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added sdp bnep query example that extracts l2cap psm and bnep version values

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mila@ringwald.ch 2014-08-29 21:25:46 +00:00
parent 5a10e3ac4f
commit d2effbcc76
2 changed files with 204 additions and 2 deletions
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13
example/libusb/Makefile
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@ -58,6 +58,9 @@ SM_MINIMAL = \
${BTSTACK_ROOT}/ble/sm_minimal.c \
${BTSTACK_ROOT}/ble/central_device_db_dummy.c \
SDP_DES = \
${BTSTACK_ROOT}/test/des_iterator/des_iterator.c \
CORE_OBJ = $(CORE:.c=.o)
COMMON_OBJ = $(COMMON:.c=.o)
CC2564_OBJ = $(CC2564:.c=.o)
@ -72,7 +75,8 @@ GATT_SERVER_OBJ = $(GATT_SERVER:.c=.o)
all: ../../include/btstack/version.h gatt_browser sdp_rfcomm_query sdp_general_query spp_counter ble_peripheral \
ble_peripheral_sm_minimal gap_inquiry gap_dedicated_bonding gap_inquiry_and_bond l2cap_test spp_streamer \
classic_test ble_peripheral_uart_csr ble_peripheral_uart_cc256x ancs_client spp_and_le_counter
classic_test ble_peripheral_uart_csr ble_peripheral_uart_cc256x ancs_client spp_and_le_counter \
sdp_bnep_query \
../../include/btstack/version.h:
cd ..; ../src/get_version.sh
@ -83,6 +87,9 @@ sdp_rfcomm_query: ${CORE_OBJ} ${COMMON_OBJ} sdp_rfcomm_query.c
sdp_general_query: ${CORE_OBJ} ${COMMON_OBJ} sdp_general_query.c
${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
sdp_bnep_query: ${CORE_OBJ} ${COMMON_OBJ} ${SDP_DES} sdp_bnep_query.c
${CC} $^ ${CFLAGS} -I../../test/des_iterator ${LDFLAGS} -o $@
spp_counter: ${CORE_OBJ} ${COMMON_OBJ} spp_counter.c
${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
@ -140,7 +147,9 @@ gatt_browser: ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_CLIENT_OBJ} ${SM_REAL_
${CC} ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_CLIENT_OBJ} ${SM_REAL_OBJ} gatt_browser.c ${CFLAGS} ${LDFLAGS} -o $@
clean:
rm -f spp_counter sdp_rfcomm_query sdp_general_query spp_counter_ssp ble_peripheral ble_client gatt_browser gatt_client ancs_client
rm -f spp_counter sdp_rfcomm_query sdp_general_query sdp_bnep_query spp_counter_ssp ble_peripheral ble_client gatt_browser \
gatt_client ancs_client ble_peripheral_sm_minimal classic_test ble_peripheral_uart_csr ble_peripheral_uart \
gap_dedicated_bonding gap_inquiry gap_inquiry_and_bond l2cap_test spp_and_le_counter spp_streamer
rm -f *.o *.out *.hex
rm -f ${BTSTACK_ROOT}/src/*.o
rm -f ${BTSTACK_ROOT}/ble/*.o

193
example/libusb/sdp_bnep_query.c Normal file
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@ -0,0 +1,193 @@
//*****************************************************************************
//
// minimal setup for SDP client over USB or UART
//
//*****************************************************************************
#include "btstack-config.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sdp_parser.h"
#include "sdp_client.h"
#include "sdp_query_util.h"
#include <btstack/hci_cmds.h>
#include <btstack/run_loop.h>
#include "hci.h"
#include "btstack_memory.h"
#include "hci_dump.h"
#include "l2cap.h"
#include "sdp_parser.h"
#include "des_iterator.h"
int record_id = -1;
int attribute_id = -1;
uint16_t public_browse_group = 0x1002;
uint16_t bnep_protocol_id = 0x000f;
static uint8_t attribute_value[1000];
static const int attribute_value_buffer_size = sizeof(attribute_value);
static bd_addr_t remote = {0x04,0x0C,0xCE,0xE4,0x85,0xD3};
static void handle_sdp_client_query_result(sdp_query_event_t * event);
static void assertBuffer(int size){
if (size > attribute_value_buffer_size){
printf("SDP attribute value buffer size exceeded: available %d, required %d", attribute_value_buffer_size, size);
}
}
static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
uint8_t event = packet[0];
switch (event) {
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (packet[2] == HCI_STATE_WORKING){
printf("Start SDP BNEP query.\n");
sdp_general_query_for_uuid(remote, bnep_protocol_id);
}
break;
default:
break;
}
}
char * get_string_from_data_element(uint8_t * element){
de_size_t de_size = de_get_size_type(element);
int pos = de_get_header_size(element);
int len = 0;
switch (de_size){
case DE_SIZE_VAR_8:
len = element[1];
break;
case DE_SIZE_VAR_16:
len = READ_NET_16(element, 1);
break;
default:
break;
}
char * str = (char*)malloc(len+1);
memcpy(str, &element[pos], len);
str[len] ='\0';
return str;
}
static void handle_sdp_client_query_result(sdp_query_event_t * event){
sdp_query_attribute_value_event_t * ve;
sdp_query_complete_event_t * ce;
switch (event->type){
case SDP_QUERY_ATTRIBUTE_VALUE:
ve = (sdp_query_attribute_value_event_t*) event;
// handle new record
if (ve->record_id != record_id){
record_id = ve->record_id;
printf("\n---\nRecord nr. %u\n", record_id);
}
assertBuffer(ve->attribute_length);
attribute_value[ve->data_offset] = ve->data;
if ((uint16_t)(ve->data_offset+1) == ve->attribute_length){
switch(ve->attribute_id){
case 0x0100:
case 0x0101:
printf(" ** Attribute 0x%04x: %s\n", ve->attribute_id, get_string_from_data_element(attribute_value));
break;
case 0x004:{
printf(" ** Attribute 0x%04x, ", ve->attribute_id);
des_iterator_t des_list_it;
uint16_t l2cap_psm = 0;
uint16_t bnep_version = 0;
for (des_iterator_init(&des_list_it, attribute_value); des_iterator_has_more(&des_list_it); des_iterator_next(&des_list_it)){
if (des_iterator_get_type(&des_list_it) != DE_DES) continue;
des_iterator_t prot_it;
uint8_t * des_element = des_iterator_get_element(&des_list_it);
des_iterator_init(&prot_it, des_element);
uint8_t * element = des_iterator_get_element(&prot_it);
if (de_get_element_type(element) != DE_UUID) continue;
uint16_t uuid = de_element_get_uuid16(element);
switch (uuid){
case 0x100:
if (!des_iterator_has_more(&prot_it)) continue;
des_iterator_next(&prot_it);
de_element_get_uint16(des_iterator_get_element(&prot_it), &l2cap_psm);
break;
case 0x000f:
if (!des_iterator_has_more(&prot_it)) continue;
des_iterator_next(&prot_it);
de_element_get_uint16(des_iterator_get_element(&prot_it), &bnep_version);
break;
default:
break;
}
}
printf("l2cap_psm 0x%04x, bnep_version 0x%04x\n", l2cap_psm, bnep_version);
printf(" -> row data (length %d): ", ve->attribute_length);
hexdumpf(attribute_value, ve->attribute_length);
printf("\n");
}
break;
default:
break;
}
}
break;
case SDP_QUERY_COMPLETE:
ce = (sdp_query_complete_event_t*) event;
printf("General query done with status %d.\n\n", ce->status);
break;
}
}
static void btstack_setup(){
/// GET STARTED ///
btstack_memory_init();
run_loop_init(RUN_LOOP_POSIX);
hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER);
hci_transport_t * transport = hci_transport_usb_instance();
hci_uart_config_t * config = NULL;
bt_control_t * control = NULL;
remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory;
hci_init(transport, config, control, remote_db);
printf("Client HCI init done\r\n");
// init L2CAP
l2cap_init();
l2cap_register_packet_handler(packet_handler);
// turn on!
hci_power_control(HCI_POWER_ON);
}
int main(void){
sdp_parser_init();
sdp_parser_register_callback(handle_sdp_client_query_result);
btstack_setup();
// go!
run_loop_execute();
return 0;
}