This repository has been archived by the owner on Sep 26, 2019. It is now read-only.
/
protocol_update_person_logs.go
343 lines (261 loc) · 6.72 KB
/
protocol_update_person_logs.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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
// Copyright 2019 The go-pttai Authors
// This file is part of the go-pttai library.
//
// The go-pttai library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-pttai library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-pttai library. If not, see <http://www.gnu.org/licenses/>.
package service
import (
"bytes"
"reflect"
"github.com/ailabstw/go-pttai/common/types"
"github.com/ailabstw/go-pttai/log"
)
/**********
* Handle UpdatePersonLog
**********/
func (pm *BaseProtocolManager) HandleUpdatePersonLog(
oplog *BaseOplog,
origPerson Object,
opData OpData,
merkle *Merkle,
setLogDB func(oplog *BaseOplog),
postupdate func(obj Object, oplog *BaseOplog) error,
) ([]*BaseOplog, error) {
// 1. lock person
personID := oplog.ObjID
origPerson.SetID(personID)
err := origPerson.Lock()
if err != nil {
return nil, err
}
defer origPerson.Unlock()
log.Debug("HandleUpdatePersonLog: start", "personID", personID, "entity", pm.Entity().IDString())
// 2. get person (should never delete once stored)
err = origPerson.GetByID(true)
if err != nil {
return nil, err
}
if oplog.UpdateTS.IsLess(origPerson.GetUpdateTS()) {
return nil, ErrNewerOplog
}
/*
if !reflect.DeepEqual(origPerson.GetLogID(), oplog.PreLogID) {
return nil, ErrInvalidPreLog
}
*/
// 3. check validity
origStatus := origPerson.GetStatus()
origUpdateTS := origPerson.GetUpdateTS()
if origStatus == types.StatusAlive {
if origUpdateTS.IsLess(oplog.UpdateTS) {
origPerson.SetSyncInfo(nil)
origPerson.SetIsGood(true)
origPerson.SetIsAllGood(true)
err = pm.saveNewObjectWithOplog(origPerson, oplog, true, true, nil)
if err != nil {
return nil, err
}
return nil, nil
} else {
return nil, ErrNewerOplog
}
}
if origStatus >= types.StatusMigrated {
return nil, ErrNewerOplog
}
// 4. core
err = pm.handleUpdatePersonLogCore(
oplog,
origPerson,
opData,
merkle,
setLogDB,
postupdate,
)
if err != nil {
return nil, err
}
return nil, nil
}
func (pm *BaseProtocolManager) handleUpdatePersonLogCore(
oplog *BaseOplog,
origPerson Object,
opData OpData,
merkle *Merkle,
setLogDB func(oplog *BaseOplog),
postupdate func(obj Object, oplog *BaseOplog) error,
) error {
var err error
// 1. check sync-info
oplogStatus := types.StatusAlive
var isReplaceSyncInfo bool
origSyncInfo := origPerson.GetSyncInfo()
if origSyncInfo != nil {
isReplaceSyncInfo = isReplaceOrigSyncPersonInfo(origSyncInfo, oplogStatus, oplog.UpdateTS, oplog.ID)
}
// 1.1. replace sync-info
if isReplaceSyncInfo {
err = pm.removeBlockAndMediaInfoBySyncInfo(
origSyncInfo,
nil,
oplog,
true,
merkle,
nil,
setLogDB,
)
if err != nil {
return err
}
origPerson.SetSyncInfo(nil)
}
// 4. saveUpdateObj
log.Debug("handleUpdatePersonLogCore: to saveUpdateObjectWithOplog", "person", origPerson.GetID(), "oplog", oplog.ID, "entity", pm.Entity().IDString())
origPerson.SetSyncInfo(nil)
origPerson.SetIsGood(true)
origPerson.SetIsAllGood(true)
err = pm.saveNewObjectWithOplog(origPerson, oplog, true, true, nil)
if err != nil {
return err
}
if postupdate != nil {
postupdate(origPerson, oplog)
}
oplog.IsSync = true
return nil
}
/**********
* Handle UpdatePendingPersonLog
**********/
func (pm *BaseProtocolManager) HandlePendingUpdatePersonLog(
oplog *BaseOplog,
origPerson Object,
opData OpData,
merkle *Merkle,
setLogDB func(oplog *BaseOplog),
) (types.Bool, []*BaseOplog, error) {
// 1. lock person
personID := oplog.ObjID
origPerson.SetID(personID)
err := origPerson.Lock()
if err != nil {
return false, nil, err
}
defer origPerson.Unlock()
// 2. get person
err = origPerson.GetByID(true)
if err != nil {
return false, nil, err
}
if !reflect.DeepEqual(origPerson.GetLogID(), oplog.PreLogID) {
return false, nil, ErrInvalidPreLog
}
// 3. check validity
origStatus := origPerson.GetStatus()
if origStatus == types.StatusAlive {
return false, nil, ErrNewerOplog
}
if origStatus >= types.StatusMigrated {
return false, nil, ErrNewerOplog
}
// 4. core
err = pm.handlePendingUpdatePersonLogCore(
oplog,
origPerson,
opData,
merkle,
setLogDB,
)
if err != nil {
return false, nil, err
}
return oplog.IsSync, nil, nil
}
func (pm *BaseProtocolManager) handlePendingUpdatePersonLogCore(
oplog *BaseOplog,
origObj Object,
opData OpData,
merkle *Merkle,
setLogDB func(oplog *BaseOplog),
) error {
var err error
// 1. sync info
oplogStatus := oplog.ToStatus()
var isReplaceSyncInfo bool
origSyncInfo := origObj.GetSyncInfo()
if origSyncInfo != nil {
isReplaceSyncInfo = isReplaceOrigSyncPersonInfo(origSyncInfo, oplogStatus, oplog.UpdateTS, oplog.ID)
if !isReplaceSyncInfo {
return types.ErrAlreadyPending
}
// 1.1 replace sync-info
syncLogID := origSyncInfo.GetLogID()
if !reflect.DeepEqual(syncLogID, oplog.ID) {
pm.removeBlockAndMediaInfoBySyncInfo(
origSyncInfo,
nil,
oplog,
false,
merkle,
nil,
setLogDB,
)
}
origObj.SetSyncInfo(nil)
}
// 4. save obj
SetPendingPersonSyncInfo(origObj, oplogStatus, oplog)
err = origObj.Save(true)
if err != nil {
return err
}
// 5. oplog.is-sync
oplog.IsSync = true
return nil
}
func SetPendingPersonSyncInfo(person Object, pendingStatus types.Status, oplog *BaseOplog) error {
syncInfo := NewEmptySyncPersonInfo()
syncInfo.InitWithOplog(pendingStatus, oplog)
person.SetSyncInfo(syncInfo)
return nil
}
func isReplaceOrigSyncPersonInfo(syncInfo SyncInfo, status types.Status, ts types.Timestamp, newLogID *types.PttID) bool {
if syncInfo == nil {
return true
}
statusClass := types.StatusToStatusClass(status)
syncStatusClass := types.StatusToStatusClass(syncInfo.GetStatus())
switch syncStatusClass {
case types.StatusClassInternalDelete:
syncStatusClass = types.StatusClassInternalPendingAlive
case types.StatusClassPendingDelete:
syncStatusClass = types.StatusClassPendingAlive
case types.StatusClassDeleted:
syncStatusClass = types.StatusClassAlive
}
if statusClass < syncStatusClass {
return false
}
if statusClass > syncStatusClass {
return true
}
syncTS := syncInfo.GetUpdateTS()
if syncTS.IsLess(ts) {
return false
}
if ts.IsLess(syncTS) {
return true
}
origLogID := syncInfo.GetLogID()
return bytes.Compare(origLogID[:], newLogID[:]) > 0
}