Compatible with low version c-ares library

matyhtf · matyhtf · commit 3b76d35e08dd · 2021-06-29T12:22:57.000+08:00
diff --git a/src/core/base.cc b/src/core/base.cc
@@ -805,7 +805,9 @@ static void swoole_fatal_error(int code, const char *format, ...) {
     exit(1);
 }
 
-size_t swDataHead::dump(char *_buf, size_t _len) {
+namespace swoole {
+//-------------------------------------------------------------------------------
+size_t DataHead::dump(char *_buf, size_t _len) {
     return sw_snprintf(_buf,
                        _len,
                        "swDataHead[%p]\n"
@@ -826,8 +828,6 @@ size_t swDataHead::dump(char *_buf, size_t _len) {
                        server_fd);
 }
 
-namespace swoole {
-//-------------------------------------------------------------------------------
 std::string dirname(const std::string &file) {
     size_t index = file.find_last_of('/');
     if (index == std::string::npos) {
diff --git a/src/network/dns.cc b/src/network/dns.cc
@@ -429,13 +429,26 @@ std::vector<std::string> dns_lookup_impl_with_cares(const char *domain, int fami
     }
 
     if (!SwooleG.dns_server_host.empty()) {
+#if (ARES_VERSION >= 0x010b00)
         struct ares_addr_port_node servers;
         servers.family = AF_INET;
         servers.next = nullptr;
         inet_pton(AF_INET, SwooleG.dns_server_host.c_str(), &servers.addr.addr4);
         servers.tcp_port = 0;
         servers.udp_port = SwooleG.dns_server_port;
         ares_set_servers_ports(ctx.channel, &servers);
+#elif (ARES_VERSION >= 0x010701)
+        struct ares_addr_node servers;
+        servers.family = AF_INET;
+        servers.next = nullptr;
+        inet_pton(AF_INET, SwooleG.dns_server_host.c_str(), &servers.addr.addr4);
+        ares_set_servers(ctx.channel, &servers);
+        if (dns_server_port != SW_DNS_SERVER_PORT) {
+            swWarn("not support to set port of dns server");
+        }
+#else
+        swWarn("not support to set dns server");
+#endif
     }
 
     ares_gethostbyname(
