function handle_ping(task)
simgrid.info("Received a PING from " .. task.sender_id)
local task_answer = simgrid.task.new("",0, common.COMM_SIZE)
function handle_ping(task)
simgrid.info("Received a PING from " .. task.sender_id)
local task_answer = simgrid.task.new("",0, common.COMM_SIZE)