Spdk/test/unit/lib/sock/posix.c/posix_ut.c

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#include "spdk/stdinc.h"
#include "spdk/util.h"

#include "spdk_internal/mock.h"

#include "spdk_cunit.h"

#include "sock/posix/posix.c"

DEFINE_STUB_V(spdk_net_impl_register, (struct spdk_net_impl *impl));
DEFINE_STUB(spdk_sock_close, int, (struct spdk_sock **s), 0);

static void
_req_cb(void *cb_arg, int len)
{
	*(bool *)cb_arg = true;
	CU_ASSERT(len == 0);
}

static void
flush(void)
{
	struct spdk_posix_sock_group_impl group = {};
	struct spdk_posix_sock psock = {};
	struct spdk_sock *sock = &psock.base;
	struct spdk_sock_request *req1, *req2;
	bool cb_arg1, cb_arg2;
	int rc;

	/* Set up data structures */
	TAILQ_INIT(&sock->queued_reqs);
	TAILQ_INIT(&sock->pending_reqs);
	sock->group_impl = &group.base;

	req1 = calloc(1, sizeof(struct spdk_sock_request) + 2 * sizeof(struct iovec));
	SPDK_CU_ASSERT_FATAL(req1 != NULL);
	SPDK_SOCK_REQUEST_IOV(req1, 0)->iov_base = (void *)100;
	SPDK_SOCK_REQUEST_IOV(req1, 0)->iov_len = 32;
	SPDK_SOCK_REQUEST_IOV(req1, 1)->iov_base = (void *)200;
	SPDK_SOCK_REQUEST_IOV(req1, 1)->iov_len = 32;
	req1->iovcnt = 2;
	req1->cb_fn = _req_cb;
	req1->cb_arg = &cb_arg1;

	req2 = calloc(1, sizeof(struct spdk_sock_request) + 2 * sizeof(struct iovec));
	SPDK_CU_ASSERT_FATAL(req2 != NULL);
	SPDK_SOCK_REQUEST_IOV(req2, 0)->iov_base = (void *)100;
	SPDK_SOCK_REQUEST_IOV(req2, 0)->iov_len = 32;
	SPDK_SOCK_REQUEST_IOV(req2, 1)->iov_base = (void *)200;
	SPDK_SOCK_REQUEST_IOV(req2, 1)->iov_len = 32;
	req2->iovcnt = 2;
	req2->cb_fn = _req_cb;
	req2->cb_arg = &cb_arg2;

	/* Simple test - a request with a 2 element iovec
	 * that gets submitted in a single writev. */
	spdk_sock_request_queue(sock, req1);
	MOCK_SET(writev, 64);
	cb_arg1 = false;
	rc = _sock_flush(sock);
	CU_ASSERT(rc == 0);
	CU_ASSERT(cb_arg1 == true);
	CU_ASSERT(TAILQ_EMPTY(&sock->queued_reqs));

	/* Two requests, where both can fully send. */
	spdk_sock_request_queue(sock, req1);
	spdk_sock_request_queue(sock, req2);
	MOCK_SET(writev, 128);
	cb_arg1 = false;
	cb_arg2 = false;
	rc = _sock_flush(sock);
	CU_ASSERT(rc == 0);
	CU_ASSERT(cb_arg1 == true);
	CU_ASSERT(cb_arg2 == true);
	CU_ASSERT(TAILQ_EMPTY(&sock->queued_reqs));

	/* Two requests. Only first one can send */
	spdk_sock_request_queue(sock, req1);
	spdk_sock_request_queue(sock, req2);
	MOCK_SET(writev, 64);
	cb_arg1 = false;
	cb_arg2 = false;
	rc = _sock_flush(sock);
	CU_ASSERT(rc == 0);
	CU_ASSERT(cb_arg1 == true);
	CU_ASSERT(cb_arg2 == false);
	CU_ASSERT(TAILQ_FIRST(&sock->queued_reqs) == req2);
	TAILQ_REMOVE(&sock->queued_reqs, req2, internal.link);
	CU_ASSERT(TAILQ_EMPTY(&sock->queued_reqs));

	/* One request. Partial send. */
	spdk_sock_request_queue(sock, req1);
	MOCK_SET(writev, 10);
	cb_arg1 = false;
	rc = _sock_flush(sock);
	CU_ASSERT(rc == 0);
	CU_ASSERT(cb_arg1 == false);
	CU_ASSERT(TAILQ_FIRST(&sock->queued_reqs) == req1);

	/* Do a second flush that partial sends again. */
	MOCK_SET(writev, 24);
	cb_arg1 = false;
	rc = _sock_flush(sock);
	CU_ASSERT(rc == 0);
	CU_ASSERT(cb_arg1 == false);
	CU_ASSERT(TAILQ_FIRST(&sock->queued_reqs) == req1);

	/* Flush the rest of the data */
	MOCK_SET(writev, 30);
	cb_arg1 = false;
	rc = _sock_flush(sock);
	CU_ASSERT(rc == 0);
	CU_ASSERT(cb_arg1 == true);
	CU_ASSERT(TAILQ_EMPTY(&sock->queued_reqs));

	free(req1);
	free(req2);
}

int
main(int argc, char **argv)
{
	CU_pSuite	suite = NULL;
	unsigned int	num_failures;

	if (CU_initialize_registry() != CUE_SUCCESS) {
		return CU_get_error();
	}

	suite = CU_add_suite("posix", NULL, NULL);
	if (suite == NULL) {
		CU_cleanup_registry();
		return CU_get_error();
	}

	if (
		CU_add_test(suite, "flush", flush) == NULL) {
		CU_cleanup_registry();
		return CU_get_error();
	}

	CU_basic_set_mode(CU_BRM_VERBOSE);

	CU_basic_run_tests();

	num_failures = CU_get_number_of_failures();
	CU_cleanup_registry();

	return num_failures;
}