simworld/client/src/main.c

// main.c

#include <stdio.h>
#include <unistd.h>
#include <sys/socket.h>

#include <error.h>
#include <request.h>
#include <world.h>

#include "render/render.h"
#include "sock.h"

int main(void) {
    enum error_t err = ERR_OK;

    int sock;
    err = sock_init(&sock);
    if (err) goto error;

    char input_buffer[8192] = { 0 };
    char output_buffer[8192] = { 0 };

    // Send request for world data to server
    struct request_body_get_world_data_t request_body = { 420 };
    struct request_t request = { REQUEST_GET_WORLD_DATA, &request_body };

    err = request_serialise_buf(&request, output_buffer, 8192);
    if (err != ERR_OK) goto error_socket;

    write(sock, output_buffer, 8192);

    // Get response from server
    read(sock, input_buffer, 8192);

    struct response_t response = { 0 };
    err = response_deserialise_str(&response, input_buffer);
    if (err != ERR_OK) goto error_socket;

    // Render data
    if (response.success != true) {
        err = ERR_REQUEST_FAILED;
        goto error_socket;
    }

    struct response_body_get_world_data_t *response_body = response.body;
    render_world(&response_body->world);

    close(sock);
    return ERR_OK;

error_socket:
    close(sock);

error:
    printf("CLIENT ERROR: %s\n", ERROR_STRS[err]);
    return err;
}