2 *------------------------------------------------------------------
3 * Copyright (c) 2018 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
18 #include <igmp/igmp_src.h>
19 #include <igmp/igmp_group.h>
20 #include <igmp/igmp.h>
23 igmp_src_free (igmp_src_t * src)
25 igmp_main_t *im = &igmp_main;
27 IGMP_DBG ("free-src: (%U)", format_igmp_key, src->key);
29 igmp_timer_retire (&src->timers[IGMP_SRC_TIMER_EXP]);
31 clib_mem_free (src->key);
32 pool_put (im->srcs, src);
36 igmp_src_exp (u32 obj, void *dat)
41 src = pool_elt_at_index (igmp_main.srcs, obj);
42 group = igmp_group_get (src->group);
44 IGMP_DBG ("src-exp: %U", format_igmp_key, src->key);
46 igmp_timer_retire (&src->timers[IGMP_SRC_TIMER_EXP]);
48 if (IGMP_MODE_ROUTER == src->mode)
50 igmp_config_t *config;
54 * inform interest parties
56 group = igmp_group_get (src->group);
57 config = igmp_config_get (group->config);
59 igmp_event (IGMP_FILTER_MODE_EXCLUDE,
60 config->sw_if_index, src->key, group->key);
62 igmp_proxy_device_block_src (config, group, src);
65 igmp_group_src_remove (group, src);
68 if (0 == igmp_group_n_srcs (group, IGMP_FILTER_MODE_INCLUDE))
69 igmp_group_clear (group);
73 igmp_src_alloc (u32 group_index, const igmp_key_t * skey, igmp_mode_t mode)
75 igmp_main_t *im = &igmp_main;
78 IGMP_DBG ("new-src: (%U)", format_igmp_key, skey);
80 pool_get (im->srcs, src);
81 clib_memset (src, 0, sizeof (igmp_src_t));
83 src->key = clib_mem_alloc (sizeof (*skey));
84 src->group = group_index;
85 clib_memcpy (src->key, skey, sizeof (*skey));
87 if (IGMP_MODE_ROUTER == mode)
89 igmp_config_t *config;
92 * start a timer that determines whether the source is still
95 src->timers[IGMP_SRC_TIMER_EXP] =
96 igmp_timer_schedule (igmp_timer_type_get (IGMP_TIMER_SRC),
97 src - im->srcs, igmp_src_exp, NULL);
100 * inform interest parties
102 group = igmp_group_get (src->group);
103 config = igmp_config_get (group->config);
105 igmp_event (IGMP_FILTER_MODE_INCLUDE,
106 config->sw_if_index, src->key, group->key);
110 src->timers[IGMP_SRC_TIMER_EXP] = IGMP_TIMER_ID_INVALID;
117 igmp_src_refresh (igmp_src_t * src)
119 IGMP_DBG ("refresh-src: (%U)", format_igmp_key, src->key);
121 igmp_timer_retire (&src->timers[IGMP_SRC_TIMER_EXP]);
123 src->timers[IGMP_SRC_TIMER_EXP] =
124 igmp_timer_schedule (igmp_timer_type_get (IGMP_TIMER_SRC),
125 igmp_src_index (src), igmp_src_exp, NULL);
129 igmp_src_blocked (igmp_src_t * src)
131 IGMP_DBG ("block-src: (%U)", format_igmp_key, src->key);
133 igmp_timer_retire (&src->timers[IGMP_SRC_TIMER_EXP]);
135 src->timers[IGMP_SRC_TIMER_EXP] =
136 igmp_timer_schedule (igmp_timer_type_get (IGMP_TIMER_LEAVE),
137 igmp_src_index (src), igmp_src_exp, NULL);
141 igmp_src_index (igmp_src_t * src)
143 return (src - igmp_main.srcs);
147 format_igmp_src (u8 * s, va_list * args)
149 igmp_src_t *src = va_arg (*args, igmp_src_t *);
150 u32 indent = va_arg (*args, u32);
152 s = format (s, "%U%U %U",
153 format_white_space, indent,
154 format_igmp_key, src->key,
155 format_igmp_timer_id, src->timers[IGMP_SRC_TIMER_EXP]);
161 * fd.io coding-style-patch-verification: ON
164 * eval: (c-set-style "gnu")