/
demo.go
65 lines (50 loc) · 924 Bytes
/
demo.go
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package demo
import (
"context"
"time"
"github.com/e154/smart-home/adaptors"
"github.com/e154/smart-home/common/logger"
)
const (
ctxTimeout = 5
)
var (
log = logger.MustGetLogger("demo")
)
type Demos struct {
list map[string]Demo
}
func NewDemos(list map[string]Demo) *Demos {
return &Demos{
list: list,
}
}
func (t *Demos) InstallByName(ctx context.Context, adaptors *adaptors.Adaptors, name string) (err error) {
if name == "" {
return
}
ctx, ctxCancel := context.WithTimeout(ctx, time.Second*ctxTimeout)
defer ctxCancel()
log.Infof("install demo \"%s\" ...", name)
ch := make(chan error, 1)
go func() {
var err error
defer func() {
ch <- err
close(ch)
}()
if err = ctx.Err(); err != nil {
return
}
if err = t.list[name].Install(ctx, adaptors); err != nil {
return
}
}()
select {
case v := <-ch:
err = v
case <-ctx.Done():
err = ctx.Err()
}
return
}