Test to load a file asynchronously with emscripten

test_async_wget2.cpp

#include <emscripten/emscripten.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>

int pending_count = 0;

void onload(unsigned handle, void* arg, void* data, unsigned length) {
  const char *text = (const char*)data;
  printf("RECEIVED:\n[%s]\n[%i]\n", text, length);

  pending_count--;
}

void onerror(unsigned handle, void* arg, int status, const char* status_text) {
  printf("ERROR: [%i][%s]\n", status, status_text);

  pending_count--;
}

void onprogress(unsigned handle, void* arg, int loaded, int total) {
  printf("PROGRESS: %i/%i\n", loaded, total);
}

void create_request(const char* target, const char* method) {
  emscripten_async_wget2_data(target, method, "", NULL, true, onload, onerror, onprogress);
};

void wait() {
  if (pending_count <= 0) {
    emscripten_cancel_main_loop();
  } else {
    printf("Not ready (%i requests pending)\n", pending_count);
  }
}

int main() {
  create_request("test_other.py", "GET");
  emscripten_set_main_loop(wait, 0, 0);
}