summaryrefslogtreecommitdiff
path: root/interface/vsomeip/trace.hpp
blob: cf5b7b9cdf92de20245a0b756761a7e518fff025 (plain)
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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
// Copyright (C) 2017 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, 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/.

#ifndef VSOMEIP_V3_TRACE_HPP_
#define VSOMEIP_V3_TRACE_HPP_

#include <memory>
#include <vector>

#include <vsomeip/constants.hpp>
#include <vsomeip/primitive_types.hpp>

namespace vsomeip_v3 {
/**
 * \defgroup vsomeip
 *
 * @{
 */
namespace trace {

/**
 * \brief Unique identifier for trace filters.
 */
typedef uint32_t filter_id_t;

/**
 * \brief Error value.
 */
extern const filter_id_t FILTER_ID_ERROR;

/**
 * \brief The default channel id "TC".
 */
extern const char *VSOMEIP_TC_DEFAULT_CHANNEL_ID;

/**
 * \brief Filters contain at least one match that specified
 * which messages are filtered.
 */
typedef std::tuple<service_t, instance_t, method_t> match_t;

/**
 * \brief Representation of a DLT trace channel.
 *
 * A trace channel contains one or more filters that specify the
 * messages that are forwarded to the trace.
 */
class channel {
public:
    virtual ~channel() {};

    /**
     * \brief Get the identifier of the channel.
     *
     * \return Channel identifier.
     */
    virtual std::string get_id() const = 0;

    /**
     * \brief Get the name of the channel.
     *
     * \return Channel name.
     */
    virtual std::string get_name() const = 0;

    /**
     * \brief Add a filter to the channel.
     *
     * Add a simple filter containing a single match.
     *
     * Note: The match is allowed to contain wildcards
     * (ANY_INSTANCE, ANY_SERVICE, ANY_METHOD).
     *
     * \param _match The tuple specifying the matching messages.
     * \param _is_positive True for positive filters,
     * false for negative filters. Default value is true.
     *
     * \return Filter identifier of the added filter or
     * FILTER_ID_ERROR if adding failed.
     */
    virtual filter_id_t add_filter(
            const match_t &_match,
            bool _is_positive = true) = 0;

    /**
     * \brief Add a filter to the channel.
     *
     * Add a filter containing a list of matches to the
     * channel. The filter matches if at least on of the
     * matches corresponds to a message.
     *
     * Note: The matches are allowed to contain wildcards
     * (ANY_INSTANCE, ANY_SERVICE, ANY_METHOD).
     *
     * \param _matches List of tuples specifying the matching messages.
     * \param _is_positive True for positive filters,
     * false for negative filters. Default value is true.
     *
     * \return Filter identifier of the added filter or
     * FILTER_ID_ERROR if adding failed.
     */
    virtual filter_id_t add_filter(
            const std::vector<match_t> &_matches,
            bool _is_positive = true) = 0;

    /**
     * \brief Add a filter to the channel.
     *
     * Add a filter containing a matches range to the
     * channel. The filter matches if the message identifiers
     * lie within the range specified by from and to. Thus,
     * the messages service identifier is greater equal than
     * the service identifier specified in from and less equal
     * than the service identifier specified in to.
     *
     * Note: from and to must not contain wildcards
     * (ANY_INSTANCE, ANY_SERVICE, ANY_METHOD).
     *
     * \param _from Tuples specifying the matching message with
     * the smallest identifiers.
     * \param _from Tuples specifying the matching message with
     * the greatest identifiers.
     * \param _is_positive True for positive filters,
     * false for negative filters. Default value is true.
     *
     * \return Filter identifier of the added filter or
     * FILTER_ID_ERROR if adding failed.
     */
    virtual filter_id_t add_filter(
            const match_t &_from, const match_t &_to,
            bool _is_positive = true) = 0;

    /**
     * \brief Remove a filter from the channel.
     *
     * Remove the filter with the given filter identifier
     * from the channel.
     *
     * \param _id Filter identifier of the filter that shall
     * be removed.
     */
    virtual void remove_filter(
            filter_id_t _id) = 0;
};

/**
 * \brief Singleton class to connect to the DLT tracing.
 *
 * The main configuration class of the DLT tracing. It holds
 * the trace channels which determine the messages that are
 * forwarded to the trace.
 */
class connector {
public:
    /**
     * \brief Get access to the connector.
     *
     * \return Shared pointer to the singleton object.
     */
    static std::shared_ptr<connector> get();

    virtual ~connector() {};

    /**
     * \brief Add a trace channel to the connector.
     *
     * Creates a trace channel with the given identifier and name
     * and adds it to the connector.
     *
     * \param _id Id of the trace channel.
     * \param _name Name of the trace channel
     *
     * \return Shared pointer to the created trace channel or
     * nullptr if the trace channel could not be created because
     * another trace channel with the given identifier does
     * already exist.
     */
    virtual std::shared_ptr<channel> add_channel(
            const std::string &_id,
            const std::string &_name) = 0;

    /**
     * \brief Remove a trace channel from the connector.
     *
     *  Removes the trace channel with the given identifier from
     *  the connector.
     *
     *  \param _id Identifier of a trace channel.
     *
     *  \return True of the trace channel was removed, False if
     *  it could not be removed, because it is the default trace
     *  channel.
     */
    virtual bool remove_channel(
            const std::string &_id) = 0;

    /**
     * \brief Get a trace channel from the connector.
     *
     * \param _id Identifier of the trace channel to be returned.
     * Optional argument that is predefined with the identifier
     * of the default trace channel.
     *
     * \return Shared pointer to the created trace channel or
     * nullptr if the trace channel does not exist.
     */
    virtual std::shared_ptr<channel> get_channel(
            const std::string &_id = VSOMEIP_TC_DEFAULT_CHANNEL_ID) const = 0;
};

} // namespace trace

/** @} */

} // namespace vsomeip_v3

#endif // VSOMEIP_V3_CONSTANTS_HPP_