sink.text.pretty: print discarded events and packets messages
[babeltrace.git] / plugins / text / pretty / print.c
index 1161a3869d969ac707860d6e3ed9cb0343acff74..7271c3f9acd8726a8ad8fdc534371efbba9fcda3 100644 (file)
@@ -37,6 +37,8 @@
 #include <babeltrace/ctf-ir/fields.h>
 #include <babeltrace/ctf-ir/trace.h>
 #include <babeltrace/graph/notification-event.h>
+#include <babeltrace/graph/notification-discarded-events.h>
+#include <babeltrace/graph/notification-discarded-packets.h>
 #include <babeltrace/graph/clock-class-priority-map.h>
 #include <babeltrace/bitfield-internal.h>
 #include <babeltrace/common-internal.h>
 #define NSEC_PER_SEC 1000000000LL
 
 #define COLOR_NAME             BT_COMMON_COLOR_BOLD
-#define COLOR_FIELD_NAME               BT_COMMON_COLOR_FG_CYAN
+#define COLOR_FIELD_NAME       BT_COMMON_COLOR_FG_CYAN
 #define COLOR_RST              BT_COMMON_COLOR_RESET
 #define COLOR_STRING_VALUE     BT_COMMON_COLOR_BOLD
 #define COLOR_NUMBER_VALUE     BT_COMMON_COLOR_BOLD
 #define COLOR_ENUM_MAPPING_NAME        BT_COMMON_COLOR_BOLD
 #define COLOR_UNKNOWN          BT_COMMON_COLOR_BOLD BT_COMMON_COLOR_FG_RED
-#define COLOR_EVENT_NAME               BT_COMMON_COLOR_BOLD BT_COMMON_COLOR_FG_MAGENTA
+#define COLOR_EVENT_NAME       BT_COMMON_COLOR_BOLD BT_COMMON_COLOR_FG_MAGENTA
 #define COLOR_TIMESTAMP                BT_COMMON_COLOR_BOLD BT_COMMON_COLOR_FG_YELLOW
 
 static inline
@@ -131,24 +133,20 @@ void print_timestamp_cycles(struct pretty_component *pretty,
 
 static
 void print_timestamp_wall(struct pretty_component *pretty,
-               struct bt_ctf_clock_class *clock_class,
-               struct bt_ctf_event *event)
+               struct bt_ctf_clock_value *clock_value)
 {
        int ret;
-       struct bt_ctf_clock_value *clock_value;
        int64_t ts_nsec = 0;    /* add configurable offset */
        int64_t ts_sec = 0;     /* add configurable offset */
        uint64_t ts_sec_abs, ts_nsec_abs;
        bool is_negative;
 
-       clock_value = bt_ctf_event_get_clock_value(event, clock_class);
        if (!clock_value) {
                g_string_append(pretty->string, "??:??:??.?????????");
                return;
        }
 
        ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, &ts_nsec);
-       bt_put(clock_value);
        if (ret) {
                // TODO: log, this is unexpected
                g_string_append(pretty->string, "Error");
@@ -301,7 +299,11 @@ enum bt_component_status print_event_timestamp(struct pretty_component *pretty,
        if (pretty->options.print_timestamp_cycles) {
                print_timestamp_cycles(pretty, clock_class, event);
        } else {
-               print_timestamp_wall(pretty, clock_class, event);
+               struct bt_ctf_clock_value *clock_value =
+                       bt_ctf_event_get_clock_value(event, clock_class);
+
+               print_timestamp_wall(pretty, clock_value);
+               bt_put(clock_value);
        }
        if (pretty->use_colors) {
                g_string_append(pretty->string, COLOR_RST);
@@ -1472,6 +1474,23 @@ end:
        return ret;
 }
 
+static
+int flush_buf(struct pretty_component *pretty)
+{
+       int ret = 0;
+
+       if (pretty->string->len == 0) {
+               goto end;
+       }
+
+       if (fwrite(pretty->string->str, pretty->string->len, 1, pretty->out) != 1) {
+               ret = -1;
+       }
+
+end:
+       return ret;
+}
+
 BT_HIDDEN
 enum bt_component_status pretty_print_event(struct pretty_component *pretty,
                struct bt_notification *event_notif)
@@ -1519,7 +1538,7 @@ enum bt_component_status pretty_print_event(struct pretty_component *pretty,
        }
 
        g_string_append_c(pretty->string, '\n');
-       if (fwrite(pretty->string->str, pretty->string->len, 1, pretty->out) != 1) {
+       if (flush_buf(pretty)) {
                ret = BT_COMPONENT_STATUS_ERROR;
                goto end;
        }
@@ -1529,3 +1548,122 @@ end:
        bt_put(cc_prio_map);
        return ret;
 }
+
+BT_HIDDEN
+enum bt_component_status pretty_print_discarded_elements(
+               struct pretty_component *pretty,
+               struct bt_notification *notif)
+{
+       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+       struct bt_ctf_stream *stream = NULL;
+       struct bt_ctf_stream_class *stream_class = NULL;
+       struct bt_ctf_trace *trace = NULL;
+       const char *stream_name;
+       const char *trace_name;
+       const unsigned char *trace_uuid;
+       int64_t stream_class_id;
+       int64_t stream_id;
+       bool is_discarded_events;
+
+       /* Stream name */
+       switch (bt_notification_get_type(notif)) {
+       case BT_NOTIFICATION_TYPE_DISCARDED_EVENTS:
+               stream = bt_notification_discarded_events_get_stream(notif);
+               is_discarded_events = true;
+               break;
+       case BT_NOTIFICATION_TYPE_DISCARDED_PACKETS:
+               stream = bt_notification_discarded_packets_get_stream(notif);
+               is_discarded_events = false;
+               break;
+       default:
+               abort();
+       }
+
+       assert(stream);
+       stream_name = bt_ctf_stream_get_name(stream);
+
+       /* Stream class ID */
+       stream_class = bt_ctf_stream_get_class(stream);
+       assert(stream_class);
+       stream_class_id = bt_ctf_stream_class_get_id(stream_class);
+
+       /* Stream ID */
+       stream_id = bt_ctf_stream_get_id(stream);
+
+       /* Trace path */
+       trace = bt_ctf_stream_class_get_trace(stream_class);
+       assert(trace);
+       trace_name = bt_ctf_trace_get_name(trace);
+       if (!trace_name) {
+               trace_name = "(unknown)";
+       }
+
+       /* Trace UUID */
+       trace_uuid = bt_ctf_trace_get_uuid(trace);
+
+       /*
+        * Print to standard error stream to remain backward compatible
+        * with Babeltrace 1.
+        */
+       fprintf(stderr,
+               "%s%sWARNING%s%s: Tracer discarded %" PRId64 " %s between [",
+               bt_common_color_fg_yellow(),
+               bt_common_color_bold(),
+               bt_common_color_reset(),
+               bt_common_color_fg_yellow(),
+               is_discarded_events ?
+                       bt_notification_discarded_events_get_count(notif) :
+                       bt_notification_discarded_packets_get_count(notif),
+               is_discarded_events ? "events" : "packets");
+       g_string_assign(pretty->string, "");
+       print_timestamp_wall(pretty,
+               is_discarded_events ?
+               bt_notification_discarded_events_get_begin_clock_value(notif) :
+               bt_notification_discarded_packets_get_begin_clock_value(notif));
+       fprintf(stderr, "%s] and [", pretty->string->str);
+       g_string_assign(pretty->string, "");
+       print_timestamp_wall(pretty,
+               is_discarded_events ?
+               bt_notification_discarded_events_get_end_clock_value(notif) :
+               bt_notification_discarded_packets_get_end_clock_value(notif));
+       fprintf(stderr, "%s] in trace \"%s\" ",
+               pretty->string->str, trace_name);
+
+       if (trace_uuid) {
+               fprintf(stderr,
+                       "(UUID: %02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x) ",
+                       trace_uuid[0],
+                       trace_uuid[1],
+                       trace_uuid[2],
+                       trace_uuid[3],
+                       trace_uuid[4],
+                       trace_uuid[5],
+                       trace_uuid[6],
+                       trace_uuid[7],
+                       trace_uuid[8],
+                       trace_uuid[9],
+                       trace_uuid[10],
+                       trace_uuid[11],
+                       trace_uuid[12],
+                       trace_uuid[13],
+                       trace_uuid[14],
+                       trace_uuid[15]);
+       } else {
+               fprintf(stderr, "(no UUID) ");
+       }
+
+       fprintf(stderr, "within stream \"%s\" (stream class ID: %" PRId64 ", ",
+               stream_name, stream_class_id);
+
+       if (stream_id >= 0) {
+               fprintf(stderr, "stream ID: %" PRId64, stream_id);
+       } else {
+               fprintf(stderr, "no stream ID");
+       }
+
+       fprintf(stderr, ").%s\n", bt_common_color_reset());
+       bt_put(stream);
+       bt_put(stream_class);
+       bt_put(trace);
+       return ret;
+}
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