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Annotation of embedaddon/quagga/babeld/resend.h, revision 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: #define REQUEST_TIMEOUT 65000
        !            40: #define RESEND_MAX 3
        !            41: 
        !            42: #define RESEND_REQUEST 1
        !            43: #define RESEND_UPDATE 2
        !            44: 
        !            45: struct resend {
        !            46:     unsigned char kind;
        !            47:     unsigned char max;
        !            48:     unsigned short delay;
        !            49:     struct timeval time;
        !            50:     unsigned char prefix[16];
        !            51:     unsigned char plen;
        !            52:     unsigned short seqno;
        !            53:     unsigned char id[8];
        !            54:     struct interface *ifp;
        !            55:     struct resend *next;
        !            56: };
        !            57: 
        !            58: extern struct timeval resend_time;
        !            59: 
        !            60: struct resend *find_request(const unsigned char *prefix, unsigned char plen,
        !            61:                             struct resend **previous_return);
        !            62: void flush_resends(struct neighbour *neigh);
        !            63: int record_resend(int kind, const unsigned char *prefix, unsigned char plen,
        !            64:                    unsigned short seqno, const unsigned char *id,
        !            65:                    struct interface *ifp, int delay);
        !            66: int unsatisfied_request(const unsigned char *prefix, unsigned char plen,
        !            67:                         unsigned short seqno, const unsigned char *id);
        !            68: int request_redundant(struct interface *ifp,
        !            69:                       const unsigned char *prefix, unsigned char plen,
        !            70:                       unsigned short seqno, const unsigned char *id);
        !            71: int satisfy_request(const unsigned char *prefix, unsigned char plen,
        !            72:                     unsigned short seqno, const unsigned char *id,
        !            73:                     struct interface *ifp);
        !            74: 
        !            75: void expire_resend(void);
        !            76: void recompute_resend_time(void);
        !            77: void do_resend(void);