66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
package counters
|
|
|
|
import "database/sql"
|
|
import ".."
|
|
import "../../query_gen/lib"
|
|
|
|
var OSViewCounter *DefaultOSViewCounter
|
|
|
|
type DefaultOSViewCounter struct {
|
|
osBuckets []*RWMutexCounterBucket //[OSID]count
|
|
insert *sql.Stmt
|
|
}
|
|
|
|
func NewDefaultOSViewCounter() (*DefaultOSViewCounter, error) {
|
|
acc := qgen.Builder.Accumulator()
|
|
var osBuckets = make([]*RWMutexCounterBucket, len(osMapEnum))
|
|
for bucketID, _ := range osBuckets {
|
|
osBuckets[bucketID] = &RWMutexCounterBucket{counter: 0}
|
|
}
|
|
counter := &DefaultOSViewCounter{
|
|
osBuckets: osBuckets,
|
|
insert: acc.Insert("viewchunks_systems").Columns("count, createdAt, system").Fields("?,UTC_TIMESTAMP(),?").Prepare(),
|
|
}
|
|
common.AddScheduledFifteenMinuteTask(counter.Tick)
|
|
//common.AddScheduledSecondTask(counter.Tick)
|
|
common.AddShutdownTask(counter.Tick)
|
|
return counter, acc.FirstError()
|
|
}
|
|
|
|
func (counter *DefaultOSViewCounter) Tick() error {
|
|
for osID, osBucket := range counter.osBuckets {
|
|
var count int
|
|
osBucket.RLock()
|
|
count = osBucket.counter
|
|
osBucket.counter = 0 // TODO: Add a SetZero method to reduce the amount of duplicate code between the OS and agent counters?
|
|
osBucket.RUnlock()
|
|
|
|
err := counter.insertChunk(count, osID) // TODO: Bulk insert for speed?
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (counter *DefaultOSViewCounter) insertChunk(count int, os int) error {
|
|
if count == 0 {
|
|
return nil
|
|
}
|
|
var osName = reverseOSMapEnum[os]
|
|
common.DebugLogf("Inserting a viewchunk with a count of %d for OS %s (%d)", count, osName, os)
|
|
_, err := counter.insert.Exec(count, osName)
|
|
return err
|
|
}
|
|
|
|
func (counter *DefaultOSViewCounter) Bump(os int) {
|
|
// TODO: Test this check
|
|
common.DebugDetail("counter.osBuckets[", os, "]: ", counter.osBuckets[os])
|
|
if len(counter.osBuckets) <= os || os < 0 {
|
|
return
|
|
}
|
|
counter.osBuckets[os].Lock()
|
|
counter.osBuckets[os].counter++
|
|
counter.osBuckets[os].Unlock()
|
|
}
|