Make API CTF-agnostic
[babeltrace.git] / plugins / text / dmesg / dmesg.c
index ba5546af9a7e97dcfe5a7e27da984eff591616f8..86dec73633d1fcf08c6c2281d1d30663ae1e0b44 100644 (file)
@@ -76,94 +76,6 @@ struct dmesg_component {
        struct bt_clock_class_priority_map *cc_prio_map;
 };
 
-static
-struct bt_field_type *create_packet_header_ft(void)
-{
-       struct bt_field_type *root_ft = NULL;
-       struct bt_field_type *ft = NULL;
-       int ret;
-
-       root_ft = bt_field_type_structure_create();
-       if (!root_ft) {
-               BT_LOGE_STR("Cannot create an empty structure field type object.");
-               goto error;
-       }
-
-       ft = bt_field_type_integer_create(32);
-       if (!ft) {
-               BT_LOGE_STR("Cannot create an integer field type object.");
-               goto error;
-       }
-
-       ret = bt_field_type_structure_add_field(root_ft, ft, "magic");
-       if (ret) {
-               BT_LOGE("Cannot add `magic` field type to structure field type: "
-                       "ret=%d", ret);
-               goto error;
-       }
-
-       BT_PUT(ft);
-       ft = bt_field_type_integer_create(8);
-       if (!ft) {
-               BT_LOGE_STR("Cannot create an integer field type object.");
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_PUT(root_ft);
-
-end:
-       bt_put(ft);
-       return root_ft;
-}
-
-static
-struct bt_field_type *create_event_header_ft(
-               struct bt_clock_class *clock_class)
-{
-       struct bt_field_type *root_ft = NULL;
-       struct bt_field_type *ft = NULL;
-       int ret;
-
-       root_ft = bt_field_type_structure_create();
-       if (!root_ft) {
-               BT_LOGE_STR("Cannot create an empty structure field type object.");
-               goto error;
-       }
-
-       ft = bt_field_type_integer_create(64);
-       if (!ft) {
-               BT_LOGE_STR("Cannot create an integer field type object.");
-               goto error;
-       }
-
-       ret = bt_field_type_integer_set_mapped_clock_class(ft, clock_class);
-       if (ret) {
-               BT_LOGE("Cannot map integer field type to clock class: "
-                       "ret=%d", ret);
-               goto error;
-       }
-
-       ret = bt_field_type_structure_add_field(root_ft,
-               ft, "timestamp");
-       if (ret) {
-               BT_LOGE("Cannot add `timestamp` field type to structure field type: "
-                       "ret=%d", ret);
-               goto error;
-       }
-
-       goto end;
-
-error:
-       BT_PUT(root_ft);
-
-end:
-       bt_put(ft);
-       return root_ft;
-}
-
 static
 struct bt_field_type *create_event_payload_ft(void)
 {
@@ -183,10 +95,9 @@ struct bt_field_type *create_event_payload_ft(void)
                goto error;
        }
 
-       ret = bt_field_type_structure_add_field(root_ft,
-               ft, "str");
+       ret = bt_field_type_structure_append_member(root_ft, "str", ft);
        if (ret) {
-               BT_LOGE("Cannot add `str` field type to structure field type: "
+               BT_LOGE("Cannot add `str` member to structure field type: "
                        "ret=%d", ret);
                goto error;
        }
@@ -201,12 +112,6 @@ end:
        return root_ft;
 }
 
-static
-struct bt_clock_class *create_clock_class(void)
-{
-       return bt_clock_class_create("the_clock", 1000000000);
-}
-
 static
 int create_meta(struct dmesg_component *dmesg_comp, bool has_ts)
 {
@@ -221,18 +126,6 @@ int create_meta(struct dmesg_component *dmesg_comp, bool has_ts)
                goto error;
        }
 
-       ft = create_packet_header_ft();
-       if (!ft) {
-               BT_LOGE_STR("Cannot create packet header field type.");
-               goto error;
-       }
-
-       ret = bt_trace_set_packet_header_field_type(dmesg_comp->trace, ft);
-       if (ret) {
-               BT_LOGE_STR("Cannot set trace's packet header field type.");
-               goto error;
-       }
-
        if (dmesg_comp->params.read_from_stdin) {
                trace_name = "STDIN";
        } else {
@@ -253,48 +146,40 @@ int create_meta(struct dmesg_component *dmesg_comp, bool has_ts)
                }
        }
 
-       dmesg_comp->stream_class = bt_stream_class_create(NULL);
+       dmesg_comp->stream_class = bt_stream_class_create(dmesg_comp->trace);
        if (!dmesg_comp->stream_class) {
-               BT_LOGE_STR("Cannot create an empty stream class object.");
+               BT_LOGE_STR("Cannot create a stream class object.");
                goto error;
        }
 
        if (has_ts) {
-               dmesg_comp->clock_class = create_clock_class();
+               dmesg_comp->clock_class = bt_clock_class_create();
                if (!dmesg_comp->clock_class) {
                        BT_LOGE_STR("Cannot create clock class.");
                        goto error;
                }
 
-               ret = bt_trace_add_clock_class(dmesg_comp->trace,
-                       dmesg_comp->clock_class);
-               if (ret) {
-                       BT_LOGE_STR("Cannot add clock class to trace.");
-                       goto error;
-               }
-
-               bt_put(ft);
-               ft = create_event_header_ft(dmesg_comp->clock_class);
-               if (!ft) {
-                       BT_LOGE_STR("Cannot create event header field type.");
-                       goto error;
-               }
-
-               ret = bt_stream_class_set_event_header_field_type(
-                       dmesg_comp->stream_class, ft);
+               ret = bt_stream_class_set_default_clock_class(
+                       dmesg_comp->stream_class, dmesg_comp->clock_class);
                if (ret) {
-                       BT_LOGE_STR("Cannot set stream class's event header field type.");
+                       BT_LOGE_STR("Cannot set stream class's default clock class.");
                        goto error;
                }
        }
 
-       dmesg_comp->event_class = bt_event_class_create("string");
+       dmesg_comp->event_class = bt_event_class_create(
+               dmesg_comp->stream_class);
        if (!dmesg_comp->event_class) {
-               BT_LOGE_STR("Cannot create an empty event class object.");
+               BT_LOGE_STR("Cannot create an event class object.");
+               goto error;
+       }
+
+       ret = bt_event_class_set_name(dmesg_comp->event_class, "string");
+       if (ret) {
+               BT_LOGE_STR("Cannot set event class's name.");
                goto error;
        }
 
-       bt_put(ft);
        ft = create_event_payload_ft();
        if (!ft) {
                BT_LOGE_STR("Cannot create event payload field type.");
@@ -307,20 +192,6 @@ int create_meta(struct dmesg_component *dmesg_comp, bool has_ts)
                goto error;
        }
 
-       ret = bt_stream_class_add_event_class(dmesg_comp->stream_class,
-               dmesg_comp->event_class);
-       if (ret) {
-               BT_LOGE("Cannot add event class to stream class: ret=%d", ret);
-               goto error;
-       }
-
-       ret = bt_trace_add_stream_class(dmesg_comp->trace,
-               dmesg_comp->stream_class);
-       if (ret) {
-               BT_LOGE("Cannot add event class to stream class: ret=%d", ret);
-               goto error;
-       }
-
        goto end;
 
 error:
@@ -394,58 +265,24 @@ end:
        return ret;
 }
 
-static
-int fill_packet_header_field(struct bt_packet *packet)
-{
-       struct bt_field *ph = NULL;
-       struct bt_field *magic = NULL;
-       int ret;
-
-       ph = bt_packet_borrow_header(packet);
-       BT_ASSERT(ph);
-       magic = bt_field_structure_borrow_field_by_name(ph, "magic");
-       if (!magic) {
-               BT_LOGE_STR("Cannot borrow `magic` field from structure field.");
-               goto error;
-       }
-
-       ret = bt_field_integer_unsigned_set_value(magic, 0xc1fc1fc1);
-       BT_ASSERT(ret == 0);
-       goto end;
-
-error:
-       ret = -1;
-
-end:
-       return ret;
-}
-
 static
 int create_packet_and_stream(struct dmesg_component *dmesg_comp)
 {
        int ret = 0;
 
-       dmesg_comp->stream = bt_stream_create(dmesg_comp->stream_class,
-               NULL, 0);
+       dmesg_comp->stream = bt_stream_create(dmesg_comp->stream_class);
        if (!dmesg_comp->stream) {
                BT_LOGE_STR("Cannot create stream object.");
                goto error;
        }
 
-       dmesg_comp->packet = bt_packet_create(dmesg_comp->stream,
-               BT_PACKET_PREVIOUS_PACKET_AVAILABILITY_NONE, NULL);
+       dmesg_comp->packet = bt_packet_create(dmesg_comp->stream);
        if (!dmesg_comp->packet) {
                BT_LOGE_STR("Cannot create packet object.");
                goto error;
        }
 
-       ret = fill_packet_header_field(dmesg_comp->packet);
-       if (ret) {
-               BT_LOGE_STR("Cannot fill packet header field.");
-               goto error;
-       }
-
-       ret = bt_trace_set_is_static(dmesg_comp->trace);
+       ret = bt_trace_make_static(dmesg_comp->trace);
        if (ret) {
                BT_LOGE_STR("Cannot make trace static.");
                goto error;
@@ -595,8 +432,6 @@ struct bt_notification *create_init_event_notif_from_line(
        unsigned long sec, usec, msec;
        unsigned int year, mon, mday, hour, min;
        uint64_t ts = 0;
-       struct bt_field *eh_field = NULL;
-       struct bt_field *ts_field = NULL;
        int ret = 0;
        struct dmesg_component *dmesg_comp = notif_iter->dmesg_comp;
 
@@ -673,19 +508,7 @@ skip_ts:
        BT_ASSERT(event);
 
        if (dmesg_comp->clock_class) {
-               ret = bt_event_set_clock_value(event,
-                       dmesg_comp->clock_class, ts, BT_TRUE);
-               BT_ASSERT(ret == 0);
-               eh_field = bt_event_borrow_header(event);
-               BT_ASSERT(eh_field);
-               ts_field = bt_field_structure_borrow_field_by_name(eh_field,
-                       "timestamp");
-               if (!ts_field) {
-                       BT_LOGE_STR("Cannot borrow `timestamp` field from event header structure field.");
-                       goto error;
-               }
-
-               ret = bt_field_integer_unsigned_set_value(ts_field, ts);
+               ret = bt_event_set_default_clock_value(event, ts);
                BT_ASSERT(ret == 0);
        }
 
@@ -706,9 +529,10 @@ int fill_event_payload_from_line(const char *line, struct bt_event *event)
        size_t len;
        int ret;
 
-       ep_field = bt_event_borrow_payload(event);
+       ep_field = bt_event_borrow_payload_field(event);
        BT_ASSERT(ep_field);
-       str_field = bt_field_structure_borrow_field_by_name(ep_field, "str");
+       str_field = bt_field_structure_borrow_member_field_by_index(ep_field,
+               0);
        if (!str_field) {
                BT_LOGE_STR("Cannot borrow `timestamp` field from event payload structure field.");
                goto error;
@@ -726,7 +550,7 @@ int fill_event_payload_from_line(const char *line, struct bt_event *event)
                goto error;
        }
 
-       ret = bt_field_string_append_len(str_field, line, len);
+       ret = bt_field_string_append_with_length(str_field, line, len);
        if (ret) {
                BT_LOGE("Cannot append value to string field object: "
                        "len=%zu", len);
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