#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>

#define PORT 8081
#define SERVER_IP "127.0.0.1"
#define BUFFER_SIZE 4096
#define TARGET_MB 100

int main() {
    int sock = 0;
    struct sockaddr_in serv_addr;
    char buffer[BUFFER_SIZE];
    memset(buffer, 'A', BUFFER_SIZE); // Dummy data

    if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
        printf("\n Socket creation error \n");
        return -1;
    }

    serv_addr.sin_family = AF_INET;
    serv_addr.sin_port = htons(PORT);

    if (inet_pton(AF_INET, SERVER_IP, &serv_addr.sin_addr) <= 0) {
        printf("\nInvalid address/ Address not supported \n");
        return -1;
    }

    if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
        printf("\nConnection Failed \n");
        return -1;
    }

    printf("Sending %d MB of data...\n", TARGET_MB);

    long long bytes_to_send = TARGET_MB * 1024 * 1024;
    long long bytes_sent = 0;

    while (bytes_sent < bytes_to_send) {
        int to_send = (bytes_to_send - bytes_sent > BUFFER_SIZE) ? BUFFER_SIZE : (bytes_to_send - bytes_sent);
        send(sock, buffer, to_send, 0);
        bytes_sent += to_send;
    }

    printf("Data sent.\n");
    close(sock);

    return 0;
}