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Fri, 05 Apr 2024 12:44:12 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEYNq/3m6oe9mc8X+UnR6YILpsnsmdsN9pekb+h5s0gv0RzTuyu1ekc3eBvdAbQuqjPrJC1Rg== X-Received: by 2002:ad4:5fcf:0:b0:699:225b:bb7d with SMTP id jq15-20020ad45fcf000000b00699225bbb7dmr2179978qvb.36.1712346251926; Fri, 05 Apr 2024 12:44:11 -0700 (PDT) Received: from localhost.localdomain ([140.141.139.15]) by smtp.gmail.com with ESMTPSA id eb18-20020ad44e52000000b006993284a977sm876141qvb.2.2024.04.05.12.44.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Apr 2024 12:44:11 -0700 (PDT) From: Steve Schrock To: ofono@lists.linux.dev Cc: Steve Schrock Subject: [PATCH v3 1/2] qmi: Create QRTR unit testing framework Date: Fri, 5 Apr 2024 19:42:49 +0000 Message-Id: <20240405194250.39561-1-steve.schrock@getcruise.com> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: ofono@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: faDZ2RgKMOw450ZZxv0lB6wp_ItP22xQ X-Proofpoint-GUID: faDZ2RgKMOw450ZZxv0lB6wp_ItP22xQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-05_23,2024-04-05_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 spamscore=0 mlxscore=0 suspectscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404050139 Use actual AF_QIPCRTR sockets to create test QRTR services that may be utilized to validate the functionality of the QRTR implementation of qmi_device. These initial tests validate that the qmi code is performing service lookup and instantiation properly. --- Makefile.am | 7 + unit/test-qmimodem-qmi.c | 286 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 293 insertions(+) create mode 100644 unit/test-qmimodem-qmi.c diff --git a/Makefile.am b/Makefile.am index 85bebae97830..3e545e8f11de 100644 --- a/Makefile.am +++ b/Makefile.am @@ -858,6 +858,7 @@ unit_tests = unit/test-common unit/test-util \ unit/test-simutil unit/test-stkutil \ unit/test-sms \ unit/test-mbim \ + unit/test-qmimodem-qmi \ unit/test-rilmodem-cs \ unit/test-rilmodem-sms \ unit/test-rilmodem-cb \ @@ -953,6 +954,12 @@ unit_test_mbim_SOURCES = unit/test-mbim.c \ unit_test_mbim_LDADD = $(ell_ldadd) unit_objects += $(unit_test_mbim_OBJECTS) +unit_test_qmimodem_qmi_SOURCES = unit/test-qmimodem-qmi.c src/common.c \ + src/util.c src/log.c \ + drivers/qmimodem/qmi.c +unit_test_qmimodem_qmi_LDADD = @GLIB_LIBS@ $(ell_ldadd) +unit_objects += $(unit_test_qmimodem_qmi_OBJECTS) + unit/test-provision.db: unit/test-provision.json $(AM_V_GEN)$(srcdir)/tools/provisiontool generate \ --infile $< --outfile $@ diff --git a/unit/test-qmimodem-qmi.c b/unit/test-qmimodem-qmi.c new file mode 100644 index 000000000000..ab19704e67cb --- /dev/null +++ b/unit/test-qmimodem-qmi.c @@ -0,0 +1,286 @@ +/* + * oFono - Open Source Telephony + * Copyright (C) 2024 Cruise, LLC + * + * SPDX-License-Identifier: GPL-2.0-only + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include "drivers/qmimodem/qmi.h" +#include + +#include +#include +#include +#include + +#include +#include + +#define TEST_SERVICE_COUNT 2 +#define TEST_TIMEOUT 5 + +struct test_info { + int service_fds[TEST_SERVICE_COUNT]; + struct qmi_device *device; + struct l_timeout *timeout; + struct l_queue *services; + bool discovery_callback_called : 1; +}; + +static uint32_t unique_service_type(uint32_t index) +{ + /* Try to use a value that will not conflict with any real services. */ + return index + 10000; +} + +static uint32_t unique_service_version(uint32_t index) +{ + return index + 10; +} + +static uint32_t unique_service_instance(uint32_t index) +{ + return index + 20; +} + +static int create_service(int i) +{ + int fd; + struct sockaddr_qrtr addr; + socklen_t addrlen; + struct qrtr_ctrl_pkt packet; + ssize_t bytes_sent; + + fd = socket(AF_QIPCRTR, SOCK_DGRAM, 0); + if (fd == -1) { + DBG("Could not create AF_QIPCRTR socket: %s", strerror(errno)); + return -errno; + } + + /* + * The control node is configured by the system. Use getsockname to + * get its node. + */ + addrlen = sizeof(addr); + if (getsockname(fd, (struct sockaddr *) &addr, &addrlen) == -1) { + DBG("getsockname failed: %s", strerror(errno)); + goto error; + } + + if (addr.sq_family != AF_QIPCRTR || addrlen != sizeof(addr)) { + DBG("Unexpected sockaddr from getsockname. family: %d size: %d", + addr.sq_family, addrlen); + goto error; + } + + /* Node and port are assigned automatically so no need to set them */ + memset(&packet, 0, sizeof(packet)); + packet.cmd = L_CPU_TO_LE32(QRTR_TYPE_NEW_SERVER); + packet.server.service = L_CPU_TO_LE32(unique_service_type(i)); + packet.server.instance = L_CPU_TO_LE32( + unique_service_instance(i) << 8 | + unique_service_version(i)); + + bytes_sent = sendto(fd, &packet, sizeof(packet), 0, + (struct sockaddr *) &addr, addrlen); + if (bytes_sent != sizeof(packet)) { + DBG("sendto to set up the qrtr service failed: %s", + strerror(errno)); + goto error; + } + + return fd; + +error: + close(fd); + + return -errno; +} + +static void setup_test_qrtr_services(struct test_info *info) +{ + int i; + + for (i = 0; i < TEST_SERVICE_COUNT; ++i) { + info->service_fds[i] = create_service(i); + assert(info->service_fds[i] >= 0); + } +} + +static void debug_log(const char *str, void *user_data) +{ + printf("%s\n", str); +} + +static void test_timeout_cb(struct l_timeout *timeout, void *user_data) +{ + DBG("Test timed out!"); + assert(false); +} + +static struct test_info *test_setup(void) +{ + struct test_info *info; + + l_main_init(); + + info = l_new(struct test_info, 1); + setup_test_qrtr_services(info); + info->device = qmi_device_new_qrtr(); + assert(info->device); + + /* Enable ofono logging */ + qmi_device_set_debug(info->device, debug_log, NULL); + + info->services = l_queue_new(); + info->timeout = l_timeout_create(TEST_TIMEOUT, test_timeout_cb, info, + NULL); + + return info; +} + +static void test_cleanup(struct test_info *info) +{ + int i; + + l_timeout_remove(info->timeout); + l_queue_destroy(info->services, + (l_queue_destroy_func_t) qmi_service_unref); + qmi_device_free(info->device); + + /* The qrtr services will be destroyed automatically. */ + for (i = 0; i < TEST_SERVICE_COUNT; ++i) + close(info->service_fds[i]); + + l_free(info); + + l_main_exit(); +} + +static void test_create_qrtr_device(const void *data) +{ + struct test_info *info = test_setup(); + + test_cleanup(info); +} + +static void discovery_complete_cb(void *user_data) +{ + struct test_info *info = user_data; + + info->discovery_callback_called = true; +} + +static void perform_discovery(struct test_info *info) +{ + qmi_device_discover(info->device, discovery_complete_cb, info, NULL); + + while (!info->discovery_callback_called) + l_main_iterate(-1); +} + +static void test_discovery(const void *data) +{ + struct test_info *info = test_setup(); + + perform_discovery(info); + + test_cleanup(info); +} + +static void create_service_cb(struct qmi_service *service, void *user_data) +{ + struct test_info *info = user_data; + + service = qmi_service_ref(service); + l_queue_push_tail(info->services, service); +} + +/* Callbacks could queue other callbacks so continue until there are no more. */ +static void perform_all_pending_work(void) +{ + l_main_iterate(0); + + while (l_main_prepare() != -1) + l_main_iterate(0); +} + +static void test_create_services(const void *data) +{ + struct test_info *info = test_setup(); + uint32_t service_type; + int i; + + perform_discovery(info); + + for (i = 0; i < TEST_SERVICE_COUNT; i++) { + struct qmi_service *service; + uint16_t major, minor; + + service_type = unique_service_type(i); + assert(qmi_service_create(info->device, service_type, + create_service_cb, info, NULL)); + perform_all_pending_work(); + + assert(l_queue_length(info->services) == 1); + service = l_queue_pop_head(info->services); + assert(service); + + assert(qmi_service_get_version(service, &major, &minor)); + assert(major == unique_service_version(i)); + assert(minor == 0); + + qmi_service_unref(service); + } + + /* + * Confirm that an unknown service cannot be created and does not + * call the callback. + */ + service_type = unique_service_type(TEST_SERVICE_COUNT); + assert(!qmi_service_create(info->device, service_type, + create_service_cb, info, NULL)); + perform_all_pending_work(); + assert(l_queue_isempty(info->services)); + + test_cleanup(info); +} + +static void exit_if_qrtr_not_supported(void) +{ + int fd; + + fd = socket(AF_QIPCRTR, SOCK_DGRAM, 0); + if (fd == -1) { + printf("Could not create AF_QIPCRTR socket: %s\n", + strerror(errno)); + printf("Skipping tests...\n"); + exit(0); + } + + close(fd); +} + +int main(int argc, char **argv) +{ + int result; + + exit_if_qrtr_not_supported(); + + /* Enable all DBG logging */ + __ofono_log_init(argv[0], "*", FALSE); + + l_test_init(&argc, &argv); + l_test_add("QRTR device creation", test_create_qrtr_device, NULL); + l_test_add("QRTR discovery", test_discovery, NULL); + l_test_add("QRTR services may be created", test_create_services, NULL); + result = l_test_run(); + + __ofono_log_cleanup(); + + return result; +}