github.com/mre-fog/trillianxx@v1.1.2-0.20180615153820-ae375a99d36a/extension/registry.go (about) 1 // Copyright 2016 Google Inc. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // Package extension provides an extension mechanism for Trillian code to access 16 // fork-specific functionality. 17 package extension 18 19 import ( 20 "github.com/google/trillian/crypto/keys" 21 "github.com/google/trillian/monitoring" 22 "github.com/google/trillian/quota" 23 "github.com/google/trillian/storage" 24 "github.com/google/trillian/util/election" 25 ) 26 27 // Registry defines all extension points available in Trillian. 28 // Customizations may easily swap the underlying storage systems by providing their own 29 // implementation. 30 type Registry struct { 31 // AdminStorage is the storage implementation to use for persisting tree metadata. 32 storage.AdminStorage 33 // LogStorage is the storage implementation to use for persisting logs. 34 storage.LogStorage 35 // MapStorage is the storage implementation to use for persisting maps. 36 storage.MapStorage 37 // ElectionFactory provides MasterElection instances for each tree. 38 ElectionFactory election.Factory 39 // QuotaManager provides rate limiting capabilities for Trillian. 40 QuotaManager quota.Manager 41 // MetricFactory provides metrics for monitoring. 42 monitoring.MetricFactory 43 // NewKeyProto creates a new private key based on a key specification. 44 // It returns a proto that can be passed to a keys.ProtoHandler to get a crypto.Signer. 45 NewKeyProto keys.ProtoGenerator 46 // SetProcessStatus sets the current process status for diagnostic purposes. 47 SetProcessStatus func(string) 48 }