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99 lines
3.0 KiB
99 lines
3.0 KiB
/* Copyright The libuv project and contributors. All rights reserved. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to |
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* deal in the Software without restriction, including without limitation the |
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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* sell copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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* IN THE SOFTWARE. |
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*/ |
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#include "uv.h" |
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#include "task.h" |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#define CHECK_OBJECT(handle, type, parent) \ |
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ASSERT((type*)(handle) == &(parent)) |
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static uv_udp_t client; |
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static uv_idle_t idle_handle; |
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static uv_udp_send_t send_req; |
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static uv_buf_t buf; |
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static struct sockaddr_in addr; |
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static char send_data[1024]; |
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static int loop_hang_called; |
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static void send_cb(uv_udp_send_t* req, int status); |
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static void idle_cb(uv_idle_t* handle) { |
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int r; |
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ASSERT(send_req.handle == NULL); |
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CHECK_OBJECT(handle, uv_idle_t, idle_handle); |
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ASSERT(0 == uv_idle_stop(handle)); |
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/* It probably would have stalled by now if it's going to stall at all. */ |
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if (++loop_hang_called > 1000) { |
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uv_close((uv_handle_t*) &client, NULL); |
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uv_close((uv_handle_t*) &idle_handle, NULL); |
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return; |
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} |
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r = uv_udp_send(&send_req, |
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&client, |
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&buf, |
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1, |
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(const struct sockaddr*) &addr, |
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send_cb); |
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ASSERT(r == 0); |
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} |
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static void send_cb(uv_udp_send_t* req, int status) { |
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ASSERT(req != NULL); |
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ASSERT(status == 0 || status == UV_ENETUNREACH); |
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CHECK_OBJECT(req->handle, uv_udp_t, client); |
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CHECK_OBJECT(req, uv_udp_send_t, send_req); |
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req->handle = NULL; |
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ASSERT(0 == uv_idle_start(&idle_handle, idle_cb)); |
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} |
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TEST_IMPL(udp_send_hang_loop) { |
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ASSERT(0 == uv_idle_init(uv_default_loop(), &idle_handle)); |
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/* 192.0.2.0/8 is "TEST-NET" and reserved for documentation. |
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* Good for us, though. Since we want to have something unreachable. |
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*/ |
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ASSERT(0 == uv_ip4_addr("192.0.2.3", TEST_PORT, &addr)); |
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ASSERT(0 == uv_udp_init(uv_default_loop(), &client)); |
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buf = uv_buf_init(send_data, sizeof(send_data)); |
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ASSERT(0 == uv_idle_start(&idle_handle, idle_cb)); |
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uv_run(uv_default_loop(), UV_RUN_DEFAULT); |
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ASSERT(loop_hang_called > 1000); |
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MAKE_VALGRIND_HAPPY(); |
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return 0; |
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}
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