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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1767513269; 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=JkaPeokfe5utn6p03yAUV+zIHdrTJ9M5DCqbRBawJ3I=; b=PlWQy4b9aC/fG6Pug019TEPPDEWe5A6VKZ06cpXvzgZmy6Hkhv6WSOComum0wFJIyiQZvl x3rr0zcUYN5vu7RqDSsfLXK1qYuWOX22wBCEgdDjOmqu8DtnTsuHSxg1oNKFJG5i4G5P9f 8wfEXf6ZUgPKisuX5uwiFvAWu5xfiSM= X-MC-Unique: XOeLbcXBOXetdo_xOVyxLA-1 X-Mimecast-MFC-AGG-ID: XOeLbcXBOXetdo_xOVyxLA_1767513265 From: Jason Wang To: zhangckid@gmail.com, lizhijian@fujitsu.com, jasowang@redhat.com, qemu-devel@nongnu.org Cc: lulu@redhat.com Subject: [PATCH 2/3] qtest: add a test to test redirector status change Date: Sun, 4 Jan 2026 15:54:11 +0800 Message-ID: <20260104075412.1262-3-jasowang@redhat.com> In-Reply-To: <20260104075412.1262-1-jasowang@redhat.com> References: <20260104075412.1262-1-jasowang@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" This patch adds a qtest to test the status change of filter-redirector. Two subtests were added: - test_redirector_status: tests dynamic on/off switching at runtime using qom-set QMP command - test_redirector_init_status_off: tests creating filter-redirector with status=3Doff from the start via command line Both tests verify that: 1. When status is off, data from indev chardev is not received 2. When status is switched to on, data is received correctly Signed-off-by: Jason Wang Reviewed-by: Zhang Chen --- tests/qtest/test-filter-redirector.c | 192 +++++++++++++++++++++++++++ 1 file changed, 192 insertions(+) diff --git a/tests/qtest/test-filter-redirector.c b/tests/qtest/test-filter= -redirector.c index a996a80c1c..da0c126314 100644 --- a/tests/qtest/test-filter-redirector.c +++ b/tests/qtest/test-filter-redirector.c @@ -196,10 +196,202 @@ static void test_redirector_rx(void) qtest_quit(qts); } =20 +/* + * Test filter-redirector status on/off switching. + * + * This test verifies that: + * 1. When status is set to "off", the filter stops receiving data from in= dev + * 2. When status is set back to "on", the filter resumes receiving data + */ +static void test_redirector_status(void) +{ + int backend_sock[2], send_sock; + uint32_t ret =3D 0, len =3D 0; + char send_buf[] =3D "Hello!!"; + char sock_path0[] =3D "filter-redirector0.XXXXXX"; + char *recv_buf; + uint32_t size =3D sizeof(send_buf); + size =3D htonl(size); + QTestState *qts; + struct timeval tv; + fd_set rfds; + + ret =3D socketpair(PF_UNIX, SOCK_STREAM, 0, backend_sock); + g_assert_cmpint(ret, !=3D, -1); + + ret =3D mkstemp(sock_path0); + g_assert_cmpint(ret, !=3D, -1); + + /* + * Setup a simple rx path: + * chardev (sock_path0) -> filter-redirector -> socket backend + */ + qts =3D qtest_initf( + "-nic socket,id=3Dqtest-bn0,fd=3D%d " + "-chardev socket,id=3Dredirector0,path=3D%s,server=3Don,wait=3Doff= " + "-object filter-redirector,id=3Dqtest-f0,netdev=3Dqtest-bn0," + "queue=3Drx,indev=3Dredirector0 ", + backend_sock[1], sock_path0); + + send_sock =3D unix_connect(sock_path0, NULL); + g_assert_cmpint(send_sock, !=3D, -1); + + /* send a qmp command to guarantee that 'connected' is setting to true= . */ + qtest_qmp_assert_success(qts, "{ 'execute' : 'query-status'}"); + + struct iovec iov[] =3D { + { + .iov_base =3D &size, + .iov_len =3D sizeof(size), + }, { + .iov_base =3D send_buf, + .iov_len =3D sizeof(send_buf), + }, + }; + + /* + * Test 1: Set status to "off" and verify data is not received + */ + qtest_qmp_assert_success(qts, + "{ 'execute': 'qom-set', 'arguments': " + "{ 'path': '/objects/qtest-f0', 'property': 'status', 'value': 'of= f' }}"); + + ret =3D iov_send(send_sock, iov, 2, 0, sizeof(size) + sizeof(send_buf)= ); + g_assert_cmpint(ret, =3D=3D, sizeof(send_buf) + sizeof(size)); + + /* + * Use select with timeout to check if data arrives. + * When status is off, no data should arrive. + */ + FD_ZERO(&rfds); + FD_SET(backend_sock[0], &rfds); + tv.tv_sec =3D 0; + tv.tv_usec =3D 500000; /* 500ms timeout */ + ret =3D select(backend_sock[0] + 1, &rfds, NULL, NULL, &tv); + g_assert_cmpint(ret, =3D=3D, 0); /* Should timeout, no data */ + + /* + * Test 2: Set status back to "on" and verify data is received + */ + qtest_qmp_assert_success(qts, + "{ 'execute': 'qom-set', 'arguments': " + "{ 'path': '/objects/qtest-f0', 'property': 'status', 'value': 'on= ' }}"); + + ret =3D iov_send(send_sock, iov, 2, 0, sizeof(size) + sizeof(send_buf)= ); + g_assert_cmpint(ret, =3D=3D, sizeof(send_buf) + sizeof(size)); + + ret =3D recv(backend_sock[0], &len, sizeof(len), 0); + g_assert_cmpint(ret, =3D=3D, sizeof(len)); + len =3D ntohl(len); + + g_assert_cmpint(len, =3D=3D, sizeof(send_buf)); + recv_buf =3D g_malloc(len); + ret =3D recv(backend_sock[0], recv_buf, len, 0); + g_assert_cmpint(ret, =3D=3D, len); + g_assert_cmpstr(recv_buf, =3D=3D, send_buf); + + g_free(recv_buf); + close(send_sock); + unlink(sock_path0); + qtest_quit(qts); +} + +/* + * Test filter-redirector created with status=3Doff. + * + * This test verifies that when a filter-redirector is created with + * status=3Doff, it does not receive data until status is set to on. + */ +static void test_redirector_init_status_off(void) +{ + int backend_sock[2], send_sock; + uint32_t ret =3D 0, len =3D 0; + char send_buf[] =3D "Hello!!"; + char sock_path0[] =3D "filter-redirector0.XXXXXX"; + char *recv_buf; + uint32_t size =3D sizeof(send_buf); + size =3D htonl(size); + QTestState *qts; + struct timeval tv; + fd_set rfds; + + ret =3D socketpair(PF_UNIX, SOCK_STREAM, 0, backend_sock); + g_assert_cmpint(ret, !=3D, -1); + + ret =3D mkstemp(sock_path0); + g_assert_cmpint(ret, !=3D, -1); + + /* + * Create filter-redirector with status=3Doff from the start + */ + qts =3D qtest_initf( + "-nic socket,id=3Dqtest-bn0,fd=3D%d " + "-chardev socket,id=3Dredirector0,path=3D%s,server=3Don,wait=3Doff= " + "-object filter-redirector,id=3Dqtest-f0,netdev=3Dqtest-bn0," + "queue=3Drx,indev=3Dredirector0,status=3Doff ", + backend_sock[1], sock_path0); + + send_sock =3D unix_connect(sock_path0, NULL); + g_assert_cmpint(send_sock, !=3D, -1); + + qtest_qmp_assert_success(qts, "{ 'execute' : 'query-status'}"); + + struct iovec iov[] =3D { + { + .iov_base =3D &size, + .iov_len =3D sizeof(size), + }, { + .iov_base =3D send_buf, + .iov_len =3D sizeof(send_buf), + }, + }; + + /* + * Test 1: Filter was created with status=3Doff, data should not be re= ceived + */ + ret =3D iov_send(send_sock, iov, 2, 0, sizeof(size) + sizeof(send_buf)= ); + g_assert_cmpint(ret, =3D=3D, sizeof(send_buf) + sizeof(size)); + + FD_ZERO(&rfds); + FD_SET(backend_sock[0], &rfds); + tv.tv_sec =3D 0; + tv.tv_usec =3D 500000; + ret =3D select(backend_sock[0] + 1, &rfds, NULL, NULL, &tv); + g_assert_cmpint(ret, =3D=3D, 0); /* Should timeout, no data */ + + /* + * Test 2: Set status to "on" and verify data is received + */ + qtest_qmp_assert_success(qts, + "{ 'execute': 'qom-set', 'arguments': " + "{ 'path': '/objects/qtest-f0', 'property': 'status', 'value': 'on= ' }}"); + + ret =3D iov_send(send_sock, iov, 2, 0, sizeof(size) + sizeof(send_buf)= ); + g_assert_cmpint(ret, =3D=3D, sizeof(send_buf) + sizeof(size)); + + ret =3D recv(backend_sock[0], &len, sizeof(len), 0); + g_assert_cmpint(ret, =3D=3D, sizeof(len)); + len =3D ntohl(len); + + g_assert_cmpint(len, =3D=3D, sizeof(send_buf)); + recv_buf =3D g_malloc(len); + ret =3D recv(backend_sock[0], recv_buf, len, 0); + g_assert_cmpint(ret, =3D=3D, len); + g_assert_cmpstr(recv_buf, =3D=3D, send_buf); + + g_free(recv_buf); + close(send_sock); + unlink(sock_path0); + qtest_quit(qts); +} + int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); qtest_add_func("/netfilter/redirector_tx", test_redirector_tx); qtest_add_func("/netfilter/redirector_rx", test_redirector_rx); + qtest_add_func("/netfilter/redirector_status", test_redirector_status); + qtest_add_func("/netfilter/redirector_init_status_off", + test_redirector_init_status_off); return g_test_run(); } --=20 2.34.1