third draft

include/maat_command.h

@@ -0,0 +1,56 @@
+/*
+**********************************************************************************************
+*	File: maat_command.h
+*   Description: 
+*	Authors: Liu WenTan <liuwentan@geedgenetworks.com>
+*	Date:    2022-10-31
+*   Copyright: (c) Since 2022 Geedge Networks, Ltd. All rights reserved.
+***********************************************************************************************
+*/
+
+#ifndef _MAAT_COMMAND_H_
+#define _MAAT_COMMAND_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <limits.h>
+
+#include "maat.h"
+
+enum maat_operation {
+	MAAT_OP_DEL = 0,
+	MAAT_OP_ADD,
+	MAAT_OP_RENEW_TIMEOUT	//Rule expire time is changed to now+cmd->expire_after
+};
+
+struct maat_cmd_line {
+	const char *table_name;
+	const char *table_line;
+	long long rule_id;		// for MAAT_OP_DEL, only rule_id and table_name are necessary.
+	int expire_after;	//expired after $timeout$ seconds, set to 0 for never timeout.
+};
+
+/**
+ * @brief write one line to redis
+ * 
+ * @retval 
+ *      success: number of successfully updated rule.
+ *      failed: -1
+*/
+int maat_cmd_set_line(struct maat *maat_instance, const struct maat_cmd_line *line_rule);
+
+int maat_cmd_set_file(struct maat *maat_instance, const char *key, const char *value, 
+                      size_t size, enum maat_operation op);
+                      
+long long maat_cmd_incrby(struct maat *maat_instance, const char *key, int increment);
+
+int maat_cmd_flushDB(struct maat *maat_instance);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif