#include <string.h>
#include "plugins/common/muxing/muxing.h"
+#include "plugins/common/param-validation/param-validation.h"
#include "muxer.h"
-#define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes"
-
struct muxer_comp {
/* Weak refs */
bt_self_component_filter *self_comp_flt;
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;
};
* MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
*/
bt_uuid_t expected_clock_class_uuid;
+
+ /*
+ * Saved error. If we hit an error in the _next method, but have some
+ * messages ready to return, we save the error here and return it on
+ * the next _next call.
+ */
+ bt_component_class_message_iterator_next_method_status next_saved_status;
+ const struct bt_error *next_saved_error;
};
static
}
static
-bt_value *get_default_params(struct muxer_comp *muxer_comp)
-{
- bt_value *params;
- int ret;
-
- params = bt_value_map_create();
- if (!params) {
- 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_COMP_LOGE_STR("Cannot add boolean value to map value object.");
- goto error;
- }
-
- goto end;
-
-error:
- BT_VALUE_PUT_REF_AND_RESET(params);
-
-end:
- return params;
-}
-
-static
-int configure_muxer_comp(struct muxer_comp *muxer_comp,
- const bt_value *params)
-{
- bt_value *default_params = NULL;
- bt_value *real_params = NULL;
- const bt_value *assume_absolute_clock_classes = NULL;
- int ret = 0;
- bt_bool bool_val;
-
- default_params = get_default_params(muxer_comp);
- if (!default_params) {
- 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_COMP_LOGE("Cannot extend default parameters map value: "
- "muxer-comp-addr=%p, def-params-addr=%p, "
- "params-addr=%p", muxer_comp, default_params,
- params);
- goto error;
- }
-
- assume_absolute_clock_classes = bt_value_map_borrow_entry_value(real_params,
- ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME);
- if (assume_absolute_clock_classes &&
- !bt_value_is_bool(assume_absolute_clock_classes)) {
- 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(
- bt_value_get_type(assume_absolute_clock_classes)));
- goto error;
- }
-
- bool_val = bt_value_bool_get(assume_absolute_clock_classes);
- muxer_comp->assume_absolute_clock_classes = (bool) bool_val;
- 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;
-
-error:
- ret = -1;
-
-end:
- bt_value_put_ref(default_params);
- bt_value_put_ref(real_params);
- return ret;
-}
+struct bt_param_validation_map_value_entry_descr muxer_params[] = {
+ BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END
+};
BT_HIDDEN
-bt_component_class_init_method_status muxer_init(
+bt_component_class_initialize_method_status muxer_init(
bt_self_component_filter *self_comp_flt,
+ bt_self_component_filter_configuration *config,
const bt_value *params, void *init_data)
{
- int ret;
- bt_component_class_init_method_status status =
- BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK;
+ bt_component_class_initialize_method_status status;
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));
+ enum bt_param_validation_status validation_status;
+ gchar *validate_error = NULL;
BT_COMP_LOG_CUR_LVL(BT_LOG_INFO, log_level, self_comp,
"Initializing muxer component: "
if (!muxer_comp) {
BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp,
"Failed to allocate one muxer component.");
+ status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
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_COMP_LOGE("Cannot configure muxer component: "
- "muxer-comp-addr=%p, params-addr=%p",
- muxer_comp, params);
+
+ validation_status = bt_param_validation_validate(params,
+ muxer_params, &validate_error);
+ if (validation_status == BT_PARAM_VALIDATION_STATUS_MEMORY_ERROR) {
+ status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ goto error;
+ } else if (validation_status == BT_PARAM_VALIDATION_STATUS_VALIDATION_ERROR) {
+ status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
+ BT_COMP_LOGE_APPEND_CAUSE(self_comp, "%s", validate_error);
goto error;
}
"muxer-comp-addr=%p, status=%s",
muxer_comp,
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;
- }
-
+ status = (int) add_port_status;
goto error;
}
"muxer-comp-addr=%p, status=%s",
muxer_comp,
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;
- }
-
+ status = (int) add_port_status;
goto error;
}
"comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
self_comp, params, muxer_comp);
+ status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK;
goto end;
error:
destroy_muxer_comp(muxer_comp);
bt_self_component_set_data(self_comp, NULL);
- if (status == BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK) {
- status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
- }
-
end:
+ g_free(validate_error);
return status;
}
}
static
-bt_self_component_port_input_message_iterator *
+bt_self_component_port_input_message_iterator_create_from_message_iterator_status
create_msg_iter_on_input_port(struct muxer_comp *muxer_comp,
struct muxer_msg_iter *muxer_msg_iter,
- bt_self_component_port_input *self_port)
+ bt_self_component_port_input *self_port,
+ bt_self_component_port_input_message_iterator **msg_iter)
{
const bt_port *port = bt_self_component_port_as_port(
bt_self_component_port_input_as_self_component_port(
self_port));
- bt_self_component_port_input_message_iterator *msg_iter =
- NULL;
+ bt_self_component_port_input_message_iterator_create_from_message_iterator_status
+ status;
BT_ASSERT(port);
BT_ASSERT(bt_port_is_connected(port));
// TODO: Advance the iterator to >= the time of the latest
// returned message by the muxer message
// iterator which creates it.
- msg_iter = bt_self_component_port_input_message_iterator_create_from_message_iterator(
- muxer_msg_iter->self_msg_iter, self_port);
- if (!msg_iter) {
+ status = bt_self_component_port_input_message_iterator_create_from_message_iterator(
+ muxer_msg_iter->self_msg_iter, self_port, msg_iter);
+ if (status != BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) {
BT_COMP_LOGE("Cannot create upstream message iterator on input port: "
"port-addr=%p, port-name=\"%s\"",
port, bt_port_get_name(port));
port, bt_port_get_name(port), msg_iter);
end:
- return msg_iter;
+ return status;
}
static
struct muxer_upstream_msg_iter *muxer_upstream_msg_iter,
bool *is_ended)
{
- struct muxer_comp *muxer_comp =
- muxer_upstream_msg_iter->muxer_comp;
+ 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;
* valid: it must be considered for muxing operations.
*/
BT_COMP_LOGD_STR("Validated upstream message iterator wrapper.");
- BT_ASSERT(count > 0);
+ BT_ASSERT_DBG(count > 0);
/* Move messages to our queue */
for (i = 0; i < count; i++) {
*is_ended = true;
status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
break;
+ case BT_MESSAGE_ITERATOR_NEXT_STATUS_ERROR:
+ case BT_MESSAGE_ITERATOR_NEXT_STATUS_MEMORY_ERROR:
+ /* Error status code */
+ BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp,
+ "Upstream iterator's next method returned an error: status=%s",
+ bt_common_func_status_string(input_port_iter_status));
+ status = (int) input_port_iter_status;
+ break;
default:
- /* Error or unsupported status code */
- BT_COMP_LOGE("Error or unsupported status code: "
- "status-code=%d", input_port_iter_status);
+ /* Unsupported status code */
+ BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp,
+ "Unsupported status code: status=%s",
+ bt_common_func_status_string(input_port_iter_status));
status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
break;
}
const bt_stream_class *stream_class = NULL;
bt_message_type msg_type;
- BT_ASSERT(msg);
- BT_ASSERT(ts_ns);
+ BT_ASSERT_DBG(msg);
+ BT_ASSERT_DBG(ts_ns);
BT_COMP_LOGD("Getting message's timestamp: "
"muxer-msg-iter-addr=%p, msg-addr=%p, "
"last-returned-ts=%" PRId64,
switch (msg_type) {
case BT_MESSAGE_TYPE_EVENT:
- BT_ASSERT(bt_message_event_borrow_stream_class_default_clock_class_const(
+ BT_ASSERT_DBG(bt_message_event_borrow_stream_class_default_clock_class_const(
msg));
clock_snapshot = bt_message_event_borrow_default_clock_snapshot_const(
msg);
const uint8_t *cc_uuid;
const char *cc_name;
- BT_ASSERT(clock_class);
+ BT_ASSERT_DBG(clock_class);
cc_uuid = bt_clock_class_get_uuid(clock_class);
cc_name = bt_clock_class_get_name(clock_class);
if (muxer_msg_iter->clock_class_expectation ==
MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) {
/*
- * This is the first clock class that this muxer
- * message iterator encounters. Its properties
- * determine what to expect for the whole lifetime of
- * the iterator without a true
- * `assume-absolute-clock-classes` parameter.
+ * This is the first clock class that this muxer message
+ * iterator encounters. Its properties determine what to expect
+ * for the whole lifetime of the iterator.
*/
if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
/* Expect absolute clock classes */
}
}
- if (!muxer_comp->assume_absolute_clock_classes) {
- 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_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);
- goto error;
- }
- break;
- case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID:
- if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
- 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);
- goto error;
- }
-
- if (cc_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=\"" BT_UUID_FMT "\"",
- clock_class, cc_name, BT_UUID_FMT_VALUES(cc_uuid));
- goto error;
- }
- break;
- case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID:
- if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
- 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);
- goto error;
- }
+ 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_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);
+ goto error;
+ }
+ break;
+ case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID:
+ if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
+ 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);
+ goto error;
+ }
- if (!cc_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);
- goto error;
- }
+ if (cc_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=\"" BT_UUID_FMT "\"",
+ clock_class, cc_name, BT_UUID_FMT_VALUES(cc_uuid));
+ goto error;
+ }
+ break;
+ case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID:
+ if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
+ 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);
+ goto error;
+ }
- if (bt_uuid_compare(muxer_msg_iter->expected_clock_class_uuid, cc_uuid) != 0) {
- 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=\"" BT_UUID_FMT "\", "
- "uuid=\"" BT_UUID_FMT "\"",
- clock_class, cc_name,
- BT_UUID_FMT_VALUES(muxer_msg_iter->expected_clock_class_uuid),
- BT_UUID_FMT_VALUES(cc_uuid));
- goto error;
- }
- break;
- case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE:
- BT_COMP_LOGE("Expecting no clock class, but got one: "
+ if (!cc_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);
goto error;
- default:
- /* Unexpected */
- BT_COMP_LOGF("Unexpected clock class expectation: "
- "expectation-code=%d",
- muxer_msg_iter->clock_class_expectation);
- abort();
}
+
+ if (bt_uuid_compare(muxer_msg_iter->expected_clock_class_uuid, cc_uuid) != 0) {
+ 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=\"" BT_UUID_FMT "\", "
+ "uuid=\"" BT_UUID_FMT "\"",
+ clock_class, cc_name,
+ BT_UUID_FMT_VALUES(muxer_msg_iter->expected_clock_class_uuid),
+ BT_UUID_FMT_VALUES(cc_uuid));
+ goto error;
+ }
+ break;
+ case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE:
+ 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_COMP_LOGF("Unexpected clock class expectation: "
+ "expectation-code=%d",
+ muxer_msg_iter->clock_class_expectation);
+ bt_common_abort();
}
goto end;
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);
- BT_ASSERT(muxer_upstream_msg_iter);
+ BT_ASSERT_DBG(muxer_comp);
+ BT_ASSERT_DBG(muxer_msg_iter);
+ BT_ASSERT_DBG(muxer_upstream_msg_iter);
*muxer_upstream_msg_iter = NULL;
for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len;
continue;
}
- BT_ASSERT(cur_muxer_upstream_msg_iter->msgs->length > 0);
+ BT_ASSERT_DBG(cur_muxer_upstream_msg_iter->msgs->length > 0);
msg = g_queue_peek_head(cur_muxer_upstream_msg_iter->msgs);
- BT_ASSERT(msg);
+ BT_ASSERT_DBG(msg);
if (G_UNLIKELY(bt_message_get_type(msg) ==
BT_MESSAGE_TYPE_STREAM_BEGINNING)) {
goto end;
}
- if (msg_ts_ns < youngest_ts_ns) {
+ /*
+ * Update the current message iterator if it has not been set
+ * yet, or if its current message has a timestamp smaller than
+ * the previously selected youngest message.
+ */
+ if (G_UNLIKELY(*muxer_upstream_msg_iter == NULL) ||
+ msg_ts_ns < youngest_ts_ns) {
*muxer_upstream_msg_iter =
cur_muxer_upstream_msg_iter;
youngest_ts_ns = msg_ts_ns;
struct muxer_upstream_msg_iter *muxer_upstream_msg_iter,
bool *is_ended)
{
- 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;
+ struct muxer_comp *muxer_comp = muxer_upstream_msg_iter->muxer_comp;
+ bt_component_class_message_iterator_next_method_status status;
BT_COMP_LOGD("Validating muxer's upstream message iterator wrapper: "
"muxer-upstream-msg-iter-wrap-addr=%p",
"queue-len=%u, upstream-msg-iter-addr=%p",
muxer_upstream_msg_iter->msgs->length,
muxer_upstream_msg_iter->msg_iter);
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
goto end;
}
struct muxer_msg_iter *muxer_msg_iter)
{
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;
+ bt_component_class_message_iterator_next_method_status status;
size_t i;
BT_COMP_LOGD("Validating muxer's upstream message iterator wrappers: "
muxer_upstream_msg_iter, &is_ended);
if (status != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
if (status < 0) {
- BT_COMP_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
+ BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp,
+ "Cannot validate muxer's upstream message iterator wrapper: "
"muxer-msg-iter-addr=%p, "
"muxer-upstream-msg-iter-wrap-addr=%p",
muxer_msg_iter,
}
}
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
+
end:
return status;
}
&next_return_ts);
if (status < 0 || status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END) {
if (status < 0) {
- BT_COMP_LOGE("Cannot find the youngest upstream message iterator wrapper: "
+ BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp,
+ "Cannot find the youngest upstream message iterator wrapper: "
"status=%s",
bt_common_func_status_string(status));
} else {
}
if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) {
- BT_COMP_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
+ BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp,
+ "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-upstream-msg-iter-wrap-addr=%p, "
"ts=%" PRId64,
muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts);
- BT_ASSERT(status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK);
- BT_ASSERT(muxer_upstream_msg_iter);
+ BT_ASSERT_DBG(status ==
+ BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK);
+ BT_ASSERT_DBG(muxer_upstream_msg_iter);
/*
* Consume from the queue's head: other side
* (muxer_upstream_msg_iter_next()) writes to the tail.
*/
*msg = g_queue_pop_head(muxer_upstream_msg_iter->msgs);
- BT_ASSERT(*msg);
+ BT_ASSERT_DBG(*msg);
muxer_msg_iter->last_returned_ts_ns = next_return_ts;
end:
bt_message_array_const msgs, uint64_t capacity,
uint64_t *count)
{
- bt_component_class_message_iterator_next_method_status status =
- BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
+ bt_component_class_message_iterator_next_method_status status;
uint64_t i = 0;
- while (i < capacity && status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
+ if (G_UNLIKELY(muxer_msg_iter->next_saved_error)) {
+ /*
+ * Last time we were called, we hit an error but had some
+ * messages to deliver, so we stashed the error here. Return
+ * it now.
+ */
+ BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(muxer_msg_iter->next_saved_error);
+ status = muxer_msg_iter->next_saved_status;
+ goto end;
+ }
+
+ do {
status = muxer_msg_iter_do_next_one(muxer_comp,
muxer_msg_iter, &msgs[i]);
if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
i++;
}
- }
+ } while (i < capacity && status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK);
if (i > 0) {
/*
* called, possibly without any accumulated
* message, in which case we'll return it.
*/
+ if (status < 0) {
+ /*
+ * Save this error for the next _next call. Assume that
+ * this component always appends error causes when
+ * returning an error status code, which will cause the
+ * current thread error to be non-NULL.
+ */
+ muxer_msg_iter->next_saved_error = bt_current_thread_take_error();
+ BT_ASSERT(muxer_msg_iter->next_saved_error);
+ muxer_msg_iter->next_saved_status = status;
+ }
+
*count = i;
status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
}
+end:
return status;
}
}
static
-int muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
- struct muxer_msg_iter *muxer_msg_iter)
+bt_component_class_message_iterator_initialize_method_status
+muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
+ struct muxer_msg_iter *muxer_msg_iter,
+ struct bt_self_message_iterator_configuration *config)
{
int64_t count;
int64_t i;
- int ret = 0;
+ bt_component_class_message_iterator_initialize_method_status status;
+ bool can_seek_forward = true;
count = bt_component_filter_get_input_port_count(
bt_self_component_filter_as_component_filter(
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);
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK;
goto end;
}
bt_self_component_filter_borrow_input_port_by_index(
muxer_comp->self_comp_flt, i);
const bt_port *port;
+ bt_self_component_port_input_message_iterator_create_from_message_iterator_status
+ msg_iter_status;
+ int int_status;
BT_ASSERT(self_port);
port = bt_self_component_port_as_port(
continue;
}
- upstream_msg_iter = create_msg_iter_on_input_port(muxer_comp,
- muxer_msg_iter, self_port);
- if (!upstream_msg_iter) {
+ msg_iter_status = create_msg_iter_on_input_port(muxer_comp,
+ muxer_msg_iter, self_port, &upstream_msg_iter);
+ if (msg_iter_status != BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) {
/* create_msg_iter_on_input_port() logs errors */
- BT_ASSERT(!upstream_msg_iter);
- ret = -1;
+ status = (int) msg_iter_status;
goto end;
}
- ret = muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter,
+ int_status = muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter,
upstream_msg_iter);
bt_self_component_port_input_message_iterator_put_ref(
upstream_msg_iter);
- if (ret) {
+ if (int_status) {
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR;
/* muxer_msg_iter_add_upstream_msg_iter() logs errors */
goto end;
}
+
+ can_seek_forward = can_seek_forward &&
+ bt_self_component_port_input_message_iterator_can_seek_forward(
+ upstream_msg_iter);
}
+ /*
+ * This iterator can seek forward if all of its iterators can seek
+ * forward.
+ */
+ bt_self_message_iterator_configuration_set_can_seek_forward(
+ config, can_seek_forward);
+
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK;
+
end:
- return ret;
+ return status;
}
BT_HIDDEN
-bt_component_class_message_iterator_init_method_status muxer_msg_iter_init(
+bt_component_class_message_iterator_initialize_method_status muxer_msg_iter_init(
bt_self_message_iterator *self_msg_iter,
+ bt_self_message_iterator_configuration *config,
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_component_class_message_iterator_init_method_status status =
- BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK;
- int ret;
+ bt_component_class_message_iterator_initialize_method_status status;
muxer_comp = bt_self_component_get_data(
bt_self_component_filter_as_self_component(self_comp));
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);
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR;
goto error;
}
muxer_msg_iter = g_new0(struct muxer_msg_iter, 1);
if (!muxer_msg_iter) {
BT_COMP_LOGE_STR("Failed to allocate one muxer component's message iterator.");
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
goto error;
}
(GDestroyNotify) destroy_muxer_upstream_msg_iter);
if (!muxer_msg_iter->active_muxer_upstream_msg_iters) {
BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
goto error;
}
(GDestroyNotify) destroy_muxer_upstream_msg_iter);
if (!muxer_msg_iter->ended_muxer_upstream_msg_iters) {
BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
goto error;
}
- ret = muxer_msg_iter_init_upstream_iterators(muxer_comp,
- muxer_msg_iter);
- if (ret) {
+ status = muxer_msg_iter_init_upstream_iterators(muxer_comp,
+ muxer_msg_iter, config);
+ if (status) {
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,
- self_msg_iter, ret);
+ self_msg_iter, status);
goto error;
}
error:
destroy_muxer_msg_iter(muxer_msg_iter);
bt_self_message_iterator_set_data(self_msg_iter, NULL);
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR;
end:
muxer_comp->initializing_muxer_msg_iter = false;
bt_self_component *self_comp = NULL;
struct muxer_comp *muxer_comp = NULL;
- BT_ASSERT(muxer_msg_iter);
+ BT_ASSERT_DBG(muxer_msg_iter);
self_comp = bt_self_message_iterator_borrow_component(
self_msg_iter);
- BT_ASSERT(self_comp);
+ BT_ASSERT_DBG(self_comp);
muxer_comp = bt_self_component_get_data(self_comp);
- BT_ASSERT(muxer_comp);
+ BT_ASSERT_DBG(muxer_comp);
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",
}
static inline
-bt_bool muxer_upstream_msg_iters_can_all_seek_beginning(
- GPtrArray *muxer_upstream_msg_iters)
+bt_component_class_message_iterator_can_seek_beginning_method_status
+muxer_upstream_msg_iters_can_all_seek_beginning(
+ GPtrArray *muxer_upstream_msg_iters, bt_bool *can_seek)
{
+ bt_component_class_message_iterator_can_seek_beginning_method_status status =
+ BT_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_STATUS_OK;
uint64_t i;
- bt_bool ret = BT_TRUE;
for (i = 0; i < muxer_upstream_msg_iters->len; i++) {
struct muxer_upstream_msg_iter *upstream_msg_iter =
muxer_upstream_msg_iters->pdata[i];
+ status = (int) bt_self_component_port_input_message_iterator_can_seek_beginning(
+ upstream_msg_iter->msg_iter, can_seek);
+ if (status != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_STATUS_OK) {
+ goto end;
+ }
- if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
- upstream_msg_iter->msg_iter)) {
- ret = BT_FALSE;
+ if (!*can_seek) {
goto end;
}
}
+ *can_seek = BT_TRUE;
+
end:
- return ret;
+ return status;
}
BT_HIDDEN
-bt_bool muxer_msg_iter_can_seek_beginning(
- bt_self_message_iterator *self_msg_iter)
+bt_component_class_message_iterator_can_seek_beginning_method_status
+muxer_msg_iter_can_seek_beginning(
+ bt_self_message_iterator *self_msg_iter, bt_bool *can_seek)
{
struct muxer_msg_iter *muxer_msg_iter =
bt_self_message_iterator_get_data(self_msg_iter);
- bt_bool ret = BT_TRUE;
+ bt_component_class_message_iterator_can_seek_beginning_method_status status;
- if (!muxer_upstream_msg_iters_can_all_seek_beginning(
- muxer_msg_iter->active_muxer_upstream_msg_iters)) {
- ret = BT_FALSE;
+ status = muxer_upstream_msg_iters_can_all_seek_beginning(
+ muxer_msg_iter->active_muxer_upstream_msg_iters, can_seek);
+ if (status != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_STATUS_OK) {
goto end;
}
- if (!muxer_upstream_msg_iters_can_all_seek_beginning(
- muxer_msg_iter->ended_muxer_upstream_msg_iters)) {
- ret = BT_FALSE;
+ if (!*can_seek) {
goto end;
}
+ status = muxer_upstream_msg_iters_can_all_seek_beginning(
+ muxer_msg_iter->ended_muxer_upstream_msg_iters, can_seek);
+
end:
- return ret;
+ return status;
}
BT_HIDDEN