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Diffstat (limited to 'media/sdutils/sdutil.cpp')
-rw-r--r-- | media/sdutils/sdutil.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/media/sdutils/sdutil.cpp b/media/sdutils/sdutil.cpp new file mode 100644 index 000000000000..ac14c151e9f5 --- /dev/null +++ b/media/sdutils/sdutil.cpp @@ -0,0 +1,152 @@ +/* + * 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/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 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, "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 ums enable - enables USB mass storage\n" + " sdutil ums disable - disnables USB mass storage\n" + ); + return -1; +} |