shared-memory/main/main.cpp

#include <cstdlib>
#include <signal.h>
#include "../src/SharedMemory.h"
#include <sys/shm.h>
#include <iostream>
#include "vkvm.hpp"


int main(int argc, char** argv) {
    vkvm::initialize(0);
    initSharedMemory();
    struct sigaction sigIntHandler;
    sigIntHandler.sa_handler = deleteSharedMemory;
    sigemptyset(&sigIntHandler.sa_mask);
    sigIntHandler.sa_flags = 0;
    sigaction(SIGINT, &sigIntHandler, nullptr);
    vkvm::setDefaultValues();
    std::atexit(deleteSharedMemory);
    std::string eingabe;

    while(eingabe != "exit") {
        std::cout << "cmd#  ";
        std::cin >>  eingabe;
       //if verschieden information ausgaben
       if(eingabe == "info")
       {
           std::cout << "OUTPUT ------------------------ OUTPUT\n" << std::endl;
           std::cout << "memory ID: " << shmget(vkvm::impl.sharedMemoryKey, 0, 0) << std::endl;
           std::cout << "Max memory Size: " << Max_Memory_Size << std::endl;
           std::cout << "OUTPUT ------------------------ OUTPUT\n" << std::endl;
           //Memory that is used now
           //outprint of all memory
       } else if(eingabe == "write") {
            std::cout << "text: ";
            std::cin >>  eingabe;
            vkvm::setText(eingabe);
            //write a bitMap for example 2 (width) * 2 (high) * 3 (color) in Schared Memory
            /*
            char bitMap[12] = {0};
            for(int i = 0; i < sizeof(bitMap); i++)
                bitMap[i] = 'y';
            writeSharedMemory(bitMap, sizeof(bitMap),1);
             */
        } else if(eingabe == "read") {
            auto str = vkvm::getText();
            std::cout << str << std::endl;
            /*
            char content[12] = {0};
            std::cout << "key "<< impl.sharedMemoryKey << std::endl;
            getSharedMemory(content, sizeof(content), 1);

            std::cout << content << std::endl;
            */
        }  else if (eingabe != "exit"){
           std::cout << eingabe << " <- is not a known command" << std::endl;
       }
    }
    return 0;
}