From 69bbaa809c5cb31af7e039b7518826914aaaba70 Mon Sep 17 00:00:00 2001
From: LJ <rankjie@gmail.com>
Date: Sat, 7 Sep 2019 11:05:19 +0200
Subject: [PATCH] rule: log next dialer in verbose mode. (#92)

Print out the next dialer is useful when a particular website does not load completely, and it helps when updating config rules.
---
 rule/rule.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/rule/rule.go b/rule/rule.go
index 5c9aedd..67f4698 100644
--- a/rule/rule.go
+++ b/rule/rule.go
@@ -99,12 +99,16 @@ func (rd *Dialer) NextDialer(dstAddr string) proxy.Dialer {
 
 // Dial dials to targer addr and return a conn
 func (rd *Dialer) Dial(network, addr string) (net.Conn, error) {
-	return rd.NextDialer(addr).Dial(network, addr)
+	d := rd.NextDialer(addr)
+	log.F("[Dial] %s => %s", addr, d.Addr())
+	return d.Dial(network, addr)
 }
 
 // DialUDP connects to the given address via the proxy
 func (rd *Dialer) DialUDP(network, addr string) (pc net.PacketConn, writeTo net.Addr, err error) {
-	return rd.NextDialer(addr).DialUDP(network, addr)
+	d := rd.NextDialer(addr)
+	log.F("[DialUDP] %s => %s", addr, d.Addr())
+	return d.DialUDP(network, addr)
 }
 
 // AddDomainIP used to update ipMap rules according to domainMap rule