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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2011-2012 Intel Corporation
* Copyright (C) 2004-2010 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 <ctype.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include "monitor/mainloop.h"
#include "monitor/bt.h"
#include "src/shared/timeout.h"
#include "src/shared/util.h"
#include "src/shared/hci.h"
#define BTPROTO_HCI 1
struct hci_dev_stats {
uint32_t err_rx;
uint32_t err_tx;
uint32_t cmd_tx;
uint32_t evt_rx;
uint32_t acl_tx;
uint32_t acl_rx;
uint32_t sco_tx;
uint32_t sco_rx;
uint32_t byte_rx;
uint32_t byte_tx;
};
struct hci_dev_info {
uint16_t dev_id;
char name[8];
uint8_t bdaddr[6];
uint32_t flags;
uint8_t type;
uint8_t features[8];
uint32_t pkt_type;
uint32_t link_policy;
uint32_t link_mode;
uint16_t acl_mtu;
uint16_t acl_pkts;
uint16_t sco_mtu;
uint16_t sco_pkts;
struct hci_dev_stats stat;
};
#define HCIDEVUP _IOW('H', 201, int)
#define HCIDEVDOWN _IOW('H', 202, int)
#define HCIGETDEVINFO _IOR('H', 211, int)
#define HCI_UP (1 << 0)
#define HCI_BREDR 0x00
#define HCI_AMP 0x01
static struct hci_dev_info hci_info;
static uint8_t hci_type;
static struct bt_hci *hci_dev;
static bool reset_on_init = false;
static bool reset_on_shutdown = false;
static bool shutdown_timeout(void *user_data)
{
mainloop_quit();
return false;
}
static void shutdown_complete(const void *data, uint8_t size, void *user_data)
{
unsigned int id = PTR_TO_UINT(user_data);
timeout_remove(id);
mainloop_quit();
}
static void shutdown_device(void)
{
unsigned int id;
bt_hci_flush(hci_dev);
if (reset_on_shutdown) {
id = timeout_add(5000, shutdown_timeout, NULL, NULL);
bt_hci_send(hci_dev, BT_HCI_CMD_RESET, NULL, 0,
shutdown_complete, UINT_TO_PTR(id), NULL);
} else
mainloop_quit();
}
static void local_version_callback(const void *data, uint8_t size,
void *user_data)
{
const struct bt_hci_rsp_read_local_version *rsp = data;
printf("HCI version: %u\n", rsp->hci_ver);
printf("HCI revision: %u\n", le16_to_cpu(rsp->hci_rev));
switch (hci_type) {
case HCI_BREDR:
printf("LMP version: %u\n", rsp->lmp_ver);
printf("LMP subversion: %u\n", le16_to_cpu(rsp->lmp_subver));
break;
case HCI_AMP:
printf("PAL version: %u\n", rsp->lmp_ver);
printf("PAL subversion: %u\n", le16_to_cpu(rsp->lmp_subver));
break;
}
printf("Manufacturer: %u\n", le16_to_cpu(rsp->manufacturer));
}
static void local_commands_callback(const void *data, uint8_t size,
void *user_data)
{
shutdown_device();
}
static void local_features_callback(const void *data, uint8_t size,
void *user_data)
{
bt_hci_send(hci_dev, BT_HCI_CMD_READ_LOCAL_COMMANDS, NULL, 0,
local_commands_callback, NULL, NULL);
}
static bool cmd_local(int argc, char *argv[])
{
if (reset_on_init)
bt_hci_send(hci_dev, BT_HCI_CMD_RESET, NULL, 0,
NULL, NULL, NULL);
bt_hci_send(hci_dev, BT_HCI_CMD_READ_LOCAL_VERSION, NULL, 0,
local_version_callback, NULL, NULL);
bt_hci_send(hci_dev, BT_HCI_CMD_READ_LOCAL_FEATURES, NULL, 0,
local_features_callback, NULL, NULL);
return true;
}
typedef bool (*cmd_func_t)(int argc, char *argv[]);
static const struct {
const char *name;
cmd_func_t func;
const char *help;
} cmd_table[] = {
{ "local", cmd_local, "Print local controller details" },
{ }
};
static void signal_callback(int signum, void *user_data)
{
static bool terminated = false;
switch (signum) {
case SIGINT:
case SIGTERM:
if (!terminated) {
shutdown_device();
terminated = true;
}
break;
}
}
static void usage(void)
{
int i;
printf("btinfo - Bluetooth device testing tool\n"
"Usage:\n");
printf("\tbtinfo [options] <command>\n");
printf("options:\n"
"\t-i, --index <num> Use specified controller\n"
"\t-h, --help Show help options\n");
printf("commands:\n");
for (i = 0; cmd_table[i].name; i++)
printf("\t%-25s%s\n", cmd_table[i].name, cmd_table[i].help);
}
static const struct option main_options[] = {
{ "index", required_argument, NULL, 'i' },
{ "reset", no_argument, NULL, 'r' },
{ "raw", no_argument, NULL, 'R' },
{ "version", no_argument, NULL, 'v' },
{ "help", no_argument, NULL, 'h' },
{ }
};
int main(int argc, char *argv[])
{
cmd_func_t func = NULL;
uint16_t index = 0;
const char *str;
bool use_raw = false;
bool power_down = false;
sigset_t mask;
int fd, i, exit_status;
for (;;) {
int opt;
opt = getopt_long(argc, argv, "i:rRvh", main_options, NULL);
if (opt < 0)
break;
switch (opt) {
case 'i':
if (strlen(optarg) > 3 && !strncmp(optarg, "hci", 3))
str = optarg + 3;
else
str = optarg;
if (!isdigit(*str)) {
usage();
return EXIT_FAILURE;
}
index = atoi(str);
break;
case 'r':
reset_on_init = true;
break;
case 'R':
use_raw = true;
break;
case 'v':
printf("%s\n", VERSION);
return EXIT_SUCCESS;
case 'h':
usage();
return EXIT_SUCCESS;
default:
return EXIT_FAILURE;
}
}
if (argc - optind < 1) {
fprintf(stderr, "Missing command argument\n");
return EXIT_FAILURE;
}
for (i = 0; cmd_table[i].name; i++) {
if (!strcmp(cmd_table[i].name, argv[optind])) {
func = cmd_table[i].func;
break;
}
}
if (!func) {
fprintf(stderr, "Unsupported command specified\n");
return EXIT_FAILURE;
}
mainloop_init();
sigemptyset(&mask);
sigaddset(&mask, SIGINT);
sigaddset(&mask, SIGTERM);
mainloop_set_signal(&mask, signal_callback, NULL, NULL);
printf("Bluetooth information utility ver %s\n", VERSION);
fd = socket(AF_BLUETOOTH, SOCK_RAW | SOCK_CLOEXEC, BTPROTO_HCI);
if (fd < 0) {
perror("Failed to open HCI raw socket");
return EXIT_FAILURE;
}
memset(&hci_info, 0, sizeof(hci_info));
hci_info.dev_id = index;
if (ioctl(fd, HCIGETDEVINFO, (void *) &hci_info) < 0) {
perror("Failed to get HCI device information");
close(fd);
return EXIT_FAILURE;
}
if (use_raw && !(hci_info.flags & HCI_UP)) {
printf("Powering on controller\n");
if (ioctl(fd, HCIDEVUP, hci_info.dev_id) < 0) {
perror("Failed to power on controller");
close(fd);
return EXIT_FAILURE;
}
power_down = true;
}
close(fd);
hci_type = (hci_info.type & 0x30) >> 4;
if (use_raw) {
hci_dev = bt_hci_new_raw_device(index);
if (!hci_dev) {
fprintf(stderr, "Failed to open HCI raw device\n");
return EXIT_FAILURE;
}
} else {
hci_dev = bt_hci_new_user_channel(index);
if (!hci_dev) {
fprintf(stderr, "Failed to open HCI user channel\n");
return EXIT_FAILURE;
}
reset_on_init = true;
reset_on_shutdown = true;
}
if (!func(argc - optind - 1, argv + optind + 1)) {
bt_hci_unref(hci_dev);
return EXIT_FAILURE;
}
exit_status = mainloop_run();
bt_hci_unref(hci_dev);
if (use_raw && power_down) {
fd = socket(AF_BLUETOOTH, SOCK_RAW | SOCK_CLOEXEC, BTPROTO_HCI);
if (fd >= 0) {
printf("Powering down controller\n");
if (ioctl(fd, HCIDEVDOWN, hci_info.dev_id) < 0)
perror("Failed to power down controller");
close(fd);
}
}
return exit_status;
}