aboutsummaryrefslogtreecommitdiffstats
path: root/ctrl/facemgr/src/common.h
diff options
context:
space:
mode:
Diffstat (limited to 'ctrl/facemgr/src/common.h')
-rw-r--r--ctrl/facemgr/src/common.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/ctrl/facemgr/src/common.h b/ctrl/facemgr/src/common.h
new file mode 100644
index 000000000..a73964b6d
--- /dev/null
+++ b/ctrl/facemgr/src/common.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2017-2019 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.
+ */
+
+/**
+ * \file common.h
+ * \file Common definitions used throughout the code
+ */
+#ifndef FACEMGR_COMMON_H
+#define FACEMGR_COMMON_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "util/types.h"
+#include "util/ip_address.h"
+#include "util/token.h" // XXX debug
+
+//#define DEBUG
+
+/* Return value conventions */
+#define FACEMGR_SUCCESS 0
+#define FACEMGR_FAILURE -1
+#define FACEMGR_IS_ERROR(rc) (rc < 0)
+
+/* Useful types and macros for comparisons */
+typedef int(*cmp_t)(const void * x, const void * y);
+
+#define INT_CMP(x, y) x < y ? -1 : (x == y ? 0 : 1)
+
+/* Dump with indent */
+#define INDENT(n, fmt) "%*s" fmt, n, ""
+#define printfi(n, fmt, ...) printf(INDENT(n*4, fmt), ##__VA_ARGS__)
+
+/* Boilerplate code */
+
+#define NO_INITIALIZE(NAME) \
+int \
+NAME ## _initialize(NAME ## _t * obj) { \
+ return FACEMGR_SUCCESS; \
+}
+
+#define NO_FINALIZE(NAME) \
+int \
+NAME ## _finalize(NAME ## _t * obj) { \
+ return FACEMGR_SUCCESS; \
+}
+
+#define AUTOGENERATE_CREATE_FREE(NAME) \
+ \
+NAME ## _t * \
+NAME ## _create() \
+{ \
+ NAME ## _t * obj = malloc(sizeof(NAME ## _t)); \
+ if (!obj) \
+ goto ERR_MALLOC; \
+ \
+ if (FACEMGR_IS_ERROR(NAME ## _initialize(obj))) \
+ goto ERR_INIT; \
+ \
+ return obj; \
+ \
+ERR_INIT: \
+ free(obj); \
+ERR_MALLOC: \
+ return NULL; \
+} \
+ \
+void \
+NAME ## _free(NAME ## _t * obj) \
+{ \
+ if (FACEMGR_IS_ERROR(NAME ## _finalize(obj))) \
+ (void)0; /* XXX */ \
+ free(obj); \
+} \
+
+#define AUTOGENERATE_DEFS(NAME) \
+int NAME ## _initialize(NAME ## _t *); \
+int NAME ## _finalize(NAME ## _t *); \
+NAME ## _t * NAME ## _create(); \
+void NAME ## _free(NAME ## _t *); \
+
+#endif /* FACEMGR_COMMON_H */