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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 <stdio.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28
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29 #define CHECK_HANDLE(handle) \
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30 ASSERT_PTR_EQ((uv_udp_t*)(handle), &handle_)
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31
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32 #define CHECK_REQ(req) \
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33 ASSERT_PTR_EQ((req), &req_);
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34
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35 static uv_udp_t handle_;
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36 static uv_udp_send_t req_;
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37
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38 static int send_cb_called;
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39 static int close_cb_called;
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40
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41
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42 static void close_cb(uv_handle_t* handle) {
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43 CHECK_HANDLE(handle);
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44 close_cb_called++;
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45 }
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46
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47
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48 static void send_cb(uv_udp_send_t* req, int status) {
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49 CHECK_REQ(req);
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50 CHECK_HANDLE(req->handle);
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51
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52 ASSERT_EQ(status, UV_EMSGSIZE);
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53
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54 uv_close((uv_handle_t*)req->handle, close_cb);
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55 send_cb_called++;
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56 }
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57
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58
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59 TEST_IMPL(udp_dgram_too_big) {
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60 char dgram[65536]; /* 64K MTU is unlikely, even on localhost */
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61 struct sockaddr_in addr;
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62 uv_buf_t buf;
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63 int r;
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64
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65 memset(dgram, 42, sizeof dgram); /* silence valgrind */
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66
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67 r = uv_udp_init(uv_default_loop(), &handle_);
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68 ASSERT_OK(r);
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69
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70 buf = uv_buf_init(dgram, sizeof dgram);
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71 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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72
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73 r = uv_udp_send(&req_,
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74 &handle_,
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75 &buf,
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76 1,
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77 (const struct sockaddr*) &addr,
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78 send_cb);
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79 ASSERT_OK(r);
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80
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81 ASSERT_OK(close_cb_called);
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82 ASSERT_OK(send_cb_called);
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83
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84 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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85
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86 ASSERT_EQ(1, send_cb_called);
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87 ASSERT_EQ(1, close_cb_called);
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88
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89 MAKE_VALGRIND_HAPPY(uv_default_loop());
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90 return 0;
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91 }
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