Bokeh-Server: Terima TCP dengan x axis datetime
Revision as of 10:09, 30 November 2015 by Onnowpurbo (talk | contribs)
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()