::WaitForProperty("sys.usb.state", state);
}
// Returns the selected filename, or an empty string.
static std::string browse_directory(const std::string& path, Device* device) {
ensure_path_mounted(path);
std::unique_ptr<DIR, decltype(&closedir)> d(opendir(path.c_str()), closedir);
if (!d) {
PLOG(ERROR) << "error opening " << path;
return "";
}
std::vector<std::string> dirs;
std::vector<std::string> entries{ "../" }; // "../" is always the first entry.
dirent* de;
while ((de = readdir(d.get())) != nullptr) {
std::string name(de->d_name);
if (de->d_type == DT_DIR) {
// Skip "." and ".." entries.
if (name == "." || name == "..") continue;
dirs.push_back(name + "/");
} else if (de->d_type == DT_REG && android::base::EndsWithIgnoreCase(name, ".zip")) {
entries.push_back(name);
}
}
std::sort(dirs.begin(), dirs.end());
std::sort(entries.begin(), entries.end());
// Append dirs to the entries list.
entries.insert(entries.end(), dirs.begin(), dirs.end());
std::vector<std::string> headers{ "Choose a package to install:", path };
size_t chosen_item = 0;
while (true) {
chosen_item = ui->ShowMenu(
headers, entries, chosen_item, true,
std::bind(&Device::HandleMenuKey, device, std::placeholders::_1, std::placeholders::_2));
// Return if WaitKey() was interrupted.
if (chosen_item == static_cast<size_t>(RecoveryUI::KeyError::INTERRUPTED)) {
return "";
}
const std::string& item = entries[chosen_item];
if (chosen_item == 0) {
// Go up but continue browsing (if the caller is browse_directory).
return "";
}
std::string new_path = path + "/" + item;
if (new_path.back() == '/') {
// Recurse down into a subdirectory.
new_path.pop_back();
std::string result = browse_directory(new_path, device);
if (!result.empty()) return result;
} else {
// Selected a zip file: return the path to the caller.
return new_path;
}
}
// Unreachable.
}
static bool yes_no(Device* device, const char* question1, const char* question2) {
std::vector<std::string> headers{ question1, question2 };
std::vector<std::string> items{ " No", " Yes" };
@@ -709,85 +629,6 @@ static void run_graphics_test() {
ui->ShowText(true);
}
// TODO(xunchang) move apply_from_sdcard() to fuse_sdcard_install.cpp
// How long (in seconds) we wait for the fuse-provided package file to
// appear, before timing out.
#define SDCARD_INSTALL_TIMEOUT 10
static int apply_from_sdcard(Device* device, bool* wipe_cache) {
modified_flash = true;
if (ensure_path_mounted(SDCARD_ROOT) != 0) {
ui->Print("\n-- Couldn't mount %s.\n", SDCARD_ROOT);
return INSTALL_ERROR;
}
std::string path = browse_directory(SDCARD_ROOT, device);
if (path.empty()) {
ui->Print("\n-- No package file selected.\n");
ensure_path_unmounted(SDCARD_ROOT);
return INSTALL_ERROR;
}
ui->Print("\n-- Install %s ...\n", path.c_str());
set_sdcard_update_bootloader_message();
// We used to use fuse in a thread as opposed to a process. Since accessing
// through fuse involves going from kernel to userspace to kernel, it leads
// to deadlock when a page fault occurs. (Bug: 26313124)
pid_t child;
if ((child = fork()) == 0) {
bool status = start_sdcard_fuse(path.c_str());
_exit(status ? EXIT_SUCCESS : EXIT_FAILURE);
}
// FUSE_SIDELOAD_HOST_PATHNAME will start to exist once the fuse in child
// process is ready.
int result = INSTALL_ERROR;
int status;
bool waited = false;
for (int i = 0; i < SDCARD_INSTALL_TIMEOUT; ++i) {
if (waitpid(child, &status, WNOHANG) == -1) {
result = INSTALL_ERROR;
waited = true;
break;
}
struct stat sb;
if (stat(FUSE_SIDELOAD_HOST_PATHNAME, &sb) == -1) {
if (errno == ENOENT && i < SDCARD_INSTALL_TIMEOUT-1) {
sleep(1);
continue;
} else {
LOG(ERROR) << "Timed out waiting for the fuse-provided package.";
result = INSTALL_ERROR;
kill(child, SIGKILL);
break;
}
}
result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, false, 0 /*retry_count*/);
break;
}
if (!waited) {
// Calling stat() on this magic filename signals the fuse
// filesystem to shut down.
struct stat sb;
stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &sb);
waitpid(child, &status, 0);
}
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
LOG(ERROR) << "Error exit from the fuse process: " << WEXITSTATUS(status);
}
ensure_path_unmounted(SDCARD_ROOT);
return result;
}
// Returns REBOOT, SHUTDOWN, or REBOOT_BOOTLOADER. Returning NO_ACTION means to take the default,
// which is to reboot or shutdown depending on if the --shutdown_after flag was passed to recovery.
static Device::BuiltinAction prompt_and_wait(Device* device, int status) {
@@ -849,32 +690,32 @@ static Device::BuiltinAction prompt_and_wait(Device* device, int status) {
break;
case Device::APPLY_ADB_SIDELOAD:
case Device::APPLY_SDCARD:
{
bool adb = (chosen_action == Device::APPLY_ADB_SIDELOAD);
if (adb) {
status = apply_from_adb(&should_wipe_cache);
} else {
status = apply_from_sdcard(device, &should_wipe_cache);
}
case Device::APPLY_SDCARD: {
modified_flash = true;
bool adb = (chosen_action == Device::APPLY_ADB_SIDELOAD);
if (adb) {
status = apply_from_adb(&should_wipe_cache);
} else {
status = ApplyFromSdcard(device, &should_wipe_cache, ui);
}
if (status == INSTALL_SUCCESS && should_wipe_cache) {
if (!wipe_cache(false, device)) {
status = INSTALL_ERROR;
}
}
if (status != INSTALL_SUCCESS) {
ui->SetBackground(RecoveryUI::ERROR);
ui->Print("Installation aborted.\n");
copy_logs(modified_flash, has_cache);
} else if (!ui->IsTextVisible()) {
return Device::NO_ACTION; // reboot if logs aren't visible
} else {
ui->Print("\nInstall from %s complete.\n", adb ? "ADB" : "SD card");
if (status == INSTALL_SUCCESS && should_wipe_cache) {
if (!wipe_cache(false, device)) {
status = INSTALL_ERROR;
}
}
if (status != INSTALL_SUCCESS) {
ui->SetBackground(RecoveryUI::ERROR);
ui->Print("Installation aborted.\n");
copy_logs(modified_flash, has_cache);
} else if (!ui->IsTextVisible()) {
return Device::NO_ACTION; // reboot if logs aren't visible
} else {
ui->Print("\nInstall from %s complete.\n", adb ? "ADB" : "SD card");
}
break;
}
case Device::VIEW_RECOVERY_LOGS:
choose_recovery_file(device);
tests/component/sideload_test.cpp
+17 -14
View File
@@ -16,13 +16,16 @@
#include <unistd.h>
#include <memory>
#include <string>
#include <vector>
#include <android-base/file.h>
#include <android-base/strings.h>
#include <android-base/unique_fd.h>
#include <gtest/gtest.h>
#include "fuse_provider.h"
#include "fuse_sideload.h"
TEST(SideloadTest, fuse_device) {
@@ -30,14 +33,17 @@ TEST(SideloadTest, fuse_device) {
}
TEST(SideloadTest, run_fuse_sideload_wrong_parameters) {
provider_vtab vtab;
vtab.close = [](void) {};
auto provider_small_block =
std::make_unique<FuseFileDataProvider>(android::base::unique_fd(), 4096, 4095);
ASSERT_EQ(-1, run_fuse_sideload(std::move(provider_small_block)));
ASSERT_EQ(-1, run_fuse_sideload(vtab, 4096, 4095));
ASSERT_EQ(-1, run_fuse_sideload(vtab, 4096, (1 << 22) + 1));
auto provider_large_block =
std::make_unique<FuseFileDataProvider>(android::base::unique_fd(), 4096, (1 << 22) + 1);
ASSERT_EQ(-1, run_fuse_sideload(std::move(provider_large_block)));
// Too many blocks.
ASSERT_EQ(-1, run_fuse_sideload(vtab, ((1 << 18) + 1) * 4096, 4096));
auto provider_too_many_blocks = std::make_unique<FuseFileDataProvider>(
android::base::unique_fd(), ((1 << 18) + 1) * 4096, 4096);
ASSERT_EQ(-1, run_fuse_sideload(std::move(provider_too_many_blocks)));
}
TEST(SideloadTest, run_fuse_sideload) {
@@ -50,18 +56,15 @@ TEST(SideloadTest, run_fuse_sideload) {
const std::string content = android::base::Join(blocks, "");
ASSERT_EQ(16384U, content.size());
provider_vtab vtab;
vtab.close = [](void) {};
vtab.read_block = [&blocks](uint32_t block, uint8_t* buffer, uint32_t fetch_size) {
if (block >= 4) return false;
blocks[block].copy(reinterpret_cast<char*>(buffer), fetch_size);
return true;
};
TemporaryFile temp_file;
ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file.path));
auto provider = std::make_unique<FuseFileDataProvider>(temp_file.path, 4096);
ASSERT_TRUE(provider->Valid());
TemporaryDir mount_point;
pid_t pid = fork();
if (pid == 0) {
ASSERT_EQ(0, run_fuse_sideload(vtab, 16384, 4096, mount_point.path));
ASSERT_EQ(0, run_fuse_sideload(std::move(provider), mount_point.path));
_exit(EXIT_SUCCESS);
}