From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:44398) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S53Ad-0001R4-DA for qemu-devel@nongnu.org; Tue, 06 Mar 2012 17:48:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S53Ab-0005fR-Mk for qemu-devel@nongnu.org; Tue, 06 Mar 2012 17:47:50 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54567) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S53Ab-0005f9-FC for qemu-devel@nongnu.org; Tue, 06 Mar 2012 17:47:49 -0500 From: Amos Kong Date: Wed, 07 Mar 2012 06:47:45 +0800 Message-ID: <20120306224745.24264.19990.stgit@dhcp-8-167.nay.redhat.com> In-Reply-To: <20120306224330.24264.9494.stgit@dhcp-8-167.nay.redhat.com> References: <20120306224330.24264.9494.stgit@dhcp-8-167.nay.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PATCH v3 1/9] net: introduce tcp_server_start() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: aliguori@us.ibm.com, kvm@vger.kernel.org, quintela@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org, owasserm@redhat.com, laine@redhat.com Introduce tcp_server_start() by moving original code in tcp_start_incoming_migration(). Signed-off-by: Amos Kong --- net.c | 28 ++++++++++++++++++++++++++++ qemu_socket.h | 2 ++ 2 files changed, 30 insertions(+), 0 deletions(-) diff --git a/net.c b/net.c index c34474f..e90ff23 100644 --- a/net.c +++ b/net.c @@ -99,6 +99,34 @@ static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) return 0; } +int tcp_server_start(const char *str, int *fd) +{ + int val, ret; + struct sockaddr_in saddr; + + if (parse_host_port(&saddr, str) < 0) { + error_report("invalid host/port combination: %s", str); + return -EINVAL; + } + + *fd = qemu_socket(PF_INET, SOCK_STREAM, 0); + if (fd < 0) { + perror("socket"); + return -1; + } + socket_set_nonblock(*fd); + + /* allow fast reuse */ + val = 1; + setsockopt(*fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); + + ret = bind(*fd, (struct sockaddr *)&saddr, sizeof(saddr)); + if (ret < 0) { + closesocket(*fd); + } + return ret; +} + int parse_host_port(struct sockaddr_in *saddr, const char *str) { char buf[512]; diff --git a/qemu_socket.h b/qemu_socket.h index fe4cf6c..d612793 100644 --- a/qemu_socket.h +++ b/qemu_socket.h @@ -54,6 +54,8 @@ int unix_listen(const char *path, char *ostr, int olen); int unix_connect_opts(QemuOpts *opts); int unix_connect(const char *path); +int tcp_server_start(const char *str, int *fd); + /* Old, ipv4 only bits. Don't use for new code. */ int parse_host_port(struct sockaddr_in *saddr, const char *str); int socket_init(void);