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/*
* Copyright (C) 2014 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
* GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
#define BTSTACK_FILE__ "hci_dump.c"
/*
* hci_dump.c
*
* Dump HCI trace in various formats based on platform-specific implementation
*/
#include "btstack_config.h"
#include "btstack_debug.h"
#include "btstack_bool.h"
#include "btstack_util.h"
static const hci_dump_t * hci_dump_implementation;
static int max_nr_packets;
static int nr_packets;
static bool packet_log_enabled;
// levels: debug, info, error
static bool log_level_enabled[3] = { 1, 1, 1};
static bool hci_dump_log_level_active(int log_level){
if (hci_dump_implementation == NULL) return false;
if (log_level < HCI_DUMP_LOG_LEVEL_DEBUG) return false;
if (log_level > HCI_DUMP_LOG_LEVEL_ERROR) return false;
return log_level_enabled[log_level];
}
void hci_dump_init(const hci_dump_t * hci_dump_impl){
max_nr_packets = -1;
nr_packets = 0;
hci_dump_implementation = hci_dump_impl;
packet_log_enabled = true;
}
void hci_dump_set_max_packets(int packets){
max_nr_packets = packets;
}
void hci_dump_enable_packet_log(bool enabled){
packet_log_enabled = enabled;
}
void hci_dump_packet(uint8_t packet_type, uint8_t in, uint8_t *packet, uint16_t len) {
if (hci_dump_implementation == NULL) {
return;
}
if (packet_log_enabled == false) {
return;
}
if (max_nr_packets > 0){
if ((nr_packets >= max_nr_packets) && (hci_dump_implementation->reset != NULL)) {
nr_packets = 0;
(*hci_dump_implementation->reset)();
}
nr_packets++;
}
(*hci_dump_implementation->log_packet)(packet_type, in, packet, len);
}
void hci_dump_log(int log_level, const char * format, ...){
if (!hci_dump_log_level_active(log_level)) return;
va_list argptr;
va_start(argptr, format);
(*hci_dump_implementation->log_message)(log_level, format, argptr);
va_end(argptr);
}
#ifdef __AVR__
void hci_dump_log_P(int log_level, PGM_P format, ...){
if (!hci_dump_log_level_active(log_level)) return;
va_list argptr;
va_start(argptr, format);
(*hci_dump_implementation->log_message_P)(log_level, format, argptr);
va_end(argptr);
}
#endif
void hci_dump_btstack_event(const uint8_t *packet, uint16_t len){
#ifdef ENABLE_LOG_BTSTACK_EVENTS
hci_dump_packet(HCI_EVENT_PACKET, 1, packet, size);
#else
UNUSED(packet);
UNUSED(len);
#endif
}
void hci_dump_enable_log_level(int log_level, int enable){
if (log_level < HCI_DUMP_LOG_LEVEL_DEBUG) return;
if (log_level > HCI_DUMP_LOG_LEVEL_ERROR) return;
log_level_enabled[log_level] = enable != 0;
}
void hci_dump_setup_header_packetlogger(uint8_t * buffer, uint32_t tv_sec, uint32_t tv_us, uint8_t packet_type, uint8_t in, uint16_t len){
big_endian_store_32( buffer, 0, HCI_DUMP_HEADER_SIZE_PACKETLOGGER - 4 + len);
big_endian_store_32( buffer, 4, tv_sec);
big_endian_store_32( buffer, 8, tv_us);
uint8_t packet_logger_type = 0;
switch (packet_type){
case HCI_COMMAND_DATA_PACKET:
packet_logger_type = 0x00;
break;
case HCI_ACL_DATA_PACKET:
packet_logger_type = in ? 0x03 : 0x02;
break;
case HCI_SCO_DATA_PACKET:
packet_logger_type = in ? 0x09 : 0x08;
break;
case HCI_EVENT_PACKET:
packet_logger_type = 0x01;
break;
case LOG_MESSAGE_PACKET:
packet_logger_type = 0xfc;
break;
default:
return;
}
buffer[12] = packet_logger_type;
}
void hci_dump_setup_header_bluez(uint8_t * buffer, uint32_t tv_sec, uint32_t tv_us, uint8_t packet_type, uint8_t in, uint16_t len){
little_endian_store_16( buffer, 0u, 1u + len);
buffer[2] = in;
buffer[3] = 0;
little_endian_store_32( buffer, 4, tv_sec);
little_endian_store_32( buffer, 8, tv_us);
buffer[12] = packet_type;
}
// From https://fte.com/webhelpii/hsu/Content/Technical_Information/BT_Snoop_File_Format.htm
void hci_dump_setup_header_btsnoop(uint8_t * buffer, uint32_t ts_usec_high, uint32_t ts_usec_low, uint32_t cumulative_drops, uint8_t packet_type, uint8_t in, uint16_t len) {
uint32_t packet_flags = 0;
if (in){
packet_flags |= 1;
}
switch (packet_type){
case HCI_COMMAND_DATA_PACKET:
case HCI_EVENT_PACKET:
packet_flags |= 2;
default:
break;
}
big_endian_store_32(buffer, 0, len); // Original Length
big_endian_store_32(buffer, 4, len); // Included Length
big_endian_store_32(buffer, 8, packet_flags); // Packet Flags
big_endian_store_32(buffer, 12, cumulative_drops); // Cumulativ Drops
big_endian_store_32(buffer, 16, ts_usec_high); // Timestamp Microseconds High
big_endian_store_32(buffer, 20, ts_usec_low); // Timestamp Microseconds Low
}
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