/* * *  BlueZ - Bluetooth protocol stack for Linux * *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com> *  Copyright (C) 2002-2008  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;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;	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;	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] [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:")) != 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;		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;}