tui: Avoid blocking

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

tui: Add scaffolding for a basic TUI

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

configure: Link against ncurses

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

main: Don't spread across more ports any more

Since we now have the main loop taking care of the connection handling
there is probably very little point in spreading this across multiple
processors.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

stats: Refactor stats calculation

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

ctx: Build out worker allocation

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Actually initialize the state

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

worker: Move sending/receiving data into the worker

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

main: Merge client and server to use the workers

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

main: Refactor setting up the timer

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

stats: Move them into their own file

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

main: Fix fetching the random buffer

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Move creating workers into the context

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

random: Refactor to use a statically allocated pool

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

ctx: Move context initialization

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

constants: Move all constants into their own header file

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

ctx: Move the context declaration into its own source file

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

conf: Rename to ctx

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Use the new worker

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

worker: Create scaffolding for a new universal worker

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Experimental changes to make this multithreaded

We seem to be hitting a bottleneck with the single-threaded approach on
weaker processors which makes it a necessity to have more threads.

This is a proof of concept.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Enable ZEROCOPY

https://www.kernel.org/doc/html/latest/networking/msg_zerocopy.html

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

rlimit: Automatically set to maximum

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

debian: Update changelog

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Bump version to 0.2.0

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

configure: Fix indentation

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Remove double declaration of ZERO

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

main: Ensure that epollfd is always initialized

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Do not send any data when in keepalive only mode

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Move sending keepalives to the server when enabled

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

timespec_delta: Return seconds as double

The stats printing function expected this in seconds

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Set socket buffer size to 64k

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Set socket buffer sizes on both sides for duplex traffic

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Remove default timeout

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Support "--close"

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

stats: Show sent/received stats everywhere

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Implement duplex mode

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

man: The --zero option is now effective for the server, too

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Change that the server is now sending data and the client is receiving it

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Move functions to send/receive data to main

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Initialize the random pool for both, client and server

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

random: Move pool into extra file

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Include number of listening sockets in open file limit

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Avoid closing timerfd when it has never been opened

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Bump version to 0.1.0

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Implement closing connections straight away

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

stats: Reset bytes sent, too

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Make listening sockets reusable

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Move dumping stats into main.c

The code is very common between client and server and therefore we can
share it better.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

stats: Merge client and server stats

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

stats: Show new connections per second

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

stats: Rename connections to open_connections

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Print current bandwidth and total bytes sent

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Show timestamp when dumping stats

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

util: Move some helper functions into an extra module

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Avoid double-closing the epoll file descriptor

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Add scaffolding to dump stats

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Move creation of epoll() and timerfd() to main

This is shared code between the client and the server and it is easier
to just maintain it once.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

debian: Add build dependencies

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

debian: Add tooling to build packages for various releases and architectures

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Add required files to allow building debian packages.

Fixes #12570.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

man: Add fireperf.8

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Add version information

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client+server: Try parsing port ranges

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Rename sockets -> listening_sockets

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Use a random port to connect to the server

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Automatically open 10 sockets

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client+server: Increase socket send/recevie buffer size to 128k

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Revert "client: Use getaddrinfo to resolve any hostnames given"

This reverts commit e5c9467df37a2d6914164ec9c2cd9b35cfb0c3cb.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Try to keep "conf->parallel" connections open

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Create random pool to send data faster

This creates a pool of one thousand times the send buffer size which
will be used to send random data. This data might repeat itself, but
that is not a problem here because we only need to have more data than
the window of any compression algorithm.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Read the correct events when handling peer connections

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Allocate send/receive buffers the same as socket buffers

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client+server: Configure socket send/receive buffer size

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Prevent useless stats printed when called too soon

Sometimes the timer event gets stuck in the queue and we would be called
multiple times in a row. To prevent printing any useless output, we just
ignore any calls that were too soon.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Show bandwidth in bit/s instead of bytes/s

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Show current bandwidth

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Show how many bytes were received in total

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Compute delta in seconds between dump_stats() calls

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Print some useful statistics about open connections

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Add a timer that triggers printing the statistics one a second

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Use getaddrinfo to resolve any hostnames given

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client+server: Remove useless configuration dump

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client+server: Configure ulimits before opening any connections

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Gracefully close connections when the client went away

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client+server: Process fewer epoll events in one go

This will allow us to terminate quicker because we will evaluate the
outer while loop more often which should be a rather cheap operation.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client+server: Remove some excessive debugging output

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client+server: Terminate gracefully when receiving a signal

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Enable sending keepalive packets every 10 seconds

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: ALlow keepalive only mode

In this mode, the client won't send any data and only hold the
connections open.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Add some example for gathering random data

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Give the user the choice whether to send random data or zero

This is useful when compression is being used on the link since random
data cannot be compressed, but the zeroes can.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Add timeout

This is a safety precausion which will terminate the client
automatically after a certain time just in case the network becomes
unresponsive.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

client: Add a basic implementation

This will make the client connect to the server with one or more
connections and it will send data.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

logging: Revert to log to console

This is easier for debugging

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

server: Add basic implementation that accepts connections

This creates an asynchronous loop which listens for new connections
opening and which will close connections after the client has closed
them.

This will also read any data that is being received on the sockets and
discard it.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Implement to configure parallelism

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Add scaffolding for client/server code

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Parse IP address which we need in client mode

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Add a basic logging infrastructure

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>