count for GATEWAYS table

.gitignore

@@ -8,6 +8,7 @@ qndtmf
 gwys.txt
 qnitap
 qndvap
+qndv
 qndvrptr
 qnlink
 qngateway

QnetDB.cpp

@@ -233,7 +233,7 @@ bool CQnetDB::FindGW(const char *name, std::string &address, unsigned short &por
 	sqlite3_stmt *stmt;
 	int rval = sqlite3_prepare_v2(db, sql.c_str(), -1, &stmt, 0);
 	if (SQLITE_OK != rval) {
-		fprintf(stderr, "CQnetDB::FindLS error: %d\n", rval);
+		fprintf(stderr, "CQnetDB::FindGW error: %d\n", rval);
 		return true;
 	}
 
@@ -250,12 +250,40 @@ bool CQnetDB::FindGW(const char *name, std::string &address, unsigned short &por
 
 void CQnetDB::ClearGW()
 {
+	if (NULL == db)
+		return;
+
 	std::string sql("DELETE FROM GATEWAYS;");
 	char *eMsg;
 
 	if (SQLITE_OK != sqlite3_exec(db, sql.c_str(), NULL, 0, &eMsg)) {
-		fprintf(stderr, "CQnetDB::Open drop table LINKSTATUS error: %s\n", eMsg);
+		fprintf(stderr, "CQnetDB::ClearGW error: %s\n", eMsg);
+		sqlite3_free(eMsg);
+	}
+}
+
+static int countcallback(void *count, int argc, char **argv, char **azColName) {
+    auto c = (int *)count;
+    *c = atoi(argv[0]);
+    return 0;
+}
+
+int CQnetDB::Count(const char *table)
+{
+	if (NULL == db)
+		return;
+
+ 	std::string sql("SELECT COUNT(*) FROM ");
+	sql.append(table);
+	sql.append(";");
+
+	int count = 0;
+
+	char *eMsg;
+    if (SQLITE_OK != sqlite3_exec(db, sql.c_str(), countcallback, &count, &eMsg)) {
+        fprintf(stderr, "CQnetDB::Count error: %s\n", eMsg);
         sqlite3_free(eMsg);
     }
 
+    return count;
 }

QnetDB.h

@@ -60,6 +60,7 @@ public:
 	bool FindLS(const char mod, std::list<CLink> &linklist);
 	bool FindGW(const char *name, std::string &address, unsigned short &port);
 	void ClearGW();
+	int Count(const char *table);
 
 private:
 	sqlite3 *db;

QnetLink.cpp

@@ -326,6 +326,10 @@ bool CQnetLink::load_gwys(const std::string &filename)
 			fprintf(stderr, "DPlus Authorization completed!\n");
 	}
 
+	auto count = qnDB.Count("GATEWAYS");
+	if (count)
+		printf("Loaded %d gateways from %s%s\n", count, filename.c_str(), dplus_authorize ? " and auth.dstargateway.org" : "");
+
 	return true;
 }