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-rw-r--r--otafault/ota_io.cpp212
1 files changed, 0 insertions, 212 deletions
diff --git a/otafault/ota_io.cpp b/otafault/ota_io.cpp
deleted file mode 100644
index 63ef18e26..000000000
--- a/otafault/ota_io.cpp
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * 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
- *
- * 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 "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.
- */
-
-#include "otafault/ota_io.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <map>
-#include <mutex>
-#include <string>
-
-#include <android-base/thread_annotations.h>
-
-#include "otafault/config.h"
-
-static std::mutex filename_mutex;
-static std::map<intptr_t, const char*> filename_cache GUARDED_BY(filename_mutex);
-static std::string read_fault_file_name = "";
-static std::string write_fault_file_name = "";
-static std::string fsync_fault_file_name = "";
-
-static bool get_hit_file(const char* cached_path, const std::string& ffn) {
- return should_hit_cache()
- ? !strncmp(cached_path, OTAIO_CACHE_FNAME, strlen(cached_path))
- : !strncmp(cached_path, ffn.c_str(), strlen(cached_path));
-}
-
-void ota_set_fault_files() {
- if (should_fault_inject(OTAIO_READ)) {
- read_fault_file_name = fault_fname(OTAIO_READ);
- }
- if (should_fault_inject(OTAIO_WRITE)) {
- write_fault_file_name = fault_fname(OTAIO_WRITE);
- }
- if (should_fault_inject(OTAIO_FSYNC)) {
- fsync_fault_file_name = fault_fname(OTAIO_FSYNC);
- }
-}
-
-bool have_eio_error = false;
-
-int ota_open(const char* path, int oflags) {
- // Let the caller handle errors; we do not care if open succeeds or fails
- int fd = open(path, oflags);
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache[fd] = path;
- return fd;
-}
-
-int ota_open(const char* path, int oflags, mode_t mode) {
- int fd = open(path, oflags, mode);
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache[fd] = path;
- return fd;
-}
-
-FILE* ota_fopen(const char* path, const char* mode) {
- FILE* fh = fopen(path, mode);
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache[(intptr_t)fh] = path;
- return fh;
-}
-
-static int __ota_close(int fd) {
- // descriptors can be reused, so make sure not to leave them in the cache
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache.erase(fd);
- return close(fd);
-}
-
-void OtaCloser::Close(int fd) {
- __ota_close(fd);
-}
-
-int ota_close(unique_fd& fd) {
- return __ota_close(fd.release());
-}
-
-static int __ota_fclose(FILE* fh) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- filename_cache.erase(reinterpret_cast<intptr_t>(fh));
- return fclose(fh);
-}
-
-void OtaFcloser::operator()(FILE* f) const {
- __ota_fclose(f);
-};
-
-int ota_fclose(unique_file& fh) {
- return __ota_fclose(fh.release());
-}
-
-size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream) {
- if (should_fault_inject(OTAIO_READ)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- auto cached = filename_cache.find((intptr_t)stream);
- const char* cached_path = cached->second;
- if (cached != filename_cache.end() &&
- get_hit_file(cached_path, read_fault_file_name)) {
- read_fault_file_name = "";
- errno = EIO;
- have_eio_error = true;
- return 0;
- }
- }
- size_t status = fread(ptr, size, nitems, stream);
- // If I/O error occurs, set the retry-update flag.
- if (status != nitems && errno == EIO) {
- have_eio_error = true;
- }
- return status;
-}
-
-ssize_t ota_read(int fd, void* buf, size_t nbyte) {
- if (should_fault_inject(OTAIO_READ)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- auto cached = filename_cache.find(fd);
- const char* cached_path = cached->second;
- if (cached != filename_cache.end()
- && get_hit_file(cached_path, read_fault_file_name)) {
- read_fault_file_name = "";
- errno = EIO;
- have_eio_error = true;
- return -1;
- }
- }
- ssize_t status = read(fd, buf, nbyte);
- if (status == -1 && errno == EIO) {
- have_eio_error = true;
- }
- return status;
-}
-
-size_t ota_fwrite(const void* ptr, size_t size, size_t count, FILE* stream) {
- if (should_fault_inject(OTAIO_WRITE)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- auto cached = filename_cache.find((intptr_t)stream);
- const char* cached_path = cached->second;
- if (cached != filename_cache.end() &&
- get_hit_file(cached_path, write_fault_file_name)) {
- write_fault_file_name = "";
- errno = EIO;
- have_eio_error = true;
- return 0;
- }
- }
- size_t status = fwrite(ptr, size, count, stream);
- if (status != count && errno == EIO) {
- have_eio_error = true;
- }
- return status;
-}
-
-ssize_t ota_write(int fd, const void* buf, size_t nbyte) {
- if (should_fault_inject(OTAIO_WRITE)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- auto cached = filename_cache.find(fd);
- const char* cached_path = cached->second;
- if (cached != filename_cache.end() &&
- get_hit_file(cached_path, write_fault_file_name)) {
- write_fault_file_name = "";
- errno = EIO;
- have_eio_error = true;
- return -1;
- }
- }
- ssize_t status = write(fd, buf, nbyte);
- if (status == -1 && errno == EIO) {
- have_eio_error = true;
- }
- return status;
-}
-
-int ota_fsync(int fd) {
- if (should_fault_inject(OTAIO_FSYNC)) {
- std::lock_guard<std::mutex> lock(filename_mutex);
- auto cached = filename_cache.find(fd);
- const char* cached_path = cached->second;
- if (cached != filename_cache.end() &&
- get_hit_file(cached_path, fsync_fault_file_name)) {
- fsync_fault_file_name = "";
- errno = EIO;
- have_eio_error = true;
- return -1;
- }
- }
- int status = fsync(fd);
- if (status == -1 && errno == EIO) {
- have_eio_error = true;
- }
- return status;
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 14:08:11 +0100