From 35fdfcdb22b81cbcd2af22ab0ec030b6d5aec426 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?fengbojiang=28=E5=A7=9C=E5=87=A4=E6=B3=A2=29?=
 <fengbojiang@tencent.com>
Date: Thu, 8 Aug 2019 22:03:57 +0800
Subject: [PATCH] helloword sever demo support IPv6.

---
 example/main.c | 52 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 43 insertions(+), 9 deletions(-)

diff --git a/example/main.c b/example/main.c
index 73752bd98..78ba53b37 100644
--- a/example/main.c
+++ b/example/main.c
@@ -21,6 +21,9 @@ struct kevent events[MAX_EVENTS];
 /* kq */
 int kq;
 int sockfd;
+#ifdef INET6
+int sockfd6;
+#endif
 
 char html[] = 
 "HTTP/1.1 200 OK\r\n"
@@ -68,10 +71,14 @@ int loop(void *arg)
         if (event.flags & EV_EOF) {
             /* Simply close socket */
             ff_close(clientfd);
+#ifdef INET6
+        } else if (clientfd == sockfd || clientfd == sockfd6) {
+#else
         } else if (clientfd == sockfd) {
+#endif
             int available = (int)event.data;
             do {
-                int nclientfd = ff_accept(sockfd, NULL, NULL);
+                int nclientfd = ff_accept(clientfd, NULL, NULL);
                 if (nclientfd < 0) {
                     printf("ff_accept failed:%d, %s\n", errno,
                         strerror(errno));
@@ -104,10 +111,11 @@ int main(int argc, char * argv[])
 {
     ff_init(argc, argv);
 
+    assert((kq = ff_kqueue()) > 0);
+
     sockfd = ff_socket(AF_INET, SOCK_STREAM, 0);
-    printf("sockfd:%d\n", sockfd);
     if (sockfd < 0) {
-        printf("ff_socket failed\n");
+        printf("ff_socket failed, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
         exit(1);
     }
 
@@ -119,23 +127,49 @@ int main(int argc, char * argv[])
 
     int ret = ff_bind(sockfd, (struct linux_sockaddr *)&my_addr, sizeof(my_addr));
     if (ret < 0) {
-        printf("ff_bind failed\n");
+        printf("ff_bind failed, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
         exit(1);
     }
 
-    ret = ff_listen(sockfd, MAX_EVENTS);
+     ret = ff_listen(sockfd, MAX_EVENTS);
     if (ret < 0) {
-        printf("ff_listen failed\n");
+        printf("ff_listen failed, sockfd:%d, errno:%d, %s\n", sockfd, errno, strerror(errno));
         exit(1);
     }
 
     EV_SET(&kevSet, sockfd, EVFILT_READ, EV_ADD, 0, MAX_EVENTS, NULL);
-
-    assert((kq = ff_kqueue()) > 0);
-
     /* Update kqueue */
     ff_kevent(kq, &kevSet, 1, NULL, 0, NULL);
 
+#ifdef INET6
+    sockfd6 = ff_socket(AF_INET6, SOCK_STREAM, 0);
+    if (sockfd6 < 0) {
+        printf("ff_socket failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
+        exit(1);
+    }
+
+    struct sockaddr_in6 my_addr6;
+    bzero(&my_addr6, sizeof(my_addr6));
+    my_addr6.sin6_family = AF_INET6;
+    my_addr6.sin6_port = htons(80);
+    my_addr6.sin6_addr = in6addr_any;
+
+    ret = ff_bind(sockfd6, (struct linux_sockaddr *)&my_addr6, sizeof(my_addr6));
+    if (ret < 0) {
+        printf("ff_bind failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
+        exit(1);
+    }
+
+    ret = ff_listen(sockfd6, MAX_EVENTS);
+    if (ret < 0) {
+        printf("ff_listen failed, sockfd6:%d, errno:%d, %s\n", sockfd6, errno, strerror(errno));
+        exit(1);
+    }
+
+    EV_SET(&kevSet, sockfd6, EVFILT_READ, EV_ADD, 0, MAX_EVENTS, NULL);
+    ff_kevent(kq, &kevSet, 1, NULL, 0, NULL);
+#endif
+
     ff_run(loop, NULL);
     return 0;
 }