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 {
00038 
00039 }
00040 
00041 SubscriberLink::~SubscriberLink()
00042 {
00043 
00044 }
00045 
00046 bool SubscriberLink::verifyDatatype(const std::string &datatype)
00047 {
00048   PublicationPtr parent = parent_.lock();
00049   if (!parent)
00050   {
00051     ROS_ERROR("Trying to verify the datatype on a publisher without a parent");
00052     ROS_BREAK();
00053 
00054     return false;
00055   }
00056 
00057   if (datatype != parent->getDataType())
00058   {
00059     ROS_ERROR( "tried to send a message with type %s on a " \
00060                        "TransportSubscriberLink that has datatype %s",
00061                 datatype.c_str(), parent->getDataType().c_str());
00062     return false; // todo: figure out a way to log this error
00063   }
00064 
00065   return true;
00066 }
00067 
00068 const std::string& SubscriberLink::getMD5Sum()
00069 {
00070   PublicationPtr parent = parent_.lock();
00071   return parent->getMD5Sum();
00072 }
00073 
00074 const std::string& SubscriberLink::getDataType()
00075 {
00076   PublicationPtr parent = parent_.lock();
00077   return parent->getDataType();
00078 }
00079 
00080 const std::string& SubscriberLink::getMessageDefinition()
00081 {
00082   PublicationPtr parent = parent_.lock();
00083   return parent->getMessageDefinition();
00084 }
00085 
00086 } // namespace ros


roscpp
Author(s): Morgan Quigley, Josh Faust, Brian Gerkey, Troy Straszheim
autogenerated on Fri Aug 28 2015 12:33:11