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/* $Id$ */
/*
* Copyright (C) 2003-2007 Benny Prijono <benny@prijono.org>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJLIB_UTIL_CONFIG_H__
#define __PJLIB_UTIL_CONFIG_H__
/**
* @file config.h
* @brief Compile time settings
*/
/**
* @defgroup PJLIB_UTIL_CONFIG PJLIB-UTIL Configuration
* @ingroup PJLIB_UTIL
* @{
*/
/* **************************************************************************
* DNS CONFIGURATION
*/
/**
* This constant specifies the maximum names to keep in the temporary name
* table when performing name compression scheme when duplicating DNS packet
* (the #pj_dns_packet_dup() function).
*
* Generally name compression is desired, since it saves some memory (see
* PJ_DNS_RESOLVER_RES_BUF_SIZE setting). However it comes at the expense of
* a little processing overhead to perform name scanning and also a little
* bit more stack usage (8 bytes per entry on 32bit platform).
*
* Default: 16
*/
#ifndef PJ_DNS_MAX_NAMES_IN_NAMETABLE
# define PJ_DNS_MAX_NAMES_IN_NAMETABLE 16
#endif
/* **************************************************************************
* RESOLVER CONFIGURATION
*/
/**
* Maximum numbers of DNS nameservers that can be configured in resolver.
*/
#ifndef PJ_DNS_RESOLVER_MAX_NS
# define PJ_DNS_RESOLVER_MAX_NS 16
#endif
/**
* Default retransmission delay, in miliseconds. The combination of
* retransmission delay and count determines the query timeout.
*
* Default: 2000 (2 seconds, according to RFC 1035)
*/
#ifndef PJ_DNS_RESOLVER_QUERY_RETRANSMIT_DELAY
# define PJ_DNS_RESOLVER_QUERY_RETRANSMIT_DELAY 2000
#endif
/**
* Maximum number of transmissions before timeout is declared for
* the query.
*
* Default: 5
*/
#ifndef PJ_DNS_RESOLVER_QUERY_RETRANSMIT_COUNT
# define PJ_DNS_RESOLVER_QUERY_RETRANSMIT_COUNT 5
#endif
/**
* Maximum life-time of DNS response in the resolver response cache,
* in seconds. If the value is zero, then DNS response caching will be
* disabled.
*
* Default is 300 seconds (5 minutes).
*
* @see PJ_DNS_RESOLVER_INVALID_TTL
*/
#ifndef PJ_DNS_RESOLVER_MAX_TTL
# define PJ_DNS_RESOLVER_MAX_TTL (5*60)
#endif
/**
* The life-time of invalid DNS response in the resolver response cache.
* An invalid DNS response is a response which RCODE is non-zero and
* response without any answer section. These responses can be put in
* the cache too to minimize message round-trip.
*
* Default: 60 (one minute).
*
* @see PJ_DNS_RESOLVER_MAX_TTL
*/
#ifndef PJ_DNS_RESOLVER_INVALID_TTL
# define PJ_DNS_RESOLVER_INVALID_TTL 60
#endif
/**
* The interval on which nameservers which are known to be good to be
* probed again to determine whether they are still good. Note that
* this applies to both active nameserver (the one currently being used)
* and idle nameservers (good nameservers that are not currently selected).
* The probing to query the "goodness" of nameservers involves sending
* the same query to multiple servers, so it's probably not a good idea
* to send this probing too often.
*
* Default: 600 (ten minutes)
*
* @see PJ_DNS_RESOLVER_BAD_NS_TTL
*/
#ifndef PJ_DNS_RESOLVER_GOOD_NS_TTL
# define PJ_DNS_RESOLVER_GOOD_NS_TTL (10*60)
#endif
/**
* The interval on which nameservers which known to be bad to be probed
* again to determine whether it is still bad.
*
* Default: 60 (one minute)
*
* @see PJ_DNS_RESOLVER_GOOD_NS_TTL
*/
#ifndef PJ_DNS_RESOLVER_BAD_NS_TTL
# define PJ_DNS_RESOLVER_BAD_NS_TTL (1*60)
#endif
/**
* Maximum size of UDP packet. RFC 1035 states that maximum size of
* DNS packet carried over UDP is 512 bytes.
*
* Default: 512 byes
*/
#ifndef PJ_DNS_RESOLVER_MAX_UDP_SIZE
# define PJ_DNS_RESOLVER_MAX_UDP_SIZE 512
#endif
/**
* Size of memory pool allocated for each individual DNS response cache.
* This value here should be more or less the same as maximum UDP packet
* size (PJ_DNS_RESOLVER_MAX_UDP_SIZE), since the DNS replicator function
* (#pj_dns_packet_dup()) is also capable of performing name compressions.
*
* Default: 512 (as a broad guidance, 400 is good for 4 SRV entries).
*/
#ifndef PJ_DNS_RESOLVER_RES_BUF_SIZE
# define PJ_DNS_RESOLVER_RES_BUF_SIZE 512
#endif
/* **************************************************************************
* SCANNER CONFIGURATION
*/
/**
* Macro PJ_SCANNER_USE_BITWISE is defined and non-zero (by default yes)
* will enable the use of bitwise for character input specification (cis).
* This would save several kilobytes of .bss memory in the SIP parser.
*/
#ifndef PJ_SCANNER_USE_BITWISE
# define PJ_SCANNER_USE_BITWISE 1
#endif
/* **************************************************************************
* STUN CLIENT CONFIGURATION
*/
/**
* Maximum number of attributes in the STUN packet.
*
* Default: 16
*/
#ifndef PJ_STUN_MAX_ATTR
# define PJ_STUN_MAX_ATTR 16
#endif
/**
* @}
*/
#endif /* __PJLIB_UTIL_CONFIG_H__ */
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