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/*
* Copyright (c) 2022 Cisco and/or its affiliates.
* 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.
*/
#include <hicn/transport/core/prefix.h>
#include <hicn/transport/utils/traffic_generator.h>
#include <iostream>
namespace transport {
/* TrafficGenerator */
TrafficGenerator::TrafficGenerator(uint32_t count) : count_(count), sent_(0) {}
bool TrafficGenerator::hasFinished() { return sent_ >= count_; }
uint32_t TrafficGenerator::getSentCount() { return sent_; }
std::pair<std::string, uint32_t> TrafficGenerator::getPrefixAndSuffix() {
return std::make_pair(getPrefix(), getSuffix());
}
void TrafficGenerator::reset() { sent_ = 0; };
void TrafficGenerator::onSuffixGenerated() {
if (hasFinished()) throw std::runtime_error("Too many pings");
sent_++;
};
/* IncrSuffixTrafficGenerator */
IncrSuffixTrafficGenerator::IncrSuffixTrafficGenerator(std::string prefix,
uint32_t suffix,
uint32_t count)
: TrafficGenerator(count),
prefix_(prefix),
suffix_(suffix),
initial_suffix_(suffix) {}
std::string IncrSuffixTrafficGenerator::getPrefix() { return prefix_; }
uint32_t IncrSuffixTrafficGenerator::getSuffix() {
TrafficGenerator::onSuffixGenerated();
return suffix_++;
}
void IncrSuffixTrafficGenerator::reset() {
TrafficGenerator::reset();
suffix_ = initial_suffix_;
};
/* RandomTrafficGenerator */
RandomTrafficGenerator::RandomTrafficGenerator(uint32_t count,
std::string net_prefix)
: TrafficGenerator(count),
net_prefix_(net_prefix),
rand_engine_((std::random_device())()),
uniform_distribution_(0, std::numeric_limits<uint32_t>::max()) {}
std::string RandomTrafficGenerator::getPrefix() {
// Generate random prefix
core::Prefix prefix(net_prefix_);
core::Name name = prefix.makeRandomName();
return name.getPrefix();
}
uint32_t RandomTrafficGenerator::getSuffix() {
TrafficGenerator::onSuffixGenerated();
// Generate random suffix
return uniform_distribution_(rand_engine_);
}
} // namespace transport
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