//---------------------------------------------------------------------------------------------------------------------
static int pmip_cache_delete_each(void *data, void *arg)
//---------------------------------------------------------------------------------------------------------------------
{
pmip_entry_t *bce = (pmip_entry_t *) data;
if (is_mag()) {
//Delete existing route & rule for the deleted MN
mag_remove_route(&bce->mn_addr, bce->link);
int usercount = tunnel_getusers(bce->tunnel);
dbg("# of binding entries %d \n", usercount);
if (usercount == 1) {
route_del(bce->tunnel, RT6_TABLE_PMIP, IP6_RT_PRIO_MIP6_FWD, &in6addr_any, 0, &in6addr_any, 0, NULL);
}
//decrement users of old tunnel.
pmip_tunnel_del(bce->tunnel);
}
//Delete existing route for the deleted MN
if (is_lma()) {
lma_remove_route(&bce->mn_addr, bce->tunnel);
//decrement users of old tunnel.
pmip_tunnel_del(bce->tunnel);
}
//Delete the Entry.
free_iov_data((struct iovec *) &bce->mh_vec, bce->iovlen);
pmip_bce_delete(bce);
return 0;
}
//---------------------------------------------------------------------------------------------------------------------
void pmip_cleanup(void)
//---------------------------------------------------------------------------------------------------------------------
{
// Anh Khuong: add
if (is_lma()) {
#ifdef LMA_BUFFERING
pmip_buffering_cleanup();
#endif
#ifdef USE_PMIP_RO
if (!undefined_RO)
pmip_ro_cleanup();
#endif
}
if (is_mag()) {
#ifdef NAMYEONG_PAPER
pmip_buffering_cleanup();
#endif
}
// Anh Khuong: end
//Release the pmip cache ==> deletes the routes and rules and "default route on PMIP" and tunnels created.
dbg("Release all occupied resources...\n");
//delete the default rule.
dbg("Remove default rule...\n");
rule_del(NULL, RT6_TABLE_MIP6, IP6_RULE_PRIO_MIP6_FWD, RTN_UNICAST, &in6addr_any, 0, &in6addr_any, 0, 0);
dbg("Release pmip_cache...\n");
pmip_cache_iterate(pmip_cache_delete_each, NULL);
//#undef HAVE_PCAP_BREAKLOOP
#define HAVE_PCAP_BREAKLOOP
#ifdef HAVE_PCAP_BREAKLOOP
/*
* We have "pcap_breakloop()"; use it, so that we do as little
* as possible in the signal handler (it's probably not safe
* to do anything with standard I/O streams in a signal handler -
* the ANSI C standard doesn't say it is).
*/
if (is_mag()) {
pcap_breakloop(pcap_descr);
}
#endif
}
void conf_show(struct mip6_config *c)
{
/* Common options */
dbg("config_file = %s\n", c->config_file);
#ifdef ENABLE_VT
dbg("vt_hostname = %s\n", c->vt_hostname);
dbg("vt_service = %s\n", c->vt_service);
#endif
dbg("mip6_entity = %u\n", c->mip6_entity);
dbg("debug_level = %u\n", c->debug_level);
dbg("debug_log_file = %s\n", (c->debug_log_file ? c->debug_log_file :
"stderr"));
if (c->pmgr.so_path)
dbg("PolicyModulePath = %s\n", c->pmgr.so_path);
dbg("DefaultBindingAclPolicy = %u\n", c->DefaultBindingAclPolicy);
dbg("NonVolatileBindingCache = %s\n",
CONF_BOOL_STR(c->NonVolatileBindingCache));
/* IPsec options */
dbg("KeyMngMobCapability = %s\n",
CONF_BOOL_STR(c->KeyMngMobCapability));
dbg("UseMnHaIPsec = %s\n", CONF_BOOL_STR(c->UseMnHaIPsec));
/* MN options */
dbg("MnMaxHaBindingLife = %u\n", c->MnMaxHaBindingLife);
dbg("MnMaxCnBindingLife = %u\n", c->MnMaxCnBindingLife);
dbg("MnRouterProbes = %u\n", c->MnRouterProbes);
dbg("MnRouterProbeTimeout = %f\n",
tstodsec(c->MnRouterProbeTimeout_ts));
dbg("InitialBindackTimeoutFirstReg = %f\n",
tstodsec(c->InitialBindackTimeoutFirstReg_ts));
dbg("InitialBindackTimeoutReReg = %f\n",
tstodsec(c->InitialBindackTimeoutReReg_ts));
if (c->MoveModulePath)
dbg("MoveModulePath = %s\n", c->MoveModulePath);
dbg("UseCnBuAck = %s\n", CONF_BOOL_STR(c->CnBuAck));
dbg("DoRouteOptimizationMN = %s\n",
CONF_BOOL_STR(c->DoRouteOptimizationMN));
dbg("MnUseAllInterfaces = %s\n", CONF_BOOL_STR(c->MnUseAllInterfaces));
dbg("MnDiscardHaParamProb = %s\n",
CONF_BOOL_STR(c->MnDiscardHaParamProb));
dbg("SendMobPfxSols = %s\n", CONF_BOOL_STR(c->SendMobPfxSols));
dbg("OptimisticHandoff = %s\n", CONF_BOOL_STR(c->OptimisticHandoff));
/* HA options */
dbg("SendMobPfxAdvs = %s\n", CONF_BOOL_STR(c->SendMobPfxAdvs));
dbg("SendUnsolMobPfxAdvs = %s\n",
CONF_BOOL_STR(c->SendUnsolMobPfxAdvs));
dbg("MaxMobPfxAdvInterval = %u\n", c->MaxMobPfxAdvInterval);
dbg("MinMobPfxAdvInterval = %u\n", c->MinMobPfxAdvInterval);
dbg("HaMaxBindingLife = %u\n", c->HaMaxBindingLife);
/* CN options */
dbg("DoRouteOptimizationCN = %s\n",
CONF_BOOL_STR(c->DoRouteOptimizationCN));
/* PMIP options */
dbg("AllLmaMulticastAddress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->AllLmaMulticastAddress));
dbg("LmaAddress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->LmaAddress));
if (is_mag()) {
dbg("MagAddressIngress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->MagAddressIngress));
dbg("MagAddressEgress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->MagAddressEgress));
}
dbg("OurAddress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->OurAddress));
dbg("HomeNetworkPrefix = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->HomeNetworkPrefix));
dbg("PBULifeTime = %u seconds\n",c->PBULifeTime.tv_sec);
dbg("PBALifeTime = %u seconds\n",c->PBALifeTime.tv_sec);
dbg("NRetransmissionTime = %u seconds\n",c->NRetransmissionTime.tv_sec);
dbg("MaxMessageRetransmissions = %u\n", c->MaxMessageRetransmissions);
dbg("TunnelingEnabled = %s\n", CONF_BOOL_STR(c->TunnelingEnabled));
dbg("DynamicTunnelingEnabled = %s\n", CONF_BOOL_STR(c->DynamicTunnelingEnabled));
dbg("RadiusClientConfigFile = %s\n", (c->RadiusClientConfigFile ? c->RadiusClientConfigFile :
"No Config file"));
dbg("RadiusPassword = %s\n", (c->RadiusPassword ? c->RadiusPassword :
"******"));
}
void conf_show(struct mip6_config *c)
{
int i;
/* Common options */
dbg("config_file = %s\n", c->config_file);
#ifdef ENABLE_VT
dbg("vt_hostname = %s\n", c->vt_hostname);
dbg("vt_service = %s\n", c->vt_service);
#endif
dbg("mip6_entity = %u\n", c->mip6_entity);
dbg("debug_level = %u\n", c->debug_level);
dbg("debug_log_file = %s\n", (c->debug_log_file ? c->debug_log_file :
"stderr"));
if (c->pmgr.so_path)
dbg("PolicyModulePath = %s\n", c->pmgr.so_path);
dbg("DefaultBindingAclPolicy = %u\n", c->DefaultBindingAclPolicy);
dbg("NonVolatileBindingCache = %s\n",
CONF_BOOL_STR(c->NonVolatileBindingCache));
/* IPsec options */
dbg("KeyMngMobCapability = %s\n",
CONF_BOOL_STR(c->KeyMngMobCapability));
dbg("UseMnHaIPsec = %s\n", CONF_BOOL_STR(c->UseMnHaIPsec));
/* MN options */
dbg("MnMaxHaBindingLife = %u\n", c->MnMaxHaBindingLife);
dbg("MnMaxCnBindingLife = %u\n", c->MnMaxCnBindingLife);
dbg("MnRouterProbes = %u\n", c->MnRouterProbes);
dbg("MnRouterProbeTimeout = %f\n",
tstodsec(c->MnRouterProbeTimeout_ts));
dbg("InitialBindackTimeoutFirstReg = %f\n",
tstodsec(c->InitialBindackTimeoutFirstReg_ts));
dbg("InitialBindackTimeoutReReg = %f\n",
tstodsec(c->InitialBindackTimeoutReReg_ts));
if (c->MoveModulePath)
dbg("MoveModulePath = %s\n", c->MoveModulePath);
dbg("UseCnBuAck = %s\n", CONF_BOOL_STR(c->CnBuAck));
dbg("DoRouteOptimizationMN = %s\n",
CONF_BOOL_STR(c->DoRouteOptimizationMN));
dbg("MnUseAllInterfaces = %s\n", CONF_BOOL_STR(c->MnUseAllInterfaces));
dbg("MnDiscardHaParamProb = %s\n",
CONF_BOOL_STR(c->MnDiscardHaParamProb));
dbg("SendMobPfxSols = %s\n", CONF_BOOL_STR(c->SendMobPfxSols));
dbg("OptimisticHandoff = %s\n", CONF_BOOL_STR(c->OptimisticHandoff));
dbg("MobRtrUseExplicitMode = %s\n",
CONF_BOOL_STR(c->MobRtrUseExplicitMode));
/* HA options */
dbg("SendMobPfxAdvs = %s\n", CONF_BOOL_STR(c->SendMobPfxAdvs));
dbg("SendUnsolMobPfxAdvs = %s\n",
CONF_BOOL_STR(c->SendUnsolMobPfxAdvs));
dbg("MaxMobPfxAdvInterval = %u\n", c->MaxMobPfxAdvInterval);
dbg("MinMobPfxAdvInterval = %u\n", c->MinMobPfxAdvInterval);
dbg("HaMaxBindingLife = %u\n", c->HaMaxBindingLife);
dbg("HaAcceptMobRtr = %s\n", CONF_BOOL_STR(c->HaAcceptMobRtr));
/* CN options */
dbg("DoRouteOptimizationCN = %s\n",
CONF_BOOL_STR(c->DoRouteOptimizationCN));
/* PMIP options */
dbg("RFC5213TimestampBasedApproachInUse = %s\n",CONF_BOOL_STR(c->RFC5213TimestampBasedApproachInUse));
dbg("RFC5213MobileNodeGeneratedTimestampInUse = %s\n",CONF_BOOL_STR(c->RFC5213MobileNodeGeneratedTimestampInUse));
dbg("RFC5213FixedMAGLinkLocalAddressOnAllAccessLinks = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->RFC5213FixedMAGLinkLocalAddressOnAllAccessLinks));
dbg("RFC5213FixedMAGLinkLayerAddressOnAllAccessLinks = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->RFC5213FixedMAGLinkLayerAddressOnAllAccessLinks));
/* PMIP LMA options */
dbg("RFC5213MinDelayBeforeBCEDelete = %u.%9u seconds\n",c->RFC5213MinDelayBeforeBCEDelete.tv_sec,c->RFC5213MinDelayBeforeBCEDelete.tv_nsec);
dbg("RFC5213MaxDelayBeforeNewBCEAssign = %u.%9u seconds\n",c->RFC5213MaxDelayBeforeNewBCEAssign.tv_sec,c->RFC5213MaxDelayBeforeNewBCEAssign.tv_nsec);
dbg("RFC5213TimestampValidityWindow = %u.%9u seconds\n",c->RFC5213TimestampValidityWindow.tv_sec,c->RFC5213TimestampValidityWindow.tv_nsec);
/* PMIP MAG options */
dbg("RFC5213EnableMAGLocalRouting = %s\n", CONF_BOOL_STR(c->RFC5213EnableMAGLocalRouting));
dbg("AllLmaMulticastAddress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->AllLmaMulticastAddress));
dbg("LmaAddress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->LmaAddress));
if (is_ha()) {
for (i = 0; i < c->NumMags; i++) {
dbg("MAG %d: \n", i);
dbg(" MagAddressIngress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->MagAddressIngress[i]));
dbg(" MagAddressEgress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->MagAddressEgress[i]));
}
}
if (is_mag()) {
dbg("MagAddressIngress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->MagAddressIngress[0]));
dbg("MagAddressEgress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->MagAddressEgress[0]));
dbg("MagDeviceIngress = %s\n", (c->MagDeviceIngress ? c->MagDeviceIngress : "No device"));
dbg("MagDeviceEgress = %s\n", (c->MagDeviceEgress ? c->MagDeviceEgress : "No device"));
dbg("PBULifeTime = %u.%9u seconds\n",c->PBULifeTime.tv_sec,c->PBULifeTime.tv_nsec);
dbg("RetransmissionTimeOut = %u.%9u seconds\n",c->RetransmissionTimeOut.tv_sec,c->RetransmissionTimeOut.tv_nsec);
dbg("RadiusClientConfigFile = %s\n", (c->RadiusClientConfigFile ? c->RadiusClientConfigFile : "No Config file"));
dbg("RadiusPassword = %s\n", (c->RadiusPassword ? c->RadiusPassword : "******"));
dbg("PcapSyslogAssociationGrepString = %s\n", (c->PcapSyslogAssociationGrepString ? c->PcapSyslogAssociationGrepString : "No syslog association grep string"));
dbg("PcapSyslogDeAssociationGrepString = %s\n", (c->PcapSyslogDeAssociationGrepString ? c->PcapSyslogDeAssociationGrepString : "No syslog de-association grep string"));
}
dbg("OurAddress = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->OurAddress));
dbg("HomeNetworkPrefix = %x:%x:%x:%x:%x:%x:%x:%x\n", NIP6ADDR(&c->HomeNetworkPrefix));
dbg("MaxMessageRetransmissions = %u\n", c->MaxMessageRetransmissions);
dbg("TunnelingEnabled = %s\n", CONF_BOOL_STR(c->TunnelingEnabled));
dbg("DynamicTunnelingEnabled = %s\n", CONF_BOOL_STR(c->DynamicTunnelingEnabled));
dbg("MaxDelayBeforeDynamicTunnelingDelete = %u.%9u seconds\n",c->MaxDelayBeforeDynamicTunnelingDelete.tv_sec,c->MaxDelayBeforeDynamicTunnelingDelete.tv_nsec);
}
//---------------------------------------------------------------------------------------------------------------------
void pmip_timer_bce_expired_handler(struct tq_elem *tqe)
{
int mutex_return_code;
mutex_return_code = pthread_rwlock_wrlock(&pmip_lock);
if (mutex_return_code != 0) {
dbg("pthread_rwlock_wrlock(&pmip_lock) %s\n", strerror(mutex_return_code));
}
printf("-------------------------------------\n");
if (!task_interrupted()) {
pmip_entry_t *e = tq_data(tqe, pmip_entry_t, tqe);
mutex_return_code = pthread_rwlock_wrlock(&e->lock);
if (mutex_return_code != 0) {
dbg("pthread_rwlock_wrlock(&e->lock) %s\n", strerror(mutex_return_code));
}
dbg("Retransmissions counter : %d\n", e->n_rets_counter);
if (e->n_rets_counter == 0) {
dbg("Retransmissions counter expired\n");
free_iov_data((struct iovec *) &e->mh_vec, e->iovlen);
if (is_mag()) {
//++e->seqno_out;
dbg("Calling deregistration\n");
mag_dereg(e, 1);
pmipcache_release_entry(e);
pmip_bce_delete(e);
return;
}
//Delete existing route for the deleted MN
if (is_ha()) {
lma_dereg(e, 0, 0);
pmipcache_release_entry(e);
pmip_bce_delete(e);
return;
}
mutex_return_code = pthread_rwlock_unlock(&pmip_lock);
if (mutex_return_code != 0) {
dbg("pthread_rwlock_unlock(&pmip_lock) %s\n", strerror(mutex_return_code));
}
return;
}
if (is_mag()) {
dbg("Send NS for Neighbour Reachability for:%x:%x:%x:%x:%x:%x:%x:%x iif=%d\n", NIP6ADDR(&e->mn_hw_address), e->link);
//Create NS for Reachability test!
//ndisc_send_ns(e->link, &conf.MagAddressIngress[0], solicited_mcast(&e->mn_suffix), get_mn_addr(e));
ndisc_send_ns(e->link, get_mn_addr(e));
struct timespec expires;
clock_gettime(CLOCK_REALTIME, &e->add_time);
tsadd(e->add_time, conf.RetransmissionTimeOut, expires);
// Add a new task for deletion of entry if No Na is received.
add_task_abs(&expires, &e->tqe, pmip_timer_bce_expired_handler);
dbg("Start the Timer for Retransmission/Deletion ....\n");
//Decrements the Retransmissions counter.
e->n_rets_counter--;
mutex_return_code = pthread_rwlock_unlock(&e->lock);
if (mutex_return_code != 0) {
dbg("pthread_rwlock_unlock(&e->lock) %s\n", strerror(mutex_return_code));
}
}
if (is_ha()) {
lma_dereg(e, 0, 0);
pmipcache_release_entry(e);
pmip_bce_delete(e);
return;
}
}
mutex_return_code = pthread_rwlock_unlock(&pmip_lock);
if (mutex_return_code != 0) {
dbg("pthread_rwlock_unlock(&pmip_lock) %s\n", strerror(mutex_return_code));
}
}