summaryrefslogtreecommitdiffstats
path: root/wsrep-lib/wsrep-API/v26/examples/node/log.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:04:16 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:04:16 +0000
commita68fb2d8219f6bccc573009600e9f23e89226a5e (patch)
treed742d35d14ae816e99293d2b01face30e9f3a46b /wsrep-lib/wsrep-API/v26/examples/node/log.h
parentInitial commit. (diff)
downloadmariadb-10.6-upstream.tar.xz
mariadb-10.6-upstream.zip
Adding upstream version 1:10.6.11.upstream/1%10.6.11upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'wsrep-lib/wsrep-API/v26/examples/node/log.h')
-rw-r--r--wsrep-lib/wsrep-API/v26/examples/node/log.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/wsrep-lib/wsrep-API/v26/examples/node/log.h b/wsrep-lib/wsrep-API/v26/examples/node/log.h
new file mode 100644
index 00000000..09404f26
--- /dev/null
+++ b/wsrep-lib/wsrep-API/v26/examples/node/log.h
@@ -0,0 +1,69 @@
+/* Copyright (c) 2019, Codership Oy. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file This unit defines logging macros for the application and
+ * a logger callback for the wsrep provider.
+ */
+
+#ifndef NODE_LOG_H
+#define NODE_LOG_H
+
+#include "../../wsrep_api.h"
+
+/**
+ * REPLICATION: a logger callback for wsrep provider
+ */
+extern void
+node_log_cb(wsrep_log_level_t severity, const char* message);
+
+/**
+ * Applicaton log function intended to be used through the macros defined below.
+ * For simplicity it uses log levels defined by wsrep API, but it does not have
+ * to. */
+extern void
+node_log (wsrep_log_level_t level,
+ const char* file,
+ const char* function,
+ const int line,
+ ...);
+
+/**
+ * This variable made global to avoid calling node_log() when debug logging
+ * is disabled. */
+extern wsrep_log_level_t node_log_max_level;
+#define NODE_DO_LOG_DEBUG (WSREP_LOG_DEBUG <= node_log_max_level)
+
+/**
+ * Base logging macro that records current file, function and line number */
+#define NODE_LOG(level, ...)\
+ node_log(level, __FILE__, __func__, __LINE__, __VA_ARGS__, NULL)
+
+/**
+ * @name Logging macros.
+ * Must be implemented as macros to report the location of the code where
+ * they are called.
+ */
+/*@{*/
+#define NODE_FATAL(...) NODE_LOG(WSREP_LOG_FATAL, __VA_ARGS__, NULL)
+#define NODE_ERROR(...) NODE_LOG(WSREP_LOG_ERROR, __VA_ARGS__, NULL)
+#define NODE_WARN(...) NODE_LOG(WSREP_LOG_WARN, __VA_ARGS__, NULL)
+#define NODE_INFO(...) NODE_LOG(WSREP_LOG_INFO, __VA_ARGS__, NULL)
+#define NODE_DEBUG(...) if (NODE_DO_LOG_DEBUG) \
+ { NODE_LOG(WSREP_LOG_DEBUG, __VA_ARGS__, NULL); }
+/*@}*/
+
+#endif /* NODE_LOG_H */