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https://gitlab.linphone.org/BC/public/linphone-iphone.git
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2b8200409c
git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@1 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
/*
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The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.
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Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; 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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#ifndef STR_UTILS_H
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#define STR_UTILS_H
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#include <ortp/port.h>
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typedef struct msgb
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{
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struct msgb *b_prev;
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struct msgb *b_next;
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struct msgb *b_cont;
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struct datab *b_datap;
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unsigned char *b_rptr;
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unsigned char *b_wptr;
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uint32_t reserved1;
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uint32_t reserved2;
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} mblk_t;
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typedef struct datab
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{
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unsigned char *db_base;
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unsigned char *db_lim;
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void (*db_freefn)(void*);
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int db_ref;
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} dblk_t;
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typedef struct _queue
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{
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mblk_t _q_stopper;
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int q_mcount; /*number of packet in the q */
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} queue_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void qinit(queue_t *q);
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void putq(queue_t *q, mblk_t *m);
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mblk_t * getq(queue_t *q);
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void insq(queue_t *q,mblk_t *emp, mblk_t *mp);
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void remq(queue_t *q, mblk_t *mp);
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mblk_t * peekq(queue_t *q);
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/* remove and free all messages in the q */
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#define FLUSHALL 0
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void flushq(queue_t *q, int how);
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void mblk_init(mblk_t *mp);
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/* allocates a mblk_t, that points to a datab_t, that points to a buffer of size size. */
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mblk_t *allocb(int size, int unused);
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#define BPRI_MED 0
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/* allocates a mblk_t, that points to a datab_t, that points to buf; buf will be freed using freefn */
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mblk_t *esballoc(uint8_t *buf, int size, int pri, void (*freefn)(void*) );
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/* frees a mblk_t, and if the datab ref_count is 0, frees it and the buffer too */
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void freeb(mblk_t *m);
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/* frees recursively (follow b_cont) a mblk_t, and if the datab
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ref_count is 0, frees it and the buffer too */
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void freemsg(mblk_t *mp);
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/* duplicates a mblk_t , buffer is not duplicated*/
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mblk_t *dupb(mblk_t *m);
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/* duplicates a complex mblk_t, buffer is not duplicated */
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mblk_t *dupmsg(mblk_t* m);
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/* returns the size of data of a message */
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int msgdsize(const mblk_t *mp);
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/* concatenates all fragment of a complex message*/
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void msgpullup(mblk_t *mp,int len);
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/* duplicates a single message, but with buffer included */
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mblk_t *copyb(mblk_t *mp);
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/* duplicates a complex message with buffer included */
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mblk_t *copymsg(mblk_t *mp);
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mblk_t * appendb(mblk_t *mp, const char *data, int size, bool_t pad);
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void msgappend(mblk_t *mp, const char *data, int size, bool_t pad);
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mblk_t *concatb(mblk_t *mp, mblk_t *newm);
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#define qempty(q) (&(q)->_q_stopper==(q)->_q_stopper.b_next)
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#define qfirst(q) ((q)->_q_stopper.b_next!=&(q)->_q_stopper ? (q)->_q_stopper.b_next : NULL)
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#define qbegin(q) ((q)->_q_stopper.b_next)
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#define qlast(q) ((q)->_q_stopper.b_prev!=&(q)->_q_stopper ? (q)->_q_stopper.b_prev : NULL)
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#define qend(q,mp) ((mp)==&(q)->_q_stopper)
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#define qnext(q,mp) ((mp)->b_next)
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typedef struct _msgb_allocator{
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queue_t q;
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}msgb_allocator_t;
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void msgb_allocator_init(msgb_allocator_t *pa);
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mblk_t *msgb_allocator_alloc(msgb_allocator_t *pa, int size);
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void msgb_allocator_uninit(msgb_allocator_t *pa);
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#ifdef __cplusplus
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}
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#endif
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#endif
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