#include <babeltrace/ctf-ir/stream-class-internal.h>
#include <babeltrace/ctf-ir/field-types.h>
#include <babeltrace/ctf-ir/fields.h>
-#include <babeltrace/ctf-ir/validation-internal.h>
#include <babeltrace/ctf-ir/attributes-internal.h>
#include <babeltrace/ctf-ir/clock-class-internal.h>
#include <babeltrace/object-internal.h>
+#include <babeltrace/object-pool-internal.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/values.h>
#include <babeltrace/types.h>
#include <sys/types.h>
#include <babeltrace/compat/uuid-internal.h>
-struct bt_trace_common {
- struct bt_object base;
- GString *name;
- int frozen;
- unsigned char uuid[BABELTRACE_UUID_LEN];
- bt_bool uuid_set;
- enum bt_byte_order native_byte_order;
- struct bt_value *environment;
- GPtrArray *clock_classes; /* Array of pointers to bt_clock_class */
- GPtrArray *stream_classes; /* Array of ptrs to bt_stream_class_common */
- GPtrArray *streams; /* Array of ptrs to bt_stream_common */
- struct bt_field_type_common *packet_header_field_type;
- int64_t next_stream_id;
-
- /*
- * This flag indicates if the trace is valid. A valid
- * trace is _always_ frozen.
- */
- int valid;
-};
-
struct bt_trace {
- struct bt_trace_common common;
- GPtrArray *listeners; /* Array of struct listener_wrapper */
- GArray *is_static_listeners;
- bt_bool is_static;
- bt_bool in_remove_listener;
-};
-
-BT_HIDDEN
-int bt_trace_object_modification(struct bt_visitor_object *object,
- void *trace_ptr);
-
-BT_HIDDEN
-bt_bool bt_trace_common_has_clock_class(struct bt_trace_common *trace,
- struct bt_clock_class *clock_class);
-
-/**
-@brief User function type to use with bt_trace_add_listener().
-
-@param[in] obj New CTF IR object which is part of the trace
- class hierarchy.
-@param[in] data User data.
-
-@prenotnull{obj}
-*/
-typedef void (*bt_listener_cb)(struct bt_visitor_object *obj, void *data);
-
-/**
-@brief Adds the trace class modification listener \p listener to
- the CTF IR trace class \p trace_class.
-
-Once you add \p listener to \p trace_class, whenever \p trace_class
-is modified, \p listener is called with the new element and with
-\p data (user data).
-
-@param[in] trace_class Trace class to which to add \p listener.
-@param[in] listener Modification listener function.
-@param[in] data User data.
-@returns 0 on success, or a negative value on error.
-
-@prenotnull{trace_class}
-@prenotnull{listener}
-@postrefcountsame{trace_class}
-*/
-BT_HIDDEN
-int bt_trace_add_listener(struct bt_trace *trace_class,
- bt_listener_cb listener, void *data);
-
-BT_HIDDEN
-int bt_trace_common_initialize(struct bt_trace_common *trace,
- bt_object_release_func release_func);
-
-BT_HIDDEN
-void bt_trace_common_finalize(struct bt_trace_common *trace);
-
-static inline
-const char *bt_trace_common_get_name(struct bt_trace_common *trace)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return trace->name ? trace->name->str : NULL;
-}
-
-BT_HIDDEN
-int bt_trace_common_set_name(struct bt_trace_common *trace, const char *name);
-
-static inline
-const unsigned char *bt_trace_common_get_uuid(struct bt_trace_common *trace)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return trace->uuid_set ? trace->uuid : NULL;
-}
-
-BT_HIDDEN
-int bt_trace_common_set_uuid(struct bt_trace_common *trace, const unsigned char *uuid);
-
-BT_HIDDEN
-int bt_trace_common_set_environment_field(struct bt_trace_common *trace,
- const char *name, struct bt_value *value);
-
-BT_HIDDEN
-int bt_trace_common_set_environment_field_string(struct bt_trace_common *trace,
- const char *name, const char *value);
-
-BT_HIDDEN
-int bt_trace_common_set_environment_field_integer(struct bt_trace_common *trace,
- const char *name, int64_t value);
-
-static inline
-int64_t bt_trace_common_get_environment_field_count(
- struct bt_trace_common *trace)
-{
- int64_t ret;
-
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- ret = bt_attributes_get_count(trace->environment);
- BT_ASSERT(ret >= 0);
- return ret;
-}
-
-static inline
-const char *
-bt_trace_common_get_environment_field_name_by_index(
- struct bt_trace_common *trace, uint64_t index)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return bt_attributes_get_field_name(trace->environment, index);
-}
-
-static inline
-struct bt_value *bt_trace_common_borrow_environment_field_value_by_index(
- struct bt_trace_common *trace, uint64_t index)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return bt_attributes_borrow_field_value(trace->environment, index);
-}
-
-static inline
-struct bt_value *bt_trace_common_borrow_environment_field_value_by_name(
- struct bt_trace_common *trace, const char *name)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- BT_ASSERT_PRE_NON_NULL(name, "Name");
- return bt_attributes_borrow_field_value_by_name(trace->environment,
- name);
-}
-
-BT_HIDDEN
-int bt_trace_common_add_clock_class(struct bt_trace_common *trace,
- struct bt_clock_class *clock_class);
-
-static inline
-int64_t bt_trace_common_get_clock_class_count(struct bt_trace_common *trace)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return trace->clock_classes->len;
-}
-
-static inline
-struct bt_clock_class *bt_trace_common_borrow_clock_class_by_index(
- struct bt_trace_common *trace, uint64_t index)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- BT_ASSERT_PRE(index < trace->clock_classes->len,
- "Index is out of bounds: index=%" PRIu64 ", "
- "count=%u",
- index, trace->clock_classes->len);
- return g_ptr_array_index(trace->clock_classes, index);
-}
-
-static inline
-int64_t bt_trace_common_get_stream_count(struct bt_trace_common *trace)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return (int64_t) trace->streams->len;
-}
-
-static inline
-struct bt_stream_common *bt_trace_common_borrow_stream_by_index(
- struct bt_trace_common *trace,
- uint64_t index)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- BT_ASSERT_PRE(index < trace->streams->len,
- "Index is out of bounds: index=%" PRIu64 ", "
- "count=%u",
- index, trace->streams->len);
- return g_ptr_array_index(trace->streams, index);
-}
-
-static inline
-int64_t bt_trace_common_get_stream_class_count(struct bt_trace_common *trace)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return (int64_t) trace->stream_classes->len;
-}
-
-static inline
-struct bt_stream_class_common *bt_trace_common_borrow_stream_class_by_index(
- struct bt_trace_common *trace, uint64_t index)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- BT_ASSERT_PRE(index < trace->stream_classes->len,
- "Index is out of bounds: index=%" PRIu64 ", "
- "count=%u",
- index, trace->stream_classes->len);
- return g_ptr_array_index(trace->stream_classes, index);
-}
-
-static inline
-struct bt_stream_class_common *bt_trace_common_borrow_stream_class_by_id(
- struct bt_trace_common *trace, uint64_t id_param)
-{
- int i;
- struct bt_stream_class_common *stream_class = NULL;
- int64_t id = (int64_t) id_param;
+ struct bt_object base;
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- BT_ASSERT_PRE(id >= 0,
- "Invalid stream class ID: %" PRIu64, id_param);
+ struct {
+ GString *str;
- for (i = 0; i < trace->stream_classes->len; i++) {
- struct bt_stream_class_common *stream_class_candidate;
+ /* NULL or `str->str` above */
+ const char *value;
+ } name;
- stream_class_candidate =
- g_ptr_array_index(trace->stream_classes, i);
+ struct {
+ uint8_t uuid[BABELTRACE_UUID_LEN];
- if (bt_stream_class_common_get_id(stream_class_candidate) ==
- (int64_t) id) {
- stream_class = stream_class_candidate;
- goto end;
- }
- }
+ /* NULL or `uuid` above */
+ bt_uuid value;
+ } uuid;
-end:
- return stream_class;
-}
+ struct bt_value *environment;
-static inline
-struct bt_clock_class *bt_trace_common_borrow_clock_class_by_name(
- struct bt_trace_common *trace, const char *name)
-{
- size_t i;
- struct bt_clock_class *clock_class = NULL;
+ /* Array of `struct bt_stream_class *` */
+ GPtrArray *stream_classes;
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- BT_ASSERT_PRE_NON_NULL(name, "Name");
+ /* Array of `struct bt_stream *` */
+ GPtrArray *streams;
- for (i = 0; i < trace->clock_classes->len; i++) {
- struct bt_clock_class *cur_clk =
- g_ptr_array_index(trace->clock_classes, i);
- const char *cur_clk_name = bt_clock_class_get_name(cur_clk);
+ /*
+ * Stream class (weak) to number of instantiated streams, used
+ * to automatically assign stream IDs per stream class.
+ */
+ GHashTable *stream_classes_stream_count;
- if (!cur_clk_name) {
- goto end;
- }
+ struct bt_field_type *packet_header_ft;
+ bool assigns_automatic_stream_class_id;
- if (!strcmp(cur_clk_name, name)) {
- clock_class = cur_clk;
- goto end;
- }
- }
+ GArray *is_static_listeners;
+ bool is_static;
+ bool in_remove_listener;
-end:
- return clock_class;
-}
+ /* Pool of `struct bt_field_wrapper *` */
+ struct bt_object_pool packet_header_field_pool;
-static inline
-enum bt_byte_order bt_trace_common_get_native_byte_order(
- struct bt_trace_common *trace)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return trace->native_byte_order;
-}
+ bool frozen;
+};
BT_HIDDEN
-int bt_trace_common_set_native_byte_order(struct bt_trace_common *trace,
- enum bt_byte_order byte_order, bool allow_unspecified);
+void _bt_trace_freeze(struct bt_trace *trace);
-static inline
-struct bt_field_type_common *bt_trace_common_borrow_packet_header_field_type(
- struct bt_trace_common *trace)
-{
- BT_ASSERT_PRE_NON_NULL(trace, "Trace");
- return trace->packet_header_field_type;
-}
+#ifdef BT_DEV_MODE
+# define bt_trace_freeze _bt_trace_freeze
+#else
+# define bt_trace_freeze(_trace)
+#endif
BT_HIDDEN
-int bt_trace_common_set_packet_header_field_type(struct bt_trace_common *trace,
- struct bt_field_type_common *packet_header_field_type);
-
-static inline
-void bt_trace_common_freeze(struct bt_trace_common *trace)
-{
- int i;
-
- if (trace->frozen) {
- return;
- }
-
- BT_LOGD("Freezing trace: addr=%p, name=\"%s\"",
- trace, bt_trace_common_get_name(trace));
- BT_LOGD_STR("Freezing packet header field type.");
- bt_field_type_common_freeze(trace->packet_header_field_type);
- BT_LOGD_STR("Freezing environment attributes.");
- bt_attributes_freeze(trace->environment);
-
- if (trace->clock_classes->len > 0) {
- BT_LOGD_STR("Freezing clock classes.");
- }
-
- for (i = 0; i < trace->clock_classes->len; i++) {
- struct bt_clock_class *clock_class =
- g_ptr_array_index(trace->clock_classes, i);
-
- bt_clock_class_freeze(clock_class);
- }
-
- trace->frozen = 1;
-}
+void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream);
BT_HIDDEN
-int bt_trace_common_add_stream_class(struct bt_trace_common *trace,
- struct bt_stream_class_common *stream_class,
- bt_validation_flag_copy_field_type_func copy_field_type_func,
- struct bt_clock_class *init_expected_clock_class,
- int (*map_clock_classes_func)(struct bt_stream_class_common *stream_class,
- struct bt_field_type_common *packet_context_field_type,
- struct bt_field_type_common *event_header_field_type),
- bool check_ts_begin_end_mapped);
+uint64_t bt_trace_get_automatic_stream_id(struct bt_trace *trace,
+ struct bt_stream_class *stream_class);
#endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */