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engine: allow registering a "catchall" handler which receives all commands

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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
This commit is contained in:
Solomon Hykes 2014-04-24 00:36:21 -07:00
parent 9422451ac3
commit 68d3e75750
1 changed files with 12 additions and 3 deletions
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15
engine/engine.go
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@ -43,6 +43,7 @@ func unregister(name string) {
// containers by executing *jobs*.
type Engine struct {
handlers map[string]Handler
catchall Handler
hack Hack // data for temporary hackery (see hack.go)
id string
Stdout io.Writer
@ -60,6 +61,10 @@ func (eng *Engine) Register(name string, handler Handler) error {
return nil
}
func (eng *Engine) RegisterCatchall(catchall Handler) {
eng.catchall = catchall
}
// New initializes a new engine.
func New() *Engine {
eng := &Engine{
@ -113,9 +118,13 @@ func (eng *Engine) Job(name string, args ...string) *Job {
if eng.Logging {
job.Stderr.Add(utils.NopWriteCloser(eng.Stderr))
}
handler, exists := eng.handlers[name]
if exists {
job.handler = handler
if eng.catchall != nil {
job.handler = eng.catchall
} else {
handler, exists := eng.handlers[name]
if exists {
job.handler = handler
}
}
return job
}