Rename HTTP start context

route/rule_set.go

@@ -2,9 +2,6 @@ package route
 
 import (
 	"context"
-	"net"
-	"net/http"
-	"sync"
 
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
@@ -12,8 +9,6 @@ import (
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/logger"
-	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
 
 	"go4.org/netipx"
 )
@@ -46,43 +41,3 @@ func extractIPSetFromRule(rawRule adapter.HeadlessRule) []*netipx.IPSet {
 		panic("unexpected rule type")
 	}
 }
-
-var _ adapter.RuleSetStartContext = (*RuleSetStartContext)(nil)
-
-type RuleSetStartContext struct {
-	access          sync.Mutex
-	httpClientCache map[string]*http.Client
-}
-
-func NewRuleSetStartContext() *RuleSetStartContext {
-	return &RuleSetStartContext{
-		httpClientCache: make(map[string]*http.Client),
-	}
-}
-
-func (c *RuleSetStartContext) HTTPClient(detour string, dialer N.Dialer) *http.Client {
-	c.access.Lock()
-	defer c.access.Unlock()
-	if httpClient, loaded := c.httpClientCache[detour]; loaded {
-		return httpClient
-	}
-	httpClient := &http.Client{
-		Transport: &http.Transport{
-			ForceAttemptHTTP2:   true,
-			TLSHandshakeTimeout: C.TCPTimeout,
-			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
-				return dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
-			},
-		},
-	}
-	c.httpClientCache[detour] = httpClient
-	return httpClient
-}
-
-func (c *RuleSetStartContext) Close() {
-	c.access.Lock()
-	defer c.access.Unlock()
-	for _, client := range c.httpClientCache {
-		client.CloseIdleConnections()
-	}
-}