[zeromq-dev] Example for building against ZMQ with CMake + UDP Multicast Support

2017-01-10 Thread Stephan Opfer
han -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6283 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW: http://www.uni-kassel.de/go/vs_stephan-opfer/ ___ zeromq-dev mailing list zeromq-dev@li

Re: [zeromq-dev] Example for building against ZMQ with CMake + UDP Multicast Support

2017-01-10 Thread Stephan Opfer
On 10.01.2017 17:21, Kevin Sapper wrote: there is a cmake option "ENABLE_DRAFTS" which should do the same. Do I have to include this option into the compilation of my project, too? Or is it just for compiling libzmq with CMake? -- Distributed Systems Research Group Stephan Opfer

Re: [zeromq-dev] Example for building against ZMQ with CMake + UDP Multicast Support

2017-01-10 Thread Stephan Opfer
On 10.01.2017 17:28, Luca Boccassi wrote: Append to /etc/apt/sources.list : debhttp://download.opensuse.org/repositories/home:/zeromq:/git-draft/xUbuntu_16.04/ ./ How do I sign the key of this repo? -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6283 F. +49 561 804

Re: [zeromq-dev] Example for building against ZMQ with CMake + UDP Multicast Support

2017-01-10 Thread Stephan Opfer
ference to `zmq_poll' Discovery.cpp:(.text+0x7ab): undefined reference to `zmq_close' Discovery.cpp:(.text+0x7e2): undefined reference to `zmq_close' Discovery.cpp:(.text+0x819): undefined reference to `zmq_ctx_term' collect2: error: ld returned 1 exit status -- Distributed Systems Research Group S

Re: [zeromq-dev] Example for building against ZMQ with CMake + UDP Multicast Support

2017-01-10 Thread Stephan Opfer
that the wanted symbol is in there with: readelf -Ws /usr/lib/x86_64-linux-gnu/libzmq.so.5.1.2 Normally under this circumstances problems like mismatching architecture of the .so is the case, but I can't see any hints for that. -- Distributed Systems Research Group Stephan Opfer T. +49 561 804

Re: [zeromq-dev] Example for building against ZMQ with CMake + UDP Multicast Support

2017-01-10 Thread Stephan Opfer
made some changes: https://gist.github.com/StephanOpfer/df1f589c69da6c2e264bddbd9afe730c -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6283 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW: http://www.uni-kassel.de/go/vs_stephan-opfer

Re: [zeromq-dev] Example for building against ZMQ with CMake + UDP Multicast Support

2017-01-11 Thread Stephan Opfer
libraries: include_directories(include ${ZeroMQ_INCLUDE_DIRS}) target_link_libraries(${PROJECT_NAME} ${ZeroMQ_LIBRARIES}) -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6283 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW: http://www.uni-ka

[zeromq-dev] Does ZMQ help for determining the IP-Address of available interfaces?

2017-03-23 Thread Stephan Opfer
Hi, I would like to know the names and IPs of all available interfaces of my machine. I am utilising Ubuntu 16.04 and asked myself, whether zmq could make things easier here? Greetings, Stephan -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277

[zeromq-dev] zmq_msg_send returns "Resource temporarily unavailable"

2017-08-30 Thread Stephan Opfer
); I am sending in a while(true) loop. Is that too fast? Do I actually have problem at all? Greetings, Stephan -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW: http://www.u

Re: [zeromq-dev] Rare feature combination possible?

2017-08-29 Thread Stephan Opfer
message, which would just mean that I can compose the Cap'n Proto message without taking care of zero-copy. Any thoughts? Greetings, Stephan -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121

Re: [zeromq-dev] zmq_msg_send returns "Resource temporarily unavailable"

2017-08-31 Thread Stephan Opfer
a deallocator method to zmq_msg_init_data), it could happen that it deletes the data to early for other parts of my application. Greetings, Stephan -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel

[zeromq-dev] Is shared ownership possible while sending with zero-copy?

2017-08-31 Thread Stephan Opfer
to deallocate it. I want my own application to deallocate it, if it is not needed anymore and zmq did send everything. Greetings, Stephan -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW

Re: [zeromq-dev] zmq_msg_send returns "Resource temporarily unavailable"

2017-08-31 Thread Stephan Opfer
. Greetings, Stephan -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW: http://www.uni-kassel.de/go/vs_stephan-opfer/ ___ zeromq-dev mailing list

Re: [zeromq-dev] Rare feature combination possible?

2017-08-29 Thread Stephan Opfer
the data anyway. -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW: http://www.uni-kassel.de/go/vs_stephan-opfer/ ___ zeromq-dev mailing list

Re: [zeromq-dev] Is shared ownership possible while sending with zero-copy?

2017-08-31 Thread Stephan Opfer
, if I could pass over a copy of (not reference or pointer to) a shared_ptr that owns the buffer, but with the call back and the "void * hint" this wasn't possible for me. -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277 Univ. Kass

Re: [zeromq-dev] Is shared ownership possible while sending with zero-copy?

2017-09-01 Thread Stephan Opfer
sibly lock free, Boost has a handy one) queue and signal a 'reaper' thread (waiting on a condition_variable). The reaper thread wakes up, reclaims all queued message buffers then returns to waiting. On Thu, Aug 31, 2017 at 10:55 AM Stephan Opfer wrote: > Another, more complicat

Re: [zeromq-dev] CMakeLists.txt for ROS while using ZeroMQ

2017-11-24 Thread Stephan Opfer
Ubuntu 14.04 LTS PC. - Thanks Ravi ___ zeromq-dev mailing list zeromq-dev@lists.zeromq.org https://lists.zeromq.org/mailman/listinfo/zeromq-dev -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6280 F. +49 561 804-6277 Univ. Kassel, F

Re: [zeromq-dev] Revisited: Example for building against ZMQ with CMake + UDP Multicast Support

2018-09-26 Thread Stephan Opfer
mq-dev@lists.zeromq.org https://lists.zeromq.org/mailman/listinfo/zeromq-dev -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6283 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW: http://www.uni-kassel.de/go/vs_stephan-opfer/ __

Re: [zeromq-dev] Memory pool for zmq_msg_t

2019-07-04 Thread Stephan Opfer
e and send via ZeroMQ -> therefore the name Cap'nZero ;-) -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6279 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel WWW: http://www.uni-kassel.de/go/vs_

[zeromq-dev] UDP Multicast - Problem with large message sizes?

2019-09-09 Thread Stephan Opfer
reduce the message size to ~2kB, it takes several of these message (~254) to get this error, but the number of messages seems to be always the same. Greetings   Stephan -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6283 F. +49 561 804-6277 Univ. Kassel, FB 16

Re: [zeromq-dev] UDP Multicast - Problem with large message sizes?

2019-09-09 Thread Stephan Opfer
Found this one: https://github.com/zeromq/libzmq/issues/2009 Is it still not fixed? According to github it needs stacktraces. Should I post mine there? On 09.09.19 21:09, Stephan Opfer wrote: Hi all, when I try to send large messages (~65kB) via UDP Multicast (per draft API, RADIO/DISH), I

Re: [zeromq-dev] Limited UDP Message Size

2020-01-12 Thread Stephan Opfer
. If you do want to use large UDP packets on your local area network you might want to increase the network MTU (jumbo frames) for better delivery. For example, some AWS instances support 9001 bytes MTU for inter-instance communication. On Fri, Jan 10, 2020 at 3:25 PM Stephan Opfer <mailto

[zeromq-dev] Limited UDP Message Size

2020-01-10 Thread Stephan Opfer
or example "ZMQ_MAX_MSGSZ" from the zmq context option, which is MAX_INT. Maybe, someone could spare some time at the Hackathon... ;-) Greetings,   Stephan -- Distributed Systems Research Group Stephan Opfer T. +49 561 804-6279 F. +49 561 804-6277 Univ. Kassel, FB 16, Wilhelmshöhe