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Code Issues Projects Releases Packages Wiki Activity Actions 6

Connection now correctly uses connection state

Browse source 
CURA-49
This commit is contained in:
Jaime van Kessel 2016-04-19 10:51:24 +02:00
parent 2a90c76cb8
commit 404ea89ff7
2 changed files with 27 additions and 16 deletions
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21
NetworkPrinterOutputDevice.py
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@ -3,7 +3,6 @@ import time
import requests
from UM.i18n import i18nCatalog
from UM.Signal import Signal
from UM.Application import Application
from UM.Logger import Logger
@ -11,7 +10,7 @@ from cura.PrinterOutputDevice import PrinterOutputDevice, ConnectionState
i18n_catalog = i18nCatalog("cura")
## Network connected (wifi / lan) printer that uses the Ultimaker API
class NetworkPrinterOutputDevice(PrinterOutputDevice):
def __init__(self, key, address, info):
super().__init__(key)
@ -21,7 +20,6 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
self._http_lock = threading.Lock()
self._http_connection = None
self._file = None
self._do_update = True
self._thread = None
self._json_printer_state = None
@ -37,16 +35,26 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
return self._key
def _update(self):
while self._connection_state == ConnectionState.connected or self._connection_state == ConnectionState.busy:
Logger.log("d", "Update thread of printer with key %s and ip %s started", self._key, self._address)
while self.isConnected():
try:
reply = self._httpGet("printer")
if reply.status_code == 200:
self._json_printer_state = reply.json()
if self._connection_state == ConnectionState.connecting:
# First successful response, so we are now "connected"
self.setConnectionState(ConnectionState.connected)
else:
self.setConnectionState(ConnectionState.error)
except:
self.setConnectionState(ConnectionState.error)
time.sleep(1) # Poll every second for printer state.
Logger.log("d", "Update thread of printer with key %s and ip %s stopped", self._key, self._address)
## Convenience function that gets information from the recieved json data and converts it to the right internal
# values / variables
def _spliceJsonData(self):
pass
def close(self):
self._connection_state == ConnectionState.closed
@ -56,10 +64,13 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
self._file = getattr(Application.getInstance().getController().getScene(), "gcode_list")
self.startPrint()
def isConnected(self):
return self._connection_state != ConnectionState.closed and self._connection_state != ConnectionState.error
## Start the polling thread.
def connect(self):
if self._thread is None:
self._do_update = True
self.setConnectionState(ConnectionState.connecting)
self._thread = threading.Thread(target = self._update)
self._thread.daemon = True
self._thread.start()