Initial port of the state system to the LTTng 2.0 trace format

[lttv.git] / lttv / lttv / event.c

diff --git a/lttv/lttv/event.c b/lttv/lttv/event.c
new file mode 100644 (file)
index 0000000..8c1b6d8
--- /dev/null
+++ b/lttv/lttv/event.c
@@ -0,0 +1,129 @@
+
+
+
+#include <lttv/event.h>
+#include <lttv/time.h>
+#include <babeltrace/ctf/events.h>
+
+LttTime lttv_event_get_timestamp(LttvEvent *event)
+{
+  return ltt_time_from_uint64(bt_ctf_get_timestamp(event->bt_event));
+}
+
+//TODO ybrosseau find a way to return an error code
+unsigned long lttv_event_get_long_unsigned(LttvEvent *event, const char* field)
+{
+       struct definition *scope;
+       unsigned long timestamp;
+       unsigned long data;
+       struct bt_ctf_event *ctf_event = event->bt_event;
+
+       timestamp = bt_ctf_get_timestamp(ctf_event);
+       if (timestamp == -1ULL) {
+               return 0;
+       }
+       //scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT);
+       scope = bt_ctf_get_top_level_scope(ctf_event, BT_EVENT_FIELDS);
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       }
+       data = bt_ctf_get_uint64(bt_ctf_get_field(ctf_event, scope, field));
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       } else {
+               return data;
+       }
+}
+
+
+char* lttv_event_get_string(LttvEvent *event, const char* field)
+{
+       struct definition *scope;
+       unsigned long timestamp;
+       char* data;
+       struct bt_ctf_event *ctf_event = event->bt_event;
+
+       timestamp = bt_ctf_get_timestamp(ctf_event);
+       if (timestamp == -1ULL) {
+               return 0;
+       }
+       //scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT);
+       scope = bt_ctf_get_top_level_scope(ctf_event, BT_EVENT_FIELDS);
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       }
+       data = bt_ctf_get_char_array(bt_ctf_get_field(ctf_event, scope, field));
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       } else {
+               return data;
+       }
+}
+long lttv_event_get_long(LttvEvent *event, const char* field)
+{
+       struct definition *scope;
+       unsigned long timestamp;
+       long data;
+       struct bt_ctf_event *ctf_event = event->bt_event;
+
+       timestamp = bt_ctf_get_timestamp(ctf_event);
+       if (timestamp == -1ULL) {
+               return 0;
+       }
+       scope = bt_ctf_get_top_level_scope(ctf_event, BT_EVENT_FIELDS);
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       }
+       data = bt_ctf_get_int64(bt_ctf_get_field(ctf_event, scope, field));
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       } else {
+               return data;
+       }
+}
+/*
+unsigned int lttv_event_get_int_unsigned(LttvEvent *event, const char* field)
+{
+       struct definition *scope;
+       unsigned long timestamp;
+       char* data;
+       struct bt_ctf_event *ctf_event = event->bt_event;
+
+       timestamp = bt_ctf_get_timestamp(ctf_event);
+       if (timestamp == -1ULL) {
+               return 0;
+       }
+       scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT);
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       }
+       data = bt_ctf_get_char_array(bt_ctf_get_field(ctf_event, scope, field));
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       } else {
+               return data;
+       }
+}
+int lttv_event_get_int(LttvEvent *event, const char* field)
+{
+       struct definition *scope;
+       unsigned long timestamp;
+       char* data;
+       struct bt_ctf_event *ctf_event = event->bt_event;
+
+       timestamp = bt_ctf_get_timestamp(ctf_event);
+       if (timestamp == -1ULL) {
+               return 0;
+       }
+       scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT);
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       }
+       data = bt_ctf_get_char_array(bt_ctf_get_field(ctf_event, scope, field));
+       if (bt_ctf_field_get_error()) {
+               return 0;
+       } else {
+               return data;
+       }
+}
+*/