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sessionconfig.go
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sessionconfig.go
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package task
import "time"
import "github.com/amyllz/my-go-dots/libcoap"
import log "github.com/sirupsen/logrus"
import "fmt"
type SessionConfigResponseHandler func(*SessionConfigTask, *libcoap.Pdu, *Env)
type SessionConfigTimeoutHandler func(*SessionConfigTask, *Env)
type SessionConfigTask struct {
TaskBase
message *libcoap.Pdu
interval time.Duration
responseHandler SessionConfigResponseHandler
timeoutHandler SessionConfigTimeoutHandler
current_sessionconfig_id string
}
type SessionConfigEvent struct { EventBase }
func NewSessionConfigTask(message *libcoap.Pdu, interval time.Duration, responseHandler SessionConfigResponseHandler, timeoutHandler SessionConfigTimeoutHandler) *SessionConfigTask {
return &SessionConfigTask {
newTaskBase(),
message,
interval,
responseHandler,
timeoutHandler,
"0", // fake value to avoid collision with id of ping task
}
}
func (t *SessionConfigTask) run(out chan Event) {
if t.interval == 0 {
out <- &SessionConfigEvent{ EventBase{ t } }
return
}
for {
select {
case <- t.stopChan:{
log.Debug("Current session config task ended.")
return
}
case <- time.After(t.interval):
log.Infof("Refresh session config after time = %+v", t.interval)
out <- &SessionConfigEvent{ EventBase{ t } }
}
}
}
func (e *SessionConfigEvent) Handle(env *Env) {
sessionConfigTask := e.task.(*SessionConfigTask)
currentTask := env.requests[sessionConfigTask.current_sessionconfig_id]
if currentTask != nil {
log.Debugf("Waiting for current session config message (id=%+v)to be completed...", sessionConfigTask.current_sessionconfig_id)
return
}
task := e.Task().(*SessionConfigTask)
task.message.MessageID = env.session.NewMessageID()
newTask := NewMessageTask(
task.message,
time.Duration(0),
0,
time.Duration(0),
false,
false,
func (_ *MessageTask, pdu *libcoap.Pdu, env *Env) {
task.responseHandler(task, pdu, env)
},
func (*MessageTask, *Env) {
task.timeoutHandler(task, env)
})
env.Run(newTask)
task.current_sessionconfig_id = fmt.Sprintf("%d", newTask.message.MessageID)
}
func (t *SessionConfigTask) MessageTask() *libcoap.Pdu {
return t.message
}