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Bluetooth: shell: Add GATT write cmd throughput measurement

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Add shell command to test GATT write cmd throughput between
two test shell peers.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2017-05-14 06:50:44 +02:00 • committed by Johan Hedberg
commit a7afc75c8a
1 changed files with 157 additions and 1 deletions
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158
tests/bluetooth/shell/src/main.c
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@ -37,6 +37,7 @@
#define DEVICE_NAME CONFIG_BLUETOOTH_DEVICE_NAME
#define DEVICE_NAME_LEN (sizeof(DEVICE_NAME) - 1)
#define CHAR_SIZE_MAX 512
#define CREDITS 10
#define DATA_MTU (23 * CREDITS)
#define DATA_BREDR_MTU 48
@ -1193,7 +1194,7 @@ static int cmd_gatt_mread(int argc, char *argv[])
}
static struct bt_gatt_write_params write_params;
static u8_t gatt_write_buf[512]; /* max value size */
static u8_t gatt_write_buf[CHAR_SIZE_MAX];
static void write_func(struct bt_conn *conn, u8_t err,
struct bt_gatt_write_params *params)
@ -1280,6 +1281,50 @@ static int cmd_gatt_write_without_rsp(int argc, char *argv[])
return 0;
}
static int cmd_gatt_write_without_rsp_repeated(int argc, char *argv[])
{
int err = 0;
u16_t handle;
u16_t octets;
u16_t repeat;
if (!default_conn) {
printk("Not connected\n");
return 0;
}
if (argc < 2) {
return -EINVAL;
}
handle = strtoul(argv[1], NULL, 16);
if (argc > 2) {
octets = min(strtoul(argv[2], NULL, 16), CHAR_SIZE_MAX);
} else {
octets = 1;
}
if (argc > 3) {
repeat = strtoul(argv[3], NULL, 16);
} else {
repeat = 1;
}
while (repeat--) {
err = bt_gatt_write_without_response(default_conn, handle,
gatt_write_buf, octets,
false);
if (err) {
break;
}
}
printk("Repeated Write Complete (err %d).\n", err);
return 0;
}
static int cmd_gatt_write_signed(int argc, char *argv[])
{
int err;
@ -1528,6 +1573,112 @@ static int cmd_hrs_simulate(int argc, char *argv[])
return 0;
}
static struct bt_uuid_128 met_svc_uuid = BT_UUID_INIT_128(
0x01, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12,
0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12);
static const struct bt_uuid_128 met_char_uuid = BT_UUID_INIT_128(
0x02, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12,
0x78, 0x56, 0x34, 0x12, 0x78, 0x56, 0x34, 0x12);
static u8_t met_char_value[CHAR_SIZE_MAX] = {
'M', 'e', 't', 'r', 'i', 'c', 's' };
static ssize_t read_met(struct bt_conn *conn, const struct bt_gatt_attr *attr,
void *buf, u16_t len, u16_t offset)
{
const char *value = attr->user_data;
u16_t value_len;
value_len = min(strlen(value), CHAR_SIZE_MAX);
return bt_gatt_attr_read(conn, attr, buf, len, offset, value,
value_len);
}
static u32_t write_count;
static u32_t write_len;
static u32_t write_rate;
static ssize_t write_met(struct bt_conn *conn, const struct bt_gatt_attr *attr,
const void *buf, u16_t len, u16_t offset,
u8_t flags)
{
u8_t *value = attr->user_data;
static u32_t cycle_stamp;
u32_t delta;
if (offset + len > sizeof(met_char_value)) {
return BT_GATT_ERR(BT_ATT_ERR_INVALID_OFFSET);
}
memcpy(value + offset, buf, len);
delta = k_cycle_get_32() - cycle_stamp;
delta = SYS_CLOCK_HW_CYCLES_TO_NS(delta);
/* if last data rx-ed was greater than 1 second in the past,
* reset the metrics.
*/
if (delta > 1000000000) {
write_count = 0;
write_len = 0;
write_rate = 0;
cycle_stamp = k_cycle_get_32();
} else {
write_count++;
write_len += len;
write_rate = ((u64_t)write_len << 3) * 1000000000 / delta;
}
return len;
}
static struct bt_gatt_attr met_attrs[] = {
BT_GATT_PRIMARY_SERVICE(&met_svc_uuid),
BT_GATT_CHARACTERISTIC(&met_char_uuid.uuid,
BT_GATT_CHRC_READ | BT_GATT_CHRC_WRITE),
BT_GATT_DESCRIPTOR(&met_char_uuid.uuid,
BT_GATT_PERM_READ | BT_GATT_PERM_WRITE,
read_met, write_met, met_char_value),
};
static int cmd_gatt_write_cmd_metrics(int argc, char *argv[])
{
int err = 0;
if (argc < 2) {
printk("Write: count= %u, len= %u, rate= %u bps.\n",
write_count, write_len, write_rate);
return 0;
}
if (!strcmp(argv[1], "on")) {
static bool registered;
if (!registered) {
printk("Registering GATT metrics test Service.\n");
err = bt_gatt_register(met_attrs,
ARRAY_SIZE(met_attrs));
registered = true;
}
} else if (!strcmp(argv[1], "off")) {
printk("Not supported.\n");
err = -EINVAL;
} else {
printk("Incorrect value: %s\n", argv[1]);
return -EINVAL;
}
if (!err) {
printk("GATT write cmd metrics %s.\n", argv[1]);
}
return err;
}
#if defined(CONFIG_BLUETOOTH_SMP) || defined(CONFIG_BLUETOOTH_BREDR)
static void auth_passkey_display(struct bt_conn *conn, unsigned int passkey)
{
@ -2619,6 +2770,9 @@ static const struct shell_cmd commands[] = {
{ "gatt-write", cmd_gatt_write, "<handle> <offset> <data> [length]" },
{ "gatt-write-without-response", cmd_gatt_write_without_rsp,
"<handle> <offset> <data>" },
{ "gatt-write-without-response-repeated",
cmd_gatt_write_without_rsp_repeated,
"Send write without response <handle> <octets> [repeat]" },
{ "gatt-write-signed", cmd_gatt_write_signed,
"<handle> <offset> <data>" },
{ "gatt-subscribe", cmd_gatt_subscribe,
@ -2628,6 +2782,8 @@ static const struct shell_cmd commands[] = {
"register pre-predefined test service" },
{ "hrs-simulate", cmd_hrs_simulate,
"register and simulate Heart Rate Service <value: on, off>" },
{ "gatt-metrics", cmd_gatt_write_cmd_metrics,
"register vendr char and measure rx [value on, off]" },
#if defined(CONFIG_BLUETOOTH_L2CAP_DYNAMIC_CHANNEL)
{ "l2cap-register", cmd_l2cap_register, "<psm> [sec_level]" },
{ "l2cap-connect", cmd_l2cap_connect, "<psm>" },