int main(int argc, char *argv[])
{
int arp_sockfd, arp_getlen, i;
int send_count=0, file_num=0;
struct sockaddr_in router_addr, device_addr;
char router_ipaddr[17], router_mac[17], buffer[ARP_BUFFER_SIZE];
unsigned char scan_ipaddr[4]; // scan ip
FILE *fp_ip;
fd_set rfds;
ARP_HEADER * arp_ptr;
struct timeval tv1, tv2, arp_timeout;
int shm_client_detail_info_id;
int ip_dup, mac_dup, real_num;
int lock;
FILE *fp = fopen("/var/run/networkmap.pid", "w");
if(fp != NULL){
fprintf(fp, "%d", getpid());
fclose(fp);
}
#ifdef DEBUG
eval("rm", "/var/client*");
#endif
//Initial client tables
lock = file_lock("networkmap");
shm_client_detail_info_id = shmget((key_t)1001, sizeof(CLIENT_DETAIL_INFO_TABLE), 0666|IPC_CREAT);
if (shm_client_detail_info_id == -1){
fprintf(stderr,"shmget failed\n");
file_unlock(lock);
exit(1);
}
CLIENT_DETAIL_INFO_TABLE *p_client_detail_info_tab = (P_CLIENT_DETAIL_INFO_TABLE)shmat(shm_client_detail_info_id,(void *) 0,0);
//Reset shared memory
memset(p_client_detail_info_tab, 0x00, sizeof(CLIENT_DETAIL_INFO_TABLE));
p_client_detail_info_tab->ip_mac_num = 0;
p_client_detail_info_tab->detail_info_num = 0;
file_unlock(lock);
#ifdef NMP_DB
nmp_client_list = strdup(nvram_safe_get("nmp_client_list"));
NMP_DEBUG_M("NMP Client:\n%s\n", nmp_client_list);
signal(SIGUSR2, reset_db);
#endif
//Get Router's IP/Mac
strcpy(router_ipaddr, nvram_safe_get("lan_ipaddr"));
#ifdef RTCONFIG_RGMII_BRCM5301X
strcpy(router_mac, nvram_safe_get("et1macaddr"));
#else
strcpy(router_mac, nvram_safe_get("et0macaddr"));
#endif
inet_aton(router_ipaddr, &router_addr.sin_addr);
memcpy(my_ipaddr, &router_addr.sin_addr, 4);
//Prepare scan
networkmap_fullscan = 1;
nvram_set("networkmap_fullscan", "1");
if (argc > 1) {
if (strcmp(argv[1], "--bootwait") == 0) {
sleep(30);
}
}
if (strlen(router_mac)!=0) ether_atoe(router_mac, my_hwaddr);
signal(SIGUSR1, refresh_sig); //catch UI refresh signal
// create UDP socket and bind to "br0" to get ARP packet//
arp_sockfd = create_socket(INTERFACE);
if(arp_sockfd < 0)
perror("create socket ERR:");
else {
arp_timeout.tv_sec = 0;
arp_timeout.tv_usec = 50000;
setsockopt(arp_sockfd, SOL_SOCKET, SO_RCVTIMEO, &arp_timeout, sizeof(arp_timeout));//set receive timeout
dst_sockll = src_sockll; //Copy sockaddr info to dst
memset(dst_sockll.sll_addr, -1, sizeof(dst_sockll.sll_addr)); // set dmac= FF:FF:FF:FF:FF:FF
}
while(1)//main while loop
{
while(1) { //full scan and reflush recv buffer
fullscan:
if(networkmap_fullscan == 1) { //Scan all IP address in the subnetwork
if(scan_count == 0) {
asusdiscovery(); //find asus device
// (re)-start from the begining
memset(scan_ipaddr, 0x00, 4);
memcpy(scan_ipaddr, &router_addr.sin_addr, 3);
arp_timeout.tv_sec = 0;
arp_timeout.tv_usec = 50000;
setsockopt(arp_sockfd, SOL_SOCKET, SO_RCVTIMEO, &arp_timeout, sizeof(arp_timeout));//set receive timeout
NMP_DEBUG("Starting full scan!\n");
if(nvram_match("refresh_networkmap", "1")) {//reset client tables
lock = file_lock("networkmap");
memset(p_client_detail_info_tab, 0x00, sizeof(CLIENT_DETAIL_INFO_TABLE));
//p_client_detail_info_tab->detail_info_num = 0;
//p_client_detail_info_tab->ip_mac_num = 0;
file_unlock(lock);
nvram_unset("refresh_networkmap");
}
else {
int x = 0;
for(; x<255; x++)
p_client_detail_info_tab->exist[x]=0;
}
}
scan_count++;
scan_ipaddr[3]++;
if( scan_count<255 && memcmp(scan_ipaddr, my_ipaddr, 4) ) {
sent_arppacket(arp_sockfd, scan_ipaddr);
}
else if(scan_count==255) { //Scan completed
arp_timeout.tv_sec = 2;
arp_timeout.tv_usec = 0; //Reset timeout at monitor state for decase cpu loading
setsockopt(arp_sockfd, SOL_SOCKET, SO_RCVTIMEO, &arp_timeout, sizeof(arp_timeout));//set receive timeout
networkmap_fullscan = 0;
//scan_count = 0;
nvram_set("networkmap_fullscan", "0");
NMP_DEBUG("Finish full scan!\n");
}
}// End of full scan
memset(buffer, 0, ARP_BUFFER_SIZE);
arp_getlen=recvfrom(arp_sockfd, buffer, ARP_BUFFER_SIZE, 0, NULL, NULL);
if(arp_getlen == -1) {
if( scan_count<255)
goto fullscan;
else
break;
}
else {
arp_ptr = (ARP_HEADER*)(buffer);
NMP_DEBUG("*Receive an ARP Packet from: %d.%d.%d.%d to %d.%d.%d.%d:%02X:%02X:%02X:%02X - len:%d\n",
(int *)arp_ptr->source_ipaddr[0],(int *)arp_ptr->source_ipaddr[1],
(int *)arp_ptr->source_ipaddr[2],(int *)arp_ptr->source_ipaddr[3],
(int *)arp_ptr->dest_ipaddr[0],(int *)arp_ptr->dest_ipaddr[1],
(int *)arp_ptr->dest_ipaddr[2],(int *)arp_ptr->dest_ipaddr[3],
arp_ptr->dest_hwaddr[0],arp_ptr->dest_hwaddr[1],
arp_ptr->dest_hwaddr[2],arp_ptr->dest_hwaddr[3],
arp_getlen);
//Check ARP packet if source ip and router ip at the same network
if( !memcmp(my_ipaddr, arp_ptr->source_ipaddr, 3) ) {
swapbytes16(arp_ptr->message_type);
if( //ARP packet to router
(arp_ptr->message_type == 0x02 && // ARP response
memcmp(arp_ptr->dest_ipaddr, my_ipaddr, 4) == 0 && // dest IP
memcmp(arp_ptr->dest_hwaddr, my_hwaddr, 6) == 0) // dest MAC
||
(arp_ptr->message_type == 0x01 && // ARP request
memcmp(arp_ptr->dest_ipaddr, my_ipaddr, 4) == 0) // dest IP
){
//NMP_DEBUG(" It's an ARP Response to Router!\n");
NMP_DEBUG("*RCV %d.%d.%d.%d-%02X:%02X:%02X:%02X:%02X:%02X\n",
(int *)arp_ptr->source_ipaddr[0],(int *)arp_ptr->source_ipaddr[1],
(int *)arp_ptr->source_ipaddr[2],(int *)arp_ptr->source_ipaddr[3],
arp_ptr->source_hwaddr[0],arp_ptr->source_hwaddr[1],
arp_ptr->source_hwaddr[2],arp_ptr->source_hwaddr[3],
arp_ptr->source_hwaddr[4],arp_ptr->source_hwaddr[5]);
for(i=0; i<p_client_detail_info_tab->ip_mac_num; i++) {
ip_dup = memcmp(p_client_detail_info_tab->ip_addr[i], arp_ptr->source_ipaddr, 4);
mac_dup = memcmp(p_client_detail_info_tab->mac_addr[i], arp_ptr->source_hwaddr, 6);
if((ip_dup == 0) && (mac_dup == 0)) {
lock = file_lock("networkmap");
p_client_detail_info_tab->exist[i] = 1;
file_unlock(lock);
break;
}
else if((ip_dup != 0) && (mac_dup != 0)) {
continue;
}
else if( (scan_count>=255) && ((ip_dup != 0) && (mac_dup == 0)) ) {
NMP_DEBUG("IP changed, update immediately\n");
NMP_DEBUG("*CMP %d.%d.%d.%d-%02X:%02X:%02X:%02X:%02X:%02X\n",
p_client_detail_info_tab->ip_addr[i][0],p_client_detail_info_tab->ip_addr[i][1],
p_client_detail_info_tab->ip_addr[i][2],p_client_detail_info_tab->ip_addr[i][3],
p_client_detail_info_tab->mac_addr[i][0],p_client_detail_info_tab->mac_addr[i][1],
p_client_detail_info_tab->mac_addr[i][2],p_client_detail_info_tab->mac_addr[i][3],
p_client_detail_info_tab->mac_addr[i][4],p_client_detail_info_tab->mac_addr[i][5]);
lock = file_lock("networkmap");
memcpy(p_client_detail_info_tab->ip_addr[i],
arp_ptr->source_ipaddr, 4);
memcpy(p_client_detail_info_tab->mac_addr[i],
arp_ptr->source_hwaddr, 6);
p_client_detail_info_tab->exist[i] = 1;
file_unlock(lock);
/*
real_num = p_client_detail_info_tab->detail_info_num;
p_client_detail_info_tab->detail_info_num = i;
#ifdef NMP_DB
check_nmp_db(p_client_detail_info_tab, i);
#endif
FindAllApp(my_ipaddr, p_client_detail_info_tab);
FindHostname(p_client_detail_info_tab);
p_client_detail_info_tab->detail_info_num = real_num;
*/
break;
}
}
//NMP_DEBUG("Out check!\n");
//i=0, table is empty.
//i=num, no the same ip at table.
if(i==p_client_detail_info_tab->ip_mac_num){
lock = file_lock("networkmap");
memcpy(p_client_detail_info_tab->ip_addr[p_client_detail_info_tab->ip_mac_num],
arp_ptr->source_ipaddr, 4);
memcpy(p_client_detail_info_tab->mac_addr[p_client_detail_info_tab->ip_mac_num],
arp_ptr->source_hwaddr, 6);
p_client_detail_info_tab->exist[p_client_detail_info_tab->ip_mac_num] = 1;
#ifdef NMP_DB
check_nmp_db(p_client_detail_info_tab, i);
#endif
p_client_detail_info_tab->ip_mac_num++;
file_unlock(lock);
#ifdef DEBUG //Write client info to file
fp_ip=fopen("/var/client_ip_mac.txt", "a");
if (fp_ip==NULL) {
NMP_DEBUG("File Open Error!\n");
}
else {
NMP_DEBUG_M("Fill: %d-> %d.%d\n", i,p_client_detail_info_tab->ip_addr[i][2],p_client_detail_info_tab->ip_addr[i][3]);
fprintf(fp_ip, "%d.%d.%d.%d,%02X:%02X:%02X:%02X:%02X:%02X\n",
p_client_detail_info_tab->ip_addr[i][0],p_client_detail_info_tab->ip_addr[i][1],
p_client_detail_info_tab->ip_addr[i][2],p_client_detail_info_tab->ip_addr[i][3],
p_client_detail_info_tab->mac_addr[i][0],p_client_detail_info_tab->mac_addr[i][1],
p_client_detail_info_tab->mac_addr[i][2],p_client_detail_info_tab->mac_addr[i][3],
p_client_detail_info_tab->mac_addr[i][4],p_client_detail_info_tab->mac_addr[i][5]);
}
fclose(fp_ip);
#endif
}
}
else { //Nomo ARP Packet or ARP response to other IP
//Compare IP and IP buffer if not exist
for(i=0; i<p_client_detail_info_tab->ip_mac_num; i++) {
if( !memcmp(p_client_detail_info_tab->ip_addr[i], arp_ptr->source_ipaddr, 4) &&
!memcmp(p_client_detail_info_tab->mac_addr[i], arp_ptr->source_hwaddr, 6)) {
NMP_DEBUG_M("Find the same IP/MAC at the table!\n");
break;
}
}
if( i==p_client_detail_info_tab->ip_mac_num ) //Find a new IP or table is empty! Send an ARP request.
{
NMP_DEBUG("New device or IP/MAC changed!!\n");
if(memcmp(my_ipaddr, arp_ptr->source_ipaddr, 4))
sent_arppacket(arp_sockfd, arp_ptr->source_ipaddr);
else
NMP_DEBUG("New IP is the same as Router IP! Ignore it!\n");
}
}//End of Nomo ARP Packet
}//Source IP in the same subnetwork
}//End of arp_getlen != -1
} // End of while for flush buffer
/*
int y = 0;
while(p_client_detail_info_tab->type[y]!=0){
NMP_DEBUG("%d: %d.%d.%d.%d,%02X:%02X:%02X:%02X:%02X:%02X,%s,%d,%d,%d,%d,%d\n", y ,
p_client_detail_info_tab->ip_addr[y][0],p_client_detail_info_tab->ip_addr[y][1],
p_client_detail_info_tab->ip_addr[y][2],p_client_detail_info_tab->ip_addr[y][3],
p_client_detail_info_tab->mac_addr[y][0],p_client_detail_info_tab->mac_addr[y][1],
p_client_detail_info_tab->mac_addr[y][2],p_client_detail_info_tab->mac_addr[y][3],
p_client_detail_info_tab->mac_addr[y][4],p_client_detail_info_tab->mac_addr[y][5],
p_client_detail_info_tab->device_name[y],
p_client_detail_info_tab->type[y],
p_client_detail_info_tab->http[y],
p_client_detail_info_tab->printer[y],
p_client_detail_info_tab->itune[y],
p_client_detail_info_tab->exist[y]);
y++;
}
*/
//Find All Application of clients
//NMP_DEBUG("\ndetail ? ip : %d ? %d\n\n", p_client_detail_info_tab->detail_info_num, p_client_detail_info_tab->ip_mac_num);
if(p_client_detail_info_tab->detail_info_num < p_client_detail_info_tab->ip_mac_num) {
nvram_set("networkmap_status", "1");
FindAllApp(my_ipaddr, p_client_detail_info_tab);
FindHostname(p_client_detail_info_tab);
#ifdef DEBUG //Fill client detail info table
fp_ip=fopen("/var/client_detail_info.txt", "a");
if (fp_ip==NULL) {
NMP_DEBUG("File Open Error!\n");
}
else {
fprintf(fp_ip, "%s,%d,%d,%d,%d\n",
p_client_detail_info_tab->device_name[p_client_detail_info_tab->detail_info_num],
p_client_detail_info_tab->type[p_client_detail_info_tab->detail_info_num],
p_client_detail_info_tab->http[p_client_detail_info_tab->detail_info_num],
p_client_detail_info_tab->printer[p_client_detail_info_tab->detail_info_num],
p_client_detail_info_tab->itune[p_client_detail_info_tab->detail_info_num]);
fclose(fp_ip);
}
#endif
#ifdef NMP_DB
write_to_nvram(p_client_detail_info_tab);
#endif
p_client_detail_info_tab->detail_info_num++;
}
#ifdef NMP_DB
else {
NMP_DEBUG_M("commit_no, cli_no, updated: %d, %d, %d\n",
commit_no, p_client_detail_info_tab->detail_info_num, client_updated);
if( (commit_no != p_client_detail_info_tab->detail_info_num) || client_updated ) {
NMP_DEBUG("Commit nmp client list\n");
nvram_commit();
commit_no = p_client_detail_info_tab->detail_info_num;
client_updated = 0;
}
}
#endif
if(p_client_detail_info_tab->detail_info_num == p_client_detail_info_tab->ip_mac_num)
nvram_set("networkmap_status", "0"); // Done scanning and resolving
} //End of main while loop
close(arp_sockfd);
return 0;
}
int main()
{
int arp_sockfd, arp_getlen, i;
int send_count=0, file_num=0;
struct sockaddr_in router_addr, device_addr;
char router_ipaddr[17], router_mac[17], buffer[512];
unsigned char scan_ipaddr[4]; // scan ip
FILE *fp_ip;
fd_set rfds;
ARP_HEADER * arp_ptr;
struct timeval tv1, tv2, arp_timeout;
int shm_client_detail_info_id;
int ip_dup, mac_dup, real_num;
FILE *fp = fopen("/var/run/networkmap.pid", "w");
if(fp != NULL){
fprintf(fp, "%d", getpid());
fclose(fp);
}
#ifdef DEBUG
eval("rm", "/var/client*");
#endif
//Initial client tables
spinlock_lock(SPINLOCK_Networkmap);
shm_client_detail_info_id = shmget((key_t)1001, sizeof(CLIENT_DETAIL_INFO_TABLE), 0666|IPC_CREAT);
if (shm_client_detail_info_id == -1){
fprintf(stderr,"shmget failed\n");
exit(1);
}
CLIENT_DETAIL_INFO_TABLE *p_client_detail_info_tab = (P_CLIENT_DETAIL_INFO_TABLE)shmat(shm_client_detail_info_id,(void *) 0,0);
//Reset shared memory
memset(p_client_detail_info_tab, 0x00, sizeof(CLIENT_DETAIL_INFO_TABLE));
p_client_detail_info_tab->ip_mac_num = 0;
p_client_detail_info_tab->detail_info_num = 0;
spinlock_unlock(SPINLOCK_Networkmap);
//Get Router's IP/Mac
strcpy(router_ipaddr, nvram_safe_get("lan_ipaddr"));
strcpy(router_mac, nvram_safe_get("et0macaddr"));
inet_aton(router_ipaddr, &router_addr.sin_addr);
memcpy(my_ipaddr, &router_addr.sin_addr, 4);
//Prepare scan
memset(scan_ipaddr, 0x00, 4);
memcpy(scan_ipaddr, &router_addr.sin_addr, 3);
networkmap_fullscan = 1;
nvram_set("networkmap_fullscan", "1");
if (strlen(router_mac)!=0) ether_atoe(router_mac, my_hwaddr);
signal(SIGUSR1, refresh_sig); //catch UI refresh signal
// create UDP socket and bind to "br0" to get ARP packet//
arp_sockfd = create_socket(INTERFACE);
if(arp_sockfd < 0)
perror("create socket ERR:");
else {
arp_timeout.tv_sec = 0;
arp_timeout.tv_usec = 10000;
setsockopt(arp_sockfd, SOL_SOCKET, SO_RCVTIMEO, &arp_timeout, sizeof(arp_timeout));//set receive timeout
dst_sockll = src_sockll; //Copy sockaddr info to dst
memset(dst_sockll.sll_addr, -1, sizeof(dst_sockll.sll_addr)); // set dmac= FF:FF:FF:FF:FF:FF
}
while(1)//main while loop
{
while(1) { //full scan and reflush recv buffer
fullscan:
if(networkmap_fullscan == 1) { //Scan all IP address in the subnetwork
if(scan_count == 0) {
arp_timeout.tv_sec = 0;
arp_timeout.tv_usec = 10000;
setsockopt(arp_sockfd, SOL_SOCKET, SO_RCVTIMEO, &arp_timeout, sizeof(arp_timeout));//set receive timeout
NMP_DEBUG("Starting full scan!\n");
//reset client tables
spinlock_lock(SPINLOCK_Networkmap);
memset(p_client_detail_info_tab, 0x00, sizeof(CLIENT_DETAIL_INFO_TABLE));
p_client_detail_info_tab->detail_info_num = 0;
spinlock_unlock(SPINLOCK_Networkmap);
}
scan_count++;
scan_ipaddr[3]++;
if( scan_count<255 && memcmp(scan_ipaddr, my_ipaddr, 4) ) {
sent_arppacket(arp_sockfd, scan_ipaddr);
}
else if(scan_count>255) { //Scan completed
arp_timeout.tv_sec = 1;
arp_timeout.tv_usec = 500000; //Reset timeout at monitor state for decase cpu loading
setsockopt(arp_sockfd, SOL_SOCKET, SO_RCVTIMEO, &arp_timeout, sizeof(arp_timeout));//set receive timeout
networkmap_fullscan = 0;
//scan_count = 0;
nvram_set("networkmap_fullscan", "0");
NMP_DEBUG("Finish full scan!\n");
}
}// End of full scan
arp_getlen=recvfrom(arp_sockfd, buffer, 512, 0, NULL, NULL);
if(arp_getlen == -1) {
if( scan_count<255)
goto fullscan;
else
break;
}
else {
arp_ptr = (ARP_HEADER*)(buffer);
NMP_DEBUG("*Receive an ARP Packet from: %d.%d.%d.%d, len:%d\n",
(int *)arp_ptr->source_ipaddr[0],(int *)arp_ptr->source_ipaddr[1],
(int *)arp_ptr->source_ipaddr[2],(int *)arp_ptr->source_ipaddr[3],
arp_getlen);
//Check ARP packet if source ip and router ip at the same network
if( !memcmp(my_ipaddr, arp_ptr->source_ipaddr, 3) ) {
swapbytes16(arp_ptr->message_type);
//ARP Response packet to router
if( arp_ptr->message_type == 0x02 && // ARP response
memcmp(arp_ptr->dest_ipaddr, my_ipaddr, 4) == 0 && // dest IP
memcmp(arp_ptr->dest_hwaddr, my_hwaddr, 6) == 0) // dest MAC
{
//NMP_DEBUG(" It's an ARP Response to Router!\n");
for(i=0; i<p_client_detail_info_tab->ip_mac_num; i++) {
ip_dup = memcmp(p_client_detail_info_tab->ip_addr[i], arp_ptr->source_ipaddr, 4);
mac_dup = memcmp(p_client_detail_info_tab->mac_addr[i], arp_ptr->source_hwaddr, 6);
if((ip_dup == 0) && (mac_dup == 0))
break;
else if((ip_dup != 0) && (mac_dup != 0))
continue;
else if(scan_count>255) { //IP/MAC mapping changed, update immediately after finish scan.
NMP_DEBUG("IP/MAC mapping changed, update immediately\n");
/*
NMP_DEBUG("*RCV %d.%d.%d.%d-%02X:%02X:%02X:%02X:%02X:%02X\n",
(int *)arp_ptr->source_ipaddr[0],(int *)arp_ptr->source_ipaddr[1],
(int *)arp_ptr->source_ipaddr[2],(int *)arp_ptr->source_ipaddr[3],
arp_ptr->source_hwaddr[0],arp_ptr->source_hwaddr[1],
arp_ptr->source_hwaddr[2],arp_ptr->source_hwaddr[3],
arp_ptr->source_hwaddr[4],arp_ptr->source_hwaddr[5]);
NMP_DEBUG("*CMP %d.%d.%d.%d-%02X:%02X:%02X:%02X:%02X:%02X\n",
p_client_detail_info_tab->ip_addr[i][0],p_client_detail_info_tab->ip_addr[i][1],
p_client_detail_info_tab->ip_addr[i][2],p_client_detail_info_tab->ip_addr[i][3],
p_client_detail_info_tab->mac_addr[i][0],p_client_detail_info_tab->mac_addr[i][1],
p_client_detail_info_tab->mac_addr[i][2],p_client_detail_info_tab->mac_addr[i][3],
p_client_detail_info_tab->mac_addr[i][4],p_client_detail_info_tab->mac_addr[i][5]);
*/
spinlock_lock(SPINLOCK_Networkmap);
memcpy(p_client_detail_info_tab->ip_addr[i],
arp_ptr->source_ipaddr, 4);
memcpy(p_client_detail_info_tab->mac_addr[i],
arp_ptr->source_hwaddr, 6);
spinlock_unlock(SPINLOCK_Networkmap);
real_num = p_client_detail_info_tab->detail_info_num;
p_client_detail_info_tab->detail_info_num = i;
FindAllApp(my_ipaddr, p_client_detail_info_tab);
p_client_detail_info_tab->detail_info_num = real_num;
break;
}
}
//NMP_DEBUG("Out check!\n");
//i=0, table is empty.
//i=num, no the same ip at table.
if(i==p_client_detail_info_tab->ip_mac_num){
spinlock_lock(SPINLOCK_Networkmap);
memcpy(p_client_detail_info_tab->ip_addr[p_client_detail_info_tab->ip_mac_num],
arp_ptr->source_ipaddr, 4);
memcpy(p_client_detail_info_tab->mac_addr[p_client_detail_info_tab->ip_mac_num],
arp_ptr->source_hwaddr, 6);
p_client_detail_info_tab->ip_mac_num++;
spinlock_unlock(SPINLOCK_Networkmap);
#ifdef DEBUG //Write client info to file
fp_ip=fopen("/var/client_ip_mac.txt", "a");
if (fp_ip==NULL) {
printf("File Open Error!\n");
}
else {
printf("Fill: %d-> %d.%d", i,p_client_detail_info_tab->ip_addr[i][2],p_client_detail_info_tab->ip_addr[i][3]);
fprintf(fp_ip, "%d.%d.%d.%d,%02X:%02X:%02X:%02X:%02X:%02X\n",
p_client_detail_info_tab->ip_addr[i][0],p_client_detail_info_tab->ip_addr[i][1],
p_client_detail_info_tab->ip_addr[i][2],p_client_detail_info_tab->ip_addr[i][3],
p_client_detail_info_tab->mac_addr[i][0],p_client_detail_info_tab->mac_addr[i][1],
p_client_detail_info_tab->mac_addr[i][2],p_client_detail_info_tab->mac_addr[i][3],
p_client_detail_info_tab->mac_addr[i][4],p_client_detail_info_tab->mac_addr[i][5]);
}
fclose(fp_ip);
#endif
}
}
else { //Nomo ARP Packet or ARP response to other IP
//Compare IP and IP buffer if not exist
for(i=0; i<p_client_detail_info_tab->ip_mac_num; i++) {
if( !memcmp(p_client_detail_info_tab->ip_addr[i], arp_ptr->source_ipaddr, 4) &&
!memcmp(p_client_detail_info_tab->mac_addr[i], arp_ptr->source_hwaddr, 6)) {
NMP_DEBUG_M("Find the same IP/MAC at the table!\n");
break;
}
}
if( i==p_client_detail_info_tab->ip_mac_num ) //Find a new IP or table is empty! Send an ARP request.
{
NMP_DEBUG("New device or IP/MAC changed!!\n");
if(memcmp(my_ipaddr, arp_ptr->source_ipaddr, 4))
sent_arppacket(arp_sockfd, arp_ptr->source_ipaddr);
else
NMP_DEBUG("New IP is the same as Router IP! Ignore it!\n");
}
}//End of Nomo ARP Packet
}//Source IP in the same subnetwork
}//End of arp_getlen != -1
} // End of while for flush buffer
//Find All Application of clients
if(p_client_detail_info_tab->detail_info_num < p_client_detail_info_tab->ip_mac_num) {
nvram_set("networkmap_status", "1");
FindAllApp(my_ipaddr, p_client_detail_info_tab);
FindHostname(p_client_detail_info_tab);
#ifdef DEBUG //Fill client detail info table
fp_ip=fopen("/var/client_detail_info.txt", "a");
if (fp_ip==NULL) {
printf("File Open Error!\n");
}
else {
fprintf(fp_ip, "%s,%d,%d,%d,%d\n",
p_client_detail_info_tab->device_name[p_client_detail_info_tab->detail_info_num],
p_client_detail_info_tab->type[p_client_detail_info_tab->detail_info_num],
p_client_detail_info_tab->http[p_client_detail_info_tab->detail_info_num],
p_client_detail_info_tab->printer[p_client_detail_info_tab->detail_info_num],
p_client_detail_info_tab->itune[p_client_detail_info_tab->detail_info_num]);
fclose(fp_ip);
}
#endif
p_client_detail_info_tab->detail_info_num++;
}
if(p_client_detail_info_tab->detail_info_num == p_client_detail_info_tab->ip_mac_num)
nvram_set("networkmap_status", "0"); // Done scanning and resolving
} //End of main while loop
close(arp_sockfd);
return 0;
}