diff options
Diffstat (limited to 'tests/osmo_io/osmo_io_test.c')
| -rw-r--r-- | tests/osmo_io/osmo_io_test.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/tests/osmo_io/osmo_io_test.c b/tests/osmo_io/osmo_io_test.c new file mode 100644 index 00000000..93beef4f --- /dev/null +++ b/tests/osmo_io/osmo_io_test.c @@ -0,0 +1,178 @@ +/* + * (C) 2023 by sysmocom s.f.m.c + * Author: Daniel Willmann <daniel@sysmocom.de> + * + * All Rights Reserved + * + * SPDX-License-Identifier: GPL-2.0+ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <sys/socket.h> +#include <errno.h> + +#include <osmocom/core/application.h> +#include <osmocom/core/bits.h> +#include <osmocom/core/logging.h> +#include <osmocom/core/msgb.h> +#include <osmocom/core/osmo_io.h> +#include <osmocom/core/select.h> +#include <osmocom/core/utils.h> + +#include "config.h" + +#define TEST_START() printf("Running %s\n", __func__) + +static uint8_t TESTDATA[] = { + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 +}; + + +static void *ctx = NULL; + +static void read_cb(struct osmo_io_fd *iofd, int rc, struct msgb *msg) +{ + printf("%s: read() msg with len=%d\n", osmo_iofd_get_name(iofd), rc); + if (msg) + printf("%s\n", osmo_hexdump(msgb_data(msg), msgb_length(msg))); + + talloc_free(msg); +} + +static void write_cb(struct osmo_io_fd *iofd, int rc, struct msgb *msg) +{ + uint8_t *buf; + printf("%s: write() returned rc=%d\n", osmo_iofd_get_name(iofd), rc); + if (rc == 0) { + msg = msgb_alloc(1024, "Test data"); + buf = msgb_put(msg, sizeof(TESTDATA)); + memcpy(buf, TESTDATA, sizeof(TESTDATA)); + + osmo_iofd_write_msgb(iofd, msg); + } +} + +struct osmo_io_ops ioops_conn_read_write = { + .read_cb = read_cb, + .write_cb = write_cb, +}; + +static void test_connected(void) +{ + int fds[2] = {0, 0}, rc; + struct osmo_io_fd *iofd1, *iofd2; + + TEST_START(); + + rc = socketpair(AF_UNIX, SOCK_STREAM, 0, fds); + OSMO_ASSERT(rc == 0); + + iofd1 = osmo_iofd_setup(ctx, fds[0], "ep1", OSMO_IO_FD_MODE_READ_WRITE, &ioops_conn_read_write, NULL); + osmo_iofd_register(iofd1, fds[0]); + iofd2 = osmo_iofd_setup(ctx, fds[1], "ep2", OSMO_IO_FD_MODE_READ_WRITE, &ioops_conn_read_write, NULL); + osmo_iofd_register(iofd2, fds[1]); + // Explicitly check if ep1 is connected through write_cb + osmo_iofd_notify_connected(iofd1); + + /* Allow enough cycles to handle the messages */ + for (int i = 0; i < 128; i++) + osmo_select_main(1); + + osmo_iofd_free(iofd1); + osmo_iofd_free(iofd2); + + for (int i = 0; i < 128; i++) + osmo_select_main(1); +} + +static void recvfrom_cb(struct osmo_io_fd *iofd, int rc, struct msgb *msg, + const struct osmo_sockaddr *saddr) +{ + printf("%s: recvfrom() msg with len=%d\n", osmo_iofd_get_name(iofd), rc); + if (msg) + printf("%s\n", osmo_hexdump(msgb_data(msg), msgb_length(msg))); + + talloc_free(msg); +} + +static void sendto_cb(struct osmo_io_fd *iofd, int rc, struct msgb *msg, + const struct osmo_sockaddr *daddr) +{ + printf("%s: sendto() returned rc=%d\n", osmo_iofd_get_name(iofd), rc); +} + +struct osmo_io_ops ioops_conn_recvfrom_sendto = { + .sendto_cb = sendto_cb, + .recvfrom_cb = recvfrom_cb, +}; + +static void test_unconnected(void) +{ + int fds[2] = {0, 0}, rc; + struct osmo_io_fd *iofd1, *iofd2; + struct msgb *msg; + uint8_t *buf; + + TEST_START(); + + rc = socketpair(AF_UNIX, SOCK_DGRAM, 0, fds); + OSMO_ASSERT(rc == 0); + + iofd1 = osmo_iofd_setup(ctx, fds[0], "ep1", OSMO_IO_FD_MODE_RECVFROM_SENDTO, &ioops_conn_recvfrom_sendto, NULL); + osmo_iofd_register(iofd1, fds[0]); + iofd2 = osmo_iofd_setup(ctx, fds[1], "ep2", OSMO_IO_FD_MODE_RECVFROM_SENDTO, &ioops_conn_recvfrom_sendto, NULL); + osmo_iofd_register(iofd2, fds[1]); + + msg = msgb_alloc(1024, "Test data"); + buf = msgb_put(msg, sizeof(TESTDATA)); + memcpy(buf, TESTDATA, sizeof(TESTDATA)); + + osmo_iofd_sendto_msgb(iofd1, msg, 0, NULL); + + /* Allow enough cycles to handle the messages */ + for (int i = 0; i < 128; i++) + osmo_select_main(1); + + osmo_iofd_free(iofd1); + osmo_iofd_free(iofd2); + + for (int i = 0; i < 128; i++) + osmo_select_main(1); +} +static const struct log_info_cat default_categories[] = { +}; + +static struct log_info info = { + .cat = default_categories, + .num_cat = ARRAY_SIZE(default_categories), +}; + +int main(int argc, char *argv[]) +{ + ctx = talloc_named_const(NULL, 0, "osmo_io_test"); + osmo_init_logging2(ctx, &info); + log_set_use_color(osmo_stderr_target, 0); + log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); + log_set_print_category(osmo_stderr_target, 0); + log_set_print_category_hex(osmo_stderr_target, 0); + + test_connected(); + test_unconnected(); + + return EXIT_SUCCESS; +} |