add network and device structure

.gitignore

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+.vscode/
+build/

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+project(network_simulator)
+
+add_subdirectory(src)

README.md

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+# Network Simulator

include/Device.hpp

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+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <memory>
+
+class Device {
+public:
+    friend std::ostream& operator<<(std::ostream& os, const Device& device);
+
+public:
+    Device(const std::string& macAddress);
+    static std::shared_ptr<Device> create(const std::string& macAddress);
+
+private:
+    void parseAndSetMac(const std::string& macAddress);
+
+private:
+    uint8_t macAddress[6];
+};

include/Netsim.hpp

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+#pragma once
+
+#include "Network.hpp"
+#include "Device.hpp"

include/Network.hpp

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+#pragma once
+
+#include <vector>
+#include <memory>
+#include <string>
+
+#include "Device.hpp"
+
+class Network {
+public:
+    friend std::ostream& operator<<(std::ostream& os, const Network& network);
+
+public:
+    Network(const std::string& name);
+
+    void addDevice(std::shared_ptr<Device> device);
+
+private:
+    std::vector<std::shared_ptr<Device>> devices;
+    std::string name;
+};

src/CMakeLists.txt

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+add_executable(netsim 
+    "main.cpp"
+    "Device.cpp"
+    "Network.cpp"
+)
+
+target_include_directories(netsim PRIVATE
+    ${CMAKE_SOURCE_DIR}/include
+)

src/Device.cpp

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+#include "Device.hpp"
+
+#include <sstream>
+#include <iostream>
+
+Device::Device(const std::string& macAddress) {
+    parseAndSetMac(macAddress);
+}
+
+std::shared_ptr<Device> Device::create(const std::string& macAddress) {
+    return std::make_shared<Device>(macAddress);
+}
+
+void Device::parseAndSetMac(const std::string& mac) {
+    sscanf(
+        mac.c_str(),
+        "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
+        &(macAddress[0]),
+        &(macAddress[1]),
+        &(macAddress[2]),
+        &(macAddress[3]),
+        &(macAddress[4]),
+        &(macAddress[5])
+    );
+}
+
+std::ostream& operator<<(std::ostream& os, const Device& device) {
+    printf(
+        "%02X:%02X:%02X:%02X:%02X:%02X",
+        device.macAddress[0],
+        device.macAddress[1],
+        device.macAddress[2],
+        device.macAddress[3],
+        device.macAddress[4],
+        device.macAddress[5]
+    );
+
+    return os;
+}

src/Network.cpp

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+#include "Network.hpp"
+
+#include <iostream>
+
+Network::Network(const std::string& name) :
+    name(name)
+{
+}
+
+void Network::addDevice(std::shared_ptr<Device> device) {
+    devices.push_back(device);
+}
+
+std::ostream& operator<<(std::ostream& os, const Network& network) {
+    os << "Network '" << network.name << "'" << std::endl << std::endl;
+
+    os << "Devices:" << std::endl;
+    for (const auto& dev : network.devices) {
+        os << "\t" << *dev << std::endl;
+    }
+
+    return os;
+}

src/main.cpp

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+#include <iostream>
+
+#include "Netsim.hpp"
+
+int main(int argc, char** argv) {
+    Network network("Testnet");
+
+    network.addDevice(Device::create("FA:56:A7:12:04:ED"));
+    network.addDevice(Device::create("87:1A:B5:77:3D:33"));
+
+    std::cout << network << std::endl;
+
+    return 0;
+}