int MtpStorage::getObjectPropertyList(MtpObjectHandle handle, uint32_t format, uint32_t property, int groupCode, int depth, MtpDataPacket& packet) {
MTPD("MtpStorage::getObjectPropertyList handle: %u, format: %x, property: %x\n", handle, format, property);
if (groupCode != 0)
{
MTPE("getObjectPropertyList: groupCode unsupported\n");
return -1; // TODO: RESPONSE_SPECIFICATION_BY_GROUP_UNSUPPORTED
}
// TODO: support all the special stuff, like:
// handle == 0 -> all objects at the root level
// handle == 0xffffffff -> all objects (on all storages? how could we support that?)
// format == 0 -> all formats, otherwise filter by ObjectFormatCode
// property == 0xffffffff -> all properties except those with group code 0xffffffff
// if property == 0 then use groupCode
// groupCode == 0 -> return Specification_By_Group_Unsupported
// depth == 0xffffffff -> all objects incl. and below handle
std::vector<PropEntry> results;
if (handle == 0xffffffff) {
// TODO: all object on all storages (needs a different design, result packet needs to be built by server instead of storage)
} else if (handle == 0) {
// all objects at the root level
Tree* root = mtpmap[0];
MtpObjectHandleList list;
root->getmtpids(&list);
for (MtpObjectHandleList::iterator it = list.begin(); it != list.end(); ++it) {
Node* node = root->findNode(*it);
if (!node) {
MTPE("BUG: node not found for root entry with handle %u\n", *it);
break;
}
queryNodeProperties(results, node, property, groupCode, mStorageID);
}
} else {
// single object
Node* node = findNode(handle);
if (!node) {
// Item is not on this storage device
return -1;
}
queryNodeProperties(results, node, property, groupCode, mStorageID);
}
MTPD("count: %u\n", results.size());
packet.putUInt32(results.size());
for (size_t i = 0; i < results.size(); ++i) {
PropEntry& p = results[i];
MTPD("handle: %u, propertyCode: %x = %s, datatype: %x, value: %llu\n",
p.handle, p.property, MtpDebug::getObjectPropCodeName(p.property),
p.datatype, p.intvalue);
packet.putUInt32(p.handle);
packet.putUInt16(p.property);
packet.putUInt16(p.datatype);
switch (p.datatype) {
case MTP_TYPE_INT8:
MTPD("MTP_TYPE_INT8\n");
packet.putInt8(p.intvalue);
break;
case MTP_TYPE_UINT8:
MTPD("MTP_TYPE_UINT8\n");
packet.putUInt8(p.intvalue);
break;
case MTP_TYPE_INT16:
MTPD("MTP_TYPE_INT16\n");
packet.putInt16(p.intvalue);
break;
case MTP_TYPE_UINT16:
MTPD("MTP_TYPE_UINT16\n");
packet.putUInt16(p.intvalue);
break;
case MTP_TYPE_INT32:
MTPD("MTP_TYPE_INT32\n");
packet.putInt32(p.intvalue);
break;
case MTP_TYPE_UINT32:
MTPD("MTP_TYPE_UINT32\n");
packet.putUInt32(p.intvalue);
break;
case MTP_TYPE_INT64:
MTPD("MTP_TYPE_INT64\n");
packet.putInt64(p.intvalue);
break;
case MTP_TYPE_UINT64:
MTPD("MTP_TYPE_UINT64\n");
packet.putUInt64(p.intvalue);
break;
case MTP_TYPE_INT128:
MTPD("MTP_TYPE_INT128\n");
packet.putInt128(p.intvalue);
break;
case MTP_TYPE_UINT128:
MTPD("MTP_TYPE_UINT128\n");
packet.putUInt128(p.intvalue);
break;
case MTP_TYPE_STR:
MTPD("MTP_TYPE_STR: %s\n", p.strvalue.c_str());
packet.putString(p.strvalue.c_str());
break;
default:
MTPE("bad or unsupported data type: %x in MyMtpDatabase::getObjectPropertyList", p.datatype);
break;
}
}
return 0;
}
