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