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/*
* include/haproxy/session-t.h
* This file defines everything related to sessions.
*
* Copyright (C) 2000-2020 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_SESSION_T_H
#define _HAPROXY_SESSION_T_H
#include <sys/time.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <haproxy/api-t.h>
#include <haproxy/obj_type-t.h>
#include <haproxy/stick_table-t.h>
#include <haproxy/task-t.h>
#include <haproxy/vars-t.h>
/* session flags */
enum {
SESS_FL_NONE = 0x00000000, /* nothing */
SESS_FL_PREFER_LAST = 0x00000001, /* NTML authent, we should reuse last conn */
};
/* max number of idle server connections kept attached to a session */
#define MAX_SRV_LIST 5
struct session {
struct proxy *fe; /* the proxy this session depends on for the client side */
struct listener *listener; /* the listener by which the request arrived */
enum obj_type *origin; /* the connection / applet which initiated this session */
struct timeval accept_date; /* date of the session's accept() in user date */
ullong accept_ts; /* date of the session's accept() in internal date (monotonic) */
struct stkctr *stkctr; /* stick counters for tcp-connection */
struct vars vars; /* list of variables for the session scope. */
struct task *task; /* handshake timeout processing */
long t_handshake; /* handshake duration, -1 = not completed */
long t_idle; /* idle duration, -1 if never occurs */
int idle_conns; /* Number of connections we're currently responsible for that we are not using */
unsigned int flags; /* session flags, SESS_FL_* */
struct list srv_list; /* List of servers and the connections the session is currently responsible for */
struct sockaddr_storage *src; /* source address (pool), when known, otherwise NULL */
struct sockaddr_storage *dst; /* destination address (pool), when known, otherwise NULL */
};
struct sess_srv_list {
void *target;
struct list conn_list; /* Head of the connections list */
struct list srv_list; /* Next element of the server list */
};
#endif /* _HAPROXY_SESSION_T_H */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/
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