def init_heartbeat(self):
"""start the heart beating"""
# heartbeat doesn't share context, because it mustn't be blocked
# by the GIL, which is accessed by libzmq when freeing zero-copy messages
hb_ctx = zmq.Context()
self.heartbeat = Heartbeat(hb_ctx, (self.ip, self.hb_port))
self.hb_port = self.heartbeat.port
self.log.debug("Heartbeat REP Channel on port: %i" % self.hb_port)
self.heartbeat.start()
# Helper to make it easier to connect to an existing kernel.
# set log-level to critical, to make sure it is output
self.log.critical("To connect another client to this kernel, use:")
def init_sockets(self):
# Create a context, a session, and the kernel sockets.
self.log.info("Starting the kernel at pid: %i", os.getpid())
context = zmq.Context.instance()
# Uncomment this to try closing the context.
# atexit.register(context.term)
self.shell_socket = context.socket(zmq.ROUTER)
self.shell_port = self._bind_socket(self.shell_socket, self.shell_port)
self.log.debug("shell ROUTER Channel on port: %i" % self.shell_port)
self.iopub_socket = context.socket(zmq.PUB)
self.iopub_port = self._bind_socket(self.iopub_socket, self.iopub_port)
self.log.debug("iopub PUB Channel on port: %i" % self.iopub_port)
self.stdin_socket = context.socket(zmq.ROUTER)
self.stdin_port = self._bind_socket(self.stdin_socket, self.stdin_port)
self.log.debug("stdin ROUTER Channel on port: %i" % self.stdin_port)
# heartbeat doesn't share context, because it mustn't be blocked
# by the GIL, which is accessed by libzmq when freeing zero-copy messages
hb_ctx = zmq.Context()
self.heartbeat = Heartbeat(hb_ctx, (self.ip, self.hb_port))
self.hb_port = self.heartbeat.port
self.log.debug("Heartbeat REP Channel on port: %i" % self.hb_port)
# Helper to make it easier to connect to an existing kernel.
# set log-level to critical, to make sure it is output
self.log.critical("To connect another client to this kernel, use:")
basename = os.path.basename(self.connection_file)
if basename == self.connection_file or \
os.path.dirname(self.connection_file) == self.profile_dir.security_dir:
# use shortname
tail = basename
if self.profile != 'default':
tail += " --profile %s" % self.profile
else:
tail = self.connection_file
self.log.critical("--existing %s", tail)
self.ports = dict(shell=self.shell_port,
iopub=self.iopub_port,
stdin=self.stdin_port,
hb=self.hb_port)
def init_sockets(self):
# Create a context, a session, and the kernel sockets.
self.log.info("Starting the kernel at pid: %i", os.getpid())
context = zmq.Context.instance()
# Uncomment this to try closing the context.
# atexit.register(context.term)
self.shell_socket = context.socket(zmq.XREP)
self.shell_port = self._bind_socket(self.shell_socket, self.shell_port)
self.log.debug("shell XREP Channel on port: %i" % self.shell_port)
self.iopub_socket = context.socket(zmq.PUB)
self.iopub_port = self._bind_socket(self.iopub_socket, self.iopub_port)
self.log.debug("iopub PUB Channel on port: %i" % self.iopub_port)
self.stdin_socket = context.socket(zmq.XREQ)
self.stdin_port = self._bind_socket(self.stdin_socket, self.stdin_port)
self.log.debug("stdin XREQ Channel on port: %i" % self.stdin_port)
self.heartbeat = Heartbeat(context, (self.ip, self.hb_port))
self.hb_port = self.heartbeat.port
self.log.debug("Heartbeat REP Channel on port: %i" % self.hb_port)
# Helper to make it easier to connect to an existing kernel, until we have
# single-port connection negotiation fully implemented.
# set log-level to critical, to make sure it is output
self.log.critical("To connect another client to this kernel, use:")
self.log.critical(
"--existing --shell={0} --iopub={1} --stdin={2} --hb={3}".format(
self.shell_port, self.iopub_port, self.stdin_port,
self.hb_port))
self.ports = dict(shell=self.shell_port,
iopub=self.iopub_port,
stdin=self.stdin_port,
hb=self.hb_port)
import zmq
from IPython.zmq.heartbeat import Heartbeat
from IPython.utils.localinterfaces import LOCALHOST
context = zmq.Context()
beat = Heartbeat(context, (LOCALHOST, 5554))
beat.start()
raw_input("input anything and hit return to stop the heart beating\n");
