text: #pragma once
  
  #include <sys/socket.h>
  #include "libev/ev.h"
  #include "encrypt.h"
  
  #define BUF_SIZE 1500
  
  struct listen_ctx {
      ev_io io;
  	int fd;
      struct sockaddr sock;
  };
  
  struct server {
  	int fd;
  	char buf[BUF_SIZE + EVP_MAX_IV_LENGTH + EVP_MAX_BLOCK_LENGTH]; // server send from, remote recv into
      char stage;
  	size_t buf_len;
  	struct server_ctx *recv_ctx;
  	struct server_ctx *send_ctx;
  	struct remote *remote;
  };
  struct server_ctx {
  	ev_io io;
  	int connected;
  	struct server *server;
  };
  struct remote {
  	int fd;
  	char buf[BUF_SIZE + EVP_MAX_IV_LENGTH + EVP_MAX_BLOCK_LENGTH]; // remote send from, server recv into
  	size_t buf_len;
  	struct remote_ctx *recv_ctx;
  	struct remote_ctx *send_ctx;
  	struct server *server;
      struct encryption_ctx recv_encryption_ctx;
      struct encryption_ctx send_encryption_ctx;
  };
  struct remote_ctx {
  	ev_io io;
  	int connected;
  	struct remote *remote;
  };
  
  
  static void accept_cb (EV_P_ ev_io *w, int revents);
  static void server_recv_cb (EV_P_ ev_io *w, int revents);
  static void server_send_cb (EV_P_ ev_io *w, int revents);
  static void remote_recv_cb (EV_P_ ev_io *w, int revents);
  static void remote_send_cb (EV_P_ ev_io *w, int revents);
  struct remote* new_remote(int fd);
  void free_remote(struct remote *remote);
  void close_and_free_remote(EV_P_ struct remote *remote);
  struct server* new_server(int fd);
  void free_server(struct server *server);
  void close_and_free_server(EV_P_ struct server *server);
  void set_config(const char *server, const char *remote_port, const char* password, const char* method);
  int local_main();
  
  