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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "storagereply.h"
#include "storagecommand.h"
#include <vespa/vespalib/util/exceptions.h>
#include <vespa/vespalib/objects/nbostream.h>
using vespalib::alloc::Alloc;
using vespalib::IllegalStateException;
namespace storage::mbusprot {
StorageReply::StorageReply(mbus::BlobRef data, const ProtocolSerialization& serializer)
: _serializer(&serializer),
_sz(data.size()),
_buffer(Alloc::alloc(_sz)),
_mbusType(0),
_reply()
{
memcpy(_buffer.get(), data.data(), _sz);
vespalib::nbostream nbo(data.data(), _sz);
nbo >> _mbusType;
}
StorageReply::StorageReply(api::StorageReply::SP reply)
: _serializer(0),
_sz(0),
_buffer(),
_mbusType(reply->getType().getId()),
_reply(std::move(reply))
{}
StorageReply::~StorageReply() = default;
void
StorageReply::deserialize() const
{
if (_reply.get()) return;
StorageReply& reply(const_cast<StorageReply&>(*this));
mbus::Message::UP msg(reply.getMessage());
if (msg.get() == 0) {
throw IllegalStateException("Cannot deserialize storage reply before message have been set", VESPA_STRLOC);
}
const StorageCommand* cmd(dynamic_cast<const StorageCommand*>(msg.get()));
reply.setMessage(std::move(msg));
if (cmd == 0) {
throw IllegalStateException("Storage reply get message did not return a storage command", VESPA_STRLOC);
}
mbus::BlobRef blobRef(static_cast<char *>(_buffer.get()), _sz);
_reply = _serializer->decodeReply(blobRef, *cmd->getCommand())->getReply();
Alloc().swap(_buffer);
}
}
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