From patchwork Tue Sep 5 06:31:06 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Chen X-Patchwork-Id: 809963 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xmcKb6j57z9sP3 for ; Tue, 5 Sep 2017 16:30:43 +1000 (AEST) Received: from localhost ([::1]:57087 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dp7Ni-0003Fu-1v for incoming@patchwork.ozlabs.org; Tue, 05 Sep 2017 02:30:42 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57515) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dp7N7-00039L-Hd for qemu-devel@nongnu.org; Tue, 05 Sep 2017 02:30:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dp7N2-0006Ao-Oc for qemu-devel@nongnu.org; Tue, 05 Sep 2017 02:30:05 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:33561 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dp7N1-00069o-UV for qemu-devel@nongnu.org; Tue, 05 Sep 2017 02:30:00 -0400 X-IronPort-AV: E=Sophos;i="5.41,478,1498492800"; d="scan'208";a="25224697" Received: from localhost (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 05 Sep 2017 14:29:58 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id F18C1472554C; Tue, 5 Sep 2017 14:29:57 +0800 (CST) Received: from localhost.localdomain (10.167.226.56) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Sep 2017 14:29:56 +0800 From: Zhang Chen To: qemu devel , Jason Wang Date: Tue, 5 Sep 2017 14:31:06 +0800 Message-ID: <1504593066-14023-4-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1504593066-14023-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1504593066-14023-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: F18C1472554C.AD4DD X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: zhangchen.fnst@cn.fujitsu.com X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 183.91.158.132 Subject: [Qemu-devel] [PATCH V6 3/3] net/colo-compare.c: Fix comments and scheme X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Li Zhijian , Zhang Chen , Zhang Chen Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Zhang Chen --- net/colo-compare.c | 59 ++++++++++++++++++++++++++++-------------------------- 1 file changed, 31 insertions(+), 28 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index c31adc6..d5fcfea 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -41,27 +41,27 @@ #define REGULAR_PACKET_CHECK_MS 3000 /* - + CompareState ++ - | | - +---------------+ +---------------+ +---------------+ - |conn list +--->conn +--------->conn | - +---------------+ +---------------+ +---------------+ - | | | | | | - +---------------+ +---v----+ +---v----+ +---v----+ +---v----+ - |primary | |secondary |primary | |secondary - |packet | |packet + |packet | |packet + - +--------+ +--------+ +--------+ +--------+ - | | | | - +---v----+ +---v----+ +---v----+ +---v----+ - |primary | |secondary |primary | |secondary - |packet | |packet + |packet | |packet + - +--------+ +--------+ +--------+ +--------+ - | | | | - +---v----+ +---v----+ +---v----+ +---v----+ - |primary | |secondary |primary | |secondary - |packet | |packet + |packet | |packet + - +--------+ +--------+ +--------+ +--------+ -*/ + * + CompareState ++ + * | | + * +---------------+ +---------------+ +---------------+ + * | conn list + - > conn + ------- > conn + -- > ...... + * +---------------+ +---------------+ +---------------+ + * | | | | | | + * +---------------+ +---v----+ +---v----+ +---v----+ +---v----+ + * |primary | |secondary |primary | |secondary + * |packet | |packet + |packet | |packet + + * +--------+ +--------+ +--------+ +--------+ + * | | | | + * +---v----+ +---v----+ +---v----+ +---v----+ + * |primary | |secondary |primary | |secondary + * |packet | |packet + |packet | |packet + + * +--------+ +--------+ +--------+ +--------+ + * | | | | + * +---v----+ +---v----+ +---v----+ +---v----+ + * |primary | |secondary |primary | |secondary + * |packet | |packet + |packet | |packet + + * +--------+ +--------+ +--------+ +--------+ + */ typedef struct CompareState { Object parent; @@ -75,14 +75,14 @@ typedef struct CompareState { SocketReadState sec_rs; bool vnet_hdr; - /* connection list: the connections belonged to this NIC could be found - * in this list. - * element type: Connection + /* + * Record the connection that through the NIC + * Element type: Connection */ GQueue conn_list; - /* hashtable to save connection */ + /* Record the connection without repetition */ GHashTable *connection_track_table; - /* compare thread, a thread for each NIC */ + /* This thread just do packet compare job */ QemuThread thread; GMainContext *worker_context; @@ -444,8 +444,11 @@ static int colo_old_packet_check_one_conn(Connection *conn, (GCompareFunc)colo_old_packet_check_one); if (result) { - /* do checkpoint will flush old packet */ - /* TODO: colo_notify_checkpoint();*/ + /* Do checkpoint will flush old packet */ + /* + * TODO: Notify colo frame to do checkpoint. + * colo_compare_inconsistent_notify(); + */ return 0; }