diff --git a/nlsr-sync-0.0/nlsr.c b/nlsr-sync-0.0/nlsr.c
new file mode 100755
index 0000000..e3b43ae
--- /dev/null
+++ b/nlsr-sync-0.0/nlsr.c
@@ -0,0 +1,1099 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <assert.h>
+#include <sys/types.h>
+#include <signal.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ccn/ccn.h>
+#include <ccn/uri.h>
+#include <ccn/keystore.h>
+#include <ccn/signing.h>
+#include <ccn/schedule.h>
+#include <ccn/hashtb.h>
+#include <ccn/sync.h>
+#include <ccn/seqwriter.h>
+
+#include "nlsr.h"
+#include "nlsr_ndn.h"
+#include "nlsr_lsdb.h"
+#include "utility.h"
+#include "nlsr_npl.h"
+#include "nlsr_adl.h"
+#include "nlsr_npt.h"
+#include "nlsr_route.h"
+#include "nlsr_sync.h"
+
+
+#define ON_ERROR_DESTROY(resval) \
+{           \
+    if ((resval) < 0) { \
+        nlsr_destroy(); \
+	exit(1);\
+    } \
+}
+
+
+#define ON_ERROR_EXIT(resval) \
+{           \
+    if ((resval) < 0) { \
+        exit(1); \
+    } \
+}
+
+struct option longopts[] =
+{
+    { "daemon",      no_argument,       NULL, 'd'},
+    { "config_file", required_argument, NULL, 'f'},
+    { "api_port",    required_argument, NULL, 'p'},
+    { "help",        no_argument,       NULL, 'h'},
+    { 0 }
+};
+
+static int 
+usage(char *progname)
+{
+
+    printf("Usage: %s [OPTIONS...]\n\
+	NDN routing....\n\
+	-d, --daemon        Run in daemon mode\n\
+	-f, --config_file   Specify configuration file name\n\
+	-p, --api_port      port where api client will connect\n\
+	-h, --help          Display this help message\n", progname);
+
+    exit(1);
+}
+
+void ndn_rtr_gettime(const struct ccn_gettime *self, struct ccn_timeval *result)
+{
+    struct timeval now = {0};
+    gettimeofday(&now, 0);
+    result->s = now.tv_sec;
+    result->micros = now.tv_usec;
+}
+
+static struct ccn_gettime ndn_rtr_ticker = {
+    "timer",
+    &ndn_rtr_gettime,
+    1000000,
+    NULL
+};
+
+void
+nlsr_lock(void)
+{
+	nlsr->semaphor=NLSR_LOCKED;
+}
+
+void
+nlsr_unlock(void)
+{
+	nlsr->semaphor=NLSR_UNLOCKED;
+}
+
+void 
+nlsr_stop_signal_handler(int sig)
+{
+	signal(sig, SIG_IGN);
+ 	nlsr_destroy();
+	exit(0);	
+}
+
+void  
+daemonize_nlsr(void)
+{
+	int ret;
+	pid_t process_id = 0;
+	pid_t sid = 0;
+	process_id = fork();
+	if (process_id < 0)
+	{
+		printf("Daemonization failed!\n");
+		ON_ERROR_DESTROY(process_id);
+	}
+	if (process_id > 0)
+	{
+		printf("Process daemonized. Process id: %d \n", process_id);
+		ret=process_id;
+		exit(0);
+	}
+	
+	umask(0);
+	sid = setsid();
+	if(sid < 0)
+	{
+		ON_ERROR_DESTROY(sid);		
+	}
+	
+	chdir("/");	
+	close(STDIN_FILENO);
+	close(STDOUT_FILENO);
+	close(STDERR_FILENO);
+}
+
+void 
+process_command_ccnneighbor(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( ccnneighbor router_name faceX)\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *rtr_name,*face;
+
+	rtr_name=strtok_r(command,sep,&rem);
+	if(rtr_name==NULL)
+	{
+		printf(" Wrong Command Format ( ccnneighbor router_name faceX)\n");
+		return;
+	}
+
+	face=strtok_r(NULL,sep,&rem);
+	if(face==NULL)
+	{
+		printf(" Wrong Command Format ( ccnneighbor router_name faceX)\n");
+		return;
+	}
+
+	printf("Router: %s face: %s\n",rtr_name,face);
+	int face_id;
+	int res;
+	res=sscanf(face,"face%d",&face_id);
+
+	if(res != 1 )
+	{
+		printf(" Wrong Command Format ( ccnneighbor router_name faceX) where X is integer\n");
+		return;
+	}
+
+	if ( rtr_name[strlen(rtr_name)-1] == '/' )
+	{
+		rtr_name[strlen(rtr_name)-1]='\0';
+	}
+	struct name_prefix *nbr=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+	nbr->name=(char *)malloc(strlen(rtr_name)+1);
+	memset(nbr->name,0,strlen(rtr_name)+1);
+	memcpy(nbr->name,rtr_name,strlen(rtr_name)+1);
+	nbr->length=strlen(rtr_name)+1;
+
+	add_nbr_to_adl(nbr,face_id);
+
+	free(nbr->name);
+	free(nbr);
+}
+
+void 
+process_command_ccnname(char *command)
+{
+
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( ccnname /name/prefix)\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *name;
+	name=strtok_r(command,sep,&rem);
+	if(name==NULL)
+	{
+		printf(" Wrong Command Format ( ccnname /name/prefix/ )\n");
+		return;
+	}
+
+	printf("Name Prefix: %s \n",name);
+
+	if ( name[strlen(name)-1] == '/' )
+		name[strlen(name)-1]='\0';
+
+	struct name_prefix *np=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+	np->name=(char *)malloc(strlen(name)+1);
+	memset(np->name,0,strlen(name)+1);
+	memcpy(np->name,name,strlen(name)+1);
+	np->length=strlen(name)+1;
+
+	add_name_to_npl(np);
+
+	free(np->name);
+	free(np);
+}
+
+
+void 
+process_command_router_name(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( router-name /router/name )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *rtr_name;
+
+	rtr_name=strtok_r(command,sep,&rem);
+	if(rtr_name==NULL)
+	{
+		printf(" Wrong Command Format ( router-name /router/name )\n");
+		return;
+	}
+	
+
+	if ( rtr_name[strlen(rtr_name)-1] == '/' )
+		rtr_name[strlen(rtr_name)-1]='\0';
+
+	nlsr->router_name=(char *)malloc(strlen(rtr_name)+1);
+	memset(nlsr->router_name,0,strlen(rtr_name)+1);
+	memcpy(nlsr->router_name,rtr_name,strlen(rtr_name)+1);
+
+
+}
+
+void 
+process_command_lsdb_synch_interval(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( lsdb-synch-interval secs )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *secs;
+	long int seconds;
+	
+	secs=strtok_r(command,sep,&rem);
+	if(secs==NULL)
+	{
+		printf(" Wrong Command Format ( lsdb-synch-interval secs)\n");
+		return;
+	}
+
+	seconds=atoi(secs);
+	if ( seconds >= 120 && seconds <= 3600 )
+	{
+		nlsr->lsdb_synch_interval=seconds;
+	}
+
+}
+
+
+void 
+process_command_interest_retry(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( interest-retry number )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *retry;
+	long int retry_number;
+	
+	retry=strtok_r(command,sep,&rem);
+	if(retry==NULL)
+	{
+		printf(" Wrong Command Format ( interest-retry number)\n");
+		return;
+	}
+
+	retry_number=atoi(retry);
+	if ( retry_number >= 1 && retry_number<=10 )
+	{
+		nlsr->interest_retry=retry_number;
+	}
+
+}
+
+void 
+process_command_interest_resend_time(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( interest-resend-time secs )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *secs;
+	long int seconds;
+	
+	secs=strtok_r(command,sep,&rem);
+	if(secs==NULL)
+	{
+		printf(" Wrong Command Format ( interest-resend-time secs)\n");
+		return;
+	}
+
+	seconds=atoi(secs);
+	if ( seconds <= 60 && seconds >= 1 )
+	{
+		nlsr->interest_resend_time=seconds;
+	}
+}
+
+
+void 
+process_command_lsa_refresh_time(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( lsa-refresh-time secs )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *secs;
+	long int seconds;
+	
+	secs=strtok_r(command,sep,&rem);
+	if(secs==NULL)
+	{
+		printf(" Wrong Command Format ( lsa-refresh-time secs)\n");
+		return;
+	}
+
+	seconds=atoi(secs);
+	if ( seconds >= 240 && seconds <= 3600 )
+	{
+		nlsr->lsa_refresh_time=seconds;
+	}
+
+}
+
+void 
+process_command_router_dead_interval(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( router-dead-interval secs )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *secs;
+	long int seconds;
+	
+	secs=strtok_r(command,sep,&rem);
+	if(secs==NULL)
+	{
+		printf(" Wrong Command Format ( router-dead-interval secs)\n");
+		return;
+	}
+
+	seconds=atoi(secs);
+	if ( seconds >= 360 && seconds <= 5400 )
+	{
+		nlsr->router_dead_interval=seconds;
+	}
+
+}
+
+void 
+process_command_multi_path_face_num(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( multi-path-face-num n )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *num;
+	long int number;
+	
+	num=strtok_r(command,sep,&rem);
+	if(num==NULL)
+	{
+		printf(" Wrong Command Format ( multi-path-face-num n)\n");
+		return;
+	}
+
+	number=atoi(num);
+	if ( number >= 0 && number <= 60 )
+	{
+		nlsr->multi_path_face_num=number;
+	}
+
+}
+
+void 
+process_command_logdir(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( logdir /path/to/logdir )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *dir;
+
+	dir=strtok_r(command,sep,&rem);
+	if(dir==NULL)
+	{
+		printf(" Wrong Command Format ( logdir /path/to/logdir/ )\n");
+		return;
+	}
+	
+	nlsr->logDir=(char *)malloc(strlen(dir)+1);
+	memset(nlsr->logDir,0,strlen(dir)+1);
+	memcpy(nlsr->logDir,dir,strlen(dir));
+}
+
+void 
+process_command_detailed_log(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( detailed-log on/off )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *on_off;
+
+	on_off=strtok_r(command,sep,&rem);
+	if(on_off==NULL)
+	{
+		printf(" Wrong Command Format ( detailed-log on/off )\n");
+		return;
+	}
+	
+	if ( strcmp(on_off,"ON") == 0  || strcmp(on_off,"on") == 0)
+	{
+		nlsr->detailed_logging=1;
+	}
+}
+
+void 
+process_command_debug(char *command)
+{
+	if(command==NULL)
+	{
+		printf(" Wrong Command Format ( debug on/off )\n");
+		return;
+	}
+	char *rem;
+	const char *sep=" \t\n";
+	char *on_off;
+
+	on_off=strtok_r(command,sep,&rem);
+	if(on_off==NULL)
+	{
+		printf(" Wrong Command Format ( debug on/off )\n");
+		return;
+	}
+	
+	if ( strcmp(on_off,"ON") == 0 || strcmp(on_off,"on") == 0 )
+	{
+		nlsr->debugging=1;
+	}
+}
+
+void 
+process_conf_command(char *command)
+{
+	const char *separators=" \t\n";
+	char *remainder=NULL;
+	char *cmd_type=NULL;
+
+	if(command==NULL || strlen(command)==0 || command[0]=='!')
+		return;	
+
+	cmd_type=strtok_r(command,separators,&remainder);
+
+	if(!strcmp(cmd_type,"router-name") )
+	{
+		process_command_router_name(remainder);
+	}
+	else if(!strcmp(cmd_type,"ccnneighbor") )
+	{
+		process_command_ccnneighbor(remainder);
+	} 
+	else if(!strcmp(cmd_type,"ccnname") )
+	{
+		process_command_ccnname(remainder);
+	}
+	else if(!strcmp(cmd_type,"lsdb-synch-interval") )
+	{
+		process_command_lsdb_synch_interval(remainder);
+	}
+	else if(!strcmp(cmd_type,"interest-retry") )
+	{
+		process_command_interest_retry(remainder);
+	}
+	else if(!strcmp(cmd_type,"interest-resend-time") )
+	{
+		process_command_interest_resend_time(remainder);
+	}
+	else if(!strcmp(cmd_type,"lsa-refresh-time") )
+	{
+		process_command_lsa_refresh_time(remainder);
+	}
+	else if(!strcmp(cmd_type,"router-dead-interval") )
+	{
+		process_command_router_dead_interval(remainder);
+	}
+	else if(!strcmp(cmd_type,"multi-path-face-num") )
+	{
+		process_command_multi_path_face_num(remainder);
+	}
+	else if(!strcmp(cmd_type,"logdir") )
+	{
+			process_command_logdir(remainder);
+	}
+	else if(!strcmp(cmd_type,"detailed-log") )
+	{
+			process_command_detailed_log(remainder);
+	}
+	else if(!strcmp(cmd_type,"debug") )
+	{
+			process_command_debug(remainder);
+	}
+	else 
+	{
+		printf("Wrong configuration Command %s \n",cmd_type);
+	}
+}
+
+
+int 
+readConfigFile(const char *filename)
+{
+	FILE *cfg;
+	char buf[1024];
+	int len;
+
+	cfg=fopen(filename, "r");
+
+	if(cfg == NULL)
+	{
+		printf("\nConfiguration File does not exists\n");
+		exit(1);	
+	}
+
+	while(fgets((char *)buf, sizeof(buf), cfg))
+	{
+		len=strlen(buf);
+		if(buf[len-1] == '\n')
+		buf[len-1]='\0';
+		if ( buf[0] != '#' && buf[0] != '!') 
+			process_conf_command(buf);	
+	}
+
+	fclose(cfg);
+
+	return 0;
+}
+
+char *
+process_api_client_command(char *command)
+{
+	char *msg;
+	msg=(char *)malloc(100);	
+	memset(msg,100,0);
+	
+	const char *sep=" \t\n";
+	char *rem=NULL;
+	char *cmd_type=NULL;
+	char *op_type=NULL;
+	char *name=NULL;
+	char *face=NULL;
+	int face_id;
+	int res;
+
+	op_type=strtok_r(command,sep,&rem);
+	cmd_type=strtok_r(NULL,sep,&rem);
+	name=strtok_r(NULL,sep,&rem);
+	if ( name[strlen(name)-1] == '/' )
+		name[strlen(name)-1]='\0';
+
+	struct name_prefix *np=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+	np->name=(char *)malloc(strlen(name)+1);
+	memset(np->name,0,strlen(name)+1);
+	memcpy(np->name,name,strlen(name)+1);
+	np->length=strlen(name)+1;
+
+	if ( strcmp(cmd_type,"name")!= 0 )
+	{
+		face=strtok_r(NULL,sep,&rem);
+		sscanf(face,"face%d",&face_id);
+	}
+	
+	if ( strcmp(cmd_type,"name")== 0 )
+	{
+		if ( strcmp(op_type,"del") == 0 ) 
+		{
+			res=does_name_exist_in_npl(np);
+			if ( res == 0)
+			{
+				sprintf(msg,"Name %s does not exist !!",name);
+			}
+			else
+			{
+				long int ls_id=get_lsa_id_from_npl(np);
+				if ( ls_id != 0 )
+				{
+					make_name_lsa_invalid(np,LS_TYPE_NAME,ls_id);
+					sprintf(msg,"Name %s has been deleted and Advertised.",name);
+				}
+				else 
+				{
+					sprintf(msg,"Name %s does not have an Name LSA yet !!",name);
+				}
+			}			
+		}
+		else if ( strcmp(op_type,"add") == 0 )
+		{
+			res=does_name_exist_in_npl(np);
+			if ( res == 0)
+			{
+				add_name_to_npl(np);
+				build_and_install_single_name_lsa(np);
+				sprintf(msg,"Name %s has been added to advertise.",name);
+			}
+			else
+			{
+				sprintf(msg,"Name %s has already been advertised from this router !!",name);
+			}
+		} 
+	}
+	else if ( strcmp(cmd_type,"neighbor") == 0 )
+	{
+		if ( strcmp(op_type,"del") == 0 ) 
+		{
+			res=is_neighbor(np->name);
+			if ( res == 0)
+			{
+				sprintf(msg,"Neighbor %s does not exist !!",name);
+			}
+			else
+			{
+				update_adjacent_status_to_adl(np,NBR_DOWN);
+				delete_nbr_from_adl(np);
+				if(!nlsr->is_build_adj_lsa_sheduled)
+				{
+					nlsr->event_build_adj_lsa = ccn_schedule_event(nlsr->sched, 1000, &build_and_install_adj_lsa, NULL, 0);
+					nlsr->is_build_adj_lsa_sheduled=1;		
+				}
+				sprintf(msg,"Neighbor %s has been deleted from adjacency list.",name);	
+			}
+		}
+		else if ( strcmp(op_type,"add") == 0 )
+		{
+			res=is_neighbor(np->name);
+			if ( res == 0 )
+			{
+				add_nbr_to_adl(np,face_id);
+				sprintf(msg,"Neighbor %s has been added to adjacency list.",name);
+			}
+			else
+			{
+				sprintf(msg,"Neighbor %s already exists in adjacency list.",name);
+			}
+		}
+	}
+		
+
+	return msg;
+}
+
+int
+nlsr_api_server_poll(long int time_out_micro_sec, int ccn_fd)
+{
+	struct timeval timeout;
+	if ( time_out_micro_sec < 0 )
+	{
+		timeout.tv_sec=1;
+		timeout.tv_usec=0;
+	}
+	else
+	{
+		time_out_micro_sec=(long int)time_out_micro_sec*0.4;
+		timeout.tv_sec=time_out_micro_sec / 1000000;
+		timeout.tv_usec=time_out_micro_sec % 1000000;
+	}
+
+	
+	int fd;
+	int nread;
+	int result;
+	fd_set testfds;
+	unsigned int client_len;
+	int client_sockfd;
+	char recv_buffer[1024];
+	bzero(recv_buffer,1024);
+	struct sockaddr_in client_address;
+
+	testfds=nlsr->readfds;
+	result = select(FD_SETSIZE, &testfds, NULL,NULL, &timeout);
+	
+	for(fd = 0; fd < FD_SETSIZE; fd++) 
+	{
+		if(FD_ISSET(fd,&testfds)) 
+		{
+			if ( fd == ccn_fd )
+			{
+				return 0;
+			}			
+			else if(fd == nlsr->nlsr_api_server_sock_fd)
+			{
+				client_len = sizeof(client_address);
+				client_sockfd = accept(nlsr->nlsr_api_server_sock_fd,(struct sockaddr *)&client_address, &client_len);
+				FD_SET(client_sockfd, &nlsr->readfds);
+			}
+			else
+			{   
+					
+				ioctl(fd, FIONREAD, &nread);
+				if(nread == 0) 
+				{
+					close(fd);
+					FD_CLR(fd, &nlsr->readfds);
+				}
+				else 
+				{
+					recv(fd, recv_buffer, 1024, 0);
+					printf("Received Data from NLSR API cleint: %s \n",recv_buffer);
+					char *msg=process_api_client_command(recv_buffer);
+					send(fd, msg, strlen(msg),0);
+					free(msg);
+					close(fd);
+					FD_CLR(fd, &nlsr->readfds);
+				}
+			}
+		}
+	}
+
+	return 0;
+}
+
+void 
+nlsr_destroy( void )
+{
+	if ( nlsr->debugging )
+	{
+		printf("Freeing Allocated Memory....\n");
+	}	
+	writeLogg(__FILE__,__FUNCTION__,__LINE__,"Freeing Allocated Memory....\n");	
+	/* Destroying all face created by nlsr in CCND */
+	destroy_all_face_by_nlsr();	
+
+	/* Destroying every hash table attached to each neighbor in ADL before destorying ADL */	
+	hashtb_destroy(&nlsr->npl);
+	hashtb_destroy(&nlsr->adl);	
+	hashtb_destroy(&nlsr->lsdb->name_lsdb);
+	hashtb_destroy(&nlsr->lsdb->adj_lsdb);
+	hashtb_destroy(&nlsr->pit_alsa);
+
+	//To Do: has to destroy the face_list one by one 	
+
+	hashtb_destroy(&nlsr->routing_table);
+
+
+	int i, npt_element;
+	struct npt_entry *ne;
+	struct hashtb_enumerator ee;
+    	struct hashtb_enumerator *e = &ee;
+    	hashtb_start(nlsr->npt, e);
+	npt_element=hashtb_n(nlsr->npt);
+	for(i=0;i<npt_element;i++)
+	{
+		ne=e->data;
+		hashtb_destroy(&ne->name_list);
+		hashtb_destroy(&ne->face_list);	
+		hashtb_next(e);		
+	}
+
+	hashtb_end(e);
+	hashtb_destroy(&nlsr->npt);
+
+
+	ccns_close(&nlsr->ccns, NULL, NULL);
+	ccns_slice_destroy(&nlsr->slice);
+
+
+
+	close(nlsr->nlsr_api_server_sock_fd);	
+
+	ccn_schedule_destroy(&nlsr->sched);
+	ccn_destroy(&nlsr->ccn);
+
+	free(nlsr->lsdb->lsdb_version);
+	free(nlsr->lsdb);
+	free(nlsr->router_name);
+	free(nlsr);
+	if ( nlsr->debugging )
+	{
+		printf("Finished freeing allocated memory\n");
+	}
+	writeLogg(__FILE__,__FUNCTION__,__LINE__,"Finished freeing allocated memory\n");
+
+}
+
+
+
+void
+init_api_server(int ccn_fd)
+{
+	int server_sockfd;
+	int server_len;
+	struct sockaddr_in server_address;
+	unsigned int yes=1;	
+
+	server_sockfd = socket(AF_INET, SOCK_STREAM, 0);
+
+	int flags = fcntl(server_sockfd, F_GETFL, 0);
+	fcntl(server_sockfd, F_SETFL, O_NONBLOCK|flags);
+
+	if (setsockopt(server_sockfd,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(yes)) < 0) 
+	{
+       		ON_ERROR_DESTROY(-1);
+       	}
+
+	server_address.sin_family = AF_INET;
+	server_address.sin_addr.s_addr = inet_addr("127.0.0.1");
+	server_address.sin_port = nlsr->api_port;
+
+	server_len = sizeof(server_address);
+	bind(server_sockfd, (struct sockaddr *)&server_address, server_len);
+	listen(server_sockfd, 100);
+	FD_ZERO(&nlsr->readfds);
+	FD_SET(server_sockfd, &nlsr->readfds);
+	FD_SET(ccn_fd, &nlsr->readfds);
+	nlsr->nlsr_api_server_sock_fd=server_sockfd;
+
+}
+
+int 
+init_nlsr(void)
+{
+	if (signal(SIGQUIT, nlsr_stop_signal_handler ) == SIG_ERR) 
+	{
+		perror("SIGQUIT install error\n");
+		return -1;
+	}
+	if (signal(SIGTERM, nlsr_stop_signal_handler ) == SIG_ERR) 
+	{
+		perror("SIGTERM install error\n");
+		return -1;
+    	}
+ 	if (signal(SIGINT, nlsr_stop_signal_handler ) == SIG_ERR)
+	{
+		perror("SIGTERM install error\n");
+		return -1;
+	}
+
+	nlsr=(struct nlsr *)malloc(sizeof(struct nlsr));
+	
+	struct hashtb_param param_adl = {0};
+	nlsr->adl=hashtb_create(sizeof(struct ndn_neighbor), &param_adl);
+	struct hashtb_param param_npl = {0};
+	nlsr->npl = hashtb_create(sizeof(struct name_prefix_list_entry), &param_npl);
+	struct hashtb_param param_pit_alsa = {0};	
+	nlsr->pit_alsa = hashtb_create(sizeof(struct pending_interest), &param_pit_alsa);
+	struct hashtb_param param_npt = {0};	
+	nlsr->npt = hashtb_create(sizeof(struct npt_entry), &param_npt);
+	struct hashtb_param param_rte = {0};	
+	nlsr->routing_table = hashtb_create(sizeof(struct routing_table_entry), &param_rte);
+
+	nlsr->in_interest.p = &incoming_interest;
+	nlsr->in_content.p = &incoming_content;
+
+	nlsr->lsdb=(struct linkStateDatabase *)malloc(sizeof(struct linkStateDatabase));
+
+	char *time_stamp=(char *)malloc(20);
+	memset(time_stamp,0,20);
+	get_current_timestamp_micro(time_stamp);
+	nlsr->lsdb->lsdb_version=(char *)malloc(strlen(time_stamp)+1);
+	memset(nlsr->lsdb->lsdb_version,'0',strlen(time_stamp));
+	free(time_stamp);
+	
+	struct hashtb_param param_adj_lsdb = {0};
+	nlsr->lsdb->adj_lsdb = hashtb_create(sizeof(struct alsa), &param_adj_lsdb);
+	struct hashtb_param param_name_lsdb = {0};
+	nlsr->lsdb->name_lsdb = hashtb_create(sizeof(struct nlsa), &param_name_lsdb);
+	
+	
+
+
+	nlsr->is_synch_init=1;
+	nlsr->nlsa_id=0;
+	nlsr->adj_build_flag=0;
+	nlsr->adj_build_count=0;
+	nlsr->is_build_adj_lsa_sheduled=0;
+	nlsr->is_send_lsdb_interest_scheduled=0;
+	nlsr->is_route_calculation_scheduled=0;	
+
+	nlsr->detailed_logging=0;
+	nlsr->debugging=0;
+
+	nlsr->lsdb_synch_interval = LSDB_SYNCH_INTERVAL;
+	nlsr->interest_retry = INTEREST_RETRY;
+	nlsr->interest_resend_time = INTEREST_RESEND_TIME;
+	nlsr->lsa_refresh_time=LSA_REFRESH_TIME;
+	nlsr->router_dead_interval=ROUTER_DEAD_INTERVAL;
+	nlsr->multi_path_face_num=MULTI_PATH_FACE_NUM;
+	nlsr->semaphor=NLSR_UNLOCKED;
+
+	nlsr->api_port=API_PORT;
+
+	//create_sync_slice();
+
+	nlsr->topo_prefix=(char *)malloc(strlen("/ndn/routing/nlsr")+1);
+	memset(nlsr->topo_prefix,strlen("/ndn/routing/nlsr")+1,0);
+	memcpy(nlsr->topo_prefix,"/ndn/routing/nlsr",strlen("/ndn/routing/nlsr"));
+
+	nlsr->slice_prefix=(char *)malloc(strlen("/ndn/routing/nlsr/LSA")+1);
+	memset(nlsr->slice_prefix,strlen("/ndn/routing/nlsr/LSA")+1,0);
+	memcpy(nlsr->slice_prefix,"/ndn/routing/nlsr/LSA",strlen("/ndn/routing/nlsr/LSA"));
+
+	return 0;
+}
+
+
+int 
+main(int argc, char *argv[])
+{
+    	int res, ret;
+    	char *config_file;
+	int daemon_mode=0;
+	int port=0;
+
+	
+
+	while ((res = getopt_long(argc, argv, "df:p:h", longopts, 0)) != -1) 
+	{
+        	switch (res) 
+		{
+			case 'd':
+				daemon_mode = 1;
+				break;
+			case 'f':
+				config_file = optarg;
+				break;
+			case 'p':
+				port = atoi(optarg);
+				break;
+			case 'h':
+			default:
+				usage(argv[0]);
+		}
+    	}
+
+	ret=init_nlsr();	
+    	ON_ERROR_EXIT(ret);
+
+	if ( port !=0 )
+		nlsr->api_port=port;
+
+	readConfigFile(config_file);
+	if ( daemon_mode == 1 )
+	{
+		daemonize_nlsr();
+	}
+	
+	startLogging(nlsr->logDir);
+	
+	nlsr->ccn=ccn_create();
+	int ccn_fd=ccn_connect(nlsr->ccn, NULL);
+	if(ccn_fd == -1)
+	{
+		fprintf(stderr,"Could not connect to ccnd\n");
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Could not connect to ccnd\n");
+		ON_ERROR_DESTROY(-1);
+	}
+
+	init_api_server(ccn_fd);
+
+	create_sync_slice(nlsr->topo_prefix, nlsr->slice_prefix);	
+
+	struct ccn_charbuf *router_prefix;	
+	router_prefix=ccn_charbuf_create(); 
+	res=ccn_name_from_uri(router_prefix,nlsr->router_name);		
+	if(res<0)
+	{
+		fprintf(stderr, "Bad ccn URI: %s\n",nlsr->router_name);
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Bad ccn URI: %s\n",nlsr->router_name);
+		ON_ERROR_DESTROY(res);
+	}
+
+	ccn_name_append_str(router_prefix,"nlsr");
+	nlsr->in_interest.data=nlsr->router_name;
+	res=ccn_set_interest_filter(nlsr->ccn,router_prefix,&nlsr->in_interest);
+	if ( res < 0 )
+	{
+		fprintf(stderr,"Failed to register interest for router\n");
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Failed to register interest for router\n");
+		ON_ERROR_DESTROY(res);
+	}
+	ccn_charbuf_destroy(&router_prefix);
+	
+	if ( nlsr->debugging )
+		printf("Router Name : %s\n",nlsr->router_name);
+	writeLogg(__FILE__,__FUNCTION__,__LINE__,"Router Name : %s\n",nlsr->router_name);
+	if ( nlsr->debugging )
+		printf("lsdb_version: %s\n",nlsr->lsdb->lsdb_version);
+	writeLogg(__FILE__,__FUNCTION__,__LINE__,"lsdb_version: %s\n",nlsr->lsdb->lsdb_version);
+
+	print_name_prefix_from_npl();
+	print_adjacent_from_adl();
+	build_and_install_name_lsas();
+	print_name_lsdb();	
+
+	sync_monitor(nlsr->topo_prefix,nlsr->slice_prefix);
+
+	write_name_lsdb_to_repo(nlsr->slice_prefix);
+
+	//write_data_to_repo();
+
+	nlsr->sched = ccn_schedule_create(nlsr, &ndn_rtr_ticker);
+	//nlsr->event_send_info_interest = ccn_schedule_event(nlsr->sched, 1, &send_info_interest, NULL, 0);
+	//nlsr->event = ccn_schedule_event(nlsr->sched, 60000000, &refresh_lsdb, NULL, 0);
+
+	
+	while(1)
+	{	
+		if ( nlsr->semaphor == NLSR_UNLOCKED  )
+		{
+			if( nlsr->sched != NULL )
+			{
+				long int micro_sec=ccn_schedule_run(nlsr->sched);
+				res=nlsr_api_server_poll(micro_sec,ccn_fd);
+				ON_ERROR_DESTROY(res);
+			}
+			if(nlsr->ccn != NULL)
+			{
+        			res = ccn_run(nlsr->ccn, 0);
+			}
+			if (!(nlsr->sched && nlsr->ccn))
+			{	      
+				break;
+			}
+		}
+
+	}
+	
+
+	return 0;
+}
+