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|
package sasl
import (
"net"
"strconv"
"golang.org/x/net/context"
)
// unexported to prevent collisions with context keys defined in
// other packages.
type _key int
// If this package defined other context keys, they would have
// different integer values.
const (
statusKey _key = iota
bindingAddressKey // bind address for login-related network ops
bindingPortKey // port to bind auth listener if a specific port is needed
)
func withStatus(ctx context.Context, s statusType) context.Context {
return context.WithValue(ctx, statusKey, s)
}
func statusFrom(ctx context.Context) statusType {
s, ok := ctx.Value(statusKey).(statusType)
if !ok {
panic("missing status in context")
}
return s
}
func WithBindingAddress(ctx context.Context, address net.IP) context.Context {
return context.WithValue(ctx, bindingAddressKey, address)
}
func BindingAddressFrom(ctx context.Context) net.IP {
obj := ctx.Value(bindingAddressKey)
if addr, ok := obj.(net.IP); ok {
return addr
} else {
return nil
}
}
func WithBindingPort(ctx context.Context, port uint16) context.Context {
return context.WithValue(ctx, bindingPortKey, port)
}
func BindingPortFrom(ctx context.Context) string {
if port, ok := ctx.Value(bindingPortKey).(uint16); ok {
return strconv.Itoa(int(port))
}
return "0"
}
|
