#!/usr/bin/env python # Copyright JS Foundation and other contributors, http://js.foundation # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import socket import select # pylint: disable=too-many-arguments,superfluous-parens class Socket(object): """ Create a new socket using the given address family, socket type and protocol number. """ def __init__(self, address, socket_family=socket.AF_INET, socket_type=socket.SOCK_STREAM, proto=0, fileno=None): self.address = address self.socket = socket.socket(socket_family, socket_type, proto, fileno) def connect(self): """ Connect to a remote socket at address (host, port). The format of address depends on the address family. """ print("Connecting to: %s:%s" % (self.address[0], self.address[1])) self.socket.connect(self.address) def close(self): """" Mark the socket closed. """ self.socket.close() def receive_data(self, max_size=1024): """ The maximum amount of data to be received at once is specified by max_size. """ return self.socket.recv(max_size) def send_data(self, data): """ Send data to the socket. The socket must be connected to a remote socket. """ return self.socket.send(data) def ready(self): """ Monitor the file descriptor. """ result = select.select([self.socket], [], [], 0)[0] return self.socket in result