wot/server.py

94 lines
2.5 KiB
Python

# import from chunks, dbchunkpool
import json
import threading
from SimpleWebSocketServer import SimpleWebSocketServer, WebSocket
from utils import Position
from chunks import ChunkDiff
from dbchunkpool import DBChunkPool
pool = DBChunkPool()
clients = []
class WotServer(WebSocket):
def handle_request_chunks(self, coords):
changes = []
with pool:
for coor in coords:
pos = Position(coor[0], coor[1])
change = pool.get(pos) or pool.create(pos)
dchange = change.as_diff().to_dict()
changes.append((pos, dchange))
self.loaded_chunks.add(pos)
message = {"type": "apply-changes", "data": changes}
self.sendMessage(json.dumps(message))
def handle_unload_chunks(self, coords):
for coor in coords:
pos = Position(coor[0], coor[1])
if pos in self.loaded_chunks:
self.loaded_chunks.remove(pos)
def handle_save_changes(self, dchanges):
changes = []
for chunk in dchanges:
#print("CHUNK!", chunk)
pos = Position(chunk[0][0], chunk[0][1])
change = ChunkDiff.from_dict(chunk[1])
changes.append((pos, change))
with pool:
pool.apply_changes(changes)
for client in clients:
if client:
client.send_changes(changes)
def send_changes(self, changes):
dchanges = []
for chunk in changes:
pos = chunk[0]
change = chunk[1]
if pos in self.loaded_chunks:
dchanges.append((pos, change.to_dict()))
if dchanges:
message = {"type": "apply-changes", "data": dchanges}
self.sendMessage(json.dumps(message))
def handleMessage(self):
message = json.loads(self.data)
if message["type"] == "request-chunks":
self.handle_request_chunks(message["data"])
elif message["type"] == "unload-chunks":
self.handle_unload_chunks(message["data"])
elif message["type"] == "save-changes":
self.handle_save_changes(message["data"])
def handleConnected(self):
self.loaded_chunks = set()
try:
i = clients.index(None)
clients[i] = self
except ValueError:
clients.append(self)
i = len(clients) - 1
graphstr = "".join(["" if j == i else ("" if v else " ") for j, v in enumerate(clients)])
print(f"{graphstr} {self.address[0]}")
def handleClose(self):
i = clients.index(self)
graphstr = "".join(["" if j == i else ("" if v else " ") for j, v in enumerate(clients)])
print(f"{graphstr} {self.address[0]}")
clients[i] = None
while clients and not clients[-1]:
clients.pop()
server = SimpleWebSocketServer('', 8000, WotServer)
server.serveforever()