summaryrefslogtreecommitdiffstats
path: root/mtp/node.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'mtp/node.cpp')
-rw-r--r--mtp/node.cpp143
1 files changed, 143 insertions, 0 deletions
diff --git a/mtp/node.cpp b/mtp/node.cpp
new file mode 100644
index 000000000..207a37a08
--- /dev/null
+++ b/mtp/node.cpp
@@ -0,0 +1,143 @@
+/*
+ * 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 <vector>
+#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 = ((uint64_t)storageID << 32) + handle;
+ off_t file_size = 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...
+ // however, Microsoft's own impl (Zune, etc.) does not support persistent UIDs either
+ 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);
+}