From patchwork Fri Sep 23 12:56:56 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 116087 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id E42DEB6F67 for ; Sat, 24 Sep 2011 00:15:59 +1000 (EST) Received: from localhost ([::1]:49130 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R75Kn-0002Ue-3C for incoming@patchwork.ozlabs.org; Fri, 23 Sep 2011 08:58:29 -0400 Received: from eggs.gnu.org ([140.186.70.92]:33700) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R75KB-0000zS-GK for qemu-devel@nongnu.org; Fri, 23 Sep 2011 08:57:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1R75K9-0004pa-PE for qemu-devel@nongnu.org; Fri, 23 Sep 2011 08:57:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38228) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R75K9-0004pV-Ce for qemu-devel@nongnu.org; Fri, 23 Sep 2011 08:57:49 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p8NCvm4P020398 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 23 Sep 2011 08:57:48 -0400 Received: from neno.neno (ovpn-116-44.ams2.redhat.com [10.36.116.44]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p8NCvZlh021572; Fri, 23 Sep 2011 08:57:47 -0400 From: Juan Quintela To: qemu-devel@nongnu.org Date: Fri, 23 Sep 2011 14:56:56 +0200 Message-Id: In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 07/23] migration: move migrate_create_state to do_migrate 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 Once there, remove all parameters that don't need to be passed to *start_outgoing_migration() functions Signed-off-by: Juan Quintela --- migration-exec.c | 19 +++++-------------- migration-fd.c | 22 ++++++---------------- migration-tcp.c | 22 +++++++--------------- migration-unix.c | 19 +++++-------------- migration.c | 34 +++++++++++++++++++++------------- migration.h | 31 ++++--------------------------- 6 files changed, 48 insertions(+), 99 deletions(-) diff --git a/migration-exec.c b/migration-exec.c index db11374..b7b1055 100644 --- a/migration-exec.c +++ b/migration-exec.c @@ -61,22 +61,14 @@ static int exec_close(MigrationState *s) return ret; } -MigrationState *exec_start_outgoing_migration(Monitor *mon, - const char *command, - int64_t bandwidth_limit, - int detach, - int blk, - int inc) +int exec_start_outgoing_migration(MigrationState *s, const char *command) { - MigrationState *s; FILE *f; - s = migrate_create_state(mon, bandwidth_limit, detach, blk, inc); - f = popen(command, "w"); if (f == NULL) { DPRINTF("Unable to popen exec target\n"); - goto err_after_alloc; + goto err_after_popen; } s->fd = fileno(f); @@ -94,13 +86,12 @@ MigrationState *exec_start_outgoing_migration(Monitor *mon, s->write = file_write; migrate_fd_connect(s); - return s; + return 0; err_after_open: pclose(f); -err_after_alloc: - g_free(s); - return NULL; +err_after_popen: + return -1; } static void exec_accept_incoming_migration(void *opaque) diff --git a/migration-fd.c b/migration-fd.c index 2235a2f..d0aec89 100644 --- a/migration-fd.c +++ b/migration-fd.c @@ -50,21 +50,12 @@ static int fd_close(MigrationState *s) return 0; } -MigrationState *fd_start_outgoing_migration(Monitor *mon, - const char *fdname, - int64_t bandwidth_limit, - int detach, - int blk, - int inc) +int fd_start_outgoing_migration(MigrationState *s, const char *fdname) { - MigrationState *s; - - s = migrate_create_state(mon, bandwidth_limit, detach, blk, inc); - - s->fd = monitor_get_fd(mon, fdname); + s->fd = monitor_get_fd(s->mon, fdname); if (s->fd == -1) { DPRINTF("fd_migration: invalid file descriptor identifier\n"); - goto err_after_alloc; + goto err_after_get_fd; } if (fcntl(s->fd, F_SETFL, O_NONBLOCK) == -1) { @@ -77,13 +68,12 @@ MigrationState *fd_start_outgoing_migration(Monitor *mon, s->close = fd_close; migrate_fd_connect(s); - return s; + return 0; err_after_open: close(s->fd); -err_after_alloc: - g_free(s); - return NULL; +err_after_get_fd: + return -1; } static void fd_accept_incoming_migration(void *opaque) diff --git a/migration-tcp.c b/migration-tcp.c index db8cea2..f6b2288 100644 --- a/migration-tcp.c +++ b/migration-tcp.c @@ -75,30 +75,22 @@ static void tcp_wait_for_connect(void *opaque) } } -MigrationState *tcp_start_outgoing_migration(Monitor *mon, - const char *host_port, - int64_t bandwidth_limit, - int detach, - int blk, - int inc) +int tcp_start_outgoing_migration(MigrationState *s, const char *host_port) { struct sockaddr_in addr; - MigrationState *s; int ret; - if (parse_host_port(&addr, host_port) < 0) - return NULL; - - s = migrate_create_state(mon, bandwidth_limit, detach, blk, inc); - + ret = parse_host_port(&addr, host_port); + if (ret < 0) { + return ret; + } s->get_error = socket_errno; s->write = socket_write; s->close = tcp_close; s->fd = qemu_socket(PF_INET, SOCK_STREAM, 0); if (s->fd == -1) { - g_free(s); - return NULL; + return -1; } socket_set_nonblock(s->fd); @@ -118,7 +110,7 @@ MigrationState *tcp_start_outgoing_migration(Monitor *mon, } else if (ret >= 0) migrate_fd_connect(s); - return s; + return 0; } static void tcp_accept_incoming_migration(void *opaque) diff --git a/migration-unix.c b/migration-unix.c index 74c6dde..d6f315a 100644 --- a/migration-unix.c +++ b/migration-unix.c @@ -74,22 +74,14 @@ static void unix_wait_for_connect(void *opaque) } } -MigrationState *unix_start_outgoing_migration(Monitor *mon, - const char *path, - int64_t bandwidth_limit, - int detach, - int blk, - int inc) +int unix_start_outgoing_migration(MigrationState *s, const char *path) { - MigrationState *s; struct sockaddr_un addr; int ret; addr.sun_family = AF_UNIX; snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", path); - s = migrate_create_state(mon, bandwidth_limit, detach, blk, inc); - s->get_error = unix_errno; s->write = unix_write; s->close = unix_close; @@ -97,7 +89,7 @@ MigrationState *unix_start_outgoing_migration(Monitor *mon, s->fd = qemu_socket(PF_UNIX, SOCK_STREAM, 0); if (s->fd < 0) { DPRINTF("Unable to open socket"); - goto err_after_alloc; + goto err_after_socket; } socket_set_nonblock(s->fd); @@ -119,14 +111,13 @@ MigrationState *unix_start_outgoing_migration(Monitor *mon, if (ret >= 0) migrate_fd_connect(s); - return s; + return 0; err_after_open: close(s->fd); -err_after_alloc: - g_free(s); - return NULL; +err_after_socket: + return -1; } static void unix_accept_incoming_migration(void *opaque) diff --git a/migration.c b/migration.c index a87ed4d..88f4c23 100644 --- a/migration.c +++ b/migration.c @@ -77,6 +77,10 @@ void process_incoming_migration(QEMUFile *f) } } +static MigrationState *migrate_create_state(Monitor *mon, + int64_t bandwidth_limit, + int detach, int blk, int inc); + int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data) { MigrationState *s = NULL; @@ -85,6 +89,7 @@ int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data) int blk = qdict_get_try_bool(qdict, "blk", 0); int inc = qdict_get_try_bool(qdict, "inc", 0); const char *uri = qdict_get_str(qdict, "uri"); + int ret; if (current_migration && current_migration->get_status(current_migration) == MIG_STATE_ACTIVE) { @@ -96,28 +101,27 @@ int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data) return -1; } + s = migrate_create_state(mon, max_throttle, detach, blk, inc); + if (strstart(uri, "tcp:", &p)) { - s = tcp_start_outgoing_migration(mon, p, max_throttle, detach, - blk, inc); + ret = tcp_start_outgoing_migration(s, p); #if !defined(WIN32) } else if (strstart(uri, "exec:", &p)) { - s = exec_start_outgoing_migration(mon, p, max_throttle, detach, - blk, inc); + ret = exec_start_outgoing_migration(s, p); } else if (strstart(uri, "unix:", &p)) { - s = unix_start_outgoing_migration(mon, p, max_throttle, detach, - blk, inc); + ret = unix_start_outgoing_migration(s, p); } else if (strstart(uri, "fd:", &p)) { - s = fd_start_outgoing_migration(mon, p, max_throttle, detach, - blk, inc); + ret = fd_start_outgoing_migration(s, p); #endif } else { monitor_printf(mon, "unknown migration protocol: %s\n", uri); - return -1; + ret = -EINVAL; + goto free_migrate_state; } - if (s == NULL) { + if (ret < 0) { monitor_printf(mon, "migration failed\n"); - return -1; + goto free_migrate_state; } if (current_migration) { @@ -127,6 +131,9 @@ int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data) current_migration = s; notifier_list_notify(&migration_state_notifiers, NULL); return 0; +free_migrate_state: + g_free(s); + return -1; } int do_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret_data) @@ -489,8 +496,9 @@ void migrate_fd_connect(MigrationState *s) migrate_fd_put_ready(s); } -MigrationState *migrate_create_state(Monitor *mon, int64_t bandwidth_limit, - int detach, int blk, int inc) +static MigrationState *migrate_create_state(Monitor *mon, + int64_t bandwidth_limit, + int detach, int blk, int inc) { MigrationState *s = g_malloc0(sizeof(*s)); diff --git a/migration.h b/migration.h index 4ce4ddc..14c3ebc 100644 --- a/migration.h +++ b/migration.h @@ -64,47 +64,24 @@ void do_info_migrate(Monitor *mon, QObject **ret_data); int exec_start_incoming_migration(const char *host_port); -MigrationState *exec_start_outgoing_migration(Monitor *mon, - const char *host_port, - int64_t bandwidth_limit, - int detach, - int blk, - int inc); +int exec_start_outgoing_migration(MigrationState *s, const char *host_port); int tcp_start_incoming_migration(const char *host_port); -MigrationState *tcp_start_outgoing_migration(Monitor *mon, - const char *host_port, - int64_t bandwidth_limit, - int detach, - int blk, - int inc); +int tcp_start_outgoing_migration(MigrationState *s, const char *host_port); int unix_start_incoming_migration(const char *path); -MigrationState *unix_start_outgoing_migration(Monitor *mon, - const char *path, - int64_t bandwidth_limit, - int detach, - int blk, - int inc); +int unix_start_outgoing_migration(MigrationState *s, const char *path); int fd_start_incoming_migration(const char *path); -MigrationState *fd_start_outgoing_migration(Monitor *mon, - const char *fdname, - int64_t bandwidth_limit, - int detach, - int blk, - int inc); +int fd_start_outgoing_migration(MigrationState *s, const char *fdname); void migrate_fd_error(MigrationState *s); void migrate_fd_connect(MigrationState *s); -MigrationState *migrate_create_state(Monitor *mon, int64_t bandwidth_limit, - int detach, int blk, int inc); - void add_migration_state_change_notifier(Notifier *notify); void remove_migration_state_change_notifier(Notifier *notify); int get_migration_state(void);