added load balance support and verbose level

src/go-proxy/http_lbpool.go

@@ -0,0 +1,22 @@
+package main
+
+import "sync/atomic"
+
+type httpLoadBalancePool struct {
+	pool        []*HTTPRoute
+	curentIndex atomic.Int32
+}
+
+func NewHTTPLoadBalancePool() *httpLoadBalancePool {
+	return &httpLoadBalancePool{
+		pool: make([]*HTTPRoute, 0),
+	}
+}
+
+func (p *httpLoadBalancePool) Add(route *HTTPRoute) {
+	p.pool = append(p.pool, route)
+}
+
+func (p *httpLoadBalancePool) Iterator() []*HTTPRoute {
+	return p.pool
+}