/*
+ * SPDX-License-Identifier: MIT
+ *
* Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
* Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#define BT_LOG_TAG "LIB/PLUGIN-SO"
#include <babeltrace2/plugin/plugin-dev.h>
#include "lib/graph/component-class.h"
#include <babeltrace2/graph/component-class.h>
-#include <babeltrace2/graph/component-class-source.h>
-#include <babeltrace2/graph/component-class-filter.h>
-#include <babeltrace2/graph/component-class-sink.h>
#include <babeltrace2/types.h>
#include "common/list.h"
#include <string.h>
+#include <stdbool.h>
#include <stdlib.h>
#include <glib.h>
#include <gmodule.h>
* component class is removed from this list, the shared library handle
* object's reference count falls to zero and the shared library is
* finally closed.
+ *
+ * We're not using a GLib linked list here because this destructor is
+ * called after GLib's thread-specific data is destroyed, which contains
+ * the allocated memory for GLib data structures (what's used by
+ * g_slice_alloc()).
*/
static
int status = BT_FUNC_STATUS_OK;
BT_ASSERT(shared_lib_handle);
- BT_LOGI("Creating shared library handle: path=\"%s\"", path);
+ BT_LOGI("Creating shared library handle: path=\"%s\"", path ? path : "(null)");
*shared_lib_handle = g_new0(struct bt_plugin_so_shared_lib_handle, 1);
if (!*shared_lib_handle) {
BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one shared library handle.");
BT_ASSERT(*shared_lib_handle || status != BT_FUNC_STATUS_OK);
if (*shared_lib_handle) {
BT_LOGI("Created shared library handle: path=\"%s\", addr=%p",
- path, *shared_lib_handle);
+ path ? path : "(null)", *shared_lib_handle);
}
return status;
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;
}
projects / babeltrace.git / blobdiff