package roadrunner
import (
"fmt"
"time"
)
// Config defines basic behaviour of worker creation and handling process.
type Config struct {
// NumWorkers defines how many sub-processes can be run at once. This value
// might be doubled by Swapper while hot-swap.
NumWorkers uint64
// MaxExecutions defines how many executions is allowed for the worker until
// it's destruction. set 1 to create new process for each new task, 0 to let
// worker handle as many tasks as it can.
MaxExecutions uint64
// AllocateTimeout defines for how long pool will be waiting for a worker to
// be freed to handle the task.
AllocateTimeout time.Duration
// DestroyTimeout defines for how long pool should be waiting for worker to
// properly stop, if timeout reached worker will be killed.
DestroyTimeout time.Duration
}
// Valid returns error if config not valid
func (cfg *Config) Valid() error {
if cfg.NumWorkers == 0 {
return fmt.Errorf("config.NumWorkers must be set")
}
if cfg.AllocateTimeout == 0 {
return fmt.Errorf("config.AllocateTimeout must be set")
}
if cfg.DestroyTimeout == 0 {
return fmt.Errorf("config.DestroyTimeout must be set")
}
return nil
}
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