foundationdb/fdbserver/DataDistributorInterface.h

148 lines
4.6 KiB
C++

/*
* DataDistributorInterface.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2019 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FDBSERVER_DATADISTRIBUTORINTERFACE_H
#define FDBSERVER_DATADISTRIBUTORINTERFACE_H
#include "fdbrpc/fdbrpc.h"
#include "fdbrpc/Locality.h"
#include "fdbclient/FDBTypes.h"
struct DataDistributorInterface {
constexpr static FileIdentifier file_identifier = 12383874;
RequestStream<ReplyPromise<Void>> waitFailure;
RequestStream<struct HaltDataDistributorRequest> haltDataDistributor;
struct LocalityData locality;
RequestStream<struct DistributorSnapRequest> distributorSnapReq;
RequestStream<struct DistributorExclusionSafetyCheckRequest> distributorExclCheckReq;
RequestStream<struct GetDataDistributorMetricsRequest> dataDistributorMetrics;
DataDistributorInterface() {}
explicit DataDistributorInterface(const struct LocalityData& l) : locality(l) {}
void initEndpoints() {}
UID id() const { return waitFailure.getEndpoint().token; }
NetworkAddress address() const { return waitFailure.getEndpoint().getPrimaryAddress(); }
bool operator== (const DataDistributorInterface& r) const {
return id() == r.id();
}
bool operator!= (const DataDistributorInterface& r) const {
return !(*this == r);
}
template <class Archive>
void serialize(Archive& ar) {
serializer(ar, waitFailure, haltDataDistributor, locality, distributorSnapReq, distributorExclCheckReq, dataDistributorMetrics);
}
};
struct HaltDataDistributorRequest {
constexpr static FileIdentifier file_identifier = 1904127;
UID requesterID;
ReplyPromise<Void> reply;
HaltDataDistributorRequest() {}
explicit HaltDataDistributorRequest(UID uid) : requesterID(uid) {}
template<class Ar>
void serialize(Ar& ar) {
serializer(ar, requesterID, reply);
}
};
struct GetDataDistributorMetricsReply {
constexpr static FileIdentifier file_identifier = 1284337;
Standalone<VectorRef<DDMetricsRef>> storageMetricsList;
Optional<int64_t> midShardSize;
GetDataDistributorMetricsReply() {}
template <class Ar>
void serialize(Ar& ar) {
serializer(ar, storageMetricsList, midShardSize);
}
};
struct GetDataDistributorMetricsRequest {
constexpr static FileIdentifier file_identifier = 1059267;
KeyRange keys;
int shardLimit;
ReplyPromise<struct GetDataDistributorMetricsReply> reply;
bool midOnly = false;
GetDataDistributorMetricsRequest() {}
explicit GetDataDistributorMetricsRequest(KeyRange const& keys, const int shardLimit, bool midOnly = false)
: keys(keys), shardLimit(shardLimit), midOnly(midOnly) {}
template<class Ar>
void serialize(Ar& ar) {
serializer(ar, keys, shardLimit, reply, midOnly);
}
};
struct DistributorSnapRequest
{
constexpr static FileIdentifier file_identifier = 5427684;
Arena arena;
StringRef snapPayload;
UID snapUID;
ReplyPromise<Void> reply;
Optional<UID> debugID;
explicit DistributorSnapRequest(Optional<UID> const& debugID = Optional<UID>()) : debugID(debugID) {}
explicit DistributorSnapRequest(StringRef snap, UID snapUID, Optional<UID> debugID = Optional<UID>()) : snapPayload(snap), snapUID(snapUID), debugID(debugID) {}
template <class Ar>
void serialize(Ar& ar) {
serializer(ar, snapPayload, snapUID, reply, arena, debugID);
}
};
struct DistributorExclusionSafetyCheckReply
{
constexpr static FileIdentifier file_identifier = 13005960;
bool safe;
DistributorExclusionSafetyCheckReply() : safe(false) {}
explicit DistributorExclusionSafetyCheckReply(bool safe) : safe(safe) {}
template <class Ar>
void serialize(Ar& ar) {
serializer(ar, safe);
}
};
struct DistributorExclusionSafetyCheckRequest
{
constexpr static FileIdentifier file_identifier = 5830931;
vector<AddressExclusion> exclusions;
ReplyPromise<DistributorExclusionSafetyCheckReply> reply;
DistributorExclusionSafetyCheckRequest() {}
explicit DistributorExclusionSafetyCheckRequest(vector<AddressExclusion> exclusions) : exclusions(exclusions) {}
template <class Ar>
void serialize(Ar& ar) {
serializer(ar, exclusions, reply);
}
};
#endif //FDBSERVER_DATADISTRIBUTORINTERFACE_H