plugins/libctfcopytrace/ctfcopytrace.h

   1 #ifndef BABELTRACE_LIB_COPY_TRACE_H
   2 #define BABELTRACE_LIB_COPY_TRACE_H
   3
   4 /*
   5  * BabelTrace - Library to create a copy of a CTF trace
   6  *
   7  * Copyright 2017 Julien Desfossez <jdesfossez@efficios.com>
   8  *
   9  * Author: Julien Desfossez <jdesfossez@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  */
  29
  30 #include <stdbool.h>
  31 #include <babeltrace/babeltrace-internal.h>
  32 #include <babeltrace/babeltrace.h>
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 /*
  39  * Create a copy of the clock_class passed in parameter.
  40  *
  41  * Returns NULL on error.
  42  */
  43 const struct bt_clock_class *ctf_copy_clock_class(FILE *err,
  44                 const struct bt_clock_class *clock_class);
  45
  46 /*
  47  * Copy all the clock classes from the input trace and add them to the writer
  48  * object.
  49  *
  50  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
  51  * error.
  52  */
  53 BT_HIDDEN
  54 enum bt_component_status ctf_copy_clock_classes(FILE *err,
  55                 const struct bt_trace *writer_trace,
  56                 const struct bt_stream_class *writer_stream_class,
  57                 const struct bt_trace *trace);
  58
  59 /*
  60  * Create a copy of the event class passed in parameter.
  61  *
  62  * Returns NULL on error.
  63  */
  64 BT_HIDDEN
  65 const struct bt_event_class *ctf_copy_event_class(FILE *err,
  66                 const struct bt_trace *trace_copy,
  67                 const struct bt_event_class *event_class);
  68
  69 /*
  70  * Copy all the event classes from the input stream class and add them to the
  71  * writer_stream_class.
  72  *
  73  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
  74  * error.
  75  */
  76 BT_HIDDEN
  77 enum bt_component_status ctf_copy_event_classes(FILE *err,
  78                 const struct bt_stream_class *stream_class,
  79                 const struct bt_stream_class *writer_stream_class);
  80
  81 /*
  82  * Create a copy of the stream class passed in parameter.
  83  *
  84  * Returns NULL or error.
  85  */
  86 BT_HIDDEN
  87 const struct bt_stream_class *ctf_copy_stream_class(FILE *err,
  88                 const struct bt_stream_class *stream_class,
  89                 const struct bt_trace *writer_trace,
  90                 bool override_ts64);
  91
  92 /*
  93  * Copy the value of a packet context field and add it to the
  94  * writer_packet_context. Only supports unsigned integers for now.
  95  *
  96  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
  97  * error.
  98  */
  99 BT_HIDDEN
 100 enum bt_component_status ctf_copy_packet_context_field(FILE *err,
 101                 const struct bt_field *field, const char *field_name,
 102                 const struct bt_field *writer_packet_context,
 103                 struct bt_field_type *writer_packet_context_type);
 104
 105
 106 /*
 107  * Copy the packet_header from the packet passed in parameter and assign it
 108  * to the writer_stream.
 109  *
 110  * Returns 0 on success or -1 on error.
 111  */
 112 BT_HIDDEN
 113 int ctf_stream_copy_packet_header(FILE *err, const struct bt_packet *packet,
 114                 const struct bt_stream *writer_stream);
 115
 116 /*
 117  * Copy the packet_header from the packet passed in parameter and assign it
 118  * to the writer_packet.
 119  *
 120  * Returns 0 on success or -1 on error.
 121  */
 122 BT_HIDDEN
 123 int ctf_packet_copy_header(FILE *err, const struct bt_packet *packet,
 124                 const struct bt_packet *writer_packet);
 125
 126 /*
 127  * Copy all the field values of the packet context from the packet passed in
 128  * parameter and set it to the writer_stream.
 129  *
 130  * Returns 0 on success or -1 on error.
 131  */
 132 BT_HIDDEN
 133 int ctf_stream_copy_packet_context(FILE *err, const struct bt_packet *packet,
 134                 const struct bt_stream *writer_stream);
 135
 136 /*
 137  * Copy all the field values of the packet context from the packet passed in
 138  * parameter and set it to the writer_packet.
 139  *
 140  * Returns 0 on success or -1 on error.
 141  */
 142 BT_HIDDEN
 143 int ctf_packet_copy_context(FILE *err, const struct bt_packet *packet,
 144                 const struct bt_stream *writer_stream,
 145                 const struct bt_packet *writer_packet);
 146
 147 /*
 148  * Create and return a copy of the event passed in parameter. The caller has to
 149  * append it to the writer_stream.
 150  *
 151  * Returns NULL on error.
 152  */
 153 BT_HIDDEN
 154 const struct bt_event *ctf_copy_event(FILE *err, const struct bt_event *event,
 155                 const struct bt_event_class *writer_event_class,
 156                 bool override_ts64);
 157
 158 /*
 159  * Copies the content of the event header to writer_event_header.
 160  *
 161  * Returns 0 on success, -1 on error.
 162  */
 163 BT_HIDDEN
 164 int ctf_copy_event_header(FILE *err, const struct bt_event *event,
 165                 const struct bt_event_class *writer_event_class,
 166                 const struct bt_event *writer_event,
 167                 const struct bt_field *event_header);
 168
 169 /*
 170  * Copy the environment and the packet header from the input trace to the
 171  * writer_trace.
 172  *
 173  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
 174  * error.
 175  */
 176 BT_HIDDEN
 177 enum bt_component_status ctf_copy_trace(FILE *err, const struct bt_trace *trace,
 178                 const struct bt_trace *writer_trace);
 179
 180 #ifdef __cplusplus
 181 }
 182 #endif
 183
 184 #endif /* BABELTRACE_LIB_COPY_TRACE_H */