You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

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@###############################################
@#
@# EmPy template for generating RtpsTopics.cpp file
@#
@###############################################
@# Start of Template
@#
@# Context:
@# - spec (msggen.MsgSpec) Parsed specification of the .msg file
@###############################################
@{
import genmsg.msgs
import os
from px_generate_uorb_topic_files import MsgScope # this is in Tools/
send_topics = [(alias[idx] if alias[idx] else s.short_name) for idx, s in enumerate(spec) if scope[idx] == MsgScope.SEND]
recv_topics = [(alias[idx] if alias[idx] else s.short_name) for idx, s in enumerate(spec) if scope[idx] == MsgScope.RECEIVE]
}@
/****************************************************************************
*
* Copyright 2017 Proyectos y Sistemas de Mantenimiento SL (eProsima).
* Copyright (c) 2018-2021 PX4 Development Team. All rights reserved.
*
* 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 of the copyright holder 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 HOLDER 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.
*
****************************************************************************/
#include "RtpsTopics.h"
bool RtpsTopics::init(std::condition_variable *t_send_queue_cv, std::mutex *t_send_queue_mutex,
std::queue<uint8_t> *t_send_queue, const std::string &ns)
{
@[if recv_topics]@
// Initialise subscribers
std::cout << "\033[0;36m--- Subscribers ---\033[0m" << std::endl;
@[for topic in recv_topics]@
if (_@(topic)_sub.init(@(msgs[0].index(topic) + 1), t_send_queue_cv, t_send_queue_mutex, t_send_queue, ns)) {
std::cout << "- @(topic) subscriber started" << std::endl;
} else {
std::cerr << "Failed starting @(topic) subscriber" << std::endl;
return false;
}
@[end for]@
std::cout << "\033[0;36m-----------------------\033[0m" << std::endl << std::endl;
@[end if]@
@[if send_topics]@
// Initialise publishers
std::cout << "\033[0;36m---- Publishers ----\033[0m" << std::endl;
@[for topic in send_topics]@
@[ if topic == 'Timesync' or topic == 'timesync']@
if (_@(topic)_pub.init(ns)) {
if (_@(topic)_fmu_in_pub.init(ns, std::string("fmu/timesync/in"))) {
_timesync->start(&_@(topic)_fmu_in_pub);
std::cout << "- @(topic) publishers started" << std::endl;
}
@[ elif topic == 'TimesyncStatus' or topic == 'timesync_status']@
if (_@(topic)_pub.init(ns, std::string("timesync_status"))) {
_timesync->init_status_pub(&_@(topic)_pub);
std::cout << "- @(topic) publisher started" << std::endl;
@[ else]@
if (_@(topic)_pub.init(ns)) {
std::cout << "- @(topic) publisher started" << std::endl;
@[ end if]@
} else {
std::cerr << "ERROR starting @(topic) publisher" << std::endl;
return false;
}
@[end for]@
std::cout << "\033[0;36m-----------------------\033[0m" << std::endl;
@[end if]@
return true;
}
@[if send_topics]@
template <typename T>
void RtpsTopics::sync_timestamp_of_incoming_data(T &msg) {
uint64_t timestamp = getMsgTimestamp(&msg);
uint64_t timestamp_sample = getMsgTimestampSample(&msg);
_timesync->subtractOffset(timestamp);
setMsgTimestamp(&msg, timestamp);
_timesync->subtractOffset(timestamp_sample);
setMsgTimestampSample(&msg, timestamp_sample);
}
void RtpsTopics::publish(const uint8_t topic_ID, char data_buffer[], size_t len)
{
switch (topic_ID) {
@[for topic in send_topics]@
case @(msgs[0].index(topic) + 1): { // @(topic) publisher
@(topic)_msg_t st;
eprosima::fastcdr::FastBuffer cdrbuffer(data_buffer, len);
eprosima::fastcdr::Cdr cdr_des(cdrbuffer);
st.deserialize(cdr_des);
@[ if topic == 'Timesync' or topic == 'timesync']@
_timesync->processTimesyncMsg(&st, &_@(topic)_pub);
@[ end if]@
// apply timestamp offset
sync_timestamp_of_incoming_data(st);
_@(topic)_pub.publish(&st);
}
break;
@[end for]@
default:
printf("\033[1;33m[ micrortps_agent ]\tUnexpected topic ID '%hhu' to publish. Please make sure the agent is capable of parsing the message associated to the topic ID '%hhu'\033[0m\n",
topic_ID, topic_ID);
break;
}
}
@[end if]@
@[if recv_topics]@
template <typename T>
void RtpsTopics::sync_timestamp_of_outgoing_data(T &msg) {
uint64_t timestamp = getMsgTimestamp(&msg);
uint64_t timestamp_sample = getMsgTimestampSample(&msg);
_timesync->addOffset(timestamp);
setMsgTimestamp(&msg, timestamp);
_timesync->addOffset(timestamp_sample);
setMsgTimestampSample(&msg, timestamp_sample);
}
bool RtpsTopics::getMsg(const uint8_t topic_ID, eprosima::fastcdr::Cdr &scdr)
{
bool ret = false;
switch (topic_ID) {
@[for topic in recv_topics]@
case @(msgs[0].index(topic) + 1): // @(topic) subscriber
if (_@(topic)_sub.hasMsg()) {
@(topic)_msg_t msg = _@(topic)_sub.getMsg();
// apply timestamp offset
sync_timestamp_of_outgoing_data(msg);
msg.serialize(scdr);
ret = true;
_@(topic)_sub.unlockMsg();
}
break;
@[end for]@
default:
printf("\033[1;33m[ micrortps_agent ]\tUnexpected topic ID '%hhu' to getMsg. Please make sure the agent is capable of parsing the message associated to the topic ID '%hhu'\033[0m\n",
topic_ID, topic_ID);
break;
}
return ret;
}
@[end if]@