Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 1 | #include <errno.h> |
| 2 | #include <stdio.h> |
| 3 | #include <unistd.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <string.h> |
| 6 | #include <fcntl.h> |
| 7 | #include <assert.h> |
| 8 | #include <pthread.h> |
| 9 | #include <sys/socket.h> |
| 10 | #include <netinet/tcp.h> |
| 11 | #include <netinet/in.h> |
| 12 | #include <poll.h> |
| 13 | |
Jens Axboe | a8f8536 | 2019-11-12 12:30:38 -0700 | [diff] [blame^] | 14 | #include "liburing.h" |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 15 | |
| 16 | pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; |
| 17 | pthread_cond_t cond = PTHREAD_COND_INITIALIZER; |
| 18 | |
| 19 | static int recv_thread_ready = 0; |
| 20 | static int recv_thread_done = 0; |
| 21 | |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 22 | static void signal_var(int *var) |
| 23 | { |
| 24 | pthread_mutex_lock(&mutex); |
| 25 | *var = 1; |
| 26 | pthread_cond_signal(&cond); |
| 27 | pthread_mutex_unlock(&mutex); |
| 28 | } |
| 29 | |
| 30 | static void wait_for_var(int *var) |
| 31 | { |
| 32 | pthread_mutex_lock(&mutex); |
| 33 | |
| 34 | while (!*var) |
| 35 | pthread_cond_wait(&cond, &mutex); |
| 36 | |
| 37 | pthread_mutex_unlock(&mutex); |
| 38 | } |
| 39 | |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 40 | struct data { |
| 41 | unsigned expected[2]; |
Jens Axboe | 46eaedd | 2019-11-12 08:22:28 -0700 | [diff] [blame] | 42 | unsigned is_mask[2]; |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 43 | unsigned long timeout; |
| 44 | int port; |
| 45 | int stop; |
| 46 | }; |
| 47 | |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 48 | static void *send_thread(void *arg) |
| 49 | { |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 50 | struct data *data = arg; |
| 51 | |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 52 | wait_for_var(&recv_thread_ready); |
| 53 | |
| 54 | int s0 = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 55 | assert(s0 != -1); |
| 56 | |
| 57 | struct sockaddr_in addr; |
| 58 | |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 59 | addr.sin_family = AF_INET; |
| 60 | addr.sin_port = data->port; |
| 61 | addr.sin_addr.s_addr = 0x0100007fU; |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 62 | |
| 63 | assert(connect(s0, (struct sockaddr*)&addr, sizeof(addr)) != -1); |
| 64 | |
| 65 | wait_for_var(&recv_thread_done); |
| 66 | |
| 67 | close(s0); |
| 68 | return 0; |
| 69 | } |
| 70 | |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 71 | void *recv_thread(void *arg) |
| 72 | { |
| 73 | struct data *data = arg; |
| 74 | struct io_uring_sqe *sqe; |
| 75 | struct io_uring ring; |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 76 | int i; |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 77 | |
| 78 | assert(io_uring_queue_init(8, &ring, 0) == 0); |
| 79 | |
| 80 | int s0 = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 81 | assert(s0 != -1); |
| 82 | |
| 83 | int32_t val = 1; |
| 84 | assert(setsockopt(s0, SOL_SOCKET, SO_REUSEPORT, &val, sizeof(val)) != -1); |
| 85 | assert(setsockopt(s0, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)) != -1); |
| 86 | |
| 87 | struct sockaddr_in addr; |
| 88 | |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 89 | addr.sin_family = AF_INET; |
| 90 | addr.sin_addr.s_addr = 0x0100007fU; |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 91 | |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 92 | i = 0; |
| 93 | do { |
| 94 | data->port = 1025 + (rand() % 64510); |
| 95 | addr.sin_port = data->port; |
| 96 | |
| 97 | if (bind(s0, (struct sockaddr*)&addr, sizeof(addr)) != -1) |
| 98 | break; |
| 99 | } while (++i < 100); |
| 100 | |
| 101 | if (i >= 100) { |
| 102 | printf("Can't find good port, skipped\n"); |
| 103 | data->stop = 1; |
| 104 | signal_var(&recv_thread_ready); |
| 105 | goto out; |
| 106 | } |
| 107 | |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 108 | assert(listen(s0, 128) != -1); |
| 109 | |
| 110 | signal_var(&recv_thread_ready); |
| 111 | |
| 112 | sqe = io_uring_get_sqe(&ring); |
| 113 | assert(sqe != NULL); |
| 114 | |
| 115 | io_uring_prep_poll_add(sqe, s0, POLLIN | POLLHUP | POLLERR); |
| 116 | sqe->flags |= IOSQE_IO_LINK; |
| 117 | sqe->user_data = 1; |
| 118 | |
| 119 | sqe = io_uring_get_sqe(&ring); |
| 120 | assert(sqe != NULL); |
| 121 | |
| 122 | struct __kernel_timespec ts; |
| 123 | ts.tv_sec = data->timeout / 1000000000; |
| 124 | ts.tv_nsec = data->timeout % 1000000000; |
| 125 | io_uring_prep_link_timeout(sqe, &ts, 0); |
| 126 | sqe->user_data = 2; |
| 127 | |
| 128 | assert(io_uring_submit(&ring) == 2); |
| 129 | |
| 130 | for (int i = 0; i < 2; i++) { |
| 131 | struct io_uring_cqe *cqe; |
| 132 | int idx; |
| 133 | |
| 134 | if (io_uring_wait_cqe(&ring, &cqe)) { |
| 135 | fprintf(stderr, "wait cqe failed\n"); |
| 136 | goto err; |
| 137 | } |
| 138 | idx = cqe->user_data - 1; |
Jens Axboe | 46eaedd | 2019-11-12 08:22:28 -0700 | [diff] [blame] | 139 | if (data->is_mask[idx] && !(data->expected[idx] & cqe->res)) { |
| 140 | fprintf(stderr, "cqe %llu got %x, wanted mask %x\n", |
| 141 | cqe->user_data, cqe->res, |
| 142 | data->expected[idx]); |
| 143 | goto err; |
| 144 | } else if (!data->is_mask[idx] && cqe->res != data->expected[idx]) { |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 145 | fprintf(stderr, "cqe %llu got %d, wanted %d\n", |
| 146 | cqe->user_data, cqe->res, |
| 147 | data->expected[idx]); |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 148 | goto err; |
| 149 | } |
| 150 | io_uring_cqe_seen(&ring, cqe); |
| 151 | } |
| 152 | |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 153 | out: |
Jens Axboe | 46eaedd | 2019-11-12 08:22:28 -0700 | [diff] [blame] | 154 | signal_var(&recv_thread_done); |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 155 | close(s0); |
Jens Axboe | 46eaedd | 2019-11-12 08:22:28 -0700 | [diff] [blame] | 156 | io_uring_queue_exit(&ring); |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 157 | return NULL; |
| 158 | err: |
Jens Axboe | 46eaedd | 2019-11-12 08:22:28 -0700 | [diff] [blame] | 159 | signal_var(&recv_thread_done); |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 160 | close(s0); |
Jens Axboe | 46eaedd | 2019-11-12 08:22:28 -0700 | [diff] [blame] | 161 | io_uring_queue_exit(&ring); |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 162 | return (void *) 1; |
| 163 | } |
| 164 | |
| 165 | static int test_poll_timeout(int do_connect, unsigned long timeout) |
| 166 | { |
| 167 | pthread_t t1, t2; |
| 168 | struct data d; |
| 169 | void *tret; |
| 170 | int ret = 0; |
| 171 | |
| 172 | recv_thread_ready = 0; |
| 173 | recv_thread_done = 0; |
| 174 | |
Jens Axboe | 46eaedd | 2019-11-12 08:22:28 -0700 | [diff] [blame] | 175 | memset(&d, 0, sizeof(d)); |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 176 | d.timeout = timeout; |
| 177 | if (!do_connect) { |
| 178 | d.expected[0] = 0; |
| 179 | d.expected[1] = 0; |
| 180 | } else { |
Jens Axboe | 46eaedd | 2019-11-12 08:22:28 -0700 | [diff] [blame] | 181 | d.expected[0] = POLLIN; |
| 182 | d.is_mask[0] = 1; |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 183 | d.expected[1] = -ECANCELED; |
| 184 | } |
| 185 | |
| 186 | pthread_create(&t1, NULL, recv_thread, &d); |
| 187 | |
| 188 | if (do_connect) |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 189 | pthread_create(&t2, NULL, send_thread, &d); |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 190 | |
| 191 | pthread_join(t1, &tret); |
| 192 | if (tret) |
| 193 | ret++; |
| 194 | |
| 195 | if (do_connect) { |
| 196 | pthread_join(t2, &tret); |
| 197 | if (tret) |
| 198 | ret++; |
| 199 | } |
| 200 | |
| 201 | return ret; |
| 202 | } |
| 203 | |
| 204 | int main(int argc, char *argv[]) |
| 205 | { |
Jens Axboe | 4bce856 | 2019-11-11 16:00:58 -0700 | [diff] [blame] | 206 | srand(getpid()); |
| 207 | |
| 208 | if (test_poll_timeout(0, 200000000)) { |
Jens Axboe | d379852 | 2019-11-11 12:40:04 -0700 | [diff] [blame] | 209 | fprintf(stderr, "poll timeout 0 failed\n"); |
| 210 | return 1; |
| 211 | } |
| 212 | |
| 213 | if (test_poll_timeout(1, 1000000000)) { |
| 214 | fprintf(stderr, "poll timeout 1 failed\n"); |
| 215 | return 1; |
| 216 | } |
| 217 | |
| 218 | return 0; |
| 219 | } |