diff --git a/nlsr-sync-0.0/nlsr_ndn.c b/nlsr-sync-0.0/nlsr_ndn.c
new file mode 100755
index 0000000..9af0a05
--- /dev/null
+++ b/nlsr-sync-0.0/nlsr_ndn.c
@@ -0,0 +1,1613 @@
+#include<stdio.h>
+#include<string.h>
+#include<stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <sys/time.h>
+#include <assert.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 "nlsr.h"
+#include "nlsr_ndn.h"
+#include "nlsr_npl.h"
+#include "nlsr_adl.h"
+#include "nlsr_lsdb.h"
+#include "utility.h"
+
+int
+appendLifetime(struct ccn_charbuf *cb, int lifetime) 
+{
+	unsigned char buf[sizeof(int32_t)];
+	int32_t dreck = lifetime << 12;
+	int pos = sizeof(int32_t);
+	int res = 0;
+	while (dreck > 0 && pos > 0) 
+	{
+		pos--;
+		buf[pos] = dreck & 255;
+		dreck = dreck >> 8;
+	}
+	res |= ccnb_append_tagged_blob(cb, CCN_DTAG_InterestLifetime, buf+pos, sizeof(buf)-pos);
+	return res;
+}
+
+
+void 
+get_nbr(struct name_prefix *nbr,struct ccn_closure *selfp, struct ccn_upcall_info *info)
+{
+	if ( nlsr->debugging )
+		printf("get_nbr called\n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"get_nbr called\n");
+
+	int res,i;
+	int nlsr_position=0;
+	int name_comps=(int)info->interest_comps->n;
+	int len=0;
+
+	for(i=0;i<name_comps;i++)
+	{
+		res=ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,i,"nlsr");
+		if( res == 0)
+		{
+			nlsr_position=i;
+			break;
+		}	
+	}
+
+
+	const unsigned char *comp_ptr1;
+	size_t comp_size;
+	for(i=0;i<nlsr_position;i++)
+	{
+		res=ccn_name_comp_get(info->interest_ccnb, info->interest_comps,i,&comp_ptr1, &comp_size);
+		len+=1;
+		len+=(int)comp_size;	
+	}
+	len++;
+
+	char *neighbor=(char *)malloc(len);
+	memset(neighbor,0,len);
+
+	for(i=0; i<nlsr_position;i++)
+	{
+		res=ccn_name_comp_get(info->interest_ccnb, info->interest_comps,i,&comp_ptr1, &comp_size);
+		memcpy(neighbor+strlen(neighbor),"/",1);
+		memcpy(neighbor+strlen(neighbor),(char *)comp_ptr1,strlen((char *)comp_ptr1));
+
+	}
+
+	nbr->name=(char *)malloc(strlen(neighbor)+1);
+	memcpy(nbr->name,neighbor,strlen(neighbor)+1);
+	nbr->length=strlen(neighbor)+1;
+
+	if ( nlsr->debugging )
+		printf("Neighbor: %s Length: %d\n",nbr->name,nbr->length);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Neighbor: %s Length: %d\n",nbr->name,nbr->length);
+
+	
+
+}
+
+void 
+get_lsa_identifier(struct name_prefix *lsaId,struct ccn_closure *selfp, struct ccn_upcall_info *info, int offset)
+{
+
+	//printf("get_lsa_identifier called\n");
+
+	if ( nlsr->debugging )
+		printf("get_lsa_identifier called\n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"get_lsa_identifier called\n");
+	
+	int res,i;
+	int nlsr_position=0;
+	int name_comps=(int)info->interest_comps->n;
+	int len=0;
+
+	for(i=0;i<name_comps;i++)
+	{
+		res=ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,i,"nlsr");
+		if( res == 0)
+		{
+			nlsr_position=i;
+			break;
+		}	
+	}
+
+
+	const unsigned char *comp_ptr1;
+	size_t comp_size;
+	for(i=nlsr_position+3+offset;i<info->interest_comps->n-1;i++)
+	{
+		res=ccn_name_comp_get(info->interest_ccnb, info->interest_comps,i,&comp_ptr1, &comp_size);
+		len+=1;
+		len+=(int)comp_size;	
+	}
+	len++;
+
+	char *neighbor=(char *)malloc(len);
+	memset(neighbor,0,len);
+
+	for(i=nlsr_position+3+offset; i<info->interest_comps->n-1;i++)
+	{
+		res=ccn_name_comp_get(info->interest_ccnb, info->interest_comps,i,&comp_ptr1, &comp_size);
+		memcpy(neighbor+strlen(neighbor),"/",1);
+		memcpy(neighbor+strlen(neighbor),(char *)comp_ptr1,strlen((char *)comp_ptr1));
+
+	}
+
+	lsaId->name=(char *)malloc(strlen(neighbor)+1);
+	memset(lsaId->name,0,strlen(neighbor)+1);
+	memcpy(lsaId->name,neighbor,strlen(neighbor)+1);
+	lsaId->length=strlen(neighbor)+1;
+
+	if ( nlsr->debugging )
+		printf("LSA Identifier: %s Length: %d\n",lsaId->name,lsaId->length-1);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"LSA Identifier: %s Length: %d\n",lsaId->name,lsaId->length-1);
+
+	//printf("LSA Identifier: %s Length: %d\n",lsaId->name,lsaId->length-1);
+
+
+}
+
+int 
+get_ls_type(struct ccn_closure *selfp, struct ccn_upcall_info *info)
+{
+	int res,i;
+	int nlsr_position=0;
+	int name_comps=(int)info->interest_comps->n;
+
+	int ret=0;
+
+	for(i=0;i<name_comps;i++)
+	{
+		res=ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,i,"nlsr");
+		if( res == 0)
+		{
+			nlsr_position=i;
+			break;
+		}	
+	}
+
+
+	const unsigned char *comp_ptr1;
+	size_t comp_size;
+	res=ccn_name_comp_get(info->interest_ccnb, info->interest_comps,nlsr_position+2,&comp_ptr1, &comp_size);
+
+	ret=atoi((char *)comp_ptr1);
+
+	return ret;	
+
+}
+
+void 
+get_lsdb_version(char *lsdb_version,struct ccn_closure *selfp, struct ccn_upcall_info *info )
+{
+	const unsigned char *comp_ptr1;
+	size_t comp_size;
+	ccn_name_comp_get(info->content_ccnb, info->content_comps,info->content_comps->n-2,&comp_ptr1, &comp_size);
+	memcpy(lsdb_version,(char *)comp_ptr1,(int)comp_size);
+
+}
+
+
+/* Call back function registered in ccnd to get all interest coming to NLSR application */
+
+enum ccn_upcall_res 
+incoming_interest(struct ccn_closure *selfp,
+        enum ccn_upcall_kind kind, struct ccn_upcall_info *info)
+{
+
+    nlsr_lock();    
+
+    switch (kind) {
+        case CCN_UPCALL_FINAL:
+            break;
+        case CCN_UPCALL_INTEREST:
+		// printing the name prefix for which it received interest
+		if ( nlsr->debugging )
+            		printf("Interest Received for name: "); 
+		if ( nlsr->detailed_logging )
+            		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Interest Received for name: ");
+		
+	    	struct ccn_charbuf*c;
+		c=ccn_charbuf_create();
+		ccn_uri_append(c,info->interest_ccnb,info->pi->offset[CCN_PI_E_Name],0);
+
+		if ( nlsr->debugging )
+			printf("%s\n",ccn_charbuf_as_string(c));
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"%s\n",ccn_charbuf_as_string(c));
+
+		ccn_charbuf_destroy(&c);
+
+		process_incoming_interest(selfp, info);
+		
+		break;
+
+        default:
+            break;
+    }
+
+     nlsr_unlock();
+
+    return CCN_UPCALL_RESULT_OK;
+}
+
+/* Function for processing incoming interest and reply with content/NACK content */
+
+void 
+process_incoming_interest(struct ccn_closure *selfp, struct ccn_upcall_info *info)
+{
+	if ( nlsr->debugging )
+		printf("process_incoming_interest called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_interest called \n");
+	
+	const unsigned char *comp_ptr1;
+	size_t comp_size;
+	int res,i;
+	int nlsr_position=0;
+	int name_comps=(int)info->interest_comps->n;
+
+	for(i=0;i<name_comps;i++)
+	{
+		res=ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,i,"nlsr");
+		if( res == 0)
+		{
+			nlsr_position=i;
+			break;
+		}	
+	}
+
+	res=ccn_name_comp_get(info->interest_ccnb, info->interest_comps,nlsr_position+1,&comp_ptr1, &comp_size);
+
+	//printf("Det= %s \n",comp_ptr1);
+
+	if(!strcmp((char *)comp_ptr1,"info"))
+	{
+		process_incoming_interest_info(selfp,info);
+	}
+	if(!strcmp((char *)comp_ptr1,"lsdb"))
+	{
+		process_incoming_interest_lsdb(selfp,info);
+	}
+	if(!strcmp((char *)comp_ptr1,"lsa"))
+	{
+		process_incoming_interest_lsa(selfp,info);
+	}
+}
+
+void 
+process_incoming_interest_info(struct ccn_closure *selfp, struct ccn_upcall_info *info)
+{
+	if ( nlsr->debugging )
+	{
+		printf("process_incoming_interest_info called \n");
+		printf("Sending Info Content back.....\n");
+	}
+	if ( nlsr->detailed_logging )
+	{
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_interest_info called \n");
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending Info Content back.....\n");
+	}
+	
+
+	int res;
+	struct ccn_charbuf *data=ccn_charbuf_create();
+    	struct ccn_charbuf *name=ccn_charbuf_create();
+    	struct ccn_signing_params sp=CCN_SIGNING_PARAMS_INIT;
+
+	res=ccn_charbuf_append(name, info->interest_ccnb + info->pi->offset[CCN_PI_B_Name],info->pi->offset[CCN_PI_E_Name] - info->pi->offset[CCN_PI_B_Name]);
+	if (res >= 0)
+	{
+		sp.template_ccnb=ccn_charbuf_create();
+		ccn_charbuf_append_tt(sp.template_ccnb,CCN_DTAG_SignedInfo, CCN_DTAG);
+		ccnb_tagged_putf(sp.template_ccnb, CCN_DTAG_FreshnessSeconds, "%ld", 10);
+       	 	sp.sp_flags |= CCN_SP_TEMPL_FRESHNESS;
+		ccn_charbuf_append_closer(sp.template_ccnb);
+
+
+		char *raw_data=(char *)malloc(16);
+		memset(raw_data,0,16);
+		sprintf(raw_data,"%ld", nlsr->lsdb_synch_interval);	
+
+		res= ccn_sign_content(nlsr->ccn, data, name, &sp, raw_data,strlen(raw_data)); 
+		if(res >= 0)
+		{
+			if ( nlsr->debugging )
+				printf("Signing info Content is successful \n");
+			if ( nlsr->detailed_logging )
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"Signing info Content is successful \n");
+
+		}
+    		res=ccn_put(nlsr->ccn,data->buf,data->length);		
+		if(res >= 0)
+		{
+			if ( nlsr->debugging )
+				printf("Sending Info Content is successful \n");
+			if ( nlsr->detailed_logging )
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending info Content is successful \n");
+		}
+		
+
+
+		struct name_prefix *nbr=(struct name_prefix * )malloc(sizeof(struct name_prefix *));
+		get_lsa_identifier(nbr,selfp,info,-1);
+
+		if ( nlsr->debugging )
+			printf("Neighbor : %s Length : %d Status : %d\n",nbr->name,nbr->length,get_adjacent_status(nbr));
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Neighbor : %s Length : %d Status : %d\n",nbr->name,nbr->length,get_adjacent_status(nbr));		
+
+		//printf("Neighbor : %s Length : %d Status : %d\n",nbr->name,nbr->length,get_adjacent_status(nbr));
+
+
+		if( get_adjacent_status(nbr) == 0 && get_timed_out_number(nbr)>=nlsr->interest_retry )
+		{
+			update_adjacent_timed_out_zero_to_adl(nbr);
+			send_info_interest_to_neighbor(nbr);
+		}
+
+		free(nbr);
+		free(raw_data);
+		ccn_charbuf_destroy(&sp.template_ccnb);
+	}
+
+	ccn_charbuf_destroy(&data);
+	ccn_charbuf_destroy(&name);
+
+}
+
+
+void 
+process_incoming_interest_lsdb(struct ccn_closure *selfp, struct ccn_upcall_info *info)
+{
+	//printf("process_incoming_interest_lsdb called \n");
+
+	if ( nlsr->debugging )
+		printf("process_incoming_interest_lsdb called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_interest_lsdb called \n");
+	
+
+	int l,res;
+	const unsigned char *exclbase;
+	size_t size;
+	struct ccn_buf_decoder decoder;
+	struct ccn_buf_decoder *d;
+	const unsigned char *comp;
+	int dbcmp=0;
+
+	l = info->pi->offset[CCN_PI_E_Exclude] - info->pi->offset[CCN_PI_B_Exclude];
+	if (l > 0) 
+	{
+		comp = NULL;
+		size = 0;
+		exclbase = info->interest_ccnb + info->pi->offset[CCN_PI_B_Exclude];
+		d = ccn_buf_decoder_start(&decoder, exclbase, l);
+		if (ccn_buf_match_dtag(d, CCN_DTAG_Exclude)) 
+		{
+			ccn_buf_advance(d);
+			if (ccn_buf_match_dtag(d, CCN_DTAG_Any))
+				ccn_buf_advance_past_element(d);
+			if (ccn_buf_match_dtag(d, CCN_DTAG_Component)) 
+			{
+				ccn_buf_advance(d);
+				ccn_buf_match_blob(d, &comp, &size);
+				ccn_buf_check_close(d);			
+
+
+			}
+			ccn_buf_check_close(d);
+		}
+		if (comp != NULL)
+		{
+			if ( nlsr->debugging )
+			{
+				printf("LSDB Version in Exclusion Filter is %s\n",comp);
+				printf("LSDB Version of own NLSR is: %s \n",nlsr->lsdb->lsdb_version);
+			}
+			if ( nlsr->detailed_logging )
+			{
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"LSDB Version in Exclusion Filter is %s\n",comp);
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"LSDB Version of own NLSR is: %s \n",nlsr->lsdb->lsdb_version);
+			}
+			dbcmp=strcmp(nlsr->lsdb->lsdb_version,(char *)comp);
+		}
+		/* Now comp points to the start of your potential number, and size is its length */
+	}
+	else
+	{
+		if ( nlsr->debugging )
+			printf("LSDB Version in Exclusion Filter is: None Added\n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"LSDB Version in Exclusion Filter is: None Added\n");
+		dbcmp=1;		
+
+	}
+
+	struct ccn_charbuf *data=ccn_charbuf_create();
+	struct ccn_charbuf *name=ccn_charbuf_create();
+	struct ccn_signing_params sp=CCN_SIGNING_PARAMS_INIT;
+	
+	ccn_charbuf_append(name, info->interest_ccnb + info->pi->offset[CCN_PI_B_Name],info->pi->offset[CCN_PI_E_Name] - info->pi->offset[CCN_PI_B_Name]);
+
+	sp.template_ccnb=ccn_charbuf_create();
+	ccn_charbuf_append_tt(sp.template_ccnb,CCN_DTAG_SignedInfo, CCN_DTAG);
+	ccnb_tagged_putf(sp.template_ccnb, CCN_DTAG_FreshnessSeconds, "%ld", 10);
+        sp.sp_flags |= CCN_SP_TEMPL_FRESHNESS;
+        ccn_charbuf_append_closer(sp.template_ccnb);
+
+
+	if(dbcmp>0)
+	{
+		if ( nlsr->debugging )
+		{
+			printf("Has Updated Database than Neighbor\n");
+			printf("Sending LSDB Summary of Updated LSDB Content...\n");			
+		}
+		if ( nlsr->detailed_logging )
+		{
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Has Updated Database than Neighbor\n");
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending LSDB Summary of Updated LSDB Content...\n");	
+		}
+		ccn_name_append_str(name,nlsr->lsdb->lsdb_version);
+
+		struct ccn_charbuf *lsdb_data=ccn_charbuf_create();
+		get_lsdb_summary(lsdb_data);
+
+		char *raw_data=ccn_charbuf_as_string(lsdb_data);
+
+		//printf("Content Data to be sent: %s \n",raw_data);		
+
+		if( nlsr->is_build_adj_lsa_sheduled == 1 || strlen((char *)raw_data) == 0 )
+		{
+			 res= ccn_sign_content(nlsr->ccn, data, name, &sp, "WAIT" , strlen("WAIT"));
+		}
+		else
+		{
+			res= ccn_sign_content(nlsr->ccn, data, name, &sp, raw_data , strlen(raw_data));
+		}
+
+		if(res >= 0)
+		{
+			if ( nlsr->debugging )
+				printf("Signing LSDB Summary of Updated LSDB Content is successful  \n");
+			if ( nlsr->detailed_logging )
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"Signing LSDB Summary of Updated LSDB Content is successful  \n");
+		}		
+
+	    	res=ccn_put(nlsr->ccn,data->buf,data->length);
+
+		if(res >= 0)
+		{
+			if ( nlsr->debugging )
+				printf("Sending LSDB Summary of Updated LSDB Content is successful  \n");
+			if ( nlsr->detailed_logging )
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending LSDB Summary of Updated LSDB Content is successful  \n");
+		}
+		
+		ccn_charbuf_destroy(&lsdb_data);
+	}
+	else
+	{
+		if ( nlsr->debugging )
+		{
+			printf("Does not have Updated Database than Neighbor\n");		
+			printf("Sending NACK Content.....\n");	
+		}
+		if ( nlsr->detailed_logging )
+		{
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Does not have Updated Database than Neighbor\n");		
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending NACK Content.....\n");
+		}
+
+		res= ccn_sign_content(nlsr->ccn, data, name, &sp, "NACK", strlen("NACK")); 
+
+		if(res >= 0)
+		{
+			if ( nlsr->debugging )
+				printf("Signing NACK Content is successful  \n");
+			if ( nlsr->detailed_logging )
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"Signing NACK Content is successful  \n");
+		}
+
+	    	res=ccn_put(nlsr->ccn,data->buf,data->length);
+
+		if(res >= 0)
+		{
+			if ( nlsr->debugging )
+				printf("Sending NACK Content is successful  \n");
+			if ( nlsr->detailed_logging )
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending NACK Content is successful  \n");
+		}
+
+		
+	}
+
+	ccn_charbuf_destroy(&data);
+	ccn_charbuf_destroy(&name);
+	ccn_charbuf_destroy(&sp.template_ccnb);
+
+
+}
+
+
+void 
+process_incoming_interest_lsa(struct ccn_closure *selfp, struct ccn_upcall_info *info)
+{
+	if ( nlsr->debugging )
+		printf("process_incoming_interest_lsa called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_interest_lsa called \n");
+
+	int res;
+
+	struct name_prefix *lsaId=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+	get_lsa_identifier(lsaId,selfp,info,0);
+
+	//printf("LSA Identifier: %s Length: %d\n",lsaId->name,lsaId->length);
+	int ls_type=get_ls_type(selfp, info);
+
+	struct ccn_charbuf *lsa_data=ccn_charbuf_create();
+
+	if ( ls_type == LS_TYPE_NAME )
+	{
+		if ( nlsr->debugging )
+			printf("Interest Received for NAME LSA \n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Interest Received for NAME LSA \n");
+		get_name_lsa_data(lsa_data,lsaId);
+	}
+	else if ( ls_type == LS_TYPE_ADJ )
+	{
+		if ( nlsr->debugging )
+			printf("Interest Received for ADJ LSA \n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Interest Received for ADJ LSA \n");
+		get_adj_lsa_data(lsa_data,lsaId);
+	}
+
+	char *rdata=ccn_charbuf_as_string(lsa_data);
+	char *raw_data=(char *)malloc(strlen(rdata)+1);
+	memset(raw_data,0,strlen(rdata)+1);
+	memcpy(raw_data,(char *)rdata,strlen(rdata)+1);
+	//printf("Content Data to be sent: %s\n",raw_data);
+
+	struct ccn_charbuf *data=ccn_charbuf_create();
+	struct ccn_charbuf *name=ccn_charbuf_create();
+	struct ccn_signing_params sp=CCN_SIGNING_PARAMS_INIT;
+
+	ccn_charbuf_append(name, info->interest_ccnb + info->pi->offset[CCN_PI_B_Name],info->pi->offset[CCN_PI_E_Name] - info->pi->offset[CCN_PI_B_Name]); 
+
+	sp.template_ccnb=ccn_charbuf_create();
+	ccn_charbuf_append_tt(sp.template_ccnb,CCN_DTAG_SignedInfo, CCN_DTAG);
+	ccnb_tagged_putf(sp.template_ccnb, CCN_DTAG_FreshnessSeconds, "%ld", 10);
+        sp.sp_flags |= CCN_SP_TEMPL_FRESHNESS;
+        ccn_charbuf_append_closer(sp.template_ccnb);
+
+	res= ccn_sign_content(nlsr->ccn, data, name, &sp, raw_data , strlen(raw_data)); 
+
+	if(res >= 0)
+	{
+		if ( nlsr->debugging )
+			printf("Signing LSA Content is successful  \n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Signing LSA Content is successful  \n");
+	}
+
+	res=ccn_put(nlsr->ccn,data->buf,data->length);
+
+	if(res >= 0)
+	{
+		if ( nlsr->debugging )
+			printf("Sending LSA Content is successful  \n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending LSA Content is successful  \n");
+	}
+
+
+
+	ccn_charbuf_destroy(&data);
+	ccn_charbuf_destroy(&name);
+	ccn_charbuf_destroy(&sp.template_ccnb);
+	ccn_charbuf_destroy(&lsa_data);
+
+	free(raw_data);
+	free(lsaId);
+}
+
+/* Call back function registered in ccnd to get all content coming to NLSR application */
+
+enum ccn_upcall_res incoming_content(struct ccn_closure* selfp,
+        enum ccn_upcall_kind kind, struct ccn_upcall_info* info)
+{
+
+     nlsr_lock();
+
+    switch(kind) {
+        case CCN_UPCALL_FINAL:
+            break;
+        case CCN_UPCALL_CONTENT:
+		if ( nlsr->debugging )
+			printf("Content Received for Name: "); 
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Content Received for Name: ");
+    
+		struct ccn_charbuf*c;
+		c=ccn_charbuf_create();
+		ccn_uri_append(c,info->interest_ccnb,info->pi->offset[CCN_PI_E],0);
+		if ( nlsr->debugging )
+			printf("%s\n",ccn_charbuf_as_string(c));
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"%s\n",ccn_charbuf_as_string(c));
+
+		ccn_charbuf_destroy(&c);
+
+		process_incoming_content(selfp,info);
+
+	    break;
+        case CCN_UPCALL_INTEREST_TIMED_OUT:
+		//printf("Interest Timed Out Received for Name: ");
+		if ( nlsr->debugging )
+			printf("Interest Timed Out Received for Name:  "); 
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Interest Timed Out Received for Name: ");
+		
+		struct ccn_charbuf*ito;
+		ito=ccn_charbuf_create();
+		ccn_uri_append(ito,info->interest_ccnb,info->pi->offset[CCN_PI_E],0);
+
+		if ( nlsr->debugging )
+			printf("%s\n",ccn_charbuf_as_string(ito));
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"%s\n",ccn_charbuf_as_string(ito));
+
+		//printf("%s\n",ccn_charbuf_as_string(ito));
+		ccn_charbuf_destroy(&ito);
+
+		process_incoming_timed_out_interest(selfp,info);
+
+	    break;
+        default:
+            fprintf(stderr, "Unexpected response of kind %d\n", kind);
+	    if ( nlsr->debugging )
+		printf("Unexpected response of kind %d\n", kind);
+	    if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Unexpected response of kind %d\n", kind);
+	    break;
+    }
+    
+     nlsr_unlock();
+
+    return CCN_UPCALL_RESULT_OK;
+}
+
+
+void 
+process_incoming_content(struct ccn_closure *selfp, struct ccn_upcall_info* info)
+{
+	//printf("process_incoming_content called \n");
+	if ( nlsr->debugging )
+		printf("process_incoming_content called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_content called \n");
+
+	const unsigned char *comp_ptr1;
+	size_t comp_size;
+	int res,i;
+	int nlsr_position=0;
+	int name_comps=(int)info->interest_comps->n;
+
+	for(i=0;i<name_comps;i++)
+	{
+		res=ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,i,"nlsr");
+		if( res == 0)
+		{
+			nlsr_position=i;
+			break;
+		}	
+	}
+
+	res=ccn_name_comp_get(info->interest_ccnb, info->interest_comps,nlsr_position+1,&comp_ptr1, &comp_size);
+
+	//printf("Det= %s \n",comp_ptr1);
+
+	if(!strcmp((char *)comp_ptr1,"info"))
+	{
+		process_incoming_content_info(selfp,info);
+	}
+	if(!strcmp((char *)comp_ptr1,"lsdb"))
+	{
+		process_incoming_content_lsdb(selfp,info);
+	}
+	if(!strcmp((char *)comp_ptr1,"lsa"))
+	{
+		process_incoming_content_lsa(selfp,info);
+	}
+
+}
+
+
+void 
+process_incoming_content_info(struct ccn_closure *selfp, struct ccn_upcall_info* info)
+{
+	//printf("process_incoming_content_info called \n");
+	if ( nlsr->debugging )
+		printf("process_incoming_content_info called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_content_info called \n");
+
+	struct name_prefix *nbr=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+	get_nbr(nbr,selfp,info);
+
+	if ( nlsr->debugging )
+		printf("Info Content Received For Neighbor: %s Length:%d\n",nbr->name,nbr->length);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Info Content Received For Neighbor: %s Length:%d\n",nbr->name,nbr->length);
+
+
+	const unsigned char *ptr;
+	size_t length;
+	ccn_content_get_value(info->content_ccnb, info->pco->offset[CCN_PCO_E_Content]-info->pco->offset[CCN_PCO_B_Content], info->pco, &ptr, &length);
+	//printf("Content data: %s\n",ptr);
+
+	long int interval=atoi((char *)ptr);
+
+
+
+	update_adjacent_timed_out_zero_to_adl(nbr);	
+	update_adjacent_status_to_adl(nbr,NBR_ACTIVE);
+	update_lsdb_synch_interval_to_adl(nbr,interval);
+	print_adjacent_from_adl();
+
+
+
+	if(!nlsr->is_build_adj_lsa_sheduled)
+	{
+		if ( nlsr->debugging )
+			printf("Scheduling Build and Install Adj LSA...\n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Scheduling Build and Install Adj LSA...\n");
+		nlsr->event_build_adj_lsa = ccn_schedule_event(nlsr->sched, 100000, &build_and_install_adj_lsa, NULL, 0);
+		nlsr->is_build_adj_lsa_sheduled=1;		
+	}
+	else
+	{
+		if ( nlsr->debugging )
+			printf("Build and Install Adj LSA already scheduled\n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Build and Install Adj LSA already scheduled\n");
+	}
+
+
+	free(nbr);
+
+
+}
+
+
+void 
+process_incoming_content_lsdb(struct ccn_closure *selfp, struct ccn_upcall_info* info)
+{
+	if ( nlsr->debugging )
+		printf("process_incoming_content_lsdb called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_content_lsdb called \n");
+
+	const unsigned char *ptr;
+	size_t length;
+	ccn_content_get_value(info->content_ccnb, info->pco->offset[CCN_PCO_E_Content]-info->pco->offset[CCN_PCO_B_Content], info->pco, &ptr, &length);
+	//printf("Content data: %s\n",ptr);
+
+	if( (strcmp("NACK",(char *)ptr) != 0 ) && (strcmp("WAIT",(char *)ptr) != 0 ) )
+	{
+		struct name_prefix *nbr=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+		get_nbr(nbr,selfp,info);
+
+		char *nl;
+		int num_element;
+		int i;
+		char *rem;
+		const char *sep="|";
+		char *orig_router;
+		char *lst;
+		int ls_type;
+		char *lsid;
+		long int ls_id;
+		char *orig_time;
+
+		nl=strtok_r((char *)ptr,sep,&rem);
+		num_element=atoi(nl);		
+
+		for(i = 0 ; i < num_element ; i++)
+		{
+			orig_router=strtok_r(NULL,sep,&rem);
+			lst=strtok_r(NULL,sep,&rem);
+			ls_type=atoi(lst);
+
+			if ( nlsr->debugging )
+				printf("Orig Router: %s ls Type: %d",orig_router,ls_type);
+			if ( nlsr->detailed_logging )
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"Orig Router: %s ls Type: %d",orig_router,ls_type);
+		
+
+			if(ls_type == LS_TYPE_NAME)
+			{
+				lsid=strtok_r(NULL,sep,&rem);
+				ls_id=atoi(lsid);
+				orig_time=strtok_r(NULL,sep,&rem);
+
+				if ( nlsr->debugging )
+					printf(" LS Id: %ld  Orig Time: %s\n",ls_id ,orig_time);
+				if ( nlsr->detailed_logging )
+					writeLogg(__FILE__,__FUNCTION__,__LINE__," LS Id: %ld  Orig Time: %s\n",ls_id ,orig_time);
+
+				
+				int is_new_name_lsa=check_is_new_name_lsa(orig_router,lst,lsid,orig_time);
+				if ( is_new_name_lsa == 1 )
+				{
+					if ( nlsr->debugging )
+						printf("New NAME LSA.....\n");
+					if ( nlsr->detailed_logging )
+						writeLogg(__FILE__,__FUNCTION__,__LINE__,"New NAME LSA.....\n");
+					
+					send_interest_for_name_lsa(nbr,orig_router,lst,lsid);	
+				}
+				else 
+				{
+					if ( nlsr->debugging )
+						printf("Name LSA already exists in LSDB\n");
+					if ( nlsr->detailed_logging )
+						writeLogg(__FILE__,__FUNCTION__,__LINE__,"Name LSA already exists in LSDB\n");
+					
+				}
+			}
+			else
+			{
+				orig_time=strtok_r(NULL,sep,&rem);
+
+				if ( nlsr->debugging )
+					printf(" Orig Time: %s\n",orig_time);
+				if ( nlsr->detailed_logging )
+					writeLogg(__FILE__,__FUNCTION__,__LINE__," Orig Time: %s\n",orig_time);
+				
+
+				int is_new_adj_lsa=check_is_new_adj_lsa(orig_router,lst,orig_time);
+				if ( is_new_adj_lsa == 1 )
+				{
+					if ( nlsr->debugging )
+						printf("New Adj LSA.....\n");
+					if ( nlsr->detailed_logging )
+						writeLogg(__FILE__,__FUNCTION__,__LINE__,"New Adj LSA.....\n");
+					send_interest_for_adj_lsa(nbr,orig_router,lst);
+				}
+				else
+				{
+					if ( nlsr->debugging )
+						printf("Adj LSA already exists in LSDB\n");
+					if ( nlsr->detailed_logging )
+						writeLogg(__FILE__,__FUNCTION__,__LINE__,"Adj LSA already exists in LSDB\n");
+				}
+			}
+
+		}
+
+		char *lsdb_version=(char *)malloc(20);
+		memset(lsdb_version,0,20);
+		get_lsdb_version(lsdb_version,selfp,info);
+
+		if ( nlsr->debugging )
+			printf("Old LSDB Version of Neighbor: %s is :%s\n",nbr->name,get_nbr_lsdb_version(nbr->name));
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Old LSDB Version of Neighbor: %s is :%s\n",nbr->name,get_nbr_lsdb_version(nbr->name));
+
+		update_adjacent_lsdb_version_to_adl(nbr,lsdb_version);
+		
+		if ( nlsr->debugging )
+			printf("New LSDB Version of Neighbor: %s is :%s\n",nbr->name,get_nbr_lsdb_version(nbr->name));
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"New LSDB Version of Neighbor: %s is :%s\n",nbr->name,get_nbr_lsdb_version(nbr->name));
+
+		update_lsdb_interest_timed_out_zero_to_adl(nbr);
+
+		free(lsdb_version);
+		free(nbr);	
+	}
+	else if (strcmp("WAIT",(char *)ptr) == 0)
+	{
+		struct name_prefix *nbr=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+		get_nbr(nbr,selfp,info);
+		long int interval=get_lsdb_synch_interval(nbr->name);
+		adjust_adjacent_last_lsdb_requested_to_adl(nbr->name,(long int)interval/2);
+
+		update_lsdb_interest_timed_out_zero_to_adl(nbr);
+		free(nbr);
+	}
+	else 
+	{
+		
+		if ( nlsr->debugging )
+			printf("NACK Content Received\n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"NACK Content Received\n");
+		struct name_prefix *nbr=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+		get_nbr(nbr,selfp,info);
+		update_lsdb_interest_timed_out_zero_to_adl(nbr);
+		free(nbr);
+	}
+}
+
+
+void 
+process_incoming_content_lsa(struct ccn_closure *selfp, struct ccn_upcall_info* info)
+{
+	
+
+	if ( nlsr->debugging )
+		printf("process_incoming_content_lsa called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_content_lsa called \n");	
+
+	char *sep="|";
+	char *rem;
+	char *orig_router;
+	char *orl;
+	int orig_router_length;
+	char *lst;
+	int ls_type;
+	char *lsid;
+	long int ls_id;
+	char *isvld;
+	int isValid;
+	char *num_link;
+	int no_link;
+	char *np;
+	char *np_length;
+	int name_length;
+	char *data;
+	char *orig_time;
+
+	const unsigned char *ptr;
+	size_t length;
+	ccn_content_get_value(info->content_ccnb, info->pco->offset[CCN_PCO_E_Content]-info->pco->offset[CCN_PCO_B_Content], info->pco, &ptr, &length);
+	//printf("Content data Received: %s\n",ptr);
+
+	
+
+	
+	if ( nlsr->debugging )
+		printf("LSA Data \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"LSA Data\n");	
+
+	if( strlen((char *) ptr ) > 0 )
+	{
+
+		orig_router=strtok_r((char *)ptr,sep,&rem);
+		orl=strtok_r(NULL,sep,&rem);
+		orig_router_length=atoi(orl);
+
+		if ( nlsr->debugging )
+		{
+			printf("	Orig Router Name  : %s\n",orig_router);
+			printf("	Orig Router Length: %d\n",orig_router_length);
+		}
+
+		lst=strtok_r(NULL,sep,&rem);		
+		ls_type=atoi(lst);
+
+		if ( nlsr->debugging )
+			printf("	LS Type  : %d\n",ls_type);
+
+		if ( ls_type == LS_TYPE_NAME )
+		{
+			lsid=strtok_r(NULL,sep,&rem);
+			ls_id=atoi(lsid);
+			orig_time=strtok_r(NULL,sep,&rem);
+			isvld=strtok_r(NULL,sep,&rem);
+			isValid=atoi(isvld);
+			np=strtok_r(NULL,sep,&rem);
+			np_length=strtok_r(NULL,sep,&rem);
+			name_length=atoi(np_length);
+			if ( nlsr->debugging )
+			{
+				printf("	LS ID  : %ld\n",ls_id);
+				printf("	isValid  : %d\n",isValid);
+				printf("	Name Prefix : %s\n",np);
+				printf("	Orig Time   : %s\n",orig_time);
+				printf("	Name Prefix length: %d\n",name_length);
+			}
+
+			build_and_install_others_name_lsa(orig_router,ls_type,ls_id,orig_time,isValid,np);
+
+		}
+		else if ( ls_type == LS_TYPE_ADJ )
+		{
+			orig_time=strtok_r(NULL,sep,&rem);
+			num_link=strtok_r(NULL,sep,&rem);
+			no_link=atoi(num_link);
+			data=rem;
+
+			if ( nlsr->debugging )
+			{
+				printf("	No Link  : %d\n",no_link);
+				printf("	Data  : %s\n",data);
+			}
+			build_and_install_others_adj_lsa(orig_router,ls_type,orig_time,no_link,data);
+		}
+	}
+}
+
+
+void
+process_incoming_timed_out_interest(struct ccn_closure* selfp, struct ccn_upcall_info* info)
+{
+	
+
+	if ( nlsr->debugging )
+		printf("process_incoming_timed_out_interest called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_timed_out_interest called \n");
+
+	int res,i;
+	int nlsr_position=0;
+	int name_comps=(int)info->interest_comps->n;
+
+	for(i=0;i<name_comps;i++)
+	{
+		res=ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,i,"nlsr");
+		if( res == 0)
+		{
+			nlsr_position=i;
+			break;
+		}	
+	}
+
+	if(ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,nlsr_position+1,"info") == 0)
+	{
+		process_incoming_timed_out_interest_info(selfp,info);
+	}
+	if(ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,nlsr_position+1,"lsdb") == 0)
+	{
+		process_incoming_timed_out_interest_lsdb(selfp,info);
+	}
+	if(ccn_name_comp_strcmp(info->interest_ccnb,info->interest_comps,nlsr_position+1,"lsa") == 0)
+	{
+		process_incoming_timed_out_interest_lsa(selfp,info);
+	}
+}
+
+void
+process_incoming_timed_out_interest_info(struct ccn_closure* selfp, struct ccn_upcall_info* info)
+{
+	
+	if ( nlsr->debugging )
+		printf("process_incoming_timed_out_interest_info called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_timed_out_interest_info called \n");
+
+	struct name_prefix *nbr=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+	get_nbr(nbr,selfp,info);
+
+	if ( nlsr->debugging )
+		printf("Info Interest Timed Out for for Neighbor: %s Length:%d\n",nbr->name,nbr->length);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Info Interest Timed Out for for Neighbor: %s Length:%d\n",nbr->name,nbr->length);
+	
+
+
+	update_adjacent_timed_out_to_adl(nbr,1);
+	print_adjacent_from_adl();	
+	int timed_out=get_timed_out_number(nbr);
+
+	if ( nlsr->debugging )
+		printf("Neighbor: %s Info Interest Timed Out: %d times\n",nbr->name,timed_out);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Neighbor: %s Info Interest Timed Out: %d times\n",nbr->name,timed_out);
+
+
+	if(timed_out<nlsr->interest_retry && timed_out>0) // use configured variables 
+	{
+		send_info_interest_to_neighbor(nbr);
+	}
+	else
+	{		
+		update_adjacent_status_to_adl(nbr,NBR_DOWN);
+		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;		
+		}
+	}
+
+	free(nbr);
+
+
+}
+
+void
+process_incoming_timed_out_interest_lsdb(struct ccn_closure* selfp, struct ccn_upcall_info* info)
+{
+	if ( nlsr->debugging )
+		printf("process_incoming_timed_out_interest_lsdb called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_timed_out_interest_lsdb called \n");
+
+	struct name_prefix *nbr=(struct name_prefix *)malloc(sizeof(struct name_prefix ));
+	get_nbr(nbr,selfp,info);
+
+	if ( nlsr->debugging )
+		printf("LSDB Interest Timed Out for for Neighbor: %s Length:%d\n",nbr->name,nbr->length);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"LSDB Interest Timed Out for for Neighbor: %s Length:%d\n",nbr->name,nbr->length);
+	
+
+	update_lsdb_interest_timed_out_to_adl(nbr,1);
+
+	int interst_timed_out_num=get_lsdb_interest_timed_out_number(nbr);
+
+	if ( nlsr->debugging )
+		printf("Interest Timed out number : %d Interest Retry: %d \n",interst_timed_out_num,nlsr->interest_retry);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Interest Timed out number : %d Interest Retry: %d \n",interst_timed_out_num,nlsr->interest_retry);
+
+	
+
+	if( interst_timed_out_num >= nlsr->interest_retry )
+	{
+		update_adjacent_status_to_adl(nbr,NBR_DOWN);
+		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;		
+		}
+	}
+	free(nbr->name);
+	free(nbr);
+}
+
+void
+process_incoming_timed_out_interest_lsa(struct ccn_closure* selfp, struct ccn_upcall_info* info)
+{
+	if ( nlsr->debugging )
+		printf("process_incoming_timed_out_interest_lsa called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"process_incoming_timed_out_interest_lsa called \n");
+	
+}
+
+int
+send_info_interest(struct ccn_schedule *sched, void *clienth, struct ccn_scheduled_event *ev, int flags)
+{
+	if(flags == CCN_SCHEDULE_CANCEL)
+	{
+ 	 	return -1;
+	}
+
+         nlsr_lock();
+
+	if ( nlsr->debugging )
+		printf("send_info_interest called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"send_info_interest called \n");
+
+	if ( nlsr->debugging )
+		printf("\n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"\n");
+
+	int adl_element,i;
+	struct ndn_neighbor *nbr;
+
+	struct hashtb_enumerator ee;
+    	struct hashtb_enumerator *e = &ee;
+    	
+    	hashtb_start(nlsr->adl, e);
+	adl_element=hashtb_n(nlsr->adl);
+
+	for(i=0;i<adl_element;i++)
+	{
+		nbr=e->data;
+		send_info_interest_to_neighbor(nbr->neighbor);
+		hashtb_next(e);		
+	}
+	hashtb_end(e);
+
+	 nlsr_unlock();
+
+	nlsr->event = ccn_schedule_event(nlsr->sched, 60000000, &send_info_interest, NULL, 0);
+
+	return 0;
+}
+
+void 
+send_info_interest_to_neighbor(struct name_prefix *nbr)
+{
+
+	if ( nlsr->debugging )
+		printf("send_info_interest_to_neighbor called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"send_info_interest_to_neighbor called \n");
+
+
+	int res;
+	char info_str[5];
+	char nlsr_str[5];
+	
+	memset(&nlsr_str,0,5);
+	sprintf(nlsr_str,"nlsr");
+	memset(&info_str,0,5);
+	sprintf(info_str,"info");
+	
+	
+	struct ccn_charbuf *name;	
+	name=ccn_charbuf_create();
+
+	char *int_name=(char *)malloc(strlen(nbr->name)+1+strlen(nlsr_str)+1+strlen(info_str)+strlen(nlsr->router_name)+1);
+	memset(int_name,0,strlen(nbr->name)+1+strlen(nlsr_str)+1+strlen(info_str)+strlen(nlsr->router_name)+1);
+	memcpy(int_name+strlen(int_name),nbr->name,strlen(nbr->name));
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),nlsr_str,strlen(nlsr_str));
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),info_str,strlen(info_str));
+	memcpy(int_name+strlen(int_name),nlsr->router_name,strlen(nlsr->router_name));
+	
+
+	res=ccn_name_from_uri(name,int_name);
+	if ( res >=0 )
+	{
+		/* adding InterestLifeTime and InterestScope filter */
+
+		struct ccn_charbuf *templ;
+		templ = ccn_charbuf_create();
+
+		ccn_charbuf_append_tt(templ, CCN_DTAG_Interest, CCN_DTAG);
+		ccn_charbuf_append_tt(templ, CCN_DTAG_Name, CCN_DTAG);
+		ccn_charbuf_append_closer(templ); /* </Name> */
+		ccn_charbuf_append_tt(templ, CCN_DTAG_Scope, CCN_DTAG);
+		ccn_charbuf_append_tt(templ, 1, CCN_UDATA);
+		ccn_charbuf_append(templ, "2", 1); //scope of interest: 2 (not further than next host)
+		ccn_charbuf_append_closer(templ); /* </Scope> */
+
+		appendLifetime(templ,nlsr->interest_resend_time);
+		ccn_charbuf_append_closer(templ); /* </Interest> */
+		/* Adding InterestLifeTime and InterestScope filter done */
+	
+		if ( nlsr->debugging )
+			printf("Sending info interest on name prefix : %s \n",int_name);
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending info interest on name prefix : %s \n",int_name);
+
+		res=ccn_express_interest(nlsr->ccn,name,&(nlsr->in_content),templ);
+
+		if ( res >= 0 )
+		{
+			if ( nlsr->debugging )
+				printf("Info interest sending Successfull .... \n");
+			if ( nlsr->detailed_logging )
+				writeLogg(__FILE__,__FUNCTION__,__LINE__,"Info interest sending Successfull .... \n");
+		}	
+		ccn_charbuf_destroy(&templ);
+	}
+	ccn_charbuf_destroy(&name);
+	free(int_name);
+
+}
+
+
+int 
+send_lsdb_interest(struct ccn_schedule *sched, void *clienth, struct ccn_scheduled_event *ev, int flags)
+{
+	if ( nlsr->debugging )
+		printf("send_lsdb_interest called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"send_lsdb_interest called \n");	
+
+	if(flags == CCN_SCHEDULE_CANCEL)
+	{
+ 	 	return -1;
+	}
+
+	 nlsr_lock();
+
+	int i, adl_element;
+	struct ndn_neighbor *nbr;
+
+	struct hashtb_enumerator ee;
+    	struct hashtb_enumerator *e = &ee;
+    	
+    	hashtb_start(nlsr->adl, e);
+	adl_element=hashtb_n(nlsr->adl);
+
+	for(i=0;i<adl_element;i++)
+	{
+		nbr=e->data;
+
+		if(nbr->status == NBR_ACTIVE)
+		{	
+			if(nbr->is_lsdb_send_interest_scheduled == 0)
+			{
+				long int time_diff=get_nbr_time_diff_lsdb_req(nbr->neighbor->name);
+				if ( nlsr->debugging )
+					printf("Time since last time LSDB requested : %ld Seconds for Neighbor: %s \n",time_diff,nbr->neighbor->name);
+				if ( nlsr->detailed_logging )
+					writeLogg(__FILE__,__FUNCTION__,__LINE__,"Time since last time LSDB requested : %ld Seconds for Neighbor: %s \n",time_diff,nbr->neighbor->name);	
+						
+
+				if( time_diff >= ( get_lsdb_synch_interval(nbr->neighbor->name) + get_nbr_random_time_component(nbr->neighbor->name) ) )
+				{
+					nbr->is_lsdb_send_interest_scheduled=1;
+					send_lsdb_interest_to_nbr(nbr->neighbor);
+				}
+			}
+		}
+		hashtb_next(e);		
+	}
+
+	hashtb_end(e);
+	nlsr->event_send_lsdb_interest= ccn_schedule_event(nlsr->sched, 30000000, &send_lsdb_interest, NULL, 0);
+
+	 nlsr_unlock();
+
+	return 0;
+}
+
+void 
+send_lsdb_interest_to_nbr(struct name_prefix *nbr)
+{
+	if ( nlsr->debugging )
+		printf("send_lsdb_interest_to_nbr called \n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"send_lsdb_interest_to_nbr called \n");
+
+	char *last_lsdb_version=get_nbr_lsdb_version(nbr->name);
+
+	if(last_lsdb_version !=NULL)
+	{
+		
+
+		if ( nlsr->debugging )
+			printf("Last LSDB Version: %s \n",last_lsdb_version);
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Last LSDB Version: %s \n",last_lsdb_version);
+
+		struct ccn_charbuf *name;
+		int res;
+		char lsdb_str[5];
+		char nlsr_str[5];
+
+		memset(&nlsr_str,0,5);
+		sprintf(nlsr_str,"nlsr");
+		memset(&lsdb_str,0,5);
+		sprintf(lsdb_str,"lsdb");		
+		//make and send interest with exclusion filter as last_lsdb_version
+		if ( nlsr->debugging )
+			printf("Sending interest for name prefix:%s/%s/%s\n",nbr->name,nlsr_str,lsdb_str);
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending interest for name prefix:%s/%s/%s\n",nbr->name,nlsr_str,lsdb_str);
+			
+		name=ccn_charbuf_create();
+		res=ccn_name_from_uri(name,nbr->name);
+
+		if( res >= 0)
+		{
+			ccn_name_append_str(name,nlsr_str);
+			ccn_name_append_str(name,lsdb_str);
+			/* adding Exclusion filter */
+
+			struct ccn_charbuf *templ;
+			templ = ccn_charbuf_create();
+
+			struct ccn_charbuf *c;
+			c = ccn_charbuf_create();
+
+
+			ccn_charbuf_append_tt(templ, CCN_DTAG_Interest, CCN_DTAG);
+			ccn_charbuf_append_tt(templ, CCN_DTAG_Name, CCN_DTAG);
+			ccn_charbuf_append_closer(templ); /* </Name> */
+			ccn_charbuf_append_tt(templ, CCN_DTAG_Exclude, CCN_DTAG);
+			ccnb_tagged_putf(templ, CCN_DTAG_Any, "");
+			ccn_charbuf_reset(c);
+			ccn_charbuf_putf(c, "%s", last_lsdb_version);
+			
+			ccnb_append_tagged_blob(templ, CCN_DTAG_Component, c->buf, c->length);
+			ccn_charbuf_append_closer(templ); /* </Exclude> */
+			ccn_charbuf_append_tt(templ, CCN_DTAG_Scope, CCN_DTAG);
+			ccn_charbuf_append_tt(templ, 1, CCN_UDATA);
+			ccn_charbuf_append(templ, "2", 1);
+			ccn_charbuf_append_closer(templ); /* </Scope> */
+
+			appendLifetime(templ,nlsr->interest_resend_time);
+
+			ccn_charbuf_append_closer(templ); /* </Interest> */
+
+
+			/* Adding Exclusion filter done */
+
+			res=ccn_express_interest(nlsr->ccn,name,&(nlsr->in_content),templ);
+
+			if ( res >= 0 )
+			{
+				if ( nlsr->debugging )
+					printf("Interest sending Successfull .... \n");
+				if ( nlsr->detailed_logging )
+					writeLogg(__FILE__,__FUNCTION__,__LINE__,"Interest sending Successfull .... \n");	
+				update_adjacent_last_lsdb_requested_to_adl(nbr->name,get_current_time_sec());
+
+			}
+			ccn_charbuf_destroy(&c);
+			ccn_charbuf_destroy(&templ);
+		}
+		ccn_charbuf_destroy(&name);
+	}	
+	set_is_lsdb_send_interest_scheduled_to_zero(nbr->name);
+}
+
+void 
+send_interest_for_name_lsa(struct name_prefix *nbr, char *orig_router, char *ls_type, char *ls_id)
+{
+	if ( nlsr->debugging )
+		printf("send_interest_for_name_lsa called\n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"send_interest_for_name_lsa called\n");
+
+	int res;
+	char lsa_str[5];
+	char nlsr_str[5];
+
+	memset(&nlsr_str,0,5);
+	sprintf(nlsr_str,"nlsr");
+	memset(&lsa_str,0,5);
+	sprintf(lsa_str,"lsa");
+
+	char *int_name=(char *)malloc(nbr->length + strlen(ls_type)+strlen(orig_router)+strlen(nlsr_str)+strlen(lsa_str)+3);
+	memset(int_name,0,nbr->length +strlen(ls_type)+ strlen(orig_router)+strlen(nlsr_str)+strlen(lsa_str)+3);
+
+	memcpy(int_name+strlen(int_name),nbr->name,nbr->length);
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),nlsr_str,strlen(nlsr_str));
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),lsa_str,strlen(lsa_str));
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),ls_type,strlen(ls_type));
+	memcpy(int_name+strlen(int_name),orig_router,strlen(orig_router));
+
+
+	struct ccn_charbuf *name;	
+	name=ccn_charbuf_create();
+
+
+	res=ccn_name_from_uri(name,int_name);
+	ccn_name_append_str(name,ls_type);
+	ccn_name_append_str(name,ls_id);
+
+
+	/* adding InterestLifeTime and InterestScope filter */
+
+	struct ccn_charbuf *templ;
+	templ = ccn_charbuf_create();
+
+	ccn_charbuf_append_tt(templ, CCN_DTAG_Interest, CCN_DTAG);
+	ccn_charbuf_append_tt(templ, CCN_DTAG_Name, CCN_DTAG);
+	ccn_charbuf_append_closer(templ); /* </Name> */
+	//ccnb_tagged_putf(templ, CCN_DTAG_Scope, "%d", scope);
+	ccn_charbuf_append_tt(templ, CCN_DTAG_Scope, CCN_DTAG);
+	ccn_charbuf_append_tt(templ, 1, CCN_UDATA);
+	ccn_charbuf_append(templ, "2", 1); //scope of interest: 2 (not further than next host)
+	ccn_charbuf_append_closer(templ); /* </Scope> */
+
+	appendLifetime(templ,nlsr->interest_resend_time);
+	ccn_charbuf_append_closer(templ); /* </Interest> */
+	/* Adding InterestLifeTime and InterestScope filter done */
+
+	if ( nlsr->debugging )
+		printf("Sending NAME LSA interest on name prefix : %s/%s/%s\n",int_name,ls_type,ls_id);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending NAME LSA interest on name prefix : %s/%s/%s\n",int_name,ls_type,ls_id);
+
+
+	res=ccn_express_interest(nlsr->ccn,name,&(nlsr->in_content),templ);
+
+	if ( res >= 0 )
+	{
+		if ( nlsr->debugging )
+			printf("NAME LSA interest sending Successfull .... \n");
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"NAME LSA interest sending Successfull .... \n");
+	
+	}	
+	ccn_charbuf_destroy(&templ);
+	ccn_charbuf_destroy(&name);
+	free(int_name);
+
+
+}
+
+void 
+send_interest_for_adj_lsa(struct name_prefix *nbr, char *orig_router, char *ls_type)
+{
+	if ( nlsr->debugging )
+		printf("send_interest_for_name_lsa called\n");
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"send_interest_for_name_lsa called\n");
+
+	int res;
+	char lsa_str[5];
+	char nlsr_str[5];
+
+	memset(&nlsr_str,0,5);
+	sprintf(nlsr_str,"nlsr");
+	memset(&lsa_str,0,5);
+	sprintf(lsa_str,"lsa");
+
+	char *int_name=(char *)malloc(nbr->length + strlen(ls_type)+strlen(orig_router)+strlen(nlsr_str)+strlen(lsa_str)+3+strlen(ls_type)+1);
+	memset(int_name,0,nbr->length +strlen(ls_type)+ strlen(orig_router)+strlen(nlsr_str)+strlen(lsa_str)+3+strlen(ls_type)+1);
+
+	memcpy(int_name+strlen(int_name),nbr->name,nbr->length);
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),nlsr_str,strlen(nlsr_str));
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),lsa_str,strlen(lsa_str));
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),ls_type,strlen(ls_type));
+	memcpy(int_name+strlen(int_name),orig_router,strlen(orig_router));
+	memcpy(int_name+strlen(int_name),"/",1);
+	memcpy(int_name+strlen(int_name),ls_type,strlen(ls_type));
+
+	struct ccn_charbuf *name;	
+	name=ccn_charbuf_create();
+
+
+	ccn_name_from_uri(name,int_name);
+	
+	/* adding InterestLifeTime and InterestScope filter */
+
+	struct ccn_charbuf *templ;
+	templ = ccn_charbuf_create();
+
+	ccn_charbuf_append_tt(templ, CCN_DTAG_Interest, CCN_DTAG);
+	ccn_charbuf_append_tt(templ, CCN_DTAG_Name, CCN_DTAG);
+	ccn_charbuf_append_closer(templ); /* </Name> */
+	ccn_charbuf_append_tt(templ, CCN_DTAG_Scope, CCN_DTAG);
+	ccn_charbuf_append_tt(templ, 1, CCN_UDATA);
+	ccn_charbuf_append(templ, "2", 1); //scope of interest: 2 (not further than next host)
+	ccn_charbuf_append_closer(templ); /* </Scope> */
+
+	appendLifetime(templ,nlsr->interest_resend_time);
+	ccn_charbuf_append_closer(templ); /* </Interest> */
+	/* Adding InterestLifeTime and InterestScope filter done */
+
+	if ( nlsr->debugging )
+		printf("Sending ADJ LSA interest on name prefix : %s\n",int_name);
+	if ( nlsr->detailed_logging )
+		writeLogg(__FILE__,__FUNCTION__,__LINE__,"Sending ADJ LSA interest on name prefix : %s\n",int_name);
+
+	res=ccn_express_interest(nlsr->ccn,name,&(nlsr->in_content),templ);
+
+	if ( res >= 0 )
+	{
+		if ( nlsr->debugging )
+			printf("ADJ LSA interest sending Successfull .... \n");	
+		if ( nlsr->detailed_logging )
+			writeLogg(__FILE__,__FUNCTION__,__LINE__,"ADJ LSA interest sending Successfull .... \n");	
+	}
+	
+	ccn_charbuf_destroy(&templ);
+	ccn_charbuf_destroy(&name);
+	free(int_name);
+}