38a54df863
People keep tripping over the old copyrights and copy-pasting them to new files. Search and replace "Cloudius Systems" with "ScyllaDB". Message-Id: <1460013664-25966-1-git-send-email-penberg@scylladb.com>
113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2015 ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "gms/inet_address.hh"
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#include <seastar/core/sstring.hh>
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#include <seastar/net/api.hh>
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#include <experimental/optional>
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#include <stdexcept>
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namespace transport {
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class event {
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public:
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enum class event_type { TOPOLOGY_CHANGE, STATUS_CHANGE, SCHEMA_CHANGE };
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const event_type type;
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private:
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event(const event_type& type_);
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public:
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class topology_change;
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class status_change;
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class schema_change;
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};
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class event::topology_change : public event {
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public:
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enum class change_type { NEW_NODE, REMOVED_NODE, MOVED_NODE };
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const change_type change;
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const ipv4_addr node;
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topology_change(change_type change, const ipv4_addr& node);
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static topology_change new_node(const gms::inet_address& host, uint16_t port);
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static topology_change removed_node(const gms::inet_address& host, uint16_t port);
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static topology_change moved_node(const gms::inet_address& host, uint16_t port);
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};
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class event::status_change : public event {
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public:
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enum class status_type { UP, DOWN };
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const status_type status;
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const ipv4_addr node;
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status_change(status_type status, const ipv4_addr& node);
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static status_change node_up(const gms::inet_address& host, uint16_t port);
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static status_change node_down(const gms::inet_address& host, uint16_t port);
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};
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class event::schema_change : public event {
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public:
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enum class change_type { CREATED, UPDATED, DROPPED };
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enum class target_type { KEYSPACE, TABLE, TYPE };
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const change_type change;
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const target_type target;
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const sstring keyspace;
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const std::experimental::optional<sstring> table_or_type_or_function;
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schema_change(const change_type change_, const target_type target_, const sstring& keyspace_, const std::experimental::optional<sstring>& table_or_type_or_function_);
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schema_change(const change_type change_, const sstring keyspace_);
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};
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}
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