Bokeh-Server: Terima TCP dengan x axis datetime
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client.py
import sys
import time
import socket
import random
# Create a TCP/IP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# Connect the socket to the port where the server is listening
server_address = ('192.168.0.100', 2000)
sock.connect(server_address)
try:
for i in xrange(100000):
m0 = random.random()
message = "%1.4f" % m0
print >>sys.stderr, 'sending ' , message
sock.sendall(message)
time.sleep(0.5)
finally:
print >>sys.stderr, 'closing socket'
sock.close()
Server
bokeh-server --ip 192.168.0.100
server.py
import sys
import time
import datetime
import socket
from bokeh.plotting import figure, output_server, show, cursession
output_server("raw",url='http://192.168.0.100:5006')
# Visualization workflow
rx = [0]
x = [0]
n = datetime.datetime.now()
x = ['%d.%d'%(n.minute*60+n.second,n.microsecond)]
p = figure(x_axis_type="datetime")
p.line(x, rx, name='raw')
# Create a TCP/IP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# Bind the socket to the port
server_address = ('192.168.0.100', 2000)
print >>sys.stderr, 'starting up on %s port %s' % server_address
sock.bind(server_address)
# Listen for incoming connections
sock.listen(1)
show(p)
renderer = p.select(dict(name="raw"))
ds = renderer[0].data_source
while True:
# Wait for a connection
print >>sys.stderr, 'waiting for a connection'
connection, client_address = sock.accept()
try:
print >>sys.stderr, 'connection from', client_address
while True:
data = connection.recv(20)
print data
if len(data) == 0:
break
rx += [data]
n = datetime.datetime.now()
x += ['%d.%d'%(n.minute*60+n.second,n.microsecond)]
ds.data["x"] = x
ds.data["rmag_x"] = rx
cursession().store_objects(ds)
time.sleep(0.01)
finally:
# Clean up the connection
connection.close()