Questions tagged [xmlrpc]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
18 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 ...
joe qiu's user avatar
0 votes
1 answer
6 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: ...
user avatar
0 votes
1 answer
21 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? ...
user avatar
0 votes
1 answer
7 views

rosout high memory usage

I'm running melodic on a ubuntu 18.04 container (through systemd-nspawn inside Archlinux: ...
user avatar
0 votes
1 answer
3 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 ...
user avatar
0 votes
1 answer
16 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: ...
user avatar
0 votes
1 answer
5 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 ...
user avatar
0 votes
1 answer
1 view

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; ...
user avatar
0 votes
1 answer
2 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. ...
user avatar
0 votes
2 answers
7 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: ...
user avatar
0 votes
1 answer
3 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 ...
user avatar
0 votes
1 answer
4 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 ...
user avatar
0 votes
1 answer
1 view

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%] ...
user avatar
0 votes
1 answer
7 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 ...
user avatar
0 votes
1 answer
10 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 ...
user avatar
0 votes
1 answer
1 view

Which xml_rpc call performs rostopic list?

I want to dynamically publish from a cpp node to some only subscribed topics in a namespace. I tried to retrieve those topics using ros::master::getTopic , but ...
user avatar
0 votes
1 answer
1 view

Is this RPC communication?

i'm using ssh for ROS network communication. i setted ROS_IP, ROS_MASTER_URI up IP Address that is working roscore. i'm working roscore, roslisp_reql in local. and i'm working turtlesim_node in ssh. ...
user avatar
0 votes
1 answer
3 views

Please help with requestTopic in ROS XMLRPC Slave API

Is it possible somebody who has a functional UDP Subscriber implemented can perform a Wireshark trace on the XML in the XMLRPC call and post it as the answer to this question? It will help me out ...
user avatar
0 votes
1 answer
1 view

XMLRPC and Nodes

Is there a single XMLRPC server running for all of the topics that are registered under a given node? Or does each topic maintain its own server? If there is a single XMLRPC server for all of the ...
user avatar
0 votes
1 answer
5 views

Set parameter list using XmlRpc

Hi, I need to set some ros parameters where one of them is a list of strings. I'm using C++ but cannot find an example of how to do it. I currently have a list ...
user avatar
0 votes
1 answer
5 views

Why ROS Topic should get XMLRPC address:port but ROS Service doesn't?

I followed ROS Introduction (Radu Bogdan Rusu) in Events/CoTeSys-OS-School. This is ROS Topic mechanism: I can see in step 2, Listener get Talker's XML/RPC's address:port. This is ROS Service ...
user avatar