From 80ac53162368b5e34cac92136ad9886935032b04 Mon Sep 17 00:00:00 2001
From: lihuiba <huiba.lhb@alibaba-inc.com>
Date: Wed, 25 Dec 2024 16:31:03 +0800
Subject: [PATCH] redefine undefined() in EndPoint

---
 net/socket.h           | 12 +++++++++++-
 net/test/test-ipv6.cpp |  2 +-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/net/socket.h b/net/socket.h
index 415f4d79..af68f436 100644
--- a/net/socket.h
+++ b/net/socket.h
@@ -45,6 +45,7 @@ namespace net {
     public:
         union {
             in6_addr addr = {};
+            // all data is in network byte order
             struct { uint16_t _1, _2, _3, _4, _5, _6; uint8_t a, b, c, d; };
         } __attribute__((packed));
         // For compatibility, the default constructor is still 0.0.0.0 (IPv4)
@@ -96,6 +97,8 @@ namespace net {
         bool undefined() const {
             return mem_equal(V4Any());
         }
+        void reset() { *this = IPAddr(); }
+        void clear() { reset(); }
         // Should ONLY be used for IPv4 address
         uint32_t to_nl() const {
             assert(is_ipv4());
@@ -167,7 +170,14 @@ namespace net {
             return !operator==(rhs);
         }
         bool undefined() const {
-            return addr.undefined();
+            return addr.undefined() && port == 0;
+        }
+        void reset() {
+            addr.reset();
+            port = 0;
+        }
+        void clear() {
+            reset();
         }
     };
 
diff --git a/net/test/test-ipv6.cpp b/net/test/test-ipv6.cpp
index b05d2f47..f41836ed 100644
--- a/net/test/test-ipv6.cpp
+++ b/net/test/test-ipv6.cpp
@@ -14,7 +14,7 @@ TEST(ipv6, endpoint) {
     c = photon::net::EndPoint("[::1]:8888");
     EXPECT_FALSE(c.undefined());
     c = photon::net::EndPoint("0.0.0.0:8888");
-    EXPECT_TRUE(c.undefined());
+    EXPECT_FALSE(c.undefined());
     EXPECT_EQ(8888, c.port);
     c = photon::net::EndPoint("::", 8888);
     EXPECT_TRUE(!c.undefined());