/
updateModelCatalog.go
212 lines (183 loc) · 5.84 KB
/
updateModelCatalog.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
// Copyright (c) 2016 OpenM++
// This code is licensed under the MIT license (see LICENSE.txt for details)
package main
import (
"errors"
"os"
"path/filepath"
"sort"
"strings"
"time"
"golang.org/x/text/language"
"github.com/openmpp/go/ompp/db"
"github.com/openmpp/go/ompp/helper"
"github.com/openmpp/go/ompp/omppLog"
)
// RefreshSqlite open db-connection to model.sqlite files in model directory and read model_dic row for each model.
// If multiple version of the same model (equal by digest) exist in different files then only one is used.
// All previously opened db connections are closed.
func (mc *ModelCatalog) refreshSqlite(modelDir, modelLogDir string) error {
// model directory must exist
isDir := modelDir != "" && modelDir != "."
if isDir {
isDir = dirExist(modelDir)
}
if !isDir {
return errors.New("Error: model directory not exist or not accesible: " + modelDir)
}
// model log directory is optional, if empty or not exists then model log disabled
isLogDir := modelLogDir != "" && modelLogDir != "."
if isLogDir {
isLogDir = dirExist(modelLogDir)
}
// get list of model/dir/*.sqlite files
pathLst := []string{}
err := filepath.Walk(modelDir, func(src string, info os.FileInfo, err error) error {
if err != nil {
if err != filepath.SkipDir {
omppLog.Log("Error at refresh model catalog, path: ", src, " : ", err.Error())
}
return err
}
if strings.EqualFold(filepath.Ext(src), ".sqlite") {
pathLst = append(pathLst, src)
}
return nil
})
if err != nil {
omppLog.Log("Error: fail to list model directory: ", err.Error())
return errors.New("Error: fail to list model directory")
}
sort.Strings(pathLst) // sort by path to model.sqlite: same as sort by model name in default case
// make list of models from model.sqlite files:
// open db connection to model.sqlite and read list of model_dic rows.
// if model exist in multiple sqlite files then only one is used.
var mLst []modelDef
for _, fp := range pathLst {
// open db connection and check version of openM++ database
dbc, _, err := db.Open(db.MakeSqliteDefault(fp), db.SQLiteDbDriver, false)
if err != nil {
omppLog.Log("Error: ", fp, " : ", err.Error())
continue
}
if err := db.CheckOpenmppSchemaVersion(dbc); err != nil {
omppLog.Log("Error: invalid database, likely not an openM++ database", fp)
dbc.Close()
}
dbDir := filepath.Dir(fp)
dbPath, err := filepath.Abs(fp)
if err != nil {
omppLog.Log("Error: ", fp, " : ", err.Error())
continue
}
dbRel, err := filepath.Rel(modelDir, dbDir)
if err != nil {
omppLog.Log("Error: ", fp, " : ", err.Error())
continue
}
// read list of models: model_dic rows
dicLst, err := db.GetModelList(dbc)
if err != nil || len(dicLst) <= 0 {
omppLog.Log("Warning: empty database, no models found: ", fp)
dbc.Close()
continue // skip this database
}
ls, err := db.GetLanguages(dbc)
if err != nil || ls == nil {
omppLog.Log("Warning: no languages found in database: ", fp)
dbc.Close()
continue // skip this database
}
// append to list of models if not already exist
dicLoop:
for idx := range dicLst {
// skip model if same digest already exist in model list
for k := range mLst {
if dicLst[idx].Digest == mLst[k].meta.Model.Digest {
omppLog.Log("Skip: model already exist in other database: ", dicLst[idx].Name, " ", dicLst[idx].Digest)
continue dicLoop
}
}
// make model languages list, starting from default language
ml := []string{}
lt := []language.Tag{}
for k := range ls.Lang {
if ls.Lang[k].LangCode == dicLst[idx].DefaultLangCode {
ml = append([]string{ls.Lang[k].LangCode}, ml...)
lt = append([]language.Tag{language.Make(ls.Lang[k].LangCode)}, lt...)
} else {
ml = append(ml, ls.Lang[k].LangCode)
lt = append(lt, language.Make(ls.Lang[k].LangCode))
}
}
// read model extra content from models/bin/dir/model.extra.json
me := ""
if bt, err := os.ReadFile(filepath.Join(dbDir, dicLst[idx].Name+".extra.json")); err == nil {
me = string(bt)
}
// append to model list
mLst = append(mLst, modelDef{
dbConn: dbc,
binDir: dbDir,
dbPath: dbPath,
relDir: filepath.ToSlash(dbRel),
logDir: modelLogDir,
isLogDir: isLogDir,
isMetaFull: false,
meta: &db.ModelMeta{Model: dicLst[idx]},
langCodes: ml,
langMeta: ls,
matcher: language.NewMatcher(lt),
extra: me})
}
}
// lock and update model catalog
mc.theLock.Lock()
defer mc.theLock.Unlock()
// update model directories
mc.modelDir = modelDir
mc.isDirEnabled = isDir
mc.modelLogDir = modelLogDir
mc.isLogDirEnabled = isLogDir
// close existing connections and store updated list of models and db connections
for k := range mc.modelLst {
if err := mc.modelLst[k].dbConn.Close(); err != nil {
omppLog.Log("Error: close db connection error: " + err.Error())
}
}
mc.modelLst = mLst // set new list of the models
return nil
}
// close all db-connection to model.sqlite files and clear model list.
func (mc *ModelCatalog) close() error {
// lock and update model catalog
mc.theLock.Lock()
defer mc.theLock.Unlock()
// close existing db connections
var firstErr error
for k := range mc.modelLst {
if err := mc.modelLst[k].dbConn.Close(); err != nil {
omppLog.Log("Error: close db connection error: " + err.Error())
if firstErr == nil {
firstErr = err
}
}
}
// clear model list
mc.modelLst = []modelDef{}
return firstErr
}
// getNewTimeStamp return new unique timestamp and source time of it.
func (mc *ModelCatalog) getNewTimeStamp() (string, time.Time) {
mc.theLock.Lock()
defer mc.theLock.Unlock()
dtNow := time.Now()
ts := helper.MakeTimeStamp(dtNow)
if ts == mc.lastTimeStamp {
time.Sleep(2 * time.Millisecond)
dtNow = time.Now()
ts = helper.MakeTimeStamp(dtNow)
}
mc.lastTimeStamp = ts
return ts, dtNow
}