gosora/common/counters/langs.go

168 lines
2.8 KiB
Go

package counters
import "database/sql"
import "github.com/Azareal/Gosora/common"
import "github.com/Azareal/Gosora/query_gen"
var LangViewCounter *DefaultLangViewCounter
var langCodes = []string{
"unknown",
"none",
"af",
"ar",
"az",
"be",
"bg",
"bs",
"ca",
"cs",
"cy",
"da",
"de",
"dv",
"el",
"en",
"eo",
"es",
"et",
"eu",
"fa",
"fi",
"fo",
"fr",
"gl",
"gu",
"he",
"hi",
"hr",
"hu",
"hy",
"id",
"is",
"it",
"ja",
"ka",
"kk",
"kn",
"ko",
"kok",
"ky",
"lt",
"lv",
"mi",
"mk",
"mn",
"mr",
"ms",
"mt",
"nb",
"nl",
"nn",
"ns",
"pa",
"pl",
"ps",
"pt",
"qu",
"ro",
"ru",
"sa",
"se",
"sk",
"sl",
"sq",
"sr",
"sv",
"sw",
"syr",
"ta",
"te",
"th",
"tl",
"tn",
"tr",
"tt",
"ts",
"uk",
"ur",
"uz",
"vi",
"xh",
"zh",
"zu",
}
type DefaultLangViewCounter struct {
buckets []*RWMutexCounterBucket //[OSID]count
codesToIndices map[string]int
insert *sql.Stmt
}
func NewDefaultLangViewCounter() (*DefaultLangViewCounter, error) {
acc := qgen.NewAcc()
var langBuckets = make([]*RWMutexCounterBucket, len(langCodes))
for bucketID, _ := range langBuckets {
langBuckets[bucketID] = &RWMutexCounterBucket{counter: 0}
}
var codesToIndices = make(map[string]int)
for index, code := range langCodes {
codesToIndices[code] = index
}
counter := &DefaultLangViewCounter{
buckets: langBuckets,
codesToIndices: codesToIndices,
insert: acc.Insert("viewchunks_langs").Columns("count, createdAt, lang").Fields("?,UTC_TIMESTAMP(),?").Prepare(),
}
common.AddScheduledFifteenMinuteTask(counter.Tick)
//common.AddScheduledSecondTask(counter.Tick)
common.AddShutdownTask(counter.Tick)
return counter, acc.FirstError()
}
func (counter *DefaultLangViewCounter) Tick() error {
for id, bucket := range counter.buckets {
var count int
bucket.RLock()
count = bucket.counter
bucket.counter = 0 // TODO: Add a SetZero method to reduce the amount of duplicate code between the OS and agent counters?
bucket.RUnlock()
err := counter.insertChunk(count, id) // TODO: Bulk insert for speed?
if err != nil {
return err
}
}
return nil
}
func (counter *DefaultLangViewCounter) insertChunk(count int, id int) error {
if count == 0 {
return nil
}
var langCode = langCodes[id]
common.DebugLogf("Inserting a viewchunk with a count of %d for lang %s (%d)", count, langCode, id)
_, err := counter.insert.Exec(count, langCode)
return err
}
func (counter *DefaultLangViewCounter) Bump(langCode string) {
id, ok := counter.codesToIndices[langCode]
if !ok {
// TODO: Tell the caller that the code's invalid
id = 0 // Unknown
}
// TODO: Test this check
common.DebugDetail("counter.buckets[", id, "]: ", counter.buckets[id])
if len(counter.buckets) <= id || id < 0 {
return
}
counter.buckets[id].Lock()
counter.buckets[id].counter++
counter.buckets[id].Unlock()
}