#include <sys/socket.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include "ProtobufLAMessages.pb.h"
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
using namespace google::protobuf::io;
#include "protobufLAInitiator.h"
#include "../Decryptor/Decryptor_u.h"
#include <iostream>


class LocalAttestationUntrusted {
  static   uint32_t session_id;
  static protobuf_sgx_dh_msg1_t protobuf_msg1;
  static uint8_t* output_ciphertext_plus_tag;
  static int decrypt_client_data(uint32_t own_enclave_id, int apache_fd, uint8_t* output_ciphertext_plus_tag, uint8_t* input_ciphertext_plus_tag, int time_fd);
  static uint32_t local_attestation_msg2_msg3(uint32_t own_enclave_id, int accept_fd);

  static int write_protobuf_msg_to_fd(int accept_fd, google::protobuf::MessageLite& message);
  static int read_protobuf_msg_from_fd(int accept_fd, google::protobuf::MessageLite& message);
  static int set_up_socket(int port,   sockaddr_in* address);
public:
  static int setup_socket_for_local_attestation_requests(int port);
  static int prepare_local_attestation_as_responder_msg1(uint32_t own_enclave_id);
  static int local_attestation_as_responder_msg2_msg3(uint32_t own_enclave_id, int server_fd, int * accept_fd);
  static int post_local_attestation_with_verifier(uint32_t own_enclave_id, int apache_fd);
  static int post_local_attestation_with_apache(uint32_t own_enclave_id, int apache_fd);
};