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62 lines
1.7 KiB
62 lines
1.7 KiB
/*
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* $Id$
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*
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* Copyright (C) 2012 dragos.dinu@1and1.ro, 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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#ifndef HASH_MODE_H
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#define HASH_MODE_H 1
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/*
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* Determines from which part of a message will be used to calculate the hash
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* Possible values are:
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*
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* hs_call_id the content of the Call-ID header field
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* hs_from_user the username part of the URI in the From header field
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* hs_to_user the username part of the URI in the To header field
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* hs_error no hash specified
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*/
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enum hash_source {
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hs_call_id = 1,
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hs_from_user,
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hs_to_user,
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hs_error
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};
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/*
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* CRC32 hash function
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* Returns an integer number between 0 and denominator - 1 based on
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* the hash source from the msg. The hash algorithm is CRC32.
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*/
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int hash_func (struct _sipcapture_object * sco,
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enum hash_source source, int denominator);
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/*
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* Gets the hash source type.
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*/
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enum hash_source get_hash_source (const char *hash_source);
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#endif
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