Questions tagged [xmlrpc]
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21 questions
0 votes
1 answer
82 views
how to use XmlRpc::XmlRpcValue receive data in order
i'm using XmlRpc::XmlRpcValue to receive data from .yaml file, but it seems that the received data order is different from the order in .yaml file. here is my .yaml ...
- 5
0 votes
1 answer
50 views
How to XMLRPC Client of another node in C++
Hi! I'm trying to get the PID of another nodes running ROS in order to monitor the memory and CPU usage. To do so, I get the name of all the nodes: ...
marinamrr
0 votes
1 answer
98 views
extract double values with XmlRpc::XmlRpcValue from yaml file
Hi, I want to extract some lists with double values. Because it is a nested array, it is not readable with NodeHandle getParam? ...
zFnq9
1 vote
1 answer
309 views
rosout high memory usage
I'm running melodic on a ubuntu 18.04 container (through systemd-nspawn inside Archlinux: ...
ixil
0 votes
1 answer
49 views
[ROS Communication] Multiple sockets and ports
Hello, I would like to confirm this: Suppose that there is one publisher. Therefore, it opens a socket. There, any subscriber can connect to the same socket but on different ports, right? Let's say ...
Ariel
0 votes
1 answer
76 views
Call getPid to obtain node pid via XMLRPC in C++
I am trying to get the process IDs for all ROS nodes via the getPid ROS Slave API. I have been able to run the following: ...
timwheeler
0 votes
1 answer
51 views
XMLRPC in ROS System
According to what I read, RPC, which stands for Remote Procedure Call, is a technique used to enable different procedures in different machines or systems call each other. For example, the procedure X ...
gktg1514
0 votes
1 answer
17 views
ASSERTION FAILED robot_localization error
Hi everyone. I am trying to run the package robot_localization however when I use my launch file it gives me this error; ...
PG_GrantDare
0 votes
1 answer
22 views
Adding a package to the ROS distro with third party dependencies
Hello, I am quite new to the ROS packaging stuff so please advise me if I am heading in the wrong direction. I do want to add the ROS driver of our 3D Time of Flight cameras to the ROS distribution. ...
christian.ege
0 votes
2 answers
184 views
ROS master crashing due to XMLRPC error
I restarted my robot, running ROS Kinetic on a Raspberry Pi, and I'm finding that the master node is immediately crashing on startup with the error: ...
Cerin
0 votes
1 answer
27 views
Where is the message definition stored?
When a topic is advertised, are the md5 and the message definition of that message type stored somewhere accessible on the Ros server (By another node) or are they only sent with the message itself ...
Mehdi.
0 votes
1 answer
30 views
Read message structure at runtime from advertised topic
I have been looking in the roscore source code with no success. I want to "read" the structure of a given message (by topic name for example). By structure I mean a tree showing the fields a ...
Mehdi.
0 votes
1 answer
23 views
Which library can I access XmlRpcValue.h file?
Hello ROS users, While installing geometry package for tf, during catkin_make I receive error: 21%] Built target roscpp_generate_messages_cpp [ 21%] Built target roscpp_generate_messages_py [ 22%] ...
hdbot
0 votes
1 answer
57 views
Cleaning up after shutdown request
In my node looping portion, I check for shutdown using ros::isShuttingDown(). After the looping portion, I wish to perform a couple of actions before shutdown. The ...
errolflynn
0 votes
1 answer
65 views
Communicate with ros through XML-RPC
I am working on a project where i need to communicate to ROS from Windows PC. I found that XML-RPC is the best way to do it. Any other suggestions would be much appreciated. My question is, can we ...
ghkraju