Install

OSX

brew install libwebsockets

Install from source to have a more recent version.

Ubuntu/Raspbian

sudo apt install libwebsockets-dev

Other

See tutorial

Possibilities for graphs

draw2d
Graph Dracula
D3.js
jsPlumb
polymer
smoothiecharts Real time graph (oscilloscope)
flotr2
plotly On top of d3js
Dygraphs

Configure Wifi Access point

This is usefull to connect to the raspberry eventhough it does not have network.

Setting up a Raspberry Pi as an access point in a standalone network

The last part ( Add routing and masquerade ) is only to share internet connection

Install libwebsockets > 3

On raspbian you need to install version 3 from its sources, see below. On ubuntu use only 'sudo apt install libwebsockets-dev'.

sudo apt install git cmake
git clone https://github.com/warmcat/libwebsockets.git
cd libwebsockets
cmake .
sudo make -j4 install
ldconfig

Install light version of blaar

If blaar is only used on a server without graphic interface, it can be better to install a minimal version of blaar.

sudo apt-get install git g++ cmake ninja-build
git clone https://promethe.u-cergy.fr/blaar/blaar.git
cd blaar

#Clone the libs
git submodule add https://promethe.u-cergy.fr/blibs/blc_core.git blibs/blc_core
git submodule add https://promethe.u-cergy.fr/blibs/blc_channel.git blibs/blc_channel
git submodule add https://promethe.u-cergy.fr/blibs/blc_network.git blibs/blc_network
git submodule add https://promethe.u-cergy.fr/blibs/blc_process.git blibs/blc_process
git submodule add https://promethe.u-cergy.fr/blibs/blc_program.git blibs/blc_program

#Clone minimal programs
git submodule add https://promethe.u-cergy.fr/blaar/blc_channels.git
git submodule add https://promethe.u-cergy.fr/blaar/websockets.git
./install.sh all         #install all submodule
developer_tools/update_bash_profile.sh ~/.bashrc       #Update your bash profile
source ~/.bashrc         #Refresh your terminal

blaar / websockets

GitLab

websockets