lib: make trace IR API const-correct
[babeltrace.git] / lib / trace-ir / trace.c
index d33a4dc49710e8bfdafba85df38706e644c60f67..5fe179d71a5bad616f5e21040de2f4038d69b205 100644 (file)
@@ -26,7 +26,7 @@
 #include <babeltrace/lib-logging-internal.h>
 
 #include <babeltrace/assert-pre-internal.h>
-#include <babeltrace/trace-ir/private-trace.h>
+#include <babeltrace/trace-ir/trace-const.h>
 #include <babeltrace/trace-ir/trace-internal.h>
 #include <babeltrace/trace-ir/clock-class-internal.h>
 #include <babeltrace/trace-ir/stream-internal.h>
@@ -43,7 +43,7 @@
 #include <babeltrace/trace-ir/resolve-field-path-internal.h>
 #include <babeltrace/compiler-internal.h>
 #include <babeltrace/values.h>
-#include <babeltrace/private-values.h>
+#include <babeltrace/values-const.h>
 #include <babeltrace/values-internal.h>
 #include <babeltrace/object.h>
 #include <babeltrace/types.h>
@@ -56,8 +56,8 @@
 #include <stdlib.h>
 
 struct bt_trace_is_static_listener_elem {
-       bt_private_trace_is_static_listener func;
-       bt_private_trace_listener_removed removed;
+       bt_trace_is_static_listener_func func;
+       bt_trace_listener_removed_func removed;
        void *data;
 };
 
@@ -136,7 +136,7 @@ void free_packet_header_field(struct bt_field_wrapper *field_wrapper,
        bt_field_wrapper_destroy(field_wrapper);
 }
 
-struct bt_private_trace *bt_private_trace_create(void)
+struct bt_trace *bt_trace_create(void)
 {
        struct bt_trace *trace = NULL;
        int ret;
@@ -210,17 +210,14 @@ end:
        return (void *) trace;
 }
 
-const char *bt_trace_get_name(struct bt_trace *trace)
+const char *bt_trace_get_name(const struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        return trace->name.value;
 }
 
-int bt_private_trace_set_name(struct bt_private_trace *priv_trace,
-               const char *name)
+int bt_trace_set_name(struct bt_trace *trace, const char *name)
 {
-       struct bt_trace *trace = (void *) priv_trace;
-
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
        BT_ASSERT_PRE_TRACE_HOT(trace);
@@ -230,17 +227,14 @@ int bt_private_trace_set_name(struct bt_private_trace *priv_trace,
        return 0;
 }
 
-bt_uuid bt_trace_get_uuid(struct bt_trace *trace)
+bt_uuid bt_trace_get_uuid(const struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        return trace->uuid.value;
 }
 
-void bt_private_trace_set_uuid(struct bt_private_trace *priv_trace,
-               bt_uuid uuid)
+void bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid)
 {
-       struct bt_trace *trace = (void *) priv_trace;
-
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(uuid, "UUID");
        BT_ASSERT_PRE_TRACE_HOT(trace);
@@ -251,7 +245,7 @@ void bt_private_trace_set_uuid(struct bt_private_trace *priv_trace,
 
 BT_ASSERT_FUNC
 static
-bool trace_has_environment_entry(struct bt_trace *trace, const char *name)
+bool trace_has_environment_entry(const struct bt_trace *trace, const char *name)
 {
        BT_ASSERT(trace);
 
@@ -261,7 +255,7 @@ bool trace_has_environment_entry(struct bt_trace *trace, const char *name)
 
 static
 int set_environment_entry(struct bt_trace *trace, const char *name,
-               struct bt_private_value *value)
+               struct bt_value *value)
 {
        int ret;
 
@@ -274,7 +268,7 @@ int set_environment_entry(struct bt_trace *trace, const char *name,
                "%![trace-]+t, entry-name=\"%s\"", trace, name);
        ret = bt_attributes_set_field_value(trace->environment, name,
                value);
-       bt_value_freeze(bt_private_value_as_value(value));
+       bt_value_freeze(value);
        if (ret) {
                BT_LIB_LOGE("Cannot set trace's environment entry: "
                        "%![trace-]+t, entry-name=\"%s\"", trace, name);
@@ -286,18 +280,16 @@ int set_environment_entry(struct bt_trace *trace, const char *name,
        return ret;
 }
 
-int bt_private_trace_set_environment_entry_string(
-               struct bt_private_trace *priv_trace,
+int bt_trace_set_environment_entry_string(
+               struct bt_trace *trace,
                const char *name, const char *value)
 {
        int ret;
-       struct bt_private_value *value_obj;
-       struct bt_trace *trace = (void *) priv_trace;
-
+       struct bt_value *value_obj;
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
        BT_ASSERT_PRE_NON_NULL(value, "Value");
-       value_obj = bt_private_value_string_create_init(value);
+       value_obj = bt_value_string_create_init(value);
        if (!value_obj) {
                BT_LOGE_STR("Cannot create a string value object.");
                ret = -1;
@@ -312,17 +304,14 @@ end:
        return ret;
 }
 
-int bt_private_trace_set_environment_entry_integer(
-               struct bt_private_trace *priv_trace,
+int bt_trace_set_environment_entry_integer(struct bt_trace *trace,
                const char *name, int64_t value)
 {
        int ret;
-       struct bt_private_value *value_obj;
-       struct bt_trace *trace = (void *) priv_trace;
-
+       struct bt_value *value_obj;
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
-       value_obj = bt_private_value_integer_create_init(value);
+       value_obj = bt_value_integer_create_init(value);
        if (!value_obj) {
                BT_LOGE_STR("Cannot create an integer value object.");
                ret = -1;
@@ -337,7 +326,7 @@ end:
        return ret;
 }
 
-uint64_t bt_trace_get_environment_entry_count(struct bt_trace *trace)
+uint64_t bt_trace_get_environment_entry_count(const struct bt_trace *trace)
 {
        int64_t ret;
 
@@ -347,49 +336,31 @@ uint64_t bt_trace_get_environment_entry_count(struct bt_trace *trace)
        return (uint64_t) ret;
 }
 
-void bt_trace_borrow_environment_entry_by_index(
-               struct bt_trace *trace, uint64_t index,
-               const char **name, struct bt_value **value)
+void bt_trace_borrow_environment_entry_by_index_const(
+               const struct bt_trace *trace, uint64_t index,
+               const char **name, const struct bt_value **value)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
        BT_ASSERT_PRE_NON_NULL(value, "Value");
        BT_ASSERT_PRE_VALID_INDEX(index,
                bt_attributes_get_count(trace->environment));
-       *value = bt_private_value_as_value(
-               bt_attributes_borrow_field_value(trace->environment, index));
+       *value = bt_attributes_borrow_field_value(trace->environment, index);
        BT_ASSERT(*value);
        *name = bt_attributes_get_field_name(trace->environment, index);
        BT_ASSERT(*name);
 }
 
-void bt_private_trace_borrow_environment_entry_by_index(
-               struct bt_private_trace *trace, uint64_t index,
-               const char **name, struct bt_private_value **value)
-{
-       bt_trace_borrow_environment_entry_by_index((void *) trace,
-               index, name, (void *) value);
-}
-
-struct bt_value *bt_trace_borrow_environment_entry_value_by_name(
-               struct bt_trace *trace, const char *name)
+const struct bt_value *bt_trace_borrow_environment_entry_value_by_name_const(
+               const struct bt_trace *trace, const char *name)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
-       return bt_private_value_as_value(
-               bt_attributes_borrow_field_value_by_name(trace->environment,
-                       name));
+       return bt_attributes_borrow_field_value_by_name(trace->environment,
+               name);
 }
 
-struct bt_private_value *
-bt_private_trace_borrow_environment_entry_value_by_name(
-               struct bt_private_trace *trace, const char *name)
-{
-       return (void *) bt_trace_borrow_environment_entry_value_by_name(
-               (void *) trace, name);
-}
-
-uint64_t bt_trace_get_stream_count(struct bt_trace *trace)
+uint64_t bt_trace_get_stream_count(const struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        return (uint64_t) trace->streams->len;
@@ -403,14 +374,14 @@ struct bt_stream *bt_trace_borrow_stream_by_index(
        return g_ptr_array_index(trace->streams, index);
 }
 
-struct bt_private_stream *bt_private_trace_borrow_stream_by_index(
-               struct bt_private_trace *trace, uint64_t index)
+const struct bt_stream *bt_trace_borrow_stream_by_index_const(
+               const struct bt_trace *trace, uint64_t index)
 {
-       return (void *) bt_trace_borrow_stream_by_index((void *) trace, index);
+       return bt_trace_borrow_stream_by_index((void *) trace, index);
 }
 
-struct bt_stream *bt_trace_borrow_stream_by_id(
-               struct bt_trace *trace, uint64_t id)
+struct bt_stream *bt_trace_borrow_stream_by_id(struct bt_trace *trace,
+               uint64_t id)
 {
        struct bt_stream *stream = NULL;
        uint64_t i;
@@ -431,13 +402,13 @@ end:
        return stream;
 }
 
-struct bt_private_stream *bt_private_trace_borrow_private_stream_by_id(
-               struct bt_private_trace *trace, uint64_t id)
+const struct bt_stream *bt_trace_borrow_stream_by_id_const(
+               const struct bt_trace *trace, uint64_t id)
 {
-       return (void *) bt_trace_borrow_stream_by_id((void *) trace, id);
+       return bt_trace_borrow_stream_by_id((void *) trace, id);
 }
 
-uint64_t bt_trace_get_stream_class_count(struct bt_trace *trace)
+uint64_t bt_trace_get_stream_class_count(const struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        return (uint64_t) trace->stream_classes->len;
@@ -451,11 +422,11 @@ struct bt_stream_class *bt_trace_borrow_stream_class_by_index(
        return g_ptr_array_index(trace->stream_classes, index);
 }
 
-struct bt_private_stream_class *
-bt_private_trace_borrow_stream_class_by_index(
-               struct bt_private_trace *trace, uint64_t index)
+const struct bt_stream_class *
+bt_trace_borrow_stream_class_by_index_const(
+               const struct bt_trace *trace, uint64_t index)
 {
-       return (void *) bt_trace_borrow_stream_class_by_index(
+       return bt_trace_borrow_stream_class_by_index(
                (void *) trace, index);
 }
 
@@ -481,27 +452,25 @@ end:
        return stream_class;
 }
 
-struct bt_private_stream_class *
-bt_private_trace_borrow_stream_class_by_id(
-               struct bt_private_trace *trace, uint64_t id)
+const struct bt_stream_class *
+bt_trace_borrow_stream_class_by_id_const(
+               const struct bt_trace *trace, uint64_t id)
 {
-       return (void *) bt_trace_borrow_stream_class_by_id((void *) trace, id);
+       return bt_trace_borrow_stream_class_by_id((void *) trace, id);
 }
 
-struct bt_field_class *bt_trace_borrow_packet_header_field_class(
-               struct bt_trace *trace)
+const struct bt_field_class *bt_trace_borrow_packet_header_field_class_const(
+               const struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        return trace->packet_header_fc;
 }
 
-int bt_private_trace_set_packet_header_field_class(
-               struct bt_private_trace *priv_trace,
-               struct bt_private_field_class *priv_field_class)
+int bt_trace_set_packet_header_field_class(
+               struct bt_trace *trace,
+               struct bt_field_class *field_class)
 {
        int ret;
-       struct bt_trace *trace = (void *) priv_trace;
-       struct bt_field_class *field_class = (void *) priv_field_class;
        struct bt_resolve_field_path_context resolve_ctx = {
                .packet_header = field_class,
                .packet_context = NULL,
@@ -534,16 +503,14 @@ end:
        return ret;
 }
 
-bt_bool bt_trace_is_static(struct bt_trace *trace)
+bt_bool bt_trace_is_static(const struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        return (bt_bool) trace->is_static;
 }
 
-int bt_private_trace_make_static(struct bt_private_trace *priv_trace)
-{
-       struct bt_trace *trace = (void *) priv_trace;
-       uint64_t i;
+int bt_trace_make_static(struct bt_trace *trace)
+{      uint64_t i;
 
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        trace->is_static = true;
@@ -564,13 +531,13 @@ int bt_private_trace_make_static(struct bt_private_trace *priv_trace)
        return 0;
 }
 
-int bt_private_trace_add_is_static_listener(
-               struct bt_private_trace *priv_trace,
-               bt_private_trace_is_static_listener listener,
-               bt_private_trace_listener_removed listener_removed, void *data,
+int bt_trace_add_is_static_listener(
+               const struct bt_trace *c_trace,
+               bt_trace_is_static_listener_func listener,
+               bt_trace_listener_removed_func listener_removed, void *data,
                uint64_t *listener_id)
 {
-       struct bt_trace *trace = (void *) priv_trace;
+       struct bt_trace *trace = (void *) c_trace;
        uint64_t i;
        struct bt_trace_is_static_listener_elem new_elem = {
                .func = listener,
@@ -614,7 +581,7 @@ int bt_private_trace_add_is_static_listener(
 
 BT_ASSERT_PRE_FUNC
 static
-bool has_listener_id(struct bt_trace *trace, uint64_t listener_id)
+bool has_listener_id(const struct bt_trace *trace, uint64_t listener_id)
 {
        BT_ASSERT(listener_id < trace->is_static_listeners->len);
        return (&g_array_index(trace->is_static_listeners,
@@ -622,10 +589,10 @@ bool has_listener_id(struct bt_trace *trace, uint64_t listener_id)
                        listener_id))->func != NULL;
 }
 
-int bt_private_trace_remove_is_static_listener(
-               struct bt_private_trace *priv_trace, uint64_t listener_id)
+int bt_trace_remove_is_static_listener(const struct bt_trace *c_trace,
+               uint64_t listener_id)
 {
-       struct bt_trace *trace = (void *) priv_trace;
+       struct bt_trace *trace = (void *) c_trace;
        struct bt_trace_is_static_listener_elem *elem;
 
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
@@ -662,25 +629,23 @@ int bt_private_trace_remove_is_static_listener(
 }
 
 BT_HIDDEN
-void _bt_trace_freeze(struct bt_trace *trace)
+void _bt_trace_freeze(const struct bt_trace *trace)
 {
        /* The packet header field classe is already frozen */
        BT_ASSERT(trace);
        BT_LIB_LOGD("Freezing trace: %!+t", trace);
-       trace->frozen = true;
+       ((struct bt_trace *) trace)->frozen = true;
 }
 
-bt_bool bt_trace_assigns_automatic_stream_class_id(struct bt_trace *trace)
+bt_bool bt_trace_assigns_automatic_stream_class_id(const struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        return (bt_bool) trace->assigns_automatic_stream_class_id;
 }
 
-void bt_private_trace_set_assigns_automatic_stream_class_id(
-               struct bt_private_trace *priv_trace, bt_bool value)
+void bt_trace_set_assigns_automatic_stream_class_id(struct bt_trace *trace,
+               bt_bool value)
 {
-       struct bt_trace *trace = (void *) priv_trace;
-
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_TRACE_HOT(trace);
        trace->assigns_automatic_stream_class_id = (bool) value;
@@ -708,8 +673,8 @@ void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream)
 }
 
 BT_HIDDEN
-uint64_t bt_trace_get_automatic_stream_id(struct bt_trace *trace,
-               struct bt_stream_class *stream_class)
+uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace,
+               const struct bt_stream_class *stream_class)
 {
        gpointer orig_key;
        gpointer value;
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