MtpResponseCode MtpServer::doGetObject() {
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
MtpString pathBuf;
int64_t fileLength;
MtpObjectFormat format;
int result = mDatabase->getObjectFilePath(handle, pathBuf, fileLength, format);
if (result != MTP_RESPONSE_OK)
return result;
const char* filePath = (const char *)pathBuf;
mtp_file_range mfr;
mfr.fd = open(filePath, O_RDONLY);
if (mfr.fd < 0) {
return MTP_RESPONSE_GENERAL_ERROR;
}
mfr.offset = 0;
mfr.length = fileLength;
mfr.command = mRequest.getOperationCode();
mfr.transaction_id = mRequest.getTransactionID();
// then transfer the file
int ret = ioctl(mFD, MTP_SEND_FILE_WITH_HEADER, (unsigned long)&mfr);
LOGV("MTP_SEND_FILE_WITH_HEADER returned %d\n", ret);
close(mfr.fd);
if (ret < 0) {
if (errno == ECANCELED)
return MTP_RESPONSE_TRANSACTION_CANCELLED;
else
return MTP_RESPONSE_GENERAL_ERROR;
}
return MTP_RESPONSE_OK;
}
MtpResponseCode MtpServer::doSetObjectPropValue() {
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
MtpObjectProperty property = mRequest.getParameter(2);
LOGV("SetObjectPropValue %d %s\n", handle,
MtpDebug::getObjectPropCodeName(property));
return mDatabase->setObjectPropertyValue(handle, property, mData);
}
MtpResponseCode MtpServer::doGetPartialObject(MtpOperationCode operation) {
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
uint64_t offset;
uint32_t length;
offset = mRequest.getParameter(2);
if (operation == MTP_OPERATION_GET_PARTIAL_OBJECT_64) {
// android extension with 64 bit offset
uint64_t offset2 = mRequest.getParameter(3);
offset = offset | (offset2 << 32);
length = mRequest.getParameter(4);
} else {
// standard GetPartialObject
length = mRequest.getParameter(3);
}
MtpString pathBuf;
int64_t fileLength;
MtpObjectFormat format;
MTPD("MtpServer::doGetPartialObject calling getObjectFilePath\n");
mDatabase->lockMutex();
int result = mDatabase->getObjectFilePath(handle, pathBuf, fileLength, format);
mDatabase->unlockMutex();
if (result != MTP_RESPONSE_OK) {
return result;
}
if (offset + length > (uint64_t)fileLength)
length = fileLength - offset;
const char* filePath = (const char *)pathBuf;
mtp_file_range mfr;
mfr.fd = open(filePath, O_RDONLY);
if (mfr.fd < 0) {
return MTP_RESPONSE_GENERAL_ERROR;
}
mfr.offset = offset;
mfr.length = length;
mfr.command = mRequest.getOperationCode();
mfr.transaction_id = mRequest.getTransactionID();
mResponse.setParameter(1, length);
// transfer the file
int ret = ioctl(mFD, MTP_SEND_FILE_WITH_HEADER, (unsigned long)&mfr);
MTPD("MTP_SEND_FILE_WITH_HEADER returned %d\n", ret);
close(mfr.fd);
if (ret < 0) {
if (errno == ECANCELED)
return MTP_RESPONSE_TRANSACTION_CANCELLED;
else
return MTP_RESPONSE_GENERAL_ERROR;
}
return MTP_RESPONSE_OK;
}
MtpResponseCode MtpServer::doSetObjectReferences() {
if (!mSessionOpen)
return MTP_RESPONSE_SESSION_NOT_OPEN;
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpStorageID handle = mRequest.getParameter(1);
MtpObjectHandleList* references = mData.getAUInt32();
MtpResponseCode result = mDatabase->setObjectReferences(handle, references);
delete references;
return result;
}
MtpResponseCode MtpServer::doGetObjectPropValue() {
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
MtpObjectProperty property = mRequest.getParameter(2);
MTPD("GetObjectPropValue %d %s\n", handle,
MtpDebug::getObjectPropCodeName(property));
mDatabase->lockMutex();
MtpResponseCode res = mDatabase->getObjectPropertyValue(handle, property, mData);
mDatabase->unlockMutex();
return res;
}
MtpResponseCode MtpServer::doGetObjectPropList() {
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
// use uint32_t so we can support 0xFFFFFFFF
uint32_t format = mRequest.getParameter(2);
uint32_t property = mRequest.getParameter(3);
int groupCode = mRequest.getParameter(4);
int depth = mRequest.getParameter(5);
LOGV("GetObjectPropList %d format: %s property: %s group: %d depth: %d\n",
handle, MtpDebug::getFormatCodeName(format),
MtpDebug::getObjectPropCodeName(property), groupCode, depth);
return mDatabase->getObjectPropertyList(handle, format, property, groupCode, depth, mData);
}
MtpResponseCode MtpServer::doGetObjectHandles() {
if (!mSessionOpen)
return MTP_RESPONSE_SESSION_NOT_OPEN;
MtpStorageID storageID = mRequest.getParameter(1); // 0xFFFFFFFF for all storage
MtpObjectFormat format = mRequest.getParameter(2); // 0 for all formats
MtpObjectHandle parent = mRequest.getParameter(3); // 0xFFFFFFFF for objects with no parent
// 0x00000000 for all objects
if (!hasStorage(storageID))
return MTP_RESPONSE_INVALID_STORAGE_ID;
MtpObjectHandleList* handles = mDatabase->getObjectList(storageID, format, parent);
mData.putAUInt32(handles);
delete handles;
return MTP_RESPONSE_OK;
}
MtpResponseCode MtpServer::doGetObjectReferences() {
if (!mSessionOpen)
return MTP_RESPONSE_SESSION_NOT_OPEN;
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
// FIXME - check for invalid object handle
MtpObjectHandleList* handles = mDatabase->getObjectReferences(handle);
if (handles) {
mData.putAUInt32(handles);
delete handles;
} else {
mData.putEmptyArray();
}
return MTP_RESPONSE_OK;
}
MtpResponseCode MtpServer::doGetObjectInfo() {
MTPD("inside doGetObjectInfo()\n");
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
MtpObjectInfo info(handle);
MTPD("calling mtpdatabase getObjectInfo()\n");
mDatabase->lockMutex();
MtpResponseCode result = mDatabase->getObjectInfo(handle, info);
mDatabase->unlockMutex();
if (result == MTP_RESPONSE_OK) {
char date[20];
mData.putUInt32(info.mStorageID);
mData.putUInt16(info.mFormat);
mData.putUInt16(info.mProtectionStatus);
// if object is being edited the database size may be out of date
uint32_t size = info.mCompressedSize;
ObjectEdit* edit = getEditObject(handle);
if (edit)
size = (edit->mSize > 0xFFFFFFFFLL ? 0xFFFFFFFF : (uint32_t)edit->mSize);
mData.putUInt32(size);
mData.putUInt16(info.mThumbFormat);
mData.putUInt32(info.mThumbCompressedSize);
mData.putUInt32(info.mThumbPixWidth);
mData.putUInt32(info.mThumbPixHeight);
mData.putUInt32(info.mImagePixWidth);
mData.putUInt32(info.mImagePixHeight);
mData.putUInt32(info.mImagePixDepth);
mData.putUInt32(info.mParent);
mData.putUInt16(info.mAssociationType);
mData.putUInt32(info.mAssociationDesc);
mData.putUInt32(info.mSequenceNumber);
MTPD("info.mName: %s\n", info.mName);
mData.putString(info.mName);
mData.putEmptyString(); // date created
formatDateTime(info.mDateModified, date, sizeof(date));
mData.putString(date); // date modified
mData.putEmptyString(); // keywords
}
return result;
}
MtpResponseCode MtpServer::doGetNumObjects() {
if (!mSessionOpen)
return MTP_RESPONSE_SESSION_NOT_OPEN;
MtpStorageID storageID = mRequest.getParameter(1); // 0xFFFFFFFF for all storage
MtpObjectFormat format = mRequest.getParameter(2); // 0 for all formats
MtpObjectHandle parent = mRequest.getParameter(3); // 0xFFFFFFFF for objects with no parent
// 0x00000000 for all objects
if (!hasStorage(storageID))
return MTP_RESPONSE_INVALID_STORAGE_ID;
int count = mDatabase->getNumObjects(storageID, format, parent);
if (count >= 0) {
mResponse.setParameter(1, count);
return MTP_RESPONSE_OK;
} else {
mResponse.setParameter(1, 0);
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
}
}
MtpResponseCode MtpServer::doDeleteObject() {
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
MtpObjectFormat format = mRequest.getParameter(2);
// FIXME - support deleting all objects if handle is 0xFFFFFFFF
// FIXME - implement deleting objects by format
MtpString filePath;
int64_t fileLength;
int result = mDatabase->getObjectFilePath(handle, filePath, fileLength, format);
if (result == MTP_RESPONSE_OK) {
LOGV("deleting %s", (const char *)filePath);
result = mDatabase->deleteFile(handle);
// Don't delete the actual files unless the database deletion is allowed
if (result == MTP_RESPONSE_OK) {
deletePath((const char *)filePath);
}
}
return result;
}
bool hasDenseLeadingDimension(blas::matrix_expression<Mat> const& m){
if(!isTransposed(m))
return hasStorage(m)&& leadingDimension(m)==(int)m().size2();
else
return hasStorage(m)&& leadingDimension(m)==(int)m().size1();
}
MtpResponseCode MtpServer::doSendObject() {
if (!hasStorage())
return MTP_RESPONSE_GENERAL_ERROR;
MtpResponseCode result = MTP_RESPONSE_OK;
mode_t mask;
int ret, initialData;
if (mSendObjectHandle == kInvalidObjectHandle) {
LOGE("Expected SendObjectInfo before SendObject");
result = MTP_RESPONSE_NO_VALID_OBJECT_INFO;
goto done;
}
// read the header, and possibly some data
ret = mData.read(mFD);
if (ret < MTP_CONTAINER_HEADER_SIZE) {
result = MTP_RESPONSE_GENERAL_ERROR;
goto done;
}
initialData = ret - MTP_CONTAINER_HEADER_SIZE;
mtp_file_range mfr;
mfr.fd = open(mSendObjectFilePath, O_RDWR | O_CREAT | O_TRUNC);
if (mfr.fd < 0) {
result = MTP_RESPONSE_GENERAL_ERROR;
goto done;
}
fchown(mfr.fd, getuid(), mFileGroup);
// set permissions
mask = umask(0);
fchmod(mfr.fd, mFilePermission);
umask(mask);
if (initialData > 0)
ret = write(mfr.fd, mData.getData(), initialData);
if (mSendObjectFileSize - initialData > 0) {
mfr.offset = initialData;
if (mSendObjectFileSize == 0xFFFFFFFF) {
// tell driver to read until it receives a short packet
mfr.length = 0xFFFFFFFF;
} else {
mfr.length = mSendObjectFileSize - initialData;
}
LOGV("receiving %s\n", (const char *)mSendObjectFilePath);
// transfer the file
ret = ioctl(mFD, MTP_RECEIVE_FILE, (unsigned long)&mfr);
LOGV("MTP_RECEIVE_FILE returned %d\n", ret);
}
close(mfr.fd);
if (ret < 0) {
unlink(mSendObjectFilePath);
if (errno == ECANCELED)
result = MTP_RESPONSE_TRANSACTION_CANCELLED;
else
result = MTP_RESPONSE_GENERAL_ERROR;
}
done:
// reset so we don't attempt to send the data back
mData.reset();
mDatabase->endSendObject(mSendObjectFilePath, mSendObjectHandle, mSendObjectFormat,
result == MTP_RESPONSE_OK);
mSendObjectHandle = kInvalidObjectHandle;
mSendObjectFormat = 0;
return result;
}
MtpResponseCode MtpServer::doSendPartialObject() {
if (!hasStorage())
return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
MtpObjectHandle handle = mRequest.getParameter(1);
uint64_t offset = mRequest.getParameter(2);
uint64_t offset2 = mRequest.getParameter(3);
offset = offset | (offset2 << 32);
uint32_t length = mRequest.getParameter(4);
ObjectEdit* edit = getEditObject(handle);
if (!edit) {
LOGE("object not open for edit in doSendPartialObject");
return MTP_RESPONSE_GENERAL_ERROR;
}
// can't start writing past the end of the file
if (offset > edit->mSize) {
LOGD("writing past end of object, offset: %lld, edit->mSize: %lld", offset, edit->mSize);
return MTP_RESPONSE_GENERAL_ERROR;
}
const char* filePath = (const char *)edit->mPath;
LOGV("receiving partial %s %lld %lld\n", filePath, offset, length);
// read the header, and possibly some data
int ret = mData.read(mFD);
if (ret < MTP_CONTAINER_HEADER_SIZE)
return MTP_RESPONSE_GENERAL_ERROR;
int initialData = ret - MTP_CONTAINER_HEADER_SIZE;
if (initialData > 0) {
ret = write(edit->mFD, mData.getData(), initialData);
offset += initialData;
length -= initialData;
}
if (length > 0) {
mtp_file_range mfr;
mfr.fd = edit->mFD;
mfr.offset = offset;
mfr.length = length;
// transfer the file
ret = ioctl(mFD, MTP_RECEIVE_FILE, (unsigned long)&mfr);
LOGV("MTP_RECEIVE_FILE returned %d", ret);
}
if (ret < 0) {
mResponse.setParameter(1, 0);
if (errno == ECANCELED)
return MTP_RESPONSE_TRANSACTION_CANCELLED;
else
return MTP_RESPONSE_GENERAL_ERROR;
}
// reset so we don't attempt to send this back
mData.reset();
mResponse.setParameter(1, length);
uint64_t end = offset + length;
if (end > edit->mSize) {
edit->mSize = end;
}
return MTP_RESPONSE_OK;
}
bool Plot::hasManipulatorFile() const
{
return hasStorage() && manipulatorFilePath(storageUuid()).exists();
}
bool Plot::hasValidStorage() const
{
return hasStorage() && snapshotFilePath().exists();
}
