def run(self):
# Get the server port, spawning it if necessary
server_port = get_server_port()
if server_port == -1 or not Server.ping(server_port, timeout=5):
if len(self.client.server_prefs):
# Spawn the server
logger.info("Client spawning Server...")
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(5)
sock.bind(('localhost', 0))
sock.listen(1)
port = sock.getsockname()[1]
args = self.client.server_prefs + (port, )
code = "from envisage.plugins.remote_editor.communication." \
"server import main; main(r'%s', '%s', %i)" % args
spawn_independent([sys.executable, '-c', code])
# Await a reponse from the server
try:
server, address = accept_no_intr(sock)
try:
command, arguments = receive(server)
if command == "__port__":
self.client._server_port = int(arguments)
else:
raise socket.error
finally:
# Use try...except to handle timeouts
try:
server.shutdown(socket.SHUT_RD)
except:
pass
except socket.error, e:
logger.error(repr(e))
logger.error("Client spawned a non-responsive Server! " \
"Unregistering...")
self.client.error = True
self.client.unregister()
return
finally:
sock.close()
def run(self):
# Get the server port, spawning it if necessary
server_port = get_server_port()
if server_port == -1 or not Server.ping(server_port, timeout=5):
if len(self.client.server_prefs):
# Spawn the server
logger.info("Client spawning Server...")
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(5)
sock.bind(('localhost', 0))
sock.listen(1)
port = sock.getsockname()[1]
args = self.client.server_prefs + ( port, )
code = "from envisage.plugins.remote_editor.communication." \
"server import main; main(r'%s', '%s', %i)" % args
spawn_independent([sys.executable, '-c', code])
# Await a reponse from the server
try:
server, address = accept_no_intr(sock)
try:
command, arguments = receive(server)
if command == "__port__":
self.client._server_port = int(arguments)
else:
raise socket.error
finally:
# Use try...except to handle timeouts
try:
server.shutdown(socket.SHUT_RD)
except:
pass
except socket.error, e:
logger.error(repr(e))
logger.error("Client spawned a non-responsive Server! " \
"Unregistering...")
self.client.error = True
self.client.unregister()
return
finally:
sock.close()
def _spawn(self, object_type):
""" Attempt to spawn an process according the specified type. Returns
whether this was sucessful.
"""
try:
command = self.spawn_commands[object_type]
except KeyError:
msg = "No spawn command is defined for object type '%s'." \
% object_type
logger.warning(msg)
return msg
try:
logging.info("Server spawning Client of type '%s.'" % object_type)
spawn_independent(command, shell=True)
except OSError:
msg = "Error spawning process for '%s' with command '%s'." \
% (object_type, command)
logger.error(msg)
return msg
return False
def _spawn(self, object_type):
""" Attempt to spawn an process according the specified type. Returns
whether this was sucessful.
"""
try:
command = self.spawn_commands[object_type]
except KeyError:
msg = "No spawn command is defined for object type '%s'." \
% object_type
logger.warning(msg)
return msg
try:
logging.info("Server spawning Client of type '%s.'" % object_type)
spawn_independent(command, shell=True)
except OSError:
msg = "Error spawning process for '%s' with command '%s'." \
% (object_type, command)
logger.error(msg)
return msg
return False
