text: /****************************************************************************
   *
   * Copyright 2016 Samsung Electronics All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied. See the License for the specific
   * language governing permissions and limitations under the License.
   *
   ****************************************************************************/
  
  /****************************************************************************
   * net/socket/recvmsg.c
   *
   *   Copyright (C) 2007, 2008, 2012 Gregory Nutt. All rights reserved.
   *   Author: Gregory Nutt <gnutt@nuttx.org>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   * 3. Neither the name NuttX nor the names of its contributors may be
   *    used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
   * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
   * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   ****************************************************************************/
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <tinyara/config.h>
  #ifdef CONFIG_NET
  #ifdef CONFIG_ENABLE_IOTIVITY
  
  #include <sys/types.h>
  #include <sys/socket.h>
  #include <errno.h>
  #include <uio.h>
  
  #include "socket/socket.h"
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Function: recvmsg
   *
   * Description:
   *   The recvmsg() call is identical to recvfrom() with a NULL from parameter.
   *
   * Parameters:
   *   sockfd   Socket descriptor of socket
   *   buf      Buffer to receive data
   *   len      Length of buffer
   *   flags    Receive flags
   *
   * Returned Value:
   *  (see recvfrom)
   *
   * Assumptions:
   *
   ****************************************************************************/
  
  ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags)
  {
  	uint8_t *buf = (uint8_t *)(msg->msg_iov->iov_base);
  	size_t len = msg->msg_iov->iov_len;
  	struct sockaddr *from = (struct sockaddr *)msg->msg_name;
  	int *addrlen = &(msg->msg_namelen);
  
  	printf("\n[Received IOTIVITY Packet][%s:%d] \n", __FUNCTION__, __LINE__);
  
  	return recvfrom(sockfd, buf, len, flags, from, (socklen_t *) addrlen);
  }
  #endif							/* CONFIG_ENABLE_IOTIVITY */
  #endif							/* CONFIG_NET */
  