subscriber_link.cpp
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00001 /*
00002  * Copyright (C) 2008, Morgan Quigley and Willow Garage, Inc.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *   * Redistributions of source code must retain the above copyright notice,
00007  *     this list of conditions and the following disclaimer.
00008  *   * Redistributions in binary form must reproduce the above copyright
00009  *     notice, this list of conditions and the following disclaimer in the
00010  *     documentation and/or other materials provided with the distribution.
00011  *   * Neither the names of Stanford University or Willow Garage, Inc. nor the names of its
00012  *     contributors may be used to endorse or promote products derived from
00013  *     this software without specific prior written permission.
00014  *
00015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00025  * POSSIBILITY OF SUCH DAMAGE.
00026  */
00027 
00028 #include "ros/subscriber_link.h"
00029 #include "ros/publication.h"
00030 
00031 #include <boost/bind.hpp>
00032 
00033 namespace ros
00034 {
00035 
00036 SubscriberLink::SubscriberLink()
00037   : connection_id_(0)
00038 {
00039 
00040 }
00041 
00042 SubscriberLink::~SubscriberLink()
00043 {
00044 
00045 }
00046 
00047 bool SubscriberLink::verifyDatatype(const std::string &datatype)
00048 {
00049   PublicationPtr parent = parent_.lock();
00050   if (!parent)
00051   {
00052     ROS_ERROR("Trying to verify the datatype on a publisher without a parent");
00053     ROS_BREAK();
00054 
00055     return false;
00056   }
00057 
00058   if (datatype != parent->getDataType())
00059   {
00060     ROS_ERROR( "tried to send a message with type %s on a " \
00061                        "TransportSubscriberLink that has datatype %s",
00062                 datatype.c_str(), parent->getDataType().c_str());
00063     return false; // todo: figure out a way to log this error
00064   }
00065 
00066   return true;
00067 }
00068 
00069 const std::string& SubscriberLink::getMD5Sum()
00070 {
00071   PublicationPtr parent = parent_.lock();
00072   return parent->getMD5Sum();
00073 }
00074 
00075 const std::string& SubscriberLink::getDataType()
00076 {
00077   PublicationPtr parent = parent_.lock();
00078   return parent->getDataType();
00079 }
00080 
00081 const std::string& SubscriberLink::getMessageDefinition()
00082 {
00083   PublicationPtr parent = parent_.lock();
00084   return parent->getMessageDefinition();
00085 }
00086 
00087 } // namespace ros


roscpp
Author(s): Morgan Quigley, Josh Faust, Brian Gerkey, Troy Straszheim
autogenerated on Tue Mar 7 2017 04:01:04