From patchwork Sat Dec 19 10:55:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 1418679 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=AkXYj153; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4Cyjbg6bWqz9sWD for ; Sat, 19 Dec 2020 22:06:39 +1100 (AEDT) Received: from localhost ([::1]:43906 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kqa4L-0002Bl-RE for incoming@patchwork.ozlabs.org; Sat, 19 Dec 2020 06:06:37 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:50740) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kqZts-0004rj-Nb for qemu-devel@nongnu.org; Sat, 19 Dec 2020 05:55:48 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:44799) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kqZtk-0007GL-IE for qemu-devel@nongnu.org; Sat, 19 Dec 2020 05:55:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1608375340; 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=SqszXK3OLbu9tC4hbDtYV25ppD/DArFagYR6z5JaLtg=; b=AkXYj153ceIkVT8cEbpTXe4KEHbo7L2bJpkxYgKX6JGW39XJRh3VTMOUpEIjSBUzh1ejhj pPkFTKpR3gexrTDJ57Q59DAXOufAGaCzDV1U0TmX/MzRMfSBXa7lOj1My59ai4jreeXxuD UOhsWcfcPjgxZ7fofDVnPTtHSDjUEsY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-25-2J0NSGNlPUmxJG2lDJH4bA-1; Sat, 19 Dec 2020 05:55:37 -0500 X-MC-Unique: 2J0NSGNlPUmxJG2lDJH4bA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DDCF8800D53; Sat, 19 Dec 2020 10:55:36 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-103.ams2.redhat.com [10.36.112.103]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AE83F5D9C2; Sat, 19 Dec 2020 10:55:36 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 8C8D81126895; Sat, 19 Dec 2020 11:55:32 +0100 (CET) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 15/33] monitor: Use GString instead of QString for output buffer Date: Sat, 19 Dec 2020 11:55:14 +0100 Message-Id: <20201219105532.1734134-16-armbru@redhat.com> In-Reply-To: <20201219105532.1734134-1-armbru@redhat.com> References: <20201219105532.1734134-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=armbru@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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, "Dr . David Alan Gilbert" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" GString has a richer set of string operations than QString. It should be preferred to QString except where we need a QObject or reference counting. We don't here. Switch to GString, and put its richer interface to use. Cc: Dr. David Alan Gilbert Signed-off-by: Markus Armbruster Message-Id: <20201211171152.146877-3-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert --- monitor/monitor-internal.h | 2 +- monitor/misc.c | 2 +- monitor/monitor.c | 20 ++++++++------------ 3 files changed, 10 insertions(+), 14 deletions(-) diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h index a6131554da..40903d6386 100644 --- a/monitor/monitor-internal.h +++ b/monitor/monitor-internal.h @@ -105,7 +105,7 @@ struct Monitor { * Members that are protected by the per-monitor lock */ QLIST_HEAD(, mon_fd_t) fds; - QString *outbuf; + GString *outbuf; guint out_watch; /* Read under either BQL or mon_lock, written with BQL+mon_lock. */ int mux_out; diff --git a/monitor/misc.c b/monitor/misc.c index 33d0dae2e8..10444b4e7a 100644 --- a/monitor/misc.c +++ b/monitor/misc.c @@ -136,7 +136,7 @@ char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index, handle_hmp_command(&hmp, command_line); WITH_QEMU_LOCK_GUARD(&hmp.common.mon_lock) { - output = g_strdup(qstring_get_str(hmp.common.outbuf)); + output = g_strdup(hmp.common.outbuf->str); } out: diff --git a/monitor/monitor.c b/monitor/monitor.c index 84222cd130..1e4a6b3f20 100644 --- a/monitor/monitor.c +++ b/monitor/monitor.c @@ -29,7 +29,6 @@ #include "qapi/qapi-emit-events.h" #include "qapi/qapi-visit-control.h" #include "qapi/qmp/qdict.h" -#include "qapi/qmp/qstring.h" #include "qemu/error-report.h" #include "qemu/option.h" #include "sysemu/qtest.h" @@ -181,22 +180,19 @@ static void monitor_flush_locked(Monitor *mon) return; } - buf = qstring_get_str(mon->outbuf); - len = qstring_get_length(mon->outbuf); + buf = mon->outbuf->str; + len = mon->outbuf->len; if (len && !mon->mux_out) { rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len); if ((rc < 0 && errno != EAGAIN) || (rc == len)) { /* all flushed or error */ - qobject_unref(mon->outbuf); - mon->outbuf = qstring_new(); + g_string_truncate(mon->outbuf, 0); return; } if (rc > 0) { /* partial write */ - QString *tmp = qstring_from_str(buf + rc); - qobject_unref(mon->outbuf); - mon->outbuf = tmp; + g_string_erase(mon->outbuf, 0, rc); } if (mon->out_watch == 0) { mon->out_watch = @@ -223,9 +219,9 @@ int monitor_puts(Monitor *mon, const char *str) for (i = 0; str[i]; i++) { c = str[i]; if (c == '\n') { - qstring_append_chr(mon->outbuf, '\r'); + g_string_append_c(mon->outbuf, '\r'); } - qstring_append_chr(mon->outbuf, c); + g_string_append_c(mon->outbuf, c); if (c == '\n') { monitor_flush_locked(mon); } @@ -602,7 +598,7 @@ void monitor_data_init(Monitor *mon, bool is_qmp, bool skip_flush, } qemu_mutex_init(&mon->mon_lock); mon->is_qmp = is_qmp; - mon->outbuf = qstring_new(); + mon->outbuf = g_string_new(NULL); mon->skip_flush = skip_flush; mon->use_io_thread = use_io_thread; } @@ -616,7 +612,7 @@ void monitor_data_destroy(Monitor *mon) } else { readline_free(container_of(mon, MonitorHMP, common)->rs); } - qobject_unref(mon->outbuf); + g_string_free(mon->outbuf, true); qemu_mutex_destroy(&mon->mon_lock); }