74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
/*
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Copyright 2016 The GoStor Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Target Driver Interface
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package scsi
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import (
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"fmt"
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"github.com/gostor/gotgt/pkg/config"
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)
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type SCSITargetDriver interface {
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Run(port int) error
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NewTarget(string, *config.Config) error
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RereadTargetLUNMap()
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Close() error
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Resize(uint64) error
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Stats() Stats
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SetClusterIP(string)
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EnableBlockMultipleHostLogin()
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}
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type Stats struct {
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IsClientConnected bool
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RevisionCounter int64
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ReplicaCounter int64
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SCSIIOCount map[int]int64
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ReadIOPS int64
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TotalReadTime int64
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TotalReadBlockCount int64
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WriteIOPS int64
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TotalWriteTime int64
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TotalWriteBlockCount int64
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UsedLogicalBlocks int64
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UsedBlocks int64
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SectorSize int64
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}
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type TargetDriverFunc func(*SCSITargetService) (SCSITargetDriver, error)
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var registeredPlugins = map[string](TargetDriverFunc){}
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func RegisterTargetDriver(name string, f TargetDriverFunc) {
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registeredPlugins[name] = f
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}
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func NewTargetDriver(tgtDriver string, s *SCSITargetService) (SCSITargetDriver, error) {
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if tgtDriver == "" {
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return nil, nil
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}
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targetInitFunc, ok := registeredPlugins[tgtDriver]
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if !ok {
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return nil, fmt.Errorf("SCSI target driver %s is not found.", tgtDriver)
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}
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return targetInitFunc(s)
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}
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