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Mon, 20 Jan 2020 05:54:45 +0000 Received: from mozz.bu.edu (128.197.127.33) by MN2PR20CA0032.namprd20.prod.outlook.com (2603:10b6:208:e8::45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2644.20 via Frontend Transport; Mon, 20 Jan 2020 05:54:44 +0000 From: "Bulekov, Alexander" To: "qemu-devel@nongnu.org" Subject: [PATCH v7 04/20] qtest: add qtest_server_send abstraction Thread-Topic: [PATCH v7 04/20] qtest: add qtest_server_send abstraction Thread-Index: AQHVz1YdkBRcp/nvekGe+H+4f1sQyg== Date: Mon, 20 Jan 2020 05:54:45 +0000 Message-ID: <20200120055410.22322-6-alxndr@bu.edu> References: <20200120055410.22322-1-alxndr@bu.edu> In-Reply-To: <20200120055410.22322-1-alxndr@bu.edu> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.23.0 x-originating-ip: [128.197.127.33] x-clientproxiedby: MN2PR20CA0032.namprd20.prod.outlook.com (2603:10b6:208:e8::45) To SN6PR03MB3871.namprd03.prod.outlook.com (2603:10b6:805:6d::32) authentication-results: spf=none (sender IP is ) smtp.mailfrom=alxndr@bu.edu; 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x-microsoft-antispam-message-info: bxfh8wO6frw/oVbZkEu3yjqGAjUa/Hy1EbiFD/tv5mXjjfyFekNs6TzuaB9kcEMulR6+wTo6QofYmE+obDyJrv6zg+327LTWYyDnYq2l+euJKaPuS6t1NPMWBoTqb1eAv7kkYrleyllbllvyNRlfMJNeMSaFDMOCC9BhT4+fyHhwYZ3kN5m3G0cwoDZuQ7GDE6CvhiG0KWWgS6jEoPWV+04HgSnmgA6itDTrCUcVqOOMnTk+2hYqI3dTTCzFjnREd6lHFn8KIShR9GJrm3YcOVkcavPZjb17cZDpE0rB1ejo1SggB/U9OxJdkbKZHAAszp/EGPxP/fbSmoMmFCwDZXg6+g5KD4lVkBrOxUOtT7m9RXrPlhk4eNCbETBuS7odd8tc16JYkFpoox20O35i9ZrxV+Fgu9q1/E3++6u5pRhJIsiDEVXBBRZhH5UbPnAt Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: bu.edu X-MS-Exchange-CrossTenant-Network-Message-Id: c0af5f6b-a531-4a69-a917-08d79d6d4010 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jan 2020 05:54:45.1872 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d57d32cc-c121-488f-b07b-dfe705680c71 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: VxW6CNDIOYogVsRl453OzGE6VCFHIRSff8u195CP2q6wPSkWMhK9irHjJi7GCU6Y X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR03MB4399 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.92.110 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: Laurent Vivier , Thomas Huth , "Bulekov, Alexander" , "bsd@redhat.com" , "stefanha@redhat.com" , "pbonzini@redhat.com" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" qtest_server_send is a function pointer specifying the handler used to transmit data to the qtest client. In the standard configuration, this calls the CharBackend handler, but now it is possible for other types of handlers, e.g direct-function calls if the qtest client and server exist within the same process (inproc) Signed-off-by: Alexander Bulekov Reviewed-by: Stefan Hajnoczi Acked-by: Thomas Huth --- include/sysemu/qtest.h | 3 +++ qtest.c | 18 ++++++++++++++++-- 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/include/sysemu/qtest.h b/include/sysemu/qtest.h index 5ed09c80b1..e2f1047fd7 100644 --- a/include/sysemu/qtest.h +++ b/include/sysemu/qtest.h @@ -26,4 +26,7 @@ bool qtest_driver(void); =20 void qtest_server_init(const char *qtest_chrdev, const char *qtest_log, Er= ror **errp); =20 +void qtest_server_set_send_handler(void (*send)(void *, const char *), + void *opaque); + #endif diff --git a/qtest.c b/qtest.c index 12432f99cf..938c3746d6 100644 --- a/qtest.c +++ b/qtest.c @@ -42,6 +42,8 @@ static GString *inbuf; static int irq_levels[MAX_IRQ]; static qemu_timeval start_time; static bool qtest_opened; +static void (*qtest_server_send)(void*, const char*); +static void *qtest_server_send_opaque; =20 #define FMT_timeval "%ld.%06ld" =20 @@ -228,8 +230,10 @@ static void GCC_FMT_ATTR(1, 2) qtest_log_send(const ch= ar *fmt, ...) va_end(ap); } =20 -static void do_qtest_send(CharBackend *chr, const char *str, size_t len) +static void qtest_server_char_be_send(void *opaque, const char *str) { + size_t len =3D strlen(str); + CharBackend* chr =3D (CharBackend *)opaque; qemu_chr_fe_write_all(chr, (uint8_t *)str, len); if (qtest_log_fp && qtest_opened) { fprintf(qtest_log_fp, "%s", str); @@ -238,7 +242,7 @@ static void do_qtest_send(CharBackend *chr, const char = *str, size_t len) =20 static void qtest_send(CharBackend *chr, const char *str) { - do_qtest_send(chr, str, strlen(str)); + qtest_server_send(qtest_server_send_opaque, str); } =20 static void GCC_FMT_ATTR(2, 3) qtest_sendf(CharBackend *chr, @@ -783,6 +787,16 @@ void qtest_server_init(const char *qtest_chrdev, const= char *qtest_log, Error ** qemu_chr_fe_set_echo(&qtest_chr, true); =20 inbuf =3D g_string_new(""); + + if (!qtest_server_send) { + qtest_server_set_send_handler(qtest_server_char_be_send, &qtest_ch= r); + } +} + +void qtest_server_set_send_handler(void (*send)(void*, const char*), void = *opaque) +{ + qtest_server_send =3D send; + qtest_server_send_opaque =3D opaque; } =20 bool qtest_driver(void) --=20 2.23.0