| 1 | #ifndef BABELTRACE_PLUGIN_WRITER_H |
| 2 | #define BABELTRACE_PLUGIN_WRITER_H |
| 3 | |
| 4 | /* |
| 5 | * BabelTrace - CTF Writer Output Plug-in |
| 6 | * |
| 7 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 8 | * |
| 9 | * Author: Jérémie Galarneau <jeremie.galarneau@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 | struct writer_component { |
| 35 | GString *base_path; |
| 36 | GString *trace_name_base; |
| 37 | /* For the directory name suffix. */ |
| 38 | int trace_id; |
| 39 | /* Map between bt_trace and struct fs_writer. */ |
| 40 | GHashTable *trace_map; |
| 41 | FILE *err; |
| 42 | bt_message_iterator *input_iterator; |
| 43 | bool error; |
| 44 | bool single_trace; |
| 45 | unsigned int nr_traces; |
| 46 | }; |
| 47 | |
| 48 | enum fs_writer_stream_state { |
| 49 | /* |
| 50 | * We know the stream exists but we have never received a |
| 51 | * stream_begin message for it. |
| 52 | */ |
| 53 | FS_WRITER_UNKNOWN_STREAM, |
| 54 | /* We know this stream is active (between stream_begin and _end). */ |
| 55 | FS_WRITER_ACTIVE_STREAM, |
| 56 | /* We have received a stream_end for this stream. */ |
| 57 | FS_WRITER_COMPLETED_STREAM, |
| 58 | }; |
| 59 | |
| 60 | struct fs_writer { |
| 61 | struct bt_ctf_writer *writer; |
| 62 | const bt_trace *trace; |
| 63 | const bt_trace *writer_trace; |
| 64 | struct writer_component *writer_component; |
| 65 | int static_listener_id; |
| 66 | int trace_static; |
| 67 | /* Map between reader and writer stream. */ |
| 68 | GHashTable *stream_map; |
| 69 | /* Map between reader and writer stream class. */ |
| 70 | GHashTable *stream_class_map; |
| 71 | GHashTable *stream_states; |
| 72 | }; |
| 73 | |
| 74 | BT_HIDDEN |
| 75 | void writer_close(struct writer_component *writer_component, |
| 76 | struct fs_writer *fs_writer); |
| 77 | BT_HIDDEN |
| 78 | bt_component_status writer_output_event(struct writer_component *writer, |
| 79 | const bt_event *event); |
| 80 | BT_HIDDEN |
| 81 | bt_component_status writer_new_packet(struct writer_component *writer, |
| 82 | const bt_packet *packet); |
| 83 | BT_HIDDEN |
| 84 | bt_component_status writer_close_packet(struct writer_component *writer, |
| 85 | const bt_packet *packet); |
| 86 | BT_HIDDEN |
| 87 | bt_component_status writer_stream_begin(struct writer_component *writer, |
| 88 | const bt_stream *stream); |
| 89 | BT_HIDDEN |
| 90 | bt_component_status writer_stream_end(struct writer_component *writer, |
| 91 | const bt_stream *stream); |
| 92 | |
| 93 | BT_HIDDEN |
| 94 | bt_component_status writer_component_init( |
| 95 | bt_self_component *component, bt_value *params, |
| 96 | void *init_method_data); |
| 97 | |
| 98 | BT_HIDDEN |
| 99 | bt_component_status writer_run(bt_self_component *component); |
| 100 | |
| 101 | BT_HIDDEN |
| 102 | void writer_component_port_connected( |
| 103 | bt_self_component *component, |
| 104 | struct bt_private_port *self_port, |
| 105 | const bt_port *other_port); |
| 106 | |
| 107 | BT_HIDDEN |
| 108 | void writer_component_finalize(bt_self_component *component); |
| 109 | |
| 110 | #endif /* BABELTRACE_PLUGIN_WRITER_H */ |