-
Notifications
You must be signed in to change notification settings - Fork 1.2k
/
diff_deadlines.go
176 lines (149 loc) · 3.58 KB
/
diff_deadlines.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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
package miner
import (
"errors"
"github.com/filecoin-project/go-bitfield"
"github.com/filecoin-project/go-state-types/exitcode"
)
type DeadlinesDiff map[uint64]DeadlineDiff
func DiffDeadlines(pre, cur State) (DeadlinesDiff, error) {
changed, err := pre.DeadlinesChanged(cur)
if err != nil {
return nil, err
}
if !changed {
return nil, nil
}
dlDiff := make(DeadlinesDiff)
if err := pre.ForEachDeadline(func(idx uint64, preDl Deadline) error {
curDl, err := cur.LoadDeadline(idx)
if err != nil {
return err
}
diff, err := DiffDeadline(preDl, curDl)
if err != nil {
return err
}
dlDiff[idx] = diff
return nil
}); err != nil {
return nil, err
}
return dlDiff, nil
}
type DeadlineDiff map[uint64]*PartitionDiff
func DiffDeadline(pre, cur Deadline) (DeadlineDiff, error) {
changed, err := pre.PartitionsChanged(cur)
if err != nil {
return nil, err
}
if !changed {
return nil, nil
}
partDiff := make(DeadlineDiff)
if err := pre.ForEachPartition(func(idx uint64, prePart Partition) error {
// try loading current partition at this index
curPart, err := cur.LoadPartition(idx)
if err != nil {
if errors.Is(err, exitcode.ErrNotFound) {
// TODO correctness?
return nil // the partition was removed.
}
return err
}
// compare it with the previous partition
diff, err := DiffPartition(prePart, curPart)
if err != nil {
return err
}
partDiff[idx] = diff
return nil
}); err != nil {
return nil, err
}
// all previous partitions have been walked.
// all partitions in cur and not in prev are new... can they be faulty already?
// TODO is this correct?
if err := cur.ForEachPartition(func(idx uint64, curPart Partition) error {
if _, found := partDiff[idx]; found {
return nil
}
faults, err := curPart.FaultySectors()
if err != nil {
return err
}
recovering, err := curPart.RecoveringSectors()
if err != nil {
return err
}
partDiff[idx] = &PartitionDiff{
Removed: bitfield.New(),
Recovered: bitfield.New(),
Faulted: faults,
Recovering: recovering,
}
return nil
}); err != nil {
return nil, err
}
return partDiff, nil
}
type PartitionDiff struct {
Removed bitfield.BitField
Recovered bitfield.BitField
Faulted bitfield.BitField
Recovering bitfield.BitField
}
func DiffPartition(pre, cur Partition) (*PartitionDiff, error) {
prevLiveSectors, err := pre.LiveSectors()
if err != nil {
return nil, err
}
curLiveSectors, err := cur.LiveSectors()
if err != nil {
return nil, err
}
removed, err := bitfield.SubtractBitField(prevLiveSectors, curLiveSectors)
if err != nil {
return nil, err
}
prevRecoveries, err := pre.RecoveringSectors()
if err != nil {
return nil, err
}
curRecoveries, err := cur.RecoveringSectors()
if err != nil {
return nil, err
}
recovering, err := bitfield.SubtractBitField(curRecoveries, prevRecoveries)
if err != nil {
return nil, err
}
prevFaults, err := pre.FaultySectors()
if err != nil {
return nil, err
}
curFaults, err := cur.FaultySectors()
if err != nil {
return nil, err
}
faulted, err := bitfield.SubtractBitField(curFaults, prevFaults)
if err != nil {
return nil, err
}
// all current good sectors
curActiveSectors, err := cur.ActiveSectors()
if err != nil {
return nil, err
}
// sectors that were previously fault and are now currently active are considered recovered.
recovered, err := bitfield.IntersectBitField(prevFaults, curActiveSectors)
if err != nil {
return nil, err
}
return &PartitionDiff{
Removed: removed,
Recovered: recovered,
Faulted: faulted,
Recovering: recovering,
}, nil
}