int uriindex_delete (char uri[], char subname[]) {
DB *dbp = NULL;
DBT key;
int ret;
int forreturn = 1;
if (!uriindex_open(&dbp,subname, DB_CREATE)) {
fprintf(stderr,"can't open uriindex\n");
return 0;
}
//resetter minne
memset(&key, 0, sizeof(DBT));
//legger inn datane i bdb strukturen
key.data = uri;
key.size = strlen(uri);
if ((ret = dbp->del(dbp, NULL, &key, 0)) == 0) {
forreturn = 1;
}
else {
dbp->err(dbp, ret, "DBcursor->get");
forreturn = 0;
}
uriindex_close(&dbp);
return forreturn;
}
int uriindex_add (char uri[], unsigned int DocID, unsigned int lastmodified, char subname[]) {
DB dbpArray;
DB *dbp = NULL;
DBT key, data;
int ret;
struct uriindexFormat uriindex;
#ifdef DEBUG
printf("uriindex_add: subname %s\n",subname);
#endif
uriindex_open(&dbp,subname, DB_CREATE);
//resetter minne
memset(&key, 0, sizeof(DBT));
memset(&data, 0, sizeof(DBT));
//legger inn datane i bdb strukturen
key.data = uri;
key.size = strlen(uri);
uriindex.DocID = DocID;
uriindex.lastmodified = lastmodified;
//data.data = &DocID;
//data.size = sizeof(DocID);
data.data = &uriindex;
data.size = sizeof(uriindex);
//legger til i databasen
if ((ret = dbp->put(dbp, NULL, &key, &data, 0)) != 0) {
dbp->err(dbp, ret, "DB->put");
//kan ikke returnere her for da blir den aldr lukket.
//return (EXIT_FAILURE);
}
uriindex_close(&dbp);
}
int uriindex_get (char uri[], unsigned int *DocID, unsigned int *lastmodified, char subname[]) {
DB dbpArray;
DB *dbp = NULL;
DBT key, data;
int ret;
int forreturn = 1;
struct uriindexFormat uriindex;
if (!uriindex_open(&dbp,subname, DB_RDONLY)) {
#ifdef DEBUG
fprintf(stderr,"can't open uriindex\n");
#endif
return 0;
}
//resetter minne
memset(&key, 0, sizeof(DBT));
memset(&data, 0, sizeof(DBT));
//legger inn datane i bdb strukturen
key.data = uri;
key.size = strlen(uri);
if ((ret = dbp->get(dbp, NULL, &key, &data, 0)) == 0) {
*DocID = (*(struct uriindexFormat *)data.data).DocID;
*lastmodified = (*(struct uriindexFormat *)data.data).lastmodified;
forreturn = 1;
}
else if (ret == DB_NOTFOUND) {
#ifdef DEBUG
dbp->err(dbp, ret, "DBcursor->get");
printf("search for \"%s\", len %i\n",key.data,key.size);
#endif
forreturn = 0;
}
else {
dbp->err(dbp, ret, "DBcursor->get");
forreturn = 0;
}
uriindex_close(&dbp);
return forreturn;
}