6e6372e8d2
This reverts commit31c6a794e9, reversing changes made to4537ec7426. It causes bad_function_calls in some situations: INFO 2019-01-20 01:41:12,164 [shard 0] database - Keyspace system: Reading CF sstable_activity id=5a1ff267-ace0-3f12-8563-cfae6103c65e version=d69820df-9d03-3cd0-91b0-c078c030b708 INFO 2019-01-20 01:41:13,952 [shard 0] legacy_schema_migrator - Moving 0 keyspaces from legacy schema tables to the new schema keyspace (system_schema) INFO 2019-01-20 01:41:13,958 [shard 0] legacy_schema_migrator - Dropping legacy schema tables INFO 2019-01-20 01:41:14,702 [shard 0] legacy_schema_migrator - Completed migration of legacy schema tables ERROR 2019-01-20 01:41:14,999 [shard 0] seastar - Exiting on unhandled exception: std::bad_function_call (bad_function_call)
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
/*
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* Copyright (C) 2018 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 <seastar/core/sleep.hh>
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template<typename EventuallySucceedingFunction>
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void eventually(EventuallySucceedingFunction&& f, size_t max_attempts = 12) {
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size_t attempts = 0;
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while (true) {
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try {
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f();
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break;
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} catch (...) {
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if (++attempts < max_attempts) {
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sleep(std::chrono::milliseconds(1 << attempts)).get0();
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} else {
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throw;
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}
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}
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}
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}
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template<typename EventuallySucceedingFunction>
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bool eventually_true(EventuallySucceedingFunction&& f) {
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const unsigned max_attempts = 10;
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unsigned attempts = 0;
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while (true) {
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if (f()) {
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return true;
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}
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if (++attempts < max_attempts) {
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seastar::sleep(std::chrono::milliseconds(1 << attempts)).get0();
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} else {
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return false;
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}
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}
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return false;
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}
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#define REQUIRE_EVENTUALLY_EQUAL(a, b) BOOST_REQUIRE(eventually_true([&] { return a == b; }))
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