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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "retrytransienterrorspolicy.h"
#include <vespa/messagebus/errorcode.h>
namespace mbus {
RetryTransientErrorsPolicy::RetryTransientErrorsPolicy() :
_enabled(true),
_baseDelay(0.001)
{}
RetryTransientErrorsPolicy::~RetryTransientErrorsPolicy() = default;
RetryTransientErrorsPolicy &
RetryTransientErrorsPolicy::setEnabled(bool enabled) {
_enabled = enabled;
return *this;
}
RetryTransientErrorsPolicy &
RetryTransientErrorsPolicy::setBaseDelay(double baseDelay) {
_baseDelay = baseDelay;
return *this;
}
bool
RetryTransientErrorsPolicy::canRetry(uint32_t errorCode) const {
return _enabled.load(std::memory_order_relaxed) && errorCode < ErrorCode::FATAL_ERROR;
}
double
RetryTransientErrorsPolicy::getRetryDelay(uint32_t retry) const {
uint64_t retryMultiplier = 0l;
if (retry > 1) {
retryMultiplier = 1L << std::min(20u, retry-1);
}
return std::min(10.0, _baseDelay.load(std::memory_order_relaxed) * retryMultiplier);
}
}
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