From patchwork Mon Apr 18 15:02:29 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Roth X-Patchwork-Id: 91780 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 4B441B6FF8 for ; Tue, 19 Apr 2011 01:06:52 +1000 (EST) Received: from localhost ([::1]:36486 helo=lists2.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBq2L-0004Kk-DN for incoming@patchwork.ozlabs.org; Mon, 18 Apr 2011 11:06:49 -0400 Received: from eggs.gnu.org ([140.186.70.92]:39580) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBpzD-0007HC-BQ for qemu-devel@nongnu.org; Mon, 18 Apr 2011 11:03:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QBpz9-0000rr-34 for qemu-devel@nongnu.org; Mon, 18 Apr 2011 11:03:35 -0400 Received: from e7.ny.us.ibm.com ([32.97.182.137]:47993) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBpz8-0000rh-Vu for qemu-devel@nongnu.org; Mon, 18 Apr 2011 11:03:31 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e7.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id p3IEfNE8007056 for ; Mon, 18 Apr 2011 10:41:23 -0400 Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p3IF3UTp443402 for ; Mon, 18 Apr 2011 11:03:30 -0400 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p3IF3KvX023539 for ; Mon, 18 Apr 2011 09:03:20 -0600 Received: from localhost.localdomain (sig-9-65-250-146.mts.ibm.com [9.65.250.146]) by d03av04.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p3IF2eZq019079; Mon, 18 Apr 2011 09:03:18 -0600 From: Michael Roth To: qemu-devel@nongnu.org Date: Mon, 18 Apr 2011 10:02:29 -0500 Message-Id: <1303138953-1334-14-git-send-email-mdroth@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1303138953-1334-1-git-send-email-mdroth@linux.vnet.ibm.com> References: <1303138953-1334-1-git-send-email-mdroth@linux.vnet.ibm.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Received-From: 32.97.182.137 Cc: aliguori@linux.vnet.ibm.com, agl@linux.vnet.ibm.com, mdroth@linux.vnet.ibm.com, Jes.Sorensen@redhat.com Subject: [Qemu-devel] [RFC][PATCH v2 13/17] guest agent: command state class 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 Signed-off-by: Michael Roth --- qga/guest-agent-command-state.c | 73 +++++++++++++++++++++++++++++++++++++++ 1 files changed, 73 insertions(+), 0 deletions(-) create mode 100644 qga/guest-agent-command-state.c diff --git a/qga/guest-agent-command-state.c b/qga/guest-agent-command-state.c new file mode 100644 index 0000000..997355e --- /dev/null +++ b/qga/guest-agent-command-state.c @@ -0,0 +1,73 @@ +/* + * QEMU Guest Agent command state interfaces + * + * Copyright IBM Corp. 2011 + * + * Authors: + * Michael Roth + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#include +#include "guest-agent.h" + +struct GACommandState { + GSList *groups; +}; + +typedef struct GACommandGroup { + void (*init)(void); + void (*cleanup)(void); +} GACommandGroup; + +/* handle init/cleanup for stateful guest commands */ + +void ga_command_state_add(GACommandState *cs, + void (*init)(void), + void (*cleanup)(void)) +{ + GACommandGroup *cg = g_malloc0(sizeof(GACommandGroup)); + cg->init = init; + cg->cleanup = cleanup; + cs->groups = g_slist_append(cs->groups, cg); +} + +static void ga_command_group_init(gpointer opaque, gpointer unused) +{ + GACommandGroup *cg = opaque; + + g_assert(cg); + if (cg->init) { + cg->init(); + } +} + +void ga_command_state_init_all(GACommandState *cs) +{ + g_assert(cs); + g_slist_foreach(cs->groups, ga_command_group_init, NULL); +} + +static void ga_command_group_cleanup(gpointer opaque, gpointer unused) +{ + GACommandGroup *cg = opaque; + + g_assert(cg); + if (cg->cleanup) { + cg->cleanup(); + } +} + +void ga_command_state_cleanup_all(GACommandState *cs) +{ + g_assert(cs); + g_slist_foreach(cs->groups, ga_command_group_cleanup, NULL); +} + +GACommandState *ga_command_state_new(void) +{ + GACommandState *cs = g_malloc0(sizeof(GACommandState)); + cs->groups = NULL; + return cs; +}