From a50ef77dfa8c56bf7e580d3eab9a5f6c89e8712a Mon Sep 17 00:00:00 2001
From: zfl9 <zfl9.com@gmail.com>
Date: Wed, 4 Mar 2020 22:09:53 +0800
Subject: use libev instead of libuv

---
 dnsudp2tcp.c |  30 +++++++++++++++++++++++++++---
 test         | Bin 75832 -> 75992 bytes
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/dnsudp2tcp.c b/dnsudp2tcp.c
index b96ed30..ba4c811 100644
--- a/dnsudp2tcp.c
+++ b/dnsudp2tcp.c
@@ -347,13 +347,37 @@ int main(int argc, char *argv[]) {
 
     g_event_loop = ev_default_loop(0);
 
-    int udp_sfd = socket(g_listen_skaddr.sin6_family, SOCK_DGRAM, 0);
-    if (udp_sfd < 0) {
+    int sockfd = socket(g_listen_skaddr.sin6_family, SOCK_DGRAM, 0);
+    if (sockfd < 0) {
         LOGERR("[main] create udp socket failed: (%d) %s", errno, strerror(errno));
         return errno;
     }
 
-    // TODO
+    set_nonblock(sockfd);
+    set_reuseaddr(sockfd);
+    if (g_options & OPT_REUSE_PORT) set_reuseport(sockfd);
+    if (g_options & OPT_IPV6_V6ONLY) set_ipv6only(sockfd);
+
+    if (bind(sockfd, (void *)&g_listen_skaddr, g_listen_skaddr.sin6_family == AF_INET ? sizeof(skaddr4_t) : sizeof(skaddr6_t)) < 0) {
+        LOGERR("[main] bind udp address failed: (%d) %s", errno, strerror(errno));
+        return errno;
+    }
 
+    ev_io_init(&g_udp_watcher, udp_recv_cb, sockfd, EV_READ);
+    ev_io_start(g_event_loop, &g_udp_watcher);
+
+    ev_run(g_event_loop, 0);
     return 0;
 }
+
+static void udp_recv_cb(evloop_t *evloop, evio_t *watcher, int events) {
+    // TODO
+}
+
+static void tcp_send_cb(evloop_t *evloop, evio_t *watcher, int events) {
+    // TODO
+}
+
+static void tcp_recv_cb(evloop_t *evloop, evio_t *watcher, int events) {
+    // TODO
+}
diff --git a/test b/test
index ffdc283..dc25767 100755
Binary files a/test and b/test differ
-- 
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