#include <unistd.h>
#include <glib.h>
+#include "component-class-sink-simple.h"
#include "component.h"
#include "component-sink.h"
#include "connection.h"
#include "graph.h"
+#include "interrupter.h"
#include "message/event.h"
#include "message/packet.h"
const void *, void *);
typedef enum bt_component_class_init_method_status
-(*comp_init_method_t)(const void *, const void *, void *);
+(*comp_init_method_t)(const void *, void *, const void *, void *);
struct bt_graph_listener {
bt_graph_listener_removed_func removed;
*/
BT_LIB_LOGI("Destroying graph: %!+g", graph);
obj->ref_count++;
-
- /*
- * Cancel the graph to disallow some operations, like creating
- * message iterators and adding ports to components.
- */
- (void) bt_graph_cancel((void *) graph);
+ graph->config_state = BT_GRAPH_CONFIGURATION_STATE_DESTROYING;
/* Call all remove listeners */
CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added,
graph->components = NULL;
}
+ if (graph->interrupters) {
+ BT_LOGD_STR("Putting interrupters.");
+ g_ptr_array_free(graph->interrupters, TRUE);
+ graph->interrupters = NULL;
+ }
+
+ BT_OBJECT_PUT_REF_AND_RESET(graph->default_interrupter);
+
if (graph->sinks_to_consume) {
g_queue_free(graph->sinks_to_consume);
graph->sinks_to_consume = NULL;
bt_message_unlink_graph(msg);
}
-struct bt_graph *bt_graph_create(void)
+struct bt_graph *bt_graph_create(uint64_t mip_version)
{
struct bt_graph *graph;
int ret;
+ BT_ASSERT_PRE(mip_version <= bt_get_maximal_mip_version(),
+ "Unknown MIP version: mip-version=%" PRIu64 ", "
+ "max-mip-version=%" PRIu64,
+ mip_version, bt_get_maximal_mip_version());
BT_LOGI_STR("Creating graph object.");
graph = g_new0(struct bt_graph, 1);
if (!graph) {
}
bt_object_init_shared(&graph->base, destroy_graph);
+ graph->mip_version = mip_version;
graph->connections = g_ptr_array_new_with_free_func(
(GDestroyNotify) bt_object_try_spec_release);
if (!graph->connections) {
goto error;
}
+ graph->interrupters = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) bt_object_put_no_null_check);
+ if (!graph->interrupters) {
+ BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
+ goto error;
+ }
+
+ graph->default_interrupter = bt_interrupter_create();
+ if (!graph->default_interrupter) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Failed to create one interrupter object.");
+ goto error;
+ }
+
+ bt_graph_add_interrupter(graph, graph->default_interrupter);
ret = bt_object_pool_initialize(&graph->event_msg_pool,
(bt_object_pool_new_object_func) bt_message_event_new,
(bt_object_pool_destroy_object_func) destroy_message_event,
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(upstream_port, "Upstream port");
BT_ASSERT_PRE_NON_NULL(downstream_port, "Downstream port port");
- BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph);
BT_ASSERT_PRE(
graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING,
"Graph is not in the \"configuring\" state: %!+g", graph);
return status;
}
-enum bt_graph_consume_status bt_graph_consume(struct bt_graph *graph)
+enum bt_graph_run_once_status bt_graph_run_once(struct bt_graph *graph)
{
- enum bt_graph_consume_status status;
+ enum bt_graph_run_once_status status;
BT_ASSERT_PRE_DEV_NON_NULL(graph, "Graph");
- BT_ASSERT_PRE_DEV(!graph->canceled, "Graph is canceled: %!+g", graph);
BT_ASSERT_PRE_DEV(graph->can_consume,
"Cannot consume graph in its current state: %!+g", graph);
BT_ASSERT_PRE_DEV(graph->config_state !=
enum bt_graph_run_status status;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
- BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph);
BT_ASSERT_PRE(graph->can_consume,
"Cannot consume graph in its current state: %!+g", graph);
BT_ASSERT_PRE(graph->config_state != BT_GRAPH_CONFIGURATION_STATE_FAULTY,
do {
/*
- * Check if the graph is canceled at each iteration. If
- * the graph was canceled by another thread or by a
- * signal handler, this is not a warning nor an error,
- * it was intentional: log with a DEBUG level only.
+ * Check if the graph is interrupted at each iteration.
+ * If the graph was interrupted by another thread or by
+ * a signal handler, this is NOT a warning nor an error;
+ * it was intentional: log with an INFO level only.
*/
- if (G_UNLIKELY(graph->canceled)) {
- BT_LIB_LOGI("Stopping the graph: graph is canceled: "
- "%!+g", graph);
- status = BT_FUNC_STATUS_CANCELED;
+ if (G_UNLIKELY(bt_graph_is_interrupted(graph))) {
+ BT_LIB_LOGI("Stopping the graph: "
+ "graph was interrupted: %!+g", graph);
+ status = BT_FUNC_STATUS_AGAIN;
goto end;
}
struct bt_graph *graph,
bt_graph_source_component_output_port_added_listener_func func,
bt_graph_listener_removed_func listener_removed, void *data,
- int *out_listener_id)
+ bt_listener_id *out_listener_id)
{
struct bt_graph_listener_port_added listener = {
.base = {
},
.func = (port_added_func_t) func,
};
- int listener_id;
+ bt_listener_id listener_id;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(func, "Listener");
struct bt_graph *graph,
bt_graph_filter_component_output_port_added_listener_func func,
bt_graph_listener_removed_func listener_removed, void *data,
- int *out_listener_id)
+ bt_listener_id *out_listener_id)
{
struct bt_graph_listener_port_added listener = {
.base = {
},
.func = (port_added_func_t) func,
};
- int listener_id;
+ bt_listener_id listener_id;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(func, "Listener");
struct bt_graph *graph,
bt_graph_filter_component_input_port_added_listener_func func,
bt_graph_listener_removed_func listener_removed, void *data,
- int *out_listener_id)
+ bt_listener_id *out_listener_id)
{
struct bt_graph_listener_port_added listener = {
.base = {
},
.func = (port_added_func_t) func,
};
- int listener_id;
+ bt_listener_id listener_id;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(func, "Listener");
struct bt_graph *graph,
bt_graph_sink_component_input_port_added_listener_func func,
bt_graph_listener_removed_func listener_removed, void *data,
- int *out_listener_id)
+ bt_listener_id *out_listener_id)
{
struct bt_graph_listener_port_added listener = {
.base = {
},
.func = (port_added_func_t) func,
};
- int listener_id;
+ bt_listener_id listener_id;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(func, "Listener");
struct bt_graph *graph,
bt_graph_source_filter_component_ports_connected_listener_func func,
bt_graph_listener_removed_func listener_removed, void *data,
- int *out_listener_id)
+ bt_listener_id *out_listener_id)
{
struct bt_graph_listener_ports_connected listener = {
.base = {
},
.func = (ports_connected_func_t) func,
};
- int listener_id;
+ bt_listener_id listener_id;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(func, "Listener");
struct bt_graph *graph,
bt_graph_source_sink_component_ports_connected_listener_func func,
bt_graph_listener_removed_func listener_removed, void *data,
- int *out_listener_id)
+ bt_listener_id *out_listener_id)
{
struct bt_graph_listener_ports_connected listener = {
.base = {
},
.func = (ports_connected_func_t) func,
};
- int listener_id;
+ bt_listener_id listener_id;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(func, "Listener");
struct bt_graph *graph,
bt_graph_filter_filter_component_ports_connected_listener_func func,
bt_graph_listener_removed_func listener_removed, void *data,
- int *out_listener_id)
+ bt_listener_id *out_listener_id)
{
struct bt_graph_listener_ports_connected listener = {
.base = {
},
.func = (ports_connected_func_t) func,
};
- int listener_id;
+ bt_listener_id listener_id;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(func, "Listener");
struct bt_graph *graph,
bt_graph_filter_sink_component_ports_connected_listener_func func,
bt_graph_listener_removed_func listener_removed, void *data,
- int *out_listener_id)
+ bt_listener_id *out_listener_id)
{
struct bt_graph_listener_ports_connected listener = {
.base = {
},
.func = (ports_connected_func_t) func,
};
- int listener_id;
+ bt_listener_id listener_id;
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(func, "Listener");
return status;
}
-enum bt_graph_cancel_status bt_graph_cancel(struct bt_graph *graph)
-{
- BT_ASSERT_PRE_NON_NULL(graph, "Graph");
- graph->canceled = true;
- BT_LIB_LOGI("Canceled graph: %!+i", graph);
- return BT_FUNC_STATUS_OK;
-}
-
-bt_bool bt_graph_is_canceled(const struct bt_graph *graph)
-{
- BT_ASSERT_PRE_DEV_NON_NULL(graph, "Graph");
- return graph->canceled ? BT_TRUE : BT_FALSE;
-}
-
BT_HIDDEN
void bt_graph_remove_connection(struct bt_graph *graph,
struct bt_connection *connection)
g_ptr_array_remove(graph->connections, connection);
}
-BT_ASSERT_PRE_FUNC
static inline
bool component_name_exists(struct bt_graph *graph, const char *name)
{
comp_init_method_t init_method,
const char *name, const struct bt_value *params,
void *init_method_data, bt_logging_level log_level,
- struct bt_component **user_component)
+ const struct bt_component **user_component)
{
int status = BT_FUNC_STATUS_OK;
enum bt_component_class_init_method_status init_status;
BT_ASSERT(comp_cls);
BT_ASSERT_PRE_NON_NULL(graph, "Graph");
BT_ASSERT_PRE_NON_NULL(name, "Name");
- BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph);
BT_ASSERT_PRE(
graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING,
"Graph is not in the \"configuring\" state: %!+g", graph);
bt_value_freeze(params);
if (init_method) {
+ /*
+ * There is no use for config objects right now, so just pass
+ * NULL.
+ */
BT_LOGD_STR("Calling user's initialization method.");
- init_status = init_method(component, params, init_method_data);
+ init_status = init_method(component, NULL, params, init_method_data);
BT_LOGD("User method returned: status=%s",
bt_common_func_status_string(init_status));
if (init_status != BT_FUNC_STATUS_OK) {
/*
* If it's a sink component, it needs to be part of the graph's
- * sink queue to be consumed by bt_graph_consume().
+ * sink queue to be consumed by bt_graph_run() or
+ * bt_graph_run_once().
*/
if (bt_component_is_sink(component)) {
graph->has_sink = true;
struct bt_graph *graph,
const struct bt_component_class_source *comp_cls,
const char *name, const struct bt_value *params,
- bt_logging_level log_level,
+ enum bt_logging_level log_level,
const struct bt_component_source **component)
{
return bt_graph_add_source_component_with_init_method_data(
struct bt_graph *graph,
const struct bt_component_class_filter *comp_cls,
const char *name, const struct bt_value *params,
- void *init_method_data, bt_logging_level log_level,
+ void *init_method_data, enum bt_logging_level log_level,
const struct bt_component_filter **component)
{
BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
struct bt_graph *graph,
const struct bt_component_class_filter *comp_cls,
const char *name, const struct bt_value *params,
- bt_logging_level log_level,
+ enum bt_logging_level log_level,
const struct bt_component_filter **component)
{
return bt_graph_add_filter_component_with_init_method_data(
struct bt_graph *graph,
const struct bt_component_class_sink *comp_cls,
const char *name, const struct bt_value *params,
- void *init_method_data, bt_logging_level log_level,
+ void *init_method_data, enum bt_logging_level log_level,
const struct bt_component_sink **component)
{
BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
struct bt_graph *graph,
const struct bt_component_class_sink *comp_cls,
const char *name, const struct bt_value *params,
- bt_logging_level log_level,
+ enum bt_logging_level log_level,
const struct bt_component_sink **component)
{
return bt_graph_add_sink_component_with_init_method_data(
graph, comp_cls, name, params, NULL, log_level, component);
}
+enum bt_graph_add_component_status
+bt_graph_add_simple_sink_component(struct bt_graph *graph, const char *name,
+ bt_graph_simple_sink_component_init_func init_func,
+ bt_graph_simple_sink_component_consume_func consume_func,
+ bt_graph_simple_sink_component_finalize_func finalize_func,
+ void *user_data, const bt_component_sink **component)
+{
+ enum bt_graph_add_component_status status;
+ struct bt_component_class_sink *comp_cls;
+ struct simple_sink_init_method_data init_method_data = {
+ .init_func = init_func,
+ .consume_func = consume_func,
+ .finalize_func = finalize_func,
+ .user_data = user_data,
+ };
+
+ /*
+ * Other preconditions are checked by
+ * bt_graph_add_sink_component_with_init_method_data().
+ */
+ BT_ASSERT_PRE_NON_NULL(consume_func, "Consume function");
+
+ comp_cls = bt_component_class_sink_simple_borrow();
+ if (!comp_cls) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Cannot borrow simple sink component class.");
+ status = BT_FUNC_STATUS_MEMORY_ERROR;
+ goto end;
+ }
+
+ status = bt_graph_add_sink_component_with_init_method_data(graph,
+ comp_cls, name, NULL, &init_method_data,
+ BT_LOGGING_LEVEL_NONE, component);
+
+end:
+ return status;
+}
+
BT_HIDDEN
int bt_graph_remove_unconnected_component(struct bt_graph *graph,
struct bt_component *component)
g_ptr_array_add(graph->messages, msg);
}
+BT_HIDDEN
+bool bt_graph_is_interrupted(const struct bt_graph *graph)
+{
+ BT_ASSERT(graph);
+ return bt_interrupter_array_any_is_set(graph->interrupters);
+}
+
+enum bt_graph_add_interrupter_status bt_graph_add_interrupter(
+ struct bt_graph *graph, const struct bt_interrupter *intr)
+{
+ BT_ASSERT_PRE_NON_NULL(graph, "Graph");
+ BT_ASSERT_PRE_NON_NULL(intr, "Interrupter");
+ g_ptr_array_add(graph->interrupters, (void *) intr);
+ bt_object_get_no_null_check(intr);
+ BT_LIB_LOGD("Added interrupter to graph: %![graph-]+g, %![intr-]+z",
+ graph, intr);
+ return BT_FUNC_STATUS_OK;
+}
+
+void bt_graph_interrupt(struct bt_graph *graph)
+{
+ BT_ASSERT_PRE_NON_NULL(graph, "Graph");
+ bt_interrupter_set(graph->default_interrupter);
+ BT_LIB_LOGI("Interrupted graph: %!+g", graph);
+}
+
void bt_graph_get_ref(const struct bt_graph *graph)
{
bt_object_get_ref(graph);
projects / babeltrace.git / blobdiff