diff options
Diffstat (limited to 'mtp/node.cpp')
-rwxr-xr-x | mtp/node.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/mtp/node.cpp b/mtp/node.cpp new file mode 100755 index 000000000..1bca1d96f --- /dev/null +++ b/mtp/node.cpp @@ -0,0 +1,148 @@ +/* + * Copyright (C) 2014 TeamWin - bigbiff and Dees_Troy mtp database conversion to C++ + * + * 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 <iostream> +#include <vector> +#include <sstream> +#include <sys/stat.h> +#include <sys/statfs.h> +#include <sys/types.h> +#include <unistd.h> +#include <dirent.h> +#include <limits.h> +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <libgen.h> + +#include "btree.hpp" +#include "mtp.h" +#include "MtpDebug.h" + + +Node::Node() + : handle(-1), parent(0), name("") +{ +} + +Node::Node(MtpObjectHandle handle, MtpObjectHandle parent, const std::string& name) + : handle(handle), parent(parent), name(name) +{ +} + +void Node::rename(const std::string& newName) { + name = newName; + updateProperty(MTP_PROPERTY_OBJECT_FILE_NAME, 0, name.c_str(), MTP_TYPE_STR); + updateProperty(MTP_PROPERTY_NAME, 0, name.c_str(), MTP_TYPE_STR); + updateProperty(MTP_PROPERTY_DISPLAY_NAME, 0, name.c_str(), MTP_TYPE_STR); +} + +MtpObjectHandle Node::Mtpid() const { return handle; } +MtpObjectHandle Node::getMtpParentId() const { return parent; } +const std::string& Node::getName() const { return name; } + +uint64_t Node::getIntProperty(MtpPropertyCode property) { + for (unsigned index = 0; index < mtpProp.size(); ++index) { + if (mtpProp[index].property == property) + return mtpProp[index].valueInt; + } + MTPE("Node::getIntProperty failed to find property %x, returning -1\n", (unsigned)property); + return -1; +} + +const Node::mtpProperty& Node::getProperty(MtpPropertyCode property) { + static const mtpProperty dummyProp; + for (size_t i = 0; i < mtpProp.size(); ++i) { + if (mtpProp[i].property == property) + return mtpProp[i]; + } + MTPE("Node::getProperty failed to find property %x, returning dummy property\n", (unsigned)property); + return dummyProp; +} + +void Node::addProperty(MtpPropertyCode property, uint64_t valueInt, std::string valueStr, MtpDataType dataType) { +// MTPD("adding property: %lld, valueInt: %lld, valueStr: %s, dataType: %d\n", property, valueInt, valueStr.c_str(), dataType); + struct mtpProperty prop; + prop.property = property; + prop.valueInt = valueInt; + prop.valueStr = valueStr; + prop.dataType = dataType; + mtpProp.push_back(prop); +} + +void Node::updateProperty(MtpPropertyCode property, uint64_t valueInt, std::string valueStr, MtpDataType dataType) { + for (unsigned i = 0; i < mtpProp.size(); i++) { + if (mtpProp[i].property == property) { + mtpProp[i].valueInt = valueInt; + mtpProp[i].valueStr = valueStr; + mtpProp[i].dataType = dataType; + return; + } + } + addProperty(property, valueInt, valueStr, dataType); +} + +std::vector<Node::mtpProperty>& Node::getMtpProps() { + return mtpProp; +} + +void Node::addProperties(const std::string& path, int storageID) { + MTPD("addProperties: handle: %u, filename: '%s'\n", handle, getName().c_str()); + struct stat st; + int mFormat = 0; + uint64_t puid; + off_t file_size = 0; + + std::string mtpidStr = static_cast<std::ostringstream*>( &(std::ostringstream() << handle) )->str(); + std::string storageIDStr = static_cast<std::ostringstream*>( &(std::ostringstream() << storageID) )->str(); + std::string puidStr = storageIDStr + mtpidStr; + if ( ! (std::istringstream(puidStr) >> puid) ) puid = 0; + mFormat = MTP_FORMAT_UNDEFINED; // file + if (lstat(path.c_str(), &st) == 0) { + file_size = st.st_size; + if (S_ISDIR(st.st_mode)) + mFormat = MTP_FORMAT_ASSOCIATION; // folder + } + + // TODO: don't store properties with constant values at all, add them at query time instead + addProperty(MTP_PROPERTY_STORAGE_ID, storageID, "", MTP_TYPE_UINT32); + addProperty(MTP_PROPERTY_OBJECT_FORMAT, mFormat, "", MTP_TYPE_UINT16); + addProperty(MTP_PROPERTY_PROTECTION_STATUS, 0, "", MTP_TYPE_UINT16); + addProperty(MTP_PROPERTY_OBJECT_SIZE, file_size, "", MTP_TYPE_UINT64); + addProperty(MTP_PROPERTY_OBJECT_FILE_NAME, 0, getName().c_str(), MTP_TYPE_STR); + addProperty(MTP_PROPERTY_DATE_MODIFIED, st.st_mtime, "", MTP_TYPE_UINT64); + addProperty(MTP_PROPERTY_PARENT_OBJECT, parent, "", MTP_TYPE_UINT32); + addProperty(MTP_PROPERTY_PERSISTENT_UID, puid, "", MTP_TYPE_UINT128); + // TODO: we can't really support persistent UIDs without a persistent DB. + // probably a combination of volume UUID + st_ino would come close. + // doesn't help for fs with no native inodes numbers like fat though... + addProperty(MTP_PROPERTY_NAME, 0, getName().c_str(), MTP_TYPE_STR); + addProperty(MTP_PROPERTY_DISPLAY_NAME, 0, getName().c_str(), MTP_TYPE_STR); + addProperty(MTP_PROPERTY_DATE_ADDED, st.st_mtime, "", MTP_TYPE_UINT64); + addProperty(MTP_PROPERTY_DESCRIPTION, 0, "", MTP_TYPE_STR); + addProperty(MTP_PROPERTY_ARTIST, 0, "", MTP_TYPE_STR); + addProperty(MTP_PROPERTY_ALBUM_NAME, 0, "", MTP_TYPE_STR); + addProperty(MTP_PROPERTY_ALBUM_ARTIST, 0, "", MTP_TYPE_STR); + addProperty(MTP_PROPERTY_TRACK, 0, "", MTP_TYPE_UINT16); + addProperty(MTP_PROPERTY_ORIGINAL_RELEASE_DATE, 2014, "", MTP_TYPE_UINT64); // TODO: extract year from st.st_mtime? + addProperty(MTP_PROPERTY_DURATION, 0, "", MTP_TYPE_UINT32); + addProperty(MTP_PROPERTY_GENRE, 0, "", MTP_TYPE_STR); + addProperty(MTP_PROPERTY_COMPOSER, 0, "", MTP_TYPE_STR); + addProperty(MTP_PROPERTY_ARTIST, 0, "", MTP_TYPE_STR); + addProperty(MTP_PROPERTY_ALBUM_NAME, 0, "", MTP_TYPE_STR); + addProperty(MTP_PROPERTY_DURATION, 0, "", MTP_TYPE_UINT32); + addProperty(MTP_PROPERTY_DESCRIPTION, 0, "", MTP_TYPE_STR); +} |