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Diffstat (limited to 'include/haproxy/obj_type.h')
| -rw-r--r-- | include/haproxy/obj_type.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/include/haproxy/obj_type.h b/include/haproxy/obj_type.h new file mode 100644 index 0000000..1037460 --- /dev/null +++ b/include/haproxy/obj_type.h @@ -0,0 +1,213 @@ +/* + * include/haproxy/obj_type.h + * This file contains function prototypes to manipulate object types + * + * Copyright (C) 2000-2013 Willy Tarreau - w@1wt.eu + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation, version 2.1 + * exclusively. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _HAPROXY_OBJ_TYPE_H +#define _HAPROXY_OBJ_TYPE_H + +#include <haproxy/api.h> +#include <haproxy/applet-t.h> +#include <haproxy/check-t.h> +#include <haproxy/connection-t.h> +#include <haproxy/listener-t.h> +#include <haproxy/obj_type-t.h> +#include <haproxy/pool.h> +#include <haproxy/proxy-t.h> +#include <haproxy/server-t.h> +#include <haproxy/stream-t.h> + +static inline enum obj_type obj_type(const enum obj_type *t) +{ + if (!t || *t >= OBJ_TYPE_ENTRIES) + return OBJ_TYPE_NONE; + return *t; +} + +static inline const char *obj_type_name(const enum obj_type *t) +{ + switch (obj_type(t)) { + case OBJ_TYPE_NONE: return "NONE"; + case OBJ_TYPE_LISTENER: return "LISTENER"; + case OBJ_TYPE_PROXY: return "PROXY"; + case OBJ_TYPE_SERVER: return "SERVER"; + case OBJ_TYPE_APPLET: return "APPLET"; + case OBJ_TYPE_APPCTX: return "APPCTX"; + case OBJ_TYPE_CONN: return "CONN"; + case OBJ_TYPE_SRVRQ: return "SRVRQ"; + case OBJ_TYPE_SC: return "SC"; + case OBJ_TYPE_STREAM: return "STREAM"; + case OBJ_TYPE_CHECK: return "CHECK"; + default: return "!INVAL!"; + } +} + +/* Note: for convenience, we provide two versions of each function : + * - __objt_<type> : converts the pointer without any control of its + * value nor type. + * - objt_<type> : same as above except that if the pointer is NULL + * or points to a non-matching type, NULL is returned instead. + */ + +static inline struct listener *__objt_listener(enum obj_type *t) +{ + return container_of(t, struct listener, obj_type); +} + +static inline struct listener *objt_listener(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_LISTENER) + return NULL; + return __objt_listener(t); +} + +static inline struct proxy *__objt_proxy(enum obj_type *t) +{ + return container_of(t, struct proxy, obj_type); +} + +static inline struct proxy *objt_proxy(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_PROXY) + return NULL; + return __objt_proxy(t); +} + +static inline struct server *__objt_server(enum obj_type *t) +{ + return container_of(t, struct server, obj_type); +} + +static inline struct server *objt_server(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_SERVER) + return NULL; + return __objt_server(t); +} + +static inline struct applet *__objt_applet(enum obj_type *t) +{ + return container_of(t, struct applet, obj_type); +} + +static inline struct applet *objt_applet(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_APPLET) + return NULL; + return __objt_applet(t); +} + +static inline struct appctx *__objt_appctx(enum obj_type *t) +{ + return container_of(t, struct appctx, obj_type); +} + +static inline struct appctx *objt_appctx(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_APPCTX) + return NULL; + return __objt_appctx(t); +} + +static inline struct stconn *__objt_sc(enum obj_type *t) +{ + return (container_of(t, struct stconn, obj_type)); +} + +static inline struct stconn *objt_sc(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_SC) + return NULL; + return __objt_sc(t); +} + +static inline struct connection *__objt_conn(enum obj_type *t) +{ + return container_of(t, struct connection, obj_type); +} + +static inline struct connection *objt_conn(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_CONN) + return NULL; + return __objt_conn(t); +} + +static inline struct resolv_srvrq *__objt_resolv_srvrq(enum obj_type *t) +{ + return container_of(t, struct resolv_srvrq, obj_type); +} + +static inline struct resolv_srvrq *objt_resolv_srvrq(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_SRVRQ) + return NULL; + return __objt_resolv_srvrq(t); +} + +static inline struct stream *__objt_stream(enum obj_type *t) +{ + return container_of(t, struct stream, obj_type); +} + +static inline struct stream *objt_stream(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_STREAM) + return NULL; + return __objt_stream(t); +} + +static inline struct check *__objt_check(enum obj_type *t) +{ + return container_of(t, struct check, obj_type); +} + +static inline struct check *objt_check(enum obj_type *t) +{ + if (!t || *t != OBJ_TYPE_CHECK) + return NULL; + return __objt_check(t); +} + +static inline void *obj_base_ptr(enum obj_type *t) +{ + switch (obj_type(t)) { + case OBJ_TYPE_NONE: return NULL; + case OBJ_TYPE_LISTENER: return __objt_listener(t); + case OBJ_TYPE_PROXY: return __objt_proxy(t); + case OBJ_TYPE_SERVER: return __objt_server(t); + case OBJ_TYPE_APPLET: return __objt_applet(t); + case OBJ_TYPE_APPCTX: return __objt_appctx(t); + case OBJ_TYPE_CONN: return __objt_conn(t); + case OBJ_TYPE_SRVRQ: return __objt_resolv_srvrq(t); + case OBJ_TYPE_SC: return __objt_sc(t); + case OBJ_TYPE_STREAM: return __objt_stream(t); + case OBJ_TYPE_CHECK: return __objt_check(t); + default: return t; // exact pointer for invalid case + } +} + +#endif /* _HAPROXY_OBJ_TYPE_H */ + +/* + * Local variables: + * c-indent-level: 8 + * c-basic-offset: 8 + * End: + */ |