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vrt.h

/*-
 * Copyright (c) 2006 Verdens Gang AS
 * Copyright (c) 2006 Linpro AS
 * All rights reserved.
 *
 * Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: vrt.h 1096 2006-09-20 07:50:27Z des $
 *
 * Runtime support for compiled VCL programs.
 *
 * XXX: When this file is changed, lib/libvcl/vcc_gen_fixed_token.tcl
 * XXX: *MUST* be rerun.
 */

struct sess;
struct vsb;
struct backend;
struct VCL_conf;

struct vrt_ref {
      unsigned    file;
      unsigned    line;
      unsigned    pos;
      unsigned    count;
      const char  *token;
};

struct vrt_acl {
      unsigned char     not;
      unsigned char     mask;
      unsigned char     paren;
      const char  *name;
      const char  *desc;
      void        *priv;
};

/* ACL related */
int VRT_acl_match(struct sess *, const char *, struct vrt_acl *);
void VRT_acl_init(struct vrt_acl *);
void VRT_acl_fini(struct vrt_acl *);

/* Regexp related */
void VRT_re_init(void **, const char *);
void VRT_re_fini(void *);
int VRT_re_match(const char *, void *re);
int VRT_re_test(struct vsb *, const char *);

void VRT_count(struct sess *, unsigned);
int VRT_rewrite(const char *, const char *);
void VRT_error(struct sess *, unsigned, const char *);
int VRT_switch_config(const char *);

char *VRT_GetHdr(struct sess *, int where, const char *);
void VRT_handling(struct sess *sp, unsigned hand);

/* Backend related */
void VRT_set_backend_name(struct backend *, const char *);
void VRT_alloc_backends(struct VCL_conf *cp);
void VRT_free_backends(struct VCL_conf *cp);
void VRT_fini_backend(struct backend *be);


#define VRT_done(sp, hand)                \
      do {                          \
            VRT_handling(sp, hand);       \
            return (1);             \
      } while (0)

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