gemini_simulator.py
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#!/usr/bin/env python3
import sys
#from device_controller.concrete_component.sbig.server_udp_or_tcp_sbig import get_SocketServer_UDP_TCP_sbig
from device_controller.abstract_component.device_simulator import DeviceSimulator, UnknownCommandException
#HOST = "localhost"
#from device_controller.concrete_component.device_simulator_common.server_udp_or_tcp import get_SocketServer_UDP_TCP
from device_controller.channels.server_udp_or_tcp import get_SocketServer_UDP_TCP
###STAMP = '01000000'
#STAMP = '0100000000000000'
#HOST, PORT = "localhost", 11110
#HOST, PORT = "localhost", 9999
#HOST, PORT = "localhost", 20001
'''
# stamp is 8 digits long
STAMP_LENGTH = 8
# COMMON CONSTANTS WITH CLIENT
TERMINATOR = '\x00'
COMMAND5 = '050000'
#COMMAND6_SIMPLE = '6'
COMMAND6 = '\x00\x06\x00'
'''
class Memo:
@classmethod
def get(cls, var):
return cls._variables[var]
@classmethod
def set(cls, var, value):
cls._variables[var] = value
_variables = {
"C" : '10/10/19',
"L" : '10:20:36',
"g" : '+10',
"t" : '+45:00:00',
}
# Voir https://stackoverflow.com/questions/10085996/shutdown-socketserver-serve-forever-in-one-thread-python-application
#class DeviceSimulatorTelescopeGemini(DeviceSimulator):
class DS_Gemini(DeviceSimulator):
#with socketserver_type((HOST, PORT), MyUDPorTCPHandler_classic) as myserver:
# @override
@classmethod
def serve_forever(cls, PORT):
super().serve_forever(PORT, get_SocketServer_UDP_TCP_gemini)
def getp(): return DS_Gemini._protoc
def getc(): return DS_Gemini._gen2nat_cmds
# @override superclass method
def make_answer_for_request(request_bytes:bytes):
#if request == STAMP + ":GD#": return STAMP + "+12:28"
#if request == b'0100000000000000:GD#': return bytes(STAMP + "+12:28", "utf-8")
print("(SIM Gemini) Request received is", request_bytes)
'''
3 types of commands:
- TYPE1: '06' or '050000'
- TYPE2: ':cde#' (mainly ':??#' - i.e : ':GD#', ':GR#', ...)
- TYPE3: 'b?#' (bC# = Cold Start, bW# = selecting Warm Start, bR# = selecting Warm Restart)
'''
# Convert to string
request = request_bytes.decode("utf-8")
if len(request) < getp().STAMP_LENGTH+2+1: raise UnknownCommandException(request)
# Remove TERMINATOR
request = request[0:-1]
# Remove leading stamp
stamp = request[0:getp().STAMP_LENGTH]
command = request[getp().STAMP_LENGTH:]
print("(SIM Gemini) Command received is", repr(command))
# TYPE1
if command not in (getp().COMMAND5, getp().COMMAND6):
# TYPE2 or 3
if len(command) < 3: raise UnknownCommandException()
if not (command[-1]=='#'): raise UnknownCommandException()
if not (command[0]==':') and command not in ('bC#','bW#','bR#'): raise UnknownCommandException()
command_start = command[1:3]
if command == getp().COMMAND6: answer = "G"
elif command == getp().COMMAND5: answer = getp().COMMAND5
#gr_request = STAMP + ':GR#' + END
#return bytes(stamp + "15:01:48#" + TERMINATOR, "utf-8")
elif command == ':GR#': answer = "15:01:49"
#gd_request = STAMP + ':GD#' + END
#if request == bytes(gd_request, "utf-8"): return bytes(STAMP + "+12:28#", "utf-8")
#elif useful_request == 'GD': answer = "+12:28"
elif command == ':GD#': answer = "+12:29"
elif command == ':SG+00#': answer = "1"
elif command == ':GG#': answer = "+00"
elif command_start == 'Gv': answer = 'T'
elif command_start in ('GC','GL', 'Gg', 'Gt'):
answer = Memo.get(command_start[1])
##answer = getc().get_answer_for_native_command(command_start)
print("****** (SIM Gemini) answer for native cmd", command_start, "is:", getc().get_simulated_answer_for_native_cmd(command_start))
# Gemini telescope replaces "*" with ":"
if command_start in ('Gg','Gt'): answer = answer.replace('*',':')
else:
# Remove ending '#'
command = command[0:-1]
##if command_start in ('SC', 'SL', 'Sg', 'St'): Memo.set(command_start[1],command[3:])
if command_start in ('SC', 'SL', 'Sg', 'St'): Memo.set(command_start[1],command[3:])
if command[0] == ':': command = command[1:]
answer = command.upper()
full_answer_in_bytes = bytes(stamp + answer + '#' + getp().TERMINATOR, "utf-8")
#print("request str upper is", str(request).upper())
print("(SIM Gemini) Answer sent is", full_answer_in_bytes)
return full_answer_in_bytes
def get_SocketServer_UDP_TCP_gemini(myhost:str="localhost", myport:int=11110, PROTOCOL:str="TCP"):
#return get_SocketServer_UDP_TCP(myhost, myport, PROTOCOL)
# Default simulator using default make_answer_for_request() function
return get_SocketServer_UDP_TCP(myhost, myport, PROTOCOL)
# Specific simulator using the make_answer_for_request() function
##return get_SocketServer_UDP_TCP(myhost, myport, PROTOCOL, make_answer_for_request)