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/component/component.h>
  33 #include <babeltrace/ctf-writer/writer.h>
  34
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 /*
  40  * Create a copy of the clock_class passed in parameter.
  41  *
  42  * Returns NULL on error.
  43  */
  44 struct bt_ctf_clock_class *ctf_copy_clock_class(FILE *err,
  45                 struct bt_ctf_clock_class *clock_class);
  46
  47 /*
  48  * Copy all the clock classes from the input trace and add them to the writer
  49  * object.
  50  *
  51  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
  52  * error.
  53  */
  54 enum bt_component_status ctf_copy_clock_classes(FILE *err,
  55                 struct bt_ctf_trace *writer_trace,
  56                 struct bt_ctf_stream_class *writer_stream_class,
  57                 struct bt_ctf_trace *trace);
  58
  59 /*
  60  * Create a copy of the event class passed in paramater.
  61  *
  62  * Returns NULL on error.
  63  */
  64 struct bt_ctf_event_class *ctf_copy_event_class(FILE *err,
  65                 struct bt_ctf_event_class *event_class);
  66
  67 /*
  68  * Copy all the event classes from the input stream class and add them to the
  69  * writer_stream_class.
  70  *
  71  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
  72  * error.
  73  */
  74 enum bt_component_status ctf_copy_event_classes(FILE *err,
  75                 struct bt_ctf_stream_class *stream_class,
  76                 struct bt_ctf_stream_class *writer_stream_class);
  77
  78 /*
  79  * Create a copy of the stream class passed in parameter.
  80  *
  81  * Returns NULL or error.
  82  */
  83 struct bt_ctf_stream_class *ctf_copy_stream_class(FILE *err,
  84                 struct bt_ctf_stream_class *stream_class,
  85                 struct bt_ctf_trace *writer_trace,
  86                 bool override_ts64);
  87
  88 /*
  89  * Copy the value of a packet context field and add it to the
  90  * writer_packet_context. Only supports unsigned integers for now.
  91  *
  92  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
  93  * error.
  94  */
  95 enum bt_component_status ctf_copy_packet_context_field(FILE *err,
  96                 struct bt_ctf_field *field, const char *field_name,
  97                 struct bt_ctf_field *writer_packet_context,
  98                 struct bt_ctf_field_type *writer_packet_context_type);
  99
 100 /*
 101  * Copy all the field values of the packet context from the packet passed in
 102  * parameter and set it to the current packet in the writer stream.
 103  * The content_size and packet_size fields are not copied since they are
 104  * already handled by the ctf_writer library.
 105  *
 106  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
 107  * error.
 108  */
 109 struct bt_ctf_field *ctf_copy_packet_context(FILE *err,
 110                 struct bt_ctf_packet *packet,
 111                 struct bt_ctf_stream *writer_stream);
 112
 113 /*
 114  * Create and return a copy of the event passed in parameter. The caller has to
 115  * append it to the writer_stream.
 116  *
 117  * Returns NULL on error.
 118  */
 119 struct bt_ctf_event *ctf_copy_event(FILE *err, struct bt_ctf_event *event,
 120                 struct bt_ctf_event_class *writer_event_class,
 121                 bool override_ts64);
 122
 123 /*
 124  * Copies the content of the event header to writer_event_header.
 125  *
 126  * Returns 0 on success, -1 on error.
 127  */
 128 int ctf_copy_event_header(FILE *err, struct bt_ctf_event *event,
 129                 struct bt_ctf_event_class *writer_event_class,
 130                 struct bt_ctf_event *writer_event,
 131                 struct bt_ctf_field *event_header);
 132
 133 /*
 134  * Copy the environment and the packet header from the input trace to the
 135  * writer_trace.
 136  *
 137  * Returns BT_COMPONENT_STATUS_OK on success, and BT_COMPONENT_STATUS_ERROR on
 138  * error.
 139  */
 140 enum bt_component_status ctf_copy_trace(FILE *err, struct bt_ctf_trace *trace,
 141                 struct bt_ctf_trace *writer_trace);
 142
 143 #ifdef __cplusplus
 144 }
 145 #endif
 146
 147 #endif /* BABELTRACE_LIB_COPY_TRACE_H */