mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-12-04 17:44:44 +08:00
264 lines
6.8 KiB
C
264 lines
6.8 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2000-2002 Maxim Krasnyansky <maxk@qualcomm.com>
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* Copyright (C) 2003-2011 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program 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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* This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __PARSER_H
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#define __PARSER_H
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#include <time.h>
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#include <sys/time.h>
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#include <netinet/in.h>
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#include "lib/bluetooth.h"
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struct frame {
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void *data;
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uint32_t data_len;
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void *ptr;
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uint32_t len;
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uint16_t dev_id;
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uint8_t in;
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uint8_t master;
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uint16_t handle;
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uint16_t cid;
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uint16_t num;
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uint8_t dlci;
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uint8_t channel;
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unsigned long flags;
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struct timeval ts;
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int pppdump_fd;
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int audio_fd;
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};
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/* Parser flags */
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#define DUMP_WIDTH 20
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#define DUMP_ASCII 0x0001
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#define DUMP_HEX 0x0002
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#define DUMP_EXT 0x0004
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#define DUMP_RAW 0x0008
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#define DUMP_BPA 0x0010
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#define DUMP_TSTAMP 0x0100
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#define DUMP_VERBOSE 0x0200
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#define DUMP_BTSNOOP 0x1000
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#define DUMP_PKTLOG 0x2000
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#define DUMP_NOVENDOR 0x4000
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#define DUMP_TYPE_MASK (DUMP_ASCII | DUMP_HEX | DUMP_EXT)
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/* Parser filter */
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#define FILT_LMP 0x0001
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#define FILT_HCI 0x0002
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#define FILT_SCO 0x0004
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#define FILT_L2CAP 0x0008
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#define FILT_RFCOMM 0x0010
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#define FILT_SDP 0x0020
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#define FILT_BNEP 0x0040
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#define FILT_CMTP 0x0080
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#define FILT_HIDP 0x0100
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#define FILT_HCRP 0x0200
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#define FILT_AVDTP 0x0400
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#define FILT_AVCTP 0x0800
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#define FILT_ATT 0x1000
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#define FILT_SMP 0x2000
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#define FILT_A2MP 0x4000
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#define FILT_OBEX 0x00010000
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#define FILT_CAPI 0x00020000
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#define FILT_PPP 0x00040000
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#define FILT_SAP 0x00080000
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#define FILT_ERICSSON 0x10000000
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#define FILT_CSR 0x1000000a
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#define FILT_DGA 0x1000000c
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#define STRUCT_OFFSET(type, member) ((uint8_t *)&(((type *)NULL)->member) - \
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(uint8_t *)((type *)NULL))
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#define STRUCT_END(type, member) (STRUCT_OFFSET(type, member) + \
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sizeof(((type *)NULL)->member))
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#define DEFAULT_COMPID 65535
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struct parser_t {
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unsigned long flags;
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unsigned long filter;
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unsigned short defpsm;
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unsigned short defcompid;
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int state;
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int pppdump_fd;
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int audio_fd;
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};
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extern struct parser_t parser;
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void init_parser(unsigned long flags, unsigned long filter,
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unsigned short defpsm, unsigned short defcompid,
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int pppdump_fd, int audio_fd);
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static inline int p_filter(unsigned long f)
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{
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return !(parser.filter & f);
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}
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static inline void p_indent(int level, struct frame *f)
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{
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if (level < 0) {
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parser.state = 0;
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return;
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}
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if (!parser.state) {
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if (parser.flags & DUMP_TSTAMP) {
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if (parser.flags & DUMP_VERBOSE) {
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struct tm tm;
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time_t t = f->ts.tv_sec;
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localtime_r(&t, &tm);
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printf("%04d-%02d-%02d %02d:%02d:%02d.%06lu ",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min, tm.tm_sec, f->ts.tv_usec);
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} else
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printf("%8lu.%06lu ", f->ts.tv_sec, f->ts.tv_usec);
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}
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printf("%c ", (f->in ? '>' : '<'));
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parser.state = 1;
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} else
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printf(" ");
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if (level)
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printf("%*c", (level*2), ' ');
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}
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static inline void p_ba2str(const bdaddr_t *ba, char *str)
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{
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if (parser.flags & DUMP_NOVENDOR) {
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uint8_t b[6];
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baswap((bdaddr_t *) b, ba);
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sprintf(str, "%2.2X:%2.2X:%2.2X:*:*:*", b[0], b[1], b[2]);
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} else
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ba2str(ba, str);
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}
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/* get_uXX functions do byte swaping */
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static inline uint8_t get_u8(struct frame *frm)
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{
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uint8_t *u8_ptr = frm->ptr;
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frm->ptr += 1;
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frm->len -= 1;
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return *u8_ptr;
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}
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static inline uint16_t get_u16(struct frame *frm)
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{
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uint16_t *u16_ptr = frm->ptr;
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frm->ptr += 2;
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frm->len -= 2;
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return ntohs(bt_get_unaligned(u16_ptr));
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}
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static inline uint32_t get_u32(struct frame *frm)
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{
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uint32_t *u32_ptr = frm->ptr;
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frm->ptr += 4;
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frm->len -= 4;
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return ntohl(bt_get_unaligned(u32_ptr));
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}
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static inline uint64_t get_u64(struct frame *frm)
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{
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uint64_t *u64_ptr = frm->ptr;
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uint64_t u64 = bt_get_unaligned(u64_ptr), tmp;
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frm->ptr += 8;
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frm->len -= 8;
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tmp = ntohl(u64 & 0xffffffff);
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u64 = (tmp << 32) | ntohl(u64 >> 32);
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return u64;
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}
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static inline void get_u128(struct frame *frm, uint64_t *l, uint64_t *h)
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{
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*h = get_u64(frm);
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*l = get_u64(frm);
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}
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char *get_uuid_name(int uuid);
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void set_proto(uint16_t handle, uint16_t psm, uint8_t channel, uint32_t proto);
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uint32_t get_proto(uint16_t handle, uint16_t psm, uint8_t channel);
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struct frame *add_frame(struct frame *frm);
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void del_frame(uint16_t handle, uint8_t dlci);
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uint8_t get_opcode(uint16_t handle, uint8_t dlci);
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void set_opcode(uint16_t handle, uint8_t dlci, uint8_t opcode);
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uint8_t get_status(uint16_t handle, uint8_t dlci);
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void set_status(uint16_t handle, uint8_t dlci, uint8_t status);
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void l2cap_clear(uint16_t handle);
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void ascii_dump(int level, struct frame *frm, int num);
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void hex_dump(int level, struct frame *frm, int num);
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void ext_dump(int level, struct frame *frm, int num);
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void raw_dump(int level, struct frame *frm);
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void raw_ndump(int level, struct frame *frm, int num);
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void lmp_dump(int level, struct frame *frm);
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void hci_dump(int level, struct frame *frm);
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void l2cap_dump(int level, struct frame *frm);
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void rfcomm_dump(int level, struct frame *frm);
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void sdp_dump(int level, struct frame *frm);
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void bnep_dump(int level, struct frame *frm);
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void cmtp_dump(int level, struct frame *frm);
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void hidp_dump(int level, struct frame *frm);
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void hcrp_dump(int level, struct frame *frm);
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void avdtp_dump(int level, struct frame *frm);
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void avctp_dump(int level, struct frame *frm, uint16_t psm);
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void avrcp_dump(int level, struct frame *frm, uint8_t hdr, uint16_t psm);
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void att_dump(int level, struct frame *frm);
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void smp_dump(int level, struct frame *frm);
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void sap_dump(int level, struct frame *frm);
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void obex_dump(int level, struct frame *frm);
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void capi_dump(int level, struct frame *frm);
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void ppp_dump(int level, struct frame *frm);
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void arp_dump(int level, struct frame *frm);
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void ip_dump(int level, struct frame *frm);
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void ericsson_dump(int level, struct frame *frm);
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void csr_dump(int level, struct frame *frm);
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void bpa_dump(int level, struct frame *frm);
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void amp_assoc_dump(int level, uint8_t *assoc, uint16_t len);
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static inline void parse(struct frame *frm)
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{
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p_indent(-1, NULL);
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if (parser.flags & DUMP_RAW)
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raw_dump(0, frm);
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else
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hci_dump(0, frm);
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fflush(stdout);
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}
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#endif /* __PARSER_H */
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