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1 /* Copyright Joyent, Inc. and other Node contributors. 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 #include "uv.h"
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23 #include "task.h"
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24
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25 static uv_check_t check_handle;
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26 static uv_timer_t timer_handle;
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27 static uv_tcp_t server_handle;
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28 static uv_tcp_t client_handle;
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29 static uv_tcp_t peer_handle;
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30 static uv_write_t write_req;
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31 static uv_connect_t connect_req;
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32
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33 static unsigned long ticks; /* event loop ticks */
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34
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35
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36 static void check_cb(uv_check_t* handle) {
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37 ticks++;
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38 }
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39
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40
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41 static void timer_cb(uv_timer_t* handle) {
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42 uv_close((uv_handle_t*) &check_handle, NULL);
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43 uv_close((uv_handle_t*) &timer_handle, NULL);
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44 uv_close((uv_handle_t*) &server_handle, NULL);
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45 uv_close((uv_handle_t*) &client_handle, NULL);
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46 uv_close((uv_handle_t*) &peer_handle, NULL);
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47 }
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48
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49
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50 static void alloc_cb(uv_handle_t* handle,
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51 size_t suggested_size,
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52 uv_buf_t* buf) {
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53 ASSERT(0 && "alloc_cb should not have been called");
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54 }
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55
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56
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57 static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
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58 ASSERT(0 && "read_cb should not have been called");
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59 }
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60
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61
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62 static void connect_cb(uv_connect_t* req, int status) {
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63 ASSERT_PTR_EQ(req->handle, (uv_stream_t*) &client_handle);
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64 ASSERT_OK(status);
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65 }
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66
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67
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68 static void write_cb(uv_write_t* req, int status) {
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69 ASSERT_PTR_EQ(req->handle, (uv_stream_t*) &peer_handle);
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70 ASSERT_OK(status);
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71 }
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72
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73
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74 static void connection_cb(uv_stream_t* handle, int status) {
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75 uv_buf_t buf;
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76
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77 buf = uv_buf_init("PING", 4);
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78
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79 ASSERT_OK(status);
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80 ASSERT_OK(uv_accept(handle, (uv_stream_t*) &peer_handle));
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81 ASSERT_OK(uv_read_start((uv_stream_t*) &peer_handle, alloc_cb, read_cb));
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82 ASSERT_OK(uv_write(&write_req, (uv_stream_t*) &peer_handle,
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83 &buf, 1, write_cb));
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84 }
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85
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86
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87 TEST_IMPL(tcp_unexpected_read) {
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88 struct sockaddr_in addr;
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89 uv_loop_t* loop;
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90
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91 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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92 loop = uv_default_loop();
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93
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94 ASSERT_OK(uv_timer_init(loop, &timer_handle));
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95 ASSERT_OK(uv_timer_start(&timer_handle, timer_cb, 1000, 0));
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96 ASSERT_OK(uv_check_init(loop, &check_handle));
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97 ASSERT_OK(uv_check_start(&check_handle, check_cb));
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98 ASSERT_OK(uv_tcp_init(loop, &server_handle));
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99 ASSERT_OK(uv_tcp_init(loop, &client_handle));
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100 ASSERT_OK(uv_tcp_init(loop, &peer_handle));
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101 ASSERT_OK(uv_tcp_bind(&server_handle, (const struct sockaddr*) &addr, 0));
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102 ASSERT_OK(uv_listen((uv_stream_t*) &server_handle, 1, connection_cb));
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103 ASSERT_OK(uv_tcp_connect(&connect_req,
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104 &client_handle,
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105 (const struct sockaddr*) &addr,
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106 connect_cb));
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107 ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
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108
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109 /* This is somewhat inexact but the idea is that the event loop should not
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110 * start busy looping when the server sends a message and the client isn't
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111 * reading.
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112 */
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113 ASSERT_LE(ticks, 20);
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114
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115 MAKE_VALGRIND_HAPPY(loop);
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116 return 0;
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117 }
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