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authorElliott Hughes <enh@google.com>2016-03-23 05:08:39 +0100
committerElliott Hughes <enh@google.com>2016-03-23 05:08:39 +0100
commit57eb4fd6e20f53ec80eab66dcd5a0c1cefaa9262 (patch)
tree5a93fba92960ebb5db20abe7d3d5112cf4b1f7a1 /tools/ota/check-lost+found.c
parentMerge "Fix: full ota package larger than 2GB fails to upgrade" (diff)
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Diffstat (limited to 'tools/ota/check-lost+found.c')
-rw-r--r--tools/ota/check-lost+found.c145
1 files changed, 0 insertions, 145 deletions
diff --git a/tools/ota/check-lost+found.c b/tools/ota/check-lost+found.c
deleted file mode 100644
index 8ce12d39f..000000000
--- a/tools/ota/check-lost+found.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright (C) 2008 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 <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/klog.h>
-#include <sys/reboot.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <time.h>
-#include <unistd.h>
-
-#include "private/android_filesystem_config.h"
-
-// Sentinel file used to track whether we've forced a reboot
-static const char *kMarkerFile = "/data/misc/check-lost+found-rebooted-2";
-
-// Output file in tombstones directory (first 8K will be uploaded)
-static const char *kOutputDir = "/data/tombstones";
-static const char *kOutputFile = "/data/tombstones/check-lost+found-log";
-
-// Partitions to check
-static const char *kPartitions[] = { "/system", "/data", "/cache", NULL };
-
-/*
- * 1. If /data/misc/forced-reboot is missing, touch it & force "unclean" boot.
- * 2. Write a log entry with the number of files in lost+found directories.
- */
-
-int main(int argc __attribute__((unused)), char **argv __attribute__((unused))) {
- mkdir(kOutputDir, 0755);
- chown(kOutputDir, AID_SYSTEM, AID_SYSTEM);
- FILE *out = fopen(kOutputFile, "a");
- if (out == NULL) {
- fprintf(stderr, "Can't write %s: %s\n", kOutputFile, strerror(errno));
- return 1;
- }
-
- // Note: only the first 8K of log will be uploaded, so be terse.
- time_t start = time(NULL);
- fprintf(out, "*** check-lost+found ***\nStarted: %s", ctime(&start));
-
- struct stat st;
- if (stat(kMarkerFile, &st)) {
- // No reboot marker -- need to force an unclean reboot.
- // But first, try to create the marker file. If that fails,
- // skip the reboot, so we don't get caught in an infinite loop.
-
- int fd = open(kMarkerFile, O_WRONLY|O_CREAT, 0444);
- if (fd >= 0 && close(fd) == 0) {
- fprintf(out, "Wrote %s, rebooting\n", kMarkerFile);
- fflush(out);
- sync(); // Make sure the marker file is committed to disk
-
- // If possible, dirty each of these partitions before rebooting,
- // to make sure the filesystem has to do a scan on mount.
- int i;
- for (i = 0; kPartitions[i] != NULL; ++i) {
- char fn[PATH_MAX];
- snprintf(fn, sizeof(fn), "%s/%s", kPartitions[i], "dirty");
- fd = open(fn, O_WRONLY|O_CREAT, 0444);
- if (fd >= 0) { // Don't sweat it if we can't write the file.
- TEMP_FAILURE_RETRY(write(fd, fn, sizeof(fn))); // write, you know, some data
- close(fd);
- unlink(fn);
- }
- }
-
- reboot(RB_AUTOBOOT); // reboot immediately, with dirty filesystems
- fprintf(out, "Reboot failed?!\n");
- exit(1);
- } else {
- fprintf(out, "Can't write %s: %s\n", kMarkerFile, strerror(errno));
- }
- } else {
- fprintf(out, "Found %s\n", kMarkerFile);
- }
-
- int i;
- for (i = 0; kPartitions[i] != NULL; ++i) {
- char fn[PATH_MAX];
- snprintf(fn, sizeof(fn), "%s/%s", kPartitions[i], "lost+found");
- DIR *dir = opendir(fn);
- if (dir == NULL) {
- fprintf(out, "Can't open %s: %s\n", fn, strerror(errno));
- } else {
- int count = 0;
- struct dirent *ent;
- while ((ent = readdir(dir))) {
- if (strcmp(ent->d_name, ".") && strcmp(ent->d_name, ".."))
- ++count;
- }
- closedir(dir);
- if (count > 0) {
- fprintf(out, "OMGZ FOUND %d FILES IN %s\n", count, fn);
- } else {
- fprintf(out, "%s is clean\n", fn);
- }
- }
- }
-
- char dmesg[131073];
- int len = klogctl(KLOG_READ_ALL, dmesg, sizeof(dmesg) - 1);
- if (len < 0) {
- fprintf(out, "Can't read kernel log: %s\n", strerror(errno));
- } else { // To conserve space, only write lines with certain keywords
- fprintf(out, "--- Kernel log ---\n");
- dmesg[len] = '\0';
- char *saveptr, *line;
- int in_yaffs = 0;
- for (line = strtok_r(dmesg, "\n", &saveptr); line != NULL;
- line = strtok_r(NULL, "\n", &saveptr)) {
- if (strstr(line, "yaffs: dev is")) in_yaffs = 1;
-
- if (in_yaffs ||
- strstr(line, "yaffs") ||
- strstr(line, "mtd") ||
- strstr(line, "msm_nand")) {
- fprintf(out, "%s\n", line);
- }
-
- if (strstr(line, "yaffs_read_super: isCheckpointed")) in_yaffs = 0;
- }
- }
-
- return 0;
-}