#include <algorithm>
#include <arpa/inet.h>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <netinet/in.h>
#include <sys/socket.h>
#include <csignal>
#include <iostream>
#include <iomanip>
#include <tuple>
#include <unistd.h>


int makeSocket() {
    int sockfd;
    if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
        perror("socket failed");
        exit(EXIT_FAILURE);
    }
    return sockfd;
}

void connectTo(int sock, const char* host, int port) {
    struct sockaddr_in serv_addr;
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_addr.s_addr = inet_addr(host);
    serv_addr.sin_port = htons(port);

    if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
        perror("Connection failed");
        exit(EXIT_FAILURE);
    }

    printf("Connected to %s: %d\n", host, port);
}

int main(int argc, char* argv[]) {

     if (argc != 2) {
        printf("Usage: ./prov.out timeout (ms)");
        exit(EXIT_FAILURE);
    }

    int timeout = atoi(argv[1]);
    //printf("Selected timeout: %f", static_cast<double>(timeout) / 1000);

    int socket = makeSocket();
    connectTo(socket, "127.0.0.1", 7777);

    //allocating 100 megabytes of memory
    uint64_t* chunky_boy = new uint64_t[67108];
    size_t chunky_boy_size = 67108 * sizeof(uint64_t);
    printf("chonky size %d", static_cast<int>(chunky_boy_size));

    //setting memory to verify non-emptyness
    memset(chunky_boy, 45678, chunky_boy_size);

    int buffer_size = 1024 * 32;


    for ( ;;) {
        
        for ( int j = 0; j < chunky_boy_size; ) {
            
            ssize_t bytes = send(socket, reinterpret_cast<char*>(chunky_boy) + j, std::min(static_cast<int>(chunky_boy_size) - j, buffer_size), 0);
            if (timeout != 0) {
                sleep(timeout);
            }
            j += buffer_size;
        }

        //usleep(1000);

    }
    

    return 0;
}