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/* tinyproxy - A fast light-weight HTTP proxy
 * Copyright (C) 2001 Robert James Kaes <rjkaes@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

/* See 'conns.c' for detailed information. */

#ifndef TINYPROXY_CONNS_H
#define TINYPROXY_CONNS_H

#include "main.h"
#include "hashmap.h"

/*
 * Connection Definition
 */
struct conn_s
{
  int client_fd;
  int server_fd;

  struct buffer_s *cbuffer;
  struct buffer_s *sbuffer;

  /* The request line (first line) from the client */
  char *request_line;

  /* Booleans */
  unsigned int connect_method;
  unsigned int show_stats;

  /*
   * This structure stores key -> value mappings for substitution
   * in the error HTML files.
   */
  hashmap_t error_variables;

  int error_number;
  char *error_string;

  /* A Content-Length value from the remote server */
  struct
  {
    long int server;
    long int client;
  } content_length;

  /*
   * Store the server's IP (for BindSame)
   */
  char *server_ip_addr;

  /*
   * Store the client's IP and hostname information
   */
  char *client_ip_addr;
  char *client_string_addr;

  /*
   * Store the incoming request's HTTP protocol.
   */
  struct
  {
    unsigned int major;
    unsigned int minor;
  } protocol;

#ifdef REVERSE_SUPPORT
  /*
   * Place to store the current per-connection reverse proxy path
   */
  char *reversepath;
#endif

  /*
   * Pointer to upstream proxy.
   */
  struct upstream *upstream_proxy;
};

/*
 * Functions for the creation and destruction of a connection structure.
 */
extern struct conn_s *initialize_conn (int client_fd, const char *ipaddr,
                                       const char *string_addr,
                                       const char *sock_ipaddr);
extern void destroy_conn (struct conn_s *connptr);

#endif