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45 changes: 34 additions & 11 deletions README.md
Original file line number Diff line number Diff line change
@@ -1,21 +1,44 @@
## Client-Server-Kommunikation

- der Client verbindet sich mit dem Server per websocket
- zu Beginn sendet der client seine Platform und version als json zum server:
```json
{"platform":"python", "version":999}
```
- sobald der client in 0 Lage ist ein pixel zu setzen schickt dieser ein `request_pixel` an den server
- der Server antwortet dann mit dem zu setzenden pixel als json, e.g.:
- Der Client verbindet sich mit dem Server per websocket
- Zu Beginn sendet der client seine Platform und version als json zum server:
```json
{
"operation":"pixel",
"data":{
"operation": "handshake",
"data": {
"platform": "python",
"version": 999
}
}
```

- Sollte der Server feststellen, dass der Client eine alte Version verwendet, sendet er diesem eine Update aufforderung zurück:
```json
{
"operation": "notify-update"
}
```

- sobald der client in 0 Lage ist ein pixel zu setzen schickt dieser ein `request-pixel` an den server
```json
{
"operation": "request-pixel",
"user": "<user-id">"
}
```

- der Server antwortet dann mit dem zu setzenden pixel als json, e.g.:
```json
{
"operation": "place-pixel",
"data": {
"x": 0,
"y": 857,
"color": 4,
"priority": 1
}
},
"user": "<user-id">"
}
```
- wenn kein Pixel existiert, wird `null` zurückgesendet.

- wenn kein Pixel existiert, wird `{}` zurückgesendet.
13 changes: 9 additions & 4 deletions application/connections/websocket_server.py
Original file line number Diff line number Diff line change
Expand Up @@ -20,16 +20,18 @@ class Server:
"""
Websocket server, dieser managed die Verbindung zu den client Bots und teilt denen auf Anfrage neue Pixel zu.
"""
__slots__ = ("config", "port", "__server_loop", "__server", "host", "provider", "__client_count")
__slots__ = ("config", "versions", "port", "__server_loop", "__server", "host", "provider", "__client_count")
__client_count: int
config: Dict[str, Any]
versions: {}
port: int
host: str
provider: Canvas

def __init__(self, provider: Canvas, config: Dict[str, Any]):
def __init__(self, provider: Canvas, versions, config: Dict[str, Any]):
self.provider = provider
self.config = config
self.versions = versions
self.port = config.get("port", DEFAULT_PORT)
self.host = config.get("host", DEFAULT_HOST)
self.__server_loop = None
Expand All @@ -49,8 +51,6 @@ async def __handler(self, socket: WebSocketServerProtocol):
bot_count = 0

try:
# TODO: check for update availability.

async for msg in socket:
req = json.loads(msg)

Expand All @@ -69,6 +69,11 @@ async def __handler(self, socket: WebSocketServerProtocol):
await socket.send("{}")

elif req.get("operation") == "handshake":
version = req["data"].get("version", 0)
target_version = self.versions.get(req["data"]["platform"], 0)
if version.isdigit() and version != 0 and target_version != 0 and version < target_version:
await socket.send(json.dumps({"operation": "notify-update"}))

bot_count = abs(req["data"].get("useraccounts", 1))
self.__client_count += bot_count
print(f"{bot_count} New Client(s) connected! New bot count: {self.__client_count}")
Expand Down
3 changes: 3 additions & 0 deletions application/target_configuration/target_configuration.py
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
import random
import time
import asyncio
from typing import Dict

import aiohttp
import requests
Expand All @@ -18,6 +19,7 @@ class TargetConfiguration:
"""

def __init__(self):
self.versions = {}
self.last_update = 0
self.config = {}
self.pixels = []
Expand All @@ -31,6 +33,7 @@ async def get_config(self, ignore_time: bool = False):
self.last_update = time.time()

lst = []
self.versions = self.config["versions"]
priorities = self.config["priorities"]
for s in self.config["structures"].values():
prio = (priorities.get(str(s.get("priority"))) or 0) * random.randint(0, 100) / 100
Expand Down
2 changes: 1 addition & 1 deletion main.py
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
# manage r/place canvas
monalisa = canvas.Canvas(target_configuration)
# server for remote bot connections
server = websocket_server.Server(monalisa, {"host": "0.0.0.0", "port": 8080})
server = websocket_server.Server(monalisa, target_configuration.versions, {"host": "0.0.0.0", "port": 8080})

async def main_loop():
while True:
Expand Down