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      1 /* Copyright libuv project and contributors. All rights reserved.
      2  *
      3  * Permission is hereby granted, free of charge, to any person obtaining a copy
      4  * of this software and associated documentation files (the "Software"), to
      5  * deal in the Software without restriction, including without limitation the
      6  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
      7  * sell copies of the Software, and to permit persons to whom the Software is
      8  * furnished to do so, subject to the following conditions:
      9  *
     10  * The above copyright notice and this permission notice shall be included in
     11  * all copies or substantial portions of the Software.
     12  *
     13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     18  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     19  * IN THE SOFTWARE.
     20  */
     21 
     22 #include "uv.h"
     23 #include "task.h"
     24 
     25 #include <stdio.h>
     26 #include <stdlib.h>
     27 
     28 #define DATAGRAMS 6
     29 
     30 static uv_udp_t client;
     31 static uv_udp_send_t req[DATAGRAMS];
     32 
     33 static int send_cb_called;
     34 static int close_cb_called;
     35 
     36 
     37 static void close_cb(uv_handle_t* handle) {
     38   ASSERT_PTR_EQ(handle, &client);
     39   ASSERT(uv_is_closing(handle));
     40   close_cb_called++;
     41 }
     42 
     43 
     44 static void send_cb(uv_udp_send_t* req, int status) {
     45   if (status != 0)
     46     ASSERT_EQ(status, UV_ECONNREFUSED);
     47 
     48   if (++send_cb_called == DATAGRAMS)
     49     uv_close((uv_handle_t*)&client, close_cb);
     50 }
     51 
     52 
     53 TEST_IMPL(udp_sendmmsg_error) {
     54   struct sockaddr_in addr;
     55   uv_buf_t buf;
     56   int i;
     57 
     58   ASSERT_OK(uv_udp_init(uv_default_loop(), &client));
     59   ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
     60   ASSERT_OK(uv_udp_connect(&client, (const struct sockaddr*)&addr));
     61 
     62   buf = uv_buf_init("TEST", 4);
     63   for (i = 0; i < DATAGRAMS; ++i)
     64     ASSERT_OK(uv_udp_send(&req[i], &client, &buf, 1, NULL, send_cb));
     65 
     66   uv_run(uv_default_loop(), UV_RUN_DEFAULT);
     67 
     68   ASSERT_EQ(1, close_cb_called);
     69   ASSERT_EQ(DATAGRAMS, send_cb_called);
     70 
     71   ASSERT_OK(client.send_queue_size);
     72 
     73   MAKE_VALGRIND_HAPPY(uv_default_loop());
     74   return 0;
     75 }
     76