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37 lines
923 B
C++
37 lines
923 B
C++
/*
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* Copyright 2020-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.1
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*/
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#include "utils/assert.hh"
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#include <cassert>
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#include <chrono>
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#include <utility>
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#include <fmt/format.h>
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#include "generation-number.hh"
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namespace gms {
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generation_type get_generation_number() {
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using namespace std::chrono;
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auto now = high_resolution_clock::now().time_since_epoch();
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int generation_number = duration_cast<seconds>(now).count();
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auto ret = generation_type(generation_number);
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// Make sure the clock didn't overflow the 32 bits value
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SCYLLA_ASSERT(ret.value() == generation_number);
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return ret;
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}
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void validate_gossip_generation(int64_t generation_number) {
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if (!std::in_range<gms::generation_type::value_type>(generation_number)) {
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throw std::out_of_range(fmt::format("gossip generation {} is out of range", generation_number));
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}
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}
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}
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