#include <babeltrace2/types.h>
#include "common/list.h"
#include <string.h>
+#include <stdbool.h>
#include <stdlib.h>
#include <glib.h>
#include <gmodule.h>
bt_component_class_source_finalize_method finalize;
bt_component_class_source_query_method query;
bt_component_class_source_output_port_connected_method output_port_connected;
- bt_component_class_source_message_iterator_initialize_method msg_iter_initialize;
- bt_component_class_source_message_iterator_finalize_method msg_iter_finalize;
- bt_component_class_source_message_iterator_seek_ns_from_origin_method msg_iter_seek_ns_from_origin;
- bt_component_class_source_message_iterator_seek_beginning_method msg_iter_seek_beginning;
- bt_component_class_source_message_iterator_can_seek_ns_from_origin_method msg_iter_can_seek_ns_from_origin;
- bt_component_class_source_message_iterator_can_seek_beginning_method msg_iter_can_seek_beginning;
+ bt_message_iterator_class_initialize_method msg_iter_initialize;
+ bt_message_iterator_class_finalize_method msg_iter_finalize;
+ bt_message_iterator_class_seek_ns_from_origin_method msg_iter_seek_ns_from_origin;
+ bt_message_iterator_class_seek_beginning_method msg_iter_seek_beginning;
+ bt_message_iterator_class_can_seek_ns_from_origin_method msg_iter_can_seek_ns_from_origin;
+ bt_message_iterator_class_can_seek_beginning_method msg_iter_can_seek_beginning;
} source;
struct {
bt_component_class_filter_query_method query;
bt_component_class_filter_input_port_connected_method input_port_connected;
bt_component_class_filter_output_port_connected_method output_port_connected;
- bt_component_class_filter_message_iterator_initialize_method msg_iter_initialize;
- bt_component_class_filter_message_iterator_finalize_method msg_iter_finalize;
- bt_component_class_filter_message_iterator_seek_ns_from_origin_method msg_iter_seek_ns_from_origin;
- bt_component_class_filter_message_iterator_seek_beginning_method msg_iter_seek_beginning;
- bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method msg_iter_can_seek_ns_from_origin;
- bt_component_class_filter_message_iterator_can_seek_beginning_method msg_iter_can_seek_beginning;
+ bt_message_iterator_class_initialize_method msg_iter_initialize;
+ bt_message_iterator_class_finalize_method msg_iter_finalize;
+ bt_message_iterator_class_seek_ns_from_origin_method msg_iter_seek_ns_from_origin;
+ bt_message_iterator_class_seek_beginning_method msg_iter_seek_beginning;
+ bt_message_iterator_class_can_seek_ns_from_origin_method msg_iter_can_seek_ns_from_origin;
+ bt_message_iterator_class_can_seek_beginning_method msg_iter_can_seek_beginning;
} filter;
struct {
GArray *comp_class_full_descriptors;
size_t i;
int ret;
+ struct bt_message_iterator_class *msg_iter_class = NULL;
BT_LOGI("Initializing plugin object from descriptors found in sections: "
"plugin-addr=%p, plugin-path=\"%s\", "
cur_cc_descr_attr->value.sink_get_supported_mip_versions_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD:
cur_cc_descr_attr->value.sink_initialize_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD:
cur_cc_descr_attr->value.sink_finalize_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD:
cur_cc_descr_attr->value.sink_query_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD:
cur_cc_descr_attr->value.sink_input_port_connected_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD:
cur_cc_descr_attr->value.filter_output_port_connected_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD:
cur_cc_descr_attr->value.sink_graph_is_configured_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD:
switch (cc_type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
cc_full_descr->methods.source.msg_iter_initialize =
- cur_cc_descr_attr->value.source_msg_iter_initialize_method;
+ cur_cc_descr_attr->value.msg_iter_initialize_method;
break;
case BT_COMPONENT_CLASS_TYPE_FILTER:
cc_full_descr->methods.filter.msg_iter_initialize =
- cur_cc_descr_attr->value.filter_msg_iter_initialize_method;
+ cur_cc_descr_attr->value.msg_iter_initialize_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD:
switch (cc_type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
cc_full_descr->methods.source.msg_iter_finalize =
- cur_cc_descr_attr->value.source_msg_iter_finalize_method;
+ cur_cc_descr_attr->value.msg_iter_finalize_method;
break;
case BT_COMPONENT_CLASS_TYPE_FILTER:
cc_full_descr->methods.filter.msg_iter_finalize =
- cur_cc_descr_attr->value.filter_msg_iter_finalize_method;
+ cur_cc_descr_attr->value.msg_iter_finalize_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD:
switch (cc_type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
cc_full_descr->methods.source.msg_iter_seek_ns_from_origin =
- cur_cc_descr_attr->value.source_msg_iter_seek_ns_from_origin_method;
+ cur_cc_descr_attr->value.msg_iter_seek_ns_from_origin_method;
break;
case BT_COMPONENT_CLASS_TYPE_FILTER:
cc_full_descr->methods.filter.msg_iter_seek_ns_from_origin =
- cur_cc_descr_attr->value.filter_msg_iter_seek_ns_from_origin_method;
+ cur_cc_descr_attr->value.msg_iter_seek_ns_from_origin_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD:
switch (cc_type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
cc_full_descr->methods.source.msg_iter_seek_beginning =
- cur_cc_descr_attr->value.source_msg_iter_seek_beginning_method;
+ cur_cc_descr_attr->value.msg_iter_seek_beginning_method;
break;
case BT_COMPONENT_CLASS_TYPE_FILTER:
cc_full_descr->methods.filter.msg_iter_seek_beginning =
- cur_cc_descr_attr->value.filter_msg_iter_seek_beginning_method;
+ cur_cc_descr_attr->value.msg_iter_seek_beginning_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD:
switch (cc_type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
cc_full_descr->methods.source.msg_iter_can_seek_ns_from_origin =
- cur_cc_descr_attr->value.source_msg_iter_can_seek_ns_from_origin_method;
+ cur_cc_descr_attr->value.msg_iter_can_seek_ns_from_origin_method;
break;
case BT_COMPONENT_CLASS_TYPE_FILTER:
cc_full_descr->methods.filter.msg_iter_can_seek_ns_from_origin =
- cur_cc_descr_attr->value.filter_msg_iter_can_seek_ns_from_origin_method;
+ cur_cc_descr_attr->value.msg_iter_can_seek_ns_from_origin_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD:
switch (cc_type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
cc_full_descr->methods.source.msg_iter_can_seek_beginning =
- cur_cc_descr_attr->value.source_msg_iter_can_seek_beginning_method;
+ cur_cc_descr_attr->value.msg_iter_can_seek_beginning_method;
break;
case BT_COMPONENT_CLASS_TYPE_FILTER:
cc_full_descr->methods.filter.msg_iter_can_seek_beginning =
- cur_cc_descr_attr->value.filter_msg_iter_can_seek_beginning_method;
+ cur_cc_descr_attr->value.msg_iter_can_seek_beginning_method;
break;
default:
- abort();
+ bt_common_abort();
}
break;
default:
bt_component_class_type_string(
cc_full_descr->descriptor->type));
+ if (cc_full_descr->descriptor->type == BT_COMPONENT_CLASS_TYPE_SOURCE ||
+ cc_full_descr->descriptor->type == BT_COMPONENT_CLASS_TYPE_FILTER) {
+ bt_message_iterator_class_next_method next_method;
+ bt_message_iterator_class_initialize_method init_method;
+ bt_message_iterator_class_finalize_method fini_method;
+ bt_message_iterator_class_seek_ns_from_origin_method seek_ns_from_origin_method;
+ bt_message_iterator_class_seek_beginning_method seek_beginning_method;
+ bt_message_iterator_class_can_seek_ns_from_origin_method can_seek_ns_from_origin_method;
+ bt_message_iterator_class_can_seek_beginning_method can_seek_beginning_method;
+
+ if (cc_full_descr->descriptor->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
+ next_method = cc_full_descr->descriptor->methods.source.msg_iter_next;
+ init_method = cc_full_descr->methods.source.msg_iter_initialize;
+ fini_method = cc_full_descr->methods.source.msg_iter_finalize;
+ seek_ns_from_origin_method = cc_full_descr->methods.source.msg_iter_seek_ns_from_origin;
+ can_seek_ns_from_origin_method = cc_full_descr->methods.source.msg_iter_can_seek_ns_from_origin;
+ seek_beginning_method = cc_full_descr->methods.source.msg_iter_seek_beginning;
+ can_seek_beginning_method = cc_full_descr->methods.source.msg_iter_can_seek_beginning;
+ } else {
+ next_method = cc_full_descr->descriptor->methods.filter.msg_iter_next;
+ init_method = cc_full_descr->methods.filter.msg_iter_initialize;
+ fini_method = cc_full_descr->methods.filter.msg_iter_finalize;
+ seek_ns_from_origin_method = cc_full_descr->methods.filter.msg_iter_seek_ns_from_origin;
+ can_seek_ns_from_origin_method = cc_full_descr->methods.filter.msg_iter_can_seek_ns_from_origin;
+ seek_beginning_method = cc_full_descr->methods.filter.msg_iter_seek_beginning;
+ can_seek_beginning_method = cc_full_descr->methods.filter.msg_iter_can_seek_beginning;
+ }
+
+ msg_iter_class = bt_message_iterator_class_create(next_method);
+ if (!msg_iter_class) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Cannot create message iterator class.");
+ status = BT_FUNC_STATUS_MEMORY_ERROR;
+ goto end;
+ }
+
+ if (init_method) {
+ ret = bt_message_iterator_class_set_initialize_method(
+ msg_iter_class, init_method);
+ if (ret) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Cannot set message iterator initialization method.");
+ status = BT_FUNC_STATUS_MEMORY_ERROR;
+ goto end;
+ }
+ }
+
+ if (fini_method) {
+ ret = bt_message_iterator_class_set_finalize_method(
+ msg_iter_class, fini_method);
+ if (ret) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Cannot set message iterator finalization method.");
+ status = BT_FUNC_STATUS_MEMORY_ERROR;
+ goto end;
+ }
+ }
+
+ if (seek_ns_from_origin_method) {
+ ret = bt_message_iterator_class_set_seek_ns_from_origin_methods(
+ msg_iter_class,
+ seek_ns_from_origin_method,
+ can_seek_ns_from_origin_method);
+ if (ret) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Cannot set message iterator \"seek nanoseconds from origin\" methods.");
+ status = BT_FUNC_STATUS_MEMORY_ERROR;
+ goto end;
+ }
+ }
+
+ if (seek_beginning_method) {
+ ret = bt_message_iterator_class_set_seek_beginning_methods(
+ msg_iter_class,
+ seek_beginning_method,
+ can_seek_beginning_method);
+ if (ret) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Cannot set message iterator \"seek beginning\" methods.");
+ status = BT_FUNC_STATUS_MEMORY_ERROR;
+ goto end;
+ }
+ }
+ }
+
switch (cc_full_descr->descriptor->type) {
case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ BT_ASSERT(msg_iter_class);
+
src_comp_class = bt_component_class_source_create(
- cc_full_descr->descriptor->name,
- cc_full_descr->descriptor->methods.source.msg_iter_next);
+ cc_full_descr->descriptor->name, msg_iter_class);
comp_class = bt_component_class_source_as_component_class(
src_comp_class);
break;
case BT_COMPONENT_CLASS_TYPE_FILTER:
+ BT_ASSERT(msg_iter_class);
+
flt_comp_class = bt_component_class_filter_create(
- cc_full_descr->descriptor->name,
- cc_full_descr->descriptor->methods.source.msg_iter_next);
+ cc_full_descr->descriptor->name, msg_iter_class);
comp_class = bt_component_class_filter_as_component_class(
flt_comp_class);
break;
case BT_COMPONENT_CLASS_TYPE_SINK:
+ BT_ASSERT(!msg_iter_class);
+
sink_comp_class = bt_component_class_sink_create(
cc_full_descr->descriptor->name,
cc_full_descr->descriptor->methods.sink.consume);
goto end;
}
+ /*
+ * The component class has taken a reference on the message
+ * iterator class, so we can drop ours. The message iterator
+ * class will get destroyed at the same time as the component
+ * class.
+ */
+ bt_message_iterator_class_put_ref(msg_iter_class);
+ msg_iter_class = NULL;
+
if (cc_full_descr->description) {
ret = bt_component_class_set_description(
comp_class, cc_full_descr->description);
}
}
- if (cc_full_descr->methods.source.msg_iter_initialize) {
- ret = bt_component_class_source_set_message_iterator_initialize_method(
- src_comp_class,
- cc_full_descr->methods.source.msg_iter_initialize);
- if (ret) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot set source component class's message iterator initialization method.");
- status = BT_FUNC_STATUS_MEMORY_ERROR;
- BT_OBJECT_PUT_REF_AND_RESET(src_comp_class);
- goto end;
- }
- }
-
- if (cc_full_descr->methods.source.msg_iter_finalize) {
- ret = bt_component_class_source_set_message_iterator_finalize_method(
- src_comp_class,
- cc_full_descr->methods.source.msg_iter_finalize);
- if (ret) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot set source component class's message iterator finalization method.");
- status = BT_FUNC_STATUS_MEMORY_ERROR;
- BT_OBJECT_PUT_REF_AND_RESET(src_comp_class);
- goto end;
- }
- }
-
- if (cc_full_descr->methods.source.msg_iter_seek_ns_from_origin) {
- ret = bt_component_class_source_set_message_iterator_seek_ns_from_origin_methods(
- src_comp_class,
- cc_full_descr->methods.source.msg_iter_seek_ns_from_origin,
- cc_full_descr->methods.source.msg_iter_can_seek_ns_from_origin);
- if (ret) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot set source component class's message iterator \"seek nanoseconds from origin\" methods.");
- status = BT_FUNC_STATUS_MEMORY_ERROR;
- BT_OBJECT_PUT_REF_AND_RESET(src_comp_class);
- goto end;
- }
- }
-
- if (cc_full_descr->methods.source.msg_iter_seek_beginning) {
- ret = bt_component_class_source_set_message_iterator_seek_beginning_methods(
- src_comp_class,
- cc_full_descr->methods.source.msg_iter_seek_beginning,
- cc_full_descr->methods.source.msg_iter_can_seek_beginning);
- if (ret) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot set source component class's message iterator \"seek beginning\" methods.");
- status = BT_FUNC_STATUS_MEMORY_ERROR;
- BT_OBJECT_PUT_REF_AND_RESET(src_comp_class);
- goto end;
- }
- }
-
break;
case BT_COMPONENT_CLASS_TYPE_FILTER:
if (cc_full_descr->methods.filter.get_supported_mip_versions) {
}
}
- if (cc_full_descr->methods.filter.msg_iter_initialize) {
- ret = bt_component_class_filter_set_message_iterator_initialize_method(
- flt_comp_class,
- cc_full_descr->methods.filter.msg_iter_initialize);
- if (ret) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot set filter component class's message iterator initialization method.");
- status = BT_FUNC_STATUS_MEMORY_ERROR;
- BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class);
- goto end;
- }
- }
-
- if (cc_full_descr->methods.filter.msg_iter_finalize) {
- ret = bt_component_class_filter_set_message_iterator_finalize_method(
- flt_comp_class,
- cc_full_descr->methods.filter.msg_iter_finalize);
- if (ret) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot set filter component class's message iterator finalization method.");
- status = BT_FUNC_STATUS_MEMORY_ERROR;
- BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class);
- goto end;
- }
- }
-
- if (cc_full_descr->methods.filter.msg_iter_seek_ns_from_origin) {
- ret = bt_component_class_filter_set_message_iterator_seek_ns_from_origin_methods(
- flt_comp_class,
- cc_full_descr->methods.filter.msg_iter_seek_ns_from_origin,
- cc_full_descr->methods.filter.msg_iter_can_seek_ns_from_origin);
- if (ret) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot set filter component class's message iterator \"seek nanoseconds from origin\" methods.");
- status = BT_FUNC_STATUS_MEMORY_ERROR;
- BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class);
- goto end;
- }
- }
-
- if (cc_full_descr->methods.filter.msg_iter_seek_beginning) {
- ret = bt_component_class_filter_set_message_iterator_seek_beginning_methods(
- flt_comp_class,
- cc_full_descr->methods.filter.msg_iter_seek_beginning,
- cc_full_descr->methods.filter.msg_iter_can_seek_beginning);
- if (ret) {
- BT_LIB_LOGE_APPEND_CAUSE(
- "Cannot set filter component class's message iterator \"seek beginning\" methods.");
- status = BT_FUNC_STATUS_MEMORY_ERROR;
- BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class);
- goto end;
- }
- }
-
break;
case BT_COMPONENT_CLASS_TYPE_SINK:
if (cc_full_descr->methods.sink.get_supported_mip_versions) {
break;
default:
- abort();
+ bt_common_abort();
}
/*
}
end:
+ bt_message_iterator_class_put_ref(msg_iter_class);
g_array_free(comp_class_full_descriptors, TRUE);
return status;
}
spec = plugin->spec_data;
spec->shared_lib_handle = shared_lib_handle;
- bt_object_get_no_null_check(spec->shared_lib_handle);
+ bt_object_get_ref_no_null_check(spec->shared_lib_handle);
goto end;
error:
continue;
}
- BT_LOGI("Creating plugin object for plugin: "
- "name=\"%s\", abi-major=%d, abi-minor=%d",
- descriptor->name, descriptor->major, descriptor->minor);
-
- if (descriptor->major > __BT_PLUGIN_VERSION_MAJOR) {
- if (fail_on_load_error) {
- BT_LIB_LOGW_APPEND_CAUSE(
- "Unknown ABI major version: abi-major=%d",
- descriptor->major);
- status = BT_FUNC_STATUS_ERROR;
- goto error;
- } else {
- BT_LIB_LOGW(
- "Unknown ABI major version: abi-major=%d",
- descriptor->major);
- continue;
- }
- }
-
+ BT_LOGI("Creating plugin object for plugin: name=\"%s\"",
+ descriptor->name);
plugin = bt_plugin_so_create_empty(shared_lib_handle);
if (!plugin) {
BT_LIB_LOGE_APPEND_CAUSE(
bt_list_add(&comp_class->node, &component_class_list);
comp_class->so_handle = spec->shared_lib_handle;
- bt_object_get_no_null_check(comp_class->so_handle);
+ bt_object_get_ref_no_null_check(comp_class->so_handle);
/* Add our custom destroy listener */
bt_component_class_add_destroy_listener(comp_class,