/*
* Copyright (C) 2013 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include <cutils/properties.h>
#include "hal.h"
#include "hal-utils.h"
/*
* converts uuid to string
* buf should be at least 39 bytes
*
* returns string representation of uuid
*/
const char *bt_uuid_t2str(const uint8_t *uuid, char *buf)
{
int shift = 0;
unsigned int i;
int is_bt;
if (!uuid)
return strcpy(buf, "NULL");
is_bt = !memcmp(&uuid[4], &BT_BASE_UUID[4], HAL_UUID_LEN - 4);
for (i = 0; i < HAL_UUID_LEN; i++) {
if (i == 4 && is_bt)
break;
if (i == 4 || i == 6 || i == 8 || i == 10) {
buf[i * 2 + shift] = '-';
shift++;
}
sprintf(buf + i * 2 + shift, "%02x", uuid[i]);
}
return buf;
}
const char *btuuid2str(const uint8_t *uuid)
{
static char buf[MAX_UUID_STR_LEN];
return bt_uuid_t2str(uuid, buf);
}
INTMAP(bt_status_t, -1, "(unknown)")
DELEMENT(BT_STATUS_SUCCESS),
DELEMENT(BT_STATUS_FAIL),
DELEMENT(BT_STATUS_NOT_READY),
DELEMENT(BT_STATUS_NOMEM),
DELEMENT(BT_STATUS_BUSY),
DELEMENT(BT_STATUS_DONE),
DELEMENT(BT_STATUS_UNSUPPORTED),
DELEMENT(BT_STATUS_PARM_INVALID),
DELEMENT(BT_STATUS_UNHANDLED),
DELEMENT(BT_STATUS_AUTH_FAILURE),
DELEMENT(BT_STATUS_RMT_DEV_DOWN),
ENDMAP
INTMAP(bt_state_t, -1, "(unknown)")
DELEMENT(BT_STATE_OFF),
DELEMENT(BT_STATE_ON),
ENDMAP
INTMAP(bt_device_type_t, -1, "(unknown)")
DELEMENT(BT_DEVICE_DEVTYPE_BREDR),
DELEMENT(BT_DEVICE_DEVTYPE_BLE),
DELEMENT(BT_DEVICE_DEVTYPE_DUAL),
ENDMAP
INTMAP(bt_scan_mode_t, -1, "(unknown)")
DELEMENT(BT_SCAN_MODE_NONE),
DELEMENT(BT_SCAN_MODE_CONNECTABLE),
DELEMENT(BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE),
ENDMAP
INTMAP(bt_discovery_state_t, -1, "(unknown)")
DELEMENT(BT_DISCOVERY_STOPPED),
DELEMENT(BT_DISCOVERY_STARTED),
ENDMAP
INTMAP(bt_acl_state_t, -1, "(unknown)")
DELEMENT(BT_ACL_STATE_CONNECTED),
DELEMENT(BT_ACL_STATE_DISCONNECTED),
ENDMAP
INTMAP(bt_bond_state_t, -1, "(unknown)")
DELEMENT(BT_BOND_STATE_NONE),
DELEMENT(BT_BOND_STATE_BONDING),
DELEMENT(BT_BOND_STATE_BONDED),
ENDMAP
INTMAP(bt_ssp_variant_t, -1, "(unknown)")
DELEMENT(BT_SSP_VARIANT_PASSKEY_CONFIRMATION),
DELEMENT(BT_SSP_VARIANT_PASSKEY_ENTRY),
DELEMENT(BT_SSP_VARIANT_CONSENT),
DELEMENT(BT_SSP_VARIANT_PASSKEY_NOTIFICATION),
ENDMAP
#if ANDROID_VERSION >= PLATFORM_VER(5, 0, 0)
INTMAP(bt_property_type_t, -1, "(unknown)")
DELEMENT(BT_PROPERTY_BDNAME),
DELEMENT(BT_PROPERTY_BDADDR),
DELEMENT(BT_PROPERTY_UUIDS),
DELEMENT(BT_PROPERTY_CLASS_OF_DEVICE),
DELEMENT(BT_PROPERTY_TYPE_OF_DEVICE),
DELEMENT(BT_PROPERTY_SERVICE_RECORD),
DELEMENT(BT_PROPERTY_ADAPTER_SCAN_MODE),
DELEMENT(BT_PROPERTY_ADAPTER_BONDED_DEVICES),
DELEMENT(BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT),
DELEMENT(BT_PROPERTY_REMOTE_FRIENDLY_NAME),
DELEMENT(BT_PROPERTY_REMOTE_RSSI),
DELEMENT(BT_PROPERTY_REMOTE_VERSION_INFO),
DELEMENT(BT_PROPERTY_LOCAL_LE_FEATURES),
DELEMENT(BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP),
ENDMAP
#else
INTMAP(bt_property_type_t, -1, "(unknown)")
DELEMENT(BT_PROPERTY_BDNAME),
DELEMENT(BT_PROPERTY_BDADDR),
DELEMENT(BT_PROPERTY_UUIDS),
DELEMENT(BT_PROPERTY_CLASS_OF_DEVICE),
DELEMENT(BT_PROPERTY_TYPE_OF_DEVICE),
DELEMENT(BT_PROPERTY_SERVICE_RECORD),
DELEMENT(BT_PROPERTY_ADAPTER_SCAN_MODE),
DELEMENT(BT_PROPERTY_ADAPTER_BONDED_DEVICES),
DELEMENT(BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT),
DELEMENT(BT_PROPERTY_REMOTE_FRIENDLY_NAME),
DELEMENT(BT_PROPERTY_REMOTE_RSSI),
DELEMENT(BT_PROPERTY_REMOTE_VERSION_INFO),
DELEMENT(BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP),
ENDMAP
#endif
INTMAP(bt_cb_thread_evt, -1, "(unknown)")
DELEMENT(ASSOCIATE_JVM),
DELEMENT(DISASSOCIATE_JVM),
ENDMAP
/* Find first index of given value in table m */
int int2str_findint(int v, const struct int2str m[])
{
int i;
for (i = 0; m[i].str; ++i) {
if (m[i].val == v)
return i;
}
return -1;
}
/* Find first index of given string in table m */
int int2str_findstr(const char *str, const struct int2str m[])
{
int i;
for (i = 0; m[i].str; ++i) {
if (strcmp(m[i].str, str) == 0)
return i;
}
return -1;
}
/*
* convert bd_addr to string
* buf must be at least 18 char long
*
* returns buf
*/
const char *bt_bdaddr_t2str(const bt_bdaddr_t *bd_addr, char *buf)
{
const uint8_t *p;
if (!bd_addr)
return strcpy(buf, "NULL");
p = bd_addr->address;
snprintf(buf, MAX_ADDR_STR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
p[0], p[1], p[2], p[3], p[4], p[5]);
return buf;
}
/* converts string to bt_bdaddr_t */
void str2bt_bdaddr_t(const char *str, bt_bdaddr_t *bd_addr)
{
uint8_t *p = bd_addr->address;
sscanf(str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
&p[0], &p[1], &p[2], &p[3], &p[4], &p[5]);
}
/* converts string to uuid */
void str2bt_uuid_t(const char *str, bt_uuid_t *uuid)
{
int i = 0;
memcpy(uuid, BT_BASE_UUID, sizeof(bt_uuid_t));
while (*str && i < (int) sizeof(bt_uuid_t)) {
while (*str == '-')
str++;
if (sscanf(str, "%02hhx", &uuid->uu[i]) != 1)
break;
i++;
str += 2;
}
}
const char *enum_defines(void *v, int i)
{
const struct int2str *m = v;
return m[i].str != NULL ? m[i].str : NULL;
}
const char *enum_strings(void *v, int i)
{
const char **m = v;
return m[i] != NULL ? m[i] : NULL;
}
const char *enum_one_string(void *v, int i)
{
const char *m = v;
return (i == 0) && (m[0] != 0) ? m : NULL;
}
const char *bdaddr2str(const bt_bdaddr_t *bd_addr)
{
static char buf[MAX_ADDR_STR_LEN];
return bt_bdaddr_t2str(bd_addr, buf);
}
static void bonded_devices2string(char *str, void *prop, int prop_len)
{
int count = prop_len / sizeof(bt_bdaddr_t);
bt_bdaddr_t *addr = prop;
strcat(str, "{");
while (count--) {
strcat(str, bdaddr2str(addr));
if (count)
strcat(str, ", ");
addr++;
}
strcat(str, "}");
}
static void uuids2string(char *str, void *prop, int prop_len)
{
int count = prop_len / sizeof(bt_uuid_t);
bt_uuid_t *uuid = prop;
strcat(str, "{");
while (count--) {
strcat(str, btuuid2str(uuid->uu));
if (count)
strcat(str, ", ");
uuid++;
}
strcat(str, "}");
}
#if ANDROID_VERSION >= PLATFORM_VER(5, 0, 0)
static void local_le_feat2string(char *str, const bt_local_le_features_t *f)
{
uint16_t scan_num;
str += sprintf(str, "{\n");
str += sprintf(str, "Privacy supported: %s,\n",
f->local_privacy_enabled ? "TRUE" : "FALSE");
str += sprintf(str, "Num of advertising instances: %u,\n",
f->max_adv_instance);
str += sprintf(str, "PRA offloading support: %s,\n",
f->rpa_offload_supported ? "TRUE" : "FALSE");
str += sprintf(str, "Num of offloaded IRKs: %u,\n",
f->max_irk_list_size);
str += sprintf(str, "Num of offloaded scan filters: %u,\n",
f->max_adv_filter_supported);
scan_num = (f->scan_result_storage_size_hibyte << 8) +
f->scan_result_storage_size_lobyte;
str += sprintf(str, "Num of offloaded scan results: %u,\n", scan_num);
str += sprintf(str, "Activity & energy report support: %s\n",
f->activity_energy_info_supported ? "TRUE" : "FALSE");
sprintf(str, "}");
}
#endif
const char *btproperty2str(const bt_property_t *property)
{
bt_service_record_t *rec;
static char buf[4096];
char *p;
p = buf + sprintf(buf, "type=%s len=%d val=",
bt_property_type_t2str(property->type),
property->len);
switch (property->type) {
case BT_PROPERTY_BDNAME:
case BT_PROPERTY_REMOTE_FRIENDLY_NAME:
snprintf(p, property->len + 1, "%s",
((bt_bdname_t *) property->val)->name);
break;
case BT_PROPERTY_BDADDR:
sprintf(p, "%s", bdaddr2str((bt_bdaddr_t *) property->val));
break;
case BT_PROPERTY_CLASS_OF_DEVICE:
sprintf(p, "%06x", *((int *) property->val));
break;
case BT_PROPERTY_TYPE_OF_DEVICE:
sprintf(p, "%s", bt_device_type_t2str(
*((bt_device_type_t *) property->val)));
break;
case BT_PROPERTY_REMOTE_RSSI:
sprintf(p, "%d", *((char *) property->val));
break;
case BT_PROPERTY_ADAPTER_SCAN_MODE:
sprintf(p, "%s",
bt_scan_mode_t2str(*((bt_scan_mode_t *) property->val)));
break;
case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT:
sprintf(p, "%d", *((int *) property->val));
break;
case BT_PROPERTY_ADAPTER_BONDED_DEVICES:
bonded_devices2string(p, property->val, property->len);
break;
case BT_PROPERTY_UUIDS:
uuids2string(p, property->val, property->len);
break;
case BT_PROPERTY_SERVICE_RECORD:
rec = property->val;
sprintf(p, "{%s, %d, %s}", btuuid2str(rec->uuid.uu),
rec->channel, rec->name);
break;
#if ANDROID_VERSION >= PLATFORM_VER(5, 0, 0)
case BT_PROPERTY_LOCAL_LE_FEATURES:
local_le_feat2string(p, property->val);
break;
#endif
case BT_PROPERTY_REMOTE_VERSION_INFO:
case BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP:
default:
sprintf(p, "%p", property->val);
break;
}
return buf;
}
#define PROP_PREFIX "persist.sys.bluetooth."
#define PROP_PREFIX_RO "ro.bluetooth."
int get_config(const char *config_key, char *value, const char *fallback)
{
char key[PROPERTY_KEY_MAX];
int ret;
if (strlen(config_key) + sizeof(PROP_PREFIX) > sizeof(key))
return 0;
snprintf(key, sizeof(key), PROP_PREFIX"%s", config_key);
ret = property_get(key, value, "");
if (ret > 0)
return ret;
snprintf(key, sizeof(key), PROP_PREFIX_RO"%s", config_key);
ret = property_get(key, value, "");
if (ret > 0)
return ret;
if (!fallback)
return 0;
return property_get(fallback, value, "");
}