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