*
* CTF Text Format registration.
*
- * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
#include <babeltrace/format.h>
#include <babeltrace/ctf-text/types.h>
-#include <babeltrace/babeltrace.h>
+#include <babeltrace/ctf/metadata.h>
+#include <babeltrace/babeltrace-internal.h>
#include <inttypes.h>
#include <uuid/uuid.h>
#include <sys/mman.h>
#include <unistd.h>
#include <stdlib.h>
-struct trace_descriptor *ctf_text_open_trace(const char *path, int flags);
+struct trace_descriptor *ctf_text_open_trace(const char *path, int flags,
+ void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+ int whence));
void ctf_text_close_trace(struct trace_descriptor *descriptor);
-static
-rw_dispatch read_dispatch_table[] = {
- /* All unimplemented */
-};
-
static
rw_dispatch write_dispatch_table[] = {
[ CTF_TYPE_INTEGER ] = ctf_text_integer_write,
.close_trace = ctf_text_close_trace,
};
-struct trace_descriptor *ctf_text_open_trace(const char *path, int flags)
+static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN,
+ Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END,
+ Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED,
+ Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE,
+ Q_STREAM_PACKET_CONTEXT_PACKET_SIZE;
+
+static
+void __attribute__((constructor)) init_quarks(void)
+{
+ Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin");
+ Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end");
+ Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded");
+ Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size");
+ Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size");
+}
+
+int print_field(struct definition *definition)
+{
+ /* Print all fields in verbose mode */
+ if (babeltrace_verbose)
+ return 1;
+
+ /* Filter out part of the packet context */
+ if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN)
+ return 0;
+ if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END)
+ return 0;
+ if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED)
+ return 0;
+ if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE)
+ return 0;
+ if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE)
+ return 0;
+
+ return 1;
+}
+
+static
+int ctf_text_write_event(struct stream_pos *ppos,
+ struct ctf_stream *stream)
+{
+ struct ctf_text_stream_pos *pos =
+ container_of(ppos, struct ctf_text_stream_pos, parent);
+ struct ctf_stream_class *stream_class = stream->stream_class;
+ int field_nr_saved;
+ struct ctf_event *event_class;
+ struct ctf_stream_event *event;
+ uint64_t id;
+ int ret;
+
+ id = stream->event_id;
+
+ if (id >= stream_class->events_by_id->len) {
+ fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id);
+ return -EINVAL;
+ }
+ event = g_ptr_array_index(stream->events_by_id, id);
+ if (!event) {
+ fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+ return -EINVAL;
+ }
+ event_class = g_ptr_array_index(stream_class->events_by_id, id);
+ if (!event) {
+ fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+ return -EINVAL;
+ }
+
+ if (stream->has_timestamp) {
+ if (pos->print_names)
+ fprintf(pos->fp, "timestamp = ");
+ else
+ fprintf(pos->fp, "[");
+ fprintf(pos->fp, "%12" PRIu64, stream->timestamp);
+ if (!pos->print_names)
+ fprintf(pos->fp, "]");
+
+ if (pos->print_names)
+ fprintf(pos->fp, ", ");
+ else
+ fprintf(pos->fp, " ");
+ }
+ if (pos->print_names)
+ fprintf(pos->fp, "name = ");
+ fprintf(pos->fp, "%s", g_quark_to_string(event_class->name));
+ if (pos->print_names)
+ pos->field_nr++;
+ else
+ fprintf(pos->fp, ":");
+
+ /* print cpuid field from packet context */
+ if (stream->stream_packet_context) {
+ if (pos->field_nr++ != 0)
+ fprintf(pos->fp, ",");
+ if (pos->print_names)
+ fprintf(pos->fp, " stream.packet.context =");
+ field_nr_saved = pos->field_nr;
+ pos->field_nr = 0;
+ ret = generic_rw(ppos, &stream->stream_packet_context->p);
+ if (ret)
+ goto error;
+ pos->field_nr = field_nr_saved;
+ }
+
+ /* Only show the event header in verbose mode */
+ if (babeltrace_verbose && stream->stream_event_header) {
+ if (pos->field_nr++ != 0)
+ fprintf(pos->fp, ",");
+ if (pos->print_names)
+ fprintf(pos->fp, " stream.event.header =");
+ field_nr_saved = pos->field_nr;
+ pos->field_nr = 0;
+ ret = generic_rw(ppos, &stream->stream_event_header->p);
+ if (ret)
+ goto error;
+ pos->field_nr = field_nr_saved;
+ }
+
+ /* print stream-declared event context */
+ if (stream->stream_event_context) {
+ if (pos->field_nr++ != 0)
+ fprintf(pos->fp, ",");
+ if (pos->print_names)
+ fprintf(pos->fp, " stream.event.context =");
+ field_nr_saved = pos->field_nr;
+ pos->field_nr = 0;
+ ret = generic_rw(ppos, &stream->stream_event_context->p);
+ if (ret)
+ goto error;
+ pos->field_nr = field_nr_saved;
+ }
+
+ /* print event-declared event context */
+ if (event->event_context) {
+ if (pos->field_nr++ != 0)
+ fprintf(pos->fp, ",");
+ if (pos->print_names)
+ fprintf(pos->fp, " event.context =");
+ field_nr_saved = pos->field_nr;
+ pos->field_nr = 0;
+ ret = generic_rw(ppos, &event->event_context->p);
+ if (ret)
+ goto error;
+ pos->field_nr = field_nr_saved;
+ }
+
+ /* Read and print event payload */
+ if (event->event_fields) {
+ if (pos->field_nr++ != 0)
+ fprintf(pos->fp, ",");
+ if (pos->print_names)
+ fprintf(pos->fp, " event.fields =");
+ field_nr_saved = pos->field_nr;
+ pos->field_nr = 0;
+ ret = generic_rw(ppos, &event->event_fields->p);
+ if (ret)
+ goto error;
+ pos->field_nr = field_nr_saved;
+ }
+ /* newline */
+ fprintf(pos->fp, "\n");
+ pos->field_nr = 0;
+
+ return 0;
+
+error:
+ fprintf(stdout, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
+ return ret;
+}
+
+
+struct trace_descriptor *ctf_text_open_trace(const char *path, int flags,
+ void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+ int whence))
{
struct ctf_text_stream_pos *pos;
FILE *fp;
pos = g_new0(struct ctf_text_stream_pos, 1);
switch (flags & O_ACCMODE) {
- case O_WRONLY:
- fp = fopen(path, "w");
+ case O_RDWR:
+ if (!path)
+ fp = stdout;
+ else
+ fp = fopen(path, "w");
if (!fp)
goto error;
pos->fp = fp;
pos->parent.rw_table = write_dispatch_table;
+ pos->parent.event_cb = ctf_text_write_event;
+ pos->print_names = opt_field_names;
break;
case O_RDONLY:
default: