src/client.h

   1 /*
   2  * Author: Steven Barth <steven at midlink.org>
   3  *
   4  * Copyright 2015 Deutsche Telekom AG
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *  http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #pragma once
  21 #include <stdbool.h>
  22 #include <stdlib.h>
  23 #include <netinet/in.h>
  24 #include "omcproxy.h"
  25
  26 #define PROXY_MAX_SOURCES 1000
  27
  28
  29 struct client {
  30         int igmp_fd;
  31         int mld_fd;
  32         int ifindex;
  33 };
  34
  35 // Register a new interface to proxy
  36 int client_init(struct client *client, int ifindex);
  37
  38 // Deregister a new interface from proxy
  39 void client_deinit(struct client *client);
  40
  41 // Set / update / delete a multicast proxy entry
  42 int client_set(struct client *client, const struct in6_addr *group, bool include,
  43                 const struct in6_addr sources[], size_t cnt);
  44
  45 // Unmap IPv4 address
  46 static inline void client_unmap(struct in_addr *addr4, const struct in6_addr *addr6)
  47 {
  48         addr4->s_addr = addr6->s6_addr32[3];
  49 }