lib: add internal object pool API and use it; adapt plugins/tests
[babeltrace.git] / include / babeltrace / babeltrace.h
index 9522628f9740e0ce21ab4edf669647eaa8fa14e6..cd910280777577f8f879f35c0f8f1b6ce6c79124 100644 (file)
@@ -1,10 +1,10 @@
-#ifndef _BABELTRACE_H
-#define _BABELTRACE_H
+#ifndef BABELTRACE_BABELTRACE_H
+#define BABELTRACE_BABELTRACE_H
 
 /*
- * BabelTrace API
+ * Babeltrace API
  *
- * Copyright 2010-2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2017 EfficiOS Inc. <http://www.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
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
- */
-
-#include <glib.h>
-#include <stdint.h>
-
-typedef GQuark bt_event_name;
-
-/* Forward declarations */
-struct babeltrace_iter;
-struct trace_collection;
-struct ctf_stream_event;
-struct ctf_stream;
-struct babeltrace_saved_pos;
-struct bt_dependencies;
-
-enum bt_cb_ret {
-       BT_CB_OK                = 0,
-       BT_CB_OK_STOP           = 1,
-       BT_CB_ERROR_STOP        = 2,
-       BT_CB_ERROR_CONTINUE    = 3,
-};
-
-struct trace_collection_pos {
-       enum {
-               BT_SEEK_TIME,           /* uses u.seek_time */
-               BT_SEEK_RESTORE,        /* uses u.restore */
-               BT_SEEK_CUR,
-               BT_SEEK_BEGIN,
-               BT_SEEK_END,
-       } type;
-       union {
-               uint64_t seek_time;
-               struct babeltrace_saved_pos *restore;
-       } u;
-};
-
-struct bt_ctf_data {
-       struct ctf_stream_event *event;
-       struct ctf_stream *stream;
-};
-
-/*
- * babeltrace_iter_create - Allocate a trace collection iterator.
- *
- * begin_pos and end_pos are optional parameters to specify the position
- * at which the trace collection should be seeked upon iterator
- * creation, and the position at which iteration will start returning
- * "EOF".
- *
- * By default, if begin_pos is NULL, a BT_SEEK_CUR is performed at
- * creation. By default, if end_pos is NULL, a BT_SEEK_END (end of
- * trace) is the EOF criterion.
- */
-struct babeltrace_iter *babeltrace_iter_create(struct trace_collection *tc,
-               struct trace_collection_pos *begin_pos,
-               struct trace_collection_pos *end_pos);
-
-/*
- * babeltrace_iter_destroy - Free a trace collection iterator.
- */
-void babeltrace_iter_destroy(struct babeltrace_iter *iter);
-
-/*
- * babeltrace_iter_next: Move trace collection position to the next event.
- *
- * Returns 0 on success, a negative value on error
- */
-int babeltrace_iter_next(struct babeltrace_iter *iter);
-
-/*
- * babeltrace_iter_save_pos - Save the current trace collection position.
  *
- * The position returned by this function needs to be freed by
- * babeltrace_iter_free_pos after use.
- */
-struct trace_collection_pos *
-       babeltrace_iter_save_pos(struct babeltrace_iter *iter);
-
-/*
- * babeltrace_iter_free_pos - Free the position.
- */
-void babeltrace_iter_free_pos(struct trace_collection_pos *pos);
-
-/*
- * babeltrace_iter_seek: seek iterator to given position.
- *
- * Return EOF if position is after the last event of the trace collection.
- * Return other negative value for other errors.
- * Return 0 for success.
- */
-int babeltrace_iter_seek(struct babeltrace_iter *iter,
-               const struct trace_collection_pos *pos);
-
-/*
- * babeltrace_iter_read_event: Read the iterator's current event data.
- *
- * @iter: trace collection iterator (input)
- * @stream: stream containing event at current position (output)
- * @event: current event (output)
- * Return 0 on success, negative error value on error.
- */
-int babeltrace_iter_read_event(struct babeltrace_iter *iter,
-               struct ctf_stream **stream,
-               struct ctf_stream_event **event);
-
-/*
- * Receives a variable number of strings as parameter, ended with NULL.
- */
-struct bt_dependencies *babeltrace_dependencies_create(const char *first, ...);
-
-/*
- * struct bt_dependencies must be destroyed explicitly if not passed as
- * parameter to a babeltrace_iter_add_callback().
- */
-void babeltrace_dependencies_destroy(struct bt_dependencies *dep);
-
-/*
- * babeltrace_iter_add_callback: Add a callback to iterator.
- *
- * @iter: trace collection iterator (input)
- * @event: event to target. 0 for all events.
- * @private_data: private data pointer to pass to the callback
- * @flags: specific flags controlling the behavior of this callback
- *         (or'd).
- *            
- * @callback: function pointer to call
- * @depends: struct bt_dependency detailing the required computation results.
- *           Ends with 0.
- * @weak_depends: struct bt_dependency detailing the optional computation
- *                results that can be optionally consumed by this
- *                callback.
- * @provides: struct bt_dependency detailing the computation results
- *            provided by this callback.
- *            Ends with 0.
- *
- * "depends", "weak_depends" and "provides" memory is handled by the
- * babeltrace library after this call succeeds or fails. These objects
- * can still be used by the caller until the babeltrace iterator is
- * destroyed, but they belong to the babeltrace library.
- *
- * (note to implementor: we need to keep a gptrarray of struct
- * bt_dependencies to "garbage collect" in struct babeltrace_iter, and
- * dependencies need to have a refcount to handle the case where they
- * would be passed to more than one iterator. Upon iterator detroy, we
- * iterate on all the gc ptrarray and decrement the refcounts, freeing
- * if we reach 0.)
- * (note to implementor: we calculate the dependency graph when
- * babeltrace_iter_read_event() is executed after a
- * babeltrace_iter_add_callback(). Beware that it is valid to create/add
- * callbacks/read/add more callbacks/read some more.)
- */
-int babeltrace_iter_add_callback(struct babeltrace_iter *iter,
-               bt_event_name event, void *private_data, int flags,
-               enum bt_cb_ret (*callback)(struct bt_ctf_data *ctf_data,
-                                          void *caller_data),
-               struct bt_dependencies *depends,
-               struct bt_dependencies *weak_depends,
-               struct bt_dependencies *provides);
-
-/*
- * For flags parameter above.
+ * 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.
  */
-enum {
-       BT_FLAGS_FREE_PRIVATE_DATA      = (1 << 0),
-};
 
-#endif /* _BABELTRACE_H */
+/* Core API */
+#include <babeltrace/logging.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/types.h>
+#include <babeltrace/values.h>
+#include <babeltrace/version.h>
+
+/* Legacy API (for CTF writer) */
+#include <babeltrace/ctf/events.h>
+
+/* CTF writer API */
+#include <babeltrace/ctf-writer/clock-class.h>
+#include <babeltrace/ctf-writer/clock.h>
+#include <babeltrace/ctf-writer/event-fields.h>
+#include <babeltrace/ctf-writer/event-types.h>
+#include <babeltrace/ctf-writer/event.h>
+#include <babeltrace/ctf-writer/field-types.h>
+#include <babeltrace/ctf-writer/fields.h>
+#include <babeltrace/ctf-writer/stream-class.h>
+#include <babeltrace/ctf-writer/stream.h>
+#include <babeltrace/ctf-writer/trace.h>
+#include <babeltrace/ctf-writer/writer.h>
+
+/* CTF IR API */
+#include <babeltrace/ctf-ir/clock-class.h>
+#include <babeltrace/ctf-ir/clock-value.h>
+#include <babeltrace/ctf-ir/clock.h>
+#include <babeltrace/ctf-ir/event-class.h>
+#include <babeltrace/ctf-ir/event-header-field.h>
+#include <babeltrace/ctf-ir/event.h>
+#include <babeltrace/ctf-ir/field-path.h>
+#include <babeltrace/ctf-ir/field-types.h>
+#include <babeltrace/ctf-ir/fields.h>
+#include <babeltrace/ctf-ir/packet-context-field.h>
+#include <babeltrace/ctf-ir/packet-header-field.h>
+#include <babeltrace/ctf-ir/packet.h>
+#include <babeltrace/ctf-ir/stream-class.h>
+#include <babeltrace/ctf-ir/stream.h>
+#include <babeltrace/ctf-ir/trace.h>
+#include <babeltrace/ctf-ir/utils.h>
+#include <babeltrace/ctf-ir/visitor.h>
+
+/* Plugin and plugin development API */
+#include <babeltrace/plugin/plugin-dev.h>
+#include <babeltrace/plugin/plugin.h>
+
+/* Graph, component, and notification API */
+#include <babeltrace/graph/clock-class-priority-map.h>
+#include <babeltrace/graph/component-class-filter.h>
+#include <babeltrace/graph/component-class-sink.h>
+#include <babeltrace/graph/component-class-source.h>
+#include <babeltrace/graph/component-class.h>
+#include <babeltrace/graph/component-filter.h>
+#include <babeltrace/graph/component-sink.h>
+#include <babeltrace/graph/component-source.h>
+#include <babeltrace/graph/component-status.h>
+#include <babeltrace/graph/component.h>
+#include <babeltrace/graph/connection.h>
+#include <babeltrace/graph/graph.h>
+#include <babeltrace/graph/notification-discarded-events.h>
+#include <babeltrace/graph/notification-discarded-packets.h>
+#include <babeltrace/graph/notification-event.h>
+#include <babeltrace/graph/notification-heap.h>
+#include <babeltrace/graph/notification-inactivity.h>
+#include <babeltrace/graph/notification-iterator.h>
+#include <babeltrace/graph/notification-packet.h>
+#include <babeltrace/graph/notification-stream.h>
+#include <babeltrace/graph/notification.h>
+#include <babeltrace/graph/output-port-notification-iterator.h>
+#include <babeltrace/graph/port.h>
+#include <babeltrace/graph/private-component-filter.h>
+#include <babeltrace/graph/private-component-sink.h>
+#include <babeltrace/graph/private-component-source.h>
+#include <babeltrace/graph/private-component.h>
+#include <babeltrace/graph/private-connection-notification-iterator.h>
+#include <babeltrace/graph/private-connection-private-notification-iterator.h>
+#include <babeltrace/graph/private-connection.h>
+#include <babeltrace/graph/private-port.h>
+#include <babeltrace/graph/query-executor.h>
+
+#endif /* BABELTRACE_BABELTRACE_H */
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