mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-11-17 17:24:32 +08:00
611 lines
12 KiB
C
611 lines
12 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) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
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* Copyright (C) 2002-2006 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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <syslog.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <bluetooth/bluetooth.h>
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#include <bluetooth/hci.h>
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#include <bluetooth/hci_lib.h>
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#include <bluetooth/rfcomm.h>
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/* Test modes */
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enum {
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SEND,
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RECV,
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RECONNECT,
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MULTY,
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DUMP,
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CONNECT,
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CRECV,
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LSEND
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};
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static unsigned char *buf;
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/* Default data size */
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static long data_size = 127;
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static long num_frames = -1;
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/* Default number of consecutive frames before the delay */
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static int count = 1;
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/* Default delay after sending count number of frames */
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static unsigned long delay = 0;
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/* Default addr and channel */
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static bdaddr_t bdaddr;
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static uint8_t channel = 10;
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static char *filename = NULL;
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static int master = 0;
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static int auth = 0;
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static int encrypt = 0;
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static int secure = 0;
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static int socktype = SOCK_STREAM;
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static int linger = 0;
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static float tv2fl(struct timeval tv)
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{
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return (float)tv.tv_sec + (float)(tv.tv_usec/1000000.0);
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}
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static int do_connect(char *svr)
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{
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struct sockaddr_rc addr;
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struct rfcomm_conninfo conn;
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socklen_t optlen;
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int sk;
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/* Create socket */
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sk = socket(PF_BLUETOOTH, socktype, BTPROTO_RFCOMM);
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if (sk < 0) {
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syslog(LOG_ERR, "Can't create socket: %s (%d)",
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strerror(errno), errno);
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return -1;
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}
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/* Enable SO_LINGER */
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if (linger) {
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struct linger l = { .l_onoff = 1, .l_linger = linger };
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if (setsockopt(sk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
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syslog(LOG_ERR, "Can't enable SO_LINGER: %s (%d)",
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strerror(errno), errno);
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goto error;
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}
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}
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/* Bind to local address */
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memset(&addr, 0, sizeof(addr));
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addr.rc_family = AF_BLUETOOTH;
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bacpy(&addr.rc_bdaddr, &bdaddr);
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if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
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syslog(LOG_ERR, "Can't bind socket: %s (%d)",
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strerror(errno), errno);
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goto error;
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}
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/* Connect to remote device */
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memset(&addr, 0, sizeof(addr));
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addr.rc_family = AF_BLUETOOTH;
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str2ba(svr, &addr.rc_bdaddr);
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addr.rc_channel = channel;
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if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
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syslog(LOG_ERR, "Can't connect: %s (%d)",
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strerror(errno), errno);
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goto error;
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}
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/* Get connection information */
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memset(&conn, 0, sizeof(conn));
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optlen = sizeof(conn);
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if (getsockopt(sk, SOL_RFCOMM, RFCOMM_CONNINFO, &conn, &optlen) < 0) {
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syslog(LOG_ERR, "Can't get RFCOMM connection information: %s (%d)",
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strerror(errno), errno);
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//goto error;
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}
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syslog(LOG_INFO, "Connected [handle %d, class 0x%02x%02x%02x]",
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conn.hci_handle,
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conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]);
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return sk;
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error:
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close(sk);
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return -1;
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}
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static void do_listen(void (*handler)(int sk))
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{
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struct sockaddr_rc addr;
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struct rfcomm_conninfo conn;
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socklen_t optlen;
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int sk, nsk, opt;
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char ba[18];
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/* Create socket */
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sk = socket(PF_BLUETOOTH, socktype, BTPROTO_RFCOMM);
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if (sk < 0) {
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syslog(LOG_ERR, "Can't create socket: %s (%d)",
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strerror(errno), errno);
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exit(1);
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}
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/* Bind to local address */
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addr.rc_family = AF_BLUETOOTH;
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bacpy(&addr.rc_bdaddr, &bdaddr);
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addr.rc_channel = channel;
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if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
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syslog(LOG_ERR, "Can't bind socket: %s (%d)",
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strerror(errno), errno);
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goto error;
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}
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/* Set link mode */
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opt = 0;
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if (master)
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opt |= RFCOMM_LM_MASTER;
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if (auth)
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opt |= RFCOMM_LM_AUTH;
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if (encrypt)
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opt |= RFCOMM_LM_ENCRYPT;
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if (secure)
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opt |= RFCOMM_LM_SECURE;
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if (opt && setsockopt(sk, SOL_RFCOMM, RFCOMM_LM, &opt, sizeof(opt)) < 0) {
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syslog(LOG_ERR, "Can't set RFCOMM link mode: %s (%d)",
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strerror(errno), errno);
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goto error;
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}
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/* Listen for connections */
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if (listen(sk, 10)) {
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syslog(LOG_ERR,"Can not listen on the socket: %s (%d)",
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strerror(errno), errno);
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goto error;
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}
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syslog(LOG_INFO,"Waiting for connection on channel %d ...", channel);
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while(1) {
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memset(&addr, 0, sizeof(addr));
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optlen = sizeof(addr);
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nsk = accept(sk, (struct sockaddr *) &addr, &optlen);
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if (nsk < 0) {
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syslog(LOG_ERR,"Accept failed: %s (%d)",
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strerror(errno), errno);
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goto error;
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}
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if (fork()) {
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/* Parent */
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close(nsk);
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continue;
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}
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/* Child */
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close(sk);
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/* Get connection information */
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memset(&conn, 0, sizeof(conn));
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optlen = sizeof(conn);
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if (getsockopt(nsk, SOL_RFCOMM, RFCOMM_CONNINFO, &conn, &optlen) < 0) {
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syslog(LOG_ERR, "Can't get RFCOMM connection information: %s (%d)",
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strerror(errno), errno);
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//close(nsk);
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//goto error;
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}
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ba2str(&addr.rc_bdaddr, ba);
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syslog(LOG_INFO, "Connect from %s [handle %d, class 0x%02x%02x%02x]",
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ba, conn.hci_handle,
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conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]);
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/* Enable SO_LINGER */
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if (linger) {
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struct linger l = { .l_onoff = 1, .l_linger = linger };
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if (setsockopt(nsk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
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syslog(LOG_ERR, "Can't enable SO_LINGER: %s (%d)",
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strerror(errno), errno);
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close(nsk);
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goto error;
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}
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}
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handler(nsk);
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syslog(LOG_INFO, "Disconnect: %m");
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exit(0);
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}
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return;
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error:
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close(sk);
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exit(1);
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}
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static void dump_mode(int sk)
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{
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int len;
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syslog(LOG_INFO, "Receiving ...");
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while ((len = read(sk, buf, data_size)) > 0)
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syslog(LOG_INFO, "Recevied %d bytes", len);
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}
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static void recv_mode(int sk)
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{
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struct timeval tv_beg,tv_end,tv_diff;
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long total;
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uint32_t seq;
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syslog(LOG_INFO,"Receiving ...");
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seq = 0;
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while (1) {
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gettimeofday(&tv_beg,NULL);
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total = 0;
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while (total < data_size) {
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//uint32_t sq;
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//uint16_t l;
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int r;
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if ((r = recv(sk, buf, data_size, 0)) <= 0) {
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if (r < 0)
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syslog(LOG_ERR, "Read failed: %s (%d)",
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strerror(errno), errno);
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return;
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}
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#if 0
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/* Check sequence */
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sq = btohl(*(uint32_t *) buf);
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if (seq != sq) {
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syslog(LOG_INFO, "seq missmatch: %d -> %d", seq, sq);
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seq = sq;
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}
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seq++;
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/* Check length */
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l = btohs(*(uint16_t *) (buf + 4));
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if (r != l) {
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syslog(LOG_INFO, "size missmatch: %d -> %d", r, l);
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continue;
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}
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/* Verify data */
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for (i = 6; i < r; i++) {
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if (buf[i] != 0x7f)
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syslog(LOG_INFO, "data missmatch: byte %d 0x%2.2x", i, buf[i]);
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}
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#endif
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total += r;
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}
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gettimeofday(&tv_end,NULL);
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timersub(&tv_end,&tv_beg,&tv_diff);
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syslog(LOG_INFO,"%ld bytes in %.2f sec, %.2f kB/s", total,
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tv2fl(tv_diff), (float)(total / tv2fl(tv_diff) ) / 1024.0);
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}
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}
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static void do_send(int sk)
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{
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uint32_t seq;
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int i, fd, len;
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syslog(LOG_INFO,"Sending ...");
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if (filename) {
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fd = open(filename, O_RDONLY);
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if (fd < 0) {
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syslog(LOG_ERR, "Open failed: %s (%d)",
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strerror(errno), errno);
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exit(1);
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}
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len = read(fd, buf, data_size);
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send(sk, buf, len, 0);
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return;
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} else {
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for (i = 6; i < data_size; i++)
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buf[i] = 0x7f;
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}
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seq = 0;
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while ((num_frames == -1) || (num_frames-- > 0)) {
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*(uint32_t *) buf = htobl(seq);
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*(uint16_t *) (buf + 4) = htobs(data_size);
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seq++;
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if (send(sk, buf, data_size, 0) <= 0) {
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syslog(LOG_ERR, "Send failed: %s (%d)",
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strerror(errno), errno);
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exit(1);
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}
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if (num_frames && delay && count && !(seq % count))
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usleep(delay);
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}
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}
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static void send_mode(int sk)
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{
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do_send(sk);
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syslog(LOG_INFO, "Closing channel ...");
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if (shutdown(sk, SHUT_RDWR) < 0)
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syslog(LOG_INFO, "Close failed: %m");
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else
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syslog(LOG_INFO, "Done");
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}
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static void reconnect_mode(char *svr)
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{
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while(1) {
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int sk = do_connect(svr);
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close(sk);
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}
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}
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static void multi_connect_mode(int argc, char *argv[])
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{
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int i, n, sk;
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while (1) {
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for (n = 0; n < argc; n++) {
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for (i = 0; i < count; i++) {
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if (fork())
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continue;
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/* Child */
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sk = do_connect(argv[n]);
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usleep(500);
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close(sk);
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exit(0);
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}
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}
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sleep(4);
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}
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}
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static void usage(void)
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{
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printf("rctest - RFCOMM testing\n"
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"Usage:\n");
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printf("\trctest <mode> [options] [bdaddr]\n");
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printf("Modes:\n"
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"\t-r listen and receive\n"
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"\t-w listen and send\n"
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"\t-d listen and dump incoming data\n"
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"\t-s connect and send\n"
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"\t-u connect and receive\n"
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"\t-n connect and be silent\n"
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"\t-c connect, disconnect, connect, ...\n"
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"\t-m multiple connects\n");
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printf("Options:\n"
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"\t[-b bytes] [-i device] [-P channel]\n"
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"\t[-L seconds] enabled SO_LINGER option\n"
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"\t[-B filename] use data packets from file\n"
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"\t[-N num] number of frames to send\n"
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"\t[-C num] send num frames before delay (default = 1)\n"
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"\t[-D milliseconds] delay after sending num frames (default = 0)\n"
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"\t[-A] request authentication\n"
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"\t[-E] request encryption\n"
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"\t[-S] secure connection\n"
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"\t[-M] become master\n");
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}
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int main(int argc, char *argv[])
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{
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struct sigaction sa;
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int opt, sk, mode = RECV, need_addr = 0;
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bacpy(&bdaddr, BDADDR_ANY);
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while ((opt=getopt(argc,argv,"rdscuwmnb:i:P:B:N:MAESL:C:D:")) != EOF) {
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switch (opt) {
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case 'r':
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mode = RECV;
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break;
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case 's':
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mode = SEND;
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need_addr = 1;
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break;
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case 'w':
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mode = LSEND;
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break;
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case 'u':
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mode = CRECV;
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need_addr = 1;
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break;
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case 'd':
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mode = DUMP;
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break;
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case 'c':
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mode = RECONNECT;
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need_addr = 1;
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break;
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case 'n':
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mode = CONNECT;
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need_addr = 1;
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break;
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case 'm':
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mode = MULTY;
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need_addr = 1;
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break;
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case 'b':
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data_size = atoi(optarg);
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break;
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case 'i':
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if (!strncasecmp(optarg, "hci", 3))
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hci_devba(atoi(optarg + 3), &bdaddr);
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else
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str2ba(optarg, &bdaddr);
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break;
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case 'P':
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channel = atoi(optarg);
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break;
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case 'M':
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master = 1;
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break;
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case 'A':
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auth = 1;
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break;
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case 'E':
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encrypt = 1;
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break;
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case 'S':
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secure = 1;
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break;
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case 'L':
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linger = atoi(optarg);
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break;
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case 'B':
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filename = strdup(optarg);
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break;
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case 'N':
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num_frames = atoi(optarg);
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break;
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case 'C':
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count = atoi(optarg);
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break;
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case 'D':
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delay = atoi(optarg) * 1000;
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break;
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default:
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usage();
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exit(1);
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}
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}
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if (need_addr && !(argc - optind)) {
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usage();
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exit(1);
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}
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if (!(buf = malloc(data_size))) {
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perror("Can't allocate data buffer");
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exit(1);
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}
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = SIG_IGN;
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sa.sa_flags = SA_NOCLDSTOP;
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sigaction(SIGCHLD, &sa, NULL);
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openlog("rctest", LOG_PERROR | LOG_PID, LOG_LOCAL0);
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switch (mode) {
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case RECV:
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do_listen(recv_mode);
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break;
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case CRECV:
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sk = do_connect(argv[optind]);
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if (sk < 0)
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exit(1);
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recv_mode(sk);
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break;
|
|
|
|
case DUMP:
|
|
do_listen(dump_mode);
|
|
break;
|
|
|
|
case SEND:
|
|
sk = do_connect(argv[optind]);
|
|
if (sk < 0)
|
|
exit(1);
|
|
send_mode(sk);
|
|
break;
|
|
|
|
case LSEND:
|
|
do_listen(send_mode);
|
|
break;
|
|
|
|
case RECONNECT:
|
|
reconnect_mode(argv[optind]);
|
|
break;
|
|
|
|
case MULTY:
|
|
multi_connect_mode(argc - optind, argv + optind);
|
|
break;
|
|
|
|
case CONNECT:
|
|
sk = do_connect(argv[optind]);
|
|
if (sk < 0)
|
|
exit(1);
|
|
dump_mode(sk);
|
|
break;
|
|
}
|
|
|
|
syslog(LOG_INFO, "Exit");
|
|
|
|
closelog();
|
|
|
|
return 0;
|
|
}
|