rnsrk/wisski-cloud-distillery
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This commit adds and passes context around to (almost) every function.
This allows cancelling (almost) every function call globally.
This commit is contained in:
Tom Wiesing 2022-11-28 13:30:08 +01:00
parent 996ecb9f80
commit 3455f491ca
No known key found for this signature in database
104 changed files with 836 additions and 511 deletions
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12
program.go
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@ -1,6 +1,9 @@
package wisski_distillery
import (
"context"
"os"
"os/signal"
"os/user"
"github.com/FAU-CDI/wisski-distillery/internal/bootstrap"
@ -21,6 +24,7 @@ type Program = goprogram.Program[wdcliEnv, wdcliParameters, wdCliFlags, wdcliReq
type Command = goprogram.Command[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
type Context = goprogram.Context[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
type Arguments = goprogram.Arguments[wdCliFlags]
type ContextCleanupFunc = goprogram.ContextCleanupFunc[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
type Description = goprogram.Description[wdCliFlags, wdcliRequirements]
// an error when nor arguments are provided.
@ -49,6 +53,14 @@ func NewProgram() Program {
return nil
},
NewContext: func(params *wdcliParameters, parent context.Context) (context.Context, ContextCleanupFunc, error) {
if params == nil {
return parent, nil, nil
}
ctx, stop := signal.NotifyContext(parent, os.Interrupt)
return ctx, func(context *Context) { stop() }, nil
},
NewEnvironment: func(params wdcliParameters, context Context) (e wdcliEnv, err error) {
return dis.NewDistillery(params, context.Args.Flags, context.Description.Requirements)
},