/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnBrowseMetadata
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnBrowseMetadata(PLT_ActionReference& action,
const char* object_id,
const NPT_HttpRequestContext& context)
{
NPT_String didl;
PLT_MediaObjectReference item;
/* locate the file from the object ID */
NPT_String filepath;
if (NPT_FAILED(GetFilePath(object_id, filepath))) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - ObjectID not found.");
action->SetError(701, "No Such Object.");
return NPT_FAILURE;
}
item = BuildFromFilePath(
filepath,
true,
&context.GetLocalAddress());
if (item.IsNull()) return NPT_FAILURE;
NPT_String filter;
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
NPT_String tmp;
NPT_CHECK_SEVERE(PLT_Didl::ToDidl(*item.AsPointer(), filter, tmp));
/* add didl header and footer */
didl = didl_header + tmp + didl_footer;
NPT_CHECK_SEVERE(action->SetArgumentValue("Result", didl));
NPT_CHECK_SEVERE(action->SetArgumentValue("NumberReturned", "1"));
NPT_CHECK_SEVERE(action->SetArgumentValue("TotalMatches", "1"));
// update ID may be wrong here, it should be the one of the container?
// TODO: We need to keep track of the overall updateID of the CDS
NPT_CHECK_SEVERE(action->SetArgumentValue("UpdateId", "1"));
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnBrowseDirectChildren
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnBrowseDirectChildren(PLT_ActionReference& action,
const char* object_id,
const NPT_HttpRequestContext& context)
{
/* locate the file from the object ID */
NPT_String dir;
if (NPT_FAILED(GetFilePath(object_id, dir))) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - ObjectID not found.");
action->SetError(701, "No Such Object.");
return NPT_FAILURE;
}
/* retrieve the item type */
NPT_FileInfo info;
NPT_Result res = NPT_File::GetInfo(dir, &info);
if (NPT_FAILED(res)) {
/* Object does not exist */
NPT_LOG_WARNING_1("PLT_FileMediaServer::OnBrowse - BROWSEDIRECTCHILDREN failed for item %s", dir.GetChars());
action->SetError(800, "Can't retrieve info " + dir);
return NPT_FAILURE;
}
if (info.m_Type != NPT_FileInfo::FILE_TYPE_DIRECTORY) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - BROWSEDIRECTCHILDREN not allowed on an item.");
action->SetError(710, "item is not a container.");
return NPT_FAILURE;
}
NPT_String filter;
NPT_String startingInd;
NPT_String reqCount;
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
NPT_CHECK_SEVERE(action->GetArgumentValue("StartingIndex", startingInd));
NPT_CHECK_SEVERE(action->GetArgumentValue("RequestedCount", reqCount));
NPT_UInt32 start_index, req_count;
if (NPT_FAILED(startingInd.ToInteger(start_index)) ||
NPT_FAILED(reqCount.ToInteger(req_count))) {
action->SetError(412, "Precondition failed");
return NPT_FAILURE;
}
NPT_List<NPT_String> entries;
res = NPT_File::ListDirectory(dir, entries, 0, 0);
if (NPT_FAILED(res)) {
NPT_LOG_WARNING_1("PLT_FileMediaServer::OnBrowseDirectChildren - failed to open dir %s", (const char*) dir);
return res;
}
unsigned long cur_index = 0;
unsigned long num_returned = 0;
unsigned long total_matches = 0;
NPT_String didl = didl_header;
PLT_MediaObjectReference item;
for (NPT_List<NPT_String>::Iterator it = entries.GetFirstItem();
it;
++it) {
NPT_String& filename = *it;
item = BuildFromFilePath(
NPT_FilePath::Create(dir, filename),
true,
&context.GetLocalAddress());
if (!item.IsNull()) {
if ((cur_index >= start_index) && ((num_returned < req_count) || (req_count == 0))) {
NPT_String tmp;
NPT_CHECK_SEVERE(PLT_Didl::ToDidl(*item.AsPointer(), filter, tmp));
didl += tmp;
num_returned++;
}
cur_index++;
total_matches++;
}
};
didl += didl_footer;
NPT_CHECK_SEVERE(action->SetArgumentValue("Result", didl));
NPT_CHECK_SEVERE(action->SetArgumentValue("NumberReturned", NPT_String::FromInteger(num_returned)));
NPT_CHECK_SEVERE(action->SetArgumentValue("TotalMatches", NPT_String::FromInteger(total_matches))); // 0 means we don't know how many we have but most browsers don't like that!!
NPT_CHECK_SEVERE(action->SetArgumentValue("UpdateId", "1"));
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnBrowseDirectChildren
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnBrowseDirectChildren(PLT_ActionReference& action,
const char* object_id,
NPT_SocketInfo* info /* = NULL */)
{
/* locate the file from the object ID */
NPT_String dir;
if (NPT_FAILED(GetFilePath(object_id, dir))) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - ObjectID not found.");
action->SetError(701, "No Such Object.");
return NPT_FAILURE;
}
/* retrieve the item type */
NPT_DirectoryEntryInfo entry_info;
NPT_Result res = NPT_DirectoryEntry::GetInfo(dir, entry_info);
if (NPT_FAILED(res)) {
/* Object does not exist */
action->SetError(800, "Can't retrieve info " + dir);
return NPT_FAILURE;
}
if (entry_info.type != NPT_DIRECTORY_TYPE) {
/* error */
NPT_LOG_WARNING("PLT_FileMediaServer::OnBrowse - BROWSEDIRECTCHILDREN not allowed on an item.");
action->SetError(710, "item is not a container.");
return NPT_FAILURE;
}
NPT_String filter;
NPT_String startingInd;
NPT_String reqCount;
NPT_CHECK_SEVERE(action->GetArgumentValue("Filter", filter));
NPT_CHECK_SEVERE(action->GetArgumentValue("StartingIndex", startingInd));
NPT_CHECK_SEVERE(action->GetArgumentValue("RequestedCount", reqCount));
unsigned long start_index, req_count;
if (NPT_FAILED(startingInd.ToInteger(start_index)) ||
NPT_FAILED(reqCount.ToInteger(req_count))) {
return NPT_FAILURE;
}
NPT_String path = dir;
if (!path.EndsWith(m_DirDelimiter)) {
path += m_DirDelimiter;
}
/* start iterating through the directory */
NPT_Directory directory(path);
NPT_String entryName;
res = directory.GetNextEntry(entryName);
if (NPT_FAILED(res)) {
NPT_LOG_WARNING_1("PLT_FileMediaServer::OnBrowseDirectChildren - failed to open dir %s", (const char*) path);
return res;
}
unsigned long cur_index = 0;
unsigned long num_returned = 0;
unsigned long total_matches = 0;
//unsigned long update_id = 0;
NPT_String didl = didl_header;
PLT_MediaObjectReference item;
do {
item = BuildFromFilePath(path + entryName, true, info);
if (!item.IsNull()) {
if ((cur_index >= start_index) && ((num_returned < req_count) || (req_count == 0))) {
NPT_String tmp;
NPT_CHECK_SEVERE(PLT_Didl::ToDidl(*item.AsPointer(), filter, tmp));
didl += tmp;
num_returned++;
}
cur_index++;
total_matches++;
}
res = directory.GetNextEntry(entryName);
} while (NPT_SUCCEEDED(res));
didl += didl_footer;
NPT_CHECK_SEVERE(action->SetArgumentValue("Result", didl));
NPT_CHECK_SEVERE(action->SetArgumentValue("NumberReturned", NPT_String::FromInteger(num_returned)));
NPT_CHECK_SEVERE(action->SetArgumentValue("TotalMatches", NPT_String::FromInteger(total_matches)));
NPT_CHECK_SEVERE(action->SetArgumentValue("UpdateId", "1"));
return NPT_SUCCESS;
}
