From patchwork Thu Aug 6 07:40:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Longpeng(Mike)" X-Patchwork-Id: 11703071 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A5804913 for ; Thu, 6 Aug 2020 12:07:56 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8D96E22D0B for ; Thu, 6 Aug 2020 12:07:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8D96E22D0B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:32996 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k3aWo-0003DL-Va for patchwork-qemu-devel@patchwork.kernel.org; Thu, 06 Aug 2020 03:41:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57126) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k3aWE-0002Lx-Bh for qemu-devel@nongnu.org; Thu, 06 Aug 2020 03:40:54 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:58120 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k3aWB-0002nZ-U8 for qemu-devel@nongnu.org; Thu, 06 Aug 2020 03:40:54 -0400 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 28B6E3957B81AC24874D; Thu, 6 Aug 2020 15:40:43 +0800 (CST) Received: from DESKTOP-27KDQMV.china.huawei.com (10.174.151.115) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.487.0; Thu, 6 Aug 2020 15:40:33 +0800 From: "Longpeng(Mike)" To: , Subject: [PATCH 1/2] migration: unify the framework of socket-type channel Date: Thu, 6 Aug 2020 15:40:29 +0800 Message-ID: <20200806074030.174-2-longpeng2@huawei.com> X-Mailer: git-send-email 2.25.0.windows.1 In-Reply-To: <20200806074030.174-1-longpeng2@huawei.com> References: <20200806074030.174-1-longpeng2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.151.115] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.32; envelope-from=longpeng2@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/06 03:37:49 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: longpeng2@huawei.com, arei.gonglei@huawei.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Currently, the only difference of tcp channel and unix channel in migration/socket.c is the way to build SocketAddress, but socket_parse() can handle these two types, so use it to instead of tcp_build_address() and unix_build_address(). The socket-type channel can be further unified based on the up, this would be helpful for us to add other socket-type channels. Signed-off-by: Longpeng(Mike) Reviewed-by: Dr. David Alan Gilbert --- migration/migration.c | 18 ++++++------- migration/socket.c | 72 +++++++++++---------------------------------------- migration/socket.h | 11 +++----- 3 files changed, 26 insertions(+), 75 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 8fe3633..3160b95 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -377,21 +377,20 @@ void migrate_add_address(SocketAddress *address) void qemu_start_incoming_migration(const char *uri, Error **errp) { - const char *p; + const char *p = NULL; qapi_event_send_migration(MIGRATION_STATUS_SETUP); if (!strcmp(uri, "defer")) { deferred_incoming_migration(errp); - } else if (strstart(uri, "tcp:", &p)) { - tcp_start_incoming_migration(p, errp); + } else if (strstart(uri, "tcp:", &p) || + strstart(uri, "unix:", NULL)) { + socket_start_incoming_migration(p ? p : uri, errp); #ifdef CONFIG_RDMA } else if (strstart(uri, "rdma:", &p)) { rdma_start_incoming_migration(p, errp); #endif } else if (strstart(uri, "exec:", &p)) { exec_start_incoming_migration(p, errp); - } else if (strstart(uri, "unix:", &p)) { - unix_start_incoming_migration(p, errp); } else if (strstart(uri, "fd:", &p)) { fd_start_incoming_migration(p, errp); } else { @@ -2064,7 +2063,7 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk, { Error *local_err = NULL; MigrationState *s = migrate_get_current(); - const char *p; + const char *p = NULL; if (!migrate_prepare(s, has_blk && blk, has_inc && inc, has_resume && resume, errp)) { @@ -2072,16 +2071,15 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk, return; } - if (strstart(uri, "tcp:", &p)) { - tcp_start_outgoing_migration(s, p, &local_err); + if (strstart(uri, "tcp:", &p) || + strstart(uri, "unix:", NULL)) { + socket_start_outgoing_migration(s, p ? p : uri, &local_err); #ifdef CONFIG_RDMA } else if (strstart(uri, "rdma:", &p)) { rdma_start_outgoing_migration(s, p, &local_err); #endif } else if (strstart(uri, "exec:", &p)) { exec_start_outgoing_migration(s, p, &local_err); - } else if (strstart(uri, "unix:", &p)) { - unix_start_outgoing_migration(s, p, &local_err); } else if (strstart(uri, "fd:", &p)) { fd_start_outgoing_migration(s, p, &local_err); } else { diff --git a/migration/socket.c b/migration/socket.c index 97c9efd..6016642 100644 --- a/migration/socket.c +++ b/migration/socket.c @@ -50,34 +50,6 @@ int socket_send_channel_destroy(QIOChannel *send) return 0; } -static SocketAddress *tcp_build_address(const char *host_port, Error **errp) -{ - SocketAddress *saddr; - - saddr = g_new0(SocketAddress, 1); - saddr->type = SOCKET_ADDRESS_TYPE_INET; - - if (inet_parse(&saddr->u.inet, host_port, errp)) { - qapi_free_SocketAddress(saddr); - return NULL; - } - - return saddr; -} - - -static SocketAddress *unix_build_address(const char *path) -{ - SocketAddress *saddr; - - saddr = g_new0(SocketAddress, 1); - saddr->type = SOCKET_ADDRESS_TYPE_UNIX; - saddr->u.q_unix.path = g_strdup(path); - - return saddr; -} - - struct SocketConnectData { MigrationState *s; char *hostname; @@ -109,9 +81,10 @@ static void socket_outgoing_migration(QIOTask *task, object_unref(OBJECT(sioc)); } -static void socket_start_outgoing_migration(MigrationState *s, - SocketAddress *saddr, - Error **errp) +static void +socket_start_outgoing_migration_internal(MigrationState *s, + SocketAddress *saddr, + Error **errp) { QIOChannelSocket *sioc = qio_channel_socket_new(); struct SocketConnectData *data = g_new0(struct SocketConnectData, 1); @@ -135,27 +108,18 @@ static void socket_start_outgoing_migration(MigrationState *s, NULL); } -void tcp_start_outgoing_migration(MigrationState *s, - const char *host_port, - Error **errp) +void socket_start_outgoing_migration(MigrationState *s, + const char *str, + Error **errp) { Error *err = NULL; - SocketAddress *saddr = tcp_build_address(host_port, &err); + SocketAddress *saddr = socket_parse(str, &err); if (!err) { - socket_start_outgoing_migration(s, saddr, &err); + socket_start_outgoing_migration_internal(s, saddr, &err); } error_propagate(errp, err); } -void unix_start_outgoing_migration(MigrationState *s, - const char *path, - Error **errp) -{ - SocketAddress *saddr = unix_build_address(path); - socket_start_outgoing_migration(s, saddr, errp); -} - - static void socket_accept_incoming_migration(QIONetListener *listener, QIOChannelSocket *cioc, gpointer opaque) @@ -173,8 +137,9 @@ static void socket_accept_incoming_migration(QIONetListener *listener, } -static void socket_start_incoming_migration(SocketAddress *saddr, - Error **errp) +static void +socket_start_incoming_migration_internal(SocketAddress *saddr, + Error **errp) { QIONetListener *listener = qio_net_listener_new(); size_t i; @@ -207,20 +172,13 @@ static void socket_start_incoming_migration(SocketAddress *saddr, } } -void tcp_start_incoming_migration(const char *host_port, Error **errp) +void socket_start_incoming_migration(const char *str, Error **errp) { Error *err = NULL; - SocketAddress *saddr = tcp_build_address(host_port, &err); + SocketAddress *saddr = socket_parse(str, &err); if (!err) { - socket_start_incoming_migration(saddr, &err); + socket_start_incoming_migration_internal(saddr, &err); } qapi_free_SocketAddress(saddr); error_propagate(errp, err); } - -void unix_start_incoming_migration(const char *path, Error **errp) -{ - SocketAddress *saddr = unix_build_address(path); - socket_start_incoming_migration(saddr, errp); - qapi_free_SocketAddress(saddr); -} diff --git a/migration/socket.h b/migration/socket.h index 528c3b0..891dbcc 100644 --- a/migration/socket.h +++ b/migration/socket.h @@ -23,13 +23,8 @@ void socket_send_channel_create(QIOTaskFunc f, void *data); int socket_send_channel_destroy(QIOChannel *send); -void tcp_start_incoming_migration(const char *host_port, Error **errp); +void socket_start_incoming_migration(const char *str, Error **errp); -void tcp_start_outgoing_migration(MigrationState *s, const char *host_port, - Error **errp); - -void unix_start_incoming_migration(const char *path, Error **errp); - -void unix_start_outgoing_migration(MigrationState *s, const char *path, - Error **errp); +void socket_start_outgoing_migration(MigrationState *s, const char *str, + Error **errp); #endif