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47ac784425
This patch converts (for very small value of 'converts') some replication related classes. Only static topology is supported (it is created in keyspace::create_replication_strategy()). During mutation no replication is done, since messaging service is not ready yet, only endpoints are calculated.
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/*
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* Copyright (C) 2015 Cloudius Systems, Ltd.
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*/
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#pragma once
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#include <map>
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#include <unordered_set>
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#include <boost/bimap.hpp>
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#include "gms/inet_address.hh"
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#include "dht/i_partitioner.hh"
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#include "utils/UUID.hh"
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namespace locator {
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using inet_address = gms::inet_address;
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using token = dht::token;
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class topology {
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};
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class token_metadata final {
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/**
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* Maintains token to endpoint map of every node in the cluster.
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* Each Token is associated with exactly one Address, but each Address may have
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* multiple tokens. Hence, the BiMultiValMap collection.
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*/
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// FIXME: have to be BiMultiValMap
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std::map<token, inet_address> _token_to_endpoint_map;
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/** Maintains endpoint to host ID map of every node in the cluster */
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boost::bimap<inet_address, utils::UUID> _endpoint_to_host_id_map;
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std::vector<token> _sorted_tokens;
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topology _topology;
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std::vector<token> sort_tokens();
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token_metadata(std::map<token, inet_address> token_to_endpoint_map, boost::bimap<inet_address, utils::UUID> endpoints_map, topology topology);
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public:
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token_metadata() {};
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const std::vector<token>& sorted_tokens() const;
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void update_normal_token(token token, inet_address endpoint);
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void update_normal_tokens(std::unordered_set<token> tokens, inet_address endpoint);
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void update_normal_tokens(std::unordered_map<inet_address, std::unordered_set<token>>& endpoint_tokens);
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const token& first_token(const token& start);
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size_t first_token_index(const token& start);
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inet_address get_endpoint(const token& token) const;
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};
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}
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