sunpath | An ElmWebGL test app : Flight path sun graphs | Animation library
kandi X-RAY | sunpath Summary
kandi X-RAY | sunpath Summary
Some graphs to visualize how your motion along a great circle path interacts with the Earth's rotation.
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QUESTION
Here is some background about the issue that I have:
I have a unix socket of type stream server_fd = socket(AF_UNIX, SOCK_STREAM, 0)
. On server side, the socket is listen(2)
ed to via listen(server_fd, 128)
and bound to an epoll handler that handles EPOLLIN
. When reading from said socket (using the epoll callback), I use accept(2)
to create a new socket for the client which is bound to its own epoll handling EPOLLIN | EPOLLOUT | EPOLLHUP | EPOLLERR
. So far pretty standard.
Here is the problem:
Because the data on server side is dispersed through multiple sources, and the aim is for client side to get the data in neat packages, I do something with a gist like this:
...ANSWER
Answered 2021-May-11 at 21:26From the linux unix(7)
man page:
The
send(2)
MSG_MORE
flag is not supported by UNIX domain sockets.
and also of interest:
The
SO_SNDBUF
socket option does have an effect for UNIX domain sockets, but theSO_RCVBUF
option does not.
So there's no point in using MSG_MORE
in your code; it's for TCP and UDP sockets.
Also, the number of reads on a stream (Be it a TCP socket, UNIX domain socket, pipe, etc.) isn't related to the number of writes on the far end. You have to include things like message boundaries in a higher-level protocol that uses the stream. If doing that is an issue, you might look into a SOCK_SEQPACKET
unix socket instead, combined with writev(2)
to send scattered data (I think that'll cause all the data to be in a single packet).
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Vulnerabilities
No vulnerabilities reported
Install sunpath
Elm packages are available at elm-lang.org. If you are going to make HTTP requests, you may need elm/http and elm/json. You can get them set up in your project with the following commands: elm install elm/http and elm install elm/json. It adds these dependencies into your elm.json file, making these packages available in your project. Please refer guide.elm-lang.org for more information.
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