feature: cosockets nonblocking listen accept feature

src/ngx_http_lua_socket_tcp.h

@@ -22,6 +22,9 @@
 #define NGX_HTTP_LUA_SOCKET_FT_SSL           0x0100
 
 
+typedef struct ngx_http_lua_socket_tcp_server_s
+        ngx_http_lua_socket_tcp_server_t;
+
 typedef struct ngx_http_lua_socket_tcp_upstream_s
         ngx_http_lua_socket_tcp_upstream_t;
 
@@ -30,6 +33,10 @@ typedef
     int (*ngx_http_lua_socket_tcp_retval_handler)(ngx_http_request_t *r,
         ngx_http_lua_socket_tcp_upstream_t *u, lua_State *L);
 
+typedef
+    int (*ngx_http_lua_socket_tcp_server_retval_handler)(ngx_http_request_t *r,
+        ngx_http_lua_socket_tcp_server_t *s, lua_State *L);
+
 
 typedef void (*ngx_http_lua_socket_tcp_upstream_handler_pt)
     (ngx_http_request_t *r, ngx_http_lua_socket_tcp_upstream_t *u);
@@ -72,6 +79,21 @@ typedef struct {
 
 } ngx_http_lua_socket_pool_t;
 
+struct ngx_http_lua_socket_tcp_server_s {
+    ngx_http_lua_socket_tcp_server_retval_handler   prepare_retvals;
+
+    ngx_str_t                       host;
+    int                             port;
+    ngx_listening_t                 *listening;
+    ngx_http_request_t              *request;
+    ngx_connection_t                *connection;
+    ngx_http_cleanup_pt             *cleanup;
+
+    ngx_http_lua_co_ctx_t           *co_ctx;
+
+    unsigned                         ft_type:16;
+    unsigned                         accept_waiting:1;
+};
 
 struct ngx_http_lua_socket_tcp_upstream_s {
     ngx_http_lua_socket_tcp_retval_handler          read_prepare_retvals;

t/062-count.t

@@ -459,7 +459,7 @@ worker: 4
 --- request
 GET /test
 --- response_body
-n = 13
+n = 15
 --- no_error_log
 [error]