shared-memory/main/main.cpp

#include <cstdlib>
#include <signal.h>
#include "../src/SharedMemory.h"
#include <sys/shm.h>
#include <iostream>
#include <cstring>
#include <SharedMemoryAccess.h>


int main(int argc, char** argv)
{
    initSharedMemory();
    struct sigaction sigIntHandler;
    sigIntHandler.sa_handler = deleteSharedMemory;
    sigemptyset(&sigIntHandler.sa_mask);
    sigIntHandler.sa_flags = 0;
    sigaction(SIGINT, &sigIntHandler, NULL);

    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(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
        }

        //Test for write and read
        if(eingabe == "write") {
            //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);
        }

        if(eingabe == "read") {
            char content[12] = {0};
            std::cout << "key "<< impl.sharedMemoryKey << std::endl;
            getSharedMemory(content, sizeof(content), 1);

            std::cout << content << std::endl;
        }
    }
    return 0;
}