Files
timecrafters_configuration_…/lib/tacnet/server.rb

139 lines
4.3 KiB
Ruby

module TAC
class TACNET
class Server
TAG = "TACNET|Server"
attr_reader :active_client,
:packets_sent, :packets_received, :data_sent, :data_received,
:client_last_packets_sent, :client_last_packets_received, :client_last_data_sent, :client_last_data_received
def initialize(port = DEFAULT_PORT)
$server = self
@port = port
@socket = nil
@active_client = nil
@connection_attempts = 0
@max_connection_attempts = 10
@packets_sent, @packets_received, @client_last_packets_sent, @client_last_packets_received = 0, 0, 0, 0
@data_sent, @data_received, @client_last_data_sent, @client_last_data_received = 0, 0, 0, 0
@last_sync_time = TACNET.milliseconds
@sync_interval = SYNC_INTERVAL
@last_heartbeat_sent = TACNET.milliseconds
@heartbeat_interval = HEARTBEAT_INTERVAL
@client_handler_proc = proc do
handle_client
end
@packet_handler = PacketHandler.new
end
def start(run_on_main_thread: false)
thread = Thread.new do
while (!@socket && @connection_attempts < @max_connection_attempts)
begin
log.i(TAG, "Starting server...")
@socket = TCPServer.new(@port)
rescue IOError => error
log.e(TAG, error)
@connection_attempts += 1
retry if @connection_attempts < @max_connection_attempts
end
end
while @socket && !@socket.closed?
begin
run_server
rescue IOError => error
log.e(TAG, error)
@socket.close if @socket
end
end
end
thread.join if run_on_main_thread
end
def run_server
while !@socket.closed?
client = Client.new
client.sync_interval = @sync_interval
client.socket = @socket.accept
if @active_client && @active_client.connected?
log.i(TAG, "Too many clients, already have one connected!")
client.close("Too many clients!")
else
@active_client = client
# TODO: Backup local config
# SEND CONFIG
@active_client.puts(PacketHandler.packet_handshake(@active_client.uuid))
@active_client.puts(PacketHandler.packet_list_configs)
log.i(TAG, "Client connected!")
Thread.new do
while @active_client && @active_client.connected?
if TACNET.milliseconds > @last_sync_time + @sync_interval
@last_sync_time = TACNET.milliseconds
@active_client.sync(@client_handler_proc)
update_stats
end
end
update_stats
@active_client = nil
@client_last_packets_sent = 0
@client_last_packets_received = 0
@client_last_data_sent = 0
@client_last_data_received = 0
end
end
end
end
def handle_client
if @active_client && @active_client.connected?
message = @active_client.gets
if message && !message.empty?
@packet_handler.handle(message)
end
if TACNET.milliseconds > @last_heartbeat_sent + @heartbeat_interval
@last_heartbeat_sent = TACNET.milliseconds
@active_client.puts(PacketHandler.packet_heartbeat)
end
sleep @sync_interval / 1000.0
end
end
private def update_stats
if @active_client
# NOTE: Sent and Received are reversed for Server stats
@packets_sent += @active_client.packets_received - @client_last_packets_received
@packets_received += @active_client.packets_sent - @client_last_packets_sent
@data_sent += @active_client.data_received - @client_last_data_received
@data_received += @active_client.data_sent - @client_last_data_sent
@client_last_packets_sent = @active_client.packets_sent
@client_last_packets_received = @active_client.packets_received
@client_last_data_sent = @active_client.data_sent
@client_last_data_received = @active_client.data_received
end
end
end
end
end