From patchwork Sat Jan 22 00:09:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 1582891 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=NGuByNZ0; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4JgcQ6301Fz9t0k for ; Sat, 22 Jan 2022 11:22:22 +1100 (AEDT) Received: from localhost ([::1]:51902 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nB4Ac-00013v-CM for incoming@patchwork.ozlabs.org; Fri, 21 Jan 2022 19:22:18 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39036) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nB3yk-0000hR-LJ for qemu-devel@nongnu.org; Fri, 21 Jan 2022 19:10:02 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:29547) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nB3yi-0005Cr-Oa for qemu-devel@nongnu.org; Fri, 21 Jan 2022 19:10:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1642810200; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5fapd+iJCU2gqTizCl2vmpK4gpAcQOtyiLCN9oHVTd8=; b=NGuByNZ0QWdt+KOnNyStVxoeGROCwvcr+s88p6+I9FXmM3rzpCCwx18HOnp/BT1kzIpcVH VWwnlqlrunMgU8N9M7YU3bMWKe6AG1F0tpKL9noiV9lzXtV5E3G3WF8h1RJ9YDWn3R0zHN ahBUWInEgCg3bfHfM5SC6s8xR7Z+IVs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-519-EUQEtFBLPmOgi0rnIMm6qA-1; Fri, 21 Jan 2022 19:09:57 -0500 X-MC-Unique: EUQEtFBLPmOgi0rnIMm6qA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E707E802925; Sat, 22 Jan 2022 00:09:55 +0000 (UTC) Received: from scv.redhat.com (unknown [10.22.19.60]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1CC3E66E1B; Sat, 22 Jan 2022 00:09:55 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PULL 12/17] python/qmp: switch qmp-shell to AQMP Date: Fri, 21 Jan 2022 19:09:26 -0500 Message-Id: <20220122000931.536322-13-jsnow@redhat.com> In-Reply-To: <20220122000931.536322-1-jsnow@redhat.com> References: <20220122000931.536322-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jsnow@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.129.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.699, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , Peter Maydell , Vladimir Sementsov-Ogievskiy , Markus Armbruster , Cleber Rosa , John Snow Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" We have a replacement for async QMP, but it doesn't have feature parity yet. For now, then, port the old tool onto the new backend. Signed-off-by: John Snow Reviewed-by: Vladimir Sementsov-Ogievskiy --- python/qemu/aqmp/legacy.py | 3 +++ python/qemu/qmp/qmp_shell.py | 31 +++++++++++++++++-------------- 2 files changed, 20 insertions(+), 14 deletions(-) diff --git a/python/qemu/aqmp/legacy.py b/python/qemu/aqmp/legacy.py index 27df22818a..0890f95b16 100644 --- a/python/qemu/aqmp/legacy.py +++ b/python/qemu/aqmp/legacy.py @@ -22,6 +22,9 @@ from .qmp_client import QMPClient +# (Temporarily) Re-export QMPBadPortError +QMPBadPortError = qemu.qmp.QMPBadPortError + #: QMPMessage is an entire QMP message of any kind. QMPMessage = Dict[str, Any] diff --git a/python/qemu/qmp/qmp_shell.py b/python/qemu/qmp/qmp_shell.py index e7d7eb18f1..d11bf54b00 100644 --- a/python/qemu/qmp/qmp_shell.py +++ b/python/qemu/qmp/qmp_shell.py @@ -95,8 +95,13 @@ Sequence, ) -from qemu import qmp -from qemu.qmp import QMPMessage +from qemu.aqmp import ConnectError, QMPError, SocketAddrT +from qemu.aqmp.legacy import ( + QEMUMonitorProtocol, + QMPBadPortError, + QMPMessage, + QMPObject, +) LOG = logging.getLogger(__name__) @@ -125,7 +130,7 @@ def complete(self, text: str, state: int) -> Optional[str]: return None -class QMPShellError(qmp.QMPError): +class QMPShellError(QMPError): """ QMP Shell Base error class. """ @@ -153,7 +158,7 @@ def visit_Name(cls, # pylint: disable=invalid-name return node -class QMPShell(qmp.QEMUMonitorProtocol): +class QMPShell(QEMUMonitorProtocol): """ QMPShell provides a basic readline-based QMP shell. @@ -161,7 +166,7 @@ class QMPShell(qmp.QEMUMonitorProtocol): :param pretty: Pretty-print QMP messages. :param verbose: Echo outgoing QMP messages to console. """ - def __init__(self, address: qmp.SocketAddrT, + def __init__(self, address: SocketAddrT, pretty: bool = False, verbose: bool = False): super().__init__(address) self._greeting: Optional[QMPMessage] = None @@ -237,7 +242,7 @@ def _parse_value(cls, val: str) -> object: def _cli_expr(self, tokens: Sequence[str], - parent: qmp.QMPObject) -> None: + parent: QMPObject) -> None: for arg in tokens: (key, sep, val) = arg.partition('=') if sep != '=': @@ -403,7 +408,7 @@ class HMPShell(QMPShell): :param pretty: Pretty-print QMP messages. :param verbose: Echo outgoing QMP messages to console. """ - def __init__(self, address: qmp.SocketAddrT, + def __init__(self, address: SocketAddrT, pretty: bool = False, verbose: bool = False): super().__init__(address, pretty, verbose) self._cpu_index = 0 @@ -512,19 +517,17 @@ def main() -> None: try: address = shell_class.parse_address(args.qmp_server) - except qmp.QMPBadPortError: + except QMPBadPortError: parser.error(f"Bad port number: {args.qmp_server}") return # pycharm doesn't know error() is noreturn with shell_class(address, args.pretty, args.verbose) as qemu: try: qemu.connect(negotiate=not args.skip_negotiation) - except qmp.QMPConnectError: - die("Didn't get QMP greeting message") - except qmp.QMPCapabilitiesError: - die("Couldn't negotiate capabilities") - except OSError as err: - die(f"Couldn't connect to {args.qmp_server}: {err!s}") + except ConnectError as err: + if isinstance(err.exc, OSError): + die(f"Couldn't connect to {args.qmp_server}: {err!s}") + die(str(err)) for _ in qemu.repl(): pass