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1 /* Copyright libuv project and 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_tcp_t tcp;
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26 static uv_connect_t connect_req;
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27 static uv_buf_t qbuf;
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28 static int called_alloc_cb;
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29 static int called_connect_cb;
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30 static int called_close_cb;
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31
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32
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33 static void close_cb(uv_handle_t* handle) {
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34 ASSERT_PTR_EQ(handle, (uv_handle_t*) &tcp);
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35 called_close_cb++;
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36 }
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37
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38
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39 static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
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40 buf->base = malloc(size);
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41 buf->len = size;
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42 called_alloc_cb++;
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43 }
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44
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45
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46 static void read_cb(uv_stream_t* t, ssize_t nread, const uv_buf_t* buf) {
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47 ASSERT_PTR_EQ((uv_tcp_t*) t, &tcp);
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48 ASSERT_EQ(nread, UV_ECONNRESET);
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49
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50 int fd;
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51 ASSERT_OK(uv_fileno((uv_handle_t*) t, &fd));
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52 uv_handle_type type = uv_guess_handle(fd);
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53 ASSERT_EQ(type, UV_TCP);
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54
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55 uv_close((uv_handle_t *) t, close_cb);
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56 free(buf->base);
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57 }
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58
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59
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60 static void connect_cb(uv_connect_t *req, int status) {
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61 ASSERT_OK(status);
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62 ASSERT_PTR_EQ(req, &connect_req);
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63
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64 /* Start reading from the connection so we receive the RST in uv__read. */
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65 ASSERT_OK(uv_read_start((uv_stream_t*) &tcp, alloc_cb, read_cb));
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66
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67 /* Write 'QSH' to receive RST from the echo server. */
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68 ASSERT_EQ(qbuf.len, uv_try_write((uv_stream_t*) &tcp, &qbuf, 1));
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69
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70 called_connect_cb++;
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71 }
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72
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73
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74 /*
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75 * This test has a client which connects to the echo_server and receives TCP
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76 * RST. Test checks that uv_guess_handle still works on a reset TCP handle.
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77 */
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78 TEST_IMPL(tcp_rst) {
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79 #if defined(__OpenBSD__)
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80 RETURN_SKIP("Test does not currently work in OpenBSD");
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81 #endif
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82 #ifndef _WIN32
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83 struct sockaddr_in server_addr;
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84 int r;
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85
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86 qbuf.base = "QSH";
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87 qbuf.len = 3;
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88
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89 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr));
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90 r = uv_tcp_init(uv_default_loop(), &tcp);
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91 ASSERT_OK(r);
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92
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93 r = uv_tcp_connect(&connect_req,
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94 &tcp,
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95 (const struct sockaddr*) &server_addr,
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96 connect_cb);
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97 ASSERT_OK(r);
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98
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99 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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100
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101 ASSERT_EQ(1, called_alloc_cb);
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102 ASSERT_EQ(1, called_connect_cb);
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103 ASSERT_EQ(1, called_close_cb);
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104
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105 MAKE_VALGRIND_HAPPY(uv_default_loop());
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106 return 0;
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107 #else
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108 RETURN_SKIP("Unix only test");
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109 #endif
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110 }
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