From patchwork Tue May 25 08:36:49 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshiaki Tamura X-Patchwork-Id: 102122 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o4P8gXOF030583 for ; Tue, 25 May 2010 08:42:34 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756366Ab0EYImA (ORCPT ); Tue, 25 May 2010 04:42:00 -0400 Received: from sh.osrg.net ([192.16.179.4]:34883 "EHLO sh.osrg.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756267Ab0EYIkk (ORCPT ); Tue, 25 May 2010 04:40:40 -0400 Received: from fs.osrg.net (postfix@fs.osrg.net [10.0.0.12]) by sh.osrg.net (8.14.3/8.14.3/OSRG-NET) with ESMTP id o4P8eJNN010203; Tue, 25 May 2010 17:40:19 +0900 Received: from localhost (hype-wd0.osrg.net [10.72.1.16]) by fs.osrg.net (Postfix) with ESMTP id C3EC33E02FF; Tue, 25 May 2010 17:40:17 +0900 (JST) From: Yoshiaki Tamura To: kvm@vger.kernel.org, qemu-devel@nongnu.org Cc: avi@redhat.com, aliguori@us.ibm.com, mtosatti@redhat.com, ohmura.kei@lab.ntt.co.jp, Yoshiaki Tamura Subject: [RFC PATCH 08/23] Introduce some socket util functions. Date: Tue, 25 May 2010 17:36:49 +0900 Message-Id: <1274776624-16435-10-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> X-Mailer: git-send-email 1.7.0.31.g1df487 In-Reply-To: <1274776624-16435-1-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> References: <1274776624-16435-1-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> X-Dispatcher: imput version 20070423(IM149) Lines: 97 X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Tue, 25 May 2010 08:42:34 +0000 (UTC) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (sh.osrg.net [192.16.179.4]); Tue, 25 May 2010 17:40:19 +0900 (JST) X-Virus-Scanned: clamav-milter 0.96 at sh X-Virus-Status: Clean Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org diff --git a/osdep.c b/osdep.c index 3bab79a..63444e7 100644 --- a/osdep.c +++ b/osdep.c @@ -201,6 +201,12 @@ void socket_set_nonblock(int fd) ioctlsocket(fd, FIONBIO, &opt); } +void socket_set_block(int fd) +{ + unsigned long opt = 0; + ioctlsocket(fd, FIONBIO, &opt); +} + int inet_aton(const char *cp, struct in_addr *ia) { uint32_t addr = inet_addr(cp); @@ -223,6 +229,13 @@ void socket_set_nonblock(int fd) fcntl(fd, F_SETFL, f | O_NONBLOCK); } +void socket_set_block(int fd) +{ + int f; + f = fcntl(fd, F_GETFL); + fcntl(fd, F_SETFL, f & ~O_NONBLOCK); +} + void qemu_set_cloexec(int fd) { int f; diff --git a/qemu-char.c b/qemu-char.c index 4169492..ccdf394 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2092,12 +2092,35 @@ static void tcp_chr_telnet_init(int fd) send(fd, (char *)buf, 3, 0); } -static void socket_set_nodelay(int fd) +void socket_set_delay(int fd) +{ + int val = 0; + setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); +} + +void socket_set_nodelay(int fd) { int val = 1; setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); } +void socket_set_timeout(int fd, int s) +{ + struct timeval tv = { + .tv_sec = s, + .tv_usec = 0 + }; + /* Set socket_timeout */ + if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, + &tv, sizeof(tv)) < 0) { + fprintf(stderr, "failed to set SO_RCVTIMEO\n"); + } + if (setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, + &tv, sizeof(tv)) < 0) { + fprintf(stderr, "fialed to set SO_SNDTIMEO\n"); + } +} + static void tcp_chr_accept(void *opaque) { CharDriverState *chr = opaque; diff --git a/qemu_socket.h b/qemu_socket.h index 7ee46ac..8eae465 100644 --- a/qemu_socket.h +++ b/qemu_socket.h @@ -35,6 +35,10 @@ int inet_aton(const char *cp, struct in_addr *ia); int qemu_socket(int domain, int type, int protocol); int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen); void socket_set_nonblock(int fd); +void socket_set_block(int fd); +void socket_set_nodelay(int fd); +void socket_set_delay(int fd); +void socket_set_timeout(int fd, int s); int send_all(int fd, const void *buf, int len1); /* New, ipv6-ready socket helper functions, see qemu-sockets.c */