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primitives.cpp
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primitives.cpp
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/* Copyright 2013-present Barefoot Networks, Inc.
*
* 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.
*/
/*
* Antonin Bas (antonin@barefootnetworks.com)
*
*/
#include <bm/bm_sim/actions.h>
#include <bm/bm_sim/core/primitives.h>
template <typename... Args>
using ActionPrimitive = bm::ActionPrimitive<Args...>;
using bm::Data;
using bm::Field;
using bm::Header;
class modify_field : public ActionPrimitive<Field &, const Data &> {
void operator ()(Field &f, const Data &d) {
bm::core::assign()(f, d);
}
};
REGISTER_PRIMITIVE(modify_field);
class add_to_field : public ActionPrimitive<Field &, const Data &> {
void operator ()(Field &f, const Data &d) {
f.add(f, d);
}
};
REGISTER_PRIMITIVE(add_to_field);
class drop : public ActionPrimitive<> {
void operator ()() {
get_field("standard_metadata.egress_port").set(511);
}
};
REGISTER_PRIMITIVE(drop);
class generate_digest : public ActionPrimitive<const Data &, const Data &> {
void operator ()(const Data &receiver, const Data &learn_id) {
// discared receiver for now
(void) receiver;
get_field("intrinsic_metadata.learn_id").set(learn_id.get_uint());
}
};
REGISTER_PRIMITIVE(generate_digest);