1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* @licence app begin@
* SPDX license identifier: MPL-2.0
*
* Copyright (C) 2011-2015, BMW AG
*
* This file is part of GENIVI Project DLT - Diagnostic Log and Trace.
*
* This Source Code Form is subject to the terms of the
* Mozilla Public License (MPL), v. 2.0.
* If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* For further information see http://www.genivi.org/.
* @licence end@
*/
/*!
* \author Alexander Wenzel <alexander.aw.wenzel@bmw.de>
*
* \copyright Copyright © 2011-2015 BMW AG. \n
* License MPL-2.0: Mozilla Public License version 2.0 http://mozilla.org/MPL/2.0/.
*
* \file dlt_user_shared.c
*/
/*******************************************************************************
** **
** SRC-MODULE: dlt_user_shared.c **
** **
** TARGET : linux **
** **
** PROJECT : DLT **
** **
** AUTHOR : Alexander Wenzel Alexander.AW.Wenzel@bmw.de **
** Markus Klein **
** **
** PURPOSE : **
** **
** REMARKS : **
** **
** PLATFORM DEPENDANT [yes/no]: yes **
** **
** TO BE CHANGED BY USER [yes/no]: no **
** **
*******************************************************************************/
/*******************************************************************************
** Author Identity **
********************************************************************************
** **
** Initials Name Company **
** -------- ------------------------- ---------------------------------- **
** aw Alexander Wenzel BMW **
** mk Markus Klein Fraunhofer ESK **
*******************************************************************************/
/*******************************************************************************
** Revision Control History **
*******************************************************************************/
/*
* $LastChangedRevision: 1670 $
* $LastChangedDate: 2011-04-08 15:12:06 +0200 (Fr, 08. Apr 2011) $
* $LastChangedBy$
Initials Date Comment
aw 13.01.2010 initial
*/
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/uio.h> /* writev() */
#include "dlt_user_shared.h"
#include "dlt_user_shared_cfg.h"
DltReturnValue dlt_user_set_userheader(DltUserHeader *userheader, uint32_t mtype)
{
if (userheader == 0)
return DLT_RETURN_ERROR;
if (mtype <= 0)
return DLT_RETURN_ERROR;
userheader->pattern[0] = 'D';
userheader->pattern[1] = 'U';
userheader->pattern[2] = 'H';
userheader->pattern[3] = 1;
userheader->message = mtype;
return DLT_RETURN_OK;
}
int dlt_user_check_userheader(DltUserHeader *userheader)
{
if (userheader==0)
{
return -1;
}
return ((userheader->pattern[0] == 'D') &&
(userheader->pattern[1] == 'U') &&
(userheader->pattern[2] == 'H') &&
(userheader->pattern[3] == 1));
}
DltReturnValue dlt_user_log_out2(int handle, void *ptr1, size_t len1, void* ptr2, size_t len2)
{
struct iovec iov[2];
uint32_t bytes_written;
if (handle<=0)
{
/* Invalid handle */
return DLT_RETURN_ERROR;
}
iov[0].iov_base = ptr1;
iov[0].iov_len = len1;
iov[1].iov_base = ptr2;
iov[1].iov_len = len2;
bytes_written = writev(handle, iov, 2);
if (bytes_written!=(len1+len2))
{
return DLT_RETURN_ERROR;
}
return DLT_RETURN_OK;
}
DltReturnValue dlt_user_log_out3(int handle, void *ptr1, size_t len1, void* ptr2, size_t len2, void *ptr3, size_t len3)
{
struct iovec iov[3];
uint32_t bytes_written;
if (handle<=0)
{
/* Invalid handle */
return DLT_RETURN_ERROR;
}
iov[0].iov_base = ptr1;
iov[0].iov_len = len1;
iov[1].iov_base = ptr2;
iov[1].iov_len = len2;
iov[2].iov_base = ptr3;
iov[2].iov_len = len3;
bytes_written = writev(handle, iov, 3);
if (bytes_written!=(len1+len2+len3))
{
switch(errno)
{
case EBADF:
{
return DLT_RETURN_PIPE_ERROR; /* EBADF - handle not open */
break;
}
case EPIPE:
{
return DLT_RETURN_PIPE_ERROR; /* EPIPE - pipe error */
break;
}
case EAGAIN:
{
return DLT_RETURN_PIPE_FULL; /* EAGAIN - data could not be written */
break;
}
default:
{
break;
}
}
return DLT_RETURN_ERROR;
}
return DLT_RETURN_OK;
}
|
