/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2002-2009 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 <unistd.h>
#include <stdlib.h>
#include <getopt.h>
#include <syslog.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/sco.h>
/* Test modes */
enum {
SEND,
RECV,
RECONNECT,
MULTY,
DUMP,
CONNECT
};
static unsigned char *buf;
/* Default data size */
static long data_size = 672;
/* Default packet type */
static uint16_t pkt_type = 0;
static bdaddr_t bdaddr;
static float tv2fl(struct timeval tv)
{
return (float)tv.tv_sec + (float)(tv.tv_usec/1000000.0);
}
static int do_connect(char *svr)
{
struct sockaddr_sco addr;
struct sco_conninfo conn;
socklen_t optlen;
int sk;
/* Create socket */
sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO);
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.sco_family = AF_BLUETOOTH;
bacpy(&addr.sco_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;
}
/* Connect to remote device */
memset(&addr, 0, sizeof(addr));
addr.sco_family = AF_BLUETOOTH;
addr.sco_pkt_type = pkt_type;
str2ba(svr, &addr.sco_bdaddr);
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_SCO, SCO_CONNINFO, &conn, &optlen) < 0) {
syslog(LOG_ERR, "Can't get SCO 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_sco addr;
struct sco_conninfo conn;
socklen_t optlen;
int sk, nsk;
char ba[18];
/* Create socket */
sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO);
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.sco_family = AF_BLUETOOTH;
addr.sco_pkt_type = pkt_type;
bacpy(&addr.sco_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;
}
/* Listen for connections */
if (listen(sk, 10)) {
syslog(LOG_ERR,"Can not listen on the socket: %s (%d)",
strerror(errno), errno);
goto error;
}
syslog(LOG_INFO,"Waiting for connection ...");
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_SCO, SCO_CONNINFO, &conn, &optlen) < 0) {
syslog(LOG_ERR, "Can't get SCO connection information: %s (%d)",
strerror(errno), errno);
close(nsk);
goto error;
}
ba2str(&addr.sco_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]);
handler(nsk);
syslog(LOG_INFO, "Disconnect");
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;
long total;
uint32_t seq;
syslog(LOG_INFO, "Receiving ...");
seq = 0;
while (1) {
gettimeofday(&tv_beg, NULL);
total = 0;
while (total < data_size) {
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;
}
total += r;
}
gettimeofday(&tv_end, NULL);
timersub(&tv_end, &tv_beg, &tv_diff);
syslog(LOG_INFO,"%ld bytes in %.2fm speed %.2f kb", total,
tv2fl(tv_diff) / 60.0,
(float)( total / tv2fl(tv_diff) ) / 1024.0 );
}
}
static void send_mode(char *svr)
{
struct sco_options so;
socklen_t len;
uint32_t seq;
int i, sk;
if ((sk = do_connect(svr)) < 0) {
syslog(LOG_ERR, "Can't connect to the server: %s (%d)",
strerror(errno), errno);
exit(1);
}
len = sizeof(so);
if (getsockopt(sk, SOL_SCO, SCO_OPTIONS, &so, &len) < 0) {
syslog(LOG_ERR, "Can't get SCO options: %s (%d)",
strerror(errno), errno);
exit(1);
}
syslog(LOG_INFO,"Sending ...");
for (i = 6; i < so.mtu; i++)
buf[i] = 0x7f;
seq = 0;
while (1) {
*(uint32_t *) buf = htobl(seq);
*(uint16_t *) (buf + 4) = htobs(data_size);
seq++;
if (send(sk, buf, so.mtu, 0) <= 0) {
syslog(LOG_ERR, "Send failed: %s (%d)",
strerror(errno), errno);
exit(1);
}
usleep(1);
}
}
static void reconnect_mode(char *svr)
{
while (1) {
int sk;
if ((sk = do_connect(svr)) < 0) {
syslog(LOG_ERR, "Can't connect to the server: %s (%d)",
strerror(errno), errno);
exit(1);
}
close(sk);
sleep(5);
}
}
static void multy_connect_mode(char *svr)
{
while (1) {
int i, sk;
for (i = 0; i < 10; i++){
if (fork())
continue;
/* Child */
sk = do_connect(svr);
if (sk < 0) {
syslog(LOG_ERR, "Can't connect to the server: %s (%d)",
strerror(errno), errno);
}
close(sk);
exit(0);
}
sleep(19);
}
}
static void usage(void)
{
printf("scotest - SCO testing\n"
"Usage:\n");
printf("\tscotest <mode> [-b bytes] [-p pkt_type] [bd_addr]\n");
printf("Modes:\n"
"\t-d dump (server)\n"
"\t-c reconnect (client)\n"
"\t-m multiple connects (client)\n"
"\t-r receive (server)\n"
"\t-s connect and send (client)\n"
"\t-n connect and be silent (client)\n");
}
int main(int argc ,char *argv[])
{
struct sigaction sa;
int opt, sk, mode = RECV;
while ((opt=getopt(argc,argv,"rdscmnb:p:")) != EOF) {
switch(opt) {
case 'r':
mode = RECV;
break;
case 's':
mode = SEND;
break;
case 'd':
mode = DUMP;
break;
case 'c':
mode = RECONNECT;
break;
case 'm':
mode = MULTY;
break;
case 'n':
mode = CONNECT;
break;
case 'b':
data_size = atoi(optarg);
break;
case 'p':
if (sscanf(optarg, "0x%4hx", &pkt_type) != 1) {
usage();
exit(1);
}
break;
default:
usage();
exit(1);
}
}
if (!(argc - optind) && (mode != RECV && mode != DUMP)) {
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("scotest", LOG_PERROR | LOG_PID, LOG_LOCAL0);
switch( mode ){
case RECV:
do_listen(recv_mode);
break;
case DUMP:
do_listen(dump_mode);
break;
case SEND:
send_mode(argv[optind]);
break;
case RECONNECT:
reconnect_mode(argv[optind]);
break;
case MULTY:
multy_connect_mode(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;
}