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package roadrunner
import (
"errors"
"net"
"strings"
"time"
)
const (
FactoryPipes = iota
FactorySocket
)
// Server config combines factory, pool and cmd configurations.
type ServerConfig struct {
// Relay defines connection method and factory to be used to connect to workers:
// "pipes", "tcp://:6001", "unix://rr.sock"
// This config section must not change on re-configuration.
Relay string
// RelayTimeout defines for how long socket factory will be waiting for worker connection. This config section
// must not change on re-configuration.
RelayTimeout time.Duration
// Pool defines worker pool configuration, number of workers, timeouts and etc. This config section might change
// while server is running.
Pool Config
}
// Differs returns true if configuration has changed but ignores pool changes.
func (cfg *ServerConfig) Differs(new *ServerConfig) bool {
// factory configuration has changed
return cfg.Relay != new.Relay || cfg.RelayTimeout != new.RelayTimeout
}
// makeFactory creates and connects new factory instance based on given parameters.
func (cfg *ServerConfig) makeFactory() (Factory, error) {
if cfg.Relay == "pipes" || cfg.Relay == "pipe" {
return NewPipeFactory(), nil
}
dsn := strings.Split(cfg.Relay, "://")
if len(dsn) != 2 {
return nil, errors.New("invalid relay DSN (pipes, tcp://:6001, unix://rr.sock)")
}
ln, err := net.Listen(dsn[0], dsn[1])
if err != nil {
return nil, nil
}
return NewSocketFactory(ln, cfg.RelayTimeout), nil
}
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