60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package cmd
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import (
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"net/http"
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wisski_distillery "github.com/FAU-CDI/wisski-distillery"
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"github.com/FAU-CDI/wisski-distillery/internal/core"
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"github.com/tkw1536/goprogram/exit"
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)
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// Server is the 'server' command
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var Server wisski_distillery.Command = server{}
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type server struct {
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Prefix string `short:"p" long:"prefix" description:"prefix to listen under"`
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Bind string `short:"b" long:"bind" description:"address to listen on" default:"127.0.0.1:8888"`
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}
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func (s server) Description() wisski_distillery.Description {
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return wisski_distillery.Description{
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Requirements: core.Requirements{
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NeedsDistillery: true,
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},
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Command: "server",
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Description: "Starts a server with information about this distillery",
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}
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}
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var errServerListen = exit.Error{
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ExitCode: exit.ExitGeneric,
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Message: "Unable to listen",
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}
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func (s server) Run(context wisski_distillery.Context) error {
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dis := context.Environment
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handler, err := dis.Control().Server(dis.Context(), context.IOStream)
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if err != nil {
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return err
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}
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context.Printf("Listening on %s\n", s.Bind)
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// make a new listener
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listener, err := dis.Core.Environment.Listen("tcp", s.Bind)
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if err != nil {
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return errServerListen.Wrap(err)
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}
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go func() {
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<-dis.Context().Done()
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listener.Close()
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}()
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// and serve that listener
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err = http.Serve(listener, http.StripPrefix(s.Prefix, handler))
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if err == nil {
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return nil
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}
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return errServerListen.Wrap(err)
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}
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