Apr-19-2017, 05:30 PM
i have a server&client, but idk if i can connect to the server even if i use the client.py from another mac.
server
if anyone can tell me what to change in the server or client to make it be able to connect to another server running on a mac, plz tell me
server
# Tcp Chat server import socket, select #Function to broadcast chat messages to all connected clients def broadcast_data (sock, message): #Do not send the message to master socket and the client who has send us the message for socket in CONNECTION_LIST: if socket != server_socket and socket != sock : try : socket.send(message) except : # broken socket connection may be, chat client pressed ctrl+c for example socket.close() CONNECTION_LIST.remove(socket) if __name__ == "__main__": # List to keep track of socket descriptors CONNECTION_LIST = [] RECV_BUFFER = 4096 # Advisable to keep it as an exponent of 2 PORT = 5432 server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # this has no effect, why ? server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) server_socket.bind(("0.0.0.0", PORT)) server_socket.listen(10) # Add server socket to the list of readable connections CONNECTION_LIST.append(server_socket) print "Chat server started on port " + str(PORT) while 1: # Get the list sockets which are ready to be read through select read_sockets,write_sockets,error_sockets = select.select(CONNECTION_LIST,[],[]) for sock in read_sockets: #New connection if sock == server_socket: # Handle the case in which there is a new connection recieved through server_socket sockfd, addr = server_socket.accept() CONNECTION_LIST.append(sockfd) print "Client (%s, %s) connected" % addr broadcast_data(sockfd, "[%s:%s] entered room\n" % addr) #Some incoming message from a client else: # Data recieved from client, process it try: #In Windows, sometimes when a TCP program closes abruptly, # a "Connection reset by peer" exception will be thrown data = sock.recv(RECV_BUFFER) if data: broadcast_data(sock, "\r" + '<' + str(sock.getpeername()) + '> ' + data) except: broadcast_data(sock, "Client (%s, %s) is offline" % addr) print "Client (%s, %s) is offline" % addr sock.close() CONNECTION_LIST.remove(sock) continue server_socket.close()client
# telnet program example import socket, select, string, sys def prompt() : sys.stdout.write('<You> ') sys.stdout.flush() #main function if __name__ == "__main__": if(len(sys.argv) < 3) : print 'Usage : python telnet.py hostname port' sys.exit() host = sys.argv[1] port = int(sys.argv[2]) s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(2) # connect to remote host try : s.connect((host, port)) except : print 'Unable to connect' sys.exit() print 'Connected to remote host. Start sending messages' prompt() while 1: socket_list = [sys.stdin, s] # Get the list sockets which are readable read_sockets, write_sockets, error_sockets = select.select(socket_list , [], []) for sock in read_sockets: #incoming message from remote server if sock == s: data = sock.recv(4096) if not data : print '\nDisconnected from chat server' sys.exit() else : #print data sys.stdout.write(data) prompt() #user entered a message else : msg = sys.stdin.readline() s.send(msg) prompt()note this is for mac...
if anyone can tell me what to change in the server or client to make it be able to connect to another server running on a mac, plz tell me