| 1 | /* |
| 2 | * babeltrace-lib.c |
| 3 | * |
| 4 | * Babeltrace Trace Converter Library |
| 5 | * |
| 6 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | * of this software and associated documentation files (the "Software"), to deal |
| 10 | * in the Software without restriction, including without limitation the rights |
| 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | * copies of the Software, and to permit persons to whom the Software is |
| 13 | * furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | */ |
| 18 | |
| 19 | #include <stdlib.h> |
| 20 | #include <errno.h> |
| 21 | #include <stdio.h> |
| 22 | #include <inttypes.h> |
| 23 | #include <babeltrace/babeltrace.h> |
| 24 | #include <babeltrace/format.h> |
| 25 | #include <babeltrace/ctf/types.h> |
| 26 | #include <babeltrace/ctf/metadata.h> |
| 27 | #include <babeltrace/ctf-text/types.h> |
| 28 | |
| 29 | static |
| 30 | int convert_stream(struct ctf_text_stream_pos *sout, |
| 31 | struct ctf_file_stream *sin) |
| 32 | { |
| 33 | int ret; |
| 34 | |
| 35 | /* For each event, print header, context, payload */ |
| 36 | /* TODO: order events by timestamps across streams */ |
| 37 | for (;;) { |
| 38 | ret = sin->pos.parent.event_cb(&sin->pos.parent, &sin->stream); |
| 39 | if (ret == EOF) |
| 40 | break; |
| 41 | else if (ret) { |
| 42 | fprintf(stdout, "[error] Reading event failed.\n"); |
| 43 | goto error; |
| 44 | } |
| 45 | ret = sout->parent.event_cb(&sout->parent, &sin->stream); |
| 46 | if (ret) { |
| 47 | fprintf(stdout, "[error] Writing event failed.\n"); |
| 48 | goto error; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | return 0; |
| 53 | |
| 54 | error: |
| 55 | return ret; |
| 56 | } |
| 57 | |
| 58 | int convert_trace(struct trace_descriptor *td_write, |
| 59 | struct trace_descriptor *td_read) |
| 60 | { |
| 61 | struct ctf_trace *tin = container_of(td_read, struct ctf_trace, parent); |
| 62 | struct ctf_text_stream_pos *sout = |
| 63 | container_of(td_write, struct ctf_text_stream_pos, trace_descriptor); |
| 64 | int stream_id, filenr; |
| 65 | int ret; |
| 66 | |
| 67 | /* For each stream (TODO: order events by timestamp) */ |
| 68 | for (stream_id = 0; stream_id < tin->streams->len; stream_id++) { |
| 69 | struct ctf_stream_class *stream = g_ptr_array_index(tin->streams, stream_id); |
| 70 | |
| 71 | if (!stream) |
| 72 | continue; |
| 73 | for (filenr = 0; filenr < stream->files->len; filenr++) { |
| 74 | struct ctf_file_stream *file_stream = g_ptr_array_index(stream->files, filenr); |
| 75 | ret = convert_stream(sout, file_stream); |
| 76 | if (ret) { |
| 77 | fprintf(stdout, "[error] Printing stream %d failed.\n", stream_id); |
| 78 | goto error; |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | return 0; |
| 84 | |
| 85 | error: |
| 86 | return ret; |
| 87 | } |