# Services
## Reactive
``` plantuml
@startuml
participant MainLand as main
participant Queue as queue
participant Behavior as behavior
participant XF as xf
main -> behavior: push(event)
behavior -> queue: add(event)
xf -> xf: dispatchEvent()
activate xf
xf -> queue : getEvent()
queue --> xf
xf -> behavior: processEvent()
deactivate xf
@enduml
```
## Timeout
``` plantuml
@startuml
participant TimerQueue as tq #cyan
participant Timeout as t #LawnGreen
participant TimeoutManager as tm #cyan
participant EventQueue as eq #cyan
participant MainLand as main #cyan
participant Reactive as r #yellow
r ->> tm: scheduleTimeout(tmid, evid, duration)
activate r #magenta
deactivate r
create t
tm -->> t: <>
tm ->> tq: add(tm) <>
tm ->> tq: tick()
tq ->> t: decrement()
tm ->> tq: tick()
tq ->> t: decrement()
tm ->> eq: pushEvent(tm) <>
tm ->> tq: remove(id) <>
main ->> eq: popEvent() <>
activate main #yellow
eq -->> main: ev
main ->> t: getTarget()
t -->> main: reactive
main ->> r: processEvent(ev)
activate r #magenta
r -->> main
deactivate r
main -->> t !!: <>
@enduml
```
## Protection
- Mutex, sémaphore
- éviter les conflits mémoire