From patchwork Tue Jul 25 18:03:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 13326888 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B82B9C0015E for ; Tue, 25 Jul 2023 18:05:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qOMO3-0002tv-GQ; Tue, 25 Jul 2023 14:03:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qOMO1-0002qS-5e for qemu-devel@nongnu.org; Tue, 25 Jul 2023 14:03:53 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qOMNv-00014d-V6 for qemu-devel@nongnu.org; Tue, 25 Jul 2023 14:03:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1690308226; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8VMLovqoYzZHjKkEoyIvN1jmOhnMPX7MkDUcSq33qDs=; b=GbJmnLCVZHBEiSVSBUHLtIIsV9fJmHHRDqEHIRWi5+C7Wk64Gu6y2iJUgxU008zYNL9ILG fpHr054cDuMJTa6OQhXthEwD/5otE9XWu00pkA/3d2agL8PfBe/qDQRdJFmVcmuOo5k+u2 uoGk93qukP+9HM9B16lBKJZgK8wvZ14= Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-358-aWJQLU-tOsaWKLsN1x6UYw-1; Tue, 25 Jul 2023 14:03:41 -0400 X-MC-Unique: aWJQLU-tOsaWKLsN1x6UYw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C8D632800171; Tue, 25 Jul 2023 18:03:40 +0000 (UTC) Received: from scv.redhat.com (unknown [10.22.8.145]) by smtp.corp.redhat.com (Postfix) with ESMTP id 316261454150; Tue, 25 Jul 2023 18:03:40 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Cc: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Hanna Reitz , Ani Sinha , Cleber Rosa , Wainer dos Santos Moschetta , qemu-arm@nongnu.org, qemu-block@nongnu.org, Andrew Jeffery , Joel Stanley , Kevin Wolf , =?utf-8?q?Phi?= =?utf-8?q?lippe_Mathieu-Daud=C3=A9?= , Beraldo Leal , Daniel Berrange , Peter Maydell , "Michael S. Tsirkin" , John Snow Subject: [PATCH v2 3/6] python/console_socket: accept existing FD in initializer Date: Tue, 25 Jul 2023 14:03:34 -0400 Message-ID: <20230725180337.2937292-4-jsnow@redhat.com> In-Reply-To: <20230725180337.2937292-1-jsnow@redhat.com> References: <20230725180337.2937292-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass client-ip=170.10.133.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Useful if we want to use ConsoleSocket() for a socket created by socketpair(). Signed-off-by: John Snow Reviewed-by: Daniel P. Berrangé Reviewed-by: Ani Sinha --- python/qemu/machine/console_socket.py | 29 +++++++++++++++++++-------- 1 file changed, 21 insertions(+), 8 deletions(-) diff --git a/python/qemu/machine/console_socket.py b/python/qemu/machine/console_socket.py index 4e28ba9bb2..0a4e09ffc7 100644 --- a/python/qemu/machine/console_socket.py +++ b/python/qemu/machine/console_socket.py @@ -24,19 +24,32 @@ class ConsoleSocket(socket.socket): """ ConsoleSocket represents a socket attached to a char device. - Optionally (if drain==True), drains the socket and places the bytes - into an in memory buffer for later processing. - - Optionally a file path can be passed in and we will also - dump the characters to this file for debugging purposes. + :param address: An AF_UNIX path or address. + :param sock_fd: Optionally, an existing socket file descriptor. + One of address or sock_fd must be specified. + :param file: Optionally, a filename to log to. + :param drain: Optionally, drains the socket and places the bytes + into an in memory buffer for later processing. """ - def __init__(self, address: str, file: Optional[str] = None, + def __init__(self, + address: Optional[str] = None, + sock_fd: Optional[int] = None, + file: Optional[str] = None, drain: bool = False): + if address is None and sock_fd is None: + raise ValueError("one of 'address' or 'sock_fd' must be specified") + if address is not None and sock_fd is not None: + raise ValueError("can't specify both 'address' and 'sock_fd'") + self._recv_timeout_sec = 300.0 self._sleep_time = 0.5 self._buffer: Deque[int] = deque() - socket.socket.__init__(self, socket.AF_UNIX, socket.SOCK_STREAM) - self.connect(address) + if address is not None: + socket.socket.__init__(self, socket.AF_UNIX, socket.SOCK_STREAM) + self.connect(address) + else: + assert sock_fd is not None + socket.socket.__init__(self, fileno=sock_fd) self._logfile = None if file: # pylint: disable=consider-using-with