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Annotation of embedaddon/quagga/babeld/message.h, revision 1.1.1.1

1.1       misho       1: /*  
                      2:  *  This file is free software: you may copy, redistribute and/or modify it  
                      3:  *  under the terms of the GNU General Public License as published by the  
                      4:  *  Free Software Foundation, either version 2 of the License, or (at your  
                      5:  *  option) any later version.  
                      6:  *  
                      7:  *  This file is distributed in the hope that it will be useful, but  
                      8:  *  WITHOUT ANY WARRANTY; without even the implied warranty of  
                      9:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  
                     10:  *  General Public License for more details.  
                     11:  *  
                     12:  *  You should have received a copy of the GNU General Public License  
                     13:  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.  
                     14:  *  
                     15:  * This file incorporates work covered by the following copyright and  
                     16:  * permission notice:  
                     17:  *  
                     18: Copyright (c) 2007, 2008 by Juliusz Chroboczek
                     19: 
                     20: Permission is hereby granted, free of charge, to any person obtaining a copy
                     21: of this software and associated documentation files (the "Software"), to deal
                     22: in the Software without restriction, including without limitation the rights
                     23: to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
                     24: copies of the Software, and to permit persons to whom the Software is
                     25: furnished to do so, subject to the following conditions:
                     26: 
                     27: The above copyright notice and this permission notice shall be included in
                     28: all copies or substantial portions of the Software.
                     29: 
                     30: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
                     31: IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
                     32: FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
                     33: AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
                     34: LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
                     35: OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
                     36: THE SOFTWARE.
                     37: */
                     38: 
                     39: #ifndef BABEL_MESSAGE_H
                     40: #define BABEL_MESSAGE_H
                     41: 
                     42: #include "babel_interface.h"
                     43: 
                     44: #define MAX_BUFFERED_UPDATES 200
                     45: 
                     46: #define BUCKET_TOKENS_MAX 200
                     47: #define BUCKET_TOKENS_PER_SEC 40
                     48: 
                     49: #define MESSAGE_PAD1 0
                     50: #define MESSAGE_PADN 1
                     51: #define MESSAGE_ACK_REQ 2
                     52: #define MESSAGE_ACK 3
                     53: #define MESSAGE_HELLO 4
                     54: #define MESSAGE_IHU 5
                     55: #define MESSAGE_ROUTER_ID 6
                     56: #define MESSAGE_NH 7
                     57: #define MESSAGE_UPDATE 8
                     58: #define MESSAGE_REQUEST 9
                     59: #define MESSAGE_MH_REQUEST 10
                     60: 
                     61: 
                     62: extern unsigned short myseqno;
                     63: extern struct timeval seqno_time;
                     64: 
                     65: extern int broadcast_ihu;
                     66: extern int split_horizon;
                     67: 
                     68: extern unsigned char packet_header[4];
                     69: 
                     70: extern struct neighbour *unicast_neighbour;
                     71: extern struct timeval unicast_flush_timeout;
                     72: 
                     73: void parse_packet(const unsigned char *from, struct interface *ifp,
                     74:                   const unsigned char *packet, int packetlen);
                     75: void flushbuf(struct interface *ifp);
                     76: void flushupdates(struct interface *ifp);
                     77: void send_ack(struct neighbour *neigh, unsigned short nonce,
                     78:               unsigned short interval);
                     79: void send_hello_noupdate(struct interface *ifp, unsigned interval);
                     80: void send_hello(struct interface *ifp);
                     81: void flush_unicast(int dofree);
                     82: void send_update(struct interface *ifp, int urgent,
                     83:                  const unsigned char *prefix, unsigned char plen);
                     84: void send_update_resend(struct interface *ifp,
                     85:                         const unsigned char *prefix, unsigned char plen);
                     86: void send_wildcard_retraction(struct interface *ifp);
                     87: void update_myseqno(void);
                     88: void send_self_update(struct interface *ifp);
                     89: void send_ihu(struct neighbour *neigh, struct interface *ifp);
                     90: void send_marginal_ihu(struct interface *ifp);
                     91: void send_request(struct interface *ifp,
                     92:                   const unsigned char *prefix, unsigned char plen);
                     93: void send_unicast_request(struct neighbour *neigh,
                     94:                           const unsigned char *prefix, unsigned char plen);
                     95: void send_multihop_request(struct interface *ifp,
                     96:                            const unsigned char *prefix, unsigned char plen,
                     97:                            unsigned short seqno, const unsigned char *id,
                     98:                            unsigned short hop_count);
                     99: void
                    100: send_unicast_multihop_request(struct neighbour *neigh,
                    101:                               const unsigned char *prefix, unsigned char plen,
                    102:                               unsigned short seqno, const unsigned char *id,
                    103:                               unsigned short hop_count);
                    104: void send_request_resend(struct neighbour *neigh,
                    105:                          const unsigned char *prefix, unsigned char plen,
                    106:                          unsigned short seqno, unsigned char *id);
                    107: void handle_request(struct neighbour *neigh, const unsigned char *prefix,
                    108:                     unsigned char plen, unsigned char hop_count,
                    109:                     unsigned short seqno, const unsigned char *id);
                    110: 
                    111: #endif