libuv-svace-build

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/* Copyright 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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static uv_tcp_t tcp;
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static uv_connect_t connect_req;
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static uv_shutdown_t shutdown_req;
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static uv_buf_t qbuf;
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static int got_q;
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static int got_eof;
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static int called_connect_cb;
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static int called_shutdown_cb;
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static int called_tcp_close_cb;
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static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
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  buf->base = malloc(size);
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  buf->len = size;
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}
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static void shutdown_cb(uv_shutdown_t *req, int status) {
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  ASSERT_PTR_EQ(req, &shutdown_req);
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  ASSERT_EQ(1, called_connect_cb);
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  ASSERT_OK(called_tcp_close_cb);
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}
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static void read_cb(uv_stream_t* t, ssize_t nread, const uv_buf_t* buf) {
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  ASSERT_PTR_EQ((uv_tcp_t*)t, &tcp);
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  if (nread == 0) {
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    free(buf->base);
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    return;
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  }
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  if (!got_q) {
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    ASSERT_EQ(4, nread);
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    ASSERT_OK(got_eof);
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    ASSERT_MEM_EQ(buf->base, "QQSS", 4);
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    free(buf->base);
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    got_q = 1;
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    puts("got QQSS");
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    /* Shutdown our end of the connection simultaneously */
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    uv_shutdown(&shutdown_req, (uv_stream_t*) &tcp, shutdown_cb);
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    called_shutdown_cb++;
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  } else {
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    ASSERT_EQ(nread, UV_EOF);
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    if (buf->base) {
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      free(buf->base);
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    }
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    got_eof = 1;
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    puts("got EOF");
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  }
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}
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static void connect_cb(uv_connect_t *req, int status) {
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  ASSERT_OK(status);
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  ASSERT_PTR_EQ(req, &connect_req);
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  /* Start reading from our connection so we can receive the EOF.  */
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  ASSERT_OK(uv_read_start((uv_stream_t*)&tcp, alloc_cb, read_cb));
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  /* Check error handling. */
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  ASSERT_EQ(UV_EALREADY, uv_read_start((uv_stream_t*)&tcp, alloc_cb, read_cb));
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  ASSERT_EQ(UV_EINVAL, uv_read_start(NULL, alloc_cb, read_cb));
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  ASSERT_EQ(UV_EINVAL, uv_read_start((uv_stream_t*)&tcp, NULL, read_cb));
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  ASSERT_EQ(UV_EINVAL, uv_read_start((uv_stream_t*)&tcp, alloc_cb, NULL));
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  /*
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   * Write the letter 'Q' and 'QSS` to gracefully kill the echo-server. This
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   * will not effect our connection.
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   */
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  ASSERT_EQ(qbuf.len, uv_try_write((uv_stream_t*) &tcp, &qbuf, 1));
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  called_connect_cb++;
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  ASSERT_OK(called_shutdown_cb);
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}
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/*
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 * This test has a client which connects to the echo_server and immediately
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 * issues a shutdown. We check that this does not cause libuv to hang.
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 */
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TEST_IMPL(shutdown_simultaneous) {
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  struct sockaddr_in server_addr;
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  int r;
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  qbuf.base = "QQSS";
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  qbuf.len = 4;
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  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr));
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  r = uv_tcp_init(uv_default_loop(), &tcp);
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  ASSERT_OK(r);
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  r = uv_tcp_connect(&connect_req,
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                     &tcp,
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                     (const struct sockaddr*) &server_addr,
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                     connect_cb);
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  ASSERT_OK(r);
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  uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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  ASSERT_EQ(1, called_connect_cb);
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  ASSERT_EQ(1, called_shutdown_cb);
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  ASSERT_EQ(1, got_eof);
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  ASSERT_EQ(1, got_q);
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  MAKE_VALGRIND_HAPPY(uv_default_loop());
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  return 0;
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}
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