static
void
print_address_block_info(struct olsrv2 *olsr, struct address_block_info *info)
{
struct olsrd_config* olsr_cnf = olsr->olsr_cnf;
if (olsr_cnf->debug_level < 9)
return;
olsr_printf("\t-------- ADDR BLOCK INFO ---------\n");
olsr_printf("\tNUMBER OF ADDRESS[%u]\n", info->num_addr);
olsr_printf("\tHEAD_LEN[%u]\n", info->head_length);
if(info->head_length != 0)
{
char* paddr = olsr_niigata_ip_to_string(olsr, &info->head);
olsr_printf("IP ADDRESS[%s]\n", paddr);
free(paddr);
}
else
olsr_printf("\tHEAD_ADDR[%s]\n", "0.0.0.0(none)");
olsr_printf("\tNoTailFlag = %u\n", info->no_tail);
olsr_printf("\tZeroTailFlag = %u\n", info->zero_tail);
olsr_printf("\tTAIL_LEN[%u]\n", info->tail_length);
if(info->tail_length != 0)
{
char* paddr = olsr_niigata_ip_to_string(olsr, &info->tail);
olsr_printf("IP ADDRESS[%s]\n", paddr);
free(paddr);
}
else
olsr_printf("\tTAIL_ADDR[%s]\n", "0.0.0.0(none)");
olsr_printf("\tMidLength[%u]\n", info->mid_length);
olsr_printf("\t====================================\n");
return;
}
static void
print_tc_message(struct olsrv2 *olsr, struct tc_message *tc)
{
struct tc_mpr_addr *tmp_mpr_addr = NULL;
char* paddr = NULL;
struct olsrd_config *olsr_cnf = olsr->olsr_cnf;
//check output level
if (olsr_cnf->debug_level < 3)
return;
tmp_mpr_addr = tc->mpr_selector_address;
olsr_printf("\n*****************************************\n");
olsr_printf("TC MESSAGE\n\n");
olsr_printf("Vtime %f\n", tc->vtime);
paddr = olsr_niigata_ip_to_string(olsr, &tc->source_addr);
olsr_printf("SouceAddr %s\n",paddr);
free(paddr);
paddr = olsr_niigata_ip_to_string(olsr, &tc->originator);
olsr_printf("OriginatorAddr %s\n",paddr);
free(paddr);
olsr_printf("MessageSequenceNum %u\n", tc->message_seq_number);
olsr_printf("HopCount %u\n", tc->hop_count);
olsr_printf("TTL %u\n", tc->ttl);
olsr_printf("ASSN %u\n", tc->assn);
olsr_printf("******************************************\n\n");
olsr_printf("MPR Selector\n");
olsr_printf("-------------------------------------------\n");
while (tmp_mpr_addr)
{
paddr = olsr_niigata_ip_to_string(olsr, &tmp_mpr_addr->address);
olsr_printf("IP ADDRESS %s\n",paddr);
free(paddr);
olsr_printf("---------------------------------------\n");
tmp_mpr_addr = tmp_mpr_addr->next;
}
olsr_printf("\n\n");
return;
}
void insert_routing_set(struct olsrv2 *olsr,
union olsr_ip_addr *dest_iface_addr,
const union olsr_ip_addr *next_iface_addr,
olsr_u8_t prefix_length,
olsr_u16_t dist,
const union olsr_ip_addr *iface_addr)
{
OLSR_ROUTING_TUPLE data;
//Multi path check
if (OLSR_TRUE)
{
if (search_routing_set_for_dest_exist(olsr, dest_iface_addr) == OLSR_TRUE ||//yowada add
match_local_iface_addr(olsr, dest_iface_addr) == OLSR_TRUE)
{
if (DEBUG_OLSRV2)
{
char* paddr = olsr_niigata_ip_to_string(olsr, dest_iface_addr);
olsr_printf("Route %s has already exist! hopcount = %d\n",paddr,dist);
free(paddr);
}
return;
//olsr_error("Multi path!!\n");
}
}
//Fix for Solaris
//data.R_dest_iface_addr = *dest_iface_addr;
//data.R_next_iface_addr = *next_iface_addr;
olsr_ip_copy(olsr, &data.R_dest_iface_addr, dest_iface_addr);
olsr_ip_copy(olsr, &data.R_next_iface_addr, next_iface_addr);
data.R_prefix_length = prefix_length;
data.R_dist = dist;
//data.R_iface_addr = *iface_addr;
olsr_ip_copy(olsr, &data.R_iface_addr, iface_addr);
/*
assert(equal_ip_addr(olsr_cnf->ip_version,
data.R_dest_iface_addr,
data.R_iface_addr) == OLSR_FALSE);
*/
if (equal_ip_addr(olsr,
&data.R_dest_iface_addr,
&data.R_iface_addr))
{
return;
}
OLSR_InsertList(&olsr->routing_set[olsr_hashing(olsr,&data.R_dest_iface_addr)].list,
&data, sizeof(OLSR_ROUTING_TUPLE));
/* OLSR_InsertList_Sort(&olsr->routing_set, */
/* &data, */
/* sizeof(OLSR_ROUTING_TUPLE), */
/* sort_routing_set_handler); */
}
static void
print_new_list(struct olsrv2 *olsr, struct address_list *entry)
{
struct olsrd_config *olsr_cnf = olsr->olsr_cnf;
if (olsr_cnf->debug_level < 5)
return;
olsr_printf("\t\t ---------- ONE ADDR INFO ------\n");
char* paddr = olsr_niigata_ip_to_string(olsr, &entry->ip_addr);
olsr_printf("IP_ADDRESS[%s]\n", paddr);
free(paddr);
olsr_printf("\t\tINDEX[%u]\n", entry->index);
return;
}
static void
print_address_list(struct olsrv2 *olsr, struct address_list *list)
{
struct olsrd_config *olsr_cnf = olsr->olsr_cnf;
struct address_list *tmp;
if (olsr_cnf->debug_level < 5)
return;
tmp = list;
olsr_printf("\t ------------- ALL ADDR INFO -------------\n");
while (tmp)
{
char* paddr = olsr_niigata_ip_to_string(olsr, &tmp->ip_addr);
olsr_printf("IP ADDRESS[%s]\n", paddr);
free(paddr);
olsr_printf("\tINDEX[%u]\n", tmp->index);
tmp = tmp->next;
}
olsr_printf("\t __________________________________________\n");
return;
}
static olsr_bool
process_tc(struct olsrv2 *olsr, struct tc_message *tc,
union olsr_ip_addr *in_if
)
{
struct tc_mpr_addr *mpr_selector = NULL;
OLSR_LIST *tmpList = NULL;
OLSR_LIST_ENTRY *tmpEntry = NULL;
OLSR_TOPOLOGY_TUPLE *tmpTuple = NULL;
ATTACHED_NETWORK *attached_net_entry = NULL;
char* paddr;
if(DEBUG_OLSRV2)
{
olsr_printf("\tProcess TOPOLOGY MESSAGE\n");
}
/*
//codexxx'
// before processing TC message add the queue length of the corresponding originator to the OLSR_LIST "queue_set"
olsr_bool IPfound = OLSR_FALSE;
struct queue_info *queueInf = NULL, *tempo= NULL ;
OLSR_LIST_ENTRY *queueEntry = NULL;
queueInf = (queue_info *)olsr_malloc(sizeof(queue_info), __FUNCTION__);
queueInf->orig_IP = tc->originator;
queueInf->Qlength = tc->queuelength;
if(olsr->queue_set.numEntry == 0)
{ // insert to the list directly
OLSR_InsertList(&olsr->queue_set,queueInf,sizeof(queue_info));
}else{ // liste deja contient des element ...donc trouver si deja existe
queueEntry = olsr->queue_set.head ;
while(queueEntry != NULL) /////
{
tempo = (queue_info *)queueEntry->data ;
if(!cmp_ip_addr(olsr,&tempo->orig_IP,&queueInf->orig_IP)) ////
{ // on a trouver cet originator IP ds la liste alors update le queue et sortir de la boucle
tempo->Qlength = queueInf->Qlength;
IPfound = OLSR_TRUE;
break;
}
queueEntry = queueEntry->next ;
}
if(IPfound == OLSR_FALSE)
{ // cet IP n'existe pas deja dans la liste => l'introduire
OLSR_InsertList(&olsr->queue_set,queueInf,sizeof(queue_info));
}
}
//end codexxx'
*/
//13.1.1
if (lookup_link_status(olsr, &tc->source_addr) != SYMMETRIC)
{
if(DEBUG_OLSRV2)
{
paddr = olsr_niigata_ip_to_string(olsr, &tc->source_addr);
olsr_printf("\tsource addr:%s isn't sym neigh\n",paddr);
free(paddr);
}
return OLSR_FALSE;
}
//13.1.2
//check previous :look tc_change_structure
//13.1.3
if ((tmpList = lookup_topology_set(olsr, &tc->originator)) != NULL){
tmpEntry = (OLSR_LIST_ENTRY *)tmpList->head;
while (tmpEntry)
{
tmpTuple = (OLSR_TOPOLOGY_TUPLE *)tmpEntry->data;
if (tmpTuple->T_seq > tc->assn){
OLSR_DeleteList_Search(tmpList);
if(DEBUG_OLSRV2)
{
olsr_printf("\t\tThis message is OLD.Skipped\n");
}
return OLSR_FALSE;
}
tmpEntry = tmpEntry->next;
}
OLSR_DeleteList_Search(tmpList);
}
//13.1.4
mpr_selector = tc->mpr_selector_address;
while (mpr_selector){
proc_topology_set(olsr, &mpr_selector->address, &tc->originator,
tc->assn, OLSR_FALSE);
mpr_selector = mpr_selector->next;
}
//updating the attached network set
attached_net_entry = tc->attached_net_addr;
while(attached_net_entry){
proc_attached_set(olsr,
&attached_net_entry->network_addr,
attached_net_entry->prefix_length,
&tc->originator,
tc->assn);
attached_net_entry = attached_net_entry->next;
}
debug_code(print_attached_set(olsr));
if(proc_forward_set(olsr, &tc->originator, &tc->source_addr,
tc->message_seq_number) == OLSR_TRUE){
forward_message(olsr);
}
return OLSR_TRUE;
}
static olsr_bool
process_hello(struct olsrv2 *olsr, struct hello_message *hello,
union olsr_ip_addr *in_if,
union olsr_ip_addr *from_addr)
{
struct hello_neighbor *hello_neigh = NULL;
OLSR_LIST* retList = NULL;
OLSR_LIST_ENTRY *entry = NULL;
OLSR_LOCAL_INTERFACE_BLOCK_ENTRY *local_entry = NULL;
OLSR_SYMMETRIC_NEIGHBOR_TUPLE *sym_data = NULL;
olsr_time_t time;
olsr_bool change_assn = OLSR_FALSE, selected_mpr = OLSR_FALSE;
//codexxx
// before processing hello message add the queue length of the corresponding originator to the OLSR_LIST "queue_set"
olsr_bool IPfound = OLSR_FALSE;
struct queue_info *queueInf = NULL, *tempo= NULL ;
OLSR_LIST_ENTRY *queueEntry = NULL;
queueInf = (queue_info *)olsr_malloc(sizeof(queue_info), __FUNCTION__);
queueInf->orig_IP = hello->orig_addr ;
queueInf->Qlength = hello->queuelength;
if(olsr->queue_set.numEntry == 0)
{ // insert to the list directly
OLSR_InsertList(&olsr->queue_set,queueInf,sizeof(queue_info));
}else{ // liste deja contient des element ...donc trouver si deja existe
queueEntry = olsr->queue_set.head ;
while(queueEntry != NULL) /////
{
tempo = (queue_info *)queueEntry->data ;
if(!cmp_ip_addr(olsr,&tempo->orig_IP,&queueInf->orig_IP)) ////
{ // on a trouver cet originator IP ds la liste alors update le queue et sortir de la boucle
tempo->Qlength = queueInf->Qlength;
IPfound = OLSR_TRUE;
break;
}
queueEntry = queueEntry->next ;
}
if(IPfound == OLSR_FALSE)
{ // cet IP n'existe pas deja dans la liste => l'introduire
OLSR_InsertList(&olsr->queue_set,queueInf,sizeof(queue_info));
}
}
//end codexxx
if (own_ip_addr(olsr, &hello->source_addr))
{ // wiss: ma3neta el source address byetaba2 ma3 wa7ed men el intrface address taba3 node
if(DEBUG_OLSRV2){
char* paddr = olsr_niigata_ip_to_string(olsr, &olsr->main_addr);
olsr_printf("Received Hello, but this Hello is sent from ME!!\n[%s]",paddr);
free(paddr);
}
return OLSR_FALSE; // wiss: betla3 men process_hello
}
if(search_link_set_local_for_exist(olsr,
in_if,
&hello->source_addr) == OLSR_FALSE){ // wiss:ma la2a bel olsr linkset entry 3enda local_if= "in_if" w neigbor_if=&hello->source_addr
// wiss: ma la2a jar 3endou ip hello->source_addr ma3neta el link da3
proc_link_set(olsr,
in_if,
&hello->source_addr,
LOST,
hello->willingness,
hello->vtime,
hello->htime);
}
// neighbor address
hello_neigh = hello->neighbors;
while (hello_neigh){
if(equal_ip_addr(olsr,
&hello_neigh->address,
in_if
))
{ // wiss: hello_neigh->address, byetaba2 ma3 in_if
proc_link_set(olsr,
in_if,
&hello->source_addr,
hello_neigh->status,
hello->willingness,
hello->vtime,
hello->htime);
//update symmetric neighbor set
proc_symmetric_neighbor_set(olsr,
in_if,
hello_neigh->status,
hello);
break; // wiss : so iza fet hon ya3ni la2a el neighbor so break... so iza ma la2an byente2el 3al neigh->next
}
hello_neigh = hello_neigh->next;
}
//update neighbor address association set
proc_association_set(olsr, &hello->local_iface_list, hello->vtime);
hello_neigh = hello->neighbors;
while (hello_neigh){
//process 2hop Neighbor set
proc_2neigh_set(olsr,
in_if,
&hello->source_addr,
&hello_neigh->address,
hello_neigh->status,
hello_neigh->other_neigh,
hello->vtime);
//check: own interfaces is selected MPR by source nodes.
if(selected_mpr == OLSR_FALSE &&
own_ip_addr(olsr, &hello_neigh->address) == OLSR_TRUE &&
hello_neigh->is_mpr == OLSR_TRUE) {
selected_mpr = OLSR_TRUE;
}
//next pointer
hello_neigh = hello_neigh->next;
}
//update mpr selector set , relay set, advertise neighbor set
if(selected_mpr == OLSR_TRUE) {
entry = hello->local_iface_list.head;
while(entry) {
local_entry = (OLSR_LOCAL_INTERFACE_BLOCK_ENTRY *)entry->data;
retList = search_symmetric_neighbor_set(olsr,
in_if,
&local_entry->iface_addr);
if(retList) {
if(retList->numEntry != 1) {
olsr_error("process_hello():5");
}
get_current_time(olsr, &time);
sym_data = (OLSR_SYMMETRIC_NEIGHBOR_TUPLE *)retList->head->data;
OLSR_DeleteList_Search(retList);
if(get_neighbor_status(&time, &sym_data->N_time) == SYMMETRIC) {
proc_mpr_selector_set(olsr, &local_entry->iface_addr);
if(olsr->change_mpr_selector_set) {
if(proc_adv_neigh_set(olsr, &local_entry->iface_addr)){
proc_relay_set(olsr, &local_entry->iface_addr);
change_assn = OLSR_TRUE;
}
}
}//if(get_neigh...)
}
//next entry
entry = entry->next;
}//while
}
else{ // wiss: ici selected_mpr==false
entry = hello->local_iface_list.head;
while(entry) {
local_entry = (OLSR_LOCAL_INTERFACE_BLOCK_ENTRY *)entry->data;
delete_mpr_selector_set(olsr, &local_entry->iface_addr);
if(olsr->change_mpr_selector_set) {
delete_adv_neigh_set(olsr, &local_entry->iface_addr);
if(olsr->change_adv_neigh_set) {
change_assn = OLSR_TRUE;
delete_relay_set(olsr, &local_entry->iface_addr);
}
}
//next entry
entry = entry->next;
}//while
}
/* if I am selecetd as MPR by someone,
I_am_MPR_flag turns ON and send TC message every TC_INTERVAL */
if (olsr->I_am_MPR_flag == OLSR_FALSE &&
olsr->adv_neigh_set.head != NULL){
olsr->I_am_MPR_flag = OLSR_TRUE;
}
if(DEBUG_OLSRV2)
{
olsr_printf("\tassn[%d]\n", get_local_assn(olsr));
}
if (change_assn == OLSR_TRUE)
increment_local_assn(olsr);
return OLSR_TRUE;
}
static void
print_hello_message(struct olsrv2 *olsr, struct hello_message *h)
{
//struct olsrd_config *olsr_cnf = olsr->olsr_cnf;
struct hello_neighbor *hello_neigh = NULL;
olsr_u8_t *link = NULL, *mpr = NULL, *iface = NULL;
char* paddr = NULL;
OLSR_LOCAL_INTERFACE_BLOCK_ENTRY *local_data;
const OLSR_LIST_ENTRY *local_entry = h->local_iface_list.head;
/*
if(olsr_cnf->debug_level < 3)
return;
*/
hello_neigh = h->neighbors;
olsr_printf("\n*****************************************\n");
olsr_printf("HELLO MESSAGE\n\n");
olsr_printf("Vtime %f\n", h->vtime);
// olsr_printf("Htime %f\n",h->htime);
paddr = olsr_niigata_ip_to_string(olsr, &h->source_addr);
olsr_printf("SouceAddr %s\n",paddr);
free(paddr);
olsr_printf("MessageSequenceNum %u\n", h->message_seq_number);
olsr_printf("HopCount %u\n", h->hop_count);
olsr_printf("TTL %u\n", h->ttl);
olsr_printf("Willingness %u\n", h->willingness);
olsr_printf("* LOCAL INTERFACE LIST *****************\n");
while(local_entry) {
local_data = (OLSR_LOCAL_INTERFACE_BLOCK_ENTRY *)local_entry->data;
paddr = olsr_niigata_ip_to_string(olsr, &local_data->iface_addr);
olsr_printf("IP ADDRESS %s\n",paddr);
free(paddr);
local_entry = local_entry->next;
}
olsr_printf("******************************************\n\n");
olsr_printf("Neighbor Infomations\n");
olsr_printf("-------------------------------------------\n");
while (hello_neigh){
paddr = olsr_niigata_ip_to_string(olsr, &hello_neigh->address);
olsr_printf("IP ADDRESS %s\n",paddr);
free(paddr);
olsr_printf("---------------------------------------\n");
switch (hello_neigh->status)
{
case LOST:
link = (olsr_u8_t *)"LOST";
break;
case SYMMETRIC:
link = (olsr_u8_t *)"SYMMETRIC";
break;
case ASYMMETRIC:
link = (olsr_u8_t *)"ASYMMETRIC";
break;
case UNSPEC:
link = (olsr_u8_t *)"UNSPEC";
default:
link = (olsr_u8_t *)"NOTHING";
break;
}
olsr_printf("LinkStatus %s\n", link);
switch (hello_neigh->is_mpr)
{
case OLSR_TRUE:
mpr = (olsr_u8_t *)"YES";
break;
default:
mpr = (olsr_u8_t *)"NO";
break;
}
olsr_printf("MPR_Selection %s\n", mpr);
switch (hello_neigh->other_neigh)
{
case SYMMETRIC:
iface = (olsr_u8_t *)"SYMMETRIC";
break;
case LOST:
iface = (olsr_u8_t *)"LOST";
break;
default:
iface = (olsr_u8_t *)"NOTHING";
break;
}
olsr_printf("OTHER_NEIGH %s\n", iface);
olsr_printf("-----------------------------------------\n");
hello_neigh = hello_neigh->next;
}
olsr_printf("\n\n");
return;
}
static olsr_bool
hello_change_structure(struct olsrv2 *olsr, struct hello_message *h_msg,
struct message_header *m)
{
struct address_tuple *tmp_addr_entry = NULL;
struct tlv_tuple *tlv_entry = NULL;
struct hello_neighbor *neigh = NULL;
olsr_u8_t link_status_count;
olsr_u8_t mpr_selection_count;
olsr_u8_t other_neigh_count;
//olsr_bool link_status_flag;
//olsr_bool mpr_selection_flag;
//olsr_bool other_neigh_flag;
olsr_bool add_neigh;
OLSR_LOCAL_INTERFACE_BLOCK_ENTRY local_iface_entry;
//MEMSET added for Linux
memset(&local_iface_entry, 0, sizeof(OLSR_LOCAL_INTERFACE_BLOCK_ENTRY));
int i;
//initialize
memset(h_msg, 0, sizeof(struct hello_message));
//wiss: fill validity from message tlv
tlv_entry = get_msg_tlv(olsr, Validity_Time); // byetle3 3enna men el olsr el TLV_entry yalli 3endou tlv_type "Validity_Time"
if(tlv_entry->length == 1)
h_msg->vtime = me_to_double((olsr_u8_t)tlv_entry->value);
else// greater than 3 byte
h_msg->vtime = get_validity_time_from_hop(tlv_entry, m->hop_count);
h_msg->htime = (double)h_msg->vtime/3; //wiss: ma fhemet chou hiye el htime
//olsr_ip_copy(&h_msg->source_addr, &m->orig_addr);
tmp_addr_entry = olsr->local_interface_block_entry;
olsr_ip_copy(olsr, &h_msg->source_addr, &tmp_addr_entry->ip_addr);
olsr_ip_copy(olsr, &h_msg->orig_addr, &m->orig_addr);
//olsr_printf("Source = %s\n", IP_TO_STRING(&h_msg->source_addr));
h_msg->hop_count = m->hop_count;
h_msg->ttl = m->ttl;
h_msg->message_seq_number = m->message_seq_num;
// fill willingness from message tlv
if((tlv_entry = get_msg_tlv(olsr, Willingness)) == NULL){
// default //wiss: ya3ni hon ma la2a TLV willingness donc will_default
h_msg->willingness = WILL_DEFAULT;
}else{
// assume that willingness is less equal than 4byte
h_msg->willingness = (olsr_u8_t)tlv_entry->value;
}
//codexxx
tlv_entry = get_msg_tlv(olsr, queuelen);
h_msg->queuelength = (olsr_u8_t)tlv_entry->value;
//end codexxx
//local interface block
OLSR_InitList(&h_msg->local_iface_list);
tmp_addr_entry = olsr->local_interface_block_entry;
while(tmp_addr_entry) {
olsr_ip_copy(olsr, &local_iface_entry.iface_addr, &tmp_addr_entry->ip_addr);
local_iface_entry.other_if = OLSR_FALSE;
tlv_entry = tmp_addr_entry->addr_tlv;
while(tlv_entry) {
switch(tlv_entry->type){
case Other_If:
local_iface_entry.other_if = (olsr_u8_t)tlv_entry->value;
break;
default:
break;
}
tlv_entry = tlv_entry->next;
} // wiss: set local_iface_entry.other_if
OLSR_InsertList(&h_msg->local_iface_list, &local_iface_entry,
sizeof(OLSR_LOCAL_INTERFACE_BLOCK_ENTRY));
tmp_addr_entry= tmp_addr_entry->next;
}
// wiss : lahon biikoun tmalla el hello message "h_msg" bi kell el ma3loumet el lezme ella el champs "neighbors"
//test
/* olsr_ip_copy(&local_iface_entry.iface_addr, &olsr->local_interface_block_entry->ip_addr); */
/* local_iface_entry.iface_addr.v4 += 1; */
/* local_iface_entry.other_if = OLSR_FALSE; */
/* OLSR_InsertList(&h_msg->local_iface_list, &local_iface_entry, */
/* sizeof(OLSR_LOCAL_INTERFACE_BLOCK_ENTRY)); */
/* olsr_ip_copy(&local_iface_entry.iface_addr, &olsr->local_interface_block_entry->ip_addr); */
/* local_iface_entry.iface_addr.v4 += 2; */
/* local_iface_entry.other_if = OLSR_FALSE; */
/* OLSR_InsertList(&h_msg->local_iface_list, &local_iface_entry, */
/* sizeof(OLSR_LOCAL_INTERFACE_BLOCK_ENTRY)); */
// all neighbor :advertized by hello
h_msg->neighbors = NULL;
for (i = 0; i < olsr->num_of_addr_tlv_block_entries; ++i){
tmp_addr_entry = olsr->addr_tlv_block_entries[i];
while (tmp_addr_entry)
{
neigh = (struct hello_neighbor *)olsr_malloc(sizeof(struct hello_neighbor), __FUNCTION__);
memset(neigh, 0, sizeof(struct hello_neighbor));
add_neigh = OLSR_TRUE;
tlv_entry = tmp_addr_entry->addr_tlv;
link_status_count = mpr_selection_count = other_neigh_count = 0;
//link_status_flag = mpr_selection_flag = other_neigh_flag = OLSR_FALSE;
neigh->is_mpr = OLSR_FALSE;
neigh->status = 255;
neigh->other_neigh = 255;
while (tlv_entry){
switch (tlv_entry->type)
{
case Link_Status:
link_status_count++;
//link_status_flag = OLSR_TRUE;
//assume that link status is less equal than 4byte
neigh->status = (olsr_u8_t)tlv_entry->value;
break;
case MPR_Selection:
mpr_selection_count++;
//assume that mpr selection is less equal than 4byte
neigh->is_mpr = OLSR_TRUE;
break;
case Other_Neigh:
other_neigh_count ++;
//other_neigh_flag = OLSR_TRUE;
neigh->other_neigh = OLSR_TRUE;
break;
default:
//default ignore
break;
}
tlv_entry = tlv_entry->next;
}
// wiss: la hon menkoun 3abayna el fields taba3 el neigh ella el IP address
if (link_status_count > 1 || other_neigh_count > 1 || mpr_selection_count > 1)
{
if(DEBUG_OLSRV2)
{
char* paddr = olsr_niigata_ip_to_string(olsr, &neigh->address);
olsr_printf("This Neighbor %s have over 2 same tlv type\n",paddr);
free(paddr);
}
add_neigh = OLSR_FALSE; // wiss: bima ennu 3endou aktar men 2 same TLV men7ot add_neigh= false
}
if (olsr->olsr_cnf->ip_version == AF_INET){
//check inconsistency
if (neigh->is_mpr == OLSR_TRUE && neigh->status != SYMMETRIC)
{
if(DEBUG_OLSRV2)
{
olsr_printf("MPR have non symmetric link\n");
}
free(neigh);
tmp_addr_entry = tmp_addr_entry->next;
continue;
/*
free_all_address_entries(olsr);
free_message_tlv(olsr);
return OLSR_FALSE;
*/
}
// if (neigh->transmitting_iface == Other && neigh->status != SYMMETRIC)
// {
// if (DEBUG_OLSRV2){
// olsr_printf("Other Interface have non symmetric link\n");
// }
// free_all_address_entries(olsr);
// free_message_tlv(olsr);
// free(neigh);
// return OLSR_FALSE;
// }
}
//add neighbor to hello_message
if (add_neigh == OLSR_TRUE){ // wiss: bikoun true iza linkstatus count aw mpr count aw ...count <=1
//copy neigh
olsr_ip_copy(olsr, &neigh->address, &tmp_addr_entry->ip_addr);
//queue
if (h_msg->neighbors == NULL)
{
neigh->next = NULL;
h_msg->neighbors = neigh;
}
else
{
neigh->next = h_msg->neighbors;
h_msg->neighbors = neigh;
}
}else{// add_neigh == FALSE
//skip this neighbor
if(DEBUG_OLSRV2)
{
olsr_printf("Neighbor %s don't add neigh list\n");
}
free(neigh);
}
//next address advertized by hello
tmp_addr_entry = tmp_addr_entry->next;
}
}//for
if(DEBUG_OLSRV2)
{
print_hello_message(olsr, h_msg);
}
// free address tlv & message tlv
free_all_address_entries(olsr);
free_message_tlv(olsr);
return OLSR_TRUE;
}