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// Copyright (C) 2014-2017 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef VSOMEIP_ENABLE_SIGNAL_HANDLING
#include <csignal>
#endif
#include <chrono>
#include <condition_variable>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <thread>
#include <vsomeip/vsomeip.hpp>
#include "sample-ids.hpp"
class client_sample {
public:
client_sample(bool _use_tcp, bool _be_quiet, uint32_t _cycle)
: app_(vsomeip::runtime::get()->create_application()),
request_(vsomeip::runtime::get()->create_request(_use_tcp)),
use_tcp_(_use_tcp),
be_quiet_(_be_quiet),
cycle_(_cycle),
running_(true),
blocked_(false),
is_available_(false),
sender_(std::bind(&client_sample::run, this)) {
}
bool init() {
if (!app_->init()) {
std::cerr << "Couldn't initialize application" << std::endl;
return false;
}
std::cout << "Client settings [protocol="
<< (use_tcp_ ? "TCP" : "UDP")
<< ":quiet="
<< (be_quiet_ ? "true" : "false")
<< ":cycle="
<< cycle_
<< "]"
<< std::endl;
app_->register_state_handler(
std::bind(
&client_sample::on_state,
this,
std::placeholders::_1));
app_->register_message_handler(
vsomeip::ANY_SERVICE, SAMPLE_INSTANCE_ID, vsomeip::ANY_METHOD,
std::bind(&client_sample::on_message,
this,
std::placeholders::_1));
request_->set_service(SAMPLE_SERVICE_ID);
request_->set_instance(SAMPLE_INSTANCE_ID);
request_->set_method(SAMPLE_METHOD_ID);
std::shared_ptr< vsomeip::payload > its_payload = vsomeip::runtime::get()->create_payload();
std::vector< vsomeip::byte_t > its_payload_data;
for (std::size_t i = 0; i < 10; ++i)
its_payload_data.push_back(vsomeip::byte_t(i % 256));
its_payload->set_data(its_payload_data);
request_->set_payload(its_payload);
app_->register_availability_handler(SAMPLE_SERVICE_ID, SAMPLE_INSTANCE_ID,
std::bind(&client_sample::on_availability,
this,
std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
app_->register_availability_handler(SAMPLE_SERVICE_ID + 1, SAMPLE_INSTANCE_ID,
std::bind(&client_sample::on_availability,
this,
std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
return true;
}
void start() {
app_->start();
}
#ifndef VSOMEIP_ENABLE_SIGNAL_HANDLING
/*
* Handle signal to shutdown
*/
void stop() {
running_ = false;
blocked_ = true;
app_->clear_all_handler();
app_->release_service(SAMPLE_SERVICE_ID, SAMPLE_INSTANCE_ID);
condition_.notify_one();
sender_.join();
app_->stop();
}
#endif
void on_state(vsomeip::state_type_e _state) {
if (_state == vsomeip::state_type_e::ST_REGISTERED) {
app_->request_service(SAMPLE_SERVICE_ID, SAMPLE_INSTANCE_ID);
}
}
void on_availability(vsomeip::service_t _service, vsomeip::instance_t _instance, bool _is_available) {
std::cout << "Service ["
<< std::setw(4) << std::setfill('0') << std::hex << _service << "." << _instance
<< "] is "
<< (_is_available ? "available." : "NOT available.")
<< std::endl;
if (SAMPLE_SERVICE_ID == _service && SAMPLE_INSTANCE_ID == _instance) {
if (is_available_ && !_is_available) {
is_available_ = false;
} else if (_is_available && !is_available_) {
is_available_ = true;
send();
}
}
}
void on_message(const std::shared_ptr< vsomeip::message > &_response) {
std::cout << "Received a response from Service ["
<< std::setw(4) << std::setfill('0') << std::hex << _response->get_service()
<< "."
<< std::setw(4) << std::setfill('0') << std::hex << _response->get_instance()
<< "] to Client/Session ["
<< std::setw(4) << std::setfill('0') << std::hex << _response->get_client()
<< "/"
<< std::setw(4) << std::setfill('0') << std::hex << _response->get_session()
<< "]"
<< std::endl;
if (is_available_)
send();
}
void send() {
if (!be_quiet_)
{
std::lock_guard< std::mutex > its_lock(mutex_);
blocked_ = true;
condition_.notify_one();
}
}
void run() {
while (running_) {
{
std::unique_lock<std::mutex> its_lock(mutex_);
while (!blocked_) condition_.wait(its_lock);
if (is_available_) {
app_->send(request_);
std::cout << "Client/Session ["
<< std::setw(4) << std::setfill('0') << std::hex << request_->get_client()
<< "/"
<< std::setw(4) << std::setfill('0') << std::hex << request_->get_session()
<< "] sent a request to Service ["
<< std::setw(4) << std::setfill('0') << std::hex << request_->get_service()
<< "."
<< std::setw(4) << std::setfill('0') << std::hex << request_->get_instance()
<< "]"
<< std::endl;
blocked_ = false;
}
}
std::this_thread::sleep_for(std::chrono::milliseconds(cycle_));
}
}
private:
std::shared_ptr< vsomeip::application > app_;
std::shared_ptr< vsomeip::message > request_;
bool use_tcp_;
bool be_quiet_;
uint32_t cycle_;
std::mutex mutex_;
std::condition_variable condition_;
bool running_;
bool blocked_;
bool is_available_;
std::thread sender_;
};
#ifndef VSOMEIP_ENABLE_SIGNAL_HANDLING
client_sample *its_sample_ptr(nullptr);
void handle_signal(int _signal) {
if (its_sample_ptr != nullptr &&
(_signal == SIGINT || _signal == SIGTERM))
its_sample_ptr->stop();
}
#endif
int main(int argc, char **argv) {
bool use_tcp = false;
bool be_quiet = false;
uint32_t cycle = 1000; // Default: 1s
std::string tcp_enable("--tcp");
std::string udp_enable("--udp");
std::string quiet_enable("--quiet");
std::string cycle_arg("--cycle");
int i = 1;
while (i < argc) {
if (tcp_enable == argv[i]) {
use_tcp = true;
} else if (udp_enable == argv[i]) {
use_tcp = false;
} else if (quiet_enable == argv[i]) {
be_quiet = true;
} else if (cycle_arg == argv[i] && i+1 < argc) {
i++;
std::stringstream converter;
converter << argv[i];
converter >> cycle;
}
i++;
}
client_sample its_sample(use_tcp, be_quiet, cycle);
#ifndef VSOMEIP_ENABLE_SIGNAL_HANDLING
its_sample_ptr = &its_sample;
signal(SIGINT, handle_signal);
signal(SIGTERM, handle_signal);
#endif
if (its_sample.init()) {
its_sample.start();
return 0;
} else {
return 1;
}
}
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