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scheduler_core.py
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#!/usr/bin/python
# Use following script to generate the mol_pulsars.db file for reading
#psrcat -c "jname s400 s1400 spindx rajd decjd p0 w50 dm raj decj" | awk '{if($1>0 && $4>=100 && $7>=30 && $14<=18) print $2, $24, $27,\
# name ra dec
# $4*(400.0/843.0)**(log($7/$4)/log(400.0/1400.0)), $15, $18, $21}'|awk '{print NR, $0}' > mol_pulsars.txt
# s843 p0 w50 dm
#
# psrcat -c "jname s400 s1400 spindx rajd decjd p0 w50 dm raj decj" | awk '{if($1>0 && $4>=100 && $7>=30 && $14<=18) print $2, $24, $27, $4*(400.0/843.0)**(log($7/$4)/log(400.0/1400.0)), $15, $18, $21, 100, -200, 1,3,30, 300, 120}' > mol_pulsars.txt
#
# Examples:
# jname ra dec s843 p0 w50 dm
#1 J0437-4715 69.31618 -47.25251 252.839 0.005757451924362137 0.1410 2.64476
#2 J0738-4042 114.63470 -40.71137 113.554 0.374919985032 29 160.8
#3 J0835-4510 128.83588 -45.17635 2030.74 0.089328385024 2.1 67.99
#4 J0953+0755 148.28879 7.92660 158.024 0.2530651649482 9.5 2.958
#5 J1136+1551 174.01353 15.85124 74.389 1.187913065936 31.7 4.864
#6 J1456-6843 224.00066 -68.72757 145.422 0.2633768148933 12.5 8.6
#7 J1559-4438 239.92303 -44.64608 60.2493 0.2570560976508 6 56.1
#8 J1644-4559 251.20534 -45.98597 334.839 0.455059775403 8.2 478.8
#9 J1932+1059 293.05812 10.99234 85.2912 0.226517635038 7.4 3.180
#10 J1935+1616 293.94927 16.27777 85.3518 0.3587384107696 9.0 158.521
###############
## Imports ##
###############
import os
import ephem as ep
import numpy as np
import time
import defines
import matplotlib.pyplot as plt
import sqlite3 as lite
import sys
import copy
import threading
import eventlet
from eventlet.green import socket
import lxml.etree as et
import lxml as xml
import MySQLdb as mysql
############################
## Constant definitions ##
############################
# Debug and output
DBG = True
OUT = True
# Molonglo observatory geographic information
# Degree
MOL_LAT_D = -35.37075
MOL_LON_D = 149.424702
# Radian
MOL_LAT_R = np.deg2rad(MOL_LAT_D)
MOL_LON_R = np.deg2rad(MOL_LON_D)
# Elevation
MOL_ELE_M = 735.031
# Pulsar list files
DEFAULT_PULSAR_TXT_FILE = '.'+os.sep+'mol_pulsars.txt'
DEFAULT_STATUS_TXT_FILE = '.'+os.sep+'mol_status.txt'
# SQLite
DEFAULT_PULSAR_DB_FILE = '.'+os.sep+'mol_pulsars.db'
# MySQL
MYSQL_HOST = 'localhost'
MYSQL_USER = 'scheduler'
MYSQL_PASS = 'molonglo'
MYSQL_DB = 'Molonglo'
# Slew rate, degrees per second
EW_SLEW_RATE = 4.0 / 60.0
NS_SLEW_RATE = 5.0 / 60.0
# Antenna slew limitation, degree
E_LIMIT = 15.0
W_LIMIT = -15.0
N_LIMIT = 53.37
S_LIMIT = -90.0
# MOPSR IP and Port
MOPSR_IP = '127.0.0.1'
MOPSR_PORT = 6000
# TCC IP and Port
TCC_IP = 'localhost'
TCC_PORT = 6001
# Saved PNG file resolution
PNG_DPI = 150
# Default date(seconds from 1970) for overall observatory
DATE = time.time()
#########################
## Gloabel variables ##
#########################
# List for storing pulsars
# {jname : [raj, decj, s843, p0, w50, dm, points_gain, points_fail, gap_min, gap_max, snr_min, snr_min_tbos_max, snr_max]}
pulsarlist = {}
pulsarposition = []
slewtable = {}
pulsarstatus = {}
joblist = []
running = True
gui_in_buffer = ''
gui_out_status_buffer = ''
gui_out_pulsar_buffer = ''
gui_out_obslist_buffer = ''
# manual, automatic
scheduler_mode = 'manual'
# parked, slewing, tracking
antenna_status = 'None'
# not_connect, ready, recording
mopsr_status = 'not_connect'
# not_connect, ready, tracking, slewing
tcc_status = 'not_connect'
# degree
antenna_position_ewd = 0.0
antenna_position_nsd = 0.0
message_to_mopsr = ''
message_from_mopsr = ''
message_to_tcc = ''
message_from_tcc = ''
########################
## Public Functions ##
########################
def nowtime(s = DATE):
return time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(s))
def latertime(seconds):
return time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(DATE+seconds))
def strtime2sec(s):
return time.mktime(time.strptime(s, "%Y-%m-%d %H:%M:%S"))
# D1 for tracking program
def dbg(string):
if DBG == True:
print '[DBG-%s] '% nowtime() + string
# D2 for output information
def out(string, newline=True):
if OUT == True and newline:
print '[OUT-%s] '% nowtime() + string
if OUT == True and newline == False:
print string,
def ewr(az, ze):
return np.arcsin(np.sin(az)*np.sin(ze))
def nsr(az, ze):
return np.arcsin(np.cos(az)*np.sin(ze))
def ewd(az, ze):
return ewr(az,ze) * 180 / np.pi
def nsd(az, ze):
return nsr(az,ze) * 180 / np.pi
def tobs(SNR,EW,S843,P0,W50,G0=0.00001,Tsys=75,Nm=352,Bw=30000000,Np=1):
""" _________________ _________________
S843 * Nm * G0 * cos(EW) | | 1000 * P0 - W50
SNR = --------------------------- * | Bw * Np * Tobs * |----------------
Tsys + Tsky \/ \/ W50
EW: radian
S843: Hz
P0: second
W50: minisecond
G0 = [0.01 K/Jy or 0.00001 K/mJy]
Tsys = 75K
Bw = 30MHz
Nm = 2 [352 for final]
Np = 1 [only 1 polarization]
"""
return W50 / ((1000*P0-W50)*Np*Bw) * ((Tsys*SNR)/(S843*G0*Nm*np.cos(EW)))**2
def snr(Tobs,EW,S843,P0,W50,G0=0.00001,Tsys=75,Nm=352,Bw=30000000,Np=1):
""" _________________ _________________
S843 * Nm * G0 * cos(EW) | | 1000 * P0 - W50
SNR = --------------------------- * | Bw * Np * Tobs * |----------------
Tsys + Tsky \/ \/ W50
EW: radian
S843: Hz
P0: second
W50: minisecond
G0 = [0.01 K/Jy or 0.00001 K/mJy]
Tsys = 75K
Bw = 30MHz
Nm = 2 [352 for final]
Np = 1 [only 1 polarization]
"""
return (S843 * Nm * G0 * np.cos(EW) / Tsys) * np.sqrt(Bw * Np * Tobs) * np.sqrt((1000 * P0 - W50) / W50)
def ratime2rad(time):
hms = time.split(':')
h = float(hms[0])
m = 0.0
s = 0.0
if len(hms) >=2:
m = float(hms[1])
if len(hms) == 3:
s = float(hms[2])
return 2*np.pi*( h /24.0+ m /(24.0*60.0)+ s /(24.0*60.0*60.0))
def decdeg2rad(deg):
dms = deg.split(':')
mark = 1.0
if dms[0][0]=='-':
mark = -1.0
d = float(dms[0])
absd = np.abs(d)
m = 0.0
s = 0.0
if len(dms) >=2:
m = float(dms[1])
if len(dms) == 3:
s = float(dms[2])
return mark * np.deg2rad(absd+ m /60.0+ s /(60.0*60.0))
class LiteSQL():
def __init__(self, txt=DEFAULT_PULSAR_TXT_FILE, status=DEFAULT_STATUS_TXT_FILE, db=DEFAULT_PULSAR_DB_FILE):
self.txt = txt
self.db = db
self.status = status
self.con = None
self.cur = None
self.checkdb()
self.readpulsarlist()
def checkdb(self):
exist = False
if os.path.isfile(self.db):
exist = True
out('Database file %s exists'% self.db)
self.con = lite.connect(self.db, check_same_thread = False)
self.cur = self.con.cursor()
if exist == False:
# Pulsar List
createtable = 'create table PulsarList(jname text primary key, raj text,decj text, s843 real, p0 real, w50 real, dm real, points_gain real, points_fail real, gap_min real, gap_max real, snr_min real, snr_min_tobs_max real, snr_max real )'
self.query(createtable)
# Observing Log
createtable = 'create table PulsarLog(jname text, tstart int, tobs int, succeed int, points int, snr real)'
self.query(createtable)
# Observing List
createtable = 'create table PulsarJobList(jname text, tstart int, tobs int)'
self.query(createtable)
# Statuses and Commands
createtable = 'create table Status(name text, taken int, scheduler_mode text, antenna_status text, antenna_position_ewd real, antenna_position_nsd real, mopsr_status text, tcc_status text, running int)'
self.query(createtable)
# System information
createtable = 'create table System(mopsr_ip text, mopsr_port int, tcc_ip text, tcc_port int)'
self.query(createtable)
# Pulsars overhead status
createtable = 'create table PulsarStatus(jname text, ewd real, nsd real)'
self.query(createtable)
out('Database file %s not exists, created'% self.db)
self.testdata()
self.initpulsarlist()
self.initstatus()
def query(self, sql):
if self.con != None:
self.cur.execute(sql)
res = self.cur.fetchall()
self.con.commit()
#dbg('Query %s'% sql)
if len(res)>0:
return res
else:
return None
else:
out('Database not exists, please check')
def testdata(self):
self.query("insert into PulsarList values('JTEST','12:00:00','45:00:00',34.56,12.3,4.32,126.7,100,-200,1,3,20,60,100);")
res = self.query("select * from PulsarList where jname='JTEST';")
for row in res:
print 'Test data:'
print row
self.query("delete from PulsarList where jname='JTEST'")
def initpulsarlist(self):
f = file(self.txt)
while True:
line = f.readline()
if len(line)!=0:
if line[0]=='#':
continue
templist = line.replace('*','NULL')
templist = templist.split(' ')
templist[-1] = templist[-1].replace('\n','')
sql = "insert into PulsarList values('"+templist[0]+"','"+templist[1]+"','"+templist[2]+"',"+str(templist[3])+","+str(templist[4])+","+str(templist[5])+","+str(templist[6])+","+str(templist[7])+","+str(templist[8])+","+str(templist[9])+","+str(templist[10])+","+str(templist[11])+","+str(templist[12])+","+str(templist[13])+");"
#dbg(sql)
self.query(sql)
dbg('Loaded pulsar: '+templist[0])
else:
break
def initstatus(self):
f = file(self.status)
while True:
line = f.readline()
if len(line)!=0:
if line[0]=='#':
continue
templist = line.replace('*','NULL')
templist = templist.split(' ')
templist[-1] = templist[-1].replace('\n','')
sql = "insert into Status values('"+templist[0]+"',"+str(templist[1])+",'"+templist[2]+"','"+templist[3]+"',"+str(templist[4])+","+str(templist[5])+",'"+templist[6]+"','"+templist[7]+"','"+templist[8]+"');"
dbg(sql)
self.query(sql)
dbg('Loaded status: '+templist[0])
else:
break
def readpulsarlist(self):
rows = self.query('select * from PulsarList;')
for row in rows:
pulsarlist[str(row[0])] = [str(row[1]), str(row[2]), row[3], row[4], row[5], row[6], row[7], row[8], row[9], row[10], row[11], row[12], row[13] ]
def update(self, table, column, value,wherecolumn, wherevalue):
sql = "update "+ table + " set " + column + "='" + value + "' where " + wherecolumn + "='" + wherevalue + "';"
self.query(sql)
dbg(sql)
def __del__(self):
dbg('LiteSQL delete')
self.con.commit()
self.con.close()
class MySQL():
def __init__(self, txt=DEFAULT_PULSAR_TXT_FILE, status=DEFAULT_STATUS_TXT_FILE):
self.txt = txt
self.status = status
self.con = None
self.cur = None
self.checkdb()
self.readpulsarlist()
def checkdb(self):
self.con = mysql.connect(MYSQL_HOST, MYSQL_USER, MYSQL_PASS, MYSQL_DB)
self.cur = self.con.cursor()
result = self.query("show tables like 'PulsarList'")
if len(result)==0:
# Pulsar List
createtable = 'create table PulsarList(jname text primary key, raj text,decj text, s843 real, p0 real, w50 real, dm real, points_gain real, points_fail real, gap_min real, gap_max real, snr_min real, snr_min_tobs_max real, snr_max real )'
self.query(createtable)
# Observing Log
createtable = 'create table PulsarLog(jname text, tstart int, tobs int, succeed int, points int, snr real)'
self.query(createtable)
# Observing List
createtable = 'create table PulsarJobList(jname text, tstart int, tobs int)'
self.query(createtable)
# Statuses and Commands
createtable = 'create table Status(name text, taken int, scheduler_mode text, antenna_status text, antenna_position_ewd real, antenna_position_nsd real, mopsr_status text, tcc_status text, running int)'
self.query(createtable)
# System information
createtable = 'create table System(mopsr_ip text, mopsr_port int, tcc_ip text, tcc_port int)'
self.query(createtable)
# Pulsars overhead status
createtable = 'create table PulsarStatus(jname text, ewd real, nsd real)'
self.query(createtable)
out('Database file %s not exists, created'% self.db)
#self.testdata()
self.initpulsarlist()
self.initstatus()
def query(self, sql):
if self.con != None:
self.cur.execute(sql)
res = self.cur.fetchall()
self.con.commit()
#dbg('Query %s'% sql)
if len(res)>0:
return res
else:
return None
else:
out('Database not exists, please check')
def testdata(self):
self.query("insert into PulsarList values('JTEST','12:00:00','45:00:00',34.56,12.3,4.32,126.7,100,-200,1,3,20,60,100);")
res = self.query("select * from PulsarList where jname='JTEST';")
for row in res:
print 'Test data:'
print row
self.query("delete from PulsarList where jname='JTEST'")
def initpulsarlist(self):
f = file(self.txt)
while True:
line = f.readline()
if len(line)!=0:
if line[0]=='#':
continue
templist = line.replace('*','NULL')
templist = templist.split(' ')
templist[-1] = templist[-1].replace('\n','')
sql = "insert into PulsarList values('"+templist[0]+"','"+templist[1]+"','"+templist[2]+"',"+str(templist[3])+","+str(templist[4])+","+str(templist[5])+","+str(templist[6])+","+str(templist[7])+","+str(templist[8])+","+str(templist[9])+","+str(templist[10])+","+str(templist[11])+","+str(templist[12])+","+str(templist[13])+");"
#dbg(sql)
self.query(sql)
dbg('Loaded pulsar: '+templist[0])
else:
break
def initstatus(self):
f = file(self.status)
while True:
line = f.readline()
if len(line)!=0:
if line[0]=='#':
continue
templist = line.replace('*','NULL')
templist = templist.split(' ')
templist[-1] = templist[-1].replace('\n','')
sql = "insert into Status values('"+templist[0]+"',"+str(templist[1])+",'"+templist[2]+"','"+templist[3]+"',"+str(templist[4])+","+str(templist[5])+",'"+templist[6]+"','"+templist[7]+"','"+templist[8]+"');"
dbg(sql)
self.query(sql)
dbg('Loaded status: '+templist[0])
else:
break
def readpulsarlist(self):
rows = self.query('select * from PulsarList;')
for row in rows:
pulsarlist[str(row[0])] = [str(row[1]), str(row[2]), row[3], row[4], row[5], row[6], row[7], row[8], row[9], row[10], row[11], row[12], row[13] ]
def update(self, table, column, value,wherecolumn, wherevalue):
sql = "update "+ table + " set " + column + "='" + value + "' where " + wherecolumn + "='" + wherevalue + "';"
self.query(sql)
dbg(sql)
def __del__(self):
dbg('LiteSQL delete')
self.con.commit()
self.con.close()
#########################################################################################
##############
## Point ##
##############
class SimplePoint():
def __init__(self, ewd, nsd):
self.ewd = ewd
self.nsd = nsd
class Point(ep.FixedBody):
def __init__(self, ra, dec, observer, epoch='2000'):
ep.FixedBody.__init__(self)
self._ra = ra
self._dec = dec
self._epoch = epoch
self.observer = observer
self.calc(observer)
"""
self.az
self.alt
self.ze
self.ns
self.ew
self.nsd
self.ewd
have values
"""
def reposition(self, observer):
self.calc(observer)
def calc(self, observer):
self.compute(observer)
self.ze = np.pi/2 - self.alt
self.nsr = nsr(self.az, self.ze)
self.ewr = ewr(self.az, self.ze)
self.nsd = np.rad2deg(self.nsr)
self.ewd = np.rad2deg(self.ewr)
#########################################################################################
##############
## pulsar ##
##############
class Pulsar(Point):
def __init__(self, name, observer, epoch='2000'):
self.found = False
self.target_name = name
if pulsarlist.has_key(name):
attr = pulsarlist[name]
#print attr
Point.__init__(self, attr[0], attr[1], observer, epoch)
# {jname : [raj, decj, s843, p0, w50, dm, points_gain, points_fail, gap_min, gap_max, snr_min, snr_min_tbos_max, snr_max]}
self.jname = name
self.s843 = attr[2]
self.p0 = attr[3]
self.w50 = attr[4]
self.dm = attr[5]
self.points_gain = float(attr[6])
self.points_fail = float(attr[7])
self.gap_min = float(attr[8])
self.gap_max = float(attr[9])
self.snr_min = float(attr[10])
self.snr_min_tobs_max = float(attr[11])
self.snr_max = float(attr[12])
self.found = True
self.visible_eye = False
self.visible_tel = False
if self.alt > 0:
self.visible_eye = True
if self.nsd < N_LIMIT and W_LIMIT <= self.ewd <= E_LIMIT :
self.visible_tel = True
"""
self.az
self.alt
self.ze
self.ns
self.ew
self.nsd
self.ewd
have values
"""
else:
D3('Cann\'t find the pulsar: '+name+'in the pulsar database file: '+DEFAULT_PULSAR_DB_FILE)
def printPulsar(self):
print 'Pulsar %s, RA: %s, Dec: %s is now in NSd: %f and EWd: %f, Az: %s and Alt: %s, visible by eyes: %s, visible by tel: %s, points_gain: %f, points_fail: %f'% (self.jname, self.ra, self.dec, self.nsd, self.ewd, self.az, self.alt, self.visible_eye, self.visible_tel, self.points_gain, self.points_fail)
#########################################################################################
################
## Molonglo ##
################
class Molonglo(ep.Observer):
def __init__(self, date=nowtime()):
ep.Observer.__init__(self)
self.date = date
self.lon = MOL_LON_R
self.lat = MOL_LAT_R
self.elevation = MOL_ELE_M
self.compute_pressure()
#########################################################################################
################
## Slewtime ##
################
class SlewTime():
def __init__(self,p1,p2):
self.fineseconds = -1
self.fineminutes = -1
self.coarseseconds = -1
self.coarseminutes = -1
self.dest = None
self.source = p1
self.target = p2
if self.target.visible_eye == True:
self.fineSlewTime()
self.coarseSlewTime()
def subSlewTime(self, p1, p2):
slewEW = p2.ewd - p1.ewd
slewEWTime = np.abs(slewEW) / EW_SLEW_RATE
slewNS = p2.nsd - p1.nsd
slewNSTime = np.abs(slewNS) / NS_SLEW_RATE
#dbg('slewEW:\t'+str(slewEW))
#dbg('slewNS:\t'+str(slewNS))
return np.maximum(slewEWTime, slewNSTime)
def fineSlewTime(self):
p1 = self.source
p2 = Point(self.target._ra, self.target._dec, self.target.observer)
i = 4
while True:
tt = self.subSlewTime(p1, p2)
#dbg('Slewtime: %f'% tt)
if i<=1:
self.fineseconds = tt
self.fineminutes = tt / 60.0
self.dest = p2
break
#dbg('fineSlewTime in while 1, %d'% i)
p2.reposition(Molonglo(latertime(tt)))
#dbg('fineSlewTime in while 2, %d'% i)
i -= 1
#dbg('fineSlewTime in while 3, %d'% i)
def coarseSlewTime(self):
self.coarseseconds = self.subSlewTime(self.source, self.target)
self.coarseminutes = self.coarseseconds / 60.0
def positions(observatory=Molonglo()):
positionlist = {}
for line in pulsarlist.keys():
name = line
attr = pulsarlist[line]
pulsar = Pulsar(name, observatory)
positionlist[name] = [pulsar.ewd, pulsar.nsd, pulsar.visible_eye, pulsar.visible_tel]
return positionlist
def gotime(initp, observatory):
gotimelist = {}
for line in pulsarlist.keys():
name = line
attr = pulsarlist[line]
pulsar = Pulsar(name, observatory)
if pulsar.visible_eye == True:
gotimelist[name] = [-1.0, -1.0, -1.0, -1.0]
st = SlewTime(initp, pulsar)
gotimelist[name][0] = st.fineseconds
gotimelist[name][1] = st.dest
#snr(Tobs,EW,S843,P0,W50,G0=0.00001,Tsys=75,Nm=2,Bw=30,Np=1)
tsnr = (snr(300, pulsar.ewr, pulsar.s843, pulsar.p0, pulsar.w50)+snr(300, st.dest.ewr, pulsar.s843, pulsar.p0, pulsar.w50))/2.0
gotimelist[name][2] = tsnr
#tobs(SNR,EW,S843,P0,W50,G0=0.00001,Tsys=75,Nm=2,Bw=30,Np=1)
ttobs = tobs(pulsar.snr_min, (pulsar.ewr+st.dest.ewr)/2.0, pulsar.s843, pulsar.p0, pulsar.w50)
gotimelist[name][3] = ttobs
return gotimelist
def getCurrentPosition():
# TODO: connect to TCC
return SimplePoint(0.0,0.0)
def sendMessageToMOPSR(msg):
out('Send to MOPSR: %s'%msg)
return msg
def getMessageFromMOPSR(msg):
out('Get from MOPSR: %s'%msg)
return msg
def sendMessageToTCC(msg):
out('Send to TCC: %s'%msg)
return msg
def getMessageFromTCC(msg):
out('Get from TCC: %s'%msg)
return msg
class Scheduler():
def __init__(self):
global pulsarlist, joblist, running, scheduler_mode, antenna_status, mopsr_status, tcc_status, antenna_position_ewd, antenna_position_nsd
global message_to_mopsr,message_from_mopsr,message_to_tcc,message_from_tcc
self.db = LiteSQL()
print 'Scheduler DB: ',self.db
self.systemstatus = False
self.systemtest()
self.observatory = Molonglo()
self.client = Client()
self.client.start()
self.drawmap = DrawMap(self.observatory, self.db)
self.drawmap.start()
self.status = StatusDealer(self.db)
self.status.start()
while True:
self.systemtest()
if self.systemstatus:
joblist = []
sql = "select * from PulsarJobList"
results = self.db.query(sql)
for row in results:
joblist.append(row[0])
out('Joblist', False)
dbg(joblist)
source = joblist[0]
joblist.remove(source)
sql = "delete from PulsarJobList where jname='"+source+"'"
self.db.query(sql)
curp = SimplePoint(antenna_position_ewd, antenna_position_nsd)
t_timetable = gotime(curp, self.observatory)
t_sourcet = t_timetable[source][0] / 60.0
t_dest = t_timetable[source][1]
out('Begin observing schedule on %s'%source)
sendMessageToTCC('Move to %s'%(str(t_dest.ewd)+str(t_dest.nsd) ))
out('Antenna is slewing')
#while tcc_status!='tracking':
# out('.', False)
# time.sleep(1)
sendMessageToMOPSR('recording')
mopsr_status = 'recording'
out('MOPSR is preparing')
while mopsr_status!='recording' and self.systemstatus:
self.systemtest()
out('.', False)
time.sleep(1)
temptobs = int(t_timetable[source][3])+20
while self.systemstatus and temptobs > 0:
out('.')
self.systemtest()
temptobs = temptobs - 1
time.sleep(1)
mopsr_status = 'finish'
else:
out('Something wrong')
out('Scheduler mode:%s, scheduler running:%s, MOPSR status:%s, TCC status:%s, job list length:%d, antenna position(%f,%f)'%(scheduler_mode, running, mopsr_status, tcc_status, len(joblist),antenna_position_ewd, antenna_position_nsd))
time.sleep(1)
def systemtest(self):
if tcc_status!='not_connect':
if mopsr_status!='not_connect':
if running:
self.systemstatus = True
else:
self.systemstatus = False
out('The scheduler is not running')
else:
self.systemstatus = False
out('MOPSR status wrong:%s'%mopsr_status)
else:
self.systemstatus = False
out('TCC status wrong: %s'%antenna_status)
class Client(threading.Thread):
def __init__(self):
global mopsr_status, tcc_status
threading.Thread.__init__(self)
#self.pile = eventlet.GreenPile()
self.mopsr_con = socket.socket()
ip = socket.gethostbyname(MOPSR_IP)
self.mopsr_con.connect((ip, MOPSR_PORT))
#self.fd = self.mopsr_con.makefile('rw')
mopsr_status = 'ready'
tcc_status = 'ready'
self.mopsr_status = mopsr_status
def run(self):
global message_to_mopsr,message_from_mopsr,message_to_tcc,message_from_tcc
global mopsr_status
while True:
if self.mopsr_status != mopsr_status:
out('MOPSR status changed from %s to %s'%(self.mopsr_status, mopsr_status))
message_to_mopsr = XMLWriter('mopsr','set',{'status':mopsr_status})
self.mopsr_con.sendall(message_to_mopsr+'\n')
message_to_mopsr = XMLWriter('mopsr','query',{'status':''})
self.mopsr_con.sendall(message_to_mopsr+'\n')
message_from_mopsr = self.mopsr_con.recv(8192).strip()
result = XMLReader('mopsr')
dbg('Get message from MOPSR%s'%result['status'])
if result['status'] != mopsr_status:
mopsr_status = self.mopsr_status
else:
self.mopsr_status = mopsr_status
else:
time.sleep(0.1)
def XMLReader(who):
result = {}
if who == 'mopsr':
tmpdom = et.fromstring(message_from_mopsr)
if tmpdom.tag == 'Molonglo':
for i in tmpdom:
if i.tag == who:
for j in i:
result[j.tag] = j.text
return result
if who == 'tcc':
pass
def XMLWriter(who, action, attr):
if who =='mopsr':
tmpdom = et.Element('Molonglo')
a00 = et.SubElement(tmpdom, who)
a01 = et.SubElement(a00, action)
for i in attr.keys():
a02 = et.SubElement(a01, i)
a02.text = attr[i]
return et.tostring(tmpdom)
class StatusDealer(threading.Thread):
def __init__(self, db):
threading.Thread.__init__(self)
self.db = db
time.sleep(3.3)
def run(self):
global mopsr_status, tcc_status, antenna_status, running, antenna_position_ewd, antenna_position_nsd
while True:
sql = "select * from Status where name='command' and taken=1"
results = self.db.query(sql)
#dbg('Results:%d'%results)
if results!=None:
for row in results:
mopsr_status = row['mopsr_status']
tcc_status = row['tcc_status']
antenna_status = row['antenna_status']
running = row['running']
antenna_position_ewd = row['antenna_position_ewd']
antenna_position_nsd = row['antenna_position_nsd']
sql = "update Status set taken=0 where name='command'"
self.db.query(sql)
sql = "update Status set scheduler_mode='"+scheduler_mode+"', mopsr_status='"+mopsr_status+"', tcc_status='"+tcc_status+"', antenna_status='"+antenna_status+"', running='"+str(running)+"', antenna_position_ewd="+str(antenna_position_ewd)+", antenna_position_nsd="+str(antenna_position_nsd)+" where name='status'"
self.db.query(sql)
time.sleep(2)
def keycommand(event):
print 'Key pressed:', event.key, event.xdata, event.ydata
global running
if event.key == '1':
running = True
Scheduler()
if event.key == '2':
running = False
def makejoblist(event):
point = event.artist
xdata = point.get_xdata()
ydata = point.get_ydata()
ind = event.ind
#print type(ind)
positionlist = positions()
for key in positionlist.keys():
if (positionlist[key][0]-xdata[ind])**2 + (positionlist[key][1]-ydata[ind])**2 < 1:
print 'Different is: %f'% ((positionlist[key][0]-xdata[ind])**2 + (positionlist[key][1]-ydata[ind])**2)
print 'Pulsar is:%s'%key
joblist.append(key)
print 'Point: ', zip(xdata[ind], ydata[ind])
class DrawMap(threading.Thread):
def __init__(self, obs, db):
threading.Thread.__init__(self)
self.obs = obs
self.db = db
print 'DrawMap DB: ',self.db
self.fig = plt.figure(figsize=(12,10))
self.ax = plt.axes([0.05,0.05,0.9,0.9])
self.ax.set_aspect(1)
def run(self):
global running, pulsarstatus
while True:
if running:
self.ax.cla()
self.ax.axis('equal')
self.ax.axis([-90,90 ,-90,60])
self.ax.grid(True)
self.ax.set_title('Pulsars over Molonglo @ '+nowtime(DATE))
self.ax.set_xlabel('East west degrees')
self.ax.set_ylabel('North south degrees')
self.ax.plot([W_LIMIT, W_LIMIT, E_LIMIT, E_LIMIT], [S_LIMIT, N_LIMIT, N_LIMIT, S_LIMIT], 'b-', lw='2')
sql = 'delete from PulsarStatus'
self.db.query(sql)
dbg('Delete all in PulsarStatus')
for line in pulsarlist.keys():
name = line
attr = pulsarlist[line]
pulsar = Pulsar(name, self.obs)
if pulsar.visible_eye == True:
if pulsar.visible_tel == True:
self.ax.plot(pulsar.ewd, pulsar.nsd, 'bo')
else:
self.ax.plot(pulsar.ewd, pulsar.nsd, 'ro')
pulsarstatus[name] = [pulsar.ewd, pulsar.nsd]
sql = "insert into PulsarStatus values('"+name+"',"+str(pulsar.ewd)+","+str(pulsar.nsd)+")"
dbg('Append pulsar %s: %s'%(name, sql))
self.db.query(sql)
else:
self.ax.plot(pulsar.ewd, pulsar.nsd, 'gx')
self.fig.savefig('webgui/currentpulsars.png', dpi=PNG_DPI)
time.sleep(30)
def plotPulsarsZenith(observer, antenna=None, timetable=None,epoch='2000'):
fig = plt.figure()
#plt.ion()
ax = fig.add_subplot(111)
#plt.title('Pulsars over Molonglo @ '+nowtime(DATE))
#plt.xlabel('W<------------------ Degree ---------------->E')
#plt.ylabel('S<------------------ Degree ---------------->N')
#ax.set_axes([0.05,0.05,0.7,0.9])
#fig.axis('equal')
#fig.axis([-80,80,-100,60])
plt.grid(True)
ax.plot([W_LIMIT, W_LIMIT, E_LIMIT, E_LIMIT], [S_LIMIT, N_LIMIT, N_LIMIT, S_LIMIT], 'b-', lw='2')
#initp = Point(antenna[0], antenna[1], observer, epoch)
initp = getCurrentPosition()
ax.plot([initp.ewd], [initp.nsd], 'r*')
for line in pulsarlist.keys():
name = line
attr = pulsarlist[line]
pulsar = Pulsar(name, observer)
slewtable[name] = [-1.0, -1.0, -1.0, -1.0]
if pulsar.visible_eye == True:
if pulsar.visible_tel == True:
ax.plot(pulsar.ewd, pulsar.nsd, 'bo', picker=10)
else:
ax.plot(pulsar.ewd, pulsar.nsd, 'ro', picker=10)
st = SlewTime(initp, pulsar)
slewtable[name][0] = st.fineseconds
slewtable[name][1] = st.fineminutes
#snr(Tobs,EW,S843,P0,W50,G0=0.00001,Tsys=75,Nm=2,Bw=30,Np=1)
tsnr = (snr(300, pulsar.ewr, pulsar.s843, pulsar.p0, pulsar.w50)+snr(300, st.dest.ewr, pulsar.s843, pulsar.p0, pulsar.w50))/2.0
slewtable[name][2] = tsnr
#tobs(SNR,EW,S843,P0,W50,G0=0.00001,Tsys=75,Nm=2,Bw=30,Np=1)
ttobs = tobs(pulsar.snr_min, (pulsar.ewr+st.dest.ewr)/2.0, pulsar.s843, pulsar.p0, pulsar.w50)
slewtable[name][3] = ttobs
tt = round(slewtable[name][1], 2)
ts = round(slewtable[name][2], 2)
to = round(slewtable[name][3], 2)
ax.text(pulsar.ewd+1, pulsar.nsd-2.4, name+'\nTsl:'+str(tt)+',S/N:'+str(ts), fontsize='9')
else:
ax.plot(pulsar.ewd, pulsar.nsd, 'gx')
ax.text(pulsar.ewd+1, pulsar.nsd-2.4, name, fontsize='9')
fig.canvas.mpl_connect('pick_event', makejoblist)
fig.canvas.mpl_connect('key_press_event', keycommand)
def plotPulsars(observer, antenna=None, timetable=None, epoch='2000'):
#plotPulsarsRADec(pulsarlist)
plotPulsarsZenith(observer, antenna, timetable)
plt.show()
class fig():
def __init__(self, p):
self.p = p
self.p.ion()
self.p.figure(figsize=(16,9))
self.p.axes([0.05,0.05,0.7,0.9])
self.p.axis('equal')
self.p.axis([-80,80,-100,60])
self.p.grid(True)
self.p.plot([W_LIMIT, W_LIMIT, E_LIMIT, E_LIMIT], [S_LIMIT, N_LIMIT, N_LIMIT, S_LIMIT], 'b-', lw='2')