local allowed_senders = module:get_option_set("broadcast_senders", {});

local jid_bare = require "util.jid".bare;

function send_to_online(message)

	local c = 0;

	for hostname, host_session in pairs(hosts) do

		if host_session.sessions then

			for username in pairs(host_session.sessions) do

				c = c + 1;

				message.attr.to = username.."@"..hostname;

				module:send(message);

			end

		end

	end

	return c;

end

function send_message(event)

	local stanza = event.stanza;

	if allowed_senders:contains(jid_bare(stanza.attr.from)) then

		local c = send_to_online(stanza);

		module:log("debug", "Broadcast stanza from %s to %d online users", stanza.attr.from, c);

		return true;

	else

		module:log("warn", "Broadcasting is not allowed for %s", stanza.attr.from);

	end

end

module:hook("message/bare", send_message);