-
Notifications
You must be signed in to change notification settings - Fork 0
/
ensure_index.go
155 lines (135 loc) · 3.97 KB
/
ensure_index.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
//
// Copyright 2019 Insolar Technologies GmbH
//
// 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.
//
package proc
import (
"context"
"fmt"
"github.com/insolar/insolar/insolar"
"github.com/insolar/insolar/insolar/bus"
"github.com/insolar/insolar/insolar/flow"
"github.com/insolar/insolar/insolar/jet"
"github.com/insolar/insolar/insolar/payload"
"github.com/insolar/insolar/insolar/record"
"github.com/insolar/insolar/instrumentation/inslogger"
"github.com/insolar/insolar/instrumentation/instracer"
"github.com/insolar/insolar/ledger/light/executor"
"github.com/insolar/insolar/ledger/object"
"github.com/pkg/errors"
"go.opencensus.io/trace"
)
type EnsureIndex struct {
object insolar.ID
jet insolar.JetID
message payload.Meta
pulse insolar.PulseNumber
dep struct {
indexLocker object.IndexLocker
indexes object.MemoryIndexStorage
coordinator jet.Coordinator
sender bus.Sender
writeAccessor executor.WriteAccessor
}
}
func NewEnsureIndex(obj insolar.ID, jetID insolar.JetID, msg payload.Meta, pulse insolar.PulseNumber) *EnsureIndex {
return &EnsureIndex{
object: obj,
jet: jetID,
message: msg,
pulse: pulse,
}
}
func (p *EnsureIndex) Dep(
il object.IndexLocker,
idxs object.MemoryIndexStorage,
c jet.Coordinator,
s bus.Sender,
wc executor.WriteAccessor,
) {
p.dep.indexLocker = il
p.dep.indexes = idxs
p.dep.coordinator = c
p.dep.sender = s
p.dep.writeAccessor = wc
}
func (p *EnsureIndex) Proceed(ctx context.Context) error {
logger := inslogger.FromContext(ctx)
ctx, span := instracer.StartSpan(ctx, "EnsureIndex")
defer span.End()
span.AddAttributes(
trace.StringAttribute("object_id", p.object.DebugString()),
)
p.dep.indexLocker.Lock(p.object)
defer p.dep.indexLocker.Unlock(p.object)
idx, err := p.dep.indexes.ForID(ctx, p.pulse, p.object)
if err == nil {
idx.LifelineLastUsed = p.pulse
p.dep.indexes.Set(ctx, p.pulse, idx)
return nil
}
if err != object.ErrIndexNotFound {
return errors.Wrap(err, "EnsureIndex: failed to fetch index")
}
logger.Debug("EnsureIndex: failed to fetch index (fetching from heavy)")
heavy, err := p.dep.coordinator.Heavy(ctx)
if err != nil {
return errors.Wrap(err, "EnsureIndex: failed to calculate heavy")
}
ensureIndex, err := payload.NewMessage(&payload.GetIndex{
ObjectID: p.object,
})
if err != nil {
return errors.Wrap(err, "EnsureIndex: failed to create EnsureIndex message")
}
reps, done := p.dep.sender.SendTarget(ctx, ensureIndex, *heavy)
defer done()
res, ok := <-reps
if !ok {
return errors.New("EnsureIndex: no reply")
}
pl, err := payload.UnmarshalFromMeta(res.Payload)
if err != nil {
return errors.Wrap(err, "EnsureIndex: failed to unmarshal reply")
}
switch rep := pl.(type) {
case *payload.Index:
idx, err := object.DecodeLifeline(rep.Index)
if err != nil {
return errors.Wrap(err, "EnsureIndex: failed to decode index")
}
done, err := p.dep.writeAccessor.Begin(ctx, p.pulse)
if err != nil {
if err == executor.ErrWriteClosed {
return flow.ErrCancelled
}
return errors.Wrap(err, "failed to write to db")
}
defer done()
p.dep.indexes.Set(ctx, p.pulse, record.Index{
LifelineLastUsed: p.pulse,
Lifeline: idx,
PendingRecords: []insolar.ID{},
ObjID: p.object,
})
return nil
case *payload.Error:
return &payload.CodedError{
Text: fmt.Sprint("failed to fetch index from heavy: ", rep.Text),
Code: rep.Code,
}
default:
return fmt.Errorf("EnsureIndex: unexpected reply %T", pl)
}
}