OpENer_rtt_port/networkhandler.c

/*******************************************************************************
 * Copyright (c) 2009, Rockwell Automation, Inc.
 * All rights reserved.
 *
 ******************************************************************************/

#include "networkhandler.h"

#include <fcntl.h>
#include "opener_error.h"
#include "trace.h"
#include "encap.h"
#include "opener_user_conf.h"

MilliSeconds GetMilliSeconds(void) {
  return rt_tick_get_millisecond();
}

EipStatus NetworkHandlerInitializePlatform(void) {
  /* Add platform dependent code here if necessary */
  return kEipStatusOk;
}

void ShutdownSocketPlatform(int socket_handle) {
  if (0 != shutdown(socket_handle, SHUT_RDWR)) {
    int error_code = GetSocketErrorNumber();
    char *error_message = GetErrorMessage(error_code);
    OPENER_TRACE_ERR("Failed shutdown() socket %d - Error Code: %d - %s\n",
                     socket_handle,
                     error_code,
                     error_message);
    FreeErrorMessage(error_message);
  }
}

void CloseSocketPlatform(int socket_handle) {
  closesocket(socket_handle);
}

int SetSocketToNonBlocking(int socket_handle) {
  return fcntl(socket_handle, F_SETFL, fcntl(socket_handle,
                                             F_GETFL,
                                             0) | O_NONBLOCK);
}

int SetQosOnSocket(const int socket,
                   CipUsint qos_value) {
  /* Quote from Vol. 2, Section 5-7.4.2 DSCP Value Attributes:
   *  Note that the DSCP value, if placed directly in the ToS field
   *  in the IP header, must be shifted left 2 bits. */
  int set_tos = qos_value << 2;
  return setsockopt(socket, IPPROTO_IP, IP_TOS, &set_tos, sizeof(set_tos));
}