1 /* 2 * include/types/obj_type.h 3 * This file declares some object types for use in various structures. 4 * 5 * Copyright (C) 2000-2013 Willy Tarreau - w@1wt.eu 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation, version 2.1 10 * exclusively. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 #ifndef _TYPES_OBJ_TYPE_H 23 #define _TYPES_OBJ_TYPE_H 24 25 /* The principle is to be able to change the type of a pointer by pointing 26 * it directly to an object type. The object type indicates the format of the 27 * structure holing the type, and this is used to retrieve the pointer to the 28 * beginning of the structure. Doing so saves us from having to maintain both 29 * a pointer and a type for elements such as connections which can point to 30 * various types of objects. 31 */ 32 33 /* object types : these ones take the same space as a char */ 34 enum obj_type { 35 OBJ_TYPE_NONE = 0, /* pointer is NULL by definition */ 36 OBJ_TYPE_LISTENER, /* object is a struct listener */ 37 OBJ_TYPE_PROXY, /* object is a struct proxy */ 38 OBJ_TYPE_SERVER, /* object is a struct server */ 39 OBJ_TYPE_APPLET, /* object is a struct applet */ 40 OBJ_TYPE_APPCTX, /* object is a struct appctx */ 41 OBJ_TYPE_CONN, /* object is a struct connection */ 42 OBJ_TYPE_SRVRQ, /* object is a struct dns_srvrq */ 43 OBJ_TYPE_CS, /* object is a struct conn_stream */ 44 OBJ_TYPE_STREAM, /* object is a struct stream */ 45 OBJ_TYPE_ENTRIES /* last one : number of entries */ 46 } __attribute__((packed)) ; 47 48 #endif /* _TYPES_OBJ_TYPE_H */ 49 50 /* 51 * Local variables: 52 * c-indent-level: 8 53 * c-basic-offset: 8 54 * End: 55 */ 56