mirror of
https://github.com/bluekitchen/btstack.git
synced 2024-12-28 06:26:35 +00:00
233 lines
8.4 KiB
C
233 lines
8.4 KiB
C
/*
|
|
* Copyright (C) 2022 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_windows_fs.c"
|
|
|
|
/*
|
|
* hci_dump_windows_fs.c
|
|
*
|
|
* Dump HCI trace in various formats into a file:
|
|
*
|
|
* - BlueZ's hcidump format
|
|
* - Apple's PacketLogger
|
|
* - stdout hexdump
|
|
*
|
|
*/
|
|
|
|
#include "btstack_config.h"
|
|
|
|
#include "hci_dump_windows_fs.h"
|
|
|
|
#include "btstack_debug.h"
|
|
#include "btstack_util.h"
|
|
#include "hci_cmd.h"
|
|
|
|
#include <stdio.h>
|
|
#include <windows.h>
|
|
|
|
/**
|
|
* number of seconds from 1 Jan. 1601 00:00 to 1 Jan 1970 00:00 UTC
|
|
*/
|
|
#define EPOCH_DIFF 11644473600LL
|
|
|
|
static HANDLE dump_file = INVALID_HANDLE_VALUE;
|
|
static int dump_format;
|
|
static char log_message_buffer[256];
|
|
|
|
static void hci_dump_windows_fs_reset(void){
|
|
btstack_assert(dump_file != INVALID_HANDLE_VALUE);
|
|
SetEndOfFile(dump_file);
|
|
}
|
|
|
|
// provide summary for ISO Data Packets if not supported by fileformat/viewer yet
|
|
static uint16_t hci_dump_iso_summary(uint8_t in, uint8_t *packet, uint16_t len){
|
|
uint16_t conn_handle = little_endian_read_16(packet, 0) & 0xfff;
|
|
uint8_t pb = (packet[1] >> 4) & 3;
|
|
uint8_t ts = (packet[1] >> 6) & 1;
|
|
uint16_t pos = 4;
|
|
uint32_t time_stamp = 0;
|
|
if (ts){
|
|
time_stamp = little_endian_read_32(packet, pos);
|
|
pos += 4;
|
|
}
|
|
uint16_t packet_sequence = little_endian_read_16(packet, pos);
|
|
pos += 2;
|
|
uint16_t iso_sdu_len = little_endian_read_16(packet, pos);
|
|
uint8_t packet_status_flag = packet[pos+1] >> 6;
|
|
return snprintf(log_message_buffer,sizeof(log_message_buffer), "ISO %s, handle %04x, pb %u, ts 0x%08x, sequence 0x%04x, packet status %u, iso len %u",
|
|
in ? "IN" : "OUT", conn_handle, pb, time_stamp, packet_sequence, packet_status_flag, iso_sdu_len);
|
|
}
|
|
|
|
static void hci_dump_windows_fs_log_packet(uint8_t packet_type, uint8_t in, uint8_t *packet, uint16_t len) {
|
|
if (dump_file < 0) return;
|
|
|
|
static union {
|
|
uint8_t header_bluez[HCI_DUMP_HEADER_SIZE_BLUEZ];
|
|
uint8_t header_packetlogger[HCI_DUMP_HEADER_SIZE_PACKETLOGGER];
|
|
uint8_t header_btsnoop[HCI_DUMP_HEADER_SIZE_BTSNOOP+1];
|
|
} header;
|
|
|
|
uint32_t tv_sec = 0;
|
|
uint32_t tv_us = 0;
|
|
uint64_t ts_usec;
|
|
|
|
// get time
|
|
FILETIME file_time;
|
|
SYSTEMTIME local_time;
|
|
ULARGE_INTEGER now_time;
|
|
GetLocalTime(&local_time);
|
|
SystemTimeToFileTime(&local_time, &file_time);
|
|
now_time.LowPart = file_time.dwLowDateTime;
|
|
now_time.HighPart = file_time.dwHighDateTime;
|
|
|
|
tv_sec = (uint32_t) ((now_time.QuadPart / 10000000ULL) - EPOCH_DIFF);
|
|
tv_us = (now_time.QuadPart % 10000000ULL) / 10ULL;
|
|
|
|
uint16_t header_len = 0;
|
|
switch (dump_format){
|
|
case HCI_DUMP_BLUEZ:
|
|
// ISO packets not supported
|
|
if (packet_type == HCI_ISO_DATA_PACKET){
|
|
len = hci_dump_iso_summary(in, packet, len);
|
|
packet_type = LOG_MESSAGE_PACKET;
|
|
packet = (uint8_t*) log_message_buffer;
|
|
}
|
|
hci_dump_setup_header_bluez(header.header_bluez, tv_sec, tv_us, packet_type, in, len);
|
|
header_len = HCI_DUMP_HEADER_SIZE_BLUEZ;
|
|
break;
|
|
case HCI_DUMP_PACKETLOGGER:
|
|
hci_dump_setup_header_packetlogger(header.header_packetlogger, tv_sec, tv_us, packet_type, in, len);
|
|
header_len = HCI_DUMP_HEADER_SIZE_PACKETLOGGER;
|
|
break;
|
|
case HCI_DUMP_BTSNOOP:
|
|
// log messages not supported
|
|
if (packet_type == LOG_MESSAGE_PACKET) return;
|
|
ts_usec = 0xdcddb30f2f8000LLU + 1000000LLU * tv_sec + tv_us;
|
|
// append packet type to pcap header
|
|
hci_dump_setup_header_btsnoop(header.header_btsnoop, ts_usec >> 32, ts_usec & 0xFFFFFFFF, 0, packet_type, in, len+1);
|
|
header.header_btsnoop[HCI_DUMP_HEADER_SIZE_BTSNOOP] = packet_type;
|
|
header_len = HCI_DUMP_HEADER_SIZE_BTSNOOP + 1;
|
|
break;
|
|
default:
|
|
btstack_unreachable();
|
|
return;
|
|
}
|
|
|
|
DWORD dwBytesWritten = 0;
|
|
(void) WriteFile(
|
|
dump_file, // file handle
|
|
&header, // start of data to write
|
|
header_len, // number of bytes to write
|
|
&dwBytesWritten, // number of bytes that were written
|
|
NULL); // no overlapped structure
|
|
UNUSED(dwBytesWritten);
|
|
|
|
(void)WriteFile(
|
|
dump_file, // file handle
|
|
packet, // start of data to write
|
|
len, // number of bytes to write
|
|
&dwBytesWritten, // number of bytes that were written
|
|
NULL); // no overlapped structure
|
|
UNUSED(dwBytesWritten);
|
|
}
|
|
|
|
static void hci_dump_windows_fs_log_message(int log_level, const char * format, va_list argptr){
|
|
UNUSED(log_level);
|
|
if (dump_file < 0) return;
|
|
int len = vsnprintf(log_message_buffer, sizeof(log_message_buffer), format, argptr);
|
|
hci_dump_windows_fs_log_packet(LOG_MESSAGE_PACKET, 0, (uint8_t*) log_message_buffer, len);
|
|
}
|
|
|
|
// returns system errno
|
|
int hci_dump_windows_fs_open(const char *filename, hci_dump_format_t format){
|
|
btstack_assert(format == HCI_DUMP_BLUEZ || format == HCI_DUMP_PACKETLOGGER || format == HCI_DUMP_BTSNOOP);
|
|
|
|
dump_format = format;
|
|
|
|
dump_file = CreateFile(filename, // name of the write
|
|
GENERIC_WRITE, // open for writing
|
|
0, // do not share
|
|
NULL, // default security
|
|
CREATE_ALWAYS, // create new file always
|
|
FILE_ATTRIBUTE_NORMAL, // normal file
|
|
NULL); // no attr. template
|
|
|
|
if (dump_file == INVALID_HANDLE_VALUE){
|
|
printf("failed to open file %s, error code = 0x%lx\n", filename, GetLastError());
|
|
return -1;
|
|
}
|
|
|
|
if (format == HCI_DUMP_BTSNOOP){
|
|
// write BTSnoop file header
|
|
const uint8_t file_header[] = {
|
|
// Identification Pattern: "btsnoop\0"
|
|
0x62, 0x74, 0x73, 0x6E, 0x6F, 0x6F, 0x70, 0x00,
|
|
// Version: 1
|
|
0x00, 0x00, 0x00, 0x01,
|
|
// Datalink Type: 1002 - H4
|
|
0x00, 0x00, 0x03, 0xEA,
|
|
};
|
|
|
|
DWORD dwBytesWritten = 0;
|
|
(void) WriteFile(
|
|
dump_file, // file handle
|
|
file_header, // start of data to write
|
|
sizeof(file_header), // number of bytes to write
|
|
&dwBytesWritten, // number of bytes that were written
|
|
NULL); // no overlapped structure
|
|
UNUSED(dwBytesWritten);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void hci_dump_windows_fs_close(void){
|
|
CloseHandle(dump_file);
|
|
dump_file = INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
const hci_dump_t * hci_dump_windows_fs_get_instance(void){
|
|
static const hci_dump_t hci_dump_instance = {
|
|
// void (*reset)(void);
|
|
&hci_dump_windows_fs_reset,
|
|
// void (*log_packet)(uint8_t packet_type, uint8_t in, uint8_t *packet, uint16_t len);
|
|
&hci_dump_windows_fs_log_packet,
|
|
// void (*log_message)(int log_level, const char * format, va_list argptr);
|
|
&hci_dump_windows_fs_log_message,
|
|
};
|
|
return &hci_dump_instance;
|
|
}
|