def gameOver(jsn):
"""Recieved when the game ends for a pair of players."""
game_id = jsn["gameId"]
### Make sure that the game is either in the live games, or has an entry
# in the database already.
db.write_connection_event(request.sid, "Game Ended Normally")
if game_id in live_games:
logger.debug('game over (ID: ' + str(game_id) + ')')
db.write_final_turn(game_id, jsn["time"])
db.write_game_end(game_id, jsn["score"])
live_games.pop(game_id)
kill_agent(game_id)
else:
# If it's not, make sure that the score has been set and accurately
# reflects what was in the database already.
expected_score = db.get_game_score(game_id)
if not expected_score == jsn["score"]:
logger.warn("Didn't find game " + game_id +
" in live games, but the score was not "
"expected! (database) " + str(expected_score) +
"; (client) " + str(jsn["score"]))
def parse_credentials(jsn):
# This is a hashed worker ID. Look it up against the hash.
worker_id = jsn['worker_id']
if db.is_qualified(worker_id):
# Check if the assignment ID is already used.
if db.assignment_id_used(worker_id, jsn['assignment_id']):
db.update_client_info(request.sid, worker_id, jsn['assignment_id'],
'Already Used Assignment ID')
logger.debug(
'identified worker using assignment ID another time; SID=' +
request.sid)
emit('assignmentIdUsed')
else:
# Check for worker ID in list of currently-connected workers
if db.worker_connected(worker_id):
db.update_client_info(request.sid, worker_id,
jsn['assignment_id'],
'Already Connected to Game')
logger.debug('identified already-connected worker ' +
jsn['worker_id'] + '; SID=' + request.sid)
emit('alreadyConnected')
else:
db.update_client_info(request.sid, worker_id,
jsn['assignment_id'],
'Validated Connection')
logger.debug('recognizing connected worker ' +
jsn['worker_id'] + '; SID=' + request.sid)
db.write_connection_event(request.sid,
'Connected and Validated Identity')
emit('recognizedWorker')
elif worker_id.startswith('agent'):
db.update_client_info(request.sid, worker_id, jsn['assignment_id'],
'Agent Connected')
logger.debug('recognized agent; SID=' + request.sid + '; ID=' +
str(worker_id))
emit('recognizedAgent')
db.write_connection_event(request.sid, 'Connected with Agent ID')
else:
if worker_id:
db.update_client_info(request.sid, worker_id, jsn['assignment_id'],
'Non-Recognized Worker')
logger.debug(
'did not recognize connector as qualified worker; SID=' +
request.sid)
emit('unqualifiedWorker')
db.write_connection_event(request.sid,
'Connected with Unrecognized Worker ID')
else:
db.update_client_info(request.sid, worker_id, jsn['assignment_id'],
'No-credentials Connection')
logger.debug('did not recognize connector; SID=' + request.sid)
db.write_connection_event(request.sid,
'Connected with No Credentials')
def remove_ghost_sessions():
cur_age = sys.maxsize
ghost_start_time = time.time() - SERVER_START_TIME
while cur_age > TIMEOUT_AGE and not lobby_clients.empty():
client_entered_time, client = lobby_clients.get()
client_age = ghost_start_time - client_entered_time
if client_age <= TIMEOUT_AGE:
# If hasn't been waiting long, put it back and break
lobby_clients.put((client_entered_time, client))
else:
lobby_clients_active[client.sid] = False
socketio.emit('reset', room=client.sid)
logger.debug('marked inactive client ' + str(client) + '; waited for ' + str(client_age) + ' s')
db.write_connection_event(client.sid, "Removed Ghost Session")
cur_age = client_age
def ready_pressed(jsn):
"""Recieved when player presses button to indicate they are ready to start.
Game actually starts loading after both lobby_clients send this message, i.e. they
are both ready.
"""
logger.debug("%s from %s pressed ready", jsn["character"], jsn["gameId"])
game_id = jsn["gameId"]
try:
game = live_games[game_id]
except KeyError as e:
logger.warn('Game ' + str(game_id) + ' not found in live games')
return
# Set ready, and also join the room actually corresponding to the in-play
# game
if jsn["character"] == "Human":
game.set_human_ready()
logger.debug('human joined room: ' + game.human_room())
join_room(game.human_room())
db.write_connection_event(request.sid, "Pressed Ready (Leader)")
elif jsn["character"] == "Agent":
game.set_agent_ready()
logger.debug('agent joined room: ' + game.agent_room())
join_room(game.agent_room())
db.write_connection_event(request.sid, "Pressed Ready (Follower)")
else:
raise ValueError('Unrecognized character name: ' + jsn['character'])
if game.both_ready():
emit('startGame', room=game.human_room())
emit('startGame', room=game.agent_room())
# Mark the assignment IDs as used
db.mark_assignment_id_used(game.human_id(), game.human_assignment_id())
db.mark_assignment_id_used(game.agent_id(), game.agent_assignment_id())
def join_lobby(jsn):
"""Player joins lobby for partner matchmaking. 'lobby_clients' holds all
players currently in queue to find a partner.
"""
# Just put them in the lobby.
worker_id = jsn['worker_id']
my_request = CerealRequest(request.remote_addr, request.sid, worker_id,
jsn['assignment_id'])
if worker_id.startswith('agent'):
agent_clients.put((time.time() - SERVER_START_TIME, my_request))
agent_clients_active[request.sid] = True
else:
lobby_clients.put((time.time() - SERVER_START_TIME, my_request))
lobby_clients_active[request.sid] = True
logger.info('MATCHING WITH HUMAN? ' +
str(CURRENT_MATCH_MODE.use_human))
if not CURRENT_MATCH_MODE.use_human:
# Spawn an agent client
logger.debug('Spawning an agent client...')
agent_uuid = 'agent_' + str(uuid.uuid4().hex)
process = subprocess.Popen(
['python3', '-m', 'webapp.agent', agent_uuid])
agent_processes[agent_uuid] = process
logger.debug('Spawned agent=' + agent_uuid + ', pid=' +
str(process.pid))
logger.debug("player joined lobby: " + str(my_request))
db.write_connection_event(request.sid, "Join Lobby")
# Each player's room is just their unique request debugrmation for now
# Later on, when they are ready, they will enter their game's room
join_room(my_request.sid)
def start_gameplay(jsn):
"""Recieved when one player's game is loaded, so they are ready to start
playing. Gameplay starts after both players send this message.
"""
game_id = jsn["gameId"]
requester_sid = request.sid
logger.debug("player: " + requester_sid + " loaded the game " + game_id)
db.write_connection_event(requester_sid, 'Game Loaded')
try:
game = live_games[game_id]
except KeyError:
logger.error('Game ' + str(game_id) + ' not found in live games')
return
if jsn['character'] == 'Human':
game.set_human_loaded()
partner_room = game.agent_room()
elif jsn['character'] == 'Agent':
game.set_agent_loaded()
partner_room = game.human_room()
else:
raise ValueError('Unrecognized character type: ' + jsn['character'])
if game.both_loaded():
# need both players to be in the same room so we can send the
# start msg in one emit, to get each player to recieve the message
# as close to the same time as possible
join_room(partner_room)
logger.debug('sending start game play to my partner')
emit('startGamePlay', room=partner_room)
leave_room(partner_room)
db.write_first_turn(game_id)
def changed_focus(jsn):
focus = jsn['data']
db.write_connection_event(request.sid, 'Changed Focus to ' + str(focus))
def complete_tutorial(jsn):
sid = request.sid
db.mark_tutorial_complete(sid, jsn['isLeader'], jsn['workerId'],
jsn['assignmentId'])
db.write_connection_event(sid, "Tutorial Complete")
def verify_passcode(jsn):
db.update_client_info(request.sid, PASSID, '', 'Passcode Connection')
db.write_connection_event(request.sid, "Passcode Used")
emit('checkPasscode', {'valid': jsn['passcode'] == PASSID})
def match_human_players():
if lobby_clients.qsize() >= 2:
try:
client_1 = lobby_clients.get()
except queue.Empty as e:
logger.debug("Couldn't get client 1 in human-human match, " + str(e))
return
try:
client_2 = lobby_clients.get()
except queue.Empty as e:
logger.debug("Couldn't get client 2 in human-human match, " + str(e))
lobby_clients.put(client_1)
return
# If one of them isn't there anymore, remove (put the other one back)
if not (lobby_clients_active[client_1[1].sid] and lobby_clients_active[client_2[1].sid]):
logger.debug("Pair between " + client_1[1].sid + " and " + client_2[1].sid +
" didn't work; removing one or both of them")
if lobby_clients_active[client_1[1].sid]:
lobby_clients.put(client_1)
elif lobby_clients_active[client_2[1].sid]:
lobby_clients.put(client_2)
return
if client_1[1].sid == client_2[1].sid:
# It is possible they can match with themselves in the case
# that they time out and restart from the same page. Avoid this
# by removing a client if it has the same sid.
# This only happens because the player joins the lobby twice from the
# same sid (we don't make them reload the page to return to the
# lobby). lobby_clients_active is updated to True for the second
# time they join the lobby, so for both clients in the lobby, they
# are considered active (the only thing different between the two
# clients is the time they entered, which we don't want to require
# for lookups in lobby_clients_active). Return the one to the
# queue that has waited shorter (i.e., the one that just joined).
lobby_clients.put(client_2)
return
client_1_waittime = time.time() - client_1[0] - SERVER_START_TIME
client_2_waittime = time.time() - client_2[0] - SERVER_START_TIME
client_1 = client_1[1]
client_2 = client_2[1]
lobby_clients_active[client_1.sid] = False
lobby_clients_active[client_2.sid] = False
db.write_connection_event(client_1.sid, "Matched With Partner")
db.write_connection_event(client_2.sid, "Matched With Partner")
# pair them up
# guaranteed to be free of collisions and we don't need ordering on
# game IDs so just use uuid
game_id = str(uuid.uuid4().hex)
game_seed = random.randint(0, pow(2, 30))
print('game seed: ' + str(game_seed))
logger.debug('game seed: ' + str(game_seed))
num_cards = 21
character_1 = "Human" if game_seed % 2 == 0 else "Agent"
character_2 = "Agent" if character_1 == "Human" else "Human"
if character_1 == "Human":
game = GameData(game_seed,
game_id,
num_cards,
human=client_1,
agent=client_2,
using_agent=False)
else:
game = GameData(game_seed,
game_id,
num_cards,
human=client_2,
agent=client_1,
using_agent=False)
live_games[game_id] = game
logger.debug("starting game #" + str(game_id) + " with seed " + str(game_seed) + " and worker ids "
+ client_1.worker_id + " / " + client_2.worker_id)
logger.debug("client 1 (" + str(client_1) + " waited for " + str(client_1_waittime) + " s")
logger.debug("client 2 (" + str(client_2) + " waited for " + str(client_2_waittime) + " s")
# Initialize the game for both players, and also say that the lobby
# is ready (players matched) -- this will play the audio reminder
# For now, each player is in a room corresponding to their sid.
# But later they will go into a room corresponding to the game, so
# movement communication is easier.
socketio.emit('initGame',
{'character': character_1,
'gameId': game_id,
'seed': game_seed,
'num_cards': num_cards},
room=client_1.sid)
socketio.emit('lobbyReady',
room=client_1.sid)
socketio.emit('initGame',
{'character': character_2,
'gameId': game_id,
'seed': game_seed,
'num_cards': num_cards},
room=client_2.sid)
socketio.emit('lobbyReady',
room=client_2.sid)
db.write_game_start(game)
# Switch the mode
if MATCH_MODE == MatchMode.HUMAN_AND_AGENT:
CURRENT_MATCH_MODE.use_human = False
logger.debug('Switching to matching with human: ' + str(CURRENT_MATCH_MODE.use_human))
def match_human_with_agent():
# Don't allow more than N concurrent games
if len(live_games) >= 30:
if lobby_clients.qsize() > LOGGED_OVER_CAPACITY.num_connected:
logger.debug("New maximum connections reached: %r" % lobby_clients.qsize())
LOGGED_OVER_CAPACITY.num_connected = lobby_clients.qsize()
elif lobby_clients.qsize() < LOGGED_OVER_CAPACITY.num_connected:
logger.debug("Number of connections lowered: %r" % lobby_clients.qsize())
LOGGED_OVER_CAPACITY.num_connected = lobby_clients.qsize()
return
if lobby_clients.qsize() >= 1 and agent_clients.qsize() >= 1:
try:
human_client = lobby_clients.get()
except queue.Empty as e:
logger.debug("Couldn't get human in human-agent match, " + str(e))
return
try:
agent_client = agent_clients.get()
except queue.Empty as e:
logger.debug("Couldn't get agent in human-agent match, " + str(e))
lobby_clients.put(human_client)
return
# If one of them isn't there anymore, remove (put the other one back)
if not (lobby_clients_active[human_client[1].sid] and agent_clients_active[agent_client[1].sid]):
logger.debug("Pair between " + human_client[1].sid + " and " + agent_client[1].sid +
" didn't work; removing one or both of them")
if lobby_clients_active[human_client[1].sid]:
lobby_clients.put(human_client)
elif agent_clients_active[agent_client[1].sid]:
agent_clients.put(agent_client)
return
if human_client[1].sid == agent_client[1].sid:
raise ValueError('Agent and human client sid should never be the same!' + str(human_client[1].sid))
client_1_waittime = time.time() - human_client[0] - SERVER_START_TIME
client_2_waittime = time.time() - agent_client[0] - SERVER_START_TIME
human_client = human_client[1]
agent_client = agent_client[1]
lobby_clients_active[human_client.sid] = False
agent_clients_active[agent_client.sid] = False
db.write_connection_event(human_client.sid, "Matched With Partner")
db.write_connection_event(agent_client.sid, "Matched With Partner")
# pair them up
# guaranteed to be free of collisions and we don't need ordering on
# game IDs so just use uuid
game_id = str(uuid.uuid4().hex)
game_seed = random.randint(0, pow(2, 30))
num_cards = 21
game = GameData(game_seed,
game_id,
num_cards,
human=human_client,
agent=agent_client,
using_agent=True)
live_games[game_id] = game
logger.debug("starting game #" + str(game_id) + " with seed " + str(game_seed) + " and worker ids "
+ human_client.worker_id + " / " + agent_client.worker_id)
logger.debug("client 1 (" + str(human_client) + " waited for " + str(client_1_waittime) + " s")
logger.debug("client 2 (" + str(agent_client) + " waited for " + str(client_2_waittime) + " s")
# Initialize the game for both players, and also say that the lobby
# is ready (players matched) -- this will play the audio reminder
# For now, each player is in a room corresponding to their sid.
# But later they will go into a room corresponding to the game, so
# movement communication is easier.
socketio.emit('initGame',
{'character': 'Human',
'gameId': game_id,
'seed': game_seed,
'num_cards': num_cards},
room=human_client.sid)
socketio.emit('lobbyReady',
room=human_client.sid)
socketio.emit('initGame',
{'character': 'Agent',
'gameId': game_id,
'seed': game_seed,
'num_cards': num_cards},
room=agent_client.sid)
socketio.emit('lobbyReady',
room=agent_client.sid)
db.write_game_start(game)
# Switch the mode
if MATCH_MODE == MatchMode.HUMAN_AND_AGENT:
CURRENT_MATCH_MODE.use_human = True
logger.debug('Switching to matching with human: ' + str(CURRENT_MATCH_MODE.use_human))
def disconnectEvent():
"""Recieved when a client exits from their game."""
db.disconnect_client(request.sid, 'Disconnected')
db.write_connection_event(request.sid, "Disconnected")
if request.sid in lobby_clients_active and lobby_clients_active[
request.sid]: # If was in the lobby,
logger.debug('Lobby client ' + request.sid + ' disconnected')
db.write_connection_event(request.sid, "Disconnected from Lobby")
db.disconnect_client(request.sid, 'Disconnected from Lobby')
lobby_clients_active[request.sid] = False
return
# Find the game that this request was connected to
request_is_human = False
found_game = None
for game_id, game in live_games.items():
if game.human.sid == request.sid:
request_is_human = True
found_game = game
logger.debug('Requester ' + request.sid + ' was human in game ' +
str(game_id))
break
elif not game.using_agent and game.agent.sid == request.sid:
found_game = game
logger.debug('Requester ' + request.sid + ' was agent in game ' +
str(game_id))
break
if not found_game:
return
# Log that they exited prematurely
game_id = found_game.game_id
if request_is_human:
if found_game.using_agent:
logger.debug('Removing game ' + str(game_id) +
' from live games; human from agent-human game.')
db.disconnect_client(request.sid, 'Disconnected After Game')
db.write_connection_event(request.sid, "Quit Game")
# Check if in live games first -- might not be anymore if the partner
# concurrently ended the game
kill_agent(game_id)
if game_id in live_games:
# Get the agent ID
live_games.pop(game_id)
else:
if found_game.agent_quit:
logger.debug('Removing game ' + str(game_id) +
' from live games; both people quit.')
db.disconnect_client(request.sid, 'Disconnected After Game')
db.write_connection_event(request.sid, "Quit Game")
# Check if in live games first -- might not be anymore if the partner
# concurrently ended the game
if game_id in live_games:
live_games.pop(game_id)
else:
logger.debug('Agent from game ' + str(game_id) +
' is still there.')
found_game.set_human_quit()
# Notify the agent that their partner left. Use the sid, rather than
# the game room, because they may not have pressed that they are
# ready yet.
emit('partnerLeft', room=found_game.agent.sid)
# If the game hasn't started, remove it.
if not found_game.both_loaded():
logger.debug(
"Completely removed game " + str(game_id) +
" because it has not started or loaded for both players."
)
live_games.pop(game_id)
db.disconnect_client(request.sid,
'Disconnected Before Loading Game')
db.write_connection_event(
request.sid, "Quit Game Prematurely (Before Loading)")
else:
db.disconnect_client(request.sid,
'Disconnected During Game')
db.write_connection_event(
request.sid, "Quit Game Prematurely (Ongoing Game)")
else:
if found_game.using_agent:
raise ValueError(
'(game ID: ' + str(game_id) +
' When using the agent, the requester who disconnects should be a human.'
)
if found_game.human_quit:
logger.debug('Removing game ' + str(game_id) +
' from live games; both people quit.')
db.disconnect_client(request.sid, 'Disconnected After Game')
db.write_connection_event(request.sid, "Quit Game")
# Check if in live games first -- might not be anymore if the partner
# concurrently ended the game
if game_id in live_games:
live_games.pop(game_id)
else:
logger.debug('Human from game ' + str(game_id) +
' is still there.')
found_game.set_agent_quit()
# Notify the agent that their partner left.
emit('partnerLeft', room=found_game.human.sid)
# If the game hasn't started, remove it.
if not found_game.both_loaded():
logger.debug(
"Completely removed game " + str(game_id) +
" because it has not started or loaded for both players.")
live_games.pop(game_id)
db.disconnect_client(request.sid,
'Disconnected Before Loading Game')
db.write_connection_event(
request.sid, "Quit Game Prematurely (Before Loading)")
else:
db.disconnect_client(request.sid, 'Disconnected During Game')
db.write_connection_event(
request.sid, "Quit Game Prematurely (Ongoing Game)")