[457] | 1 | #include "test_sockets.h"
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| 2 |
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| 3 | #include "lwip/mem.h"
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| 4 | #include "lwip/opt.h"
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| 5 | #include "lwip/sockets.h"
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| 6 | #include "lwip/priv/sockets_priv.h"
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| 7 | #include "lwip/stats.h"
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| 8 |
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| 9 | #include "lwip/tcpip.h"
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| 10 | #include "lwip/priv/tcp_priv.h"
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| 11 | #include "lwip/api.h"
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| 12 |
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| 13 |
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| 14 | static int
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| 15 | test_sockets_get_used_count(void)
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| 16 | {
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| 17 | int used = 0;
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| 18 | int i;
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| 19 |
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| 20 | for (i = 0; i < NUM_SOCKETS; i++) {
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| 21 | struct lwip_sock* s = lwip_socket_dbg_get_socket(i);
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| 22 | if (s != NULL) {
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| 23 | if (s->fd_used) {
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| 24 | used++;
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| 25 | }
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| 26 | }
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| 27 | }
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| 28 | return used;
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| 29 | }
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| 30 |
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| 31 |
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| 32 | /* Setups/teardown functions */
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| 33 |
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| 34 | static void
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| 35 | sockets_setup(void)
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| 36 | {
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| 37 | /* expect full free heap */
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| 38 | lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
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| 39 | }
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| 40 |
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| 41 | static void
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| 42 | sockets_teardown(void)
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| 43 | {
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| 44 | fail_unless(test_sockets_get_used_count() == 0);
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| 45 | /* poll until all memory is released... */
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| 46 | tcpip_thread_poll_one();
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| 47 | while (tcp_tw_pcbs) {
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| 48 | tcp_abort(tcp_tw_pcbs);
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| 49 | tcpip_thread_poll_one();
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| 50 | }
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| 51 | tcpip_thread_poll_one();
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| 52 | /* ensure full free heap */
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| 53 | lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
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| 54 | }
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| 55 |
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| 56 | #ifndef NUM_SOCKETS
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| 57 | #define NUM_SOCKETS MEMP_NUM_NETCONN
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| 58 | #endif
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| 59 |
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| 60 | #if LWIP_SOCKET
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| 61 | static int
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| 62 | test_sockets_alloc_socket_nonblocking(int domain, int type)
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| 63 | {
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| 64 | int s = lwip_socket(domain, type, 0);
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| 65 | if (s >= 0) {
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| 66 | int ret = lwip_fcntl(s, F_SETFL, O_NONBLOCK);
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| 67 | fail_unless(ret == 0);
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| 68 | }
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| 69 | return s;
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| 70 | }
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| 71 |
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| 72 | /* Verify basic sockets functionality
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| 73 | */
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| 74 | START_TEST(test_sockets_basics)
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| 75 | {
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| 76 | int s, i, ret;
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| 77 | int s2[NUM_SOCKETS];
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| 78 | LWIP_UNUSED_ARG(_i);
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| 79 |
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| 80 | s = lwip_socket(AF_INET, SOCK_STREAM, 0);
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| 81 | fail_unless(s >= 0);
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| 82 | lwip_close(s);
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| 83 |
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| 84 | for (i = 0; i < NUM_SOCKETS; i++) {
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| 85 | s2[i] = lwip_socket(AF_INET, SOCK_STREAM, 0);
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| 86 | fail_unless(s2[i] >= 0);
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| 87 | }
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| 88 |
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| 89 | /* all sockets used, now it should fail */
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| 90 | s = lwip_socket(AF_INET, SOCK_STREAM, 0);
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| 91 | fail_unless(s == -1);
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| 92 | /* close one socket */
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| 93 | ret = lwip_close(s2[0]);
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| 94 | fail_unless(ret == 0);
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| 95 | /* now it should succeed */
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| 96 | s2[0] = lwip_socket(AF_INET, SOCK_STREAM, 0);
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| 97 | fail_unless(s2[0] >= 0);
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| 98 |
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| 99 | /* close all sockets */
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| 100 | for (i = 0; i < NUM_SOCKETS; i++) {
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| 101 | ret = lwip_close(s2[i]);
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| 102 | fail_unless(ret == 0);
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| 103 | }
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| 104 | }
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| 105 | END_TEST
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| 106 |
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| 107 | static void test_sockets_allfunctions_basic_domain(int domain)
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| 108 | {
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| 109 | int s, s2, s3, ret;
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| 110 | struct sockaddr_storage addr, addr2;
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| 111 | socklen_t addrlen, addr2len;
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| 112 | char buf[4];
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| 113 | /* listen socket */
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| 114 | s = lwip_socket(domain, SOCK_STREAM, 0);
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| 115 | fail_unless(s >= 0);
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| 116 |
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| 117 | ret = lwip_listen(s, 0);
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| 118 | fail_unless(ret == 0);
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| 119 |
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| 120 | addrlen = sizeof(addr);
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| 121 | ret = lwip_getsockname(s, (struct sockaddr*)&addr, &addrlen);
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| 122 | fail_unless(ret == 0);
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| 123 |
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| 124 | s2 = test_sockets_alloc_socket_nonblocking(domain, SOCK_STREAM);
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| 125 | fail_unless(s2 >= 0);
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| 126 | /* nonblocking connect s2 to s (but use loopback address) */
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| 127 | if (domain == AF_INET) {
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| 128 | #if LWIP_IPV4
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| 129 | struct sockaddr_in *addr4 = (struct sockaddr_in *)&addr;
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| 130 | addr4->sin_addr.s_addr = PP_HTONL(INADDR_LOOPBACK);
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| 131 | #endif
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| 132 | } else {
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| 133 | #if LWIP_IPV6
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| 134 | struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&addr;
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| 135 | struct in6_addr lo6 = IN6ADDR_LOOPBACK_INIT;
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| 136 | addr6->sin6_addr = lo6;
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| 137 | #endif
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| 138 | }
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| 139 | ret = lwip_connect(s2, (struct sockaddr*)&addr, addrlen);
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| 140 | fail_unless(ret == -1);
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| 141 | fail_unless(errno == EINPROGRESS);
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| 142 | ret = lwip_connect(s2, (struct sockaddr*)&addr, addrlen);
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| 143 | fail_unless(ret == -1);
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| 144 | fail_unless(errno == EALREADY);
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| 145 |
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| 146 | while(tcpip_thread_poll_one());
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| 147 |
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| 148 | s3 = lwip_accept(s, (struct sockaddr*)&addr2, &addr2len);
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| 149 | fail_unless(s3 >= 0);
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| 150 |
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| 151 | ret = lwip_connect(s2, (struct sockaddr*)&addr, addrlen);
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| 152 | fail_unless(ret == -1);
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| 153 | fail_unless(errno == EISCONN);
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| 154 |
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| 155 | /* write from server to client */
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| 156 | ret = write(s3, "test", 4);
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| 157 | fail_unless(ret == 4);
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| 158 |
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| 159 | ret = lwip_shutdown(s3, SHUT_WR);
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| 160 | fail_unless(ret == 0);
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| 161 |
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| 162 | while(tcpip_thread_poll_one());
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| 163 |
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| 164 | ret = lwip_recv(s2, buf, 3, MSG_PEEK);
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| 165 | fail_unless(ret == 3);
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| 166 |
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| 167 | ret = lwip_recv(s2, buf, 3, MSG_PEEK);
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| 168 | fail_unless(ret == 3);
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| 169 |
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| 170 | ret = lwip_read(s2, buf, 4);
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| 171 | fail_unless(ret == 4);
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| 172 |
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| 173 | ret = lwip_read(s2, buf, 1);
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| 174 | fail_unless(ret == 0);
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| 175 |
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| 176 | ret = lwip_read(s2, buf, 1);
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| 177 | fail_unless(ret == -1);
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| 178 |
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| 179 | ret = lwip_write(s2, "foo", 3);
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| 180 | fail_unless(ret == 3);
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| 181 |
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| 182 | ret = lwip_close(s2);
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| 183 | fail_unless(ret == 0);
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| 184 |
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| 185 | while(tcpip_thread_poll_one());
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| 186 |
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| 187 | /* read one byte more than available to check handling FIN */
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| 188 | ret = lwip_read(s3, buf, 4);
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| 189 | fail_unless(ret == 3);
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| 190 |
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| 191 | ret = lwip_read(s3, buf, 1);
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| 192 | fail_unless(ret == 0);
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| 193 |
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| 194 | ret = lwip_read(s3, buf, 1);
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| 195 | fail_unless(ret == -1);
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| 196 |
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| 197 | while(tcpip_thread_poll_one());
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| 198 |
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| 199 | ret = lwip_close(s);
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| 200 | fail_unless(ret == 0);
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| 201 | ret = lwip_close(s3);
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| 202 | fail_unless(ret == 0);
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| 203 | }
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| 204 |
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| 205 | /* Try to step through all sockets functions once...
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| 206 | */
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| 207 | START_TEST(test_sockets_allfunctions_basic)
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| 208 | {
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| 209 | LWIP_UNUSED_ARG(_i);
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| 210 | #if LWIP_IPV4
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| 211 | test_sockets_allfunctions_basic_domain(AF_INET);
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| 212 | #endif
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| 213 | #if LWIP_IPV6
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| 214 | test_sockets_allfunctions_basic_domain(AF_INET6);
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| 215 | #endif
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| 216 | }
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| 217 | END_TEST
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| 218 |
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| 219 | static void test_sockets_init_loopback_addr(int domain, struct sockaddr_storage *addr_st, socklen_t *sz)
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| 220 | {
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| 221 | memset(addr_st, 0, sizeof(*addr_st));
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| 222 | switch(domain) {
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| 223 | #if LWIP_IPV6
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| 224 | case AF_INET6: {
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| 225 | struct sockaddr_in6 *addr = (struct sockaddr_in6*)addr_st;
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| 226 | struct in6_addr lo6 = IN6ADDR_LOOPBACK_INIT;
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| 227 | addr->sin6_family = AF_INET6;
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| 228 | addr->sin6_port = 0; /* use ephemeral port */
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| 229 | addr->sin6_addr = lo6;
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| 230 | *sz = sizeof(*addr);
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| 231 | }
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| 232 | break;
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| 233 | #endif /* LWIP_IPV6 */
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| 234 | #if LWIP_IPV4
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| 235 | case AF_INET: {
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| 236 | struct sockaddr_in *addr = (struct sockaddr_in*)addr_st;
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| 237 | addr->sin_family = AF_INET;
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| 238 | addr->sin_port = 0; /* use ephemeral port */
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| 239 | addr->sin_addr.s_addr = PP_HTONL(INADDR_LOOPBACK);
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| 240 | *sz = sizeof(*addr);
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| 241 | }
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| 242 | break;
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| 243 | #endif /* LWIP_IPV4 */
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| 244 | default:
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| 245 | *sz = 0;
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| 246 | fail();
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| 247 | break;
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| 248 | }
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| 249 | }
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| 250 |
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| 251 | static void test_sockets_msgapi_update_iovs(struct msghdr *msg, size_t bytes)
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| 252 | {
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| 253 | int i;
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| 254 |
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| 255 | /* note: this modifies the underyling iov_base and iov_len for a partial
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| 256 | read for an individual vector. This updates the msg->msg_iov pointer
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| 257 | to skip fully consumed vecotrs */
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| 258 |
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| 259 | /* process fully consumed vectors */
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| 260 | for (i = 0; i < msg->msg_iovlen; i++) {
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| 261 | if (msg->msg_iov[i].iov_len <= bytes) {
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| 262 | /* reduce bytes by amount of this vector */
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| 263 | bytes -= msg->msg_iov[i].iov_len;
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| 264 | } else {
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| 265 | break; /* iov not fully consumed */
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| 266 | }
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| 267 | }
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| 268 |
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| 269 | /* slide down over fully consumed vectors */
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| 270 | msg->msg_iov = &msg->msg_iov[i];
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| 271 | msg->msg_iovlen -= i;
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| 272 |
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| 273 | /* update new first vector with any remaining amount */
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| 274 | msg->msg_iov[0].iov_base = ((u8_t *)msg->msg_iov[0].iov_base + bytes);
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| 275 | msg->msg_iov[0].iov_len -= bytes;
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| 276 | }
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| 277 |
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| 278 | static void test_sockets_msgapi_tcp(int domain)
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| 279 | {
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| 280 | #define BUF_SZ (TCP_SND_BUF/4)
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| 281 | #define TOTAL_DATA_SZ (BUF_SZ*8) /* ~(TCP_SND_BUF*2) that accounts for integer rounding */
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| 282 | #define NEED_TRAILER (BUF_SZ % 4 != 0)
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| 283 | int listnr, s1, s2, i, ret, opt;
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| 284 | int bytes_written, bytes_read;
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| 285 | struct sockaddr_storage addr_storage;
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| 286 | socklen_t addr_size;
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| 287 | struct iovec siovs[8];
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| 288 | struct msghdr smsg;
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| 289 | u8_t * snd_buf;
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| 290 | struct iovec riovs[5];
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| 291 | struct iovec riovs_tmp[5];
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| 292 | struct msghdr rmsg;
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| 293 | u8_t * rcv_buf;
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| 294 | int rcv_off;
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| 295 | int rcv_trailer = 0;
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| 296 | u8_t val;
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| 297 |
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| 298 | test_sockets_init_loopback_addr(domain, &addr_storage, &addr_size);
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| 299 |
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| 300 | listnr = test_sockets_alloc_socket_nonblocking(domain, SOCK_STREAM);
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| 301 | fail_unless(listnr >= 0);
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| 302 | s1 = test_sockets_alloc_socket_nonblocking(domain, SOCK_STREAM);
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| 303 | fail_unless(s1 >= 0);
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| 304 |
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| 305 | /* setup a listener socket on loopback with ephemeral port */
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| 306 | ret = lwip_bind(listnr, (struct sockaddr*)&addr_storage, addr_size);
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| 307 | fail_unless(ret == 0);
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| 308 | ret = lwip_listen(listnr, 0);
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| 309 | fail_unless(ret == 0);
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| 310 |
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| 311 | /* update address with ephemeral port */
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| 312 | ret = lwip_getsockname(listnr, (struct sockaddr*)&addr_storage, &addr_size);
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| 313 | fail_unless(ret == 0);
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| 314 |
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| 315 | /* connect, won't complete until we accept it */
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| 316 | ret = lwip_connect(s1, (struct sockaddr*)&addr_storage, addr_size);
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| 317 | fail_unless(ret == -1);
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| 318 | fail_unless(errno == EINPROGRESS);
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| 319 |
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| 320 | while (tcpip_thread_poll_one());
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| 321 |
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| 322 | /* accept, creating the other side of the connection */
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| 323 | s2 = lwip_accept(listnr, NULL, NULL);
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| 324 | fail_unless(s2 >= 0);
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| 325 |
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| 326 | /* double check s1 is connected */
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| 327 | ret = lwip_connect(s1, (struct sockaddr*)&addr_storage, addr_size);
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| 328 | fail_unless(ret == -1);
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| 329 | fail_unless(errno == EISCONN);
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| 330 |
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| 331 | /* set s2 to non-blocking, not inherited from listener */
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| 332 | opt = lwip_fcntl(s2, F_GETFL, 0);
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| 333 | fail_unless(opt == 6);
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| 334 | opt = O_NONBLOCK;
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| 335 | ret = lwip_fcntl(s2, F_SETFL, opt);
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| 336 | fail_unless(ret == 0);
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| 337 |
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| 338 | /* we are done with listener, close it */
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| 339 | ret = lwip_close(listnr);
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| 340 | fail_unless(ret == 0);
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| 341 |
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| 342 | /* allocate a buffer for a stream of incrementing hex (0x00..0xFF) which we will use
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| 343 | to create an input vector set that is larger than the TCP's send buffer. This will
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| 344 | force execution of the partial IO vector send case */
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| 345 | snd_buf = (u8_t*)mem_malloc(BUF_SZ);
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| 346 | val = 0x00;
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| 347 | fail_unless(snd_buf != NULL);
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| 348 | for (i = 0; i < BUF_SZ; i++,val++) {
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| 349 | snd_buf[i] = val;
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| 350 | }
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| 351 |
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| 352 | /* send the buffer 8 times in one message, equating to TOTAL_DATA_SZ */
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| 353 | for (i = 0; i < 8; i++) {
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| 354 | siovs[i].iov_base = snd_buf;
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| 355 | siovs[i].iov_len = BUF_SZ;
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| 356 | }
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| 357 |
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| 358 | /* allocate a receive buffer, same size as snd_buf for easy verification */
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| 359 | rcv_buf = (u8_t*)mem_calloc(1, BUF_SZ);
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| 360 | fail_unless(rcv_buf != NULL);
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| 361 | /* split across iovs */
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| 362 | for (i = 0; i < 4; i++) {
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| 363 | riovs[i].iov_base = &rcv_buf[i*(BUF_SZ/4)];
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| 364 | riovs[i].iov_len = BUF_SZ/4;
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| 365 | }
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| 366 | /* handling trailing bytes if buffer doesn't evenly divide by 4 */
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| 367 | #if NEED_TRAILER
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| 368 | if ((BUF_SZ % 4) != 0) {
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| 369 | riovs[5].iov_base = &rcv_buf[4*(BUF_SZ/4)];
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| 370 | riovs[5].iov_len = BUF_SZ - (4*(BUF_SZ/4));
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| 371 | rcv_trailer = 1;
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| 372 | }
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| 373 | #endif /* NEED_TRAILER */
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| 374 |
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| 375 | /* we use a copy of riovs since we'll be modifying base and len during
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| 376 | receiving. This gives us an easy way to reset the iovs for next recvmsg */
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| 377 | memcpy(riovs_tmp, riovs, sizeof(riovs));
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| 378 |
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| 379 | memset(&smsg, 0, sizeof(smsg));
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| 380 | smsg.msg_iov = siovs;
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| 381 | smsg.msg_iovlen = 8;
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| 382 |
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| 383 | memset(&rmsg, 0, sizeof(rmsg));
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| 384 | rmsg.msg_iov = riovs_tmp;
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| 385 | rmsg.msg_iovlen = (rcv_trailer ? 5 : 4);
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| 386 |
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| 387 | bytes_written = 0;
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| 388 | bytes_read = 0;
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| 389 | rcv_off = 0;
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| 390 |
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| 391 | while (bytes_written < TOTAL_DATA_SZ && (bytes_read < TOTAL_DATA_SZ)) {
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| 392 | /* send data */
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| 393 | if (bytes_written < TOTAL_DATA_SZ) {
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| 394 | ret = lwip_sendmsg(s1, &smsg, 0);
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| 395 | /* note: since we always receive after sending, there will be open
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| 396 | space in the send buffer */
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| 397 | fail_unless(ret > 0);
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| 398 |
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| 399 | bytes_written += ret;
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| 400 | if (bytes_written < TOTAL_DATA_SZ) {
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| 401 | test_sockets_msgapi_update_iovs(&smsg, (size_t)ret);
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| 402 | }
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| 403 | }
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| 404 |
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| 405 | while (tcpip_thread_poll_one());
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| 406 |
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| 407 | /* receive and verify data */
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| 408 | do {
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| 409 | if (bytes_read < TOTAL_DATA_SZ) {
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| 410 | ret = lwip_recvmsg(s2, &rmsg, 0);
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| 411 | fail_unless(ret > 0 || (ret == -1 && errno == EWOULDBLOCK));
|
---|
| 412 |
|
---|
| 413 | if (ret > 0) {
|
---|
| 414 | rcv_off += ret;
|
---|
| 415 | /* we have received a full buffer */
|
---|
| 416 | if (rcv_off == BUF_SZ) {
|
---|
| 417 | /* note: since iovs are just pointers, compare underlying buf */
|
---|
| 418 | fail_unless(!memcmp(snd_buf, rcv_buf, BUF_SZ));
|
---|
| 419 | bytes_read += BUF_SZ;
|
---|
| 420 | /* reset receive state for next buffer */
|
---|
| 421 | rcv_off = 0;
|
---|
| 422 | memset(rcv_buf, 0, BUF_SZ);
|
---|
| 423 | memcpy(riovs_tmp, riovs, sizeof(riovs));
|
---|
| 424 | rmsg.msg_iov = riovs_tmp;
|
---|
| 425 | rmsg.msg_iovlen = (rcv_trailer ? 5 : 4);
|
---|
| 426 | } else { /* partial read */
|
---|
| 427 | test_sockets_msgapi_update_iovs(&rmsg, (size_t)ret);
|
---|
| 428 | }
|
---|
| 429 | }
|
---|
| 430 | } else {
|
---|
| 431 | break;
|
---|
| 432 | }
|
---|
| 433 | } while(ret > 0);
|
---|
| 434 | }
|
---|
| 435 |
|
---|
| 436 | ret = lwip_close(s1);
|
---|
| 437 | fail_unless(ret == 0);
|
---|
| 438 | ret = lwip_close(s2);
|
---|
| 439 | fail_unless(ret == 0);
|
---|
| 440 | mem_free(snd_buf);
|
---|
| 441 | mem_free(rcv_buf);
|
---|
| 442 | }
|
---|
| 443 |
|
---|
| 444 | static void test_sockets_msgapi_udp_send_recv_loop(int s, struct msghdr *smsg, struct msghdr *rmsg)
|
---|
| 445 | {
|
---|
| 446 | int i, ret;
|
---|
| 447 |
|
---|
| 448 | /* send/receive our datagram of IO vectors 10 times */
|
---|
| 449 | for (i = 0; i < 10; i++) {
|
---|
| 450 | ret = lwip_sendmsg(s, smsg, 0);
|
---|
| 451 | fail_unless(ret == 4);
|
---|
| 452 |
|
---|
| 453 | while (tcpip_thread_poll_one());
|
---|
| 454 |
|
---|
| 455 | /* receive the datagram split across 4 buffers */
|
---|
| 456 | ret = lwip_recvmsg(s, rmsg, 0);
|
---|
| 457 | fail_unless(ret == 4);
|
---|
| 458 |
|
---|
| 459 | /* verify data */
|
---|
| 460 | fail_unless(*((u8_t*)rmsg->msg_iov[0].iov_base) == 0xDE);
|
---|
| 461 | fail_unless(*((u8_t*)rmsg->msg_iov[1].iov_base) == 0xAD);
|
---|
| 462 | fail_unless(*((u8_t*)rmsg->msg_iov[2].iov_base) == 0xBE);
|
---|
| 463 | fail_unless(*((u8_t*)rmsg->msg_iov[3].iov_base) == 0xEF);
|
---|
| 464 |
|
---|
| 465 | /* clear rcv_buf to ensure no data is being skipped */
|
---|
| 466 | *((u8_t*)rmsg->msg_iov[0].iov_base) = 0x00;
|
---|
| 467 | *((u8_t*)rmsg->msg_iov[1].iov_base) = 0x00;
|
---|
| 468 | *((u8_t*)rmsg->msg_iov[2].iov_base) = 0x00;
|
---|
| 469 | *((u8_t*)rmsg->msg_iov[3].iov_base) = 0x00;
|
---|
| 470 | }
|
---|
| 471 | }
|
---|
| 472 |
|
---|
| 473 | static void test_sockets_msgapi_udp(int domain)
|
---|
| 474 | {
|
---|
| 475 | int s, i, ret;
|
---|
| 476 | struct sockaddr_storage addr_storage;
|
---|
| 477 | socklen_t addr_size;
|
---|
| 478 | struct iovec riovs[4];
|
---|
| 479 | struct msghdr rmsg;
|
---|
| 480 | u8_t rcv_buf[4];
|
---|
| 481 | struct iovec siovs[4];
|
---|
| 482 | struct msghdr smsg;
|
---|
| 483 | u8_t snd_buf[4] = {0xDE, 0xAD, 0xBE, 0xEF};
|
---|
| 484 |
|
---|
| 485 | /* initialize IO vectors with data */
|
---|
| 486 | for (i = 0; i < 4; i++) {
|
---|
| 487 | siovs[i].iov_base = &snd_buf[i];
|
---|
| 488 | siovs[i].iov_len = sizeof(u8_t);
|
---|
| 489 | riovs[i].iov_base = &rcv_buf[i];
|
---|
| 490 | riovs[i].iov_len = sizeof(u8_t);
|
---|
| 491 | }
|
---|
| 492 |
|
---|
| 493 | test_sockets_init_loopback_addr(domain, &addr_storage, &addr_size);
|
---|
| 494 |
|
---|
| 495 | s = test_sockets_alloc_socket_nonblocking(domain, SOCK_DGRAM);
|
---|
| 496 | fail_unless(s >= 0);
|
---|
| 497 |
|
---|
| 498 | ret = lwip_bind(s, (struct sockaddr*)&addr_storage, addr_size);
|
---|
| 499 | fail_unless(ret == 0);
|
---|
| 500 |
|
---|
| 501 | /* Update addr with epehermal port */
|
---|
| 502 | ret = lwip_getsockname(s, (struct sockaddr*)&addr_storage, &addr_size);
|
---|
| 503 | fail_unless(ret == 0);
|
---|
| 504 | switch(domain) {
|
---|
| 505 | #if LWIP_IPV6
|
---|
| 506 | case AF_INET6:
|
---|
| 507 | fail_unless(addr_size == sizeof(struct sockaddr_in6));
|
---|
| 508 | break;
|
---|
| 509 | #endif /* LWIP_IPV6 */
|
---|
| 510 | #if LWIP_IPV4
|
---|
| 511 | case AF_INET:
|
---|
| 512 | fail_unless(addr_size == sizeof(struct sockaddr_in));
|
---|
| 513 | break;
|
---|
| 514 | #endif /* LWIP_IPV6 */
|
---|
| 515 | default:
|
---|
| 516 | fail();
|
---|
| 517 | break;
|
---|
| 518 | }
|
---|
| 519 |
|
---|
| 520 | /* send and receive the datagram in 4 pieces */
|
---|
| 521 | memset(&smsg, 0, sizeof(smsg));
|
---|
| 522 | smsg.msg_iov = siovs;
|
---|
| 523 | smsg.msg_iovlen = 4;
|
---|
| 524 | memset(&rmsg, 0, sizeof(rmsg));
|
---|
| 525 | rmsg.msg_iov = riovs;
|
---|
| 526 | rmsg.msg_iovlen = 4;
|
---|
| 527 |
|
---|
| 528 | /* perform a sendmsg with remote host (self) */
|
---|
| 529 | smsg.msg_name = &addr_storage;
|
---|
| 530 | smsg.msg_namelen = addr_size;
|
---|
| 531 |
|
---|
| 532 | test_sockets_msgapi_udp_send_recv_loop(s, &smsg, &rmsg);
|
---|
| 533 |
|
---|
| 534 | /* Connect to self, allowing us to not pass message name */
|
---|
| 535 | ret = lwip_connect(s, (struct sockaddr*)&addr_storage, addr_size);
|
---|
| 536 | fail_unless(ret == 0);
|
---|
| 537 |
|
---|
| 538 | smsg.msg_name = NULL;
|
---|
| 539 | smsg.msg_namelen = 0;
|
---|
| 540 |
|
---|
| 541 | test_sockets_msgapi_udp_send_recv_loop(s, &smsg, &rmsg);
|
---|
| 542 |
|
---|
| 543 | ret = lwip_close(s);
|
---|
| 544 | fail_unless(ret == 0);
|
---|
| 545 | }
|
---|
| 546 |
|
---|
| 547 | #if LWIP_IPV4
|
---|
| 548 | static void test_sockets_msgapi_cmsg(int domain)
|
---|
| 549 | {
|
---|
| 550 | int s, ret, enable;
|
---|
| 551 | struct sockaddr_storage addr_storage;
|
---|
| 552 | socklen_t addr_size;
|
---|
| 553 | struct iovec iov;
|
---|
| 554 | struct msghdr msg;
|
---|
| 555 | struct cmsghdr *cmsg;
|
---|
| 556 | struct in_pktinfo *pktinfo;
|
---|
| 557 | u8_t rcv_buf[4];
|
---|
| 558 | u8_t snd_buf[4] = {0xDE, 0xAD, 0xBE, 0xEF};
|
---|
| 559 | u8_t cmsg_buf[CMSG_SPACE(sizeof(struct in_pktinfo))];
|
---|
| 560 |
|
---|
| 561 | test_sockets_init_loopback_addr(domain, &addr_storage, &addr_size);
|
---|
| 562 |
|
---|
| 563 | s = test_sockets_alloc_socket_nonblocking(domain, SOCK_DGRAM);
|
---|
| 564 | fail_unless(s >= 0);
|
---|
| 565 |
|
---|
| 566 | ret = lwip_bind(s, (struct sockaddr*)&addr_storage, addr_size);
|
---|
| 567 | fail_unless(ret == 0);
|
---|
| 568 |
|
---|
| 569 | /* Update addr with epehermal port */
|
---|
| 570 | ret = lwip_getsockname(s, (struct sockaddr*)&addr_storage, &addr_size);
|
---|
| 571 | fail_unless(ret == 0);
|
---|
| 572 |
|
---|
| 573 | enable = 1;
|
---|
| 574 | ret = lwip_setsockopt(s, IPPROTO_IP, IP_PKTINFO, &enable, sizeof(enable));
|
---|
| 575 | fail_unless(ret == 0);
|
---|
| 576 |
|
---|
| 577 | /* Receive full message, including control message */
|
---|
| 578 | iov.iov_base = rcv_buf;
|
---|
| 579 | iov.iov_len = sizeof(rcv_buf);
|
---|
| 580 | msg.msg_control = cmsg_buf;
|
---|
| 581 | msg.msg_controllen = sizeof(cmsg_buf);
|
---|
| 582 | msg.msg_flags = 0;
|
---|
| 583 | msg.msg_iov = &iov;
|
---|
| 584 | msg.msg_iovlen = 1;
|
---|
| 585 | msg.msg_name = NULL;
|
---|
| 586 | msg.msg_namelen = 0;
|
---|
| 587 |
|
---|
| 588 | memset(rcv_buf, 0, sizeof(rcv_buf));
|
---|
| 589 | ret = lwip_sendto(s, snd_buf, sizeof(snd_buf), 0, (struct sockaddr*)&addr_storage, addr_size);
|
---|
| 590 | fail_unless(ret == sizeof(snd_buf));
|
---|
| 591 |
|
---|
| 592 | tcpip_thread_poll_one();
|
---|
| 593 |
|
---|
| 594 | ret = lwip_recvmsg(s, &msg, 0);
|
---|
| 595 | fail_unless(ret == sizeof(rcv_buf));
|
---|
| 596 | fail_unless(!memcmp(rcv_buf, snd_buf, sizeof(rcv_buf)));
|
---|
| 597 |
|
---|
| 598 | /* Verify message header */
|
---|
| 599 | cmsg = CMSG_FIRSTHDR(&msg);
|
---|
| 600 | fail_unless(cmsg != NULL);
|
---|
| 601 | fail_unless(cmsg->cmsg_len > 0);
|
---|
| 602 | fail_unless(cmsg->cmsg_level == IPPROTO_IP);
|
---|
| 603 | fail_unless(cmsg->cmsg_type == IP_PKTINFO);
|
---|
| 604 |
|
---|
| 605 | /* Verify message data */
|
---|
| 606 | pktinfo = (struct in_pktinfo*)CMSG_DATA(cmsg);
|
---|
| 607 | /* We only have loopback interface enabled */
|
---|
| 608 | fail_unless(pktinfo->ipi_ifindex == 1);
|
---|
| 609 | fail_unless(pktinfo->ipi_addr.s_addr == PP_HTONL(INADDR_LOOPBACK));
|
---|
| 610 |
|
---|
| 611 | /* Verify there are no additional messages */
|
---|
| 612 | cmsg = CMSG_NXTHDR(&msg, cmsg);
|
---|
| 613 | fail_unless(cmsg == NULL);
|
---|
| 614 |
|
---|
| 615 | /* Send datagram again, testing truncation */
|
---|
| 616 | memset(rcv_buf, 0, sizeof(rcv_buf));
|
---|
| 617 | ret = lwip_sendto(s, snd_buf, sizeof(snd_buf), 0, (struct sockaddr*)&addr_storage, addr_size);
|
---|
| 618 | fail_unless(ret == sizeof(snd_buf));
|
---|
| 619 |
|
---|
| 620 | tcpip_thread_poll_one();
|
---|
| 621 |
|
---|
| 622 | msg.msg_controllen = 1;
|
---|
| 623 | msg.msg_flags = 0;
|
---|
| 624 | ret = lwip_recvmsg(s, &msg, 0);
|
---|
| 625 | fail_unless(ret == sizeof(rcv_buf));
|
---|
| 626 | fail_unless(!memcmp(rcv_buf, snd_buf, sizeof(rcv_buf)));
|
---|
| 627 | /* Ensure truncation was returned */
|
---|
| 628 | fail_unless(msg.msg_flags & MSG_CTRUNC);
|
---|
| 629 | /* Ensure no control messages were returned */
|
---|
| 630 | fail_unless(msg.msg_controllen == 0);
|
---|
| 631 |
|
---|
| 632 | ret = lwip_close(s);
|
---|
| 633 | fail_unless(ret == 0);
|
---|
| 634 | }
|
---|
| 635 | #endif /* LWIP_IPV4 */
|
---|
| 636 |
|
---|
| 637 | START_TEST(test_sockets_msgapis)
|
---|
| 638 | {
|
---|
| 639 | LWIP_UNUSED_ARG(_i);
|
---|
| 640 | #if LWIP_IPV4
|
---|
| 641 | test_sockets_msgapi_udp(AF_INET);
|
---|
| 642 | test_sockets_msgapi_tcp(AF_INET);
|
---|
| 643 | test_sockets_msgapi_cmsg(AF_INET);
|
---|
| 644 | #endif
|
---|
| 645 | #if LWIP_IPV6
|
---|
| 646 | test_sockets_msgapi_udp(AF_INET6);
|
---|
| 647 | test_sockets_msgapi_tcp(AF_INET6);
|
---|
| 648 | #endif
|
---|
| 649 | }
|
---|
| 650 | END_TEST
|
---|
| 651 |
|
---|
| 652 | START_TEST(test_sockets_select)
|
---|
| 653 | {
|
---|
| 654 | #if LWIP_SOCKET_SELECT
|
---|
| 655 | int s;
|
---|
| 656 | int ret;
|
---|
| 657 | fd_set readset;
|
---|
| 658 | fd_set writeset;
|
---|
| 659 | fd_set errset;
|
---|
| 660 | struct timeval tv;
|
---|
| 661 |
|
---|
| 662 | fail_unless(test_sockets_get_used_count() == 0);
|
---|
| 663 |
|
---|
| 664 | s = lwip_socket(AF_INET, SOCK_STREAM, 0);
|
---|
| 665 | fail_unless(s >= 0);
|
---|
| 666 | fail_unless(test_sockets_get_used_count() == 0);
|
---|
| 667 |
|
---|
| 668 | FD_ZERO(&readset);
|
---|
| 669 | FD_SET(s, &readset);
|
---|
| 670 | FD_ZERO(&writeset);
|
---|
| 671 | FD_SET(s, &writeset);
|
---|
| 672 | FD_ZERO(&errset);
|
---|
| 673 | FD_SET(s, &errset);
|
---|
| 674 |
|
---|
| 675 | tv.tv_sec = tv.tv_usec = 0;
|
---|
| 676 | ret = lwip_select(s + 1, &readset, &writeset, &errset, &tv);
|
---|
| 677 | fail_unless(ret == 0);
|
---|
| 678 | fail_unless(test_sockets_get_used_count() == 0);
|
---|
| 679 |
|
---|
| 680 | ret = lwip_close(s);
|
---|
| 681 | fail_unless(ret == 0);
|
---|
| 682 |
|
---|
| 683 | #endif
|
---|
| 684 | LWIP_UNUSED_ARG(_i);
|
---|
| 685 | }
|
---|
| 686 | END_TEST
|
---|
| 687 |
|
---|
| 688 | START_TEST(test_sockets_recv_after_rst)
|
---|
| 689 | {
|
---|
| 690 | int sl, sact;
|
---|
| 691 | int spass = -1;
|
---|
| 692 | int ret;
|
---|
| 693 | struct sockaddr_in sa_listen;
|
---|
| 694 | const u16_t port = 1234;
|
---|
| 695 | int arg;
|
---|
| 696 | const char txbuf[] = "something";
|
---|
| 697 | char rxbuf[16];
|
---|
| 698 | struct lwip_sock *sact_sock;
|
---|
| 699 | int err;
|
---|
| 700 | LWIP_UNUSED_ARG(_i);
|
---|
| 701 |
|
---|
| 702 | fail_unless(test_sockets_get_used_count() == 0);
|
---|
| 703 |
|
---|
| 704 | memset(&sa_listen, 0, sizeof(sa_listen));
|
---|
| 705 | sa_listen.sin_family = AF_INET;
|
---|
| 706 | sa_listen.sin_port = PP_HTONS(port);
|
---|
| 707 | sa_listen.sin_addr.s_addr = PP_HTONL(INADDR_LOOPBACK);
|
---|
| 708 |
|
---|
| 709 | /* set up the listener */
|
---|
| 710 | sl = lwip_socket(AF_INET, SOCK_STREAM, 0);
|
---|
| 711 | fail_unless(sl >= 0);
|
---|
| 712 | fail_unless(test_sockets_get_used_count() == 0);
|
---|
| 713 |
|
---|
| 714 | ret = lwip_bind(sl, (struct sockaddr *)&sa_listen, sizeof(sa_listen));
|
---|
| 715 | fail_unless(ret == 0);
|
---|
| 716 | ret = lwip_listen(sl, 0);
|
---|
| 717 | fail_unless(ret == 0);
|
---|
| 718 |
|
---|
| 719 | /* set up the client */
|
---|
| 720 | sact = lwip_socket(AF_INET, SOCK_STREAM, 0);
|
---|
| 721 | fail_unless(sact >= 0);
|
---|
| 722 | fail_unless(test_sockets_get_used_count() == 0);
|
---|
| 723 | /* set the client to nonblocking to simplify this test */
|
---|
| 724 | arg = 1;
|
---|
| 725 | ret = lwip_ioctl(sact, FIONBIO, &arg);
|
---|
| 726 | fail_unless(ret == 0);
|
---|
| 727 | /* connect */
|
---|
| 728 | do {
|
---|
| 729 | ret = lwip_connect(sact, (struct sockaddr *)&sa_listen, sizeof(sa_listen));
|
---|
| 730 | err = errno;
|
---|
| 731 | fail_unless((ret == 0) || (ret == -1));
|
---|
| 732 | if (ret != 0) {
|
---|
| 733 | if (err == EISCONN) {
|
---|
| 734 | /* Although this is not valid, use EISCONN as an indicator for successful connection.
|
---|
| 735 | This marks us as "connect phase is done". On error, we would either have a different
|
---|
| 736 | errno code or "send" fails later... -> good enough for this test. */
|
---|
| 737 | ret = 0;
|
---|
| 738 | } else {
|
---|
| 739 | fail_unless(err == EINPROGRESS);
|
---|
| 740 | if (err != EINPROGRESS) {
|
---|
| 741 | goto cleanup;
|
---|
| 742 | }
|
---|
| 743 | /* we're in progress: little side check: test for EALREADY */
|
---|
| 744 | ret = lwip_connect(sact, (struct sockaddr *)&sa_listen, sizeof(sa_listen));
|
---|
| 745 | err = errno;
|
---|
| 746 | fail_unless(ret == -1);
|
---|
| 747 | fail_unless(err == EALREADY);
|
---|
| 748 | if ((ret != -1) || (err != EALREADY)) {
|
---|
| 749 | goto cleanup;
|
---|
| 750 | }
|
---|
| 751 | }
|
---|
| 752 | tcpip_thread_poll_one();
|
---|
| 753 | tcpip_thread_poll_one();
|
---|
| 754 | tcpip_thread_poll_one();
|
---|
| 755 | tcpip_thread_poll_one();
|
---|
| 756 | }
|
---|
| 757 | } while (ret != 0);
|
---|
| 758 | fail_unless(ret == 0);
|
---|
| 759 |
|
---|
| 760 | /* accept the server connection part */
|
---|
| 761 | spass = lwip_accept(sl, NULL, NULL);
|
---|
| 762 | fail_unless(spass >= 0);
|
---|
| 763 |
|
---|
| 764 | /* write data from client */
|
---|
| 765 | ret = lwip_send(sact, txbuf, sizeof(txbuf), 0);
|
---|
| 766 | fail_unless(ret == sizeof(txbuf));
|
---|
| 767 |
|
---|
| 768 | tcpip_thread_poll_one();
|
---|
| 769 | tcpip_thread_poll_one();
|
---|
| 770 |
|
---|
| 771 | /* issue RST (This is a HACK, don't try this in your own app!) */
|
---|
| 772 | sact_sock = lwip_socket_dbg_get_socket(sact);
|
---|
| 773 | fail_unless(sact_sock != NULL);
|
---|
| 774 | if (sact_sock != NULL) {
|
---|
| 775 | struct netconn *sact_conn = sact_sock->conn;
|
---|
| 776 | fail_unless(sact_conn != NULL);
|
---|
| 777 | if (sact_conn != NULL) {
|
---|
| 778 | struct tcp_pcb *pcb = sact_conn->pcb.tcp;
|
---|
| 779 | fail_unless(pcb != NULL);
|
---|
| 780 | if (pcb != NULL) {
|
---|
| 781 | tcp_rst(pcb, pcb->snd_nxt, pcb->rcv_nxt, &pcb->local_ip, &pcb->remote_ip,
|
---|
| 782 | pcb->local_port, pcb->remote_port);
|
---|
| 783 | }
|
---|
| 784 | }
|
---|
| 785 | }
|
---|
| 786 | tcpip_thread_poll_one();
|
---|
| 787 | tcpip_thread_poll_one();
|
---|
| 788 |
|
---|
| 789 | /* expect to receive data first */
|
---|
| 790 | ret = lwip_recv(spass, rxbuf, sizeof(rxbuf), 0);
|
---|
| 791 | fail_unless(ret > 0);
|
---|
| 792 | tcpip_thread_poll_one();
|
---|
| 793 | tcpip_thread_poll_one();
|
---|
| 794 |
|
---|
| 795 | /* expect to receive RST indication */
|
---|
| 796 | ret = lwip_recv(spass, rxbuf, sizeof(rxbuf), 0);
|
---|
| 797 | fail_unless(ret == -1);
|
---|
| 798 | err = errno;
|
---|
| 799 | fail_unless(err == ECONNRESET);
|
---|
| 800 | tcpip_thread_poll_one();
|
---|
| 801 | tcpip_thread_poll_one();
|
---|
| 802 |
|
---|
| 803 | /* expect to receive ENOTCONN indication */
|
---|
| 804 | ret = lwip_recv(spass, rxbuf, sizeof(rxbuf), 0);
|
---|
| 805 | fail_unless(ret == -1);
|
---|
| 806 | err = errno;
|
---|
| 807 | fail_unless(err == ENOTCONN);
|
---|
| 808 | tcpip_thread_poll_one();
|
---|
| 809 | tcpip_thread_poll_one();
|
---|
| 810 |
|
---|
| 811 | /* expect to receive ENOTCONN indication */
|
---|
| 812 | ret = lwip_recv(spass, rxbuf, sizeof(rxbuf), 0);
|
---|
| 813 | fail_unless(ret == -1);
|
---|
| 814 | err = errno;
|
---|
| 815 | fail_unless(err == ENOTCONN);
|
---|
| 816 | tcpip_thread_poll_one();
|
---|
| 817 | tcpip_thread_poll_one();
|
---|
| 818 |
|
---|
| 819 | cleanup:
|
---|
| 820 | ret = lwip_close(sl);
|
---|
| 821 | fail_unless(ret == 0);
|
---|
| 822 | ret = lwip_close(sact);
|
---|
| 823 | fail_unless(ret == 0);
|
---|
| 824 | if (spass >= 0) {
|
---|
| 825 | ret = lwip_close(spass);
|
---|
| 826 | fail_unless(ret == 0);
|
---|
| 827 | }
|
---|
| 828 | }
|
---|
| 829 | END_TEST
|
---|
| 830 |
|
---|
| 831 | /** Create the suite including all tests for this module */
|
---|
| 832 | Suite *
|
---|
| 833 | sockets_suite(void)
|
---|
| 834 | {
|
---|
| 835 | testfunc tests[] = {
|
---|
| 836 | TESTFUNC(test_sockets_basics),
|
---|
| 837 | TESTFUNC(test_sockets_allfunctions_basic),
|
---|
| 838 | TESTFUNC(test_sockets_msgapis),
|
---|
| 839 | TESTFUNC(test_sockets_select),
|
---|
| 840 | TESTFUNC(test_sockets_recv_after_rst),
|
---|
| 841 | };
|
---|
| 842 | return create_suite("SOCKETS", tests, sizeof(tests)/sizeof(testfunc), sockets_setup, sockets_teardown);
|
---|
| 843 | }
|
---|
| 844 |
|
---|
| 845 | #else /* LWIP_SOCKET */
|
---|
| 846 |
|
---|
| 847 | Suite *
|
---|
| 848 | sockets_suite(void)
|
---|
| 849 | {
|
---|
| 850 | return create_suite("SOCKETS", NULL, 0, NULL, NULL);
|
---|
| 851 | }
|
---|
| 852 | #endif /* LWIP_SOCKET */
|
---|