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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 #include <errno.h>
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26 #include <string.h> /* memset */
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27
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28 #define NUM_WRITE_REQS 32
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29
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30 static uv_tcp_t tcp_handle;
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31 static uv_connect_t connect_req;
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32
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33 static int write_cb_called;
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34 static int close_cb_called;
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35
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36 static void connect_cb(uv_connect_t* req, int status);
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37 static void write_cb(uv_write_t* req, int status);
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38 static void close_cb(uv_handle_t* handle);
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39
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40
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41 static void connect_cb(uv_connect_t* conn_req, int status) {
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42 uv_write_t* req;
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43 uv_buf_t buf;
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44 int i, r;
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45
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46 buf = uv_buf_init("PING", 4);
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47 for (i = 0; i < NUM_WRITE_REQS; i++) {
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48 req = malloc(sizeof *req);
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49 ASSERT_NOT_NULL(req);
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50
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51 r = uv_write(req, (uv_stream_t*)&tcp_handle, &buf, 1, write_cb);
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52 ASSERT_OK(r);
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53 }
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54
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55 uv_close((uv_handle_t*)&tcp_handle, close_cb);
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56 }
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57
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58
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59 static void write_cb(uv_write_t* req, int status) {
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60 /* write callbacks should run before the close callback */
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61 ASSERT_OK(close_cb_called);
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62 ASSERT_PTR_EQ(req->handle, (uv_stream_t*)&tcp_handle);
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63 write_cb_called++;
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64 free(req);
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65 }
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66
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67
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68 static void close_cb(uv_handle_t* handle) {
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69 ASSERT_PTR_EQ(handle, (uv_handle_t*)&tcp_handle);
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70 close_cb_called++;
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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* server, int status) {
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75 ASSERT_OK(status);
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76 }
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77
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78
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79 static void start_server(uv_loop_t* loop, uv_tcp_t* handle) {
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80 struct sockaddr_in addr;
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81 int r;
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82
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83 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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84
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85 r = uv_tcp_init(loop, handle);
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86 ASSERT_OK(r);
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87
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88 r = uv_tcp_bind(handle, (const struct sockaddr*) &addr, 0);
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89 ASSERT_OK(r);
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90
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91 r = uv_listen((uv_stream_t*)handle, 128, connection_cb);
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92 ASSERT_OK(r);
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93
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94 uv_unref((uv_handle_t*)handle);
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95 }
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96
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97
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98 /* Check that pending write requests have their callbacks
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99 * invoked when the handle is closed.
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100 */
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101 TEST_IMPL(tcp_close) {
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102 struct sockaddr_in addr;
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103 uv_tcp_t tcp_server;
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104 uv_loop_t* loop;
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105 int r;
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106
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107 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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108
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109 loop = uv_default_loop();
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110
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111 /* We can't use the echo server, it doesn't handle ECONNRESET. */
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112 start_server(loop, &tcp_server);
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113
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114 r = uv_tcp_init(loop, &tcp_handle);
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115 ASSERT_OK(r);
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116
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117 r = uv_tcp_connect(&connect_req,
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118 &tcp_handle,
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119 (const struct sockaddr*) &addr,
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120 connect_cb);
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121 ASSERT_OK(r);
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122
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123 ASSERT_OK(write_cb_called);
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124 ASSERT_OK(close_cb_called);
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125
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126 r = uv_run(loop, UV_RUN_DEFAULT);
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127 ASSERT_OK(r);
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128
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129 printf("%d of %d write reqs seen\n", write_cb_called, NUM_WRITE_REQS);
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130
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131 ASSERT_EQ(write_cb_called, NUM_WRITE_REQS);
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132 ASSERT_EQ(1, close_cb_called);
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133
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134 MAKE_VALGRIND_HAPPY(loop);
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135 return 0;
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136 }
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