mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-12-15 06:55:30 +08:00
325 lines
6.6 KiB
C
325 lines
6.6 KiB
C
/*
|
|
*
|
|
* BlueZ - Bluetooth protocol stack for Linux
|
|
*
|
|
* Copyright (C) 2000-2001 Qualcomm Incorporated
|
|
* 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 <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <getopt.h>
|
|
#include <signal.h>
|
|
#include <sys/time.h>
|
|
#include <poll.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include "lib/bluetooth.h"
|
|
#include "lib/hci.h"
|
|
#include "lib/hci_lib.h"
|
|
#include "lib/l2cap.h"
|
|
|
|
/* Defaults */
|
|
static bdaddr_t bdaddr;
|
|
static int size = 44;
|
|
static int ident = 200;
|
|
static int delay = 1;
|
|
static int count = -1;
|
|
static int timeout = 10;
|
|
static int reverse = 0;
|
|
static int verify = 0;
|
|
|
|
/* Stats */
|
|
static int sent_pkt = 0;
|
|
static int recv_pkt = 0;
|
|
|
|
static float tv2fl(struct timeval tv)
|
|
{
|
|
return (float)(tv.tv_sec*1000.0) + (float)(tv.tv_usec/1000.0);
|
|
}
|
|
|
|
static void stat(int sig)
|
|
{
|
|
int loss = sent_pkt ? (float)((sent_pkt-recv_pkt)/(sent_pkt/100.0)) : 0;
|
|
printf("%d sent, %d received, %d%% loss\n", sent_pkt, recv_pkt, loss);
|
|
exit(0);
|
|
}
|
|
|
|
static void ping(char *svr)
|
|
{
|
|
struct sigaction sa;
|
|
struct sockaddr_l2 addr;
|
|
socklen_t optlen;
|
|
unsigned char *send_buf;
|
|
unsigned char *recv_buf;
|
|
char str[18];
|
|
int i, sk, lost;
|
|
uint8_t id;
|
|
|
|
memset(&sa, 0, sizeof(sa));
|
|
sa.sa_handler = stat;
|
|
sigaction(SIGINT, &sa, NULL);
|
|
|
|
send_buf = malloc(L2CAP_CMD_HDR_SIZE + size);
|
|
recv_buf = malloc(L2CAP_CMD_HDR_SIZE + size);
|
|
if (!send_buf || !recv_buf) {
|
|
perror("Can't allocate buffer");
|
|
exit(1);
|
|
}
|
|
|
|
/* Create socket */
|
|
sk = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP);
|
|
if (sk < 0) {
|
|
perror("Can't create socket");
|
|
goto error;
|
|
}
|
|
|
|
/* Bind to local address */
|
|
memset(&addr, 0, sizeof(addr));
|
|
addr.l2_family = AF_BLUETOOTH;
|
|
bacpy(&addr.l2_bdaddr, &bdaddr);
|
|
|
|
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
|
|
perror("Can't bind socket");
|
|
goto error;
|
|
}
|
|
|
|
/* Connect to remote device */
|
|
memset(&addr, 0, sizeof(addr));
|
|
addr.l2_family = AF_BLUETOOTH;
|
|
str2ba(svr, &addr.l2_bdaddr);
|
|
|
|
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
|
|
perror("Can't connect");
|
|
goto error;
|
|
}
|
|
|
|
/* Get local address */
|
|
memset(&addr, 0, sizeof(addr));
|
|
optlen = sizeof(addr);
|
|
|
|
if (getsockname(sk, (struct sockaddr *) &addr, &optlen) < 0) {
|
|
perror("Can't get local address");
|
|
goto error;
|
|
}
|
|
|
|
ba2str(&addr.l2_bdaddr, str);
|
|
printf("Ping: %s from %s (data size %d) ...\n", svr, str, size);
|
|
|
|
/* Initialize send buffer */
|
|
for (i = 0; i < size; i++)
|
|
send_buf[L2CAP_CMD_HDR_SIZE + i] = (i % 40) + 'A';
|
|
|
|
id = ident;
|
|
|
|
while (count == -1 || count-- > 0) {
|
|
struct timeval tv_send, tv_recv, tv_diff;
|
|
l2cap_cmd_hdr *send_cmd = (l2cap_cmd_hdr *) send_buf;
|
|
l2cap_cmd_hdr *recv_cmd = (l2cap_cmd_hdr *) recv_buf;
|
|
|
|
/* Build command header */
|
|
send_cmd->ident = id;
|
|
send_cmd->len = htobs(size);
|
|
|
|
if (reverse)
|
|
send_cmd->code = L2CAP_ECHO_RSP;
|
|
else
|
|
send_cmd->code = L2CAP_ECHO_REQ;
|
|
|
|
gettimeofday(&tv_send, NULL);
|
|
|
|
/* Send Echo Command */
|
|
if (send(sk, send_buf, L2CAP_CMD_HDR_SIZE + size, 0) <= 0) {
|
|
perror("Send failed");
|
|
goto error;
|
|
}
|
|
|
|
/* Wait for Echo Response */
|
|
lost = 0;
|
|
while (1) {
|
|
struct pollfd pf[1];
|
|
int err;
|
|
|
|
pf[0].fd = sk;
|
|
pf[0].events = POLLIN;
|
|
|
|
if ((err = poll(pf, 1, timeout * 1000)) < 0) {
|
|
perror("Poll failed");
|
|
goto error;
|
|
}
|
|
|
|
if (!err) {
|
|
lost = 1;
|
|
break;
|
|
}
|
|
|
|
if ((err = recv(sk, recv_buf, L2CAP_CMD_HDR_SIZE + size, 0)) < 0) {
|
|
perror("Recv failed");
|
|
goto error;
|
|
}
|
|
|
|
if (!err){
|
|
printf("Disconnected\n");
|
|
goto error;
|
|
}
|
|
|
|
recv_cmd->len = btohs(recv_cmd->len);
|
|
|
|
/* Check for our id */
|
|
if (recv_cmd->ident != id)
|
|
continue;
|
|
|
|
/* Check type */
|
|
if (!reverse && recv_cmd->code == L2CAP_ECHO_RSP)
|
|
break;
|
|
|
|
if (recv_cmd->code == L2CAP_COMMAND_REJ) {
|
|
printf("Peer doesn't support Echo packets\n");
|
|
goto error;
|
|
}
|
|
|
|
}
|
|
sent_pkt++;
|
|
|
|
if (!lost) {
|
|
recv_pkt++;
|
|
|
|
gettimeofday(&tv_recv, NULL);
|
|
timersub(&tv_recv, &tv_send, &tv_diff);
|
|
|
|
if (verify) {
|
|
/* Check payload length */
|
|
if (recv_cmd->len != size) {
|
|
fprintf(stderr, "Received %d bytes, expected %d\n",
|
|
recv_cmd->len, size);
|
|
goto error;
|
|
}
|
|
|
|
/* Check payload */
|
|
if (memcmp(&send_buf[L2CAP_CMD_HDR_SIZE],
|
|
&recv_buf[L2CAP_CMD_HDR_SIZE], size)) {
|
|
fprintf(stderr, "Response payload different.\n");
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
printf("%d bytes from %s id %d time %.2fms\n", recv_cmd->len, svr,
|
|
id - ident, tv2fl(tv_diff));
|
|
|
|
if (delay)
|
|
sleep(delay);
|
|
} else {
|
|
printf("no response from %s: id %d\n", svr, id - ident);
|
|
}
|
|
|
|
if (++id > 254)
|
|
id = ident;
|
|
}
|
|
stat(0);
|
|
free(send_buf);
|
|
free(recv_buf);
|
|
return;
|
|
|
|
error:
|
|
close(sk);
|
|
free(send_buf);
|
|
free(recv_buf);
|
|
exit(1);
|
|
}
|
|
|
|
static void usage(void)
|
|
{
|
|
printf("l2ping - L2CAP ping\n");
|
|
printf("Usage:\n");
|
|
printf("\tl2ping [-i device] [-s size] [-c count] [-t timeout] [-d delay] [-f] [-r] [-v] <bdaddr>\n");
|
|
printf("\t-f Flood ping (delay = 0)\n");
|
|
printf("\t-r Reverse ping\n");
|
|
printf("\t-v Verify request and response payload\n");
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int opt;
|
|
|
|
/* Default options */
|
|
bacpy(&bdaddr, BDADDR_ANY);
|
|
|
|
while ((opt=getopt(argc,argv,"i:d:s:c:t:frv")) != EOF) {
|
|
switch(opt) {
|
|
case 'i':
|
|
if (!strncasecmp(optarg, "hci", 3))
|
|
hci_devba(atoi(optarg + 3), &bdaddr);
|
|
else
|
|
str2ba(optarg, &bdaddr);
|
|
break;
|
|
|
|
case 'd':
|
|
delay = atoi(optarg);
|
|
break;
|
|
|
|
case 'f':
|
|
/* Kinda flood ping */
|
|
delay = 0;
|
|
break;
|
|
|
|
case 'r':
|
|
/* Use responses instead of requests */
|
|
reverse = 1;
|
|
break;
|
|
|
|
case 'v':
|
|
verify = 1;
|
|
break;
|
|
|
|
case 'c':
|
|
count = atoi(optarg);
|
|
break;
|
|
|
|
case 't':
|
|
timeout = atoi(optarg);
|
|
break;
|
|
|
|
case 's':
|
|
size = atoi(optarg);
|
|
break;
|
|
|
|
default:
|
|
usage();
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (!(argc - optind)) {
|
|
usage();
|
|
exit(1);
|
|
}
|
|
|
|
ping(argv[optind]);
|
|
|
|
return 0;
|
|
}
|