X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fftacmp%2Ftranslate_fta.cc;h=b6855ff8aea4bc965bf699f1003ccf88e820662d;hb=eb761d89890df8d74532dd4faad118db18fd3b7d;hp=4a1263fd08a0863cffee8bf188eb8621fd4d71ac;hpb=b39da83c4c942a0fb301471a0bc127ae3c32bce2;p=com%2Fgs-lite.git

diff --git a/src/ftacmp/translate_fta.cc b/src/ftacmp/translate_fta.cc
index 4a1263f..b6855ff 100644
--- a/src/ftacmp/translate_fta.cc
+++ b/src/ftacmp/translate_fta.cc
@@ -164,7 +164,7 @@ int main(int argc, char **argv){
 
   set<int>::iterator si;
 
-  vector<string> query_names;			// for lfta.c registration
+  vector<string> registration_query_names;			// for lfta.c registration
   map<string, vector<int> > mach_query_names;	// list queries of machine
   vector<int> snap_lengths;				// for lfta.c registration
   vector<string> interface_names;			// for lfta.c registration
@@ -555,11 +555,37 @@ int main(int argc, char **argv){
 	  }
 	  Schema = fta_parse_result->tables;
 
+//			Ensure that all schema_ids, if set, are distinct.
+//  Obsolete? There is code elsewhere to ensure that schema IDs are
+//  distinct on a per-interface basis.
+/*
+	  set<int> found_ids;
+	  set<int> dup_ids;
+	  for(int t=0;t<Schema->size();++t){
+		int sch_id = Schema->get_table(t)->get_schema_id();
+		if(sch_id> 0){
+			if(found_ids.find(sch_id) != found_ids.end()){
+				dup_ids.insert(sch_id);
+			}else{
+				found_ids.insert(sch_id);
+			}
+		}
+		if(dup_ids.size()>0){
+			fprintf(stderr, "Error, the schema has duplicate schema_ids:");
+			for(auto dit=dup_ids.begin();dit!=dup_ids.end(); ++dit)
+				fprintf(stderr," %d",(*dit));
+			fprintf(stderr,"\n");
+			exit(1);
+		}
+	  }
+*/
+
+
 //			Process schema field inheritance
 	  int retval;
 	  retval = Schema->unroll_tables(err_str);
 	  if(retval){
-		fprintf(stderr,"Error processing schema filed inheritance:\n %s\n", err_str.c_str() );
+		fprintf(stderr,"Error processing schema field inheritance:\n %s\n", err_str.c_str() );
 		exit(1);
 	  }
 	}else{
@@ -607,24 +633,31 @@ int main(int argc, char **argv){
   map<string, string> lfta_prefilter_val;
 
   string lfta_header =
-"#include <limits.h>\n\n"
+"#include <limits.h>\n"
 "#include \"rts.h\"\n"
 "#include \"fta.h\"\n"
 "#include \"lapp.h\"\n"
-"#include \"rts_udaf.h\"\n\n"
+"#include \"rts_udaf.h\"\n"
+"#include<stdio.h>\n"
+"#include <float.h>\n"
+"#include \"rdtsc.h\"\n"
+"#include \"watchlist.h\"\n\n"
+
 ;
 // Get any locally defined parsing headers
     glob_t glob_result;
     memset(&glob_result, 0, sizeof(glob_result));
 
-    // do the glob operation
+    // do the glob operation TODO should be from GSROOT
     int return_value = glob("../../include/lfta/local/*h", GLOB_TILDE, NULL, &glob_result);
 	if(return_value == 0){
+		lfta_header += "\n";
     	for(size_t i = 0; i < glob_result.gl_pathc; ++i) {
 			char *flds[1000];
 			int nflds = split_string(glob_result.gl_pathv[i],'/',flds,1000);
-			lfta_header += "#include \"local/"+string(flds[nflds-1])+"\"\n\n";
+			lfta_header += "#include \"local/"+string(flds[nflds-1])+"\"\n";
     	}
+		lfta_header += "\n";
 	}else{
 		fprintf(stderr,"Warning, glob on ../../include/lfta/local/*h failed.\n");
 	}
@@ -1625,11 +1658,11 @@ for(q=0;q<hfta_sets.size();++q){
 //				TODO: separate building operators from spliting lftas,
 //					that will make optimizations such as predicate pushing easier.
 	vector<stream_query *> lfta_list;
-
 	stream_query *rootq;
-
     int qi,qj;
 
+	map<string, map<int, string> > schema_of_schemaid; // ensure that schema IDs are unique to an <interface, schema>
+
 	for(qi=hfta_topsort.size()-1;qi>=0;--qi){
 
 	int hfta_id = hfta_topsort[qi];
@@ -1862,21 +1895,158 @@ for(q=0;q<hfta_sets.size();++q){
 //				Compute the number of LFTAs.
 	  int n_lfta = split_queries.size();
 	  if(hfta_returned) n_lfta--;
-
+//				Check if a schemaId constraint needs to be inserted.
 
 //				Process the LFTA components.
 	  for(l=0;l<n_lfta;++l){
 	   if(lfta_names.count(split_queries[l]->query_name) == 0){
 //				Grab the lfta for global optimization.
 	  	vector<tablevar_t *> tvec =  split_queries[l]->query_plan[0]->get_input_tbls();
-		string liface = tvec[0]->get_interface();
-		string lmach = tvec[0]->get_machine();
-		if (lmach == "")
-			lmach = hostname;
-	  	interface_names.push_back(liface);
-	  	machine_names.push_back(lmach);
+		string liface = "_local_";
+//		string lmach = "";
+		string lmach = hostname;
+		if(tvec.size()>0){
+			liface = tvec[0]->get_interface();	// iface queries have been resolved
+			lmach = tvec[0]->get_machine();
+		} // else{
+	  		interface_names.push_back(liface);
+	  		machine_names.push_back(lmach);
+//		}
+
+		vector<predicate_t *> schemaid_preds;
+		for(int irv=0;irv<tvec.size();++irv){
+
+			string schema_name = tvec[irv]->get_schema_name();
+			string rvar_name = tvec[irv]->get_var_name();
+			int schema_ref = tvec[irv]->get_schema_ref();
+			if (lmach == "")
+				lmach = hostname;
+//	  		interface_names.push_back(liface);
+//	  		machine_names.push_back(lmach);
+
 //printf("Machine is %s\n",lmach.c_str());
 
+//				Check if a schemaId constraint needs to be inserted.
+			if(schema_ref<0){ // can result from some kinds of splits
+				schema_ref = Schema->get_table_ref(schema_name);
+			}
+			int schema_id = Schema->get_schema_id(schema_ref);  // id associated with PROTOCOL
+			int errnum = 0;
+			string if_error;
+			iface_t *iface = ifaces_db-> get_interface(lmach, liface, errnum, if_error);
+			if(iface==NULL){
+				fprintf(stderr,"Error looking up the interface %s on host %s: %s\n",liface.c_str(), lmach.c_str(), if_error.c_str());
+				exit(1);
+			}	
+
+
+			if(tvec[irv]->get_interface() != "_local_"){
+			 if(iface->has_multiple_schemas()){
+				if(schema_id<0){	// invalid schema_id
+					fprintf(stderr,"Error, schema %s has no schema_id, but is sourced from multi-schema interface %s (ref'd in query %s)\n", schema_name.c_str(), liface.c_str(), split_queries[0]->query_name.c_str());
+					exit(1);
+				}
+				vector<string> iface_schemas = iface->get_property("Schemas");
+				if(iface_schemas.size()>0 && find(iface_schemas.begin(), iface_schemas.end(), schema_name) == iface_schemas.end()){
+					fprintf(stderr,"Error, query %s references schema %s from interface %s, but this schema is not in this interface's Schemas list\n", split_queries[0]->query_name.c_str(), schema_name.c_str(), liface.c_str());
+					exit(1);
+				}
+// Ensure that in liface, schema_id is used for only one schema
+				if(schema_of_schemaid.count(liface)==0){
+					map<int, string> empty_map;
+					schema_of_schemaid[liface] = empty_map;
+				}
+				if(schema_of_schemaid[liface].count(schema_id)==0){
+					schema_of_schemaid[liface][schema_id] = schema_name;
+				}else{
+					if(schema_of_schemaid[liface][schema_id] != schema_name){
+						fprintf(stderr, "ERROR, For interface %s, schema id %d is used in schemas %s and %s\n", liface.c_str(), schema_id, schema_name.c_str(), schema_of_schemaid[liface][schema_id].c_str());
+						exit(1);
+					}
+				}
+			 }else{	// single-schema interface
+				schema_id = -1;	// don't generate schema_id predicate
+				vector<string> iface_schemas = iface->get_property("Schemas");
+				if(iface_schemas.size()>0 && find(iface_schemas.begin(), iface_schemas.end(), schema_name) == iface_schemas.end()){
+					fprintf(stderr,"Error, query %s references schema %s from interface %s, but this schema is not in this interface's Schemas list\n", split_queries[0]->query_name.c_str(), schema_name.c_str(), liface.c_str());
+					exit(1);
+				}
+				if(iface_schemas.size()>1){
+					fprintf(stderr, "ERROR, interface %s is a single-schema interface, but has %d elements in its Schemas list.\n", liface.c_str(), (int)iface_schemas.size());
+					exit(1);
+				}
+			 }			
+			}else{
+				schema_id = -1;
+			}
+
+// If we need to check the schema_id, insert a predicate into the lfta.
+//	 TODO not just schema_id, the full all_schema_ids set.
+			if(schema_id>=0){
+				colref_t *schid_cr = new colref_t("schemaId");
+				schid_cr->schema_ref = schema_ref;
+				schid_cr->table_name = rvar_name;
+				schid_cr->tablevar_ref = 0;
+				schid_cr->default_table = false;
+				scalarexp_t *schid_se = new scalarexp_t(schid_cr);
+				data_type *schid_dt = new data_type("uint");
+				schid_se->dt = schid_dt;
+
+				string schid_str = int_to_string(schema_id);
+				literal_t *schid_lit = new literal_t(schid_str.c_str(), LITERAL_INT);
+				scalarexp_t *lit_se = new scalarexp_t(schid_lit);
+				lit_se->dt = schid_dt;
+
+				predicate_t *schid_pr = new predicate_t(schid_se, "=", lit_se);
+				vector<cnf_elem *> clist;
+				make_cnf_from_pr(schid_pr, clist);
+				analyze_cnf(clist[0]);
+				clist[0]->cost = 1;	// cheap one comparison
+// cnf built, now insert it.
+				split_queries[l]->query_plan[0]->append_to_where(clist[0]);
+
+// Specialized processing 
+//		filter join, get two schemaid preds
+				string node_type = split_queries[l]->query_plan[0]->node_type();
+				if(node_type == "filter_join"){
+					filter_join_qpn *fj = (filter_join_qpn *)split_queries[l]->query_plan[0];
+					if(irv==0){
+						fj->pred_t0.push_back(clist[0]);
+					}else{
+						fj->pred_t1.push_back(clist[0]);
+					}
+					schemaid_preds.push_back(schid_pr);
+				}
+//		watchlist join, get the first schemaid pred
+				if(node_type == "watch_join"){
+					watch_join_qpn *fj = (watch_join_qpn *)split_queries[l]->query_plan[0];
+					if(irv==0){
+						fj->pred_t0.push_back(clist[0]);
+						schemaid_preds.push_back(schid_pr);
+					}
+				}
+			}
+		}
+// Specialized processing, currently filter join.
+		if(schemaid_preds.size()>1){
+			string node_type = split_queries[l]->query_plan[0]->node_type();
+			if(node_type == "filter_join"){
+				filter_join_qpn *fj = (filter_join_qpn *)split_queries[l]->query_plan[0];
+				predicate_t *filter_pr = new predicate_t("OR", schemaid_preds[0], schemaid_preds[1]);
+				vector<cnf_elem *> clist;
+				make_cnf_from_pr(filter_pr, clist);
+				analyze_cnf(clist[0]);
+				clist[0]->cost = 1;	// cheap one comparison
+				fj->shared_pred.push_back(clist[0]);
+			}
+		}
+			
+
+
+
+
+
+
 //			Set the ht size from the recommendation, if there is one in the rec file
 		if(lfta_htsize.count(split_queries[l]->query_name)>0){
 			split_queries[l]->query_plan[0]->set_definition("aggregate_slots",int_to_string(lfta_htsize[split_queries[l]->query_name]));
@@ -1891,7 +2061,9 @@ for(q=0;q<hfta_sets.size();++q){
 //			THe following is a hack,
 //			as I should be generating LFTA code through
 //			the stream_query object.
+
 	  	split_queries[l]->query_plan[0]->bind_to_schema(Schema);
+
 //	  	split_queries[l]->query_plan[0]->definitions = split_queries[l]->defines;
 
 /*
@@ -1915,8 +2087,12 @@ for(q=0;q<hfta_sets.size();++q){
 */
 
 	  	snap_lengths.push_back(compute_snap_len(split_queries[l]->query_plan[0], Schema));
-	  	query_names.push_back(split_queries[l]->query_name);
-		mach_query_names[lmach].push_back(query_names.size()-1);
+
+// TODO NOTE : I'd like it to be the case that registration_query_names
+//	are the queries to be registered for subsciption.
+//	but there is some complex bookkeeping here.
+	  	registration_query_names.push_back(split_queries[l]->query_name);
+		mach_query_names[lmach].push_back(registration_query_names.size()-1);
 //			NOTE: I will assume a 1-1 correspondance between
 //			mach_query_names[lmach] and lfta_mach_lists[lmach]
 //			where mach_query_names[lmach][i] contains the index into
@@ -2050,7 +2226,7 @@ if (partitioned_mode) {
 }
 
 
-print_hftas("preopt_hfta_info.txt", hfta_list, lfta_names, query_names, interface_names);
+print_hftas("preopt_hfta_info.txt", hfta_list, lfta_names, registration_query_names, interface_names);
 
 int num_hfta = hfta_list.size();
 for(i=0; i < hfta_list.size(); ++i){
@@ -2063,7 +2239,7 @@ for(i=num_hfta; i < hfta_list.size(); ++i){
 		Schema->append_table(td);
 }
 
-print_hftas("postopt_hfta_info.txt", hfta_list, lfta_names, query_names, interface_names);
+print_hftas("postopt_hfta_info.txt", hfta_list, lfta_names, registration_query_names, interface_names);
 
 
 
@@ -2121,17 +2297,26 @@ for(i=0;i<hfta_list.size();++i){		// query also has an HFTA component
 		   	hfta_namespace = hfta_list[i]->defines["namespace"];
 		  if(hfta_list[i]->defines.count("Namespace")>0)
 		   	hfta_namespace = hfta_list[i]->defines["Namespace"];
-		  if(hfta_list[i]->defines.count("Namespace")>0)
-		   	hfta_namespace = hfta_list[i]->defines["Namespace"];
+		  if(hfta_list[i]->defines.count("NAMESPACE")>0)
+		   	hfta_namespace = hfta_list[i]->defines["NAMESPACE"];
 
 		  if(field_verifier != NULL){
 			string warning_str;
 			if(hfta_comment == "")
 				warning_str += "\tcomment not found.\n";
-			if(hfta_title == "")
-				warning_str += "\ttitle not found.\n";
-			if(hfta_namespace == "")
-				warning_str += "\tnamespace not found.\n";
+
+// Obsolete stuff that Carsten wanted
+//			if(hfta_title == "")
+//				warning_str += "\ttitle not found.\n";
+//			if(hfta_namespace == "")
+//				warning_str += "\tnamespace not found.\n";
+
+// STOPPED HERE
+//	There is a get_tbl_keys method implemented for qp_nodes,
+//	integrate it into steam_query, then call it to find keys,
+//	and annotate feidls with their key-ness.
+//	If there is a "keys" proprty in the defines block, override anything returned
+//	from the automated analysis
 
 			vector<field_entry *> flds = hfta_list[i]->get_output_tabledef()->get_fields();
 			int fi;
@@ -2143,6 +2328,62 @@ for(i=0;i<hfta_list.size();++i){		// query also has an HFTA component
 					hfta_list[i]->get_output_tabledef()->get_tbl_name().c_str(),warning_str.c_str());
 		  }
 
+// Get the fields in this query
+		  vector<field_entry *> flds = hfta_list[i]->get_output_tabledef()->get_fields();
+
+// do key processing
+		  string hfta_keys_s = "";
+		  if(hfta_list[i]->defines.count("keys")>0)
+		   	hfta_keys_s = hfta_list[i]->defines["keys"];
+		  if(hfta_list[i]->defines.count("Keys")>0)
+		   	hfta_keys_s = hfta_list[i]->defines["Keys"];
+		  if(hfta_list[i]->defines.count("KEYS")>0)
+		   	hfta_keys_s = hfta_list[i]->defines["KEYS"];
+		  string xtra_keys_s = "";
+		  if(hfta_list[i]->defines.count("extra_keys")>0)
+		   	xtra_keys_s = hfta_list[i]->defines["extra_keys"];
+		  if(hfta_list[i]->defines.count("Extra_Keys")>0)
+		   	xtra_keys_s = hfta_list[i]->defines["Extra_Keys"];
+		  if(hfta_list[i]->defines.count("EXTRA_KEYS")>0)
+		   	xtra_keys_s = hfta_list[i]->defines["EXTRA_KEYS"];
+// get the keys
+		  vector<string> hfta_keys;
+		  vector<string> partial_keys;
+		  vector<string> xtra_keys;
+		  if(hfta_keys_s==""){
+				hfta_keys = hfta_list[i]->get_tbl_keys(partial_keys);
+				if(xtra_keys_s.size()>0){
+					xtra_keys = split_string(xtra_keys_s, ',');
+				}
+				for(int xi=0;xi<xtra_keys.size();++xi){
+					if(find(hfta_keys.begin(), hfta_keys.end(), xtra_keys[xi]) == hfta_keys.end()){
+						hfta_keys.push_back(xtra_keys[xi]);
+					}
+				}
+		  }else{
+				hfta_keys = split_string(hfta_keys_s, ',');
+		  }
+// validate that all of the keys exist in the output.
+//	(exit on error, as its a bad specificiation)
+		  vector<string> missing_keys;
+		  for(int ki=0;ki<hfta_keys.size(); ++ki){
+			int fi;
+			for(fi=0;fi<flds.size();++fi){
+				if(hfta_keys[ki] == flds[fi]->get_name())
+					break;
+			}
+			if(fi==flds.size())
+				missing_keys.push_back(hfta_keys[ki]);
+		  }
+		  if(missing_keys.size()>0){
+			fprintf(stderr, "Error, HFTA stream %s has keys defined which aren't in the output:", hfta_list[i]->get_output_tabledef()->get_tbl_name().c_str());
+			for(int hi=0; hi<missing_keys.size(); ++hi){
+				fprintf(stderr," %s", missing_keys[hi].c_str());
+			}
+			fprintf(stderr,"\n");
+			exit(1);
+		  }
+
 		  fprintf(qtree_output,"\t<HFTA name='%s'>\n",hfta_list[i]->get_output_tabledef()->get_tbl_name().c_str());
 		  if(hfta_comment != "")
 		  	fprintf(qtree_output,"\t\t<Description value='%s' />\n",hfta_comment.c_str());
@@ -2154,15 +2395,25 @@ for(i=0;i<hfta_list.size();++i){		// query also has an HFTA component
 		  fprintf(qtree_output,"\t\t<Rate value='100' />\n");
 
 //				write info about fields to qtree.xml
-		  vector<field_entry *> flds = hfta_list[i]->get_output_tabledef()->get_fields();
 		  int fi;
 		  for(fi=0;fi<flds.size();fi++){
 			fprintf(qtree_output,"\t\t<Field name='%s' pos='%d' type='%s' ",flds[fi]->get_name().c_str(), fi, flds[fi]->get_type().c_str());
 			if(flds[fi]->get_modifier_list()->size()){
-				fprintf(qtree_output,"mods='%s' ", flds[fi]->get_modifier_list()->to_string().c_str());
+				fprintf(qtree_output,"mods='%s'", flds[fi]->get_modifier_list()->to_string().c_str());
 			}
 			fprintf(qtree_output," />\n");
 		  }
+// info about keys
+		  for(int hi=0;hi<hfta_keys.size();++hi){
+			fprintf(qtree_output, "\t\t<Key value='%s'/>\n",hfta_keys[hi].c_str());
+		  }
+		  for(int hi=0;hi<partial_keys.size();++hi){
+			fprintf(qtree_output, "\t\t<PartialKey value='%s'/>\n",partial_keys[hi].c_str());
+		  }
+		  for(int hi=0;hi<xtra_keys.size();++hi){
+			fprintf(qtree_output, "\t\t<ExtraKey value='%s'/>\n",xtra_keys[hi].c_str());
+		  }
+
 
 		  // extract liveness timeout from query definition
 		  int liveness_timeout = atoi(hfta_list[i]->query_plan[hfta_list[i]->qhead]->get_val_of_def("liveness_timeout").c_str());
@@ -2247,7 +2498,10 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 		int li;
 		for(li=0;li<mach_lftas.size();++li){
 	  		vector<tablevar_t *> tvec =  mach_lftas[li]->query_plan[0]->get_input_tbls();
-			string lfta_iface = tvec[0]->get_interface();
+			string lfta_iface = "_local_";
+			if(tvec.size()>0){
+				string lfta_iface = tvec[0]->get_interface();
+			}
 			lfta_iface_lists[lfta_iface].push_back(mach_lftas[li]);
 		}
 
@@ -2308,7 +2562,10 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
                                                         // for fta_init
 		for(li=0;li<mach_lftas.size();++li){
 	  		vector<tablevar_t *> tvec =  mach_lftas[li]->query_plan[0]->get_input_tbls();
-			string lfta_iface = tvec[0]->get_interface();
+			string lfta_iface = "_local_";
+			if(tvec.size()>0){
+				lfta_iface = tvec[0]->get_interface();
+			}
 			lfta_iface_lists[lfta_iface].push_back(mach_lftas[li]);
 			lfta_iface_qname_ix[lfta_iface].push_back(mach_query_names[lmach][li]);
 		}
@@ -2319,11 +2576,14 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 // 	But this is defunct code for gs-lite
 		for(li=0;li<mach_lftas.size();++li){
 	  	  vector<tablevar_t *> tvec =  mach_lftas[li]->query_plan[0]->get_input_tbls();
-		  string liface = tvec[0]->get_interface();
+		  string liface = "_local_";
+		  if(tvec.size()>0){
+		  	 liface = tvec[0]->get_interface();
+		  }
 		  vector<string> iface_codegen_type = ifaces_db->get_iface_vals(lmach,liface,"iface_codegen_type",erri,err_str);
 		  if(iface_codegen_type.size()){
 			if(npdb->get_nic_prop_val(iface_codegen_type[0],"Return",erri) == "Packed"){
-			  packed_return = true;
+		  	packed_return = true;
 			}
 		  }
 		}
@@ -2454,7 +2714,10 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 	  		lfta_val[lmach] += "\t} else if (!strcmp(iface_name, \"" + *sir + "\")) {\n";
 
 	  	// iterate through interface properties
-		vector<string> iface_properties = ifaces_db->get_iface_properties(lmach,*sir,erri,err_str);
+		vector<string> iface_properties;
+		if(*sir!="_local_"){	// dummy watchlist interface, don't process.
+			iface_properties = ifaces_db->get_iface_properties(lmach,*sir,erri,err_str);
+		}
 		if (erri) {
 			fprintf(stderr,"ERROR cannot retrieve interface properties for %s.%s, %s\n",lmach.c_str(), sir->c_str(), err_str.c_str());
 			exit(1);
@@ -2470,8 +2733,9 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 
 				// combine all values for the interface property using comma separator
 				vector<string> vals = ifaces_db->get_iface_vals(lmach,*sir,iface_properties[i],erri,err_str);
+				lfta_val[lmach] += "\t\t\treturn \"";
 				for (int j = 0; j < vals.size(); ++j) {
-					lfta_val[lmach] += "\t\t\treturn \"" + vals[j];
+					lfta_val[lmach] +=  vals[j];
 					if (j != vals.size()-1)
 						lfta_val[lmach] += ",";
 				}
@@ -2490,11 +2754,25 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 	  lfta_val[lmach] += "// list of FTAs clearinghouse expects to register themselves\n";
 	  lfta_val[lmach] += "const gs_sp_t fta_names[] = {";
 
-	  for (i = 0; i < query_names.size(); ++i) {
-		   if (i)
-	  	   	  lfta_val[lmach] += ", ";
-	  	   lfta_val[lmach] += "\"" + query_names[i] + "\"";
+	  bool first = true;
+	  for(auto mvsi=lfta_iface_lists.begin(); mvsi!=lfta_iface_lists.end(); ++mvsi){
+		string liface = (*mvsi).first;
+		if(liface != "_local_"){	// these don't register themselves
+			vector<stream_query *> lfta_list = (*mvsi).second;
+			for(i=0;i<lfta_list.size();i++){
+				int mi = lfta_iface_qname_ix[liface][i];
+				if(first) first = false;
+				else      lfta_val[lmach] += ", ";
+	  	   		lfta_val[lmach] += "\"" + registration_query_names[mi] + "\"";
+			}
+		}
 	  }
+//	  for (i = 0; i < registration_query_names.size(); ++i) {
+//		   if (i)
+//	  	   	  lfta_val[lmach] += ", ";
+//	  	   lfta_val[lmach] += "\"" + registration_query_names[i] + "\"";
+//	  }
+
 	  for (i = 0; i < hfta_list.size(); ++i) {
 		   lfta_val[lmach] += ", \"" + hfta_list[i]->query_name + "\"";
 	  }
@@ -2506,6 +2784,7 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 //	set the prefilter function accordingly.
 //	see the example in demo/err2
 	  lfta_val[lmach] += "void fta_init(gs_sp_t device){\n";
+	  lfta_val[lmach] += "//	note: the last parameter in fta_register is the prefilter signature\n";
 
 //	  for(i=0;i<mach_query_names[lmach].size();i++)
 //		int mi = mach_query_names[lmach][i];
@@ -2517,6 +2796,13 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 		for(i=0;i<lfta_list.size();i++){
 			stream_query *lfta_sq = lfta_list[i];
 			int mi = lfta_iface_qname_ix[liface][i];
+
+			if(liface == "_local_"){
+//  Don't register an init function, do the init code inline
+				lfta_val[lmach] += "// initialization code for "+registration_query_names[mi]+";\n";
+				lfta_val[lmach] += "\t"+generate_watchlist_name(registration_query_names[mi])+".filename = "+generate_watchlist_name(registration_query_names[mi])+"__fstr;\n";
+				continue;
+			}
 		
   			fprintf(stderr,"interface %s, LFTA %d, snap length is %d\n",liface.c_str(),mi,snap_lengths[mi]);
 
@@ -2524,7 +2810,7 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 			if(interface_names[mi]!="")
 				this_iface = '"'+interface_names[mi]+'"';
 			lfta_val[lmach] += "\tif(!strcmp(device,"+this_iface+"))\n";
-    		lfta_val[lmach] += "\t\tfta_register(\""+query_names[mi]+"\", " + (lfta_reuse_options[mi]?"1":"0") + ", ";
+    		lfta_val[lmach] += "\t\tfta_register(\""+registration_query_names[mi]+"\", " + (lfta_reuse_options[mi]?"1":"0") + ", ";
 //    		if(interface_names[mi]=="")
 //				lfta_val[lmach]+="DEFAULTDEV";
 //    		else
@@ -2532,8 +2818,8 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 			lfta_val[lmach] += this_iface;
 
 
-    		lfta_val[lmach] += ", "+generate_alloc_name(query_names[mi])
-        		+"\n#ifndef LFTA_IN_NIC\n\t,"+generate_schema_string_name(query_names[mi])
+    		lfta_val[lmach] += ", "+generate_alloc_name(registration_query_names[mi])
+        		+"\n#ifndef LFTA_IN_NIC\n\t,"+generate_schema_string_name(registration_query_names[mi])
         		+"\n#endif\n";
 				sprintf(tmpstr,",%d",snap_lengths[mi]);
     			lfta_val[lmach] += tmpstr;
@@ -2595,14 +2881,15 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 
 //			NOTE : I'm assuming that visible lftas do not start with _fta.
 //				-- will fail for non-visible simple selection queries.
-		if(field_verifier != NULL && query_names[mi].substr(0,1) != "_"){
+		if(field_verifier != NULL && registration_query_names[mi].substr(0,1) != "_"){
 			string warning_str;
 			if(lfta_comment == "")
 				warning_str += "\tcomment not found.\n";
-			if(lfta_title == "")
-				warning_str += "\ttitle not found.\n";
-			if(lfta_namespace == "")
-				warning_str += "\tnamespace not found.\n";
+// Obsolete stuff that carsten wanted
+//			if(lfta_title == "")
+//				warning_str += "\ttitle not found.\n";
+//			if(lfta_namespace == "")
+//				warning_str += "\tnamespace not found.\n";
 
 			vector<field_entry *> flds = lfta_sq->get_output_tabledef()->get_fields();
 			int fi;
@@ -2611,26 +2898,30 @@ for(ssi_el=extra_external_libs.begin();ssi_el!=extra_external_libs.end();++ssi_e
 			}
 			if(warning_str != "")
 				fprintf(stderr,"Warning, in LFTA stream %s:\n%s",
-					query_names[mi].c_str(),warning_str.c_str());
+					registration_query_names[mi].c_str(),warning_str.c_str());
 		}
 
 
 //			Create qtree output
-		fprintf(qtree_output,"\t<LFTA name='%s' >\n",query_names[mi].c_str());
-                  if(lfta_comment != "")
-                        fprintf(qtree_output,"\t\t<Description value='%s' />\n",lfta_comment.c_str());
-                  if(lfta_title != "")
-                        fprintf(qtree_output,"\t\t<Title value='%s' />\n",lfta_title.c_str());
-                  if(lfta_namespace != "")
-                        fprintf(qtree_output,"\t\t<Namespace value='%s' />\n",lfta_namespace.c_str());
-                  if(lfta_ht_size != "")
-                        fprintf(qtree_output,"\t\t<HtSize value='%s' />\n",lfta_ht_size.c_str());
+		fprintf(qtree_output,"\t<LFTA name='%s' >\n",registration_query_names[mi].c_str());
+        if(lfta_comment != "")
+              fprintf(qtree_output,"\t\t<Description value='%s' />\n",lfta_comment.c_str());
+        if(lfta_title != "")
+              fprintf(qtree_output,"\t\t<Title value='%s' />\n",lfta_title.c_str());
+        if(lfta_namespace != "")
+              fprintf(qtree_output,"\t\t<Namespace value='%s' />\n",lfta_namespace.c_str());
+        if(lfta_ht_size != "")
+              fprintf(qtree_output,"\t\t<HtSize value='%s' />\n",lfta_ht_size.c_str());
 		if(lmach != "")
 		  fprintf(qtree_output,"\t\t<Host value='%s' />\n",lmach.c_str());
 		else
 		  fprintf(qtree_output,"\t\t<Host value='%s' />\n",hostname.c_str());
 		fprintf(qtree_output,"\t\t<Interface  value='%s' />\n",interface_names[mi].c_str());
-		fprintf(qtree_output,"\t\t<ReadsFrom value='%s' />\n",interface_names[mi].c_str());
+		std::vector<tablevar_t *> itbls = lfta_sq->get_input_tables();
+		for(int t=0;t<itbls.size();++t){
+			fprintf(qtree_output,"\t\t<ReadsFrom value='%s' />\n",itbls[t]->get_schema_name().c_str());
+		}
+//		fprintf(qtree_output,"\t\t<ReadsFrom value='%s' />\n",interface_names[mi].c_str());
 		fprintf(qtree_output,"\t\t<Rate value='100' />\n");
 		fprintf(qtree_output,"\t\t<LivenessTimeout value='%d' />\n", lfta_liveness_timeouts[mi]);
 //				write info about fields to qtree.xml
@@ -2774,7 +3065,12 @@ void generate_makefile(vector<string> &input_file_names, int nfiles,
 	}
 
 //		Do we need to include protobuf libraries?
+//		TODO Move to the interface library: get the libraries to include 
+//		for an interface type
+
 	bool use_proto = false;
+	bool use_bsa = false;
+	bool use_kafka = false;
 	int erri;
 	string err_str;
 	for(ssi=ifaces.begin();ssi!=ifaces.end();++ssi){
@@ -2785,6 +3081,18 @@ void generate_makefile(vector<string> &input_file_names, int nfiles,
 				use_proto = true;
 			}
 		}
+		ift = ifdb->get_iface_vals(ifmachines[ifnm],ifnm, "BSA", erri, err_str);
+		for(int ift_i=0;ift_i<ift.size();ift_i++){
+			if(ift[ift_i] == "TRUE" || ift[ift_i] == "True" || ift[ift_i] == "true"){	
+				use_bsa = true;
+			}
+		}
+		ift = ifdb->get_iface_vals(ifmachines[ifnm],ifnm, "KAFKA", erri, err_str);
+		for(int ift_i=0;ift_i<ift.size();ift_i++){
+			if(ift[ift_i] == "TRUE" || ift[ift_i] == "True" || ift[ift_i] == "true"){	
+				use_kafka = true;
+			}
+		}
 	}
 
 	fprintf(outfl,
@@ -2814,6 +3122,10 @@ void generate_makefile(vector<string> &input_file_names, int nfiles,
 		fprintf(outfl, " -ldll -ldl ");
 	if(use_proto)
 		fprintf(outfl, " -L/usr/local/lib/ -lprotobuf-c ");
+	if(use_bsa)
+		fprintf(outfl, " -lbsa_stream ");
+	if(use_kafka)
+		fprintf(outfl, " -lrdkafka ");
 	fprintf(outfl," -lgscpaux");
 #ifdef GCOV
 	fprintf(outfl," -fprofile-arcs");
@@ -2896,6 +3208,9 @@ void generate_makefile(vector<string> &input_file_names, int nfiles,
 //	string err_str;
 	for(ssi=ifaces.begin();ssi!=ifaces.end();++ssi){
 		string ifnm = (*ssi);
+		// suppress internal _local_ interface
+		if (ifnm == "_local_")
+			continue;
 		fprintf(outfl, "%s ",ifnm.c_str());
 		vector<string> ifv = ifdb->get_iface_vals(ifmachines[ifnm],ifnm, "Command", erri, err_str);
 		for(j=0;j<ifv.size();++j)