Rename struct ctf_file_event to struct ctf_stream_event
[babeltrace.git] / formats / ctf-text / ctf-text.c
index cc882f60b02d64ebbe777701c50c69755bf8007b..361c527cce7a90d491a04b08a7d71f706bc19c62 100644 (file)
@@ -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 +53,201 @@ struct format ctf_text_format = {
        .close_trace = ctf_text_close_trace,
 };
 
+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 = 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 +265,8 @@ 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:
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