stream_event.hh

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 *
 * Modified by ScyllaDB
 * Copyright (C) 2015 ScyllaDB
 */

/*
 * This file is part of Scylla.
 *
 * Scylla is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Scylla 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Scylla.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "utils/UUID.hh"
#include "gms/inet_address.hh"
#include "streaming/stream_session.hh"
#include "streaming/session_info.hh"
#include "streaming/progress_info.hh"

namespace streaming {

class stream_event {
public:
    using UUID = utils::UUID;
    enum class type {
        STREAM_PREPARED,
        STREAM_COMPLETE,
        FILE_PROGRESS,
    };

    type event_type;
    UUID plan_id;

    stream_event(type event_type_, UUID plan_id_)
        : event_type(event_type_)
        , plan_id(plan_id_) {
    }
};

struct session_complete_event : public stream_event {
    using inet_address = gms::inet_address;
    inet_address peer;
    bool success;

    session_complete_event(shared_ptr<stream_session> session)
        : stream_event(stream_event::type::STREAM_COMPLETE, session->plan_id())
        , peer(session->peer)
        , success(session->is_success()) {
    }
};

struct progress_event : public stream_event {
    using UUID = utils::UUID;
    progress_info progress;
    progress_event(UUID plan_id_, progress_info progress_)
        : stream_event(stream_event::type::FILE_PROGRESS, plan_id_)
        , progress(std::move(progress_)) {
    }
};

struct session_prepared_event : public stream_event {
    using UUID = utils::UUID;
    session_info session;
    session_prepared_event(UUID plan_id_, session_info session_)
        : stream_event(stream_event::type::STREAM_PREPARED, plan_id_)
        , session(std::move(session_)) {
    }
};

} // namespace streaming