From patchwork Thu Oct 18 14:49:29 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 192367 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 52F792C0093 for ; Fri, 19 Oct 2012 02:42:48 +1100 (EST) Received: from localhost ([::1]:54306 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TOrRk-0001M6-1d for incoming@patchwork.ozlabs.org; Thu, 18 Oct 2012 10:51:40 -0400 Received: from eggs.gnu.org ([208.118.235.92]:41791) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TOrRX-0000zB-RW for qemu-devel@nongnu.org; Thu, 18 Oct 2012 10:51:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TOrRO-0008E7-B5 for qemu-devel@nongnu.org; Thu, 18 Oct 2012 10:51:27 -0400 Received: from mail-pb0-f45.google.com ([209.85.160.45]:41103) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TOrRO-0007US-66 for qemu-devel@nongnu.org; Thu, 18 Oct 2012 10:51:18 -0400 Received: by mail-pb0-f45.google.com with SMTP id rp2so8493742pbb.4 for ; Thu, 18 Oct 2012 07:51:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=20PwR7FAwGNtvk+jBrQ1rhmfq6Jy9woaImOanuS6zg4=; b=qkhdg7LJl786m65ZDKjn7OPzYd+9EdVTGe0pLKwvkxY7WuTfZ320Jmh33tLIbd9P/v C02YRfoZa26n2s2QQr02pQo6DAwVgZSm/q0G4RrCubbv9YFWblXNdipH6uOgsXlcjsZm aeSV+rsvSahClLf7+aJtR2+veumCZYJ5XfzMgoeIWqQi+aJ/M1Vx42SHSFr+DkzQNhWC r+rkWLoi+DchASRuujP7MiZydO06dGZxP8jODidQg4Z883oEHnpF4SzZrol55Tcs3Q0n vfU85yxt4HVabNyruh77Vahfl4H//EsgozzVclS8kwUxZm2F4p9aEfccfAX8WAkLnloZ QKhw== Received: by 10.66.85.133 with SMTP id h5mr60284970paz.10.1350571877738; Thu, 18 Oct 2012 07:51:17 -0700 (PDT) Received: from yakj.usersys.redhat.com (93-34-169-1.ip50.fastwebnet.it. [93.34.169.1]) by mx.google.com with ESMTPS id qb2sm14348236pbb.15.2012.10.18.07.51.11 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 18 Oct 2012 07:51:15 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Thu, 18 Oct 2012 16:49:29 +0200 Message-Id: <1350571770-9836-16-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.7.12.1 In-Reply-To: <1350571770-9836-1-git-send-email-pbonzini@redhat.com> References: <1350571770-9836-1-git-send-email-pbonzini@redhat.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.160.45 Cc: kwolf@redhat.com Subject: [Qemu-devel] [PATCH v3 15/16] qmp: add pull_event function 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 This function is unlike get_events in that it makes it easy to process one event at a time. This is useful in the mirroring test cases, where we want to process just one event (BLOCK_JOB_ERROR) and leave the others to a helper function. Acked-by: Luiz Capitulino Signed-off-by: Paolo Bonzini --- QMP/qmp.py | 20 ++++++++++++++++++++ 1 file modificato, 20 inserzioni(+) diff --git a/QMP/qmp.py b/QMP/qmp.py index 32510a1..c551df1 100644 --- a/QMP/qmp.py +++ b/QMP/qmp.py @@ -136,6 +136,26 @@ class QEMUMonitorProtocol: raise Exception(ret['error']['desc']) return ret['return'] + def pull_event(self, wait=False): + """ + Get and delete the first available QMP event. + + @param wait: block until an event is available (bool) + """ + self.__sock.setblocking(0) + try: + self.__json_read() + except socket.error, err: + if err[0] == errno.EAGAIN: + # No data available + pass + self.__sock.setblocking(1) + if not self.__events and wait: + self.__json_read(only_event=True) + event = self.__events[0] + del self.__events[0] + return event + def get_events(self, wait=False): """ Get a list of available QMP events.