Files
bizhang_-obav/src/modules/mavlink/mavlink_log_handler.h
dogmaphobic b4e69ccd4b One day I will get this right.
I had not tested the build under POSIX
2015-12-28 17:02:32 -05:00

117 lines
3.6 KiB
C++

/****************************************************************************
*
* Copyright (c) 2014, 2015 PX4 Development Team. All rights reserved.
*
* 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 PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE
* COPYRIGHT OWNER 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.
*
****************************************************************************/
#pragma once
/// @file mavlink_log_handler.h
/// @author px4dev, Gus Grubba <mavlink@grubba.com>
#include <dirent.h>
#include <queue.h>
#include <time.h>
#include <stdio.h>
#include <v1.0/mavlink_types.h>
#include "mavlink_stream.h"
class Mavlink;
// Log Listing Helper
class LogListHelper
{
public:
LogListHelper();
~LogListHelper();
public:
static void delete_all(const char* dir);
public:
bool get_entry (int idx, uint32_t& size, uint32_t& date, char* filename = 0);
size_t get_log_data (uint8_t len, uint8_t* buffer);
enum {
LOG_HANDLER_IDLE,
LOG_HANDLER_LISTING,
LOG_HANDLER_SENDING_DATA
};
int next_entry;
int last_entry;
int log_count;
int current_status;
uint16_t current_log_index;
uint32_t current_log_size;
uint32_t current_log_data_offset;
uint32_t current_log_data_remaining;
char current_log_filename[128];
private:
void _init ();
bool _get_session_date (const char* path, const char* dir, time_t& date);
void _scan_logs (FILE* f, const char* dir, time_t& date);
bool _get_log_time_size (const char* path, const char* file, time_t& date, uint32_t& size);
};
// MAVLink LOG_* Message Handler
class MavlinkLogHandler : public MavlinkStream
{
public:
MavlinkLogHandler(Mavlink *mavlink);
static MavlinkLogHandler *new_instance(Mavlink *mavlink);
// Handle possible LOG message
void handle_message (const mavlink_message_t *msg);
// Overrides from MavlinkStream
const char* get_name (void) const;
uint8_t get_id (void);
unsigned get_size (void);
void send (const hrt_abstime t);
private:
void _log_message (const mavlink_message_t *msg);
void _log_request_list (const mavlink_message_t *msg);
void _log_request_data (const mavlink_message_t *msg);
void _log_request_erase (const mavlink_message_t *msg);
void _log_request_end (const mavlink_message_t *msg);
void _log_send_listing ();
void _log_send_data ();
private:
LogListHelper *_pLogHandlerHelper;
};