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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 #include <stdio.h>
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25 #include <stdlib.h>
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26
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27
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28 #define WRITES 3
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29 #if defined(__arm__) /* Decrease the chunks so the test passes on arm CI bots */
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30 #define CHUNKS_PER_WRITE 2048
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31 #else
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32 #define CHUNKS_PER_WRITE 4096
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33 #endif
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34 #define CHUNK_SIZE 10024 /* 10 kb */
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35
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36 #define TOTAL_BYTES (WRITES * CHUNKS_PER_WRITE * CHUNK_SIZE)
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37
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38 static char* send_buffer;
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39
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40 static int shutdown_cb_called = 0;
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41 static int connect_cb_called = 0;
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42 static int write_cb_called = 0;
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43 static int close_cb_called = 0;
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44 static size_t bytes_sent = 0;
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45 static size_t bytes_sent_done = 0;
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46 static size_t bytes_received_done = 0;
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47
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48 static uv_connect_t connect_req;
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49 static uv_shutdown_t shutdown_req;
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50 static uv_write_t write_reqs[WRITES];
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51
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52
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53 static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
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54 buf->base = malloc(size);
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55 buf->len = size;
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56 }
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57
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58
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59 static void close_cb(uv_handle_t* handle) {
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60 ASSERT_NOT_NULL(handle);
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61 close_cb_called++;
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62 }
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63
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64
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65 static void shutdown_cb(uv_shutdown_t* req, int status) {
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66 uv_tcp_t* tcp;
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67
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68 ASSERT_PTR_EQ(req, &shutdown_req);
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69 ASSERT_OK(status);
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70
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71 tcp = (uv_tcp_t*)(req->handle);
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72
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73 /* The write buffer should be empty by now. */
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74 ASSERT_OK(tcp->write_queue_size);
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75
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76 /* Now we wait for the EOF */
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77 shutdown_cb_called++;
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78
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79 /* We should have had all the writes called already. */
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80 ASSERT_EQ(write_cb_called, WRITES);
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81 }
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82
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83
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84 static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
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85 ASSERT_NOT_NULL(tcp);
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86
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87 if (nread >= 0) {
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88 bytes_received_done += nread;
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89 }
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90 else {
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91 ASSERT_EQ(nread, UV_EOF);
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92 printf("GOT EOF\n");
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93 uv_close((uv_handle_t*)tcp, close_cb);
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94 }
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95
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96 free(buf->base);
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97 }
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98
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99
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100 static void write_cb(uv_write_t* req, int status) {
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101 ASSERT_NOT_NULL(req);
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102
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103 if (status) {
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104 fprintf(stderr, "uv_write error: %s\n", uv_strerror(status));
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105 ASSERT(0);
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106 }
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107
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108 bytes_sent_done += CHUNKS_PER_WRITE * CHUNK_SIZE;
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109 write_cb_called++;
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110 }
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111
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112
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113 static void connect_cb(uv_connect_t* req, int status) {
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114 uv_buf_t send_bufs[CHUNKS_PER_WRITE];
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115 uv_stream_t* stream;
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116 int i, j, r;
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117
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118 ASSERT_PTR_EQ(req, &connect_req);
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119 ASSERT_OK(status);
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120
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121 stream = req->handle;
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122 connect_cb_called++;
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123
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124 /* Write a lot of data */
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125 for (i = 0; i < WRITES; i++) {
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126 uv_write_t* write_req = write_reqs + i;
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127
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128 for (j = 0; j < CHUNKS_PER_WRITE; j++) {
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129 send_bufs[j] = uv_buf_init(send_buffer + bytes_sent, CHUNK_SIZE);
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130 bytes_sent += CHUNK_SIZE;
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131 }
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132
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133 r = uv_write(write_req, stream, send_bufs, CHUNKS_PER_WRITE, write_cb);
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134 ASSERT_OK(r);
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135 }
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136
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137 /* Shutdown on drain. */
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138 r = uv_shutdown(&shutdown_req, stream, shutdown_cb);
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139 ASSERT_OK(r);
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140
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141 /* Start reading */
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142 r = uv_read_start(stream, alloc_cb, read_cb);
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143 ASSERT_OK(r);
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144 }
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145
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146
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147 TEST_IMPL(tcp_writealot) {
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148 struct sockaddr_in addr;
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149 uv_tcp_t client;
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150 int r;
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151
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152 #if defined(__MSAN__) || defined(__TSAN__)
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153 RETURN_SKIP("Test is too slow to run under "
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154 "MemorySanitizer or ThreadSanitizer");
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155 #endif
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156
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157 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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158
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159 send_buffer = calloc(1, TOTAL_BYTES);
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160 ASSERT_NOT_NULL(send_buffer);
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161
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162 r = uv_tcp_init(uv_default_loop(), &client);
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163 ASSERT_OK(r);
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164
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165 r = uv_tcp_connect(&connect_req,
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166 &client,
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167 (const struct sockaddr*) &addr,
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168 connect_cb);
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169 ASSERT_OK(r);
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170
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171 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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172
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173 ASSERT_EQ(1, shutdown_cb_called);
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174 ASSERT_EQ(1, connect_cb_called);
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175 ASSERT_EQ(write_cb_called, WRITES);
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176 ASSERT_EQ(1, close_cb_called);
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177 ASSERT_EQ(bytes_sent, TOTAL_BYTES);
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178 ASSERT_EQ(bytes_sent_done, TOTAL_BYTES);
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179 ASSERT_EQ(bytes_received_done, TOTAL_BYTES);
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180
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181 free(send_buffer);
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182
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183 MAKE_VALGRIND_HAPPY(uv_default_loop());
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184 return 0;
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185 }
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