From 31ff1f23dedbfe6e2dccf9d3c7c294a1cd761266 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Wed, 5 Aug 2015 21:20:27 -0500 Subject: Switch nbd_client to xconnect() and make xconnect() try all returned addresses before failing. --- toys/other/nbd_client.c | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-) (limited to 'toys/other/nbd_client.c') diff --git a/toys/other/nbd_client.c b/toys/other/nbd_client.c index c16585a2..a82ff7c8 100644 --- a/toys/other/nbd_client.c +++ b/toys/other/nbd_client.c @@ -40,7 +40,6 @@ void nbd_client_main(void) { int sock = -1, nbd, flags; unsigned long timeout = 0; - struct addrinfo *addr, *p; char *host=toys.optargs[0], *port=toys.optargs[1], *device=toys.optargs[2]; uint64_t devsize; @@ -49,23 +48,10 @@ void nbd_client_main(void) nbd = xopen(device, O_RDWR); for (;;) { int temp; - struct addrinfo hints; // Find and connect to server - memset(&hints, 0, sizeof(hints)); - hints.ai_family = PF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - if (getaddrinfo(host, port, &hints, &addr)) addr = 0; - for (p = addr; p; p = p->ai_next) { - sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol); - if (-1 != connect(sock, p->ai_addr, p->ai_addrlen)) break; - close(sock); - } - freeaddrinfo(addr); - - if (!p) perror_exit("%s:%s", host, port); - + sock = xconnect(host, port, AF_UNSPEC, SOCK_STREAM, 0, 0); temp = 1; setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, &temp, sizeof(int)); -- cgit v1.2.3