gosora/common/counters/agents.go

69 lines
1.9 KiB
Go

package counters
import (
"database/sql"
c "github.com/Azareal/Gosora/common"
qgen "github.com/Azareal/Gosora/query_gen"
"github.com/pkg/errors"
)
var AgentViewCounter *DefaultAgentViewCounter
type DefaultAgentViewCounter struct {
agentBuckets []*RWMutexCounterBucket //[AgentID]count
insert *sql.Stmt
}
func NewDefaultAgentViewCounter(acc *qgen.Accumulator) (*DefaultAgentViewCounter, error) {
var agentBuckets = make([]*RWMutexCounterBucket, len(agentMapEnum))
for bucketID, _ := range agentBuckets {
agentBuckets[bucketID] = &RWMutexCounterBucket{counter: 0}
}
co := &DefaultAgentViewCounter{
agentBuckets: agentBuckets,
insert: acc.Insert("viewchunks_agents").Columns("count, createdAt, browser").Fields("?,UTC_TIMESTAMP(),?").Prepare(),
}
c.AddScheduledFifteenMinuteTask(co.Tick)
//c.AddScheduledSecondTask(co.Tick)
c.AddShutdownTask(co.Tick)
return co, acc.FirstError()
}
func (co *DefaultAgentViewCounter) Tick() error {
for agentID, agentBucket := range co.agentBuckets {
var count int
agentBucket.RLock()
count = agentBucket.counter
agentBucket.counter = 0
agentBucket.RUnlock()
err := co.insertChunk(count, agentID) // TODO: Bulk insert for speed?
if err != nil {
return errors.Wrap(errors.WithStack(err), "agent counter")
}
}
return nil
}
func (co *DefaultAgentViewCounter) insertChunk(count int, agent int) error {
if count == 0 {
return nil
}
agentName := reverseAgentMapEnum[agent]
c.DebugLogf("Inserting a vchunk with a count of %d for agent %s (%d)", count, agentName, agent)
_, err := co.insert.Exec(count, agentName)
return err
}
func (co *DefaultAgentViewCounter) Bump(agent int) {
// TODO: Test this check
c.DebugDetail("co.agentBuckets[", agent, "]: ", co.agentBuckets[agent])
if len(co.agentBuckets) <= agent || agent < 0 {
return
}
co.agentBuckets[agent].Lock()
co.agentBuckets[agent].counter++
co.agentBuckets[agent].Unlock()
}