Generalized request broadcasting/forwarding.

[tinc] / src / protocol.h

diff --git a/src/protocol.h b/src/protocol.h
index 64e17ad..47f772c 100644 (file)
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -1,7 +1,7 @@
 /*
     protocol.h -- header for protocol.c
-    Copyright (C) 1999-2001 Ivo Timmermans <itimmermans@bigfoot.com>,
-                  2000,2001 Guus Sliepen <guus@sliepen.warande.net>
+    Copyright (C) 1999-2001 Ivo Timmermans <ivo@o2w.nl>,
+                  2000,2001 Guus Sliepen <guus@sliepen.eu.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: protocol.h,v 1.5.4.23 2001/10/27 12:13:17 guus Exp $
+    $Id: protocol.h,v 1.5.4.34 2002/09/04 16:26:45 guus Exp $
 */
 
 #ifndef __TINC_PROTOCOL_H__
@@ -25,13 +25,14 @@
 
 #include "net.h"
 #include "node.h"
+#include "edge.h"
 #include "subnet.h"
 
 /* Protocol version. Different versions are incompatible,
    incompatible version have different protocols.
  */
 
-#define PROT_CURRENT 11
+#define PROT_CURRENT 17
 
 /* Request numbers */
 
@@ -40,46 +41,82 @@ enum {
   ID = 0, METAKEY, CHALLENGE, CHAL_REPLY, ACK,
   STATUS, ERROR, TERMREQ,
   PING, PONG,
-  ADD_NODE, DEL_NODE,
+//  ADD_NODE, DEL_NODE,
   ADD_SUBNET, DEL_SUBNET,
-  ADD_VERTEX, DEL_VERTEX,
+  ADD_EDGE, DEL_EDGE,
   KEY_CHANGED, REQ_KEY, ANS_KEY,
   PACKET,
   LAST                               /* Guardian for the highest request number */
 };
 
+typedef struct past_request_t {
+  char *request;
+  time_t firstseen;
+} past_request_t;
+
 /* Maximum size of strings in a request */
 
-#define MAX_STRING_SIZE 1024
-#define MAX_STRING "%1024s"
-
-extern int (*request_handlers[])(connection_t*);
-
-extern int send_id(connection_t*);
-extern int send_metakey(connection_t*);
-extern int send_challenge(connection_t*);
-extern int send_chal_reply(connection_t*);
-extern int send_ack(connection_t*);
-extern int send_status(connection_t*, int, char*);
-extern int send_error(connection_t*, int, char*);
-extern int send_termreq(connection_t*);
-extern int send_ping(connection_t*);
-extern int send_pong(connection_t*);
-extern int send_add_node(connection_t*, node_t*);
-extern int send_del_node(connection_t*, node_t*);
-extern int send_add_subnet(connection_t*, subnet_t*);
-extern int send_del_subnet(connection_t*, subnet_t*);
-extern int send_add_vertex(connection_t*, node_t*);
-extern int send_del_vertex(connection_t*, node_t*);
-extern int send_key_changed(connection_t*, node_t*);
-extern int send_req_key(connection_t*, node_t*, node_t*);
-extern int send_ans_key(connection_t*, node_t*, node_t*, char*);
-extern int send_tcppacket(connection_t *, vpn_packet_t *);
+#define MAX_STRING_SIZE 2048
+#define MAX_STRING "%2048s"
 
-/* Old functions */
+/* Basic functions */
 
-extern int notify_others(connection_t *, connection_t *, int (*function)(connection_t*, connection_t*));
+extern int send_request(connection_t*, const char*, ...);
+extern int forward_request(connection_t *);
 extern int receive_request(connection_t *);
 extern int check_id(char *);
 
+extern void init_requests(void);
+extern void exit_requests(void);
+extern int seen_request(char *);
+extern void age_past_requests(void);
+
+/* Requests */
+
+extern int send_id(connection_t *);
+extern int send_metakey(connection_t *);
+extern int send_challenge(connection_t *);
+extern int send_chal_reply(connection_t *);
+extern int send_ack(connection_t *);
+extern int send_status(connection_t *, int, char *);
+extern int send_error(connection_t *, int, char *);
+extern int send_termreq(connection_t *);
+extern int send_ping(connection_t *);
+extern int send_pong(connection_t *);
+// extern int send_add_node(connection_t *, node_t *);
+// extern int send_del_node(connection_t *, node_t *);
+extern int send_add_subnet(connection_t *, subnet_t *);
+extern int send_del_subnet(connection_t *, subnet_t *);
+extern int send_add_edge(connection_t *, edge_t *);
+extern int send_del_edge(connection_t *, edge_t *);
+extern int send_key_changed(connection_t *, node_t *);
+extern int send_req_key(connection_t *, node_t *, node_t *);
+extern int send_ans_key(connection_t *, node_t *, node_t *);
+extern int send_tcppacket(connection_t *, vpn_packet_t *);
+
+/* Request handlers  */
+
+extern int (*request_handlers[])(connection_t *);
+
+extern int id_h(connection_t *);
+extern int metakey_h(connection_t *);
+extern int challenge_h(connection_t *);
+extern int chal_reply_h(connection_t *);
+extern int ack_h(connection_t *);
+extern int status_h(connection_t *);
+extern int error_h(connection_t *);
+extern int termreq_h(connection_t *);
+extern int ping_h(connection_t *);
+extern int pong_h(connection_t *);
+// extern int add_node_h(connection_t *);
+// extern int del_node_h(connection_t *);
+extern int add_subnet_h(connection_t *);
+extern int del_subnet_h(connection_t *);
+extern int add_edge_h(connection_t *);
+extern int del_edge_h(connection_t *);
+extern int key_changed_h(connection_t *);
+extern int req_key_h(connection_t *);
+extern int ans_key_h(connection_t *);
+extern int tcppacket_h(connection_t *);
+
 #endif /* __TINC_PROTOCOL_H__ */