Fix type-limits warnings, uint can't be < 0
[babeltrace.git] / cli / babeltrace.c
index 29a54a5846e4c9155b4571cbbae8c48b5769b68d..934f9f85eda9ebecaa44c0a6f296ede10da006d2 100644 (file)
 static const char* log_level_env_var_names[] = {
        "BABELTRACE_COMMON_LOG_LEVEL",
        "BABELTRACE_COMPAT_LOG_LEVEL",
-       "BABELTRACE_PLUGIN_CTF_BTR_LOG_LEVEL",
-       "BABELTRACE_SINK_CTF_FS_LOG_LEVEL",
-       "BABELTRACE_SRC_CTF_FS_LOG_LEVEL",
-       "BABELTRACE_SRC_CTF_LTTNG_LIVE_LOG_LEVEL",
-       "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
-       "BABELTRACE_PLUGIN_CTF_NOTIF_ITER_LOG_LEVEL",
-       "BABELTRACE_PLUGIN_CTFCOPYTRACE_LIB_LOG_LEVEL",
+       "BABELTRACE_CTFSER_LOG_LEVEL",
+       "BABELTRACE_FD_CACHE_LOG_LEVEL",
        "BABELTRACE_FLT_LTTNG_UTILS_DEBUG_INFO_LOG_LEVEL",
-       "BABELTRACE_SRC_TEXT_DMESG_LOG_LEVEL",
-       "BABELTRACE_SINK_TEXT_PRETTY_LOG_LEVEL",
+       "BABELTRACE_FLT_UTILS_COUNTER_LOG_LEVEL",
        "BABELTRACE_FLT_UTILS_MUXER_LOG_LEVEL",
        "BABELTRACE_FLT_UTILS_TRIMMER_LOG_LEVEL",
+       "BABELTRACE_PLUGIN_CTF_BFCR_LOG_LEVEL",
+       "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
+       "BABELTRACE_PLUGIN_CTF_MSG_ITER_LOG_LEVEL",
+       "BABELTRACE_PLUGIN_CTF_UTILS_LOG_LEVEL",
        "BABELTRACE_PYTHON_BT2_LOG_LEVEL",
-       "BABELTRACE_PYTHON_PLUGIN_PROVIDER_LOG_LEVEL",
+       "BABELTRACE_SINK_CTF_FS_LOG_LEVEL",
+       "BABELTRACE_SINK_TEXT_PRETTY_LOG_LEVEL",
+       "BABELTRACE_SRC_CTF_FS_LOG_LEVEL",
+       "BABELTRACE_SRC_CTF_LTTNG_LIVE_LOG_LEVEL",
+       "BABELTRACE_SRC_TEXT_DMESG_LOG_LEVEL",
        NULL,
 };
 
 /* Application's processing graph (weak) */
-static struct bt_private_graph *the_graph;
-static struct bt_private_query_executor *the_query_executor;
+static bt_graph *the_graph;
+static bt_query_executor *the_query_executor;
 static bool canceled = false;
 
 GPtrArray *loaded_plugins;
@@ -82,7 +84,7 @@ GPtrArray *loaded_plugins;
 static
 BOOL WINAPI signal_handler(DWORD signal) {
        if (the_graph) {
-               bt_private_graph_cancel(the_graph);
+               bt_graph_cancel(the_graph);
        }
 
        canceled = true;
@@ -108,11 +110,11 @@ void signal_handler(int signum)
        }
 
        if (the_graph) {
-               bt_private_graph_cancel(the_graph);
+               bt_graph_cancel(the_graph);
        }
 
        if (the_query_executor) {
-               bt_private_query_executor_cancel(the_query_executor);
+               bt_query_executor_cancel(the_query_executor);
        }
 
        canceled = true;
@@ -138,7 +140,8 @@ void set_signal_handler(void)
 static
 void init_static_data(void)
 {
-       loaded_plugins = g_ptr_array_new_with_free_func(bt_object_put_ref);
+       loaded_plugins = g_ptr_array_new_with_free_func(
+               (GDestroyNotify) bt_object_put_ref);
 }
 
 static
@@ -152,7 +155,7 @@ int create_the_query_executor(void)
 {
        int ret = 0;
 
-       the_query_executor = bt_private_query_executor_create();
+       the_query_executor = bt_query_executor_create();
        if (!the_query_executor) {
                BT_LOGE_STR("Cannot create a query executor.");
                ret = -1;
@@ -164,16 +167,16 @@ int create_the_query_executor(void)
 static
 void destroy_the_query_executor(void)
 {
-       BT_OBJECT_PUT_REF_AND_RESET(the_query_executor);
+       BT_QUERY_EXECUTOR_PUT_REF_AND_RESET(the_query_executor);
 }
 
 static
-int query(struct bt_component_class *comp_cls, const char *obj,
-               struct bt_value *params, struct bt_value **user_result,
+int query(const bt_component_class *comp_cls, const char *obj,
+               const bt_value *params, const bt_value **user_result,
                const char **fail_reason)
 {
-       struct bt_value *result = NULL;
-       enum bt_query_status status;
+       const bt_value *result = NULL;
+       bt_query_executor_status status;
        *fail_reason = "unknown error";
        int ret = 0;
 
@@ -195,22 +198,21 @@ int query(struct bt_component_class *comp_cls, const char *obj,
        }
 
        while (true) {
-               status = bt_private_query_executor_query(the_query_executor,
+               status = bt_query_executor_query(the_query_executor,
                        comp_cls, obj, params, &result);
                switch (status) {
-               case BT_QUERY_STATUS_OK:
+               case BT_QUERY_EXECUTOR_STATUS_OK:
                        goto ok;
-               case BT_QUERY_STATUS_AGAIN:
+               case BT_QUERY_EXECUTOR_STATUS_AGAIN:
                {
                        const uint64_t sleep_time_us = 100000;
 
                        /* Wait 100 ms and retry */
-                       BT_LOGV("Got BT_QUERY_STATUS_AGAIN: sleeping: "
+                       BT_LOGV("Got BT_QUERY_EXECUTOR_STATUS_AGAIN: sleeping: "
                                "time-us=%" PRIu64, sleep_time_us);
 
                        if (usleep(sleep_time_us)) {
-                               if (bt_query_executor_is_canceled(
-                                               bt_private_query_executor_as_query_executor(the_query_executor))) {
+                               if (bt_query_executor_is_canceled(the_query_executor)) {
                                        BT_LOGI("Query was canceled by user: "
                                                "comp-cls-addr=%p, comp-cls-name=\"%s\", "
                                                "query-obj=\"%s\"", comp_cls,
@@ -223,18 +225,21 @@ int query(struct bt_component_class *comp_cls, const char *obj,
 
                        continue;
                }
-               case BT_QUERY_STATUS_EXECUTOR_CANCELED:
+               case BT_QUERY_EXECUTOR_STATUS_CANCELED:
                        *fail_reason = "canceled by user";
                        goto error;
-               case BT_QUERY_STATUS_ERROR:
+               case BT_QUERY_EXECUTOR_STATUS_ERROR:
                        goto error;
-               case BT_QUERY_STATUS_INVALID_OBJECT:
+               case BT_QUERY_EXECUTOR_STATUS_INVALID_OBJECT:
                        *fail_reason = "invalid or unknown query object";
                        goto error;
-               case BT_QUERY_STATUS_INVALID_PARAMS:
+               case BT_QUERY_EXECUTOR_STATUS_INVALID_PARAMS:
                        *fail_reason = "invalid query parameters";
                        goto error;
-               case BT_QUERY_STATUS_NOMEM:
+               case BT_QUERY_EXECUTOR_STATUS_UNSUPPORTED:
+                       *fail_reason = "unsupported action";
+                       goto error;
+               case BT_QUERY_EXECUTOR_STATUS_NOMEM:
                        *fail_reason = "not enough memory";
                        goto error;
                default:
@@ -253,15 +258,15 @@ error:
 
 end:
        destroy_the_query_executor();
-       bt_object_put_ref(result);
+       bt_value_put_ref(result);
        return ret;
 }
 
 static
-struct bt_plugin *find_plugin(const char *name)
+const bt_plugin *find_plugin(const char *name)
 {
        int i;
-       struct bt_plugin *plugin = NULL;
+       const bt_plugin *plugin = NULL;
 
        BT_ASSERT(name);
        BT_LOGD("Finding plugin: name=\"%s\"", name);
@@ -284,19 +289,20 @@ struct bt_plugin *find_plugin(const char *name)
                }
        }
 
-       return bt_object_get_ref(plugin);
+       bt_plugin_get_ref(plugin);
+       return plugin;
 }
 
-typedef void *(*plugin_borrow_comp_cls_func_t)(struct bt_plugin *,
-       const char *);
+typedef const void *(*plugin_borrow_comp_cls_func_t)(
+               const bt_plugin *, const char *);
 
 static
-void *find_component_class_from_plugin(const char *plugin_name,
+const void *find_component_class_from_plugin(const char *plugin_name,
                const char *comp_class_name,
                plugin_borrow_comp_cls_func_t plugin_borrow_comp_cls_func)
 {
-       void *comp_class = NULL;
-       struct bt_plugin *plugin;
+       const void *comp_class = NULL;
+       const bt_plugin *plugin;
 
        BT_LOGD("Finding component class: plugin-name=\"%s\", "
                "comp-cls-name=\"%s\"", plugin_name, comp_class_name);
@@ -306,9 +312,9 @@ void *find_component_class_from_plugin(const char *plugin_name,
                goto end;
        }
 
-       comp_class = bt_object_get_ref(
-               plugin_borrow_comp_cls_func(plugin, comp_class_name));
-       BT_OBJECT_PUT_REF_AND_RESET(plugin);
+       comp_class = plugin_borrow_comp_cls_func(plugin, comp_class_name);
+       bt_object_get_ref(comp_class);
+       BT_PLUGIN_PUT_REF_AND_RESET(plugin);
 
 end:
        if (BT_LOG_ON_DEBUG) {
@@ -324,57 +330,51 @@ end:
 }
 
 static
-struct bt_component_class_source *find_source_component_class(
+const bt_component_class_source *find_source_component_class(
                const char *plugin_name, const char *comp_class_name)
 {
-       return (void *) find_component_class_from_plugin(plugin_name,
-               comp_class_name,
+       return (const void *) find_component_class_from_plugin(
+               plugin_name, comp_class_name,
                (plugin_borrow_comp_cls_func_t)
-                       bt_plugin_borrow_source_component_class_by_name);
+                       bt_plugin_borrow_source_component_class_by_name_const);
 }
 
 static
-struct bt_component_class_filter *find_filter_component_class(
+const bt_component_class_filter *find_filter_component_class(
                const char *plugin_name, const char *comp_class_name)
 {
-       return (void *) find_component_class_from_plugin(plugin_name,
-               comp_class_name,
+       return (const void *) find_component_class_from_plugin(
+               plugin_name, comp_class_name,
                (plugin_borrow_comp_cls_func_t)
-                       bt_plugin_borrow_filter_component_class_by_name);
+                       bt_plugin_borrow_filter_component_class_by_name_const);
 }
 
 static
-struct bt_component_class_sink *find_sink_component_class(
+const bt_component_class_sink *find_sink_component_class(
                const char *plugin_name, const char *comp_class_name)
 {
-       return (void *) find_component_class_from_plugin(plugin_name,
+       return (const void *) find_component_class_from_plugin(plugin_name,
                comp_class_name,
                (plugin_borrow_comp_cls_func_t)
-                       bt_plugin_borrow_sink_component_class_by_name);
+                       bt_plugin_borrow_sink_component_class_by_name_const);
 }
 
 static
-struct bt_component_class *find_component_class(const char *plugin_name,
+const bt_component_class *find_component_class(const char *plugin_name,
                const char *comp_class_name,
-               enum bt_component_class_type comp_class_type)
+               bt_component_class_type comp_class_type)
 {
-       struct bt_component_class *comp_cls = NULL;
+       const bt_component_class *comp_cls = NULL;
 
        switch (comp_class_type) {
        case BT_COMPONENT_CLASS_TYPE_SOURCE:
-               comp_cls = bt_component_class_source_as_component_class(
-                       find_source_component_class(plugin_name,
-                               comp_class_name));
+               comp_cls = bt_component_class_source_as_component_class_const(find_source_component_class(plugin_name, comp_class_name));
                break;
        case BT_COMPONENT_CLASS_TYPE_FILTER:
-               comp_cls = bt_component_class_filter_as_component_class(
-                       find_filter_component_class(plugin_name,
-                               comp_class_name));
+               comp_cls = bt_component_class_filter_as_component_class_const(find_filter_component_class(plugin_name, comp_class_name));
                break;
        case BT_COMPONENT_CLASS_TYPE_SINK:
-               comp_cls = bt_component_class_sink_as_component_class(
-                       find_sink_component_class(plugin_name,
-                               comp_class_name));
+               comp_cls = bt_component_class_sink_as_component_class_const(find_sink_component_class(plugin_name, comp_class_name));
                break;
        default:
                abort();
@@ -394,7 +394,7 @@ void print_indent(FILE *fp, size_t indent)
 }
 
 static
-const char *component_type_str(enum bt_component_class_type type)
+const char *component_type_str(bt_component_class_type type)
 {
        switch (type) {
        case BT_COMPONENT_CLASS_TYPE_SOURCE:
@@ -410,7 +410,7 @@ const char *component_type_str(enum bt_component_class_type type)
 
 static
 void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
-               const char *comp_cls_name, enum bt_component_class_type type)
+               const char *comp_cls_name, bt_component_class_type type)
 {
        GString *shell_plugin_name = NULL;
        GString *shell_comp_cls_name = NULL;
@@ -448,10 +448,10 @@ end:
 }
 
 static
-void print_value(FILE *, struct bt_value *, size_t);
+void print_value(FILE *, const bt_value *, size_t);
 
 static
-void print_value_rec(FILE *, struct bt_value *, size_t);
+void print_value_rec(FILE *, const bt_value *, size_t);
 
 struct print_map_value_data {
        size_t indent;
@@ -459,7 +459,8 @@ struct print_map_value_data {
 };
 
 static
-bt_bool print_map_value(const char *key, struct bt_value *object, void *data)
+bt_bool print_map_value(const char *key, const bt_value *object,
+               void *data)
 {
        struct print_map_value_data *print_map_value_data = data;
 
@@ -490,10 +491,11 @@ bt_bool print_map_value(const char *key, struct bt_value *object, void *data)
 }
 
 static
-void print_value_rec(FILE *fp, struct bt_value *value, size_t indent)
+void print_value_rec(FILE *fp, const bt_value *value, size_t indent)
 {
        bt_bool bool_val;
        int64_t int_val;
+       uint64_t uint_val;
        double dbl_val;
        const char *str_val;
        int size;
@@ -514,8 +516,14 @@ void print_value_rec(FILE *fp, struct bt_value *value, size_t indent)
                        bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
                        bt_common_color_reset());
                break;
-       case BT_VALUE_TYPE_INTEGER:
-               int_val = bt_value_integer_get(value);
+       case BT_VALUE_TYPE_UNSIGNED_INTEGER:
+               uint_val = bt_value_unsigned_integer_get(value);
+               fprintf(fp, "%s%s%" PRIu64 "%s\n", bt_common_color_bold(),
+                       bt_common_color_fg_red(), uint_val,
+                       bt_common_color_reset());
+               break;
+       case BT_VALUE_TYPE_SIGNED_INTEGER:
+               int_val = bt_value_signed_integer_get(value);
                fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(),
                        bt_common_color_fg_red(), int_val,
                        bt_common_color_reset());
@@ -545,8 +553,8 @@ void print_value_rec(FILE *fp, struct bt_value *value, size_t indent)
                }
 
                for (i = 0; i < size; i++) {
-                       struct bt_value *element =
-                               bt_value_array_borrow_element_by_index(
+                       const bt_value *element =
+                               bt_value_array_borrow_element_by_index_const(
                                        value, i);
 
                        if (!element) {
@@ -588,7 +596,7 @@ void print_value_rec(FILE *fp, struct bt_value *value, size_t indent)
                        break;
                }
 
-               bt_value_map_foreach_entry(value, print_map_value, &data);
+               bt_value_map_foreach_entry_const(value, print_map_value, &data);
                break;
        }
        default:
@@ -602,7 +610,7 @@ error:
 }
 
 static
-void print_value(FILE *fp, struct bt_value *value, size_t indent)
+void print_value(FILE *fp, const bt_value *value, size_t indent)
 {
        if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
                print_indent(fp, indent);
@@ -626,8 +634,7 @@ void print_bt_config_component(struct bt_config_component *bt_config_component)
        }
 
        fprintf(stderr, "      Parameters:\n");
-       print_value(stderr,
-               bt_private_value_as_value(bt_config_component->params), 8);
+       print_value(stderr, bt_config_component->params, 8);
 }
 
 static
@@ -644,7 +651,7 @@ void print_bt_config_components(GPtrArray *array)
 }
 
 static
-void print_plugin_paths(struct bt_value *plugin_paths)
+void print_plugin_paths(const bt_value *plugin_paths)
 {
        fprintf(stderr, "  Plugin paths:\n");
        print_value(stderr, plugin_paths, 4);
@@ -655,7 +662,7 @@ void print_cfg_run(struct bt_config *cfg)
 {
        size_t i;
 
-       print_plugin_paths(bt_private_value_as_value(cfg->plugin_paths));
+       print_plugin_paths(cfg->plugin_paths);
        fprintf(stderr, "  Source component instances:\n");
        print_bt_config_components(cfg->cmd_data.run.sources);
 
@@ -686,19 +693,19 @@ void print_cfg_run(struct bt_config *cfg)
 static
 void print_cfg_list_plugins(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_private_value_as_value(cfg->plugin_paths));
+       print_plugin_paths(cfg->plugin_paths);
 }
 
 static
 void print_cfg_help(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_private_value_as_value(cfg->plugin_paths));
+       print_plugin_paths(cfg->plugin_paths);
 }
 
 static
 void print_cfg_print_ctf_metadata(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_private_value_as_value(cfg->plugin_paths));
+       print_plugin_paths(cfg->plugin_paths);
        fprintf(stderr, "  Path: %s\n",
                cfg->cmd_data.print_ctf_metadata.path->str);
 }
@@ -706,7 +713,7 @@ void print_cfg_print_ctf_metadata(struct bt_config *cfg)
 static
 void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_private_value_as_value(cfg->plugin_paths));
+       print_plugin_paths(cfg->plugin_paths);
        fprintf(stderr, "  URL: %s\n",
                cfg->cmd_data.print_lttng_live_sessions.url->str);
 }
@@ -714,7 +721,7 @@ void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
 static
 void print_cfg_query(struct bt_config *cfg)
 {
-       print_plugin_paths(bt_private_value_as_value(cfg->plugin_paths));
+       print_plugin_paths(cfg->plugin_paths);
        fprintf(stderr, "  Object: `%s`\n", cfg->cmd_data.query.object->str);
        fprintf(stderr, "  Component class:\n");
        print_bt_config_component(cfg->cmd_data.query.cfg_component);
@@ -756,7 +763,7 @@ void print_cfg(struct bt_config *cfg)
 }
 
 static
-void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
+void add_to_loaded_plugins(const bt_plugin_set *plugin_set)
 {
        int64_t i;
        int64_t count;
@@ -765,9 +772,9 @@ void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
        BT_ASSERT(count >= 0);
 
        for (i = 0; i < count; i++) {
-               struct bt_plugin *plugin =
-                       bt_plugin_set_borrow_plugin_by_index(plugin_set, i);
-               struct bt_plugin *loaded_plugin =
+               const bt_plugin *plugin =
+                       bt_plugin_set_borrow_plugin_by_index_const(plugin_set, i);
+               const bt_plugin *loaded_plugin =
                        find_plugin(bt_plugin_get_name(plugin));
 
                BT_ASSERT(plugin);
@@ -779,18 +786,19 @@ void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
                                bt_plugin_get_name(plugin),
                                bt_plugin_get_path(plugin),
                                bt_plugin_get_path(loaded_plugin));
-                       bt_object_put_ref(loaded_plugin);
+                       bt_plugin_put_ref(loaded_plugin);
                } else {
                        /* Add to global array. */
                        BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
                                bt_plugin_get_name(plugin));
-                       g_ptr_array_add(loaded_plugins, bt_object_get_ref(plugin));
+                       bt_plugin_get_ref(plugin);
+                       g_ptr_array_add(loaded_plugins, (void *) plugin);
                }
        }
 }
 
 static
-int load_dynamic_plugins(struct bt_value *plugin_paths)
+int load_dynamic_plugins(const bt_value *plugin_paths)
 {
        int nr_paths, i, ret = 0;
 
@@ -804,17 +812,18 @@ int load_dynamic_plugins(struct bt_value *plugin_paths)
        BT_LOGI("Loading dynamic plugins.");
 
        for (i = 0; i < nr_paths; i++) {
-               struct bt_value *plugin_path_value = NULL;
+               const bt_value *plugin_path_value = NULL;
                const char *plugin_path;
-               struct bt_plugin_set *plugin_set;
+               const bt_plugin_set *plugin_set;
 
-               plugin_path_value = bt_value_array_borrow_element_by_index(
-                       plugin_paths, i);
+               plugin_path_value =
+                       bt_value_array_borrow_element_by_index_const(
+                               plugin_paths, i);
                plugin_path = bt_value_string_get(plugin_path_value);
 
                /*
                 * Skip this if the directory does not exist because
-                * bt_plugin_create_all_from_dir() expects an existing
+                * bt_plugin_find_all_from_dir() expects an existing
                 * directory.
                 */
                if (!g_file_test(plugin_path, G_FILE_TEST_IS_DIR)) {
@@ -823,7 +832,7 @@ int load_dynamic_plugins(struct bt_value *plugin_paths)
                        continue;
                }
 
-               plugin_set = bt_plugin_create_all_from_dir(plugin_path, false);
+               plugin_set = bt_plugin_find_all_from_dir(plugin_path, false);
                if (!plugin_set) {
                        BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
                                plugin_path);
@@ -831,7 +840,7 @@ int load_dynamic_plugins(struct bt_value *plugin_paths)
                }
 
                add_to_loaded_plugins(plugin_set);
-               bt_object_put_ref(plugin_set);
+               bt_plugin_set_put_ref(plugin_set);
        }
 end:
        return ret;
@@ -841,10 +850,10 @@ static
 int load_static_plugins(void)
 {
        int ret = 0;
-       struct bt_plugin_set *plugin_set;
+       const bt_plugin_set *plugin_set;
 
        BT_LOGI("Loading static plugins.");
-       plugin_set = bt_plugin_create_all_from_static();
+       plugin_set = bt_plugin_find_all_from_static();
        if (!plugin_set) {
                BT_LOGE("Unable to load static plugins.");
                ret = -1;
@@ -852,13 +861,13 @@ int load_static_plugins(void)
        }
 
        add_to_loaded_plugins(plugin_set);
-       bt_object_put_ref(plugin_set);
+       bt_plugin_set_put_ref(plugin_set);
 end:
        return ret;
 }
 
 static
-int load_all_plugins(struct bt_value *plugin_paths)
+int load_all_plugins(const bt_value *plugin_paths)
 {
        int ret = 0;
 
@@ -879,11 +888,11 @@ end:
 }
 
 static
-void print_plugin_info(struct bt_plugin *plugin)
+void print_plugin_info(const bt_plugin *plugin)
 {
        unsigned int major, minor, patch;
        const char *extra;
-       enum bt_plugin_status version_status;
+       bt_property_availability version_avail;
        const char *plugin_name;
        const char *path;
        const char *author;
@@ -895,7 +904,7 @@ void print_plugin_info(struct bt_plugin *plugin)
        author = bt_plugin_get_author(plugin);
        license = bt_plugin_get_license(plugin);
        plugin_description = bt_plugin_get_description(plugin);
-       version_status = bt_plugin_get_version(plugin, &major, &minor,
+       version_avail = bt_plugin_get_version(plugin, &major, &minor,
                &patch, &extra);
        printf("%s%s%s%s:\n", bt_common_color_bold(),
                bt_common_color_fg_blue(), plugin_name,
@@ -907,7 +916,7 @@ void print_plugin_info(struct bt_plugin *plugin)
                puts("  Built-in");
        }
 
-       if (version_status == BT_PLUGIN_STATUS_OK) {
+       if (version_avail == BT_PROPERTY_AVAILABILITY_AVAILABLE) {
                printf("  %sVersion%s: %u.%u.%u",
                        bt_common_color_bold(), bt_common_color_reset(),
                        major, minor, patch);
@@ -933,8 +942,8 @@ static
 int cmd_query(struct bt_config *cfg)
 {
        int ret = 0;
-       struct bt_component_class *comp_cls = NULL;
-       struct bt_value *results = NULL;
+       const bt_component_class *comp_cls = NULL;
+       const bt_value *results = NULL;
        const char *fail_reason = NULL;
 
        comp_cls = find_component_class(
@@ -961,8 +970,7 @@ int cmd_query(struct bt_config *cfg)
        }
 
        ret = query(comp_cls, cfg->cmd_data.query.object->str,
-               bt_private_value_as_value(
-                       cfg->cmd_data.query.cfg_component->params),
+               cfg->cmd_data.query.cfg_component->params,
                &results, &fail_reason);
        if (ret) {
                goto failed;
@@ -996,14 +1004,14 @@ failed:
        ret = -1;
 
 end:
-       bt_object_put_ref(comp_cls);
-       bt_object_put_ref(results);
+       bt_component_class_put_ref(comp_cls);
+       bt_value_put_ref(results);
        return ret;
 }
 
 static
 void print_component_class_help(const char *plugin_name,
-               struct bt_component_class *comp_cls)
+               const bt_component_class *comp_cls)
 {
        const char *comp_class_name =
                bt_component_class_get_name(comp_cls);
@@ -1011,7 +1019,7 @@ void print_component_class_help(const char *plugin_name,
                bt_component_class_get_description(comp_cls);
        const char *comp_class_help =
                bt_component_class_get_help(comp_cls);
-       enum bt_component_class_type type =
+       bt_component_class_type type =
                bt_component_class_get_type(comp_cls);
 
        print_plugin_comp_cls_opt(stdout, plugin_name, comp_class_name, type);
@@ -1029,8 +1037,8 @@ static
 int cmd_help(struct bt_config *cfg)
 {
        int ret = 0;
-       struct bt_plugin *plugin = NULL;
-       struct bt_component_class *needed_comp_cls = NULL;
+       const bt_plugin *plugin = NULL;
+       const bt_component_class *needed_comp_cls = NULL;
 
        plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
        if (!plugin) {
@@ -1093,17 +1101,17 @@ int cmd_help(struct bt_config *cfg)
                needed_comp_cls);
 
 end:
-       bt_object_put_ref(needed_comp_cls);
-       bt_object_put_ref(plugin);
+       bt_component_class_put_ref(needed_comp_cls);
+       bt_plugin_put_ref(plugin);
        return ret;
 }
 
-typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(struct bt_plugin *,
+typedef void *(* plugin_borrow_comp_cls_by_index_func_t)(const bt_plugin *,
        uint64_t);
-typedef struct bt_component_class *(* spec_comp_cls_borrow_comp_cls_func_t)(
+typedef const bt_component_class *(* spec_comp_cls_borrow_comp_cls_func_t)(
        void *);
 
-void cmd_list_plugins_print_component_classes(struct bt_plugin *plugin,
+void cmd_list_plugins_print_component_classes(const bt_plugin *plugin,
                const char *cc_type_name, uint64_t count,
                plugin_borrow_comp_cls_by_index_func_t borrow_comp_cls_by_index_func,
                spec_comp_cls_borrow_comp_cls_func_t spec_comp_cls_borrow_comp_cls_func)
@@ -1111,25 +1119,27 @@ void cmd_list_plugins_print_component_classes(struct bt_plugin *plugin,
        uint64_t i;
 
        if (count == 0) {
-               printf("  %s%s component classes%s: (none)\n", cc_type_name,
+               printf("  %s%s component classes%s: (none)\n",
                        bt_common_color_bold(),
+                       cc_type_name,
                        bt_common_color_reset());
                goto end;
        } else {
-               printf("  %s%s component classes%s:\n", cc_type_name,
+               printf("  %s%s component classes%s:\n",
                        bt_common_color_bold(),
+                       cc_type_name,
                        bt_common_color_reset());
        }
 
        for (i = 0; i < count; i++) {
-               struct bt_component_class *comp_class =
+               const bt_component_class *comp_class =
                        spec_comp_cls_borrow_comp_cls_func(
                                borrow_comp_cls_by_index_func(plugin, i));
                const char *comp_class_name =
                        bt_component_class_get_name(comp_class);
                const char *comp_class_description =
                        bt_component_class_get_description(comp_class);
-               enum bt_component_class_type type =
+               bt_component_class_type type =
                        bt_component_class_get_type(comp_class);
 
                printf("    ");
@@ -1155,7 +1165,7 @@ int cmd_list_plugins(struct bt_config *cfg)
        int plugins_count, component_classes_count = 0, i;
 
        printf("From the following plugin paths:\n\n");
-       print_value(stdout, bt_private_value_as_value(cfg->plugin_paths), 2);
+       print_value(stdout, cfg->plugin_paths, 2);
        printf("\n");
        plugins_count = loaded_plugins->len;
        if (plugins_count == 0) {
@@ -1164,7 +1174,7 @@ int cmd_list_plugins(struct bt_config *cfg)
        }
 
        for (i = 0; i < plugins_count; i++) {
-               struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+               const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
 
                component_classes_count +=
                        bt_plugin_get_source_component_class_count(plugin) +
@@ -1181,26 +1191,26 @@ int cmd_list_plugins(struct bt_config *cfg)
                bt_common_color_reset());
 
        for (i = 0; i < plugins_count; i++) {
-               struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
+               const bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
 
                printf("\n");
                print_plugin_info(plugin);
                cmd_list_plugins_print_component_classes(plugin, "Source",
                        bt_plugin_get_source_component_class_count(plugin),
                        (plugin_borrow_comp_cls_by_index_func_t)
-                               bt_plugin_borrow_source_component_class_by_name,
+                               bt_plugin_borrow_source_component_class_by_index_const,
                        (spec_comp_cls_borrow_comp_cls_func_t)
                                bt_component_class_source_as_component_class);
                cmd_list_plugins_print_component_classes(plugin, "Filter",
                        bt_plugin_get_filter_component_class_count(plugin),
                        (plugin_borrow_comp_cls_by_index_func_t)
-                               bt_plugin_borrow_filter_component_class_by_name,
+                               bt_plugin_borrow_filter_component_class_by_index_const,
                        (spec_comp_cls_borrow_comp_cls_func_t)
                                bt_component_class_filter_as_component_class);
                cmd_list_plugins_print_component_classes(plugin, "Sink",
                        bt_plugin_get_sink_component_class_count(plugin),
                        (plugin_borrow_comp_cls_by_index_func_t)
-                               bt_plugin_borrow_sink_component_class_by_name,
+                               bt_plugin_borrow_sink_component_class_by_index_const,
                        (spec_comp_cls_borrow_comp_cls_func_t)
                                bt_component_class_sink_as_component_class);
        }
@@ -1213,14 +1223,14 @@ static
 int cmd_print_lttng_live_sessions(struct bt_config *cfg)
 {
        int ret = 0;
-       struct bt_component_class *comp_cls = NULL;
-       struct bt_value *results = NULL;
-       struct bt_private_value *params = NULL;
-       struct bt_value *map = NULL;
-       struct bt_value *v = NULL;
+       const bt_component_class *comp_cls = NULL;
+       const bt_value *results = NULL;
+       bt_value *params = NULL;
+       const bt_value *map = NULL;
+       const bt_value *v = NULL;
        static const char * const plugin_name = "ctf";
        static const char * const comp_cls_name = "lttng-live";
-       static const enum bt_component_class_type comp_cls_type =
+       static const bt_component_class_type comp_cls_type =
                BT_COMPONENT_CLASS_TYPE_SOURCE;
        int64_t array_size, i;
        const char *fail_reason = NULL;
@@ -1244,19 +1254,19 @@ int cmd_print_lttng_live_sessions(struct bt_config *cfg)
                goto error;
        }
 
-       params = bt_private_value_map_create();
+       params = bt_value_map_create();
        if (!params) {
                goto error;
        }
 
-       ret = bt_private_value_map_insert_string_entry(params, "url",
+       ret = bt_value_map_insert_string_entry(params, "url",
                cfg->cmd_data.print_lttng_live_sessions.url->str);
        if (ret) {
                goto error;
        }
 
-       ret = query(comp_cls, "sessions", bt_private_value_as_value(params),
-               &results, &fail_reason);
+       ret = query(comp_cls, "sessions", params,
+                   &results, &fail_reason);
        if (ret) {
                goto failed;
        }
@@ -1290,7 +1300,7 @@ int cmd_print_lttng_live_sessions(struct bt_config *cfg)
                const char *url_text;
                int64_t timer_us, streams, clients;
 
-               map = bt_value_array_borrow_element_by_index(results, i);
+               map = bt_value_array_borrow_element_by_index_const(results, i);
                if (!map) {
                        BT_LOGE_STR("Unexpected empty array entry.");
                        goto error;
@@ -1300,33 +1310,33 @@ int cmd_print_lttng_live_sessions(struct bt_config *cfg)
                        goto error;
                }
 
-               v = bt_value_map_borrow_entry_value(map, "url");
+               v = bt_value_map_borrow_entry_value_const(map, "url");
                if (!v) {
                        BT_LOGE_STR("Unexpected empty array \"url\" entry.");
                        goto error;
                }
                url_text = bt_value_string_get(v);
                fprintf(out_stream, "%s", url_text);
-               v = bt_value_map_borrow_entry_value(map, "timer-us");
+               v = bt_value_map_borrow_entry_value_const(map, "timer-us");
                if (!v) {
                        BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
                        goto error;
                }
-               timer_us = bt_value_integer_get(v);
+               timer_us = bt_value_signed_integer_get(v);
                fprintf(out_stream, " (timer = %" PRIu64 ", ", timer_us);
-               v = bt_value_map_borrow_entry_value(map, "stream-count");
+               v = bt_value_map_borrow_entry_value_const(map, "stream-count");
                if (!v) {
                        BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
                        goto error;
                }
-               streams = bt_value_integer_get(v);
+               streams = bt_value_signed_integer_get(v);
                fprintf(out_stream, "%" PRIu64 " stream(s), ", streams);
-               v = bt_value_map_borrow_entry_value(map, "client-count");
+               v = bt_value_map_borrow_entry_value_const(map, "client-count");
                if (!v) {
                        BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
                        goto error;
                }
-               clients = bt_value_integer_get(v);
+               clients = bt_value_signed_integer_get(v);
                fprintf(out_stream, "%" PRIu64 " client(s) connected)\n", clients);
        }
 
@@ -1344,9 +1354,9 @@ error:
        ret = -1;
 
 end:
-       bt_object_put_ref(results);
-       bt_object_put_ref(params);
-       bt_object_put_ref(comp_cls);
+       bt_value_put_ref(results);
+       bt_value_put_ref(params);
+       bt_component_class_put_ref(comp_cls);
 
        if (out_stream && out_stream != stdout) {
                int fclose_ret = fclose(out_stream);
@@ -1358,21 +1368,21 @@ end:
                }
        }
 
-       return 0;
+       return ret;
 }
 
 static
 int cmd_print_ctf_metadata(struct bt_config *cfg)
 {
        int ret = 0;
-       struct bt_component_class *comp_cls = NULL;
-       struct bt_value *results = NULL;
-       struct bt_private_value *params = NULL;
-       struct bt_value *metadata_text_value = NULL;
+       const bt_component_class *comp_cls = NULL;
+       const bt_value *results = NULL;
+       bt_value *params = NULL;
+       const bt_value *metadata_text_value = NULL;
        const char *metadata_text = NULL;
        static const char * const plugin_name = "ctf";
        static const char * const comp_cls_name = "fs";
-       static const enum bt_component_class_type comp_cls_type =
+       static const bt_component_class_type comp_cls_type =
                BT_COMPONENT_CLASS_TYPE_SOURCE;
        const char *fail_reason = NULL;
        FILE *out_stream = stdout;
@@ -1396,13 +1406,13 @@ int cmd_print_ctf_metadata(struct bt_config *cfg)
                goto end;
        }
 
-       params = bt_private_value_map_create();
+       params = bt_value_map_create();
        if (!params) {
                ret = -1;
                goto end;
        }
 
-       ret = bt_private_value_map_insert_string_entry(params, "path",
+       ret = bt_value_map_insert_string_entry(params, "path",
                cfg->cmd_data.print_ctf_metadata.path->str);
        if (ret) {
                ret = -1;
@@ -1410,12 +1420,13 @@ int cmd_print_ctf_metadata(struct bt_config *cfg)
        }
 
        ret = query(comp_cls, "metadata-info",
-               bt_private_value_as_value(params), &results, &fail_reason);
+               params, &results, &fail_reason);
        if (ret) {
                goto failed;
        }
 
-       metadata_text_value = bt_value_map_borrow_entry_value(results, "text");
+       metadata_text_value = bt_value_map_borrow_entry_value_const(results,
+                                                                   "text");
        if (!metadata_text_value) {
                BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
                ret = -1;
@@ -1455,9 +1466,9 @@ failed:
                bt_common_color_reset());
 
 end:
-       bt_object_put_ref(results);
-       bt_object_put_ref(params);
-       bt_object_put_ref(comp_cls);
+       bt_value_put_ref(results);
+       bt_value_put_ref(params);
+       bt_component_class_put_ref(comp_cls);
 
        if (out_stream && out_stream != stdout) {
                int fclose_ret = fclose(out_stream);
@@ -1469,7 +1480,7 @@ end:
                }
        }
 
-       return 0;
+       return ret;
 }
 
 struct port_id {
@@ -1530,7 +1541,7 @@ struct cmd_run_ctx {
        GHashTable *sink_components;
 
        /* Owned by this */
-       struct bt_private_graph *graph;
+       bt_graph *graph;
 
        /* Weak */
        struct bt_config *cfg;
@@ -1593,15 +1604,15 @@ char *s_from_ns(int64_t ns)
 static
 int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                struct cmd_run_ctx *ctx,
-               struct bt_component *upstream_comp,
-               struct bt_port_output *out_upstream_port,
+               const bt_component *upstream_comp,
+               const bt_port_output *out_upstream_port,
                struct bt_config_connection *cfg_conn)
 {
        typedef uint64_t (*input_port_count_func_t)(void *);
-       typedef struct bt_port_input *(*borrow_input_port_by_index_func_t)(
-               void *, uint64_t);
-       struct bt_port *upstream_port =
-               bt_port_output_as_port(out_upstream_port);
+       typedef const bt_port_input *(*borrow_input_port_by_index_func_t)(
+               const void *, uint64_t);
+       const bt_port *upstream_port =
+               bt_port_output_as_port_const(out_upstream_port);
 
        int ret = 0;
        GQuark downstreamp_comp_name_quark;
@@ -1610,15 +1621,15 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
        uint64_t i;
        input_port_count_func_t port_count_fn;
        borrow_input_port_by_index_func_t port_by_index_fn;
-       enum bt_graph_status status = BT_GRAPH_STATUS_ERROR;
+       bt_graph_status status = BT_GRAPH_STATUS_ERROR;
        bool insert_trimmer = false;
-       struct bt_private_value *trimmer_params = NULL;
+       bt_value *trimmer_params = NULL;
        char *intersection_begin = NULL;
        char *intersection_end = NULL;
-       struct bt_component_filter *trimmer = NULL;
-       struct bt_component_class_filter *trimmer_class = NULL;
-       struct bt_port_input *trimmer_input = NULL;
-       struct bt_port_output *trimmer_output = NULL;
+       const bt_component_filter *trimmer = NULL;
+       const bt_component_class_filter *trimmer_class = NULL;
+       const bt_port_input *trimmer_input = NULL;
+       const bt_port_output *trimmer_output = NULL;
 
        if (ctx->intersections &&
                bt_component_get_class_type(upstream_comp) ==
@@ -1636,7 +1647,7 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                range = (struct trace_range *) g_hash_table_lookup(
                        ctx->intersections, &port_id);
                if (range) {
-                       enum bt_value_status status;
+                       bt_value_status status;
 
                        intersection_begin = s_from_ns(
                                range->intersection_range_begin_ns);
@@ -1648,17 +1659,17 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                        }
 
                        insert_trimmer = true;
-                       trimmer_params = bt_private_value_map_create();
+                       trimmer_params = bt_value_map_create();
                        if (!trimmer_params) {
                                goto error;
                        }
 
-                       status = bt_private_value_map_insert_string_entry(
+                       status = bt_value_map_insert_string_entry(
                                trimmer_params, "begin", intersection_begin);
                        if (status != BT_VALUE_STATUS_OK) {
                                goto error;
                        }
-                       status = bt_private_value_map_insert_string_entry(
+                       status = bt_value_map_insert_string_entry(
                                trimmer_params,
                                "end", intersection_end);
                        if (status != BT_VALUE_STATUS_OK) {
@@ -1686,7 +1697,7 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
        port_count_fn = (input_port_count_func_t)
                bt_component_filter_get_input_port_count;
        port_by_index_fn = (borrow_input_port_by_index_func_t)
-               bt_component_filter_borrow_input_port_by_index;
+               bt_component_filter_borrow_input_port_by_index_const;
 
        if (!downstream_comp) {
                downstream_comp = g_hash_table_lookup(ctx->sink_components,
@@ -1694,7 +1705,7 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                port_count_fn = (input_port_count_func_t)
                        bt_component_sink_get_input_port_count;
                port_by_index_fn = (borrow_input_port_by_index_func_t)
-                       bt_component_sink_borrow_input_port_by_index;
+                       bt_component_sink_borrow_input_port_by_index_const;
        }
 
        if (!downstream_comp) {
@@ -1707,13 +1718,12 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
        }
 
        downstream_port_count = port_count_fn(downstream_comp);
-       BT_ASSERT(downstream_port_count >= 0);
 
        for (i = 0; i < downstream_port_count; i++) {
-               struct bt_port_input *in_downstream_port =
+               const bt_port_input *in_downstream_port =
                        port_by_index_fn(downstream_comp, i);
-               struct bt_port *downstream_port =
-                       bt_port_input_as_port(in_downstream_port);
+               const bt_port *downstream_port =
+                       bt_port_input_as_port_const(in_downstream_port);
                const char *upstream_port_name;
                const char *downstream_port_name;
 
@@ -1756,7 +1766,7 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                         * source and the trimmer.
                         */
                        char *trimmer_name = NULL;
-                       enum bt_graph_status graph_status;
+                       bt_graph_status graph_status;
 
                        ret = asprintf(&trimmer_name,
                                "stream-intersection-trimmer-%s",
@@ -1767,10 +1777,9 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                        ret = 0;
 
                        ctx->connect_ports = false;
-                       graph_status = bt_private_graph_add_filter_component(
+                       graph_status = bt_graph_add_filter_component(
                                ctx->graph, trimmer_class, trimmer_name,
-                               bt_private_value_as_value(trimmer_params),
-                               &trimmer);
+                               trimmer_params, &trimmer);
                        free(trimmer_name);
                        if (graph_status != BT_GRAPH_STATUS_OK) {
                                goto error;
@@ -1778,13 +1787,13 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                        BT_ASSERT(trimmer);
 
                        trimmer_input =
-                               bt_component_filter_borrow_input_port_by_index(
+                               bt_component_filter_borrow_input_port_by_index_const(
                                        trimmer, 0);
                        if (!trimmer_input) {
                                goto error;
                        }
                        trimmer_output =
-                               bt_component_filter_borrow_output_port_by_index(
+                               bt_component_filter_borrow_output_port_by_index_const(
                                        trimmer, 0);
                        if (!trimmer_output) {
                                goto error;
@@ -1796,14 +1805,14 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                         */
                        in_downstream_port = trimmer_input;
                        downstream_port =
-                               bt_port_input_as_port(in_downstream_port);
+                               bt_port_input_as_port_const(in_downstream_port);
                        downstream_port_name = bt_port_get_name(
                                downstream_port);
                        BT_ASSERT(downstream_port_name);
                }
 
                /* We have a winner! */
-               status = bt_private_graph_connect_ports(ctx->graph,
+               status = bt_graph_connect_ports(ctx->graph,
                        out_upstream_port, in_downstream_port, NULL);
                downstream_port = NULL;
                switch (status) {
@@ -1871,7 +1880,7 @@ int cmd_run_ctx_connect_upstream_port_to_downstream_component(
                         */
                        ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
                                ctx,
-                               bt_component_filter_as_component(trimmer),
+                               bt_component_filter_as_component_const(trimmer),
                                trimmer_output, cfg_conn);
                        if (ret) {
                                goto error;
@@ -1903,29 +1912,29 @@ error:
 end:
        free(intersection_begin);
        free(intersection_end);
-       BT_OBJECT_PUT_REF_AND_RESET(trimmer_params);
-       BT_OBJECT_PUT_REF_AND_RESET(trimmer_class);
-       BT_OBJECT_PUT_REF_AND_RESET(trimmer);
+       BT_VALUE_PUT_REF_AND_RESET(trimmer_params);
+       BT_COMPONENT_CLASS_FILTER_PUT_REF_AND_RESET(trimmer_class);
+       BT_COMPONENT_FILTER_PUT_REF_AND_RESET(trimmer);
        return ret;
 }
 
 static
 int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
-               struct bt_port_output *upstream_port)
+               const bt_port_output *upstream_port)
 {
        int ret = 0;
        const char *upstream_port_name;
        const char *upstream_comp_name;
-       struct bt_component *upstream_comp = NULL;
+       const bt_component *upstream_comp = NULL;
        size_t i;
 
        BT_ASSERT(ctx);
        BT_ASSERT(upstream_port);
        upstream_port_name = bt_port_get_name(
-               bt_port_output_as_port(upstream_port));
+               bt_port_output_as_port_const(upstream_port));
        BT_ASSERT(upstream_port_name);
-       upstream_comp = bt_port_borrow_component(
-               bt_port_output_as_port(upstream_port));
+       upstream_comp = bt_port_borrow_component_const(
+               bt_port_output_as_port_const(upstream_port));
        if (!upstream_comp) {
                BT_LOGW("Upstream port to connect is not part of a component: "
                        "port-addr=%p, port-name=\"%s\"",
@@ -1990,12 +1999,12 @@ end:
 
 static
 void graph_output_port_added_listener(struct cmd_run_ctx *ctx,
-               struct bt_port_output *out_port)
+               const bt_port_output *out_port)
 {
-       struct bt_component *comp;
-       struct bt_port *port = bt_port_output_as_port(out_port);
+       const bt_component *comp;
+       const bt_port *port = bt_port_output_as_port_const(out_port);
 
-       comp = bt_port_borrow_component(port);
+       comp = bt_port_borrow_component_const(port);
        BT_LOGI("Port added to a graph's component: comp-addr=%p, "
                "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
                comp, comp ? bt_component_get_name(comp) : "",
@@ -2027,16 +2036,16 @@ end:
 
 static
 void graph_source_output_port_added_listener(
-               struct bt_component_source *component,
-               struct bt_port_output *port, void *data)
+               const bt_component_source *component,
+               const bt_port_output *port, void *data)
 {
        graph_output_port_added_listener(data, port);
 }
 
 static
 void graph_filter_output_port_added_listener(
-               struct bt_component_filter *component,
-               struct bt_port_output *port, void *data)
+               const bt_component_filter *component,
+               const bt_port_output *port, void *data)
 {
        graph_output_port_added_listener(data, port);
 }
@@ -2068,7 +2077,7 @@ void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
                ctx->intersections = NULL;
        }
 
-       BT_OBJECT_PUT_REF_AND_RESET(ctx->graph);
+       BT_GRAPH_PUT_REF_AND_RESET(ctx->graph);
        the_graph = NULL;
        ctx->cfg = NULL;
 }
@@ -2077,24 +2086,24 @@ static
 int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
 {
        int ret = 0;
-       enum bt_graph_status status;
+       bt_graph_status status;
 
        ctx->cfg = cfg;
        ctx->connect_ports = false;
        ctx->src_components = g_hash_table_new_full(g_direct_hash,
-               g_direct_equal, NULL, bt_object_put_ref);
+               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
        if (!ctx->src_components) {
                goto error;
        }
 
        ctx->flt_components = g_hash_table_new_full(g_direct_hash,
-               g_direct_equal, NULL, bt_object_put_ref);
+               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
        if (!ctx->flt_components) {
                goto error;
        }
 
        ctx->sink_components = g_hash_table_new_full(g_direct_hash,
-               g_direct_equal, NULL, bt_object_put_ref);
+               g_direct_equal, NULL, (GDestroyNotify) bt_object_put_ref);
        if (!ctx->sink_components) {
                goto error;
        }
@@ -2108,13 +2117,13 @@ int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
                }
        }
 
-       ctx->graph = bt_private_graph_create();
+       ctx->graph = bt_graph_create();
        if (!ctx->graph) {
                goto error;
        }
 
        the_graph = ctx->graph;
-       status = bt_private_graph_add_source_component_output_port_added_listener(
+       status = bt_graph_add_source_component_output_port_added_listener(
                ctx->graph, graph_source_output_port_added_listener, NULL, ctx,
                NULL);
        if (status != BT_GRAPH_STATUS_OK) {
@@ -2122,7 +2131,7 @@ int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
                goto error;
        }
 
-       status = bt_private_graph_add_filter_component_output_port_added_listener(
+       status = bt_graph_add_filter_component_output_port_added_listener(
                ctx->graph, graph_filter_output_port_added_listener, NULL, ctx,
                NULL);
        if (status != BT_GRAPH_STATUS_OK) {
@@ -2143,58 +2152,29 @@ end:
 static
 int set_stream_intersections(struct cmd_run_ctx *ctx,
                struct bt_config_component *cfg_comp,
-               struct bt_component_class_source *src_comp_cls)
+               const bt_component_class_source *src_comp_cls)
 {
        int ret = 0;
        uint64_t trace_idx;
        int64_t trace_count;
-       enum bt_value_status value_status;
        const char *path = NULL;
-       struct bt_value *component_path_value = NULL;
-       struct bt_private_value *query_params = NULL;
-       struct bt_value *query_result = NULL;
-       struct bt_value *trace_info = NULL;
-       struct bt_value *intersection_range = NULL;
-       struct bt_value *intersection_begin = NULL;
-       struct bt_value *intersection_end = NULL;
-       struct bt_value *stream_path_value = NULL;
-       struct bt_value *stream_paths = NULL;
-       struct bt_value *stream_infos = NULL;
-       struct bt_value *stream_info = NULL;
+       const bt_value *query_result = NULL;
+       const bt_value *trace_info = NULL;
+       const bt_value *intersection_range = NULL;
+       const bt_value *intersection_begin = NULL;
+       const bt_value *intersection_end = NULL;
+       const bt_value *stream_path_value = NULL;
+       const bt_value *stream_paths = NULL;
+       const bt_value *stream_infos = NULL;
+       const bt_value *stream_info = NULL;
        struct port_id *port_id = NULL;
        struct trace_range *trace_range = NULL;
        const char *fail_reason = NULL;
-       struct bt_component_class *comp_cls =
-               bt_component_class_source_as_component_class(src_comp_cls);
-
-       component_path_value = bt_value_map_borrow_entry_value(
-               bt_private_value_as_value(cfg_comp->params),
-               "path");
-       if (component_path_value && !bt_value_is_string(component_path_value)) {
-               BT_LOGD("Cannot get path parameter: component-name=%s",
-                       cfg_comp->instance_name->str);
-               ret = -1;
-               goto error;
-       }
-
-       path = bt_value_string_get(component_path_value);
-       query_params = bt_private_value_map_create();
-       if (!query_params) {
-               BT_LOGE_STR("Cannot create query parameters.");
-               ret = -1;
-               goto error;
-       }
-
-       value_status = bt_private_value_map_insert_entry(query_params, "path",
-               component_path_value);
-       if (value_status != BT_VALUE_STATUS_OK) {
-               BT_LOGE_STR("Cannot insert path parameter in query parameter map.");
-               ret = -1;
-               goto error;
-       }
+       const bt_component_class *comp_cls =
+               bt_component_class_source_as_component_class_const(src_comp_cls);
 
        ret = query(comp_cls, "trace-info",
-               bt_private_value_as_value(query_params), &query_result,
+               cfg_comp->params, &query_result,
                &fail_reason);
        if (ret) {
                BT_LOGD("Component class does not support the `trace-info` query: %s: "
@@ -2225,7 +2205,7 @@ int set_stream_intersections(struct cmd_run_ctx *ctx,
                uint64_t stream_idx;
                int64_t stream_count;
 
-               trace_info = bt_value_array_borrow_element_by_index(
+               trace_info = bt_value_array_borrow_element_by_index_const(
                        query_result, trace_idx);
                if (!trace_info || !bt_value_is_map(trace_info)) {
                        ret = -1;
@@ -2233,32 +2213,32 @@ int set_stream_intersections(struct cmd_run_ctx *ctx,
                        goto error;
                }
 
-               intersection_range = bt_value_map_borrow_entry_value(trace_info,
-                       "intersection-range-ns");
+               intersection_range = bt_value_map_borrow_entry_value_const(
+                       trace_info, "intersection-range-ns");
                if (!intersection_range) {
                        ret = -1;
                        BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
                        goto error;
                }
 
-               intersection_begin = bt_value_map_borrow_entry_value(
-                       intersection_range, "begin");
+               intersection_begin = bt_value_map_borrow_entry_value_const(intersection_range,
+                                                                          "begin");
                if (!intersection_begin) {
                        ret = -1;
                        BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
                        goto error;
                }
 
-               intersection_end = bt_value_map_borrow_entry_value(
-                       intersection_range, "end");
+               intersection_end = bt_value_map_borrow_entry_value_const(intersection_range,
+                                                                        "end");
                if (!intersection_end) {
                        ret = -1;
                        BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
                        goto error;
                }
 
-               begin = bt_value_integer_get(intersection_begin);
-               end = bt_value_integer_get(intersection_end);
+               begin = bt_value_signed_integer_get(intersection_begin);
+               end = bt_value_signed_integer_get(intersection_end);
 
                if (begin < 0 || end < 0 || end < begin) {
                        BT_LOGW("Invalid trace stream intersection values: "
@@ -2269,8 +2249,8 @@ int set_stream_intersections(struct cmd_run_ctx *ctx,
                        goto error;
                }
 
-               stream_infos = bt_value_map_borrow_entry_value(trace_info,
-                       "streams");
+               stream_infos = bt_value_map_borrow_entry_value_const(trace_info,
+                                                                    "streams");
                if (!stream_infos || !bt_value_is_array(stream_infos)) {
                        ret = -1;
                        BT_LOGD_STR("Cannot retrieve stream information from trace in query result.");
@@ -2320,7 +2300,7 @@ int set_stream_intersections(struct cmd_run_ctx *ctx,
                        trace_range->intersection_range_begin_ns = begin;
                        trace_range->intersection_range_end_ns = end;
 
-                       stream_info = bt_value_array_borrow_element_by_index(
+                       stream_info = bt_value_array_borrow_element_by_index_const(
                                stream_infos, stream_idx);
                        if (!stream_info || !bt_value_is_map(stream_info)) {
                                ret = -1;
@@ -2328,8 +2308,8 @@ int set_stream_intersections(struct cmd_run_ctx *ctx,
                                goto error;
                        }
 
-                       stream_paths = bt_value_map_borrow_entry_value(
-                               stream_info, "paths");
+                       stream_paths = bt_value_map_borrow_entry_value_const(stream_info,
+                                                                            "paths");
                        if (!stream_paths || !bt_value_is_array(stream_paths)) {
                                ret = -1;
                                BT_LOGD_STR("Cannot retrieve stream paths from trace in query result.");
@@ -2337,7 +2317,7 @@ int set_stream_intersections(struct cmd_run_ctx *ctx,
                        }
 
                        stream_path_value =
-                               bt_value_array_borrow_element_by_index(
+                               bt_value_array_borrow_element_by_index_const(
                                        stream_paths, 0);
                        if (!stream_path_value ||
                                !bt_value_is_string(stream_path_value)) {
@@ -2372,8 +2352,7 @@ error:
                path ? path : "(unknown)",
                bt_common_color_reset());
 end:
-       bt_object_put_ref(query_params);
-       bt_object_put_ref(query_result);
+       bt_value_put_ref(query_result);
        g_free(port_id);
        g_free(trace_range);
        return ret;
@@ -2384,8 +2363,8 @@ int cmd_run_ctx_create_components_from_config_components(
                struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
 {
        size_t i;
-       void *comp_cls = NULL;
-       void *comp = NULL;
+       const void *comp_cls = NULL;
+       const void *comp = NULL;
        int ret = 0;
 
        for (i = 0; i < cfg_components->len; i++) {
@@ -2433,21 +2412,21 @@ int cmd_run_ctx_create_components_from_config_components(
 
                switch (cfg_comp->type) {
                case BT_COMPONENT_CLASS_TYPE_SOURCE:
-                       ret = bt_private_graph_add_source_component(ctx->graph,
+                       ret = bt_graph_add_source_component(ctx->graph,
                                comp_cls, cfg_comp->instance_name->str,
-                               bt_private_value_as_value(cfg_comp->params),
+                               cfg_comp->params,
                                (void *) &comp);
                        break;
                case BT_COMPONENT_CLASS_TYPE_FILTER:
-                       ret = bt_private_graph_add_filter_component(ctx->graph,
+                       ret = bt_graph_add_filter_component(ctx->graph,
                                comp_cls, cfg_comp->instance_name->str,
-                               bt_private_value_as_value(cfg_comp->params),
+                               cfg_comp->params,
                                (void *) &comp);
                        break;
                case BT_COMPONENT_CLASS_TYPE_SINK:
-                       ret = bt_private_graph_add_sink_component(ctx->graph,
+                       ret = bt_graph_add_sink_component(ctx->graph,
                                comp_cls, cfg_comp->instance_name->str,
-                               bt_private_value_as_value(cfg_comp->params),
+                               cfg_comp->params,
                                (void *) &comp);
                        break;
                default:
@@ -2485,15 +2464,15 @@ int cmd_run_ctx_create_components_from_config_components(
                switch (cfg_comp->type) {
                case BT_COMPONENT_CLASS_TYPE_SOURCE:
                        g_hash_table_insert(ctx->src_components,
-                               GUINT_TO_POINTER(quark), comp);
+                               GUINT_TO_POINTER(quark), (void *) comp);
                        break;
                case BT_COMPONENT_CLASS_TYPE_FILTER:
                        g_hash_table_insert(ctx->flt_components,
-                               GUINT_TO_POINTER(quark), comp);
+                               GUINT_TO_POINTER(quark), (void *) comp);
                        break;
                case BT_COMPONENT_CLASS_TYPE_SINK:
                        g_hash_table_insert(ctx->sink_components,
-                               GUINT_TO_POINTER(quark), comp);
+                               GUINT_TO_POINTER(quark), (void *) comp);
                        break;
                default:
                        abort();
@@ -2552,9 +2531,9 @@ end:
        return ret;
 }
 
-typedef uint64_t (*output_port_count_func_t)(void *);
-typedef struct bt_port_output *(*borrow_output_port_by_index_func_t)(
-       void *, uint64_t);
+typedef uint64_t (*output_port_count_func_t)(const void *);
+typedef const bt_port_output *(*borrow_output_port_by_index_func_t)(
+       const void *, uint64_t);
 
 static
 int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
@@ -2566,10 +2545,9 @@ int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
        uint64_t i;
 
        count = port_count_fn(comp);
-       BT_ASSERT(count >= 0);
 
        for (i = 0; i < count; i++) {
-               struct bt_port_output *upstream_port = port_by_index_fn(comp, i);
+               const bt_port_output *upstream_port = port_by_index_fn(comp, i);
 
                BT_ASSERT(upstream_port);
                ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
@@ -2597,7 +2575,7 @@ int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
                        (output_port_count_func_t)
                                bt_component_source_get_output_port_count,
                        (borrow_output_port_by_index_func_t)
-                               bt_component_source_borrow_output_port_by_index);
+                               bt_component_source_borrow_output_port_by_index_const);
                if (ret) {
                        goto end;
                }
@@ -2610,7 +2588,7 @@ int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
                        (output_port_count_func_t)
                                bt_component_filter_get_output_port_count,
                        (borrow_output_port_by_index_func_t)
-                               bt_component_filter_borrow_output_port_by_index);
+                               bt_component_filter_borrow_output_port_by_index_const);
                if (ret) {
                        goto end;
                }
@@ -2621,7 +2599,7 @@ end:
 }
 
 static inline
-const char *bt_graph_status_str(enum bt_graph_status status)
+const char *bt_graph_status_str(bt_graph_status status)
 {
        switch (status) {
        case BT_GRAPH_STATUS_OK:
@@ -2695,7 +2673,7 @@ int cmd_run(struct bt_config *cfg)
 
        /* Run the graph */
        while (true) {
-               enum bt_graph_status graph_status = bt_private_graph_run(ctx.graph);
+               bt_graph_status graph_status = bt_graph_run(ctx.graph);
 
                /*
                 * Reset console in case something messed with console
@@ -2704,7 +2682,7 @@ int cmd_run(struct bt_config *cfg)
                printf("%s", bt_common_color_reset());
                fflush(stdout);
                fprintf(stderr, "%s", bt_common_color_reset());
-               BT_LOGV("bt_private_graph_run() returned: status=%s",
+               BT_LOGV("bt_graph_run() returned: status=%s",
                        bt_graph_status_str(graph_status));
 
                switch (graph_status) {
@@ -2714,8 +2692,7 @@ int cmd_run(struct bt_config *cfg)
                        BT_LOGI_STR("Graph was canceled by user.");
                        goto error;
                case BT_GRAPH_STATUS_AGAIN:
-                       if (bt_graph_is_canceled(
-                                       bt_private_graph_as_graph(ctx.graph))) {
+                       if (bt_graph_is_canceled(ctx.graph)) {
                                BT_LOGI_STR("Graph was canceled by user.");
                                goto error;
                        }
@@ -2726,8 +2703,7 @@ int cmd_run(struct bt_config *cfg)
                                        cfg->cmd_data.run.retry_duration_us);
 
                                if (usleep(cfg->cmd_data.run.retry_duration_us)) {
-                                       if (bt_graph_is_canceled(
-                                                       bt_private_graph_as_graph(ctx.graph))) {
+                                       if (bt_graph_is_canceled(ctx.graph)) {
                                                BT_LOGI_STR("Graph was canceled by user.");
                                                goto error;
                                        }
@@ -2949,8 +2925,7 @@ int main(int argc, const char **argv)
        print_cfg(cfg);
 
        if (cfg->command_needs_plugins) {
-               ret = load_all_plugins(
-                       bt_private_value_as_value(cfg->plugin_paths));
+               ret = load_all_plugins(cfg->plugin_paths);
                if (ret) {
                        BT_LOGE("Failed to load plugins: ret=%d", ret);
                        retcode = 1;
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