* SOFTWARE.
*/
-/*
- * This is just to satisfy the preprocessor check in "lib/logging.h":
- * this file does not log anything.
- */
-#define BT_LOG_TAG ""
+#define BT_LOG_TAG "LIB/LIB-LOGGING"
+#include "lib/logging.h"
#include <stdarg.h>
#include <stdio.h>
#include <wchar.h>
#include <glib.h>
#include "common/common.h"
-#include "lib/value.h"
-#include "lib/value.h"
-#include "lib/object-pool.h"
#include <babeltrace2/trace-ir/event-const.h>
#include <babeltrace2/trace-ir/packet-const.h>
#include <babeltrace2/trace-ir/stream-const.h>
+#include <babeltrace2/current-thread.h>
+#include "logging.h"
+#include "assert-pre.h"
+#include "assert-post.h"
+#include "value.h"
+#include "object-pool.h"
#include "graph/component-class.h"
#include "graph/component-class-sink-colander.h"
#include "graph/component-filter.h"
#include "graph/message/stream-activity.h"
#include "graph/message/stream.h"
#include "graph/port.h"
-#include "lib-logging.h"
#include "plugin/plugin.h"
#include "plugin/plugin-so.h"
#include "trace-ir/clock-class.h"
#include "trace-ir/trace-class.h"
#include "trace-ir/trace.h"
#include "trace-ir/utils.h"
+#include "error.h"
#include "assert-pre.h"
#define LIB_LOGGING_BUF_SIZE (4096 * 4)
}
}
+static inline void format_error_cause(char **buf_ch, bool extended,
+ const char *prefix, const struct bt_error_cause *cause)
+{
+ const struct bt_error_cause_component_class_id *comp_class_id = NULL;
+
+ BUF_APPEND(", %sactor-type=%s, %smodule-name=\"%s\"",
+ PRFIELD(bt_error_cause_actor_type_string(cause->actor_type)),
+ PRFIELD_GSTRING(cause->module_name));
+
+ if (!extended) {
+ return;
+ }
+
+ BUF_APPEND(", %spartial-msg=\"%.32s\"",
+ PRFIELD_GSTRING(cause->message));
+
+ switch (cause->actor_type) {
+ case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT:
+ {
+ const struct bt_error_cause_component_actor *spec_cause =
+ (const void *) cause;
+
+ BUF_APPEND(", %scomp-name=\"%s\"",
+ PRFIELD_GSTRING(spec_cause->comp_name));
+ comp_class_id = &spec_cause->comp_class_id;
+ break;
+ }
+ case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS:
+ {
+ const struct bt_error_cause_component_class_actor *spec_cause =
+ (const void *) cause;
+
+ comp_class_id = &spec_cause->comp_class_id;
+ break;
+ }
+ case BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR:
+ {
+ const struct bt_error_cause_message_iterator_actor *spec_cause =
+ (const void *) cause;
+
+ BUF_APPEND(", %scomp-name=\"%s\", %scomp-out-port-name=\"%s\"",
+ PRFIELD_GSTRING(spec_cause->comp_name),
+ PRFIELD_GSTRING(spec_cause->output_port_name));
+ comp_class_id = &spec_cause->comp_class_id;
+ break;
+ }
+ default:
+ break;
+ }
+
+ if (comp_class_id) {
+ BUF_APPEND(", %scomp-cls-type=%s, %scomp-cls-name=\"%s\", "
+ "%splugin-name=\"%s\"",
+ PRFIELD(bt_component_class_type_string(
+ comp_class_id->type)),
+ PRFIELD_GSTRING(comp_class_id->name),
+ PRFIELD_GSTRING(comp_class_id->plugin_name));
+ }
+}
+
static inline void handle_conversion_specifier_bt(void *priv_data,
char **buf_ch, size_t avail_size,
const char **out_fmt_ch, va_list *args)
case 'O':
format_object(buf_ch, extended, prefix, obj);
break;
+ case 'r':
+ format_error_cause(buf_ch, extended, prefix, obj);
+ break;
default:
abort();
}
va_end(args);
_bt_log_write_d(func, file, line, lvl, tag, "%s", lib_logging_buf);
}
+
+void bt_lib_maybe_log_and_append_cause(const char *func, const char *file,
+ unsigned line, int lvl, const char *tag,
+ const char *fmt, ...)
+{
+ va_list args;
+ bt_current_thread_error_append_cause_status status;
+
+ BT_ASSERT(fmt);
+ va_start(args, fmt);
+ bt_common_custom_vsnprintf(lib_logging_buf, LIB_LOGGING_BUF_SIZE, '!',
+ handle_conversion_specifier_bt, NULL, fmt, &args);
+ va_end(args);
+
+ /* Log conditionally, but always append the error cause */
+ if (BT_LOG_ON(lvl)) {
+ _bt_log_write_d(func, file, line, lvl, tag, "%s",
+ lib_logging_buf);
+ }
+
+ status = bt_current_thread_error_append_cause_from_unknown(
+ "Babeltrace library", file, line, "%s", lib_logging_buf);
+ if (status) {
+ /*
+ * Worst case: this error cause is not appended to the
+ * current thread's error.
+ *
+ * We can accept this as it's an almost impossible
+ * scenario and returning an error here would mean you
+ * need to check the return value of each
+ * BT_LIB_LOG*_APPEND_CAUSE() macro and that would be
+ * cumbersome.
+ */
+ BT_LOGE("Cannot append error cause to current thread's "
+ "error object: status=%s",
+ bt_common_func_status_string(status));
+ }
+}