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 #ifndef ROSCPP_PUBLISHER_LINK_H 00029 #define ROSCPP_PUBLISHER_LINK_H 00030 00031 #include "ros/common.h" 00032 #include "ros/transport_hints.h" 00033 #include "ros/header.h" 00034 00035 #include <boost/thread/mutex.hpp> 00036 #include <boost/shared_array.hpp> 00037 #include <boost/weak_ptr.hpp> 00038 #include <boost/enable_shared_from_this.hpp> 00039 00040 #include <queue> 00041 00042 namespace ros 00043 { 00044 class Header; 00045 class Message; 00046 class Subscription; 00047 typedef boost::shared_ptr<Subscription> SubscriptionPtr; 00048 typedef boost::weak_ptr<Subscription> SubscriptionWPtr; 00049 class Connection; 00050 typedef boost::shared_ptr<Connection> ConnectionPtr; 00051 00056 class PublisherLink : public boost::enable_shared_from_this<PublisherLink> 00057 { 00058 public: 00059 class Stats 00060 { 00061 public: 00062 uint64_t bytes_received_, messages_received_, drops_; 00063 Stats() 00064 : bytes_received_(0), messages_received_(0), drops_(0) { } 00065 }; 00066 00067 00068 PublisherLink(const SubscriptionPtr& parent, const std::string& xmlrpc_uri, const TransportHints& transport_hints); 00069 virtual ~PublisherLink(); 00070 00071 const Stats &getStats() { return stats_; } 00072 const std::string& getPublisherXMLRPCURI(); 00073 int getConnectionID() const { return connection_id_; } 00074 const std::string& getCallerID() { return caller_id_; } 00075 bool isLatched() { return latched_; } 00076 00077 bool setHeader(const Header& header); 00078 00082 virtual void handleMessage(const SerializedMessage& m, bool ser, bool nocopy) = 0; 00083 virtual std::string getTransportType() = 0; 00084 virtual void drop() = 0; 00085 00086 const std::string& getMD5Sum(); 00087 00088 protected: 00089 SubscriptionWPtr parent_; 00090 unsigned int connection_id_; 00091 std::string publisher_xmlrpc_uri_; 00092 00093 Stats stats_; 00094 00095 TransportHints transport_hints_; 00096 00097 bool latched_; 00098 std::string caller_id_; 00099 Header header_; 00100 std::string md5sum_; 00101 }; 00102 00103 } // namespace ros 00104 00105 #endif // ROSCPP_PUBLISHER_LINK_H 00106 00107 00108