JNIEXPORT void JNICALL Java_ow_ipmulticast_Native_leaveGroup(JNIEnv *env, jclass clazz,
jint group, jint ifLocalAddr, jint ifIndex) {
struct uvif u;
u.uv_ifindex = (int)ifIndex;
u.uv_lcl_addr = (uint32_t)htonl(ifLocalAddr);
k_leave(sock_dgram_send, (uint32_t)htonl(group), &u);
}
void
stop_vif(mifi_t vifi)
{
struct uvif *v;
struct listaddr *a;
register pim_nbr_entry_t *n;
register pim_nbr_entry_t *next;
struct vif_acl *acl;
/*
* TODO: make sure that the kernel viftable is
* consistent with the daemon table
*/
v = &uvifs[vifi];
if (!(v->uv_flags & MIFF_REGISTER)) {
k_leave(pim6_socket, &allpim6routers_group.sin6_addr,
v->uv_ifindex);
k_leave(mld6_socket, &allrouters_group.sin6_addr,
v->uv_ifindex);
/*
* Discard all group addresses. (No need to tell kernel;
* the k_del_vif() call will clean up kernel state.)
*/
while (v->uv_groups != NULL) {
a = v->uv_groups;
v->uv_groups = a->al_next;
/* reset all the timers */
if (a->al_query) {
timer_clearTimer(a->al_query);
}
if (a->al_comp) {
timer_clearTimer(a->al_comp);
}
if (a->al_timerid) {
timer_clearTimer(a->al_timerid);
}
/* frees all the related sources */
while (a->sources != NULL) {
struct listaddr *curr = a->sources;
a->sources = a->sources->al_next;
free((char *)curr);
}
a->sources = NULL;
/* discard the group */
free((char *)a);
}
v->uv_groups = NULL;
}
/*
* TODO: inform (eventually) the neighbors I am going down by sending
* PIM_HELLO with holdtime=0 so someone else should become a DR.
*/
/* TODO: dummy! Implement it!! Any problems if don't use it? */
delete_vif_from_mrt(vifi);
/*
* Delete the interface from the kernel's vif structure.
*/
k_del_vif(mld6_socket, vifi);
v->uv_flags = (v->uv_flags & ~VIFF_QUERIER & ~VIFF_NONBRS) | VIFF_DOWN;
if (!(v->uv_flags & MIFF_REGISTER)) {
RESET_TIMER(v->uv_pim_hello_timer);
RESET_TIMER(v->uv_jp_timer);
RESET_TIMER(v->uv_gq_timer);
for (n = v->uv_pim_neighbors; n != NULL; n = next) {
/* Free the space for each neighbour */
next = n->next;
delete_pim6_nbr(n);
}
v->uv_pim_neighbors = NULL;
}
if (v->uv_querier != NULL) {
free(v->uv_querier);
v->uv_querier = NULL;
}
/* I/F address list */
{
struct phaddr *pa, *pa_next;
for (pa = v->uv_addrs; pa; pa = pa_next) {
pa_next = pa->pa_next;
free(pa);
}
}
v->uv_addrs = NULL;
v->uv_linklocal = NULL; /* uv_linklocal must be in uv_addrs */
/* TODO: currently not used */
/* The Access Control List (list with the scoped addresses) */
while (v->uv_acl != NULL) {
acl = v->uv_acl;
v->uv_acl = acl->acl_next;
free((char *)acl);
}
vifs_down = TRUE;
IF_DEBUG(DEBUG_IF)
log_msg(LOG_DEBUG, 0, "%s goes down, vif #%u out of service",
v->uv_name, vifi);
}
