synchronized with lua-nginx-module #53519cd.

feature: allowed sending boolean and nil values in cosockets.

Thanks spacewander for the upstream patch.

Author: thibaultcha

src/subsys/ngx_subsys_lua_socket_tcp.c.tt2

@@ -2859,6 +2859,20 @@ ngx_[% subsys %]_lua_socket_tcp_send(lua_State *L)
             len = ngx_[% subsys %]_lua_calc_strlen_in_table(L, 2, 2, 1 /* strict */);
             break;
 
+        case LUA_TNIL:
+            len = sizeof("nil") - 1;
+            break;
+
+        case LUA_TBOOLEAN:
+            if (lua_toboolean(L, 2)) {
+                len = sizeof("true") - 1;
+
+            } else {
+                len = sizeof("false") - 1;
+            }
+
+            break;
+
         default:
             msg = lua_pushfstring(L, "string, number, boolean, nil, "
                                   "or array table expected, got %s",
@@ -2894,6 +2908,29 @@ ngx_[% subsys %]_lua_socket_tcp_send(lua_State *L)
             b->last = ngx_[% subsys %]_lua_copy_str_in_table(L, -1, b->last);
             break;
 
+        case LUA_TNIL:
+            *b->last++ = 'n';
+            *b->last++ = 'i';
+            *b->last++ = 'l';
+            break;
+
+        case LUA_TBOOLEAN:
+            if (lua_toboolean(L, 2)) {
+                *b->last++ = 't';
+                *b->last++ = 'r';
+                *b->last++ = 'u';
+                *b->last++ = 'e';
+
+            } else {
+                *b->last++ = 'f';
+                *b->last++ = 'a';
+                *b->last++ = 'l';
+                *b->last++ = 's';
+                *b->last++ = 'e';
+            }
+
+            break;
+
         default:
             return luaL_error(L, "impossible to reach here");
     }

src/subsys/ngx_subsys_lua_socket_udp.c.tt2

@@ -934,6 +934,20 @@ ngx_[% subsys %]_lua_socket_udp_send(lua_State *L)
             len = ngx_[% subsys %]_lua_calc_strlen_in_table(L, 2, 2, 1 /* strict */);
             break;
 
+        case LUA_TNIL:
+            len = sizeof("nil") - 1;
+            break;
+
+        case LUA_TBOOLEAN:
+            if (lua_toboolean(L, 2)) {
+                len = sizeof("true") - 1;
+
+            } else {
+                len = sizeof("false") - 1;
+            }
+
+            break;
+
         default:
             msg = lua_pushfstring(L, "string, number, boolean, nil, "
                                   "or array table expected, got %s",
@@ -956,6 +970,32 @@ ngx_[% subsys %]_lua_socket_udp_send(lua_State *L)
             (void) ngx_[% subsys %]_lua_copy_str_in_table(L, 2, query.data);
             break;
 
+        case LUA_TNIL:
+            p = query.data;
+            *p++ = 'n';
+            *p++ = 'i';
+            *p++ = 'l';
+            break;
+
+        case LUA_TBOOLEAN:
+            p = query.data;
+
+            if (lua_toboolean(L, 2)) {
+                *p++ = 't';
+                *p++ = 'r';
+                *p++ = 'u';
+                *p++ = 'e';
+
+            } else {
+                *p++ = 'f';
+                *p++ = 'a';
+                *p++ = 'l';
+                *p++ = 's';
+                *p++ = 'e';
+            }
+
+            break;
+
         default:
             return luaL_error(L, "impossible to reach here");
     }