add reload and plugin support for hop

config/parsing/selector/parse.go

@@ -0,0 +1,75 @@
+package selector
+
+import (
+	"github.com/go-gost/core/chain"
+	"github.com/go-gost/core/selector"
+	"github.com/go-gost/x/config"
+	xs "github.com/go-gost/x/selector"
+)
+
+func ParseChainSelector(cfg *config.SelectorConfig) selector.Selector[chain.Chainer] {
+	if cfg == nil {
+		return nil
+	}
+
+	var strategy selector.Strategy[chain.Chainer]
+	switch cfg.Strategy {
+	case "round", "rr":
+		strategy = xs.RoundRobinStrategy[chain.Chainer]()
+	case "random", "rand":
+		strategy = xs.RandomStrategy[chain.Chainer]()
+	case "fifo", "ha":
+		strategy = xs.FIFOStrategy[chain.Chainer]()
+	case "hash":
+		strategy = xs.HashStrategy[chain.Chainer]()
+	default:
+		strategy = xs.RoundRobinStrategy[chain.Chainer]()
+	}
+	return xs.NewSelector(
+		strategy,
+		xs.FailFilter[chain.Chainer](cfg.MaxFails, cfg.FailTimeout),
+		xs.BackupFilter[chain.Chainer](),
+	)
+}
+
+func ParseNodeSelector(cfg *config.SelectorConfig) selector.Selector[*chain.Node] {
+	if cfg == nil {
+		return nil
+	}
+
+	var strategy selector.Strategy[*chain.Node]
+	switch cfg.Strategy {
+	case "round", "rr":
+		strategy = xs.RoundRobinStrategy[*chain.Node]()
+	case "random", "rand":
+		strategy = xs.RandomStrategy[*chain.Node]()
+	case "fifo", "ha":
+		strategy = xs.FIFOStrategy[*chain.Node]()
+	case "hash":
+		strategy = xs.HashStrategy[*chain.Node]()
+	default:
+		strategy = xs.RoundRobinStrategy[*chain.Node]()
+	}
+
+	return xs.NewSelector(
+		strategy,
+		xs.FailFilter[*chain.Node](cfg.MaxFails, cfg.FailTimeout),
+		xs.BackupFilter[*chain.Node](),
+	)
+}
+
+func DefaultNodeSelector() selector.Selector[*chain.Node] {
+	return xs.NewSelector(
+		xs.RoundRobinStrategy[*chain.Node](),
+		xs.FailFilter[*chain.Node](xs.DefaultMaxFails, xs.DefaultFailTimeout),
+		xs.BackupFilter[*chain.Node](),
+	)
+}
+
+func DefaultChainSelector() selector.Selector[chain.Chainer] {
+	return xs.NewSelector(
+		xs.RoundRobinStrategy[chain.Chainer](),
+		xs.FailFilter[chain.Chainer](xs.DefaultMaxFails, xs.DefaultFailTimeout),
+		xs.BackupFilter[chain.Chainer](),
+	)
+}