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-rw-r--r--test/rctest.c688
1 files changed, 688 insertions, 0 deletions
diff --git a/test/rctest.c b/test/rctest.c
new file mode 100644
index 00000000..08620d4e
--- /dev/null
+++ b/test/rctest.c
@@ -0,0 +1,688 @@
+/*
+ *
+ * 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 <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>
+
+/* 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 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 float tv2fl(struct timeval tv)
+{
+ return (float)tv.tv_sec + (float)(tv.tv_usec/1000000.0);
+}
+
+static int do_connect(char *svr)
+{
+ struct sockaddr_rc addr;
+ struct rfcomm_conninfo conn;
+ socklen_t optlen;
+ int sk, opt;
+
+ /* 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 */
+ 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;
+ }
+
+ /* 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;
+ }
+ }
+
+ 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;
+ uint32_t seq;
+
+ syslog(LOG_INFO, "Receiving ...");
+
+ memset(ts, 0, sizeof(ts));
+
+ seq = 0;
+ 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]\n"
+ "\t[-L seconds] enabled SO_LINGER option\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:B:N:MAESL: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 '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 '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;
+}
generated by cgit (git 2.34.1) at 2025-11-03 23:49:57 +0000