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/*
* Copyright (c) 2021 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 <gtest/gtest.h>
#include <hicn/transport/interfaces/socket_consumer.h>
#include <hicn/transport/interfaces/socket_options_keys.h>
#include <hicn/transport/interfaces/socket_producer.h>
#include <hicn/transport/interfaces/global_conf_interface.h>
#include <asio/io_service.hpp>
#include <asio/steady_timer.hpp>
#include <fec/rs.h>
namespace transport {
namespace interface {
namespace {
class ConsumerProducerTest : public ::testing::Test,
public ConsumerSocket::ReadCallback {
static const constexpr char prefix[] = "b001::1/128";
static const constexpr char name[] = "b001::1";
static const constexpr double prod_rate = 1.0e6;
static const constexpr size_t payload_size = 1200;
static constexpr std::size_t receive_buffer_size = 1500;
static const constexpr double prod_interval_microseconds =
double(payload_size) * 8 * 1e6 / prod_rate;
public:
ConsumerProducerTest()
: io_service_(),
rtc_timer_(io_service_),
consumer_(TransportProtocolAlgorithms::RTC, io_service_),
producer_(ProductionProtocolAlgorithms::RTC_PROD, io_service_),
producer_prefix_(prefix),
consumer_name_(name),
packets_sent_(0),
packets_received_(0) {
global_config::IoModuleConfiguration config;
config.name = "loopback_module";
config.set();
}
virtual ~ConsumerProducerTest() {
// You can do clean-up work that doesn't throw exceptions here.
}
// If the constructor and destructor are not enough for setting up
// and cleaning up each test, you can define the following methods:
virtual void SetUp() override {
// Code here will be called immediately after the constructor (right
// before each test).
auto ret = consumer_.setSocketOption(
ConsumerCallbacksOptions::READ_CALLBACK, this);
ASSERT_EQ(ret, SOCKET_OPTION_SET);
consumer_.connect();
producer_.registerPrefix(producer_prefix_);
producer_.connect();
}
virtual void TearDown() override {
// Code here will be called immediately after each test (right
// before the destructor).
}
void setTimer() {
using namespace std::chrono;
rtc_timer_.expires_from_now(
microseconds(unsigned(prod_interval_microseconds)));
rtc_timer_.async_wait(std::bind(&ConsumerProducerTest::produceRTCPacket,
this, std::placeholders::_1));
}
void produceRTCPacket(const std::error_code &ec) {
if (ec) {
FAIL() << "Failed to schedule packet production";
io_service_.stop();
}
producer_.produceDatagram(consumer_name_, payload_, payload_size);
packets_sent_++;
setTimer();
}
// Consumer callback
bool isBufferMovable() noexcept override { return false; }
void getReadBuffer(uint8_t **application_buffer,
size_t *max_length) override {
*application_buffer = receive_buffer_;
*max_length = receive_buffer_size;
}
void readDataAvailable(std::size_t length) noexcept override {}
size_t maxBufferSize() const override { return receive_buffer_size; }
void readError(const std::error_code ec) noexcept override {
FAIL() << "Error while reading from RTC socket";
io_service_.stop();
}
void readSuccess(std::size_t total_size) noexcept override {
packets_received_++;
}
asio::io_service io_service_;
asio::steady_timer rtc_timer_;
ConsumerSocket consumer_;
ProducerSocket producer_;
core::Prefix producer_prefix_;
core::Name consumer_name_;
uint8_t payload_[payload_size];
uint8_t receive_buffer_[payload_size];
uint64_t packets_sent_;
uint64_t packets_received_;
};
const char ConsumerProducerTest::prefix[];
const char ConsumerProducerTest::name[];
} // namespace
TEST_F(ConsumerProducerTest, EndToEnd) {
produceRTCPacket(std::error_code());
consumer_.consume(consumer_name_);
io_service_.run();
}
} // namespace interface
} // namespace transport
int main(int argc, char **argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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