--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extensions/app_redirect/app_redir.h	Mon Feb 21 18:31:18 2011 +0900
@@ -0,0 +1,121 @@
+/*********************************************************************************************************
+* Software License Agreement (BSD License)                                                               *
+* Author: Sebastien Decugis <sdecugis@nict.go.jp>							 *
+*													 *
+* Copyright (c) 2011, WIDE Project and NICT								 *
+* All rights reserved.											 *
+* 													 *
+* Redistribution and use of this software in source and binary forms, with or without modification, are  *
+* permitted provided that the following conditions are met:						 *
+* 													 *
+* * Redistributions of source code must retain the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer.										 *
+*    													 *
+* * 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.								 *
+* 													 *
+* * Neither the name of the WIDE Project or NICT nor the 						 *
+*   names of its contributors may be used to endorse or 						 *
+*   promote products derived from this software without 						 *
+*   specific prior written permission of WIDE Project and 						 *
+*   NICT.												 *
+* 													 *
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.								 *
+*********************************************************************************************************/
+
+/* Header file for the app_redirect extension. 
+ *
+ *  See the app_redirect.conf.sample file for the format of the configuration file.
+ */
+ 
+/* FreeDiameter's common include file */
+#include <freeDiameter/extension.h>
+
+/* Host configuration for this specific extension */
+#include <ard-host.h>
+#include <regex.h>
+
+/* Extension's configuration */
+struct ard_config {
+	uint32_t	default_rct; /* redirect-cache-time to use unless overwritten by a rule */
+	struct fd_list  rules;	     /* the list of rules in the order they appear in the conf file. */
+};
+extern struct ard_config * ard_conf; /* initialized in ard_conf.y */
+
+/* The types of redirects (from Redirect-Host-Usage AVP value) */
+enum redir_h_u {
+	DONT_CACHE = 0,
+	ALL_SESSION,
+	ALL_REALM,
+	REALM_AND_APPLICATION,
+	ALL_APPLICATION,
+	ALL_HOST,
+	ALL_USER
+};
+#define H_U_MAX	ALL_USER
+
+/* A rule */
+struct ard_rule {
+	struct fd_list	chain; /* link in configuration */
+	
+	enum redir_h_u 	type; /* What kind of rule is this? */
+	uint32_t	rct;  /* overwrite default_rct is not 0 */
+	
+	struct fd_list  criteria; /* list of criteria to match. The rule is applied if all criteria match */
+	
+	struct fd_list  targets;  /* list of Redirect-Host values to send. */
+};
+
+/* What kind of criteria exist */
+enum rule_criteria { /* note: the order of the values reflects the complexity of matching -- it should be kept this way */
+	APP_ID,
+	FROM_ID,
+	FROM_REALM,
+	AVP_INT,
+	AVP_STR
+};
+
+/* A criteria in the list */
+struct ard_criteria {
+	struct fd_list  chain; /* link in ard_rule->criteria */
+	enum rule_criteria type; /* What is this rule */
+	
+	/* the data that must be matched -- everything is not used by all criteria types */
+	char * s;
+	size_t sl;
+	int is_regex;
+	regex_t  preg;
+	uint32_t i;
+	struct dict_avp_data avp_info;
+};
+
+/* A target entry in the ard_rule->targets list */
+struct ard_target {
+	struct fd_list chain;
+	os0_t  s; /* must be freed afterwards */
+	size_t l;
+};
+
+/* The AVPs we use */
+extern struct dict_object * avp_Redirect_Host;
+extern struct dict_object * avp_Redirect_Host_Usage;
+extern struct dict_object * avp_Redirect_Max_Cache_Time;
+
+/* Parse the configuration file */
+int ard_conf_handle(char * conffile);
+
+/* Dump a rule (debug) */
+void ard_rule_dump(struct ard_rule * r);
+
+/* Check if a rule applies, and if found, create the reply */
+int ard_rule_apply(void * cbdata, struct msg ** msg);