uint64_t MtpStorage::getFreeSpace() {
struct statfs stat;
if (statfs(getPath(), &stat))
return -1;
uint64_t freeSpace = (uint64_t)stat.f_bavail * (uint64_t)stat.f_bsize;
//ALPS00120037,Added for USB Develpment debug, more log for more debuging help
sxlog_printf(ANDROID_LOG_DEBUG, "MtpStorage",
"MtpStorage::getFreeSpace: freeSpace = %lld, mReserveSpace = %lld \n", freeSpace, mReserveSpace);
//ALPS00120037,Added for USB Develpment debug, more log for more debuging help
return (freeSpace > mReserveSpace ? freeSpace - mReserveSpace : 0);
}
uint64_t MtpStorage::getMaxCapacity() {
if (mMaxCapacity == 0) {
struct statfs stat;
if (statfs(getPath(), &stat))
return -1;
mMaxCapacity = (uint64_t)stat.f_blocks * (uint64_t)stat.f_bsize;
}
//ALPS00120037,Added for USB Develpment debug, more log for more debuging help
sxlog_printf(ANDROID_LOG_DEBUG, "MtpStorage",
"MtpStorage::getMaxCapacity: mMaxCapacity = %lld \n", mMaxCapacity);
//ALPS00120037,Added for USB Develpment debug, more log for more debuging help
return mMaxCapacity;
}
MtpStorage::MtpStorage(MtpStorageID id, const char* filePath,
const char* description, uint64_t reserveSpace,
bool removable, uint64_t maxFileSize)
: mStorageID(id),
mFilePath(filePath),
mDescription(description),
mMaxCapacity(0),
mMaxFileSize(maxFileSize),
mReserveSpace(reserveSpace),
mRemovable(removable)
{
LOGV("MtpStorage id: 0x%08x path: %s\n", id, filePath);
//Added for USB Develpment debug, more log for more debuging help
sxlog_printf(ANDROID_LOG_DEBUG, "MtpStorage",
"MtpStorage id: 0x%08x path: %s\n", id, filePath);
//Added for USB Develpment debug, more log for more debuging help
}
int MtpEventPacket::write(int fd) {
struct mtp_event event;
putUInt32(MTP_CONTAINER_LENGTH_OFFSET, mPacketSize);
putUInt16(MTP_CONTAINER_TYPE_OFFSET, MTP_CONTAINER_TYPE_EVENT);
event.data = mBuffer;
event.length = mPacketSize;
int ret = ::ioctl(fd, MTP_SEND_EVENT, (unsigned long)&event);
//Added for USB Develpment debug, more log for more debuging help
sxlog_printf(ANDROID_LOG_VERBOSE, "MtpEventPacket",
"%s: mBuffer = %p, mPacketSize = 0x%d, &event = %p \n", __func__, mBuffer, mPacketSize, (&event));
//Added for USB Develpment debug, more log for more debuging help
return (ret < 0 ? ret : 0);
}
