1 files changed, 65 insertions, 0 deletions
diff --git a/babeld/resend.h b/babeld/resend.h
new file mode 100644
index 0000000..72b6986
--- /dev/null
+++ b/babeld/resend.h
@@ -0,0 +1,65 @@
+/*
+Copyright (c) 2007, 2008 by Juliusz Chroboczek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+#ifndef BABEL_RESEND_H
+#define BABEL_RESEND_H
+
+#define REQUEST_TIMEOUT 65000
+#define RESEND_MAX 3
+
+#define RESEND_REQUEST 1
+#define RESEND_UPDATE 2
+
+struct resend {
+    unsigned char kind;
+    unsigned char max;
+    unsigned short delay;
+    struct timeval time;
+    unsigned char prefix[16];
+    unsigned char plen;
+    unsigned short seqno;
+    unsigned char id[8];
+    struct interface *ifp;
+    struct resend *next;
+};
+
+extern struct timeval resend_time;
+
+struct resend *find_request(const unsigned char *prefix, unsigned char plen,
+                            struct resend **previous_return);
+void flush_resends(struct neighbour *neigh);
+int record_resend(int kind, const unsigned char *prefix, unsigned char plen,
+                   unsigned short seqno, const unsigned char *id,
+                   struct interface *ifp, int delay);
+int unsatisfied_request(const unsigned char *prefix, unsigned char plen,
+                        unsigned short seqno, const unsigned char *id);
+int request_redundant(struct interface *ifp,
+                      const unsigned char *prefix, unsigned char plen,
+                      unsigned short seqno, const unsigned char *id);
+int satisfy_request(const unsigned char *prefix, unsigned char plen,
+                    unsigned short seqno, const unsigned char *id,
+                    struct interface *ifp);
+
+void expire_resend(void);
+void recompute_resend_time(void);
+void do_resend(void);
+
+#endif /* BABEL_RESEND_H */