Recvfrom Returned Socket Error 111
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Return Getattr Self _sock Name * Args Socket Error Errno 111 Connection Refused
a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error receiving in UDP: Connection refused up vote 7 down vote favorite 1 I
Python Socket.error Errno 61 Connection Refused
am trying to send a string HI to a server over UDP in a particular port and then to receive a response. However, after I try to get the response using recvfrom() I was stuck in blocking state. I tried using connected UDP but I got: Error receiving in UDP: Connection refused What could be the reasons for this? The server is not under my control, but I do know its file "/usr/lib/python2.7/socket.py", line 571, in create_connection raise err working fine. I have added the code int sockfdudp; char bufudp[MAXDATASIZE], port[6]; struct addrinfo hints, *servinfo, *p; struct sockaddr_storage addr; int rv; char s[INET6_ADDRSTRLEN]; int bytes_recv, bytes_sent; socklen_t len; scanf("%s",port); printf("UDP Port: %s \n", port); // Start connecting to datagram server memset(&hints, 0, sizeof hints); hints.ai_family = AF_UNSPEC; hints.ai_socktype = SOCK_DGRAM; if ((rv = getaddrinfo(SERVER_NAME, port, &hints, &servinfo)) != 0) { fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(rv)); return 1; } // loop through all the results and make a socket for(p = servinfo; p != NULL; p = p->ai_next) { if ((sockfdudp = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) { perror("Creating datagram socket"); continue; } if (connect(sockfdudp, p->ai_addr, p->ai_addrlen) == -1) { close(sockfdudp); perror("Connecting stream socket"); continue; } break; } if (p == NULL) { fprintf(stderr, "ClientUDP: failed to bind socket\n"); return 2; } freeaddrinfo(servinfo); if ((bytes_sent = sendto(sockfdudp, UDP_MSG, strlen(UDP_MSG), 0, p->ai_addr, p->ai_addrlen)) == -1) { perror("ClientUDP: Error sending data"); exit(1); } printf("Data %s sent\n", UDP_MSG ); len = sizeof(struct sockaddr_storage); if ((bytes_recv = recvfrom(sockfdudp, bufudp, MAXDATASIZE-1, 0,(struct sockaddr*)&addr, &len)) == -1) { perror("Error receiving in UDP"); exit(1); } printf("Bytes recv %d\n", bytes_recv); bufudp[bytes_recv] = '\0'; printf("ClientUDP: Received\n %s \n",bufudp ); close(sockfdudp); return 0; c sockets udp udpclient share|improve this question edited Nov 22 '10 at 12:17 Andres Jaan Tack 14.1k8436
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Socket.error: [errno 22] Invalid Argument
and policies of this site About Us Learn more about Stack Overflow udp send connection refused the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags socket error 111 ppsspp Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only http://stackoverflow.com/questions/2372371/error-receiving-in-udp-connection-refused takes a minute: Sign up socket.error: [Errno 111] when trying to connect to a socket up vote 0 down vote favorite 1 I was trying to write a code where a client connects to server on a default port number, the server then sends another port number to the client. The client now connects to the new port number. Client: http://stackoverflow.com/questions/26558303/socket-error-errno-111-when-trying-to-connect-to-a-socket import socket import sys import os import signal import time s = socket.socket() s.connect(("127.0.0.1", 6667)) line = s.recv(1024) if line.strip(): port = int(line) s.close() soc = socket.socket() soc.connect(("127.0.0.1", port)) print soc.recv(1024) soc.close() else: s.close() Server: import socket import sys import os import signal import time port = 7777 s = socket.socket() s.bind(("127.0.0.1", 6667)) s.listen(0) sc, address = s.accept() print address sc.send(str(port)) sc.close() s.close() sock = socket.socket() sock.bind(("127.0.0.1", port)) soc, addr = sock.accept() print addr soc.send("Success") soc.close() sock.close() When I execute this code, I am getting following errors on client and server sides. Server: ('127.0.0.1', 36282) Traceback (most recent call last): File "server.py", line 17, in
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