1 files changed, 72 insertions, 0 deletions
diff --git a/usr.sbin/nscd/agent.h b/usr.sbin/nscd/agent.h
new file mode 100644
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+++ b/usr.sbin/nscd/agent.h
@@ -0,0 +1,72 @@
+/*-
+ * Copyright (c) 2005 Michael Bushkov <bushman@rsu.ru>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef __CACHED_AGENT_H__
+#define __CACHED_AGENT_H__
+
+/*
+ * Agents are used to perform the actual lookups from the caching daemon.
+ * There are two types of daemons: for common requests and for multipart
+ * requests.
+ * All agents are stored in the agents table, which is the singleton.
+ */
+
+enum agent_type {
+    COMMON_AGENT = 0,
+    MULTIPART_AGENT = 1
+};
+
+struct agent {
+   	char	*name;
+    	enum agent_type type;
+};
+
+struct common_agent {
+    	struct agent	parent;
+	int (*lookup_func)(const char *, size_t, char **, size_t *);
+};
+
+struct multipart_agent {
+    	struct agent	parent;
+	void *(*mp_init_func)();
+    	int (*mp_lookup_func)(char **, size_t *, void *);
+	void (*mp_destroy_func)(void *);
+};
+
+struct agent_table {
+   	struct agent	**agents;
+	size_t		agents_num;
+};
+
+extern struct agent_table *init_agent_table();
+extern void register_agent(struct agent_table *, struct agent *);
+extern struct agent *find_agent(struct agent_table *, const char *,
+	enum agent_type);
+extern void destroy_agent_table(struct agent_table *);
+
+#endif