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server: moved code generation from client to server to avoid code collision

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karolina
2025-07-04 10:57:24 +02:00
parent 68a152af42
commit f4a7fb722e
4 changed files with 79 additions and 65 deletions
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components/web_client_tcp.gd
+5 -16
View File
@@ -70,10 +70,13 @@ func _handle_response(response: String) -> void:
match data["response"]:
"create_lobby":
if data["status"] == "ok":
_lobby_id = data["lobby_id"]
_client_id = data["client_id"]
connected_to_lobby.emit.call_deferred(_lobby_id)
connection_status_changed.emit.call_deferred(ConnectionStatus.JOINED)
"join_lobby":
if data["status"] == "ok":
_client_id = data["client_id"]
connected_to_lobby.emit.call_deferred(_lobby_id)
connection_status_changed.emit.call_deferred(ConnectionStatus.JOINED)
"client_joined_lobby":
@@ -103,18 +106,15 @@ func disconnect_from_server() -> void:
connection_status_changed.emit(ConnectionStatus.DISCONNECTED)
func create_lobby(client_name: String) -> void:
_lobby_id = _generate_code()
_client_id = _generate_code()
_client_name = client_name
_send_message(TCPMessages.create_lobby(_lobby_id, _client_id, client_name))
_send_message(TCPMessages.create_lobby(client_name))
func join_lobby(lobby_id: String, client_name: String) -> void:
_lobby_id = lobby_id
_client_id = _generate_code()
_client_name = client_name
_send_message(TCPMessages.join_lobby(_lobby_id, _client_id, client_name))
_send_message(TCPMessages.join_lobby(_lobby_id, client_name))
func leave_lobby() -> void:
_send_message(TCPMessages.leave_lobby(_lobby_id, _client_id))
@@ -128,14 +128,3 @@ func leave_lobby() -> void:
func _send_message(message: String) -> void:
_tcp.put_data(message.to_utf8_buffer())
func _generate_code() -> String:
# use a local randomized RNG to keep the global RNG reproducible
var rng = RandomNumberGenerator.new()
rng.randomize()
var length = 6
var result = ''
for _n in range(length):
var ascii = rng.randi_range(0, 25) + 65
result += '%c' % ascii
return result
game.tscn
+24 -31
View File
@@ -12,71 +12,64 @@ font_weight = 500
[node name="WebClientTCP" type="Node" parent="."]
script = ExtResource("1_feb5d")
[node name="ClientInterface" type="Control" parent="." node_paths=PackedStringArray("client", "connect_button", "create_lobby_button", "join_lobby_button", "leave_lobby_button", "name_input", "lobby_code_input", "output")]
layout_mode = 3
anchors_preset = 15
anchor_right = 1.0
[node name="ClientInterface" type="ColorRect" parent="." node_paths=PackedStringArray("client", "connect_button", "create_lobby_button", "join_lobby_button", "leave_lobby_button", "name_input", "lobby_code_input", "output")]
anchors_preset = 9
anchor_bottom = 1.0
grow_horizontal = 2
offset_right = 362.0
grow_vertical = 2
color = Color(0.26, 0.2236, 0.230273, 1)
script = ExtResource("2_e2o6t")
client = NodePath("../WebClientTCP")
connect_button = NodePath("HBoxContainer/VBoxContainer/ConnectButton")
create_lobby_button = NodePath("HBoxContainer/VBoxContainer/CreateLobbyButton")
join_lobby_button = NodePath("HBoxContainer/VBoxContainer/JoinLobbyButton")
leave_lobby_button = NodePath("HBoxContainer/VBoxContainer/LeaveLobbyButton")
name_input = NodePath("HBoxContainer/VBoxContainer/NameInput")
lobby_code_input = NodePath("HBoxContainer/VBoxContainer/LobbyCodeInput")
output = NodePath("HBoxContainer/Output")
connect_button = NodePath("VBoxContainer/VBoxContainer/ConnectButton")
create_lobby_button = NodePath("VBoxContainer/VBoxContainer/CreateLobbyButton")
join_lobby_button = NodePath("VBoxContainer/VBoxContainer/JoinLobbyButton")
leave_lobby_button = NodePath("VBoxContainer/VBoxContainer/LeaveLobbyButton")
name_input = NodePath("VBoxContainer/VBoxContainer/NameInput")
lobby_code_input = NodePath("VBoxContainer/VBoxContainer/LobbyCodeInput")
output = NodePath("VBoxContainer/Output")
[node name="ColorRect" type="ColorRect" parent="ClientInterface"]
[node name="VBoxContainer" type="VBoxContainer" parent="ClientInterface"]
layout_mode = 1
anchors_preset = 15
anchor_right = 1.0
anchor_bottom = 1.0
grow_horizontal = 2
grow_vertical = 2
color = Color(0.34, 0.33116, 0.2992, 1)
[node name="HBoxContainer" type="HBoxContainer" parent="ClientInterface"]
layout_mode = 0
offset_right = 800.0
offset_bottom = 1080.0
[node name="VBoxContainer" type="VBoxContainer" parent="ClientInterface/HBoxContainer"]
[node name="VBoxContainer" type="VBoxContainer" parent="ClientInterface/VBoxContainer"]
custom_minimum_size = Vector2(300, 0)
layout_mode = 2
[node name="ConnectButton" type="Button" parent="ClientInterface/HBoxContainer/VBoxContainer"]
[node name="ConnectButton" type="Button" parent="ClientInterface/VBoxContainer/VBoxContainer"]
layout_mode = 2
text = "Connect to Server"
[node name="NameInput" type="LineEdit" parent="ClientInterface/HBoxContainer/VBoxContainer"]
[node name="NameInput" type="LineEdit" parent="ClientInterface/VBoxContainer/VBoxContainer"]
layout_mode = 2
placeholder_text = "Your Name"
editable = false
[node name="CreateLobbyButton" type="Button" parent="ClientInterface/HBoxContainer/VBoxContainer"]
[node name="CreateLobbyButton" type="Button" parent="ClientInterface/VBoxContainer/VBoxContainer"]
layout_mode = 2
disabled = true
text = "Create Lobby"
[node name="LobbyCodeInput" type="LineEdit" parent="ClientInterface/HBoxContainer/VBoxContainer"]
[node name="LobbyCodeInput" type="LineEdit" parent="ClientInterface/VBoxContainer/VBoxContainer"]
layout_mode = 2
placeholder_text = "Lobby Code"
editable = false
[node name="JoinLobbyButton" type="Button" parent="ClientInterface/HBoxContainer/VBoxContainer"]
[node name="JoinLobbyButton" type="Button" parent="ClientInterface/VBoxContainer/VBoxContainer"]
layout_mode = 2
disabled = true
text = "Join Lobby"
[node name="LeaveLobbyButton" type="Button" parent="ClientInterface/HBoxContainer/VBoxContainer"]
[node name="LeaveLobbyButton" type="Button" parent="ClientInterface/VBoxContainer/VBoxContainer"]
layout_mode = 2
disabled = true
text = "Disconnect"
[node name="Output" type="Label" parent="ClientInterface/HBoxContainer"]
[node name="Output" type="Label" parent="ClientInterface/VBoxContainer"]
custom_minimum_size = Vector2(64, 1)
layout_mode = 2
size_flags_horizontal = 3
@@ -91,7 +84,7 @@ autowrap_mode = 2
[connection signal="connection_status_changed" from="WebClientTCP" to="ClientInterface" method="_on_web_client_tcp_connection_status_changed"]
[connection signal="disconnected_from_lobby" from="WebClientTCP" to="ClientInterface" method="_on_web_client_tcp_disconnected_from_lobby"]
[connection signal="disconnected_from_server" from="WebClientTCP" to="ClientInterface" method="_on_web_client_tcp_disconnected_from_server"]
[connection signal="pressed" from="ClientInterface/HBoxContainer/VBoxContainer/ConnectButton" to="ClientInterface" method="_on_connect_button_pressed"]
[connection signal="pressed" from="ClientInterface/HBoxContainer/VBoxContainer/CreateLobbyButton" to="ClientInterface" method="_on_create_lobby_button_pressed"]
[connection signal="pressed" from="ClientInterface/HBoxContainer/VBoxContainer/JoinLobbyButton" to="ClientInterface" method="_on_join_lobby_button_pressed"]
[connection signal="pressed" from="ClientInterface/HBoxContainer/VBoxContainer/LeaveLobbyButton" to="ClientInterface" method="_on_disconnect_lobby_button_pressed"]
[connection signal="pressed" from="ClientInterface/VBoxContainer/VBoxContainer/ConnectButton" to="ClientInterface" method="_on_connect_button_pressed"]
[connection signal="pressed" from="ClientInterface/VBoxContainer/VBoxContainer/CreateLobbyButton" to="ClientInterface" method="_on_create_lobby_button_pressed"]
[connection signal="pressed" from="ClientInterface/VBoxContainer/VBoxContainer/JoinLobbyButton" to="ClientInterface" method="_on_join_lobby_button_pressed"]
[connection signal="pressed" from="ClientInterface/VBoxContainer/VBoxContainer/LeaveLobbyButton" to="ClientInterface" method="_on_disconnect_lobby_button_pressed"]
globals/tcp_messages.gd
-6
View File
@@ -1,26 +1,20 @@
extends Node
func create_lobby(
lobby_id: String,
client_id: String,
client_name: String,
) -> String:
return JSON.stringify({
"response": "create_lobby",
"lobby_id": lobby_id,
"client_id": client_id,
"client_name": client_name,
})
func join_lobby(
lobby_id: String,
client_id: String,
client_name: String,
) -> String:
return JSON.stringify({
"response": "join_lobby",
"lobby_id": lobby_id,
"client_id": client_id,
"client_name": client_name,
})
server_tcp.py
+50 -12
View File
@@ -1,10 +1,12 @@
import json
import random
import socket
import sys
import threading
# Establishes connections to TCP clients.
def listen() -> None:
print(generate_code())
lobby_manager = LobbyManager()
threads = []
while True:
@@ -21,6 +23,13 @@ def listen() -> None:
def start_listen_client(connection, address, lobby_manager):
ClientConnection(connection, address, lobby_manager)
def generate_code() -> str:
result = ""
for i in range(6):
result += chr(random.randint(0, 25) + 65)
return result
class Lobby:
def __init__(self, lobby_id, host_client_id):
@@ -44,6 +53,26 @@ class LobbyManager:
def get_lobby(self, lobby_id) -> Lobby:
return self.active_lobbies[lobby_id]
def lobby_id_exists(self, lobby_id) -> bool:
return lobby_id in self.active_lobbies
def client_id_exists_in_lobby(self, lobby_id, client_id) -> bool:
if not self.lobby_id_exists(lobby_id):
return False
return client_id in self.active_lobbies[lobby_id].connected_clients
def get_unique_lobby_id(self) -> str:
id = generate_code()
if self.lobby_id_exists(id):
return self.get_unique_lobby_id()
return id
def get_unique_client_id(self, lobby_id) -> str:
id = generate_code()
if self.client_id_exists_in_lobby(lobby_id, id):
return self.get_unique_client_id(lobby_id)
return id
def create_lobby(self, lobby_id, host_client_id) -> None:
self.active_lobbies[lobby_id] = Lobby(lobby_id, host_client_id)
print(f"Created lobby {lobby_id}")
@@ -122,8 +151,8 @@ class ClientConnection:
while True:
data = self.connection.recv(1)
received_data += data.decode("utf-8")
print(received_data)
if received_data[-1] == "}":
print(received_data)
self.process_input(received_data)
received_data = ""
@@ -139,42 +168,51 @@ class ClientConnection:
data_object = json.loads(data)
if data_object["response"] == "create_lobby":
print(data_object["client_id"] + " is creating lobby " + data_object["lobby_id"])
new_lobby_id = self.lobby_manager.get_unique_lobby_id()
new_client_id = self.lobby_manager.get_unique_client_id(new_lobby_id)
print(new_client_id + " is creating lobby " + new_lobby_id)
self.lobby_manager.create_lobby(
data_object["lobby_id"],
data_object["client_id"],
new_lobby_id,
new_client_id,
)
self.lobby_manager.join_lobby(
data_object["lobby_id"],
data_object["client_id"],
new_lobby_id,
new_client_id,
data_object["client_name"],
self.address,
self.connection,
)
self.lobby_manager.send_message(
data_object["lobby_id"],
data_object["client_id"],
new_lobby_id,
new_client_id,
json.dumps({
"response": "create_lobby",
"status": "ok",
"lobby_id": new_lobby_id,
"client_id": new_client_id,
}),
)
elif data_object["response"] == "join_lobby":
print("joining lobby")
lobby_id = data_object["lobby_id"]
new_client_id = self.lobby_manager.get_unique_client_id(lobby_id)
self.lobby_manager.join_lobby(
data_object["lobby_id"],
data_object["client_id"],
lobby_id,
new_client_id,
data_object["client_name"],
self.address,
self.connection,
)
self.lobby_manager.send_message(
data_object["lobby_id"],
data_object["client_id"],
lobby_id,
new_client_id,
json.dumps({
"response": "join_lobby",
"status": "ok",
"client_id": new_client_id,
}),
)