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Functions
#include "source/extensions/load_balancing_policies/least_request/config.h"
#include "envoy/extensions/load_balancing_policies/least_request/v3/least_request.pb.h"
#include "source/extensions/load_balancing_policies/least_request/least_request_lb.h"
namespace Envoy {
namespace Extensions {
namespace LoadBalancingPolicies {
namespace LeastRequest {
TypedLeastRequestLbConfig::TypedLeastRequestLbConfig(const CommonLbConfigProto& common_lb_config,
const LegacyLeastRequestLbProto& lb_config) {
Upstream::LoadBalancerConfigHelper::convertLocalityLbConfigTo(common_lb_config, lb_config_);
Upstream::LoadBalancerConfigHelper::convertSlowStartConfigTo(lb_config, lb_config_);
if (lb_config.has_choice_count()) {
*lb_config_.mutable_choice_count() = lb_config.choice_count();
}
if (lb_config.has_active_request_bias()) {
*lb_config_.mutable_active_request_bias() = lb_config.active_request_bias();
TypedLeastRequestLbConfig::TypedLeastRequestLbConfig(const LeastRequestLbProto& lb_config)
: lb_config_(lb_config) {}
Upstream::LoadBalancerPtr LeastRequestCreator::operator()(
Upstream::LoadBalancerParams params, OptRef<const Upstream::LoadBalancerConfig> lb_config,
const Upstream::ClusterInfo& cluster_info, const Upstream::PrioritySet&,
Runtime::Loader& runtime, Random::RandomGenerator& random, TimeSource& time_source) {
const auto typed_lb_config = dynamic_cast<const TypedLeastRequestLbConfig*>(lb_config.ptr());
ASSERT(typed_lb_config != nullptr, "Invalid least request load balancer config");
return std::make_unique<Upstream::LeastRequestLoadBalancer>(
params.priority_set, params.local_priority_set, cluster_info.lbStats(), runtime, random,
PROTOBUF_PERCENT_TO_ROUNDED_INTEGER_OR_DEFAULT(cluster_info.lbConfig(),
healthy_panic_threshold, 100, 50),
typed_lb_config->lb_config_, time_source);
/**
* Static registration for the Factory. @see RegisterFactory.
*/
REGISTER_FACTORY(Factory, Upstream::TypedLoadBalancerFactory);
} // namespace LeastRequest
} // namespace LoadBalancingPolicies
} // namespace Extensions
} // namespace Envoy