diff options
author | Avneesh Sachdev <avneesh@opensourcerouting.org> | 2012-04-09 00:25:15 -0700 |
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committer | Avneesh Sachdev <avneesh@opensourcerouting.org> | 2012-04-09 00:25:15 -0700 |
commit | 3cf6c2b4e43f44a977d218c96c26250654ae333e (patch) | |
tree | e017cde2015fbf3ef6c250327428d7c6152aa8f7 /babeld/resend.h | |
parent | 01d7ff0a2166a422c56bd26f04fc22832a9e690b (diff) | |
parent | e96b312150d8e376c1ef463793d1929eca3618d5 (diff) |
Merge branch 'quagga' into google-bgp-multipath
Conflicts:
bgpd/bgp_route.c
Diffstat (limited to 'babeld/resend.h')
-rw-r--r-- | babeld/resend.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/babeld/resend.h b/babeld/resend.h new file mode 100644 index 00000000..a6755c0e --- /dev/null +++ b/babeld/resend.h @@ -0,0 +1,77 @@ +/* + * This file is free software: you may copy, redistribute and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation, either version 2 of the License, or (at your + * option) any later version. + * + * This file is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * This file incorporates work covered by the following copyright and + * permission notice: + * +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. +*/ + +#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); |