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package caddy2
import (
"encoding/json"
"fmt"
"strings"
"time"
)
// Start runs Caddy with the given config.
func Start(cfg Config) error {
cfg.runners = make(map[string]Runner)
for modName, rawMsg := range cfg.Modules {
mod, ok := modules[modName]
if !ok {
return fmt.Errorf("unrecognized module: %s", modName)
}
val, err := LoadModule(mod, rawMsg)
if err != nil {
return fmt.Errorf("loading module '%s': %v", modName, err)
}
cfg.runners[modName] = val.(Runner)
}
for name, r := range cfg.runners {
err := r.Run()
if err != nil {
return fmt.Errorf("%s module: %v", name, err)
}
}
return nil
}
// Runner is a thing that Caddy runs.
type Runner interface {
Run() error
}
// Config represents a Caddy configuration.
type Config struct {
TestVal string `json:"testval"`
Modules map[string]json.RawMessage `json:"modules"`
runners map[string]Runner
}
// Duration is a JSON-string-unmarshable duration type.
type Duration time.Duration
// UnmarshalJSON satisfies json.Unmarshaler.
func (d *Duration) UnmarshalJSON(b []byte) (err error) {
dd, err := time.ParseDuration(strings.Trim(string(b), `"`))
cd := Duration(dd)
d = &cd
return
}
// MarshalJSON satisfies json.Marshaler.
func (d Duration) MarshalJSON() (b []byte, err error) {
return []byte(fmt.Sprintf(`"%s"`, time.Duration(d).String())), nil
}
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