lib: strictly type function return status enumerations
[babeltrace.git] / src / plugins / utils / muxer / muxer.c
index 90d692f2742d66fabedf87a70449ae990ed0387d..d47ad6e08667dce1000fc8350543f3291abc30ea 100644 (file)
  * SOFTWARE.
  */
 
+#define BT_COMP_LOG_SELF_COMP (muxer_comp->self_comp)
+#define BT_LOG_OUTPUT_LEVEL (muxer_comp->log_level)
 #define BT_LOG_TAG "PLUGIN/FLT.UTILS.MUXER"
-#include "logging.h"
+#include "plugins/comp-logging.h"
 
 #include "common/macros.h"
 #include "compat/uuid.h"
 #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME       "assume-absolute-clock-classes"
 
 struct muxer_comp {
-       /* Weak ref */
-       bt_self_component_filter *self_comp;
+       /* Weak refs */
+       bt_self_component_filter *self_comp_flt;
+       bt_self_component *self_comp;
 
        unsigned int next_port_num;
        size_t available_input_ports;
        bool initializing_muxer_msg_iter;
        bool assume_absolute_clock_classes;
+       bt_logging_level log_level;
 };
 
 struct muxer_upstream_msg_iter {
+       struct muxer_comp *muxer_comp;
+
        /* Owned by this, NULL if ended */
        bt_self_component_port_input_message_iterator *msg_iter;
 
@@ -65,6 +71,8 @@ enum muxer_msg_iter_clock_class_expectation {
 };
 
 struct muxer_msg_iter {
+       struct muxer_comp *muxer_comp;
+
        /*
         * Array of struct muxer_upstream_msg_iter * (owned by this).
         *
@@ -112,11 +120,14 @@ static
 void destroy_muxer_upstream_msg_iter(
                struct muxer_upstream_msg_iter *muxer_upstream_msg_iter)
 {
+       struct muxer_comp *muxer_comp;
+
        if (!muxer_upstream_msg_iter) {
                return;
        }
 
-       BT_LOGD("Destroying muxer's upstream message iterator wrapper: "
+       muxer_comp = muxer_upstream_msg_iter->muxer_comp;
+       BT_COMP_LOGD("Destroying muxer's upstream message iterator wrapper: "
                "addr=%p, msg-iter-addr=%p, queue-len=%u",
                muxer_upstream_msg_iter,
                muxer_upstream_msg_iter->msg_iter,
@@ -139,23 +150,25 @@ int muxer_msg_iter_add_upstream_msg_iter(struct muxer_msg_iter *muxer_msg_iter,
        int ret = 0;
        struct muxer_upstream_msg_iter *muxer_upstream_msg_iter =
                g_new0(struct muxer_upstream_msg_iter, 1);
+       struct muxer_comp *muxer_comp = muxer_msg_iter->muxer_comp;
 
        if (!muxer_upstream_msg_iter) {
-               BT_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper.");
+               BT_COMP_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper.");
                goto error;
        }
 
+       muxer_upstream_msg_iter->muxer_comp = muxer_comp;
        muxer_upstream_msg_iter->msg_iter = self_msg_iter;
        bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter->msg_iter);
        muxer_upstream_msg_iter->msgs = g_queue_new();
        if (!muxer_upstream_msg_iter->msgs) {
-               BT_LOGE_STR("Failed to allocate a GQueue.");
+               BT_COMP_LOGE_STR("Failed to allocate a GQueue.");
                goto error;
        }
 
        g_ptr_array_add(muxer_msg_iter->active_muxer_upstream_msg_iters,
                muxer_upstream_msg_iter);
-       BT_LOGD("Added muxer's upstream message iterator wrapper: "
+       BT_COMP_LOGD("Added muxer's upstream message iterator wrapper: "
                "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p",
                muxer_upstream_msg_iter, muxer_msg_iter,
                self_msg_iter);
@@ -171,36 +184,37 @@ end:
 }
 
 static
-bt_self_component_status add_available_input_port(
+bt_self_component_add_port_status add_available_input_port(
                bt_self_component_filter *self_comp)
 {
        struct muxer_comp *muxer_comp = bt_self_component_get_data(
                bt_self_component_filter_as_self_component(self_comp));
-       bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
+       bt_self_component_add_port_status status =
+               BT_SELF_COMPONENT_ADD_PORT_STATUS_OK;
        GString *port_name = NULL;
 
        BT_ASSERT(muxer_comp);
        port_name = g_string_new("in");
        if (!port_name) {
-               BT_LOGE_STR("Failed to allocate a GString.");
-               status = BT_SELF_COMPONENT_STATUS_NOMEM;
+               BT_COMP_LOGE_STR("Failed to allocate a GString.");
+               status = BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR;
                goto end;
        }
 
        g_string_append_printf(port_name, "%u", muxer_comp->next_port_num);
        status = bt_self_component_filter_add_input_port(
                self_comp, port_name->str, NULL, NULL);
-       if (status != BT_SELF_COMPONENT_STATUS_OK) {
-               BT_LOGE("Cannot add input port to muxer component: "
+       if (status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) {
+               BT_COMP_LOGE("Cannot add input port to muxer component: "
                        "port-name=\"%s\", comp-addr=%p, status=%s",
                        port_name->str, self_comp,
-                       bt_self_component_status_string(status));
+                       bt_common_func_status_string(status));
                goto end;
        }
 
        muxer_comp->available_input_ports++;
        muxer_comp->next_port_num++;
-       BT_LOGI("Added one input port to muxer component: "
+       BT_COMP_LOGI("Added one input port to muxer component: "
                "port-name=\"%s\", comp-addr=%p",
                port_name->str, self_comp);
 
@@ -213,7 +227,7 @@ end:
 }
 
 static
-bt_self_component_status create_output_port(
+bt_self_component_add_port_status create_output_port(
                bt_self_component_filter *self_comp)
 {
        return bt_self_component_filter_add_output_port(
@@ -231,21 +245,21 @@ void destroy_muxer_comp(struct muxer_comp *muxer_comp)
 }
 
 static
-bt_value *get_default_params(void)
+bt_value *get_default_params(struct muxer_comp *muxer_comp)
 {
        bt_value *params;
        int ret;
 
        params = bt_value_map_create();
        if (!params) {
-               BT_LOGE_STR("Cannot create a map value object.");
+               BT_COMP_LOGE_STR("Cannot create a map value object.");
                goto error;
        }
 
        ret = bt_value_map_insert_bool_entry(params,
                ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false);
        if (ret) {
-               BT_LOGE_STR("Cannot add boolean value to map value object.");
+               BT_COMP_LOGE_STR("Cannot add boolean value to map value object.");
                goto error;
        }
 
@@ -268,16 +282,16 @@ int configure_muxer_comp(struct muxer_comp *muxer_comp,
        int ret = 0;
        bt_bool bool_val;
 
-       default_params = get_default_params();
+       default_params = get_default_params(muxer_comp);
        if (!default_params) {
-               BT_LOGE("Cannot get default parameters: "
+               BT_COMP_LOGE("Cannot get default parameters: "
                        "muxer-comp-addr=%p", muxer_comp);
                goto error;
        }
 
        ret = bt_value_map_extend(default_params, params, &real_params);
        if (ret) {
-               BT_LOGE("Cannot extend default parameters map value: "
+               BT_COMP_LOGE("Cannot extend default parameters map value: "
                        "muxer-comp-addr=%p, def-params-addr=%p, "
                        "params-addr=%p", muxer_comp, default_params,
                        params);
@@ -288,7 +302,7 @@ int configure_muxer_comp(struct muxer_comp *muxer_comp,
                                                                        ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME);
        if (assume_absolute_clock_classes &&
                        !bt_value_is_bool(assume_absolute_clock_classes)) {
-               BT_LOGE("Expecting a boolean value for the `%s` parameter: "
+               BT_COMP_LOGE("Expecting a boolean value for the `%s` parameter: "
                        "muxer-comp-addr=%p, value-type=%s",
                        ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp,
                        bt_common_value_type_string(
@@ -298,7 +312,7 @@ int configure_muxer_comp(struct muxer_comp *muxer_comp,
 
        bool_val = bt_value_bool_get(assume_absolute_clock_classes);
        muxer_comp->assume_absolute_clock_classes = (bool) bool_val;
-       BT_LOGI("Configured muxer component: muxer-comp-addr=%p, "
+       BT_COMP_LOGI("Configured muxer component: muxer-comp-addr=%p, "
                "assume-absolute-clock-classes=%d",
                muxer_comp, muxer_comp->assume_absolute_clock_classes);
        goto end;
@@ -313,53 +327,75 @@ end:
 }
 
 BT_HIDDEN
-bt_self_component_status muxer_init(
-               bt_self_component_filter *self_comp,
+bt_component_class_init_method_status muxer_init(
+               bt_self_component_filter *self_comp_flt,
                const bt_value *params, void *init_data)
 {
        int ret;
-       bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
+       bt_component_class_init_method_status status =
+               BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK;
+       bt_self_component_add_port_status add_port_status;
+       bt_self_component *self_comp =
+               bt_self_component_filter_as_self_component(self_comp_flt);
        struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1);
+       bt_logging_level log_level = bt_component_get_logging_level(
+               bt_self_component_as_component(self_comp));
 
-       BT_LOGI("Initializing muxer component: "
+       BT_COMP_LOG_CUR_LVL(BT_LOG_INFO, log_level, self_comp,
+               "Initializing muxer component: "
                "comp-addr=%p, params-addr=%p", self_comp, params);
 
        if (!muxer_comp) {
-               BT_LOGE_STR("Failed to allocate one muxer component.");
+               BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp,
+                       "Failed to allocate one muxer component.");
                goto error;
        }
 
+       muxer_comp->log_level = log_level;
+       muxer_comp->self_comp = self_comp;
+       muxer_comp->self_comp_flt = self_comp_flt;
        ret = configure_muxer_comp(muxer_comp, params);
        if (ret) {
-               BT_LOGE("Cannot configure muxer component: "
+               BT_COMP_LOGE("Cannot configure muxer component: "
                        "muxer-comp-addr=%p, params-addr=%p",
                        muxer_comp, params);
                goto error;
        }
 
-       muxer_comp->self_comp = self_comp;
-       bt_self_component_set_data(
-               bt_self_component_filter_as_self_component(self_comp),
-               muxer_comp);
-       status = add_available_input_port(self_comp);
-       if (status != BT_SELF_COMPONENT_STATUS_OK) {
-               BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
+       bt_self_component_set_data(self_comp, muxer_comp);
+       add_port_status = add_available_input_port(self_comp_flt);
+       if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) {
+               BT_COMP_LOGE("Cannot ensure that at least one muxer component's input port is available: "
                        "muxer-comp-addr=%p, status=%s",
                        muxer_comp,
-                       bt_self_component_status_string(status));
+                       bt_common_func_status_string(add_port_status));
+               if (add_port_status ==
+                               BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR) {
+                       status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR;
+               } else {
+                       status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
+               }
+
                goto error;
        }
 
-       status = create_output_port(self_comp);
-       if (status) {
-               BT_LOGE("Cannot create muxer component's output port: "
+       add_port_status = create_output_port(self_comp_flt);
+       if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) {
+               BT_COMP_LOGE("Cannot create muxer component's output port: "
                        "muxer-comp-addr=%p, status=%s",
                        muxer_comp,
-                       bt_self_component_status_string(status));
+                       bt_common_func_status_string(add_port_status));
+               if (add_port_status ==
+                               BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR) {
+                       status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR;
+               } else {
+                       status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
+               }
+
                goto error;
        }
 
-       BT_LOGI("Initialized muxer component: "
+       BT_COMP_LOGI("Initialized muxer component: "
                "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
                self_comp, params, muxer_comp);
 
@@ -367,12 +403,10 @@ bt_self_component_status muxer_init(
 
 error:
        destroy_muxer_comp(muxer_comp);
-       bt_self_component_set_data(
-               bt_self_component_filter_as_self_component(self_comp),
-               NULL);
+       bt_self_component_set_data(self_comp, NULL);
 
-       if (status == BT_SELF_COMPONENT_STATUS_OK) {
-               status = BT_SELF_COMPONENT_STATUS_ERROR;
+       if (status == BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK) {
+               status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
        }
 
 end:
@@ -385,14 +419,15 @@ void muxer_finalize(bt_self_component_filter *self_comp)
        struct muxer_comp *muxer_comp = bt_self_component_get_data(
                bt_self_component_filter_as_self_component(self_comp));
 
-       BT_LOGI("Finalizing muxer component: comp-addr=%p",
+       BT_COMP_LOGI("Finalizing muxer component: comp-addr=%p",
                self_comp);
        destroy_muxer_comp(muxer_comp);
 }
 
 static
 bt_self_component_port_input_message_iterator *
-create_msg_iter_on_input_port(bt_self_component_port_input *self_port)
+create_msg_iter_on_input_port(struct muxer_comp *muxer_comp,
+               bt_self_component_port_input *self_port)
 {
        const bt_port *port = bt_self_component_port_as_port(
                bt_self_component_port_input_as_self_component_port(
@@ -409,13 +444,13 @@ create_msg_iter_on_input_port(bt_self_component_port_input *self_port)
        msg_iter = bt_self_component_port_input_message_iterator_create(
                self_port);
        if (!msg_iter) {
-               BT_LOGE("Cannot create upstream message iterator on input port: "
+               BT_COMP_LOGE("Cannot create upstream message iterator on input port: "
                        "port-addr=%p, port-name=\"%s\"",
                        port, bt_port_get_name(port));
                goto end;
        }
 
-       BT_LOGI("Created upstream message iterator on input port: "
+       BT_COMP_LOGI("Created upstream message iterator on input port: "
                "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p",
                port, bt_port_get_name(port), msg_iter);
 
@@ -424,32 +459,35 @@ end:
 }
 
 static
-bt_self_message_iterator_status muxer_upstream_msg_iter_next(
+bt_component_class_message_iterator_next_method_status muxer_upstream_msg_iter_next(
                struct muxer_upstream_msg_iter *muxer_upstream_msg_iter,
                bool *is_ended)
 {
-       bt_self_message_iterator_status status;
-       bt_message_iterator_status input_port_iter_status;
+       struct muxer_comp *muxer_comp =
+               muxer_upstream_msg_iter->muxer_comp;
+       bt_component_class_message_iterator_next_method_status status;
+       bt_message_iterator_next_status input_port_iter_status;
        bt_message_array_const msgs;
        uint64_t i;
        uint64_t count;
 
-       BT_LOGD("Calling upstream message iterator's \"next\" method: "
+       BT_COMP_LOGD("Calling upstream message iterator's \"next\" method: "
                "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
                muxer_upstream_msg_iter,
                muxer_upstream_msg_iter->msg_iter);
        input_port_iter_status = bt_self_component_port_input_message_iterator_next(
                muxer_upstream_msg_iter->msg_iter, &msgs, &count);
-       BT_LOGD("Upstream message iterator's \"next\" method returned: "
-               "status=%s", bt_message_iterator_status_string(input_port_iter_status));
+       BT_COMP_LOGD("Upstream message iterator's \"next\" method returned: "
+               "status=%s",
+               bt_common_func_status_string(input_port_iter_status));
 
        switch (input_port_iter_status) {
-       case BT_MESSAGE_ITERATOR_STATUS_OK:
+       case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK:
                /*
                 * Message iterator's current message is
                 * valid: it must be considered for muxing operations.
                 */
-               BT_LOGD_STR("Validated upstream message iterator wrapper.");
+               BT_COMP_LOGD_STR("Validated upstream message iterator wrapper.");
                BT_ASSERT(count > 0);
 
                /* Move messages to our queue */
@@ -462,30 +500,30 @@ bt_self_message_iterator_status muxer_upstream_msg_iter_next(
                        g_queue_push_tail(muxer_upstream_msg_iter->msgs,
                                (void *) msgs[i]);
                }
-               status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
                break;
-       case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
+       case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN:
                /*
                 * Message iterator's current message is not
                 * valid anymore. Return
-                * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately.
+                * BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN immediately.
                 */
-               status = BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN;
+               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_AGAIN;
                break;
-       case BT_MESSAGE_ITERATOR_STATUS_END:    /* Fall-through. */
+       case BT_MESSAGE_ITERATOR_NEXT_STATUS_END:       /* Fall-through. */
                /*
                 * Message iterator reached the end: release it. It
                 * won't be considered again to find the youngest
                 * message.
                 */
                *is_ended = true;
-               status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
                break;
        default:
                /* Error or unsupported status code */
-               BT_LOGE("Error or unsupported status code: "
+               BT_COMP_LOGE("Error or unsupported status code: "
                        "status-code=%d", input_port_iter_status);
-               status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
+               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
                break;
        }
 
@@ -506,7 +544,7 @@ int get_msg_ts_ns(struct muxer_comp *muxer_comp,
 
        BT_ASSERT(msg);
        BT_ASSERT(ts_ns);
-       BT_LOGD("Getting message's timestamp: "
+       BT_COMP_LOGD("Getting message's timestamp: "
                "muxer-msg-iter-addr=%p, msg-addr=%p, "
                "last-returned-ts=%" PRId64,
                muxer_msg_iter, msg, last_returned_ts_ns);
@@ -610,14 +648,14 @@ int get_msg_ts_ns(struct muxer_comp *muxer_comp,
                break;
        default:
                /* All the other messages have a higher priority */
-               BT_LOGD_STR("Message has no timestamp: using the last returned timestamp.");
+               BT_COMP_LOGD_STR("Message has no timestamp: using the last returned timestamp.");
                *ts_ns = last_returned_ts_ns;
                goto end;
        }
 
        ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, ts_ns);
        if (ret) {
-               BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
+               BT_COMP_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
                        "clock-snapshot-addr=%p", clock_snapshot);
                goto error;
        }
@@ -625,7 +663,7 @@ int get_msg_ts_ns(struct muxer_comp *muxer_comp,
        goto end;
 
 no_clock_snapshot:
-       BT_LOGD_STR("Message's default clock snapshot is missing: "
+       BT_COMP_LOGD_STR("Message's default clock snapshot is missing: "
                "using the last returned timestamp.");
        *ts_ns = last_returned_ts_ns;
        goto end;
@@ -635,7 +673,7 @@ error:
 
 end:
        if (ret == 0) {
-               BT_LOGD("Found message's timestamp: "
+               BT_COMP_LOGD("Found message's timestamp: "
                        "muxer-msg-iter-addr=%p, msg-addr=%p, "
                        "last-returned-ts=%" PRId64 ", ts=%" PRId64,
                        muxer_msg_iter, msg, last_returned_ts_ns,
@@ -696,7 +734,7 @@ int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter,
                switch (muxer_msg_iter->clock_class_expectation) {
                case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE:
                        if (!bt_clock_class_origin_is_unix_epoch(clock_class)) {
-                               BT_LOGE("Expecting an absolute clock class, "
+                               BT_COMP_LOGE("Expecting an absolute clock class, "
                                        "but got a non-absolute one: "
                                        "clock-class-addr=%p, clock-class-name=\"%s\"",
                                        clock_class, cc_name);
@@ -705,7 +743,7 @@ int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter,
                        break;
                case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID:
                        if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
-                               BT_LOGE("Expecting a non-absolute clock class with no UUID, "
+                               BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, "
                                        "but got an absolute one: "
                                        "clock-class-addr=%p, clock-class-name=\"%s\"",
                                        clock_class, cc_name);
@@ -713,7 +751,7 @@ int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter,
                        }
 
                        if (cc_uuid) {
-                               BT_LOGE("Expecting a non-absolute clock class with no UUID, "
+                               BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, "
                                        "but got one with a UUID: "
                                        "clock-class-addr=%p, clock-class-name=\"%s\", "
                                        "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
@@ -739,7 +777,7 @@ int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter,
                        break;
                case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID:
                        if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
-                               BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
+                               BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
                                        "but got an absolute one: "
                                        "clock-class-addr=%p, clock-class-name=\"%s\"",
                                        clock_class, cc_name);
@@ -747,7 +785,7 @@ int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter,
                        }
 
                        if (!cc_uuid) {
-                               BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
+                               BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
                                        "but got one with no UUID: "
                                        "clock-class-addr=%p, clock-class-name=\"%s\"",
                                        clock_class, cc_name);
@@ -756,7 +794,7 @@ int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter,
 
                        if (memcmp(muxer_msg_iter->expected_clock_class_uuid,
                                        cc_uuid, BABELTRACE_UUID_LEN) != 0) {
-                               BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
+                               BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
                                        "but got one with different UUID: "
                                        "clock-class-addr=%p, clock-class-name=\"%s\", "
                                        "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
@@ -798,13 +836,13 @@ int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter,
                        }
                        break;
                case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE:
-                       BT_LOGE("Expecting no clock class, but got one: "
+                       BT_COMP_LOGE("Expecting no clock class, but got one: "
                                "clock-class-addr=%p, clock-class-name=\"%s\"",
                                clock_class, cc_name);
                        goto error;
                default:
                        /* Unexpected */
-                       BT_LOGF("Unexpected clock class expectation: "
+                       BT_COMP_LOGF("Unexpected clock class expectation: "
                                "expectation-code=%d",
                                muxer_msg_iter->clock_class_expectation);
                        abort();
@@ -837,7 +875,7 @@ int validate_new_stream_clock_class(struct muxer_msg_iter *muxer_msg_iter,
                        muxer_msg_iter->clock_class_expectation =
                                MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE;
                } else {
-                       BT_LOGE("Expecting stream class with a default clock class: "
+                       BT_COMP_LOGE("Expecting stream class with a default clock class: "
                                "stream-class-addr=%p, stream-class-name=\"%s\", "
                                "stream-class-id=%" PRIu64,
                                stream_class, bt_stream_class_get_name(stream_class),
@@ -871,7 +909,7 @@ end:
  * the youngest, and sets *ts_ns to its time.
  */
 static
-bt_self_message_iterator_status
+bt_component_class_message_iterator_next_method_status
 muxer_msg_iter_youngest_upstream_msg_iter(
                struct muxer_comp *muxer_comp,
                struct muxer_msg_iter *muxer_msg_iter,
@@ -881,8 +919,8 @@ muxer_msg_iter_youngest_upstream_msg_iter(
        size_t i;
        int ret;
        int64_t youngest_ts_ns = INT64_MAX;
-       bt_self_message_iterator_status status =
-               BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+       bt_component_class_message_iterator_next_method_status status =
+               BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
 
        BT_ASSERT(muxer_comp);
        BT_ASSERT(muxer_msg_iter);
@@ -900,7 +938,7 @@ muxer_msg_iter_youngest_upstream_msg_iter(
 
                if (!cur_muxer_upstream_msg_iter->msg_iter) {
                        /* This upstream message iterator is ended */
-                       BT_LOGV("Skipping ended upstream message iterator: "
+                       BT_COMP_LOGT("Skipping ended upstream message iterator: "
                                "muxer-upstream-msg-iter-wrap-addr=%p",
                                cur_muxer_upstream_msg_iter);
                        continue;
@@ -921,7 +959,7 @@ muxer_msg_iter_youngest_upstream_msg_iter(
                                 * validate_new_stream_clock_class() logs
                                 * errors.
                                 */
-                               status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
+                               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
                                goto end;
                        }
                } else if (G_UNLIKELY(bt_message_get_type(msg) ==
@@ -934,7 +972,7 @@ muxer_msg_iter_youngest_upstream_msg_iter(
                                bt_clock_snapshot_borrow_clock_class_const(cs));
                        if (ret) {
                                /* validate_clock_class() logs errors */
-                               status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
+                               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
                                goto end;
                        }
                }
@@ -944,7 +982,7 @@ muxer_msg_iter_youngest_upstream_msg_iter(
                if (ret) {
                        /* get_msg_ts_ns() logs errors */
                        *muxer_upstream_msg_iter = NULL;
-                       status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
+                       status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
                        goto end;
                }
 
@@ -957,7 +995,7 @@ muxer_msg_iter_youngest_upstream_msg_iter(
        }
 
        if (!*muxer_upstream_msg_iter) {
-               status = BT_SELF_MESSAGE_ITERATOR_STATUS_END;
+               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END;
                *ts_ns = INT64_MIN;
        }
 
@@ -966,20 +1004,23 @@ end:
 }
 
 static
-bt_self_message_iterator_status validate_muxer_upstream_msg_iter(
+bt_component_class_message_iterator_next_method_status
+validate_muxer_upstream_msg_iter(
        struct muxer_upstream_msg_iter *muxer_upstream_msg_iter,
        bool *is_ended)
 {
-       bt_self_message_iterator_status status =
-               BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+       struct muxer_comp *muxer_comp =
+               muxer_upstream_msg_iter->muxer_comp;
+       bt_component_class_message_iterator_next_method_status status =
+               BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
 
-       BT_LOGD("Validating muxer's upstream message iterator wrapper: "
+       BT_COMP_LOGD("Validating muxer's upstream message iterator wrapper: "
                "muxer-upstream-msg-iter-wrap-addr=%p",
                muxer_upstream_msg_iter);
 
        if (muxer_upstream_msg_iter->msgs->length > 0 ||
                        !muxer_upstream_msg_iter->msg_iter) {
-               BT_LOGD("Already valid or not considered: "
+               BT_COMP_LOGD("Already valid or not considered: "
                        "queue-len=%u, upstream-msg-iter-addr=%p",
                        muxer_upstream_msg_iter->msgs->length,
                        muxer_upstream_msg_iter->msg_iter);
@@ -995,14 +1036,16 @@ end:
 }
 
 static
-bt_self_message_iterator_status validate_muxer_upstream_msg_iters(
+bt_component_class_message_iterator_next_method_status
+validate_muxer_upstream_msg_iters(
                struct muxer_msg_iter *muxer_msg_iter)
 {
-       bt_self_message_iterator_status status =
-               BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+       struct muxer_comp *muxer_comp = muxer_msg_iter->muxer_comp;
+       bt_component_class_message_iterator_next_method_status status =
+               BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
        size_t i;
 
-       BT_LOGD("Validating muxer's upstream message iterator wrappers: "
+       BT_COMP_LOGD("Validating muxer's upstream message iterator wrappers: "
                "muxer-msg-iter-addr=%p", muxer_msg_iter);
 
        for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len;
@@ -1015,15 +1058,15 @@ bt_self_message_iterator_status validate_muxer_upstream_msg_iters(
 
                status = validate_muxer_upstream_msg_iter(
                        muxer_upstream_msg_iter, &is_ended);
-               if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
+               if (status != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
                        if (status < 0) {
-                               BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
+                               BT_COMP_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
                                        "muxer-msg-iter-addr=%p, "
                                        "muxer-upstream-msg-iter-wrap-addr=%p",
                                        muxer_msg_iter,
                                        muxer_upstream_msg_iter);
                        } else {
-                               BT_LOGD("Cannot validate muxer's upstream message iterator wrapper: "
+                               BT_COMP_LOGD("Cannot validate muxer's upstream message iterator wrapper: "
                                        "muxer-msg-iter-addr=%p, "
                                        "muxer-upstream-msg-iter-wrap-addr=%p",
                                        muxer_msg_iter,
@@ -1038,7 +1081,7 @@ bt_self_message_iterator_status validate_muxer_upstream_msg_iters(
                 * array of ended iterators if it's ended.
                 */
                if (G_UNLIKELY(is_ended)) {
-                       BT_LOGD("Muxer's upstream message iterator wrapper: ended or canceled: "
+                       BT_COMP_LOGD("Muxer's upstream message iterator wrapper: ended or canceled: "
                                "muxer-msg-iter-addr=%p, "
                                "muxer-upstream-msg-iter-wrap-addr=%p",
                                muxer_msg_iter, muxer_upstream_msg_iter);
@@ -1063,17 +1106,17 @@ end:
 }
 
 static inline
-bt_self_message_iterator_status muxer_msg_iter_do_next_one(
+bt_component_class_message_iterator_next_method_status muxer_msg_iter_do_next_one(
                struct muxer_comp *muxer_comp,
                struct muxer_msg_iter *muxer_msg_iter,
                const bt_message **msg)
 {
-       bt_self_message_iterator_status status;
+       bt_component_class_message_iterator_next_method_status status;
        struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL;
        int64_t next_return_ts;
 
        status = validate_muxer_upstream_msg_iters(muxer_msg_iter);
-       if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
+       if (status != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
                /* validate_muxer_upstream_msg_iters() logs details */
                goto end;
        }
@@ -1087,36 +1130,36 @@ bt_self_message_iterator_status muxer_msg_iter_do_next_one(
        status = muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp,
                        muxer_msg_iter, &muxer_upstream_msg_iter,
                        &next_return_ts);
-       if (status < 0 || status == BT_SELF_MESSAGE_ITERATOR_STATUS_END) {
+       if (status < 0 || status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END) {
                if (status < 0) {
-                       BT_LOGE("Cannot find the youngest upstream message iterator wrapper: "
+                       BT_COMP_LOGE("Cannot find the youngest upstream message iterator wrapper: "
                                "status=%s",
-                               bt_common_self_message_iterator_status_string(status));
+                               bt_common_func_status_string(status));
                } else {
-                       BT_LOGD("Cannot find the youngest upstream message iterator wrapper: "
+                       BT_COMP_LOGD("Cannot find the youngest upstream message iterator wrapper: "
                                "status=%s",
-                               bt_common_self_message_iterator_status_string(status));
+                               bt_common_func_status_string(status));
                }
 
                goto end;
        }
 
        if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) {
-               BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
+               BT_COMP_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
                        "muxer-msg-iter-addr=%p, ts=%" PRId64 ", "
                        "last-returned-ts=%" PRId64,
                        muxer_msg_iter, next_return_ts,
                        muxer_msg_iter->last_returned_ts_ns);
-               status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
+               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
                goto end;
        }
 
-       BT_LOGD("Found youngest upstream message iterator wrapper: "
+       BT_COMP_LOGD("Found youngest upstream message iterator wrapper: "
                "muxer-msg-iter-addr=%p, "
                "muxer-upstream-msg-iter-wrap-addr=%p, "
                "ts=%" PRId64,
                muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts);
-       BT_ASSERT(status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK);
+       BT_ASSERT(status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK);
        BT_ASSERT(muxer_upstream_msg_iter);
 
        /*
@@ -1132,20 +1175,20 @@ end:
 }
 
 static
-bt_self_message_iterator_status muxer_msg_iter_do_next(
+bt_component_class_message_iterator_next_method_status muxer_msg_iter_do_next(
                struct muxer_comp *muxer_comp,
                struct muxer_msg_iter *muxer_msg_iter,
                bt_message_array_const msgs, uint64_t capacity,
                uint64_t *count)
 {
-       bt_self_message_iterator_status status =
-               BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+       bt_component_class_message_iterator_next_method_status status =
+               BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
        uint64_t i = 0;
 
-       while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
+       while (i < capacity && status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
                status = muxer_msg_iter_do_next_one(muxer_comp,
                        muxer_msg_iter, &msgs[i]);
-               if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
+               if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
                        i++;
                }
        }
@@ -1164,7 +1207,7 @@ bt_self_message_iterator_status muxer_msg_iter_do_next(
                 * message, in which case we'll return it.
                 */
                *count = i;
-               status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+               status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
        }
 
        return status;
@@ -1173,21 +1216,24 @@ bt_self_message_iterator_status muxer_msg_iter_do_next(
 static
 void destroy_muxer_msg_iter(struct muxer_msg_iter *muxer_msg_iter)
 {
+       struct muxer_comp *muxer_comp;
+
        if (!muxer_msg_iter) {
                return;
        }
 
-       BT_LOGD("Destroying muxer component's message iterator: "
+       muxer_comp = muxer_msg_iter->muxer_comp;
+       BT_COMP_LOGD("Destroying muxer component's message iterator: "
                "muxer-msg-iter-addr=%p", muxer_msg_iter);
 
        if (muxer_msg_iter->active_muxer_upstream_msg_iters) {
-               BT_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
+               BT_COMP_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
                g_ptr_array_free(
                        muxer_msg_iter->active_muxer_upstream_msg_iters, TRUE);
        }
 
        if (muxer_msg_iter->ended_muxer_upstream_msg_iters) {
-               BT_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
+               BT_COMP_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
                g_ptr_array_free(
                        muxer_msg_iter->ended_muxer_upstream_msg_iters, TRUE);
        }
@@ -1205,9 +1251,9 @@ int muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
 
        count = bt_component_filter_get_input_port_count(
                bt_self_component_filter_as_component_filter(
-                       muxer_comp->self_comp));
+                       muxer_comp->self_comp_flt));
        if (count < 0) {
-               BT_LOGD("No input port to initialize for muxer component's message iterator: "
+               BT_COMP_LOGD("No input port to initialize for muxer component's message iterator: "
                        "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
                        muxer_comp, muxer_msg_iter);
                goto end;
@@ -1217,7 +1263,7 @@ int muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
                bt_self_component_port_input_message_iterator *upstream_msg_iter;
                bt_self_component_port_input *self_port =
                        bt_self_component_filter_borrow_input_port_by_index(
-                               muxer_comp->self_comp, i);
+                               muxer_comp->self_comp_flt, i);
                const bt_port *port;
 
                BT_ASSERT(self_port);
@@ -1231,7 +1277,8 @@ int muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
                        continue;
                }
 
-               upstream_msg_iter = create_msg_iter_on_input_port(self_port);
+               upstream_msg_iter = create_msg_iter_on_input_port(muxer_comp,
+                       self_port);
                if (!upstream_msg_iter) {
                        /* create_msg_iter_on_input_port() logs errors */
                        BT_ASSERT(!upstream_msg_iter);
@@ -1254,21 +1301,21 @@ end:
 }
 
 BT_HIDDEN
-bt_self_message_iterator_status muxer_msg_iter_init(
+bt_component_class_message_iterator_init_method_status muxer_msg_iter_init(
                bt_self_message_iterator *self_msg_iter,
                bt_self_component_filter *self_comp,
                bt_self_component_port_output *port)
 {
        struct muxer_comp *muxer_comp = NULL;
        struct muxer_msg_iter *muxer_msg_iter = NULL;
-       bt_self_message_iterator_status status =
-               BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+       bt_component_class_message_iterator_init_method_status status =
+               BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK;
        int ret;
 
        muxer_comp = bt_self_component_get_data(
                bt_self_component_filter_as_self_component(self_comp));
        BT_ASSERT(muxer_comp);
-       BT_LOGD("Initializing muxer component's message iterator: "
+       BT_COMP_LOGD("Initializing muxer component's message iterator: "
                "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
                self_comp, muxer_comp, self_msg_iter);
 
@@ -1278,7 +1325,7 @@ bt_self_message_iterator_status muxer_msg_iter_init(
                 * creates a muxer message iterator while creating
                 * another muxer message iterator (same component).
                 */
-               BT_LOGE("Recursive initialization of muxer component's message iterator: "
+               BT_COMP_LOGE("Recursive initialization of muxer component's message iterator: "
                        "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
                        self_comp, muxer_comp, self_msg_iter);
                goto error;
@@ -1287,16 +1334,17 @@ bt_self_message_iterator_status muxer_msg_iter_init(
        muxer_comp->initializing_muxer_msg_iter = true;
        muxer_msg_iter = g_new0(struct muxer_msg_iter, 1);
        if (!muxer_msg_iter) {
-               BT_LOGE_STR("Failed to allocate one muxer component's message iterator.");
+               BT_COMP_LOGE_STR("Failed to allocate one muxer component's message iterator.");
                goto error;
        }
 
+       muxer_msg_iter->muxer_comp = muxer_comp;
        muxer_msg_iter->last_returned_ts_ns = INT64_MIN;
        muxer_msg_iter->active_muxer_upstream_msg_iters =
                g_ptr_array_new_with_free_func(
                        (GDestroyNotify) destroy_muxer_upstream_msg_iter);
        if (!muxer_msg_iter->active_muxer_upstream_msg_iters) {
-               BT_LOGE_STR("Failed to allocate a GPtrArray.");
+               BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
                goto error;
        }
 
@@ -1304,14 +1352,14 @@ bt_self_message_iterator_status muxer_msg_iter_init(
                g_ptr_array_new_with_free_func(
                        (GDestroyNotify) destroy_muxer_upstream_msg_iter);
        if (!muxer_msg_iter->ended_muxer_upstream_msg_iters) {
-               BT_LOGE_STR("Failed to allocate a GPtrArray.");
+               BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
                goto error;
        }
 
        ret = muxer_msg_iter_init_upstream_iterators(muxer_comp,
                muxer_msg_iter);
        if (ret) {
-               BT_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
+               BT_COMP_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
                        "comp-addr=%p, muxer-comp-addr=%p, "
                        "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
                        self_comp, muxer_comp, muxer_msg_iter,
@@ -1320,7 +1368,7 @@ bt_self_message_iterator_status muxer_msg_iter_init(
        }
 
        bt_self_message_iterator_set_data(self_msg_iter, muxer_msg_iter);
-       BT_LOGD("Initialized muxer component's message iterator: "
+       BT_COMP_LOGD("Initialized muxer component's message iterator: "
                "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
                "msg-iter-addr=%p",
                self_comp, muxer_comp, muxer_msg_iter, self_msg_iter);
@@ -1329,7 +1377,7 @@ bt_self_message_iterator_status muxer_msg_iter_init(
 error:
        destroy_muxer_msg_iter(muxer_msg_iter);
        bt_self_message_iterator_set_data(self_msg_iter, NULL);
-       status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
+       status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR;
 
 end:
        muxer_comp->initializing_muxer_msg_iter = false;
@@ -1348,7 +1396,7 @@ void muxer_msg_iter_finalize(bt_self_message_iterator *self_msg_iter)
                self_msg_iter);
        BT_ASSERT(self_comp);
        muxer_comp = bt_self_component_get_data(self_comp);
-       BT_LOGD("Finalizing muxer component's message iterator: "
+       BT_COMP_LOGD("Finalizing muxer component's message iterator: "
                "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
                "msg-iter-addr=%p",
                self_comp, muxer_comp, muxer_msg_iter, self_msg_iter);
@@ -1359,12 +1407,12 @@ void muxer_msg_iter_finalize(bt_self_message_iterator *self_msg_iter)
 }
 
 BT_HIDDEN
-bt_self_message_iterator_status muxer_msg_iter_next(
+bt_component_class_message_iterator_next_method_status muxer_msg_iter_next(
                bt_self_message_iterator *self_msg_iter,
                bt_message_array_const msgs, uint64_t capacity,
                uint64_t *count)
 {
-       bt_self_message_iterator_status status;
+       bt_component_class_message_iterator_next_method_status status;
        struct muxer_msg_iter *muxer_msg_iter =
                bt_self_message_iterator_get_data(self_msg_iter);
        bt_self_component *self_comp = NULL;
@@ -1376,7 +1424,7 @@ bt_self_message_iterator_status muxer_msg_iter_next(
        BT_ASSERT(self_comp);
        muxer_comp = bt_self_component_get_data(self_comp);
        BT_ASSERT(muxer_comp);
-       BT_LOGV("Muxer component's message iterator's \"next\" method called: "
+       BT_COMP_LOGT("Muxer component's message iterator's \"next\" method called: "
                "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
                "msg-iter-addr=%p",
                self_comp, muxer_comp, muxer_msg_iter, self_msg_iter);
@@ -1384,37 +1432,45 @@ bt_self_message_iterator_status muxer_msg_iter_next(
        status = muxer_msg_iter_do_next(muxer_comp, muxer_msg_iter,
                msgs, capacity, count);
        if (status < 0) {
-               BT_LOGE("Cannot get next message: "
+               BT_COMP_LOGE("Cannot get next message: "
                        "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
                        "msg-iter-addr=%p, status=%s",
                        self_comp, muxer_comp, muxer_msg_iter, self_msg_iter,
-                       bt_common_self_message_iterator_status_string(status));
+                       bt_common_func_status_string(status));
        } else {
-               BT_LOGV("Returning from muxer component's message iterator's \"next\" method: "
+               BT_COMP_LOGT("Returning from muxer component's message iterator's \"next\" method: "
                        "status=%s",
-                       bt_common_self_message_iterator_status_string(status));
+                       bt_common_func_status_string(status));
        }
 
        return status;
 }
 
 BT_HIDDEN
-bt_self_component_status muxer_input_port_connected(
+bt_component_class_port_connected_method_status muxer_input_port_connected(
                bt_self_component_filter *self_comp,
                bt_self_component_port_input *self_port,
                const bt_port_output *other_port)
 {
-       bt_self_component_status status;
+       bt_component_class_port_connected_method_status status =
+               BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_OK;
+       bt_self_component_add_port_status add_port_status;
+       struct muxer_comp *muxer_comp = bt_self_component_get_data(
+               bt_self_component_filter_as_self_component(self_comp));
 
-       status = add_available_input_port(self_comp);
-       if (status) {
-               /*
-                * Only way to report an error later since this
-                * method does not return anything.
-                */
-               BT_LOGE("Cannot add one muxer component's input port: "
+       add_port_status = add_available_input_port(self_comp);
+       if (add_port_status) {
+               BT_COMP_LOGE("Cannot add one muxer component's input port: "
                        "status=%s",
-                       bt_self_component_status_string(status));
+                       bt_common_func_status_string(status));
+
+               if (add_port_status ==
+                               BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR) {
+                       status = BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_MEMORY_ERROR;
+               } else {
+                       status = BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_ERROR;
+               }
+
                goto end;
        }
 
@@ -1469,12 +1525,14 @@ end:
 }
 
 BT_HIDDEN
-bt_self_message_iterator_status muxer_msg_iter_seek_beginning(
+bt_component_class_message_iterator_seek_beginning_method_status muxer_msg_iter_seek_beginning(
                bt_self_message_iterator *self_msg_iter)
 {
        struct muxer_msg_iter *muxer_msg_iter =
                bt_self_message_iterator_get_data(self_msg_iter);
-       bt_message_iterator_status status = BT_MESSAGE_ITERATOR_STATUS_OK;
+       bt_component_class_message_iterator_seek_beginning_method_status status =
+               BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK;
+       bt_message_iterator_seek_beginning_status seek_beg_status;
        uint64_t i;
 
        /* Seek all ended upstream iterators first */
@@ -1483,9 +1541,10 @@ bt_self_message_iterator_status muxer_msg_iter_seek_beginning(
                struct muxer_upstream_msg_iter *upstream_msg_iter =
                        muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i];
 
-               status = bt_self_component_port_input_message_iterator_seek_beginning(
+               seek_beg_status = bt_self_component_port_input_message_iterator_seek_beginning(
                        upstream_msg_iter->msg_iter);
-               if (status != BT_MESSAGE_ITERATOR_STATUS_OK) {
+               if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) {
+                       status = (int) seek_beg_status;
                        goto end;
                }
 
@@ -1498,9 +1557,10 @@ bt_self_message_iterator_status muxer_msg_iter_seek_beginning(
                struct muxer_upstream_msg_iter *upstream_msg_iter =
                        muxer_msg_iter->active_muxer_upstream_msg_iters->pdata[i];
 
-               status = bt_self_component_port_input_message_iterator_seek_beginning(
+               seek_beg_status = bt_self_component_port_input_message_iterator_seek_beginning(
                        upstream_msg_iter->msg_iter);
-               if (status != BT_MESSAGE_ITERATOR_STATUS_OK) {
+               if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) {
+                       status = (int) seek_beg_status;
                        goto end;
                }
 
@@ -1525,5 +1585,5 @@ bt_self_message_iterator_status muxer_msg_iter_seek_beginning(
                MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY;
 
 end:
-       return (bt_self_message_iterator_status) status;
+       return status;
 }
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