Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) 2023 by sysmocom s.f.m.c |
| 3 | * Author: Daniel Willmann <daniel@sysmocom.de> |
| 4 | * |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * SPDX-License-Identifier: GPL-2.0+ |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | #include <stdint.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <unistd.h> |
| 25 | #include <string.h> |
| 26 | #include <sys/socket.h> |
| 27 | #include <errno.h> |
| 28 | |
| 29 | #include <osmocom/core/application.h> |
| 30 | #include <osmocom/core/bits.h> |
| 31 | #include <osmocom/core/logging.h> |
| 32 | #include <osmocom/core/msgb.h> |
| 33 | #include <osmocom/core/osmo_io.h> |
| 34 | #include <osmocom/core/select.h> |
| 35 | #include <osmocom/core/utils.h> |
| 36 | |
| 37 | #include "config.h" |
| 38 | |
| 39 | #define TEST_START() printf("Running %s\n", __func__) |
| 40 | |
Daniel Willmann | 181eaa4 | 2023-06-16 15:17:33 +0200 | [diff] [blame] | 41 | static uint8_t TESTDATA[] = { |
| 42 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 |
| 43 | }; |
| 44 | |
| 45 | |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 46 | static void *ctx = NULL; |
| 47 | |
| 48 | static void read_cb(struct osmo_io_fd *iofd, int rc, struct msgb *msg) |
| 49 | { |
| 50 | printf("%s: read() msg with len=%d\n", osmo_iofd_get_name(iofd), rc); |
| 51 | if (msg) |
| 52 | printf("%s\n", osmo_hexdump(msgb_data(msg), msgb_length(msg))); |
| 53 | |
| 54 | talloc_free(msg); |
| 55 | } |
| 56 | |
Daniel Willmann | 3ed8772 | 2023-06-06 11:34:14 +0200 | [diff] [blame] | 57 | static void write_cb(struct osmo_io_fd *iofd, int rc, struct msgb *msg) |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 58 | { |
Daniel Willmann | 181eaa4 | 2023-06-16 15:17:33 +0200 | [diff] [blame] | 59 | uint8_t *buf; |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 60 | printf("%s: write() returned rc=%d\n", osmo_iofd_get_name(iofd), rc); |
Daniel Willmann | 181eaa4 | 2023-06-16 15:17:33 +0200 | [diff] [blame] | 61 | if (rc == 0) { |
| 62 | msg = msgb_alloc(1024, "Test data"); |
| 63 | buf = msgb_put(msg, sizeof(TESTDATA)); |
| 64 | memcpy(buf, TESTDATA, sizeof(TESTDATA)); |
| 65 | |
| 66 | osmo_iofd_write_msgb(iofd, msg); |
| 67 | } |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | struct osmo_io_ops ioops_conn_read_write = { |
| 71 | .read_cb = read_cb, |
| 72 | .write_cb = write_cb, |
| 73 | }; |
| 74 | |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 75 | static void test_connected(void) |
| 76 | { |
| 77 | int fds[2] = {0, 0}, rc; |
| 78 | struct osmo_io_fd *iofd1, *iofd2; |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 79 | |
| 80 | TEST_START(); |
| 81 | |
| 82 | rc = socketpair(AF_UNIX, SOCK_STREAM, 0, fds); |
| 83 | OSMO_ASSERT(rc == 0); |
| 84 | |
| 85 | iofd1 = osmo_iofd_setup(ctx, fds[0], "ep1", OSMO_IO_FD_MODE_READ_WRITE, &ioops_conn_read_write, NULL); |
| 86 | osmo_iofd_register(iofd1, fds[0]); |
| 87 | iofd2 = osmo_iofd_setup(ctx, fds[1], "ep2", OSMO_IO_FD_MODE_READ_WRITE, &ioops_conn_read_write, NULL); |
| 88 | osmo_iofd_register(iofd2, fds[1]); |
Daniel Willmann | e2a8dc4 | 2023-06-30 10:51:53 +0200 | [diff] [blame] | 89 | // Explicitly check if ep1 is connected through write_cb |
| 90 | osmo_iofd_notify_connected(iofd1); |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 91 | |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 92 | /* Allow enough cycles to handle the messages */ |
| 93 | for (int i = 0; i < 128; i++) |
| 94 | osmo_select_main(1); |
| 95 | |
| 96 | osmo_iofd_free(iofd1); |
| 97 | osmo_iofd_free(iofd2); |
Daniel Willmann | f91d2aa | 2023-01-04 18:20:55 +0100 | [diff] [blame] | 98 | |
| 99 | for (int i = 0; i < 128; i++) |
| 100 | osmo_select_main(1); |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | static void recvfrom_cb(struct osmo_io_fd *iofd, int rc, struct msgb *msg, |
| 104 | const struct osmo_sockaddr *saddr) |
| 105 | { |
| 106 | printf("%s: recvfrom() msg with len=%d\n", osmo_iofd_get_name(iofd), rc); |
| 107 | if (msg) |
| 108 | printf("%s\n", osmo_hexdump(msgb_data(msg), msgb_length(msg))); |
| 109 | |
| 110 | talloc_free(msg); |
| 111 | } |
| 112 | |
Daniel Willmann | 3ed8772 | 2023-06-06 11:34:14 +0200 | [diff] [blame] | 113 | static void sendto_cb(struct osmo_io_fd *iofd, int rc, struct msgb *msg, |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 114 | const struct osmo_sockaddr *daddr) |
| 115 | { |
| 116 | printf("%s: sendto() returned rc=%d\n", osmo_iofd_get_name(iofd), rc); |
| 117 | } |
| 118 | |
| 119 | struct osmo_io_ops ioops_conn_recvfrom_sendto = { |
| 120 | .sendto_cb = sendto_cb, |
| 121 | .recvfrom_cb = recvfrom_cb, |
| 122 | }; |
| 123 | |
| 124 | static void test_unconnected(void) |
| 125 | { |
| 126 | int fds[2] = {0, 0}, rc; |
| 127 | struct osmo_io_fd *iofd1, *iofd2; |
| 128 | struct msgb *msg; |
| 129 | uint8_t *buf; |
| 130 | |
| 131 | TEST_START(); |
| 132 | |
| 133 | rc = socketpair(AF_UNIX, SOCK_DGRAM, 0, fds); |
| 134 | OSMO_ASSERT(rc == 0); |
| 135 | |
| 136 | iofd1 = osmo_iofd_setup(ctx, fds[0], "ep1", OSMO_IO_FD_MODE_RECVFROM_SENDTO, &ioops_conn_recvfrom_sendto, NULL); |
| 137 | osmo_iofd_register(iofd1, fds[0]); |
| 138 | iofd2 = osmo_iofd_setup(ctx, fds[1], "ep2", OSMO_IO_FD_MODE_RECVFROM_SENDTO, &ioops_conn_recvfrom_sendto, NULL); |
| 139 | osmo_iofd_register(iofd2, fds[1]); |
| 140 | |
| 141 | msg = msgb_alloc(1024, "Test data"); |
| 142 | buf = msgb_put(msg, sizeof(TESTDATA)); |
| 143 | memcpy(buf, TESTDATA, sizeof(TESTDATA)); |
| 144 | |
| 145 | osmo_iofd_sendto_msgb(iofd1, msg, 0, NULL); |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 146 | |
| 147 | /* Allow enough cycles to handle the messages */ |
| 148 | for (int i = 0; i < 128; i++) |
| 149 | osmo_select_main(1); |
| 150 | |
| 151 | osmo_iofd_free(iofd1); |
| 152 | osmo_iofd_free(iofd2); |
Daniel Willmann | f91d2aa | 2023-01-04 18:20:55 +0100 | [diff] [blame] | 153 | |
| 154 | for (int i = 0; i < 128; i++) |
| 155 | osmo_select_main(1); |
Daniel Willmann | 37b2ebf | 2023-03-31 14:36:16 +0200 | [diff] [blame] | 156 | } |
| 157 | static const struct log_info_cat default_categories[] = { |
| 158 | }; |
| 159 | |
| 160 | static struct log_info info = { |
| 161 | .cat = default_categories, |
| 162 | .num_cat = ARRAY_SIZE(default_categories), |
| 163 | }; |
| 164 | |
| 165 | int main(int argc, char *argv[]) |
| 166 | { |
| 167 | ctx = talloc_named_const(NULL, 0, "osmo_io_test"); |
| 168 | osmo_init_logging2(ctx, &info); |
| 169 | log_set_use_color(osmo_stderr_target, 0); |
| 170 | log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); |
| 171 | log_set_print_category(osmo_stderr_target, 0); |
| 172 | log_set_print_category_hex(osmo_stderr_target, 0); |
| 173 | |
| 174 | test_connected(); |
| 175 | test_unconnected(); |
| 176 | |
| 177 | return EXIT_SUCCESS; |
| 178 | } |