X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf-text%2Fctf-text.c;h=0d551179710dafc368ed9059cbe2a40b62d5facf;hp=cc882f60b02d64ebbe777701c50c69755bf8007b;hb=e28d4618a97ed5c6da7cda25af9d1121808664cf;hpb=989c73bc7635ba348a372649fa1ccb2d8250be63

diff --git a/formats/ctf-text/ctf-text.c b/formats/ctf-text/ctf-text.c
index cc882f60..0d551179 100644
--- a/formats/ctf-text/ctf-text.c
+++ b/formats/ctf-text/ctf-text.c
@@ -18,6 +18,7 @@
 
 #include <babeltrace/format.h>
 #include <babeltrace/ctf-text/types.h>
+#include <babeltrace/ctf/metadata.h>
 #include <babeltrace/babeltrace.h>
 #include <inttypes.h>
 #include <uuid/uuid.h>
@@ -52,6 +53,164 @@ struct format ctf_text_format = {
 	.close_trace = ctf_text_close_trace,
 };
 
+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_file_event *event;
+	uint64_t id = 0;
+	int ret;
+
+	/* print event header */
+	if (stream->stream_event_header) {
+		struct definition_integer *integer_definition;
+		struct definition *variant;
+
+		/* lookup event id */
+		integer_definition = lookup_integer(&stream->stream_event_header->p, "id", FALSE);
+		if (integer_definition) {
+			id = integer_definition->value._unsigned;
+		} else {
+			struct definition_enum *enum_definition;
+
+			enum_definition = lookup_enum(&stream->stream_event_header->p, "id", FALSE);
+			if (enum_definition) {
+				id = enum_definition->integer->value._unsigned;
+			}
+		}
+
+		variant = lookup_variant(&stream->stream_event_header->p, "v");
+		if (variant) {
+			integer_definition = lookup_integer(variant, "id", FALSE);
+			if (integer_definition) {
+				id = integer_definition->value._unsigned;
+			}
+		}
+	}
+
+	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->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)
 {
 	struct ctf_text_stream_pos *pos;
@@ -69,6 +228,8 @@ struct trace_descriptor *ctf_text_open_trace(const char *path, int flags)
 			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: