| /* |
| * (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; |
| } |