/
activity.go
168 lines (140 loc) · 4.01 KB
/
activity.go
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package aggregatedpool
import (
"context"
"sync"
"sync/atomic"
"unsafe"
"github.com/roadrunner-server/errors"
"github.com/roadrunner-server/goridge/v3/pkg/frame"
"github.com/roadrunner-server/sdk/v4/payload"
"github.com/temporalio/roadrunner-temporal/v4/common"
"github.com/temporalio/roadrunner-temporal/v4/internal"
commonpb "go.temporal.io/api/common/v1"
tActivity "go.temporal.io/sdk/activity"
"go.temporal.io/sdk/temporal"
"go.uber.org/zap"
)
const (
doNotCompleteOnReturn = "doNotCompleteOnReturn"
RrMetricName string = "rr_activities_pool_queue_size"
RrWorkflowsMetricName string = "rr_workflows_pool_queue_size"
)
type Activity struct {
codec common.Codec
pool common.Pool
log *zap.Logger
seqID uint64
running sync.Map
pldPool *sync.Pool
}
func NewActivityDefinition(ac common.Codec, p common.Pool, log *zap.Logger) *Activity {
return &Activity{
log: log,
codec: ac,
pool: p,
pldPool: &sync.Pool{
New: func() any {
return new(payload.Payload)
},
},
}
}
func (a *Activity) GetActivityContext(taskToken []byte) (context.Context, error) {
const op = errors.Op("activity_pool_get_activity_context")
c, ok := a.running.Load(bytesToStr(taskToken))
if !ok {
return nil, errors.E(op, errors.Str("heartbeat on non running activity"))
}
return c.(context.Context), nil
}
func (a *Activity) execute(ctx context.Context, args *commonpb.Payloads) (*commonpb.Payloads, error) {
const op = errors.Op("activity_pool_execute_activity")
heartbeatDetails := &commonpb.Payloads{}
if tActivity.HasHeartbeatDetails(ctx) {
err := tActivity.GetHeartbeatDetails(ctx, &heartbeatDetails)
if err != nil {
return nil, errors.E(op, err)
}
}
var info = tActivity.GetInfo(ctx)
a.running.Store(bytesToStr(info.TaskToken), ctx)
mh := tActivity.GetMetricsHandler(ctx)
// if the mh is not nil, record the RR metric
if mh != nil {
mh.Gauge(RrMetricName).Update(float64(a.pool.QueueSize()))
defer mh.Gauge(RrMetricName).Update(float64(a.pool.QueueSize()))
}
var msg = &internal.Message{
ID: atomic.AddUint64(&a.seqID, 1),
Command: internal.InvokeActivity{
Name: info.ActivityType.Name,
Info: info,
HeartbeatDetails: len(heartbeatDetails.Payloads),
},
Payloads: args,
Header: common.ActivityHeadersFromCtx(ctx),
}
if len(heartbeatDetails.Payloads) != 0 {
msg.Payloads.Payloads = append(msg.Payloads.Payloads, heartbeatDetails.Payloads...)
}
pl := a.getPld()
defer a.putPld(pl)
err := a.codec.Encode(&internal.Context{TaskQueue: info.TaskQueue}, pl, msg)
if err != nil {
return nil, err
}
ch := make(chan struct{}, 1)
result, err := a.pool.Exec(ctx, pl, ch)
if err != nil {
a.running.Delete(bytesToStr(info.TaskToken))
return nil, errors.E(op, err)
}
a.running.Delete(bytesToStr(info.TaskToken))
var r *payload.Payload
select {
case pld := <-result:
if pld.Error() != nil {
return nil, errors.E(op, pld.Error())
}
// streaming is not supported
if pld.Payload().Flags&frame.STREAM != 0 {
ch <- struct{}{}
return nil, errors.E(op, errors.Str("streaming is not supported"))
}
// assign the payload
r = pld.Payload()
default:
return nil, errors.E(op, errors.Str("activity worker empty response"))
}
out := make([]*internal.Message, 0, 2)
err = a.codec.Decode(r, &out)
if err != nil {
return nil, err
}
if len(out) != 1 {
return nil, errors.E(op, errors.Str("invalid activity worker response"))
}
retPld := out[0]
if retPld.Failure != nil {
if retPld.Failure.Message == doNotCompleteOnReturn {
return nil, tActivity.ErrResultPending
}
return nil, temporal.GetDefaultFailureConverter().FailureToError(retPld.Failure)
}
return retPld.Payloads, nil
}
func (a *Activity) getPld() *payload.Payload {
return a.pldPool.Get().(*payload.Payload)
}
func (a *Activity) putPld(pld *payload.Payload) {
pld.Codec = 0
pld.Context = nil
pld.Body = nil
a.pldPool.Put(pld)
}
func bytesToStr(data []byte) string {
if len(data) == 0 {
return ""
}
return unsafe.String(unsafe.SliceData(data), len(data))
}