Enumeration mapping iterator's initial position is inconsistent
[babeltrace.git] / plugins / text / pretty / print.c
index 1d941e914a7792f0eede6d74ebbdddf1855715ec..7234b8a485bbe4d94e4bbc3e37e6c5b3dd1a5535 100644 (file)
  * SOFTWARE.
  */
 
-#include <babeltrace/ctf-ir/event.h>
-#include <babeltrace/ctf-ir/event-class.h>
-#include <babeltrace/ctf-ir/packet.h>
-#include <babeltrace/ctf-ir/stream.h>
-#include <babeltrace/ctf-ir/stream-class.h>
-#include <babeltrace/ctf-ir/clock-class.h>
-#include <babeltrace/ctf-ir/field-types.h>
-#include <babeltrace/ctf-ir/fields.h>
-#include <babeltrace/ctf-ir/trace.h>
-#include <babeltrace/graph/notification-event.h>
-#include <babeltrace/graph/clock-class-priority-map.h>
+#include <babeltrace/babeltrace.h>
 #include <babeltrace/bitfield-internal.h>
 #include <babeltrace/common-internal.h>
 #include <babeltrace/compat/time-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 +121,20 @@ 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");
@@ -193,9 +179,10 @@ void print_timestamp_wall(struct pretty_component *pretty,
                struct tm tm;
                time_t time_s = (time_t) ts_sec_abs;
 
-               if (is_negative) {
+               if (is_negative && !pretty->negative_timestamp_warning_done) {
                        // TODO: log instead
                        fprintf(stderr, "[warning] Fallback to [sec.ns] to print negative time value. Use --clock-seconds.\n");
+                       pretty->negative_timestamp_warning_done = true;
                        goto seconds;
                }
 
@@ -301,7 +288,11 @@ 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);
@@ -499,15 +490,33 @@ enum bt_component_status print_event_header(struct pretty_component *pretty,
                }
        }
        if (pretty->options.print_loglevel_field) {
-               struct bt_value *loglevel_str, *loglevel_value;
-
-               loglevel_str = bt_ctf_event_class_get_attribute_value_by_name(event_class,
-                               "loglevel_string");
-               loglevel_value = bt_ctf_event_class_get_attribute_value_by_name(event_class,
-                               "loglevel");
-               if (loglevel_str || loglevel_value) {
-                       bool has_str = false;
+               static const char *log_level_names[] = {
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_EMERGENCY ] = "TRACE_EMERG",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_ALERT ] = "TRACE_ALERT",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_CRITICAL ] = "TRACE_CRIT",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_ERROR ] = "TRACE_ERR",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_WARNING ] = "TRACE_WARNING",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_NOTICE ] = "TRACE_NOTICE",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_INFO ] = "TRACE_INFO",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM ] = "TRACE_DEBUG_SYSTEM",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM ] = "TRACE_DEBUG_PROGRAM",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS ] = "TRACE_DEBUG_PROCESS",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE ] = "TRACE_DEBUG_MODULE",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT ] = "TRACE_DEBUG_UNIT",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION ] = "TRACE_DEBUG_FUNCTION",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG_LINE ] = "TRACE_DEBUG_LINE",
+                       [ BT_CTF_EVENT_CLASS_LOG_LEVEL_DEBUG ] = "TRACE_DEBUG",
+               };
+               enum bt_ctf_event_class_log_level log_level;
+               const char *log_level_str = NULL;
+
+               log_level = bt_ctf_event_class_get_log_level(event_class);
+               assert(log_level != BT_CTF_EVENT_CLASS_LOG_LEVEL_UNKNOWN);
+               if (log_level != BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED) {
+                       log_level_str = log_level_names[log_level];
+               }
 
+               if (log_level_str) {
                        if (!pretty->start_line) {
                                g_string_append(pretty->string, ", ");
                        }
@@ -516,34 +525,17 @@ enum bt_component_status print_event_header(struct pretty_component *pretty,
                        } else if (dom_print) {
                                g_string_append(pretty->string, ":");
                        }
-                       if (loglevel_str) {
-                               const char *str;
-
-                               if (bt_value_string_get(loglevel_str, &str)
-                                               == BT_VALUE_STATUS_OK) {
-                                       g_string_append(pretty->string, str);
-                                       has_str = true;
-                               }
-                       }
-                       if (loglevel_value) {
-                               int64_t value;
-
-                               if (bt_value_integer_get(loglevel_value, &value)
-                                               == BT_VALUE_STATUS_OK) {
-                                       g_string_append_printf(pretty->string, "%s(%" PRId64 ")",
-                                               has_str ? " " : "", value);
-                               }
-                       }
-                       bt_put(loglevel_str);
-                       bt_put(loglevel_value);
+
+                       g_string_append(pretty->string, log_level_str);
+                       g_string_append_printf(
+                               pretty->string, " (%d)", (int) log_level);
                        dom_print = 1;
                }
        }
        if (pretty->options.print_emf_field) {
-               struct bt_value *uri_str;
+               const char *uri_str;
 
-               uri_str = bt_ctf_event_class_get_attribute_value_by_name(event_class,
-                               "model.emf.uri");
+               uri_str = bt_ctf_event_class_get_emf_uri(event_class);
                if (uri_str) {
                        if (!pretty->start_line) {
                                g_string_append(pretty->string, ", ");
@@ -553,15 +545,8 @@ enum bt_component_status print_event_header(struct pretty_component *pretty,
                        } else if (dom_print) {
                                g_string_append(pretty->string, ":");
                        }
-                       if (uri_str) {
-                               const char *str;
 
-                               if (bt_value_string_get(uri_str, &str)
-                                               == BT_VALUE_STATUS_OK) {
-                                       g_string_append(pretty->string, str);
-                               }
-                       }
-                       bt_put(uri_str);
+                       g_string_append(pretty->string, uri_str);
                        dom_print = 1;
                }
        }
@@ -852,11 +837,18 @@ enum bt_component_status print_enum(struct pretty_component *pretty,
                iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(
                                enumeration_field_type, value);
        }
-       if (!iter) {
-               ret = BT_COMPONENT_STATUS_ERROR;
-               goto end;
-       }
        g_string_append(pretty->string, "( ");
+       ret = bt_ctf_field_type_enumeration_mapping_iterator_next(iter);
+       if (ret) {
+               if (pretty->use_colors) {
+                       g_string_append(pretty->string, COLOR_UNKNOWN);
+               }
+               g_string_append(pretty->string, "<unknown>");
+               if (pretty->use_colors) {
+                       g_string_append(pretty->string, COLOR_RST);
+               }
+               goto skip_loop;
+       }
        for (;;) {
                const char *mapping_name;
 
@@ -878,15 +870,7 @@ enum bt_component_status print_enum(struct pretty_component *pretty,
                        break;
                }
        }
-       if (!nr_mappings) {
-               if (pretty->use_colors) {
-                       g_string_append(pretty->string, COLOR_UNKNOWN);
-               }
-               g_string_append(pretty->string, "<unknown>");
-               if (pretty->use_colors) {
-                       g_string_append(pretty->string, COLOR_RST);
-               }
-       }
+skip_loop:
        g_string_append(pretty->string, " : container = ");
        ret = print_integer(pretty, container_field);
        if (ret != BT_COMPONENT_STATUS_OK) {
@@ -1260,7 +1244,9 @@ enum bt_component_status print_variant(struct pretty_component *pretty,
                }
 
                iter = bt_ctf_field_enumeration_get_mappings(tag_field);
-               if (!iter) {
+               iter_ret = bt_ctf_field_type_enumeration_mapping_iterator_next(
+                       iter);
+               if (!iter || ret) {
                        bt_put(tag_field);
                        ret = BT_COMPONENT_STATUS_ERROR;
                        goto end;
@@ -1320,14 +1306,23 @@ enum bt_component_status print_field(struct pretty_component *pretty,
        case CTF_TYPE_ENUM:
                return print_enum(pretty, field);
        case CTF_TYPE_STRING:
+       {
+               const char *str;
+
+               str = bt_ctf_field_string_get_value(field);
+               if (!str) {
+                       return BT_COMPONENT_STATUS_ERROR;
+               }
+
                if (pretty->use_colors) {
                        g_string_append(pretty->string, COLOR_STRING_VALUE);
                }
-               print_escape_string(pretty, bt_ctf_field_string_get_value(field));
+               print_escape_string(pretty, str);
                if (pretty->use_colors) {
                        g_string_append(pretty->string, COLOR_RST);
                }
                return BT_COMPONENT_STATUS_OK;
+       }
        case CTF_TYPE_STRUCT:
                return print_struct(pretty, field, print_names, filter_fields,
                                filter_array_len);
@@ -1478,6 +1473,23 @@ 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)
@@ -1525,7 +1537,7 @@ 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;
        }
@@ -1535,3 +1547,127 @@ 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;
+       int64_t count;
+       struct bt_ctf_clock_value *clock_value = NULL;
+
+       /* Stream name */
+       switch (bt_notification_get_type(notif)) {
+       case BT_NOTIFICATION_TYPE_DISCARDED_EVENTS:
+               stream = bt_notification_discarded_events_get_stream(notif);
+               count = bt_notification_discarded_events_get_count(notif);
+               is_discarded_events = true;
+               break;
+       case BT_NOTIFICATION_TYPE_DISCARDED_PACKETS:
+               stream = bt_notification_discarded_packets_get_stream(notif);
+               count = bt_notification_discarded_packets_get_count(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%s between [",
+               bt_common_color_fg_yellow(),
+               bt_common_color_bold(),
+               bt_common_color_reset(),
+               bt_common_color_fg_yellow(),
+               count, is_discarded_events ? "event" : "packet",
+               count == 1 ? "" : "s");
+       g_string_assign(pretty->string, "");
+       clock_value = is_discarded_events ?
+               bt_notification_discarded_events_get_begin_clock_value(notif) :
+               bt_notification_discarded_packets_get_begin_clock_value(notif);
+       print_timestamp_wall(pretty, clock_value);
+       BT_PUT(clock_value);
+       fprintf(stderr, "%s] and [", pretty->string->str);
+       g_string_assign(pretty->string, "");
+       clock_value = is_discarded_events ?
+               bt_notification_discarded_events_get_end_clock_value(notif) :
+               bt_notification_discarded_packets_get_end_clock_value(notif);
+       print_timestamp_wall(pretty, clock_value);
+       BT_PUT(clock_value);
+       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);
+       bt_put(clock_value);
+       return ret;
+}
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