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fcb8d040e8
Instead of lengthy blurbs, switch to single-line, machine-readable standardized (https://spdx.dev) license identifiers. The Linux kernel switched long ago, so there is strong precedent. Three cases are handled: AGPL-only, Apache-only, and dual licensed. For the latter case, I chose (AGPL-3.0-or-later and Apache-2.0), reasoning that our changes are extensive enough to apply our license. The changes we applied mechanically with a script, except to licenses/README.md. Closes #9937
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/*
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* Copyright (C) 2021-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include <seastar/core/sharded.hh>
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#include <seastar/core/future.hh>
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#include "alternator/executor.hh"
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#include "utils/rjson.hh"
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#include "db/system_distributed_keyspace.hh"
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#include "cdc/metadata.hh"
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namespace service {
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class storage_proxy;
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class migration_manager;
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}
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namespace cql3 {
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class query_processor;
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}
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namespace gms {
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class gossiper;
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}
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// Test environment for alternator frontend.
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// The interface is minimal and does not cover alternator streams,
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// because this environment has limited use as well - microbenchmarks.
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// Regular unit tests should be performed by the test/alternator pytest
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// suite, which has several advantages:
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// - it's not coded in raw C++, which is not great for unit tests
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// - it actually boots Scylla, which exercises more paths
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// - it's designed to run the tests against DynamoDB as well
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// Because of that, the helper class above should only be used
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// for benchmarks which need more low-level access to Seastar metrics.
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class alternator_test_env {
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sharded<gms::gossiper>& _gossiper;
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sharded<service::storage_proxy>& _proxy;
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sharded<service::migration_manager>& _mm;
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sharded<cql3::query_processor>& _qp;
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// Dummy service, only needed for alternator streams
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sharded<db::system_distributed_keyspace> _sdks;
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// Dummy service, only needed for alternator streams
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sharded<cdc::metadata> _cdc_metadata;
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sharded<alternator::executor> _executor;
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public:
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alternator_test_env(
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sharded<gms::gossiper>& gossiper,
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sharded<service::storage_proxy>& proxy,
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sharded<service::migration_manager>& mm,
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sharded<cql3::query_processor>& qp)
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: _gossiper(gossiper)
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, _proxy(proxy)
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, _mm(mm)
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, _qp(qp)
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{}
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future<> start(std::string_view isolation_level);
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future<> stop();
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future<> flush_memtables();
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alternator::executor& executor() {
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return _executor.local();
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}
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};
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