PiScan/client/py/client.py

277 lines
9.5 KiB
Python

#!/usr/bin/python3
import sys, getopt
from PySide2 import QtWidgets
from PySide2.QtUiTools import QUiLoader
from PySide2.QtWidgets import *
from PySide2.QtCore import *
from socket import *
from threading import Thread
from time import sleep
import common
import constants
import connect
import dialogs
import scanner
sys.path.insert(1, '../../proto')
import messages_pb2
import context_pb2
import request_pb2
import google.protobuf.message as proto
class PiScanClient(QWidget, common.AppInterface):
dataReceived = Signal(bytes)
def __init__(self, parent=None, address=None, port=None):
super(PiScanClient, self).__init__(parent)
common.setInstance(self)
ui_file = 'scan_client.ui'
ui_file = QFile(ui_file)
ui_file.open(QFile.ReadOnly)
loader = QUiLoader()
self.window = loader.load(ui_file)
ui_file.close()
self.parentWindow = parent
#layout = QGridLayout(self)
#layout.setContentsMargins(0, 0, 0, 0)
#layout.addWidget(self.window)
self.dataReceived.connect(self.handleReceived)
self.connectDialog = connect.ConnectDialog(self.window, address, port)
self.scanner = scanner.Scanner(self.window)
self.dialogs = dialogs.Dialogs(self.window)
self.contextStack = self.window.findChild(QStackedWidget, 'contextStack')
#self.setWindowMode(common.WindowMode.CONNECT)
self.showConnectDialog()
#self.setWindowMode(common.WindowMode.SCANNER)
#self.window.show()
self.inmsg = messages_pb2.ServerToClient()
def mainWidget(self):
return self.window
def setWindowMode(self, mode):
self.mode = mode
self.contextStack.setCurrentIndex(mode.value)
def showDialog(self, dialog):
self.dialogs.setDialog(dialog)
self.setWindowMode(common.WindowMode.DIALOG)
def receive(self):
while True:
try:
data = self.sock.recv(2048)
self.dataReceived.emit(data)
except:
e = sys.exc_info()[0]
self.showConnectDialog(repr(e))
break
print("Closing connection")
def handleReceived(self, data):
self.inmsg.ParseFromString(data)
self.decodeMessage(message=self.inmsg)
def decodeMessage(self, message):
#print(message)
if message.WhichOneof('content') == 'systemInfo':
print('system info')
self.scanner.setSquelchRange(message.systemInfo.squelchScaleMin, message.systemInfo.squelchScaleMax)
for mode in message.systemInfo.supportedModulations:
self.dialogs.manualEntry.addModulation(mode)
elif message.type == messages_pb2.ServerToClient.Type.Value('SCANNER_CONTEXT'):
print('scanner context')
self.scanner.updateScanContext(message.scannerContext)
if self.contextWait:
self.setWindowMode(common.WindowMode.SCANNER)
self.contextWait = False
elif message.type == messages_pb2.ServerToClient.Type.Value('DEMOD_CONTEXT'):
print('demod context')
self.scanner.updateDemodContext(message.demodContext)
#elif message.type == messages_pb2.ServerToClient.Type.Value('GENERAL_MESSAGE'):
elif message.WhichOneof('content') == 'signalLevel':
self.scanner.updateSignalIndicator(message.signalLevel.level)
def closeEvent(self, event):
print('Exiting...')
try:
if self.sock:
self.sock.close()
#self.rcv_thread.join()
except:
pass
## AppInterface methods
#def attemptConnection(self, sock):
def completeConnection(self, sock):
self.sock = sock
self.rcv_thread = Thread(target=self.receive)
self.rcv_thread.start()
self.contextWait = True
self.connectDialog.contextWait()
sleep(1) ## TODO sync issue - the responses are received before the application is ready to process them
message1 = messages_pb2.ClientToServer()
message1.type = messages_pb2.ClientToServer.Type.Value('GENERAL_REQUEST')
message1.generalRequest.type = request_pb2.GeneralRequest.RequestType.Value('SCANNER_CONTEXT')
self.sock.send(message1.SerializeToString())
sleep(0.25)
message2 = messages_pb2.ClientToServer()
message2.type = messages_pb2.ClientToServer.Type.Value('GENERAL_REQUEST')
message2.generalRequest.type = request_pb2.GeneralRequest.RequestType.Value('DEMOD_CONTEXT')
self.sock.send(message2.SerializeToString())
sleep(0.25)
message3 = messages_pb2.ClientToServer()
message3.type = messages_pb2.ClientToServer.Type.Value('GENERAL_REQUEST')
message3.generalRequest.type = request_pb2.GeneralRequest.RequestType.Value('SYSTEM_INFO')
self.sock.send(message3.SerializeToString())
def scan(self):
message = messages_pb2.ClientToServer()
message.type = messages_pb2.ClientToServer.Type.Value('SCANNER_STATE_REQUEST')
message.scanStateRequest.state = request_pb2.ScannerStateRequest.NewState.Value('SCAN')
self.sock.send(message.SerializeToString())
def hold(self):
message = messages_pb2.ClientToServer()
message.type = messages_pb2.ClientToServer.Type.Value('SCANNER_STATE_REQUEST')
message.scanStateRequest.state = request_pb2.ScannerStateRequest.NewState.Value('HOLD')
self.sock.send(message.SerializeToString())
def manualEntry(self, frequency, modulation):
message = messages_pb2.ClientToServer()
message.type = messages_pb2.ClientToServer.Type.Value('SCANNER_STATE_REQUEST')
message.scanStateRequest.state = request_pb2.ScannerStateRequest.NewState.Value('MANUAL')
message.scanStateRequest.manFreq = frequency
message.scanStateRequest.manModulation = modulation
self.sock.send(message.SerializeToString())
def showConnectDialog(self, errorMessage = ''):
self.clearWindowTitleInfo()
self.connectDialog.connectFailed(errorMessage)
self.setWindowMode(common.WindowMode.CONNECT)
def showManualEntryDialog(self):
self.lastMode = self.mode
self.showDialog(common.DialogMode.MANUAL_ENTRY)
def showEditEntryDialog(self):
self.lastMode = self.mode
self.showDialog(common.DialogMode.EDIT_ENTRY)
def showEntryBrowser(self):
self.lastMode = self.mode
self.showDialog(common.DialogMode.SYSTEM_BROWSER)
def showSettingsDialog(self):
self.lastMode = self.mode
self.showDialog(common.DialogMode.SYSTEM_SETTINGS)
def setGain(self, value):
message = messages_pb2.ClientToServer()
message.type = messages_pb2.ClientToServer.Type.Value('DEMOD_REQUEST')
message.demodRequest.type = request_pb2.DemodRequest.DemodFunc.Value('SET_GAIN')
message.demodRequest.level = value
self.sock.send(message.SerializeToString())
def setSquelch(self, value):
message = messages_pb2.ClientToServer()
message.type = messages_pb2.ClientToServer.Type.Value('DEMOD_REQUEST')
message.demodRequest.type = request_pb2.DemodRequest.DemodFunc.Value('SET_SQUELCH')
message.demodRequest.level = value
self.sock.send(message.SerializeToString())
def dialogClosed(self):
self.setWindowMode(self.lastMode)
def tryConnect(self, address, port):
self.connectDialog.tryConnect(address, port)
def setWindowTitleInfo(self, message):
if isinstance(self.parentWindow, QtWidgets.QMainWindow):
self.parentWindow.setWindowTitle('PiScan | ' + message)
else:
self.setWindowTitle('PiScan | ' + message)
def clearWindowTitleInfo(self):
if isinstance(self.parentWindow, QtWidgets.QMainWindow):
self.parentWindow.setWindowTitle('PiScan')
else:
self.setWindowTitle('PiScan')
class HostWindow(QtWidgets.QMainWindow):
def __init__(self, parent=None, address=None, port=None):
super(HostWindow, self).__init__(parent)
form = PiScanClient(self, address, port)
mainWidget = form.mainWidget()
self.setPalette(mainWidget.palette())
self.setGeometry(mainWidget.geometry())
self.setWindowTitle(mainWidget.windowTitle())
self.setCentralWidget(mainWidget)
#self.actionQuit.triggered.connect(self.closeEvent)
#self.show()
if address:
if not port:
port = constants.DEFAULT_TCP_PORT
form.tryConnect(address, port)
def closeEvent(self, event):
print('exit')
common.getApp().closeEvent(event)
event.accept()
if __name__ == '__main__':
shortOpts = 'la:p:w'
longOpts = ['--local', '--address', '--port', '--pi_mode']
options, remainder = getopt.getopt(sys.argv[1:], shortOpts, longOpts)
address = None
port = None
piMode = False
for opt, arg in options:
if opt in ('-l', '--local'):
address = 'localhost'
elif opt in ('-a', '--address'):
address = arg
elif opt in ('-p', '--port'):
port = int(arg)
elif opt in ('-w', '--pi_mode'):
piMode = True
app = QApplication(sys.argv)
window = HostWindow(address=address, port=port)
if piMode:
flags = Qt.WindowFlags(Qt.CustomizeWindowHint | Qt.FramelessWindowHint | Qt.Tool)
window.setWindowFlags(flags)
window.showMaximized()
else:
window.show()
sys.exit(app.exec_())