[1206] initial hardcoded no checking factory function

src/lib/datasrc/Makefile.am

@@ -24,6 +24,7 @@ libdatasrc_la_SOURCES += logger.h logger.cc
 libdatasrc_la_SOURCES += client.h iterator.h
 libdatasrc_la_SOURCES += database.h database.cc
 libdatasrc_la_SOURCES += sqlite3_accessor.h sqlite3_accessor.cc
+libdatasrc_la_SOURCES += factory.h factory.cc
 nodist_libdatasrc_la_SOURCES = datasrc_messages.h datasrc_messages.cc
 
 libdatasrc_la_LIBADD = $(top_builddir)/src/lib/exceptions/libexceptions.la

src/lib/datasrc/factory.cc

@@ -0,0 +1,45 @@
+// Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include "factory.h"
+
+#include "data_source.h"
+#include "database.h"
+#include "sqlite3_accessor.h"
+#include "memory_datasrc.h"
+
+namespace isc {
+namespace datasrc {
+
+boost::shared_ptr<DataSourceClient>
+createDataSourceClient(const std::string& type,
+                       const isc::dns::RRClass& rrclass,
+                       isc::data::ConstElementPtr config) {
+    // For now, mapping hardcoded
+    // config is assumed to be ok
+    if (type == "sqlite3") {
+        boost::shared_ptr<DatabaseAccessor> sqlite3_accessor(
+            new SQLite3Accessor(config->get("dbfile")->stringValue(), rrclass));
+        return boost::shared_ptr<DataSourceClient>(
+            new DatabaseClient(rrclass, sqlite3_accessor));
+    } else if (type == "memory") {
+        return boost::shared_ptr<DataSourceClient>(new InMemoryClient());
+    } else {
+        isc_throw(DataSourceError, "Unknown datasource type: " << type);
+    }
+}
+
+} // end namespace datasrc
+} // end namespace isc
+

src/lib/datasrc/factory.h

@@ -0,0 +1,40 @@
+// Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#ifndef __DATA_SOURCE_FACTORY_H
+#define __DATA_SOURCE_FACTORY_H 1
+
+//#include <boost/noncopyable.hpp>
+//#include <boost/shared_ptr.hpp>
+
+//#include <exceptions/exceptions.h>
+
+#include <datasrc/client.h>
+
+#include <cc/data.h>
+
+namespace isc {
+namespace datasrc {
+
+boost::shared_ptr<DataSourceClient>
+createDataSourceClient(const std::string& type,
+                       const isc::dns::RRClass& rrclass,
+                       isc::data::ConstElementPtr config);
+
+}
+}
+#endif  // DATA_SOURCE_FACTORY_H
+// Local Variables:
+// mode: c++
+// End:

src/lib/datasrc/tests/Makefile.am

@@ -35,6 +35,7 @@ run_unittests_SOURCES += logger_unittest.cc
 run_unittests_SOURCES += database_unittest.cc
 run_unittests_SOURCES += client_unittest.cc
 run_unittests_SOURCES += sqlite3_accessor_unittest.cc
+run_unittests_SOURCES += factory_unittest.cc
 
 run_unittests_CPPFLAGS = $(AM_CPPFLAGS) $(GTEST_INCLUDES)
 run_unittests_LDFLAGS  = $(AM_LDFLAGS)  $(GTEST_LDFLAGS)