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remotefeedprotocol.cpp
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remotefeedprotocol.cpp
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/** @file remotefeedprotocol.cpp
*
* @authors Copyright (c) 2017 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* @par License
* LGPL: http://www.gnu.org/licenses/lgpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version. This program is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
* General Public License for more details. You should have received a copy of
* the GNU Lesser General Public License along with this program; if not, see:
* http://www.gnu.org/licenses</small>
*/
#include "de/RemoteFeedProtocol"
#include "de/TextValue"
#include "de/RecordValue"
#include "de/Folder"
namespace de {
// RemoteFeedQueryPacket ------------------------------------------------------
static char const *QUERY_PACKET_TYPE = "RFQu";
RemoteFeedQueryPacket::RemoteFeedQueryPacket()
: IdentifiedPacket(QUERY_PACKET_TYPE)
{}
void RemoteFeedQueryPacket::setQuery(Query query)
{
_query = query;
}
void RemoteFeedQueryPacket::setPath(String const &path)
{
_path = path;
}
RemoteFeedQueryPacket::Query RemoteFeedQueryPacket::query() const
{
return _query;
}
String RemoteFeedQueryPacket::path() const
{
return _path;
}
void RemoteFeedQueryPacket::operator >> (Writer &to) const
{
IdentifiedPacket::operator >> (to);
to << duint8(_query) << _path;
}
void RemoteFeedQueryPacket::operator << (Reader &from)
{
IdentifiedPacket::operator << (from);
from.readAs<duint8>(_query);
from >> _path;
}
Packet *RemoteFeedQueryPacket::fromBlock(Block const &block)
{
return constructFromBlock<RemoteFeedQueryPacket>(block, QUERY_PACKET_TYPE);
}
// RemoteFeedMetadataPacket ---------------------------------------------------
static char const *METADATA_PACKET_TYPE = "RFMt";
RemoteFeedMetadataPacket::RemoteFeedMetadataPacket()
: IdentifiedPacket(METADATA_PACKET_TYPE)
{}
void RemoteFeedMetadataPacket::addFile(File const &file)
{
auto const &ns = file.objectNamespace();
auto const status = file.status();
std::unique_ptr<Record> fileMeta(new Record);
fileMeta->addTime ("modifiedAt", status.modifiedAt);
fileMeta->addNumber("type", status.type());
if (status.type() == File::Status::FOLDER)
{
fileMeta->addNumber("size", file.as<Folder>().contents().size());
}
else
{
fileMeta->addNumber("size", status.size);
}
if (ns.hasSubrecord("package"))
{
fileMeta->add("package", new Record(ns["package"].valueAsRecord(),
Record::IgnoreDoubleUnderscoreMembers));
}
_metadata.add(new TextValue(file.name()),
new RecordValue(fileMeta.release(), RecordValue::OwnsRecord));
}
DictionaryValue const &RemoteFeedMetadataPacket::metadata() const
{
return _metadata;
}
void RemoteFeedMetadataPacket::operator >> (Writer &to) const
{
IdentifiedPacket::operator >> (to);
to << _metadata;
}
void RemoteFeedMetadataPacket::operator << (Reader &from)
{
IdentifiedPacket::operator << (from);
from >> _metadata;
}
Packet *RemoteFeedMetadataPacket::fromBlock(Block const &block)
{
return constructFromBlock<RemoteFeedMetadataPacket>(block, METADATA_PACKET_TYPE);
}
// RemoteFeedProtocol ---------------------------------------------------------
RemoteFeedProtocol::RemoteFeedProtocol()
{
define(RemoteFeedQueryPacket::fromBlock);
define(RemoteFeedMetadataPacket::fromBlock);
}
RemoteFeedProtocol::PacketType RemoteFeedProtocol::recognize(Packet const &packet)
{
if (packet.type() == QUERY_PACKET_TYPE)
{
DENG2_ASSERT(is<RemoteFeedQueryPacket>(&packet));
return Query;
}
if (packet.type() == METADATA_PACKET_TYPE)
{
DENG2_ASSERT(is<RemoteFeedMetadataPacket>(&packet));
return Metadata;
}
return Unknown;
}
} // namespace de