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89 lines
2.2 KiB
89 lines
2.2 KiB
/*
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* $Id$
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*
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* Copyright (C) 2008-2009 1&1 Internet AG
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*
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* This file is part of SIP-router, a free SIP server.
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*
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* SIP-router is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* SIP-router is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* \file
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* \brief SIP-utils :: Module with several utiltity functions related to SIP messages handling
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* \ingroup siputils
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* - Module; \ref siputils
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*/
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#ifndef RING_H
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#define RING_H
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#define HASHTABLEBITS 13
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#define HASHTABLESIZE (((unsigned int)1) << HASHTABLEBITS)
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#define HASHTABLEMASK (HASHTABLESIZE - 1)
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#define MAXCALLIDLEN 255
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extern gen_lock_t *ring_lock;
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/*!
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* \brief Inserts callid of message into hashtable
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*
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* Inserts callid of message into hashtable. Any 183 messages with
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* this callid that occur in the next ring_timeout seconds, will be
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* converted to 180.
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* \param msg SIP message
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* \param unused1 unused
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* \param unused2 unused
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* \return 1 on success, -1 otherwise
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*/
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int ring_insert_callid(struct sip_msg *msg, char *unused1, char *unused2);
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/*!
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* \brief Initialize the ring hashtable in shared memory
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*/
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void ring_init_hashtable(void);
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/*!
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* \brief Destroy the ring hashtable
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*/
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void ring_destroy_hashtable(void);
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/*!
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* \brief Callback function that does the work inside the server.
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* \param msg SIP message
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* \param flags unused
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* \param bar unused
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* \return 1 on success, -1 on failure
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*/
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int ring_filter(struct sip_msg *msg, unsigned int flags, void *bar);
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/*!
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* \brief Fixup function for the ring_insert_callid function
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* \param param unused
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* \param param_no unused
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* \return 0
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*/
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int ring_fixup(void ** param, int param_no);
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#endif
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