Bokeh: Menerima TCP data
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Sumber: http://stackoverflow.com/questions/33241229/real-time-bokeh-socket-python/33275677#33275677
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): # for i in xrange(10): m0 = random.random() # m1 = random.random() # m2 = random.random() # m3 = random.random() # m4 = random.random() # m5 = random.random() # message = "%1.4f" % m1 + " %1.4f" % m2 + " %1.4f" % m3 + " %1.4f" % m4 + " %1.4f" % m5 + "\n" 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.py
import sys import time import socket from bokeh.plotting import figure, output_server, show, cursession output_server("raw",url='http://192.168.0.100:5006') # Visualization workflow counter = 0 rx = [0] x = [0] p = figure() 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] x += [counter] counter += 1 ds.data["x"] = x ds.data["rmag_x"] = rx cursession().store_objects(ds) time.sleep(0.01) finally: # Clean up the connection connection.close()