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|
package websockets
import (
"strings"
"time"
"github.com/spiral/errors"
"github.com/spiral/roadrunner/v2/pkg/pool"
)
/*
websockets:
broker: default
allowed_origin: "*"
path: "/ws"
*/
// Config represents configuration for the ws plugin
type Config struct {
// http path for the websocket
Path string `mapstructure:"path"`
AllowedOrigin string `mapstructure:"allowed_origin"`
Broker string `mapstructure:"broker"`
// wildcard origin
allowedWOrigins []wildcard
allowedOrigins []string
allowedAll bool
// Pool with the workers for the websockets
Pool *pool.Config `mapstructure:"pool"`
}
// InitDefault initialize default values for the ws config
func (c *Config) InitDefault() error {
if c.Path == "" {
c.Path = "/ws"
}
// broker is mandatory
if c.Broker == "" {
return errors.Str("broker key should be specified")
}
if c.Pool == nil {
c.Pool = &pool.Config{}
if c.Pool.NumWorkers == 0 {
// 2 workers by default
c.Pool.NumWorkers = 2
}
if c.Pool.AllocateTimeout == 0 {
c.Pool.AllocateTimeout = time.Minute
}
if c.Pool.DestroyTimeout == 0 {
c.Pool.DestroyTimeout = time.Minute
}
if c.Pool.Supervisor != nil {
c.Pool.Supervisor.InitDefaults()
}
}
if c.AllowedOrigin == "" {
c.AllowedOrigin = "*"
}
// Normalize
origin := strings.ToLower(c.AllowedOrigin)
if origin == "*" {
// If "*" is present in the list, turn the whole list into a match all
c.allowedAll = true
return nil
} else if i := strings.IndexByte(origin, '*'); i >= 0 {
// Split the origin in two: start and end string without the *
w := wildcard{origin[0:i], origin[i+1:]}
c.allowedWOrigins = append(c.allowedWOrigins, w)
} else {
c.allowedOrigins = append(c.allowedOrigins, origin)
}
return nil
}
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