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import waypipe-0.8.0-2.el9

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CentOS Sources 2022-05-17 06:20:16 -04:00 committed by Stepan Oksanichenko
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.\" Generated by scdoc 1.11.1
.\" Complete documentation for this program is not available as a GNU info page
.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.nh
.ad l
.\" Begin generated content:
.TH "waypipe" "1" "2021-04-03"
.P
.SH NAME
.P
waypipe - A transparent proxy for Wayland applications
.P
.SH SYNOPSIS
.P
\fBwaypipe\fR [options.\&.\&.\&] \fBssh\fR [ssh options] \fIdestination\fR \fIcommand.\&.\&.\&\fR
.P
\fBwaypipe\fR [options.\&.\&.\&] \fBclient\fR
.br
\fBwaypipe\fR [options.\&.\&.\&] \fBserver\fR -- \fIcommand.\&.\&.\&\fR
.br
\fBwaypipe\fR \fBrecon\fR \fIcontrol_pipe\fR \fInew_socket_path\fR
.br
\fBwaypipe\fR \fBbench\fR \fIbandwidth\fR
.br
\fBwaypipe\fR [\fB--version\fR] [\fB-h\fR, \fB--help\fR]
.P
[options.\&.\&.\&] = [\fB-c\fR, \fB--compress\fR C] [\fB-d\fR, \fB--debug\fR] [\fB-n\fR, \fB--no-gpu\fR] [\fB-o\fR, \fB--oneshot\fR] [\fB-s\fR, \fB--socket\fR S] [\fB--allow-tiled\fR] [\fB--control\fR C] [\fB--display\fR D] [\fB--drm-node\fR R] [\fB--remote-node\fR R] [\fB--remote-bin\fR R] [\fB--login-shell\fR] [\fB--threads\fR T] [\fB--unlink-socket\fR] [\fB--video\fR[=V]]
.P
.P
.SH DESCRIPTION
.P
Waypipe is a proxy for Wayland clients, with the aim of supporting behavior
like \fBssh -X\fR.\&
.P
Prefixing an \fBssh .\&.\&.\&\fR command to become \fBwaypipe ssh .\&.\&.\&\fR will automatically
run \fBwaypipe\fR both locally and remotely, and modify the ssh command to set up
forwarding between the two instances of \fBwaypipe\fR.\& The remote instance
will act like a Wayland compositor, letting Wayland applications that are
run remotely be displayed locally.\&
.P
When run as \fBwaypipe client\fR, it will open a socket (by default at
\fI/tmp/waypipe-client.\&sock\fR) and will connect to the local Wayland compositor
and forward all Wayland applications which were linked to it over the socket
by a matching \fBwaypipe server\fR instance.\&
.P
When run as \fBwaypipe server\fR, it will run the command that follows in its
command line invocation, set up its own Wayland compositor socket, and
try to connect to its matching \fBwaypipe client\fR socket (by default
\fI/tmp/waypipe-server.\&sock\fR) and try to forward all the Wayland clients
that connect to fake compositor socket to the matching \fBwaypipe client\fR.\&
.P
The \fBwaypipe recon\fR mode is used to reconnect a \fBwaypipe server\fR instance
which has had a control pipe (option \fB--control\fR) set.\& The new socket path
should indicate a Unix socket whose connections are forwarded to the \fBwaypipe
client\fR that the \fBwaypipe server\fR was initially connected to.\&
.P
The \fBwaypipe bench\fR mode can be used to estimate, given a specific
connection \fIbandwidth\fR in MB/sec, which compression options produce the
lowest latency.\& It tests two synthetic images, one made to be roughly as
compressible as images containing text, and one made to be roughly as
compressible as images containing pictures.\&
.P
.SH OPTIONS
.P
\fB-c C, --compress C\fR
.RS 4
Select the compression method applied to data transfers.\& Options are
\fInone\fR (for high-bandwidth networks), \fIlz4\fR (intermediate), \fIzstd\fR
(slow connection).\& The default compression is \fInone\fR.\& The compression
level can be chosen by appending = followed by a number.\& For example,
if \fBC\fR is \fIzstd=7\fR, waypipe will use level 7 Zstd compression.\&
.P
.RE
\fB-d, --debug\fR
.RS 4
Print debug log messages.\&
.P
.RE
\fB-h, --help\fR
.RS 4
Show help message and quit.\&
.P
.RE
\fB-n, --no-gpu\fR
.RS 4
Block protocols like wayland-drm and linux-dmabuf which require access
to e.\&g.\& render nodes.\&
.P
.RE
\fB-o, --oneshot\fR
.RS 4
Only permit a single connection, and exit when it is closed.\&
.P
.RE
\fB-s S, --socket S\fR
.RS 4
Use \fBS\fR as the path for the Unix socket.\& The default socket path for
server mode is \fI/tmp/waypipe-server.\&sock\fR; for client mode, it is
\fI/tmp/waypipe-client.\&sock\fR; and in ssh mode, \fBS\fR gives the prefix used by
both the client and the server for their socket paths.\&
.P
.RE
\fB--version\fR
.RS 4
Print the version number and quit.\&
.P
.RE
\fB--allow-tiled\fR
.RS 4
By default, waypipe filters out all advertised DMABUF formats which have
format layout modifiers, as CPU access to these formats may be very slow.\&
Setting this flag disables the filtering.\& Since tiled images often permit
faster GPU operations, most OpenGL applications will select tiling modifiers
when they are available.\&
.P
.RE
\fB--control C\fR
.RS 4
For server or ssh mode, provide the path to the "control pipe" that will
be created the the server.\& Writing (with \fBwaypipe recon C T\fR, or
'echo -n T > C') a new socket path to this pipe will make the server
instance replace all running connections with connections to the new
Unix socket.\& The new socket should ultimately forward data to the same
waypipe client that the server was connected to before.\&
.P
.RE
\fB--display D\fR
.RS 4
For server or ssh mode, provide \fIWAYLAND_DISPLAY\fR and let waypipe configure
its Wayland display socket to have a matching path.\& (If \fBD\fR is not an
absolute path, the socket will be created in the folder given by the
environment variable \fIXDG_RUNTIME_DIR\fR.\&)
.P
.RE
\fB--drm-node R\fR
.RS 4
Specify the path \fBR\fR to the drm device that this instance of waypipe should
use and (in server mode) notify connecting applications about.\&
.P
.RE
\fB--remote-node R\fR
.RS 4
In ssh mode, specify the path \fBR\fR to the drm device that the remote instance
of waypipe (running in server mode) should use.\&
.P
.RE
\fB--remote-bin R\fR
.RS 4
In ssh mode, specify the path \fBR\fR to the waypipe binary on the remote
computer, or its name if it is available in \fIPATH\fR.\& It defaults to
\fBwaypipe\fR if this option isn’t passed.\&
.P
.RE
\fB--login-shell\fR
.RS 4
Only for server mode; if no command is being run, open a login shell.\&
.P
.RE
\fB--threads T\fR
.RS 4
Set the number of total threads (including the main thread) which a \fBwaypipe\fR
instance will create.\& These threads will be used to parallelize compression
operations.\& This flag is passed on to \fBwaypipe server\fR when given to \fBwaypipe
ssh\fR.\& The flag also controls the thread count for \fBwaypipe bench\fR.\& The default
behavior (choosable by setting \fBT\fR to \fI0\fR) is to use half as many threads
as the computer has hardware threads available.\&
.P
.RE
\fB--unlink-socket\fR
.RS 4
Only for server mode; on shutdown, unlink the Unix socket that waypipe connects to.\&
.P
.RE
\fB--video[=V]\fR
.RS 4
Compress specific DMABUF formats using a lossy video codec.\& Opaque, 10-bit, and
multiplanar formats, among others, are not supported.\& \fBV\fR is a comma separated
list of options to control the video encoding.\& Using the \fB--video\fR flag without
setting any options is equivalent to using the default setting of:
\fB--video=sw,bpf=120000,h264\fR.\& Later options supersede earlier ones.\&
.P
\fBsw\fR
.RS 4
Use software encoding and decoding.\&
.P
.RE
\fBhw\fR
.RS 4
Use hardware (VAAPI) encoding and decoding, if available.\& This can be finicky
and may only work with specific window buffer formats and sizes.\&
.P
.RE
\fBh264\fR
.RS 4
Use H.\&264 encoded video.\&
.P
.RE
\fBvp9\fR
.RS 4
Use VP9 encoded video.\&
.P
.RE
\fBbpf=B\fR
.RS 4
Set the target bit rate of the video encoder, in units of bits per frame.\&
\fBB\fR can be written as an integer or with exponential notation; thus
\fB--video=bpf=7.\&5e5\fR is equivalent to \fB--video=bpf=750000\fR.\&
.P
.RE
.RE
\fB--hwvideo\fR
.RS 4
Deprecated option, equivalent to --video=hw .\&
.P
.RE
.SH EXAMPLE
.P
The following \fBwaypipe ssh\fR subcommand will attempt to run \fBweston-flower\fR on
the server \fIexserv\fR, displaying the result on the local system.\&
.P
.nf
.RS 4
waypipe ssh user@exserv weston-flower
.fi
.RE
.P
One can obtain similar behavior by explicitly running waypipe and ssh:
.P
.nf
.RS 4
waypipe --socket /tmp/socket-client client &
ssh -R /tmp/socket-server:/tmp/socket-client user@exserv \\
waypipe --socket /tmp/socket-server server -- weston-flower
kill %1
.fi
.RE
.P
Waypipe may be run locally without an SSH connection by specifying matching
socket paths.\& For example:
.P
.nf
.RS 4
waypipe --socket /tmp/waypipe\&.sock client &
waypipe --socket /tmp/waypipe\&.sock server weston-simple-dmabuf-egl
kill %1
rm /tmp/waypipe\&.sock
.fi
.RE
.P
Using transports other than SSH is a bit more complicated.\& A recipe with ncat
to connect to \fIremote\fR from computer \fIlocal\fR:
.P
.nf
.RS 4
$ waypipe --socket /tmp/waypipe-remote\&.sock client &
$ ncat --ssl -lk 12345 --sh-exec 'ncat -U /tmp/waypipe-remote\&.sock' &
$ ssh user@remote
> ncat -lkU /tmp/waypipe-local\&.sock --sh-exec 'ncat --ssl local 12345' &
> waypipe --display wayland-local \\
--socket /tmp/waypipe-local\&.sock server -- sleep inf &
> WAYLAND_DISPLAY=wayland-local application
.fi
.RE
.P
Given a certificate file, socat can also provide an encrypted connection
(remove 'verify=0' to check certificates):
.P
.nf
.RS 4
$ waypipe --socket /tmp/waypipe-remote\&.sock client &
$ socat openssl-listen:12345,reuseaddr,cert=certificate\&.pem,verify=0,fork \\
unix-connect:/tmp/waypipe-remote\&.sock
$ ssh user@remote
> socat unix-listen:/tmp/waypipe-local\&.sock,reuseaddr,fork \\
openssl-connect:local:12345,verify=0 &
> waypipe --socket /tmp/waypipe-local\&.sock server -- application
.fi
.RE
.P
Many applications require specific environment variables to use Wayland instead
of X11.\& If ssh isn't configured to support loading \fI~/.\&ssh/environment\fR,
one can use \fIenv\fR to set the needed variables each time; or run waypipe without
a command, to use the login shell environment.\&
.P
.nf
.RS 4
waypipe ssh user@host env XDG_SESSION_TYPE=wayland dolphin
.fi
.RE
.P
Waypipe has support for reconnecting a \fBwaypipe client\fR and a \fBwaypipe server\fR
instance when whatever was used to transfer data between their sockets fails.\&
For this to work, waypipe must still be running on both sides of the connection.\&
As the \fBwaypipe ssh\fR wrapper will automatically close both the \fBwaypipe client\fR
and the \fBwaypipe server\fR when the connection fails, the client and server modes
must be run seprately.\& For example, to persistently forward applications running
on server \fIrserv\fR to a local Wayland compositor running on \fIlserv\fR, one would
first set up a waypipe client instance on \fIlserv\fR,
.P
.nf
.RS 4
waypipe -s /tmp/waypipe\&.sock client &
.fi
.RE
.P
and on server \fIrserv\fR, establish socket forwarding and run the server
.P
.nf
.RS 4
ssh -fN -L /tmp/waypipe-lserv\&.sock:/tmp/waypipe\&.sock user@lserv
waypipe -s /tmp/waypipe-lserv\&.sock --control /tmp/ctrl-lserv\&.pipe \\
--display wayland-lserv server -- sleep inf &
.fi
.RE
.P
then set \fIWAYLAND_DISPLAY=wayland-lserv\fR and run the desired applications.\&
When the ssh forwarding breaks, on \fIrserv\fR, reconnect with
.P
.nf
.RS 4
ssh -fN -L /tmp/waypipe-lserv-2\&.sock:/tmp/waypipe\&.sock user@lserv
waypipe recon /tmp/ctrl-lserv\&.pipe /tmp/waypipe-lserv-2\&.sock
.fi
.RE
.P
.SH ENVIRONMENT
.P
When running as a server, by default \fIWAYLAND_DISPLAY\fR will be set for the
invoked process.\&
.P
If the \fB--oneshot\fR flag is set, waypipe will instead set \fIWAYLAND_SOCKET\fR and
inherit an already connected socketpair file descriptor to the invoked (child)
process.\& Some programs open and close a Wayland connection repeatedly as part
of their initialization, and will not work correctly with this flag.\&
.P
.SH EXIT STATUS
.P
\fBwaypipe ssh\fR will exit with the exit status code from the remote command, or
with return code 1 if there has been an error.\&
.P
.SH BUGS
.P
File bug reports at: https://gitlab.\&freedesktop.\&org/mstoeckl/waypipe/
.P
Some programs (gnome-terminal, firefox, kate, among others) have special
mechanisms to ensure that only one process is running at a time.\& Starting
those programs under Waypipe while they are running under a different
Wayland compositor may silently open a window or tab in the original
instance of the program.\& Such programs may have a command line argument
to create a new instance.\&
.P
.SH SEE ALSO
.P
\fBweston\fR(1), \fBssh\fR(1), \fBsocat(1)\fR, \fBncat(1)\fR

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Name: waypipe
Version: 0.8.0
Release: 2%{?dist}
Summary: Wayland forwarding proxy
License: MIT
URL: https://gitlab.freedesktop.org/mstoeckl/%{name}
Source0: https://gitlab.freedesktop.org/mstoeckl/%{name}/-/archive/v%{version}/%{name}-v%{version}.tar.gz
Source1: waypipe.1
BuildRequires: gcc
BuildRequires: meson
%if !0%{?rhel}
BuildRequires: scdoc
%endif
BuildRequires: pkgconfig(gbm)
BuildRequires: pkgconfig(libdrm)
BuildRequires: pkgconfig(liblz4)
BuildRequires: pkgconfig(libzstd)
BuildRequires: pkgconfig(libva)
BuildRequires: pkgconfig(wayland-protocols)
BuildRequires: pkgconfig(wayland-client)
BuildRequires: pkgconfig(wayland-server)
%description
Waypipe is a proxy for Wayland clients. It forwards Wayland messages and
serializes changes to shared memory buffers over a single socket. This makes
application forwarding similar to "ssh -X" feasible.
%prep
%setup -q -n %{name}-v%{version}
%build
%meson -Dwith_video=disabled -Dwerror=false %{?rhel:-Dman-pages=disabled}
%meson_build
%install
%meson_install
%if 0%{?rhel}
mkdir -p %{buildroot}%{_mandir}/man1/
install -m 644 %{SOURCE1} %{buildroot}%{_mandir}/man1/
%endif
%check
%meson_test
%files
%{_bindir}/waypipe
%{_mandir}/man1/waypipe.1*
%doc CONTRIBUTING.md README.md
%license COPYING
%changelog
* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 0.8.0-2
- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
Related: rhbz#1991688
* Tue Jun 22 2021 Olivier Fourdan <ofourdan@redhat.com> - 0.8.0-1
- Update to 0.8.0
- Provide a pre-built man page on RHEL to avoid pulling scdoc
* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.7.1-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* Fri Nov 06 2020 Dominique Martinet <asmadeus@codewreck.org> - 0.7.1-1
- Update to 0.7.1
* Tue Nov 03 2020 Dominique Martinet <asmadeus@codewreck.org> - 0.7.0-1
- Update to version 0.7.0
* Mon Sep 28 2020 Jeff Law <law@redhat.com> - 0.6.1-7
- Re-enable LTO as upstream GCC target/96939 has been fixed
* Mon Aug 10 2020 Jeff Law <law@redhat.com> - 0.6.1-6
- Disable LTO for now.
* Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.1-5
- Second attempt - Rebuilt for
https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.1-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Mon May 11 2020 Dominique Martinet <asmadeus@codewreck.org> - 0.6.1-3
- Fix FTBS (test failure)
* Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.1-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Wed Aug 28 2019 Lubomir Rintel <lkundrak@v3.sk> - 0.6.1-1
- Update to version 0.6.1
* Thu Aug 22 2019 Lubomir Rintel <lkundrak@v3.sk> - 0.6.0-1
- Initial packaging