Add logging support

Change-Id: Ieac9cf50156dbbb4962411e900d59256441915ef
Signed-off-by: Damjan Marion <damarion@cisco.com>
Signed-off-by: Klement Sekera <ksekera@cisco.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/src/vlib/log.h b/src/vlib/log.h
new file mode 100644
index 00000000000..90862dcc9ec
--- /dev/null
+++ b/src/vlib/log.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_vlib_log_h
+#define included_vlib_log_h
+
+#include <vppinfra/types.h>
+
+typedef u32 vlib_log_class_t;
+
+#define foreach_vlib_log_level \
+  _(0, EMERG, emerg) \
+  _(1, ALERT, alert) \
+  _(2, CRIT, crit) \
+  _(3, ERR, err) \
+  _(4, WARNING, warn) \
+  _(5, NOTICE, notice) \
+  _(6, INFO, info) \
+  _(7, DEBUG, debug)
+
+typedef enum
+{
+#define _(n,uc,lc) VLIB_LOG_LEVEL_##uc = n,
+  foreach_vlib_log_level
+#undef _
+} vlib_log_level_t;
+
+
+vlib_log_class_t vlib_log_register_class (char *vlass, char *subclass);
+u32 vlib_log_get_indent ();
+void vlib_log (vlib_log_level_t level, vlib_log_class_t class, char *fmt,
+	       ...);
+
+#define vlib_log_emerg(...) vlib_log(VLIB_LOG_LEVEL_EMERG, __VA_ARGS__)
+#define vlib_log_alert(...) vlib_log(VLIB_LOG_LEVEL_ALERT, __VA_ARGS__)
+#define vlib_log_crit(...) vlib_log(VLIB_LOG_LEVEL_CRIT, __VA_ARGS__)
+#define vlib_log_err(...) vlib_log(VLIB_LOG_LEVEL_ERR, __VA_ARGS__)
+#define vlib_log_warn(...) vlib_log(VLIB_LOG_LEVEL_WARN, __VA_ARGS__)
+#define vlib_log_notice(...) vlib_log(VLIB_LOG_LEVEL_NOTICE, __VA_ARGS__)
+#define vlib_log_info(...) vlib_log(VLIB_LOG_LEVEL_INFO, __VA_ARGS__)
+#define vlib_log_debug(...) vlib_log(VLIB_LOG_LEVEL_DEBUG, __VA_ARGS__)
+
+#endif /* included_vlib_log_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */