From patchwork Mon Sep 24 11:11:08 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Orit Wasserman X-Patchwork-Id: 186363 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 48F1C2C0085 for ; Mon, 24 Sep 2012 21:12:45 +1000 (EST) Received: from localhost ([::1]:33036 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TG6af-0002L7-VA for incoming@patchwork.ozlabs.org; Mon, 24 Sep 2012 07:12:41 -0400 Received: from eggs.gnu.org ([208.118.235.92]:46639) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TG6Zv-0000Dy-0p for qemu-devel@nongnu.org; Mon, 24 Sep 2012 07:11:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TG6Zq-0008CH-J9 for qemu-devel@nongnu.org; Mon, 24 Sep 2012 07:11:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:25546) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TG6Zq-0008C6-BB for qemu-devel@nongnu.org; Mon, 24 Sep 2012 07:11:50 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q8OBBR95002821 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 24 Sep 2012 07:11:27 -0400 Received: from dhcp-1-120.tlv.redhat.com (vpn-203-114.tlv.redhat.com [10.35.203.114]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id q8OBBGfT006566; Mon, 24 Sep 2012 07:11:24 -0400 From: Orit Wasserman To: qemu-devel@nongnu.org Date: Mon, 24 Sep 2012 13:11:08 +0200 Message-Id: <1348485070-8190-3-git-send-email-owasserm@redhat.com> In-Reply-To: <1348485070-8190-1-git-send-email-owasserm@redhat.com> References: <1348485070-8190-1-git-send-email-owasserm@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, aliguori@us.ibm.com, quintela@redhat.com, armbru@redhat.com, mst@redhat.com, mdroth@linux.vnet.ibm.com, lcapitulino@redhat.com, Orit Wasserman , pbonzini@redhat.com, akong@redhat.com Subject: [Qemu-devel] [PATCH v5 2/4] Separate inet_connect into inet_connect (blocking) and inet_nonblocking_connect X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org No need to add non blocking parameters to the blocking inet_connect add block parameter for inet_connect_opts instead of using QemuOpt "block". Signed-off-by: Orit Wasserman --- migration-tcp.c | 2 +- nbd.c | 2 +- qemu-char.c | 2 +- qemu-sockets.c | 58 +++++++++++++++++++++++++++++++++++++++++++++--------- qemu_socket.h | 7 ++++- ui/vnc.c | 2 +- 6 files changed, 57 insertions(+), 16 deletions(-) diff --git a/migration-tcp.c b/migration-tcp.c index ac891c3..7f6ad98 100644 --- a/migration-tcp.c +++ b/migration-tcp.c @@ -88,7 +88,7 @@ int tcp_start_outgoing_migration(MigrationState *s, const char *host_port, s->write = socket_write; s->close = tcp_close; - s->fd = inet_connect(host_port, false, &in_progress, errp); + s->fd = inet_nonblocking_connect(host_port, &in_progress, errp); if (error_is_set(errp)) { migrate_fd_error(s); return -1; diff --git a/nbd.c b/nbd.c index 0dd60c5..206f75c 100644 --- a/nbd.c +++ b/nbd.c @@ -162,7 +162,7 @@ int tcp_socket_outgoing(const char *address, uint16_t port) int tcp_socket_outgoing_spec(const char *address_and_port) { - return inet_connect(address_and_port, true, NULL, NULL); + return inet_connect(address_and_port, NULL); } int tcp_socket_incoming(const char *address, uint16_t port) diff --git a/qemu-char.c b/qemu-char.c index 7f0f895..13b87b5 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2456,7 +2456,7 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) if (is_listen) { fd = inet_listen_opts(opts, 0, NULL); } else { - fd = inet_connect_opts(opts, NULL, NULL); + fd = inet_connect_opts(opts, true, NULL, NULL); } } if (fd < 0) { diff --git a/qemu-sockets.c b/qemu-sockets.c index 7ca0ac9..20bcb5e 100644 --- a/qemu-sockets.c +++ b/qemu-sockets.c @@ -54,9 +54,6 @@ static QemuOptsList dummy_opts = { },{ .name = "ipv6", .type = QEMU_OPT_BOOL, - },{ - .name = "block", - .type = QEMU_OPT_BOOL, }, { /* end if list */ } }, @@ -294,11 +291,22 @@ static struct addrinfo *inet_parse_connect_opts(QemuOpts *opts, Error **errp) return res; } -int inet_connect_opts(QemuOpts *opts, bool *in_progress, Error **errp) +/** + * Create a socket and connect it to an address. + * + * @opts: QEMU options, recognized parameters strings "host" and "port", + * bools "ipv4" and "ipv6". + * @block: set true for blocking socket + * @in_progress: set to true in case of ongoing connect + * @errp: set on error + * + * Returns: -1 on error, file descriptor on success. + */ +int inet_connect_opts(QemuOpts *opts, bool block, bool *in_progress, + Error **errp) { struct addrinfo *res, *e; int sock = -1; - bool block = qemu_opt_get_bool(opts, "block", 0); res = inet_parse_connect_opts(opts, errp); if (!res) { @@ -515,17 +523,47 @@ int inet_listen(const char *str, char *ostr, int olen, return sock; } -int inet_connect(const char *str, bool block, bool *in_progress, Error **errp) +/** + * Create a blocking socket and connect it to an address. + * + * @str: address string + * @errp: set in case of an error + * + * Returns -1 in case of error, file descriptor on success + **/ +int inet_connect(const char *str, Error **errp) { QemuOpts *opts; int sock = -1; opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL); if (inet_parse(opts, str) == 0) { - if (block) { - qemu_opt_set(opts, "block", "on"); - } - sock = inet_connect_opts(opts, in_progress, errp); + sock = inet_connect_opts(opts, true, NULL, errp); + } else { + error_set(errp, QERR_SOCKET_CREATE_FAILED); + } + qemu_opts_del(opts); + return sock; +} + +/** + * Create a non-blocking socket and connect it to an address. + * + * @str: address string + * @in_progress: set to true in case of ongoing connect + * @errp: set in case of an error + * + * Returns: -1 on error, file descriptor on success. + **/ +int inet_nonblocking_connect(const char *str, bool *in_progress, + Error **errp) +{ + QemuOpts *opts; + int sock = -1; + + opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL); + if (inet_parse(opts, str) == 0) { + sock = inet_connect_opts(opts, false, in_progress, errp); } else { error_set(errp, QERR_SOCKET_CREATE_FAILED); } diff --git a/qemu_socket.h b/qemu_socket.h index 30ae6af..80696aa 100644 --- a/qemu_socket.h +++ b/qemu_socket.h @@ -42,8 +42,11 @@ int send_all(int fd, const void *buf, int len1); int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp); int inet_listen(const char *str, char *ostr, int olen, int socktype, int port_offset, Error **errp); -int inet_connect_opts(QemuOpts *opts, bool *in_progress, Error **errp); -int inet_connect(const char *str, bool block, bool *in_progress, Error **errp); +int inet_connect_opts(QemuOpts *opts, bool block, bool *in_progress, + Error **errp); +int inet_connect(const char *str, Error **errp); +int inet_nonblocking_connect(const char *str, bool *in_progress, + Error **errp); int inet_dgram_opts(QemuOpts *opts); const char *inet_strfamily(int family); diff --git a/ui/vnc.c b/ui/vnc.c index 385e345..01b2daf 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -3061,7 +3061,7 @@ int vnc_display_open(DisplayState *ds, const char *display) if (strncmp(display, "unix:", 5) == 0) vs->lsock = unix_connect(display+5); else - vs->lsock = inet_connect(display, true, NULL, NULL); + vs->lsock = inet_connect(display, NULL); if (-1 == vs->lsock) { g_free(vs->display); vs->display = NULL;