Move plugins to a separate repository

Signed-off-by: Valery Piashchynski <[email protected]>

1 files changed, 71 insertions, 0 deletions

diff --git a/events/pool_events.go b/events/pool_events.go
new file mode 100644
index 00000000..eb28df6a
--- /dev/null
+++ b/events/pool_events.go
@@ -0,0 +1,71 @@
+package events
+
+const (
+	// EventWorkerConstruct thrown when new worker is spawned.
+	EventWorkerConstruct P = iota + 10000
+
+	// EventWorkerDestruct thrown after worker destruction.
+	EventWorkerDestruct
+
+	// EventSupervisorError triggered when supervisor can not complete work.
+	EventSupervisorError
+
+	// EventWorkerProcessExit triggered on process wait exit
+	EventWorkerProcessExit
+
+	// EventNoFreeWorkers triggered when there are no free workers in the stack and timeout for worker allocate elapsed
+	EventNoFreeWorkers
+
+	// EventMaxMemory caused when worker consumes more memory than allowed.
+	EventMaxMemory
+
+	// EventTTL thrown when worker is removed due TTL being reached. TTL defines maximum time worker is allowed to live (seconds)
+	EventTTL
+
+	// EventIdleTTL triggered when worker spends too much time at rest.
+	EventIdleTTL
+
+	// EventExecTTL triggered when worker spends too much time doing the task (max_execution_time).
+	EventExecTTL
+
+	// EventPoolRestart triggered when pool restart is needed
+	EventPoolRestart
+)
+
+type P int64
+
+func (ev P) String() string {
+	switch ev {
+	case EventWorkerProcessExit:
+		return "EventWorkerProcessExit"
+	case EventWorkerConstruct:
+		return "EventWorkerConstruct"
+	case EventWorkerDestruct:
+		return "EventWorkerDestruct"
+	case EventSupervisorError:
+		return "EventSupervisorError"
+	case EventNoFreeWorkers:
+		return "EventNoFreeWorkers"
+	case EventMaxMemory:
+		return "EventMaxMemory"
+	case EventTTL:
+		return "EventTTL"
+	case EventIdleTTL:
+		return "EventIdleTTL"
+	case EventExecTTL:
+		return "EventExecTTL"
+	case EventPoolRestart:
+		return "EventPoolRestart"
+	}
+	return UnknownEventType
+}
+
+// PoolEvent triggered by pool on different events. Pool as also trigger WorkerEvent in case of log.
+type PoolEvent struct {
+	// Event type, see below.
+	Event P
+
+	// Payload depends on event type, typically it's worker or error.
+	Payload interface{}
+	Error   error
+}