66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
package counters
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import "database/sql"
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import ".."
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import "../../query_gen/lib"
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var OSViewCounter *DefaultOSViewCounter
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type DefaultOSViewCounter struct {
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buckets []*RWMutexCounterBucket //[OSID]count
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insert *sql.Stmt
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}
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func NewDefaultOSViewCounter() (*DefaultOSViewCounter, error) {
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acc := qgen.Builder.Accumulator()
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var osBuckets = make([]*RWMutexCounterBucket, len(osMapEnum))
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for bucketID, _ := range osBuckets {
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osBuckets[bucketID] = &RWMutexCounterBucket{counter: 0}
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}
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counter := &DefaultOSViewCounter{
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buckets: osBuckets,
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insert: acc.Insert("viewchunks_systems").Columns("count, createdAt, system").Fields("?,UTC_TIMESTAMP(),?").Prepare(),
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}
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common.AddScheduledFifteenMinuteTask(counter.Tick)
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//common.AddScheduledSecondTask(counter.Tick)
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common.AddShutdownTask(counter.Tick)
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return counter, acc.FirstError()
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}
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func (counter *DefaultOSViewCounter) 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 *DefaultOSViewCounter) insertChunk(count int, os int) error {
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if count == 0 {
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return nil
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}
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var osName = reverseOSMapEnum[os]
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common.DebugLogf("Inserting a viewchunk with a count of %d for OS %s (%d)", count, osName, os)
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_, err := counter.insert.Exec(count, osName)
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return err
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}
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func (counter *DefaultOSViewCounter) Bump(id int) {
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// TODO: Test this check
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common.DebugDetail("counter.buckets[", id, "]: ", counter.buckets[id])
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if len(counter.buckets) <= id || id < 0 {
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return
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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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}
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