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/*
* Copyright (C) 2007 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 <hardware_legacy/IMountService.h>
#include <utils/BpBinder.h>
#include <utils/IServiceManager.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
namespace android {
static sp<IMountService> gMountService;
static void init() {
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(String16("mount"));
gMountService = interface_cast<IMountService>(binder);
if (gMountService == 0) {
fprintf(stderr, "could not get MountService\n");
exit(1);
}
}
static bool isMounted(const char* mountPoint) {
char s[2000];
FILE *f = fopen("/proc/mounts", "r");
bool mounted = false;
while (fgets(s, sizeof(s), f))
{
char *c, *path = NULL;
for (c = s; *c; c++)
{
if (*c == ' ')
{
*c = 0;
path = c + 1;
break;
}
}
for (c = path; *c; c++)
{
if (*c == ' ')
{
*c = '\0';
break;
}
}
if (strcmp(mountPoint, path) == 0) {
mounted = true;
break;
}
}
fclose(f);
return mounted;
}
static void millisecondSleep(int milliseconds) {
struct timespec reqt, remt;
reqt.tv_sec = milliseconds / 1000;
reqt.tv_nsec = 1000000 * (milliseconds % 1000);
nanosleep(&reqt, &remt) ;
}
static int mount(const char* path) {
String16 string(path);
gMountService->mountMedia(string);
for (int i = 0; i < 10; i++) {
if (isMounted(path)) {
return 0;
}
millisecondSleep(500);
}
fprintf(stderr, "failed to mount %s\n", path);
return -1;
}
static int unmount(const char* path) {
String16 string(path);
gMountService->unmountMedia(string);
for (int i = 0; i < 10; i++) {
if (!isMounted(path)) {
return 0;
}
millisecondSleep(500);
}
fprintf(stderr, "failed to unmount %s\n", path);
return -1;
}
static int format(const char* path) {
String16 string(path);
if (isMounted(path))
return -EBUSY;
gMountService->formatMedia(string);
return 0;
}
static int umsEnable(bool enable) {
gMountService->setMassStorageEnabled(enable);
return 0;
}
};
int main(int argc, char **argv)
{
const char* command = (argc > 1 ? argv[1] : "");
const char* argument = (argc > 2 ? argv[2] : "");
if (strcmp(command, "mount") == 0) {
android::init();
return android::mount(argument);
} else if (strcmp(command, "format") == 0) {
android::init();
return android::format(argument);
} else if (strcmp(command, "unmount") == 0) {
android::init();
return android::unmount(argument);
} else if (strcmp(command, "ums") == 0) {
if (strcmp(argument, "enable") == 0) {
android::init();
return android::umsEnable(true);
} else if (strcmp(argument, "disable") == 0) {
android::init();
return android::umsEnable(false);
}
}
fprintf(stderr, "usage:\n"
" sdutil mount <mount path> - mounts the SD card at the given mount point\n"
" sdutil unmount <mount path> - unmounts the SD card at the given mount point\n"
" sdutil format <mount path> - formats the SD card at the given mount point\n"
" sdutil ums enable - enables USB mass storage\n"
" sdutil ums disable - disnables USB mass storage\n"
);
return -1;
}
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