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add traffic limiter for relay bind

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This commit is contained in:
ginuerzh
2025-02-18 17:37:13 +08:00
parent 2495b13053
commit d610e2dc01
4 changed files with 82 additions and 60 deletions
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handler/relay/forward.go
+24 -21
View File
@@ -38,6 +38,29 @@ func (h *relayHandler) handleForward(ctx context.Context, conn net.Conn, network
log.Debugf("%s >> %s", conn.RemoteAddr(), target.Addr)
{
clientID := ctxvalue.ClientIDFromContext(ctx)
rw := wrapper.WrapReadWriter(
h.limiter,
conn,
string(clientID),
limiter.ServiceOption(h.options.Service),
limiter.ScopeOption(limiter.ScopeClient),
limiter.NetworkOption(network),
limiter.AddrOption(target.Addr),
limiter.ClientOption(string(clientID)),
limiter.SrcOption(conn.RemoteAddr().String()),
)
if h.options.Observer != nil {
pstats := h.stats.Stats(string(clientID))
pstats.Add(stats.KindTotalConns, 1)
pstats.Add(stats.KindCurrentConns, 1)
defer pstats.Add(stats.KindCurrentConns, -1)
rw = stats_wrapper.WrapReadWriter(rw, pstats)
}
conn = xnet.NewReadWriteConn(rw, rw, conn)
}
cc, err := h.options.Router.Dial(ctx, network, target.Addr)
if err != nil {
// TODO: the router itself may be failed due to the failed node in the router,
@@ -89,29 +112,9 @@ func (h *relayHandler) handleForward(ctx context.Context, conn net.Conn, network
conn = rc
}
clientID := ctxvalue.ClientIDFromContext(ctx)
rw := wrapper.WrapReadWriter(
h.limiter,
conn,
string(clientID),
limiter.ServiceOption(h.options.Service),
limiter.ScopeOption(limiter.ScopeClient),
limiter.NetworkOption(network),
limiter.AddrOption(target.Addr),
limiter.ClientOption(string(clientID)),
limiter.SrcOption(conn.RemoteAddr().String()),
)
if h.options.Observer != nil {
pstats := h.stats.Stats(string(clientID))
pstats.Add(stats.KindTotalConns, 1)
pstats.Add(stats.KindCurrentConns, 1)
defer pstats.Add(stats.KindCurrentConns, -1)
rw = stats_wrapper.WrapReadWriter(rw, pstats)
}
t := time.Now()
log.Debugf("%s <-> %s", conn.RemoteAddr(), target.Addr)
xnet.Transport(rw, cc)
xnet.Transport(conn, cc)
log.WithFields(map[string]any{
"duration": time.Since(t),
}).Debugf("%s >-< %s", conn.RemoteAddr(), target.Addr)