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160
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1 /* Copyright Fedor Indutny. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #if !defined(_WIN32)
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23
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24 #include "uv.h"
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25 #include "task.h"
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26
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27 #include <errno.h>
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28 #include <sys/socket.h>
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29 #include <unistd.h>
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30
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31 static uv_tcp_t server_handle;
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32 static uv_tcp_t client_handle;
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33 static uv_tcp_t peer_handle;
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34 static uv_idle_t idle;
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35 static uv_connect_t connect_req;
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36 static int ticks;
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37 static const int kMaxTicks = 10;
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38
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39 static void alloc_cb(uv_handle_t* handle,
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40 size_t suggested_size,
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41 uv_buf_t* buf) {
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42 static char storage[1024];
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43 *buf = uv_buf_init(storage, sizeof(storage));
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44 }
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45
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46
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47 static void idle_cb(uv_idle_t* idle) {
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48 if (++ticks < kMaxTicks)
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49 return;
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50
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51 uv_close((uv_handle_t*) &server_handle, NULL);
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52 uv_close((uv_handle_t*) &client_handle, NULL);
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53 uv_close((uv_handle_t*) &peer_handle, NULL);
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54 uv_close((uv_handle_t*) idle, NULL);
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55 }
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56
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57
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58 static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
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59 #ifdef __MVS__
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60 char lbuf[12];
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61 #endif
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62 uv_os_fd_t fd;
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63
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64 ASSERT_GE(nread, 0);
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65 ASSERT_OK(uv_fileno((uv_handle_t*)handle, &fd));
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66 ASSERT_OK(uv_idle_start(&idle, idle_cb));
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67
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68 #ifdef __MVS__
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69 /* Need to flush out the OOB data. Otherwise, this callback will get
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70 * triggered on every poll with nread = 0.
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71 */
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72 ASSERT_NE(-1, recv(fd, lbuf, sizeof(lbuf), MSG_OOB));
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73 #endif
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74 }
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75
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76
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77 static void connect_cb(uv_connect_t* req, int status) {
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78 ASSERT_PTR_EQ(req->handle, (uv_stream_t*) &client_handle);
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79 ASSERT_OK(status);
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80 }
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81
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82
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83 static void connection_cb(uv_stream_t* handle, int status) {
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84 int r;
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85 uv_os_fd_t fd;
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86
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87 ASSERT_OK(status);
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88 ASSERT_OK(uv_accept(handle, (uv_stream_t*) &peer_handle));
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89 ASSERT_OK(uv_read_start((uv_stream_t*) &peer_handle, alloc_cb, read_cb));
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90
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91 /* Send some OOB data */
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92 ASSERT_OK(uv_fileno((uv_handle_t*) &client_handle, &fd));
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93
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94 ASSERT_OK(uv_stream_set_blocking((uv_stream_t*) &client_handle, 1));
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95
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96 /* The problem triggers only on a second message, it seem that xnu is not
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97 * triggering `kevent()` for the first one
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98 */
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99 do {
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100 r = send(fd, "hello", 5, MSG_OOB);
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101 } while (r < 0 && errno == EINTR);
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102 ASSERT_EQ(5, r);
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103
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104 do {
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105 r = send(fd, "hello", 5, MSG_OOB);
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106 } while (r < 0 && errno == EINTR);
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107 ASSERT_EQ(5, r);
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108
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109 ASSERT_OK(uv_stream_set_blocking((uv_stream_t*) &client_handle, 0));
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110 }
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111
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112
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113 TEST_IMPL(tcp_oob) {
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114 struct sockaddr_in addr;
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115 uv_loop_t* loop;
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116
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117 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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118 loop = uv_default_loop();
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119
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120 ASSERT_OK(uv_tcp_init(loop, &server_handle));
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121 ASSERT_OK(uv_tcp_init(loop, &client_handle));
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122 ASSERT_OK(uv_tcp_init(loop, &peer_handle));
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123 ASSERT_OK(uv_idle_init(loop, &idle));
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124 ASSERT_OK(uv_tcp_bind(&server_handle, (const struct sockaddr*) &addr, 0));
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125 ASSERT_OK(uv_listen((uv_stream_t*) &server_handle, 1, connection_cb));
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126
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127 /* Ensure two separate packets */
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128 ASSERT_OK(uv_tcp_nodelay(&client_handle, 1));
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129
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130 ASSERT_OK(uv_tcp_connect(&connect_req,
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131 &client_handle,
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132 (const struct sockaddr*) &addr,
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133 connect_cb));
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134 ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
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135
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136 ASSERT_EQ(ticks, kMaxTicks);
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137
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138 MAKE_VALGRIND_HAPPY(loop);
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139 return 0;
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140 }
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141
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142 #else
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143
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144 typedef int file_has_no_tests; /* ISO C forbids an empty translation unit. */
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145
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146 #endif /* !_WIN32 */
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