new file mode 100644
--- /dev/null
+++ b/src/event/ngx_event_connect.h
@@ -0,0 +1,43 @@
+#ifndef _NGX_EVENT_CONNECT_H_INCLUDED_
+#define _NGX_EVENT_CONNECT_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_string.h>
+#include <ngx_log.h>
+#include <ngx_event.h>
+#include <ngx_connection.h>
+
+
+typedef struct {
+    u_int32_t          addr;
+    ngx_str_t          host;
+    int                port;
+    ngx_str_t          addr_port_name;
+
+    int                fails;
+    time_t             accessed;
+} ngx_peer_t;
+
+
+typedef struct {
+    int                current;
+    int                number;
+    int                max_fails;
+    int                fail_timeout;
+
+ /* ngx_mutex_t       *mutex; */
+ /* ngx_connection_t  *cached; */
+
+    ngx_peer_t         peers[1];
+} ngx_peers_t;
+
+
+typedef struct {
+    ngx_peers_t       *peers;
+    int                cur_peer;
+    int                tries;
+} ngx_connect_peer_t;
+
+
+#endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */