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InPullConnector.cpp
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1 /* ============================================================
2  *
3  * This file is part of the RSB project
4  *
5  * Copyright (C) 2011, 2012 Jan Moringen <jmoringe@techfak.uni-bielefeld.de>
6  *
7  * This file may be licensed under the terms of the
8  * GNU Lesser General Public License Version 3 (the ``LGPL''),
9  * or (at your option) any later version.
10  *
11  * Software distributed under the License is distributed
12  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
13  * express or implied. See the LGPL for the specific language
14  * governing rights and limitations.
15  *
16  * You should have received a copy of the LGPL along with this
17  * program. If not, go to http://www.gnu.org/licenses/lgpl.html
18  * or write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  * The development of this software was supported by:
22  * CoR-Lab, Research Institute for Cognition and Robotics
23  * Bielefeld University
24  *
25  * ============================================================ */
26 
27 #include "InPullConnector.h"
28 
29 #include "Bus.h"
30 #include "../../MetaData.h"
31 
32 using namespace std;
33 
34 using namespace rsc::logging;
35 using namespace rsc::runtime;
36 using namespace rsc::threading;
37 
38 namespace rsb {
39 namespace transport{
40 namespace inprocess {
41 
42 InPullConnector::InPullConnector() :
43  logger(Logger::getLogger("rsb.transport.inprocess.InPullConnector")) {
44 }
45 
46 transport::InPullConnector* InPullConnector::create(const Properties& args) {
47  return new InPullConnector();
48 }
49 
51 }
52 
54 }
55 
57 
61  if (event->getMetaData().getReceiveTime() == 0) {
62  event->mutableMetaData().setReceiveTime();
63  }
64 
65  this->queue.push(event);
66 }
67 
69  if (block) {
70  return this->queue.pop();
71  } else {
72  try {
73  return this->queue.tryPop();
74  } catch (const QueueEmptyException&) {
75  return EventPtr();
76  }
77  }
78 }
79 
80 }
81 }
82 }
Specification of desired quality of service settings for sending and receiving events.
void handle(EventPtr event)
Handle event.
static rsb::transport::InPullConnector * create(const rsc::runtime::Properties &args)
Objects of classes which implement this specialized InConnector interface provide the ability to rece...
boost::shared_ptr< Event > EventPtr
Definition: Event.h:251
void setQualityOfServiceSpecs(const QualityOfServiceSpec &specs)
Requests new QoS settings for publishing events.
rsc::threading::SynchronizedQueue< EventPtr > queue