48 lines
1.6 KiB
C++
48 lines
1.6 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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* Modified by Cloudius Systems.
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* Copyright 2015 Cloudius Systems.
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*/
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#pragma once
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#include "core/sstring.hh"
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#include "gms/inet_address.hh"
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#include "locator/abstract_network_topology_snitch.hh"
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namespace locator {
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using inet_address = gms::inet_address;
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/**
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* A simple endpoint snitch implementation that assumes datacenter and rack information is encoded
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* in the 2nd and 3rd octets of the ip address, respectively.
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*/
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class rack_inferring_snitch : public abstract_network_topology_snitch {
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public:
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virtual sstring get_rack(inet_address endpoint) override {
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return std::to_string((endpoint.raw_addr() >> 8) & 0xFF);
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}
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virtual sstring get_datacenter(inet_address endpoint) override {
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return std::to_string((endpoint.raw_addr() >> 16) & 0xFF);
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}
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};
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} // namespace locator
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