Core: Add mutex to injection resolution (#4206)

* Revert "Add RequireFeaturesAsync() that works regardless order of app init"

* Add mutex to injection resolution

- Turns out we already support async DI resolution regardless of feature ordering
Previous code contain a race condition causing some resolution is lost
- Note that the new mutex cover s.pendingResolutions and s.features
but must not cover callbackResolution() due to deadlock
- Refactor some method names and simplify code

* Add OptionalFeatures injection

For example OptionalFeatures() is useful for fakedns module
This commit is contained in:
yuhan6665 2024-12-26 07:55:12 -05:00 committed by GitHub
parent a7909f8671
commit 42aea01fb5
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12 changed files with 107 additions and 93 deletions

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@ -4,6 +4,7 @@ import (
"context"
"github.com/xtls/xray-core/app/observatory"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/core"
"github.com/xtls/xray-core/features/extension"
@ -20,9 +21,10 @@ func (l *LeastPingStrategy) GetPrincipleTarget(strings []string) []string {
func (l *LeastPingStrategy) InjectContext(ctx context.Context) {
l.ctx = ctx
core.RequireFeaturesAsync(l.ctx, func(observatory extension.Observatory) {
common.Must(core.RequireFeatures(l.ctx, func(observatory extension.Observatory) error {
l.observatory = observatory
})
return nil
}))
}
func (l *LeastPingStrategy) PickOutbound(strings []string) string {