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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2002-2010 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <getopt.h>
#include <syslog.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/hci_lib.h>
#include <bluetooth/rfcomm.h>
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
/* Test modes */
enum {
SEND,
RECV,
RECONNECT,
MULTY,
DUMP,
CONNECT,
CRECV,
LSEND
};
static unsigned char *buf;
/* Default data size */
static long data_size = 127;
static long num_frames = -1;
/* Default number of consecutive frames before the delay */
static int count = 1;
/* Default delay after sending count number of frames */
static unsigned long delay = 0;
/* Default addr and channel */
static bdaddr_t bdaddr;
static uint16_t uuid = 0x0000;
static uint8_t channel = 10;
static char *filename = NULL;
static int master = 0;
static int auth = 0;
static int encrypt = 0;
static int secure = 0;
static int socktype = SOCK_STREAM;
static int linger = 0;
static int timestamp = 0;
static int defer_setup = 0;
static float tv2fl(struct timeval tv)
{
return (float)tv.tv_sec + (float)(tv.tv_usec/1000000.0);
}
static uint8_t get_channel(const char *svr, uint16_t uuid)
{
sdp_session_t *sdp;
sdp_list_t *srch, *attrs, *rsp;
uuid_t svclass;
uint16_t attr;
bdaddr_t dst;
uint8_t channel = 0;
int err;
str2ba(svr, &dst);
sdp = sdp_connect(&bdaddr, &dst, SDP_RETRY_IF_BUSY);
if (!sdp)
return 0;
sdp_uuid16_create(&svclass, uuid);
srch = sdp_list_append(NULL, &svclass);
attr = SDP_ATTR_PROTO_DESC_LIST;
attrs = sdp_list_append(NULL, &attr);
err = sdp_service_search_attr_req(sdp, srch,
SDP_ATTR_REQ_INDIVIDUAL, attrs, &rsp);
if (err)
goto done;
for (; rsp; rsp = rsp->next) {
sdp_record_t *rec = (sdp_record_t *) rsp->data;
sdp_list_t *protos;
if (!sdp_get_access_protos(rec, &protos)) {
channel = sdp_get_proto_port(protos, RFCOMM_UUID);
if (channel > 0)
break;
}
}
done:
sdp_close(sdp);
return channel;
}
static int do_connect(const char *svr)
{
struct sockaddr_rc addr;
struct rfcomm_conninfo conn;
socklen_t optlen;
int sk, opt;
if (uuid != 0x0000)
channel = get_channel(svr, uuid);
if (channel == 0) {
syslog(LOG_ERR, "Can't get channel number");
return -1;
}
/* Create socket */
sk = socket(PF_BLUETOOTH, socktype, BTPROTO_RFCOMM);
if (sk < 0) {
syslog(LOG_ERR, "Can't create socket: %s (%d)",
strerror(errno), errno);
return -1;
}
/* Bind to local address */
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, &bdaddr);
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
syslog(LOG_ERR, "Can't bind socket: %s (%d)",
strerror(errno), errno);
goto error;
}
#if 0
/* Enable SO_TIMESTAMP */
if (timestamp) {
int t = 1;
if (setsockopt(sk, SOL_SOCKET, SO_TIMESTAMP, &t, sizeof(t)) < 0) {
syslog(LOG_ERR, "Can't enable SO_TIMESTAMP: %s (%d)",
strerror(errno), errno);
goto error;
}
}
#endif
/* Enable SO_LINGER */
if (linger) {
struct linger l = { .l_onoff = 1, .l_linger = linger };
if (setsockopt(sk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
syslog(LOG_ERR, "Can't enable SO_LINGER: %s (%d)",
strerror(errno), errno);
goto error;
}
}
/* Set link mode */
opt = 0;
if (master)
opt |= RFCOMM_LM_MASTER;
if (auth)
opt |= RFCOMM_LM_AUTH;
if (encrypt)
opt |= RFCOMM_LM_ENCRYPT;
if (secure)
opt |= RFCOMM_LM_SECURE;
if (opt && setsockopt(sk, SOL_RFCOMM, RFCOMM_LM, &opt, sizeof(opt)) < 0) {
syslog(LOG_ERR, "Can't set RFCOMM link mode: %s (%d)",
strerror(errno), errno);
goto error;
}
/* Connect to remote device */
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
str2ba(svr, &addr.rc_bdaddr);
addr.rc_channel = channel;
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
syslog(LOG_ERR, "Can't connect: %s (%d)",
strerror(errno), errno);
goto error;
}
/* Get connection information */
memset(&conn, 0, sizeof(conn));
optlen = sizeof(conn);
if (getsockopt(sk, SOL_RFCOMM, RFCOMM_CONNINFO, &conn, &optlen) < 0) {
syslog(LOG_ERR, "Can't get RFCOMM connection information: %s (%d)",
strerror(errno), errno);
//goto error;
}
syslog(LOG_INFO, "Connected [handle %d, class 0x%02x%02x%02x]",
conn.hci_handle,
conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]);
return sk;
error:
close(sk);
return -1;
}
static void do_listen(void (*handler)(int sk))
{
struct sockaddr_rc addr;
struct rfcomm_conninfo conn;
socklen_t optlen;
int sk, nsk, opt;
char ba[18];
/* Create socket */
sk = socket(PF_BLUETOOTH, socktype, BTPROTO_RFCOMM);
if (sk < 0) {
syslog(LOG_ERR, "Can't create socket: %s (%d)",
strerror(errno), errno);
exit(1);
}
/* Bind to local address */
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, &bdaddr);
addr.rc_channel = channel;
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
syslog(LOG_ERR, "Can't bind socket: %s (%d)",
strerror(errno), errno);
goto error;
}
/* Set link mode */
opt = 0;
if (master)
opt |= RFCOMM_LM_MASTER;
if (auth)
opt |= RFCOMM_LM_AUTH;
if (encrypt)
opt |= RFCOMM_LM_ENCRYPT;
if (secure)
opt |= RFCOMM_LM_SECURE;
if (opt && setsockopt(sk, SOL_RFCOMM, RFCOMM_LM, &opt, sizeof(opt)) < 0) {
syslog(LOG_ERR, "Can't set RFCOMM link mode: %s (%d)",
strerror(errno), errno);
goto error;
}
/* Enable deferred setup */
opt = defer_setup;
if (opt && setsockopt(sk, SOL_BLUETOOTH, BT_DEFER_SETUP,
&opt, sizeof(opt)) < 0) {
syslog(LOG_ERR, "Can't enable deferred setup : %s (%d)",
strerror(errno), errno);
goto error;
}
/* Listen for connections */
if (listen(sk, 10)) {
syslog(LOG_ERR,"Can not listen on the socket: %s (%d)",
strerror(errno), errno);
goto error;
}
/* Check for socket address */
memset(&addr, 0, sizeof(addr));
optlen = sizeof(addr);
if (getsockname(sk, (struct sockaddr *) &addr, &optlen) < 0) {
syslog(LOG_ERR, "Can't get socket name: %s (%d)",
strerror(errno), errno);
goto error;
}
channel = addr.rc_channel;
syslog(LOG_INFO, "Waiting for connection on channel %d ...", channel);
while (1) {
memset(&addr, 0, sizeof(addr));
optlen = sizeof(addr);
nsk = accept(sk, (struct sockaddr *) &addr, &optlen);
if (nsk < 0) {
syslog(LOG_ERR,"Accept failed: %s (%d)",
strerror(errno), errno);
goto error;
}
if (fork()) {
/* Parent */
close(nsk);
continue;
}
/* Child */
close(sk);
/* Get connection information */
memset(&conn, 0, sizeof(conn));
optlen = sizeof(conn);
if (getsockopt(nsk, SOL_RFCOMM, RFCOMM_CONNINFO, &conn, &optlen) < 0) {
syslog(LOG_ERR, "Can't get RFCOMM connection information: %s (%d)",
strerror(errno), errno);
//close(nsk);
//goto error;
}
ba2str(&addr.rc_bdaddr, ba);
syslog(LOG_INFO, "Connect from %s [handle %d, class 0x%02x%02x%02x]",
ba, conn.hci_handle,
conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]);
#if 0
/* Enable SO_TIMESTAMP */
if (timestamp) {
int t = 1;
if (setsockopt(nsk, SOL_SOCKET, SO_TIMESTAMP, &t, sizeof(t)) < 0) {
syslog(LOG_ERR, "Can't enable SO_TIMESTAMP: %s (%d)",
strerror(errno), errno);
goto error;
}
}
#endif
/* Enable SO_LINGER */
if (linger) {
struct linger l = { .l_onoff = 1, .l_linger = linger };
if (setsockopt(nsk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)) < 0) {
syslog(LOG_ERR, "Can't enable SO_LINGER: %s (%d)",
strerror(errno), errno);
close(nsk);
goto error;
}
}
/* Handle deferred setup */
if (defer_setup) {
syslog(LOG_INFO, "Waiting for %d seconds",
abs(defer_setup) - 1);
sleep(abs(defer_setup) - 1);
if (defer_setup < 0) {
close(nsk);
goto error;
}
}
handler(nsk);
syslog(LOG_INFO, "Disconnect: %m");
exit(0);
}
return;
error:
close(sk);
exit(1);
}
static void dump_mode(int sk)
{
int len;
syslog(LOG_INFO, "Receiving ...");
while ((len = read(sk, buf, data_size)) > 0)
syslog(LOG_INFO, "Recevied %d bytes", len);
}
static void recv_mode(int sk)
{
struct timeval tv_beg, tv_end, tv_diff;
char ts[30];
long total;
syslog(LOG_INFO, "Receiving ...");
memset(ts, 0, sizeof(ts));
while (1) {
gettimeofday(&tv_beg,NULL);
total = 0;
while (total < data_size) {
//uint32_t sq;
//uint16_t l;
int r;
if ((r = recv(sk, buf, data_size, 0)) < 0) {
if (r < 0)
syslog(LOG_ERR, "Read failed: %s (%d)",
strerror(errno), errno);
return;
}
if (timestamp) {
struct timeval tv;
if (ioctl(sk, SIOCGSTAMP, &tv) < 0) {
timestamp = 0;
memset(ts, 0, sizeof(ts));
} else {
sprintf(ts, "[%ld.%ld] ",
tv.tv_sec, tv.tv_usec);
}
}
#if 0
/* Check sequence */
sq = btohl(*(uint32_t *) buf);
if (seq != sq) {
syslog(LOG_INFO, "seq missmatch: %d -> %d", seq, sq);
seq = sq;
}
seq++;
/* Check length */
l = btohs(*(uint16_t *) (buf + 4));
if (r != l) {
syslog(LOG_INFO, "size missmatch: %d -> %d", r, l);
continue;
}
/* Verify data */
for (i = 6; i < r; i++) {
if (buf[i] != 0x7f)
syslog(LOG_INFO, "data missmatch: byte %d 0x%2.2x", i, buf[i]);
}
#endif
total += r;
}
gettimeofday(&tv_end,NULL);
timersub(&tv_end,&tv_beg,&tv_diff);
syslog(LOG_INFO,"%s%ld bytes in %.2f sec, %.2f kB/s", ts, total,
tv2fl(tv_diff), (float)(total / tv2fl(tv_diff) ) / 1024.0);
}
}
static void do_send(int sk)
{
uint32_t seq;
int i, fd, len;
syslog(LOG_INFO,"Sending ...");
if (filename) {
fd = open(filename, O_RDONLY);
if (fd < 0) {
syslog(LOG_ERR, "Open failed: %s (%d)",
strerror(errno), errno);
exit(1);
}
len = read(fd, buf, data_size);
send(sk, buf, len, 0);
return;
} else {
for (i = 6; i < data_size; i++)
buf[i] = 0x7f;
}
seq = 0;
while ((num_frames == -1) || (num_frames-- > 0)) {
*(uint32_t *) buf = htobl(seq);
*(uint16_t *) (buf + 4) = htobs(data_size);
seq++;
if (send(sk, buf, data_size, 0) <= 0) {
syslog(LOG_ERR, "Send failed: %s (%d)",
strerror(errno), errno);
exit(1);
}
if (num_frames && delay && count && !(seq % count))
usleep(delay);
}
}
static void send_mode(int sk)
{
do_send(sk);
syslog(LOG_INFO, "Closing channel ...");
if (shutdown(sk, SHUT_RDWR) < 0)
syslog(LOG_INFO, "Close failed: %m");
else
syslog(LOG_INFO, "Done");
}
static void reconnect_mode(char *svr)
{
while(1) {
int sk = do_connect(svr);
close(sk);
}
}
static void multi_connect_mode(int argc, char *argv[])
{
int i, n, sk;
while (1) {
for (n = 0; n < argc; n++) {
for (i = 0; i < count; i++) {
if (fork())
continue;
/* Child */
sk = do_connect(argv[n]);
usleep(500);
close(sk);
exit(0);
}
}
sleep(4);
}
}
static void usage(void)
{
printf("rctest - RFCOMM testing\n"
"Usage:\n");
printf("\trctest <mode> [options] [bdaddr]\n");
printf("Modes:\n"
"\t-r listen and receive\n"
"\t-w listen and send\n"
"\t-d listen and dump incoming data\n"
"\t-s connect and send\n"
"\t-u connect and receive\n"
"\t-n connect and be silent\n"
"\t-c connect, disconnect, connect, ...\n"
"\t-m multiple connects\n");
printf("Options:\n"
"\t[-b bytes] [-i device] [-P channel] [-U uuid]\n"
"\t[-L seconds] enabled SO_LINGER option\n"
"\t[-W seconds] enable deferred setup\n"
"\t[-B filename] use data packets from file\n"
"\t[-N num] number of frames to send\n"
"\t[-C num] send num frames before delay (default = 1)\n"
"\t[-D milliseconds] delay after sending num frames (default = 0)\n"
"\t[-A] request authentication\n"
"\t[-E] request encryption\n"
"\t[-S] secure connection\n"
"\t[-M] become master\n"
"\t[-T] enable timestamps\n");
}
int main(int argc, char *argv[])
{
struct sigaction sa;
int opt, sk, mode = RECV, need_addr = 0;
bacpy(&bdaddr, BDADDR_ANY);
while ((opt=getopt(argc,argv,"rdscuwmnb:i:P:U:B:N:MAESL:W:C:D:T")) != EOF) {
switch (opt) {
case 'r':
mode = RECV;
break;
case 's':
mode = SEND;
need_addr = 1;
break;
case 'w':
mode = LSEND;
break;
case 'u':
mode = CRECV;
need_addr = 1;
break;
case 'd':
mode = DUMP;
break;
case 'c':
mode = RECONNECT;
need_addr = 1;
break;
case 'n':
mode = CONNECT;
need_addr = 1;
break;
case 'm':
mode = MULTY;
need_addr = 1;
break;
case 'b':
data_size = atoi(optarg);
break;
case 'i':
if (!strncasecmp(optarg, "hci", 3))
hci_devba(atoi(optarg + 3), &bdaddr);
else
str2ba(optarg, &bdaddr);
break;
case 'P':
channel = atoi(optarg);
break;
case 'U':
if (!strcasecmp(optarg, "spp"))
uuid = SERIAL_PORT_SVCLASS_ID;
else if (!strncasecmp(optarg, "0x", 2))
uuid = strtoul(optarg + 2, NULL, 16);
else
uuid = atoi(optarg);
break;
case 'M':
master = 1;
break;
case 'A':
auth = 1;
break;
case 'E':
encrypt = 1;
break;
case 'S':
secure = 1;
break;
case 'L':
linger = atoi(optarg);
break;
case 'W':
defer_setup = atoi(optarg);
break;
case 'B':
filename = strdup(optarg);
break;
case 'N':
num_frames = atoi(optarg);
break;
case 'C':
count = atoi(optarg);
break;
case 'D':
delay = atoi(optarg) * 1000;
break;
case 'T':
timestamp = 1;
break;
default:
usage();
exit(1);
}
}
if (need_addr && !(argc - optind)) {
usage();
exit(1);
}
if (!(buf = malloc(data_size))) {
perror("Can't allocate data buffer");
exit(1);
}
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
sa.sa_flags = SA_NOCLDSTOP;
sigaction(SIGCHLD, &sa, NULL);
openlog("rctest", LOG_PERROR | LOG_PID, LOG_LOCAL0);
switch (mode) {
case RECV:
do_listen(recv_mode);
break;
case CRECV:
sk = do_connect(argv[optind]);
if (sk < 0)
exit(1);
recv_mode(sk);
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;
}
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