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102 lines
3.0 KiB
102 lines
3.0 KiB
/*
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* $Id$
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*
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* here, we delete message lumps which are generated in
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* core functions using pkg_malloc and applied to shmem
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* requests; not doing so would result ugly memory problems
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*
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* I admit it is not a nice hack; -jiri
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*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* This file is part of ser, a free SIP server.
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*
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* ser 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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* ser 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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* History:
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* -------
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* 2003-11-24 changed free_via_lump to free_via_clen_lump and make it
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* handle CONTENTLENGTH lumps also (andrei)
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* 2005-07-04 lumps in SHM or dup'ed lumps are not freed and an warning
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* message is logged (temporary fix) (andrei)
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*/
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#ifndef _FIX_LUMPS_H
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#define _FIX_LUMPS_H
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/** @brief used to delete attached via lumps from msg;
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msg can be either an original pkg msg, whose Via lump I want
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to delete before generating next branch, or a shmem-stored
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message processed during on_reply -- then I want to
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delete the Via lump for the same reason
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the other case when I want to delete them is when a message
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is stored in shmem for branch picking, forwarded lated and
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Via removal is applied to the shmem-ed message
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the same thing for Content-Length lumps (FIXME: this
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should be done in a nicer way)
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*/
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inline static void free_via_clen_lump( struct lump **list )
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{
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struct lump *prev_lump, *lump, *a, *foo, *next;
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next=0;
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prev_lump=0;
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for(lump=*list;lump;lump=next) {
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next=lump->next;
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if (lump->type==HDR_VIA_T||lump->type==HDR_CONTENTLENGTH_T) {
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if (lump->flags & (LUMPFLAG_DUPED|LUMPFLAG_SHMEM)){
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LOG(L_CRIT, "BUG: free_via_clen_lmp: lump %p, flags %x\n",
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lump, lump->flags);
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/* ty to continue */
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}
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a=lump->before;
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while(a) {
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foo=a; a=a->before;
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if (!(foo->flags&(LUMPFLAG_DUPED|LUMPFLAG_SHMEM)))
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free_lump(foo);
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if (!(foo->flags&LUMPFLAG_SHMEM))
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pkg_free(foo);
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}
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a=lump->after;
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while(a) {
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foo=a; a=a->after;
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if (!(foo->flags&(LUMPFLAG_DUPED|LUMPFLAG_SHMEM)))
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free_lump(foo);
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if (!(foo->flags&LUMPFLAG_SHMEM))
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pkg_free(foo);
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}
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if (prev_lump) prev_lump->next = lump->next;
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else *list = lump->next;
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if (!(lump->flags&(LUMPFLAG_DUPED|LUMPFLAG_SHMEM)))
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free_lump(lump);
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if (!(lump->flags&LUMPFLAG_SHMEM))
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pkg_free(lump);
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} else {
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/* store previous position */
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prev_lump=lump;
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}
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}
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}
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#endif
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