--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/servlib/routing/DTLSR.cc Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2007 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <dtn-config.h>
+#endif
+
+#include <oasys/serialize/MarshalSerialize.h>
+#include <oasys/util/ScratchBuffer.h>
+
+#include "DTLSR.h"
+#include "bundling/Bundle.h"
+
+namespace dtn {
+
+//----------------------------------------------------------------------
+void
+DTLSR::LinkParams::serialize(oasys::SerializeAction* a)
+{
+ a->process("state", &state_);
+ a->process("cost", &cost_);
+ a->process("delay", &delay_);
+ a->process("bw", &bw_);
+ a->process("qcount",&qcount_);
+ a->process("qsize", &qsize_);
+}
+
+//----------------------------------------------------------------------
+void
+DTLSR::LinkState::serialize(oasys::SerializeAction* a)
+{
+ a->process("dest", &dest_);
+ a->process("id", &id_);
+ a->process("elapsed", &elapsed_);
+ a->process("params", ¶ms_);
+}
+
+//----------------------------------------------------------------------
+void
+DTLSR::LSA::serialize(oasys::SerializeAction* a)
+{
+ a->process("seqno", &seqno_);
+ a->process("links", &links_);
+}
+
+//----------------------------------------------------------------------
+void
+DTLSR::format_lsa_bundle(Bundle* bundle, const LSA* lsa)
+{
+ oasys::MarshalSize ms(oasys::Serialize::CONTEXT_NETWORK);
+ if (ms.action(lsa) != 0) {
+ log_crit_p("/dtn/route/dtlsr", "error sizing lsa");
+ return;
+ }
+ size_t len = ms.size();
+
+ // XXX/demmer should define a new serialization class that
+ // overrides the Marshal::process for strings and uses an SDNV
+ // length instead. Could also send the params in a packed struct
+ // for convenience
+
+ oasys::ScratchBuffer<u_char*, 256> buf;
+
+ oasys::Marshal m(oasys::Serialize::CONTEXT_NETWORK, &buf);
+ if (m.action(lsa) != 0) {
+ log_crit_p("/dtn/route/dtlsr", "error marshalling lsa");
+ return;
+ }
+
+ bundle->mutable_payload()->set_length(1 + len);
+
+ u_char type = MSG_LSA;
+ bundle->mutable_payload()->write_data(&type, 0, 1);
+ bundle->mutable_payload()->write_data(buf.buf(), 1, len);
+}
+
+//----------------------------------------------------------------------
+bool
+DTLSR::parse_lsa_bundle(const Bundle* bundle, LSA* lsa)
+{
+ oasys::ScratchBuffer<u_char*, 256> buf;
+ size_t len = bundle->payload().length();
+ bundle->payload().read_data(0, len, buf.buf(len));
+
+ if (buf.buf()[0] != MSG_LSA) {
+ log_warn_p("/dtn/route/dtlsr",
+ "parse_lsa_bundle: typecode byte %u != MSG_LSA",
+ buf.buf()[0]);
+ return false;
+ }
+
+ oasys::Unmarshal um(oasys::Serialize::CONTEXT_NETWORK,
+ buf.buf() + 1, len - 1);
+ if (um.action(lsa) != 0) {
+ log_warn_p("/dtn/route/dtlsr",
+ "error unmarshalling lsa vector");
+ return false;
+ }
+
+ return true;
+}
+
+} // namespace dtn