nlsr_sync add
diff --git a/nlsr_sync.c b/nlsr_sync.c
new file mode 100644
index 0000000..7b228c5
--- /dev/null
+++ b/nlsr_sync.c
@@ -0,0 +1,794 @@
+#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>
+
+#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_sync.h"
+#include "nlsr_lsdb.h"
+#include "utility.h"
+
+
+char *
+hex_string(unsigned char *s, size_t l)
+{
+ const char *hex_digits = "0123456789abcdef";
+ char *r;
+ int i;
+ r = calloc(1, 1 + 2 * l);
+ for (i = 0; i < l; i++) {
+ r[2*i] = hex_digits[(s[i]>>4) & 0xf];
+ r[1+2*i] = hex_digits[s[i] & 0xf];
+ }
+ return(r);
+}
+
+int
+sync_cb(struct ccns_name_closure *nc,
+ struct ccn_charbuf *lhash,
+ struct ccn_charbuf *rhash,
+ struct ccn_charbuf *name)
+{
+ char *hexL;
+ char *hexR;
+ int res;
+ struct ccn_charbuf *uri = ccn_charbuf_create();
+ if (lhash == NULL || lhash->length == 0) {
+ hexL = strdup("none");
+ } else
+ hexL = hex_string(lhash->buf, lhash->length);
+ if (rhash == NULL || rhash->length == 0) {
+ hexR = strdup("none");
+ } else
+ hexR = hex_string(rhash->buf, rhash->length);
+ if (name != NULL)
+ ccn_uri_append(uri, name->buf, name->length, 1);
+ else
+ ccn_charbuf_append_string(uri, "(null)");
+
+
+ if ( nlsr->debugging )
+ printf("Response from sync in the name: %s \n",ccn_charbuf_as_string(uri));
+
+ fflush(stdout);
+ free(hexL);
+ free(hexR);
+ ccn_charbuf_destroy(&uri);
+
+
+ //--Doing our thing from here
+ struct ccn_indexbuf cid={0};
+
+ struct ccn_indexbuf *components=&cid;
+ ccn_name_split (name, components);
+ //ccn_name_chop(name,components,-3);
+ //process_content_from_sync(name,components);
+
+ struct ccn_charbuf *content_name = ccn_charbuf_create();
+ ccn_name_init(content_name);
+ res = ccn_name_append_components(content_name, name->buf, components->buf[0], components->buf[components->n - 1]);
+
+ // debugging purpose
+ struct ccn_charbuf *temp=ccn_charbuf_create();
+ ccn_uri_append(temp, content_name->buf, content_name->length, 0);
+ if ( nlsr->debugging )
+ printf("Name before chopping: %s \n",ccn_charbuf_as_string(temp));
+ ccn_charbuf_destroy(&temp);
+
+ struct ccn_indexbuf cid1={0};
+ struct ccn_indexbuf *components1=&cid1;
+ res=ccn_name_split (content_name, components1);
+ if ( nlsr->debugging )
+ {
+ printf("Number of components in name = %d \n",res);
+ printf("Number of components in name as indexbuf->n = %d \n",(int)components1->n);
+ }
+ ccn_name_chop(content_name,components1,-3);
+ if ( nlsr->debugging )
+ printf("Number of components in name as indexbuf->n after chopping= %d \n",(int)components1->n);
+
+ //debugging purpose
+ struct ccn_charbuf *temp1=ccn_charbuf_create();
+ ccn_uri_append(temp1, content_name->buf, content_name->length, 0);
+ if ( nlsr->debugging )
+ printf("Name after chopping: %s \n",ccn_charbuf_as_string(temp1));
+ ccn_charbuf_destroy(&temp1);
+
+ process_content_from_sync(content_name,components1);
+ ccn_charbuf_destroy(&content_name);
+
+ return(0);
+}
+
+
+int
+get_lsa_position(struct ccn_charbuf * ccnb, struct ccn_indexbuf *comps)
+{
+
+
+
+ int res,i;
+ int lsa_position=0;
+ int name_comps=(int)comps->n;
+
+ for(i=0;i<name_comps;i++)
+ {
+ res=ccn_name_comp_strcmp(ccnb->buf,comps,i,"LSA");
+ if( res == 0)
+ {
+ lsa_position=i;
+ break;
+ }
+ }
+
+ return lsa_position;
+
+}
+
+void
+get_name_part(struct name_prefix *name_part,struct ccn_charbuf * interest_ccnb, struct ccn_indexbuf *interest_comps, int offset)
+{
+
+
+
+ int res,i;
+ int lsa_position=0;
+ int len=0;
+
+
+ struct ccn_indexbuf cid={0};
+ struct ccn_indexbuf *components=&cid;
+ struct ccn_charbuf *name=ccn_charbuf_create();
+ ccn_name_from_uri(name,nlsr->slice_prefix);
+ ccn_name_split (name, components);
+ lsa_position=components->n-2;
+
+ ccn_charbuf_destroy(&name);
+
+
+ const unsigned char *comp_ptr1;
+ size_t comp_size;
+ for(i=lsa_position+1+offset;i<interest_comps->n-1;i++)
+ {
+ res=ccn_name_comp_get(interest_ccnb->buf, 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=lsa_position+1+offset; i<interest_comps->n-1;i++)
+ {
+ res=ccn_name_comp_get(interest_ccnb->buf, interest_comps,i,&comp_ptr1, &comp_size);
+ memcpy(neighbor+strlen(neighbor),"/",1);
+ memcpy(neighbor+strlen(neighbor),(char *)comp_ptr1,strlen((char *)comp_ptr1));
+
+ }
+
+ name_part->name=(char *)malloc(strlen(neighbor)+1);
+ memset(name_part->name,0,strlen(neighbor)+1);
+ memcpy(name_part->name,neighbor,strlen(neighbor)+1);
+ name_part->length=strlen(neighbor)+1;
+
+ // Add 01/31/2013
+ free(neighbor);
+}
+
+void
+get_host_name_from_command_string(struct name_prefix *name_part,char *nbr_name_uri, int offset)
+{
+
+
+
+ int res,i;
+ int len=0;
+ const unsigned char *comp_ptr1;
+ size_t comp_size;
+
+ struct ccn_charbuf *name=ccn_charbuf_create();
+ name = ccn_charbuf_create();
+ res = ccn_name_from_uri(name,nbr_name_uri);
+ if (res < 0) {
+ fprintf(stderr, "Bad ccn URI: %s\n", nbr_name_uri);
+ exit(1);
+ }
+
+ struct ccn_indexbuf cid={0};
+
+ struct ccn_indexbuf *components=&cid;
+ ccn_name_split (name, components);
+
+ for(i=components->n-2;i> (0+offset);i--)
+ {
+ res=ccn_name_comp_get(name->buf, components,i,&comp_ptr1, &comp_size);
+ len+=1;
+ len+=(int)comp_size;
+ }
+ len++;
+
+ char *neighbor=(char *)malloc(len);
+ memset(neighbor,0,len);
+
+ for(i=components->n-2;i> (0+offset);i--)
+ {
+ res=ccn_name_comp_get(name->buf, components,i,&comp_ptr1, &comp_size);
+ if ( i != components->n-2)
+ memcpy(neighbor+strlen(neighbor),".",1);
+ memcpy(neighbor+strlen(neighbor),(char *)comp_ptr1,strlen((char *)comp_ptr1));
+
+ }
+
+ name_part->name=(char *)malloc(strlen(neighbor)+1);
+ memset(name_part->name,0,strlen(neighbor)+1);
+ memcpy(name_part->name,neighbor,strlen(neighbor)+1);
+ name_part->length=strlen(neighbor)+1;
+
+ // 01/31/2013
+ free(neighbor);
+ ccn_charbuf_destroy(&name);
+}
+
+
+
+void
+get_content_by_content_name(char *content_name, unsigned char **content_data)
+{
+
+ struct ccn_charbuf *name = NULL;
+ struct ccn_charbuf *templ = NULL;
+ struct ccn_charbuf *resultbuf = NULL;
+ struct ccn_parsed_ContentObject pcobuf = { 0 };
+ int res;
+ int allow_stale = 0;
+ int content_only = 1;
+ int scope = -1;
+ const unsigned char *ptr;
+ size_t length;
+ int resolve_version = CCN_V_HIGHEST;
+ int timeout_ms = 3000;
+ const unsigned lifetime_default = CCN_INTEREST_LIFETIME_SEC << 12;
+ unsigned lifetime_l12 = lifetime_default;
+ int get_flags = 0;
+
+ name = ccn_charbuf_create();
+ res = ccn_name_from_uri(name,content_name);
+ if (res < 0) {
+ fprintf(stderr, "Bad ccn URI: %s\n", content_name);
+ exit(1);
+ }
+
+ if (allow_stale || lifetime_l12 != lifetime_default || scope != -1) {
+ 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> */
+ if (allow_stale) {
+ ccn_charbuf_append_tt(templ, CCN_DTAG_AnswerOriginKind, CCN_DTAG);
+ ccnb_append_number(templ,
+ CCN_AOK_DEFAULT | CCN_AOK_STALE);
+ ccn_charbuf_append_closer(templ); /* </AnswerOriginKind> */
+ }
+ if (scope != -1) {
+ ccnb_tagged_putf(templ, CCN_DTAG_Scope, "%d", scope);
+ }
+ if (lifetime_l12 != lifetime_default) {
+ /*
+ * Choose the interest lifetime so there are at least 3
+ * expressions (in the unsatisfied case).
+ */
+ unsigned char buf[3] = { 0 };
+ int i;
+ for (i = sizeof(buf) - 1; i >= 0; i--, lifetime_l12 >>= 8)
+ buf[i] = lifetime_l12 & 0xff;
+ ccnb_append_tagged_blob(templ, CCN_DTAG_InterestLifetime, buf, sizeof(buf));
+ }
+ ccn_charbuf_append_closer(templ); /* </Interest> */
+ }
+ resultbuf = ccn_charbuf_create();
+ if (resolve_version != 0) {
+ res = ccn_resolve_version(nlsr->ccn, name, resolve_version, 500);
+ if (res >= 0) {
+ ccn_uri_append(resultbuf, name->buf, name->length, 1);
+ resultbuf->length = 0;
+ }
+ }
+ res = ccn_get(nlsr->ccn, name, templ, timeout_ms, resultbuf, &pcobuf, NULL, get_flags);
+ if (res >= 0) {
+ ptr = resultbuf->buf;
+ length = resultbuf->length;
+ if (content_only){
+ ccn_content_get_value(ptr, length, &pcobuf, &ptr, &length);
+ *content_data = (unsigned char *) calloc(length, sizeof(char *));
+ memcpy (*content_data, ptr, length);
+ }
+ }
+ ccn_charbuf_destroy(&resultbuf);
+ ccn_charbuf_destroy(&templ);
+ ccn_charbuf_destroy(&name);
+}
+
+void
+process_incoming_sync_content_lsa( unsigned char *content_data)
+{
+
+
+ if ( nlsr->debugging )
+ printf("process_incoming_sync_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;
+
+
+ if ( nlsr->debugging )
+ printf("LSA Data \n");
+
+ if( strlen((char *)content_data ) > 0 )
+ {
+
+ orig_router=strtok_r((char *)content_data,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);
+
+ print_name_lsdb();
+
+ }
+ 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(" Orig Time : %s\n",orig_time);
+ 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);
+ }
+ else if ( ls_type == LS_TYPE_COR )
+ {
+ orig_time=strtok_r(NULL,sep,&rem);
+ char *cor_r=strtok_r(NULL,sep,&rem);
+ char *cor_theta=strtok_r(NULL,sep,&rem);
+
+ double r, theta;
+ r=strtof(cor_r,NULL);
+ theta=strtof(cor_theta,NULL);
+
+ if ( nlsr->debugging )
+ {
+ printf(" Orig Time : %s\n",orig_time);
+ printf(" Cor R : %f\n",r);
+ printf(" Cor Theta : %f\n",theta);
+ }
+ build_and_install_others_cor_lsa(orig_router,ls_type,orig_time, (double)r, (double)theta);
+ }
+
+ }
+}
+
+void
+process_content_from_sync(struct ccn_charbuf *content_name, struct ccn_indexbuf *components)
+{
+ //int lsa_position;
+ int res;
+ size_t comp_size;
+ char *lst;
+ char *lsid;
+ const unsigned char *second_last_comp;
+ const unsigned char *third_last_comp;
+ const unsigned char *origtime;
+ char *sep=".";
+ char *rem;
+ char *second_comp_type;
+
+ int ls_type;
+ long int ls_id=0;
+
+ unsigned char *content_data = NULL;
+
+ char *time_stamp=(char *)malloc(20);
+ memset(time_stamp,0,20);
+ get_current_timestamp_micro(time_stamp);
+
+ struct ccn_charbuf *uri = ccn_charbuf_create();
+ ccn_uri_append(uri, content_name->buf, content_name->length, 0);
+
+ struct name_prefix *orig_router=(struct name_prefix *)malloc(sizeof(struct name_prefix));
+
+
+ struct ccn_indexbuf cid={0};
+ struct ccn_indexbuf *temp_components=&cid;
+ struct ccn_charbuf *name=ccn_charbuf_create();
+ ccn_name_from_uri(name,nlsr->slice_prefix);
+ ccn_name_split (name, temp_components);
+ //lsa_position=temp_components->n-2;
+ ccn_charbuf_destroy(&name);
+
+
+ //res=ccn_name_comp_get(content_name->buf, components,lsa_position+1,&lst, &comp_size);
+ res=ccn_name_comp_get(content_name->buf, components,components->n-2-1,&second_last_comp, &comp_size);
+ //ls_type=atoi((char *)lst);
+
+ printf("2nd Last Component: %s \n",second_last_comp);
+ second_comp_type=strtok_r((char *)second_last_comp,sep,&rem);
+ if ( strcmp( second_comp_type, "lsId" ) == 0 )
+ {
+ lsid=rem;
+ ls_id=atoi(rem);
+ res=ccn_name_comp_get(content_name->buf, components,components->n-2-2,&third_last_comp, &comp_size);
+ lst=strtok_r((char *)third_last_comp,sep,&rem);
+ lst=rem;
+ ls_type=atoi(lst);
+ res=ccn_name_comp_get(content_name->buf, components,components->n-2,&origtime, &comp_size);
+ ccn_name_chop(content_name,components,-3);
+ get_name_part(orig_router,content_name,components,0);
+
+ if ( nlsr->debugging )
+ printf("Orig Router: %s Ls Type: %d Ls id: %ld Orig Time: %s\n",orig_router->name,ls_type,ls_id,origtime);
+
+ int lsa_life_time=get_time_diff(time_stamp,(char *)origtime);
+
+ if ( (strcmp((char *)orig_router,nlsr->router_name) == 0 && lsa_life_time < nlsr->lsa_refresh_time) || (strcmp((char *)orig_router,nlsr->router_name) != 0 && lsa_life_time < nlsr->router_dead_interval) )
+ {
+ int is_new_name_lsa=check_is_new_name_lsa(orig_router->name,(char *)lst,(char *)lsid,(char *)origtime);
+ if ( is_new_name_lsa == 1 )
+ {
+ if ( nlsr->debugging )
+ printf("New NAME LSA.....\n");
+ get_content_by_content_name(ccn_charbuf_as_string(uri), &content_data);
+ if ( nlsr->debugging )
+ printf("Content Data: %s \n",content_data);
+ process_incoming_sync_content_lsa(content_data);
+ }
+ else
+ {
+ if ( nlsr->debugging )
+ printf("Name LSA / Newer Name LSA already xists in LSDB\n");
+ get_content_by_content_name(ccn_charbuf_as_string(uri), &content_data);
+
+ if ( nlsr->debugging )
+ printf("Content Data: %s \n",content_data);
+ }
+ }
+ else
+ {
+ if ( nlsr->debugging )
+ printf("Lsa is older than Router LSA refresh time/ Dead Interval\n");
+ }
+ }
+ else
+ {
+ ls_type=atoi(rem);
+ lst=rem;
+ if(ls_type == LS_TYPE_ADJ)
+ {
+ res=ccn_name_comp_get(content_name->buf, components,components->n-2,&origtime, &comp_size);
+ ccn_name_chop(content_name,components,-2);
+ get_name_part(orig_router,content_name,components,0);
+
+ if ( nlsr->debugging )
+ printf("Orig Router: %s Ls Type: %d Orig Time: %s\n",orig_router->name,ls_type,origtime);
+
+ int lsa_life_time=get_time_diff(time_stamp,(char *)origtime);
+ if ( (strcmp((char *)orig_router,nlsr->router_name) == 0 && lsa_life_time < nlsr->lsa_refresh_time) || (strcmp((char *)orig_router,nlsr->router_name) != 0 && lsa_life_time < nlsr->router_dead_interval) )
+ {
+ int is_new_adj_lsa=check_is_new_adj_lsa(orig_router->name,(char *)lst,(char *)origtime);
+ if ( is_new_adj_lsa == 1 )
+ {
+ if ( nlsr->debugging )
+ printf("New Adj LSA.....\n");
+ get_content_by_content_name(ccn_charbuf_as_string(uri), &content_data);
+
+ if ( nlsr->debugging )
+ printf("Content Data: %s \n",content_data);
+ process_incoming_sync_content_lsa(content_data);
+ }
+ else
+ {
+ if ( nlsr->debugging )
+ printf("Adj LSA / Newer Adj LSA already exists in LSDB\n");
+ get_content_by_content_name(ccn_charbuf_as_string(uri), &content_data);
+ if ( nlsr->debugging )
+ printf("Content Data: %s \n",content_data);
+ }
+ }
+ else
+ {
+ if ( nlsr->debugging )
+ printf("Lsa is older than Router LSA refresh time/ Dead Interval\n");
+ }
+ }
+ else if(ls_type == LS_TYPE_COR)
+ {
+ res=ccn_name_comp_get(content_name->buf, components,components->n-2,&origtime, &comp_size);
+ ccn_name_chop(content_name,components,-2);
+ get_name_part(orig_router,content_name,components,0);
+
+ if ( nlsr->debugging )
+ printf("Orig Router: %s Ls Type: %d Orig Time: %s\n",orig_router->name,ls_type,origtime);
+
+ int lsa_life_time=get_time_diff(time_stamp,(char *)origtime);
+ if ( (strcmp((char *)orig_router,nlsr->router_name) == 0 && lsa_life_time < nlsr->lsa_refresh_time) || (strcmp((char *)orig_router,nlsr->router_name) != 0 && lsa_life_time < nlsr->router_dead_interval) )
+ {
+ int is_new_cor_lsa=check_is_new_cor_lsa(orig_router->name,(char *)lst,(char *)origtime);
+ if ( is_new_cor_lsa == 1 )
+ {
+ if ( nlsr->debugging )
+ printf("New Cor LSA.....\n");
+ get_content_by_content_name(ccn_charbuf_as_string(uri), &content_data);
+
+ if ( nlsr->debugging )
+ printf("Content Data: %s \n",content_data);
+ process_incoming_sync_content_lsa(content_data);
+ }
+ else
+ {
+ if ( nlsr->debugging )
+ printf("Cor LSA / Newer Cor LSA already exists in LSDB\n");
+ get_content_by_content_name(ccn_charbuf_as_string(uri), &content_data);
+ if ( nlsr->debugging )
+ printf("Content Data: %s \n",content_data);
+ }
+ }
+ else
+ {
+ if ( nlsr->debugging )
+ printf("Lsa is older than Router LSA refresh time/ Dead Interval\n");
+ }
+
+ }
+ }
+
+ if (content_data != NULL)
+ free(content_data);
+ ccn_charbuf_destroy(&uri);
+ //01/31/2013
+ free(time_stamp);
+}
+
+void
+sync_monitor(char *topo_prefix, char *slice_prefix)
+{
+
+ static struct ccns_name_closure nc={0};
+
+ nlsr->closure = &nc;
+ struct ccn_charbuf *prefix = ccn_charbuf_create();
+ struct ccn_charbuf *roothash = NULL;
+ struct ccn_charbuf *topo = ccn_charbuf_create();
+ nlsr->slice = ccns_slice_create();
+ ccn_charbuf_reset(prefix);
+ ccn_charbuf_reset(topo);
+
+ ccn_charbuf_reset(prefix);
+ ccn_name_from_uri(prefix, slice_prefix);
+
+ ccn_charbuf_reset(topo);
+ ccn_name_from_uri(topo, topo_prefix);
+
+
+ ccns_slice_set_topo_prefix(nlsr->slice, topo, prefix);
+ nlsr->closure->callback = &sync_cb;
+ nlsr->ccns = ccns_open(nlsr->ccn, nlsr->slice, nlsr->closure, roothash, NULL);
+
+ //01/31/2013
+ ccn_charbuf_destroy(&prefix);
+ ccn_charbuf_destroy(&topo);
+}
+
+struct ccn_charbuf *
+make_template(int scope)
+{
+ struct ccn_charbuf *templ = NULL;
+ 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> */
+ if (0 <= scope && scope <= 2)
+ ccnb_tagged_putf(templ, CCN_DTAG_Scope, "%d", scope);
+ ccn_charbuf_append_closer(templ); /* </Interest> */
+ return(templ);
+}
+
+int
+write_data_to_repo(char *data, char *name_prefix)
+{
+ if ( nlsr->debugging )
+ {
+ printf("write_data_to_repo called\n");
+ printf("Content Name: %s \n",name_prefix);
+ printf("Content Data: %s \n",data);
+ }
+
+ struct ccn *temp_ccn;
+ temp_ccn=ccn_create();
+ int ccn_fd=ccn_connect(temp_ccn, NULL);
+ if(ccn_fd == -1)
+ {
+ fprintf(stderr,"Could not connect to ccnd for Data Writing\n");
+ writeLogg(__FILE__,__FUNCTION__,__LINE__,"Could not connect to ccnd for Data Writing\n");
+ return -1;
+ }
+ struct ccn_charbuf *name = NULL;
+ struct ccn_seqwriter *w = NULL;
+ int blocksize = 4096;
+ int freshness = -1;
+ int torepo = 1;
+ int scope = 1;
+ int res;
+ size_t blockread;
+ struct ccn_charbuf *templ;
+
+ name = ccn_charbuf_create();
+ res = ccn_name_from_uri(name, name_prefix);
+ if (res < 0) {
+ fprintf(stderr, "bad CCN URI: %s\n",name_prefix);
+ return -1;
+ }
+
+
+ w = ccn_seqw_create(temp_ccn, name);
+ if (w == NULL) {
+ fprintf(stderr, "ccn_seqw_create failed\n");
+ return -1;
+ }
+ ccn_seqw_set_block_limits(w, blocksize, blocksize);
+ if (freshness > -1)
+ ccn_seqw_set_freshness(w, freshness);
+ if (torepo) {
+ struct ccn_charbuf *name_v = ccn_charbuf_create();
+ ccn_seqw_get_name(w, name_v);
+ ccn_name_from_uri(name_v, "%C1.R.sw");
+ ccn_name_append_nonce(name_v);
+ templ = make_template(scope);
+ res = ccn_get(temp_ccn, name_v, templ, 60000, NULL, NULL, NULL, 0);
+ ccn_charbuf_destroy(&templ);
+ ccn_charbuf_destroy(&name_v);
+ if (res < 0) {
+ fprintf(stderr, "No response from repository\n");
+ return -1;
+ }
+ }
+
+
+
+
+ blockread = 0;
+
+
+ blockread=strlen(data);
+
+ if (blockread > 0) {
+ ccn_run(temp_ccn, 100);
+ res = ccn_seqw_write(w, data, blockread);
+ while (res == -1) {
+ ccn_run(temp_ccn, 100);
+ res = ccn_seqw_write(w, data, blockread);
+ }
+ }
+
+ ccn_seqw_close(w);
+ ccn_run(temp_ccn, 100);
+ ccn_charbuf_destroy(&name);
+ ccn_destroy(&temp_ccn);
+
+ return 0;
+}
+
+
+int
+create_sync_slice(char *topo_prefix, char *slice_prefix)
+{
+ int res;
+ struct ccns_slice *slice;
+ struct ccn_charbuf *prefix = ccn_charbuf_create();
+ struct ccn_charbuf *topo = ccn_charbuf_create();
+ struct ccn_charbuf *clause = ccn_charbuf_create();
+ struct ccn_charbuf *slice_name = ccn_charbuf_create();
+ struct ccn_charbuf *slice_uri = ccn_charbuf_create();
+
+ if (prefix == NULL || topo == NULL || clause == NULL ||
+ slice_name == NULL || slice_uri == NULL) {
+ fprintf(stderr, "Unable to allocate required memory.\n");
+ return -1;
+ }
+
+
+ slice = ccns_slice_create();
+
+ ccn_charbuf_reset(topo);
+ ccn_name_from_uri(topo, topo_prefix);
+ ccn_charbuf_reset(prefix);
+ ccn_name_from_uri(prefix,slice_prefix );
+ ccns_slice_set_topo_prefix(slice, topo, prefix);
+
+
+ res = ccns_write_slice(nlsr->ccn, slice, slice_name);
+
+ //01/31/2013
+ ccns_slice_destroy(&slice);
+ ccn_charbuf_destroy(&prefix);
+ ccn_charbuf_destroy(&topo);
+ ccn_charbuf_destroy(&clause);
+ ccn_charbuf_destroy(&slice_name);
+ ccn_charbuf_destroy(&slice_uri);
+
+ return 0;
+}
+
diff --git a/nlsr_sync.h b/nlsr_sync.h
new file mode 100644
index 0000000..68fc767
--- /dev/null
+++ b/nlsr_sync.h
@@ -0,0 +1,10 @@
+#ifndef _NLSR_SYNC_H_
+#define _NLSR_SYNC_H_
+
+void sync_monitor(char *topo_prefix, char *slice_prefix);
+int write_data_to_repo(char *data,char *name_prefix);
+int create_sync_slice(char *topo_prefix, char *slice_prefix);
+void get_host_name_from_command_string(struct name_prefix *name_part,char *nbr_name_uri, int offset);
+void process_content_from_sync(struct ccn_charbuf *content_name, struct ccn_indexbuf *components);
+
+#endif