3 * Copyright (C) 2012 BMW AG
5 * This file is part of GENIVI Project Dlt - Diagnostic Log and Trace console apps.
7 * Contributions are licensed to the GENIVI Alliance under one or more
8 * Contribution License Agreements.
11 * This Source Code Form is subject to the terms of the
12 * Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with
13 * this file, You can obtain one at http://mozilla.org/MPL/2.0/.
16 * \author Alexander Wenzel <alexander.aw.wenzel@bmw.de> BMW 2011-2012
18 * \file dlt_offline_trace.h
19 * For further information see http://www.genivi.org/.
24 /*******************************************************************************
26 ** SRC-MODULE: dlt_offline_trace.h **
32 ** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de **
38 ** PLATFORM DEPENDANT [yes/no]: yes **
40 ** TO BE CHANGED BY USER [yes/no]: no **
42 *******************************************************************************/
44 /*******************************************************************************
46 ********************************************************************************
48 ** Initials Name Company **
49 ** -------- ------------------------- ---------------------------------- **
50 ** aw Alexander Wenzel BMW **
51 *******************************************************************************/
53 #ifndef DLT_OFFLINE_TRACE_H
54 #define DLT_OFFLINE_TRACE_H
60 char directory[NAME_MAX + 1]; /**< (String) Store DLT messages to local directory */
61 char filename[NAME_MAX + 1]; /**< (String) Filename of currently used log file */
62 int fileSize; /**< (int) Maximum size in bytes of one trace file (Default: 1000000) */
63 int maxSize; /**< (int) Maximum size of all trace files (Default: 4000000) */
69 * Initialise the offline trace
70 * This function call opens the currently used log file.
71 * A check of the complete size of the offline trace is done during startup.
72 * Old files are deleted, if there is not enough space left to create new file.
73 * This function must be called before using further offline trace functions.
74 * @param trace pointer to offline trace structure
75 * @param directory directory where to store offline trace files
76 * @param fileSize maximum size of one offline trace file.
77 * @param maxSize maximum size of complete offline trace in bytes.
78 * @return negative value if there was an error
80 extern int dlt_offline_trace_init(DltOfflineTrace *trace,const char *directory,int fileSize,int maxSize);
83 * Uninitialise the offline trace
84 * This function call closes currently used log file.
85 * This function must be called after usage of offline trace
86 * @param trace pointer to offline trace structure
87 * @return negative value if there was an error
89 extern int dlt_offline_trace_free(DltOfflineTrace *buf);
92 * Write data into offline trace
93 * If the current used log file exceeds the max file size, new log file is created.
94 * A check of the complete size of the offline trace is done before new file is created.
95 * Old files are deleted, if there is not enough space left to create new file.
96 * @param trace pointer to offline trace structure
97 * @param data1 pointer to first data block to be written, null if not used
98 * @param size1 size in bytes of first data block to be written, 0 if not used
99 * @param data2 pointer to second data block to be written, null if not used
100 * @param size2 size in bytes of second data block to be written, 0 if not used
101 * @param data3 pointer to third data block to be written, null if not used
102 * @param size3 size in bytes of third data block to be written, 0 if not used
103 * @return negative value if there was an error
105 extern int dlt_offline_trace_write(DltOfflineTrace *trace,unsigned char *data1,int size1,unsigned char *data2,int size2,unsigned char *data3,int size3);
108 * Get size of currently used offline trace buffer
109 * @return size in bytes
111 extern unsigned long dlt_offline_trace_get_total_size(DltOfflineTrace *trace);
113 #endif /* DLT_OFFLINE_TRACE_H */