/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "uv.h" #include "task.h" #include #include static uv_timer_t timer; static uv_tcp_t tcp; static uv_connect_t connect_req; static uv_write_t write_req; static uv_shutdown_t shutdown_req; static uv_buf_t qbuf; static int got_q; static int got_eof; static int called_connect_cb; static int called_shutdown_cb; static int called_tcp_close_cb; static int called_timer_close_cb; static int called_timer_cb; static uv_buf_t alloc_cb(uv_handle_t* handle, size_t size) { uv_buf_t buf; buf.base = (char*)malloc(size); buf.len = size; return buf; } static void read_cb(uv_stream_t* t, ssize_t nread, uv_buf_t buf) { ASSERT((uv_tcp_t*)t == &tcp); if (nread == 0) { free(buf.base); return; } if (!got_q) { ASSERT(nread == 1); ASSERT(!got_eof); ASSERT(buf.base[0] == 'Q'); free(buf.base); got_q = 1; puts("got Q"); } else { ASSERT(nread == UV_EOF); if (buf.base) { free(buf.base); } got_eof = 1; puts("got EOF"); } } static void shutdown_cb(uv_shutdown_t *req, int status) { ASSERT(req == &shutdown_req); ASSERT(called_connect_cb == 1); ASSERT(!got_eof); ASSERT(called_tcp_close_cb == 0); ASSERT(called_timer_close_cb == 0); ASSERT(called_timer_cb == 0); called_shutdown_cb++; } static void connect_cb(uv_connect_t *req, int status) { ASSERT(status == 0); ASSERT(req == &connect_req); /* Start reading from our connection so we can receive the EOF. */ uv_read_start((uv_stream_t*)&tcp, alloc_cb, read_cb); /* * Write the letter 'Q' to gracefully kill the echo-server. This will not * effect our connection. */ uv_write(&write_req, (uv_stream_t*) &tcp, &qbuf, 1, NULL); /* Shutdown our end of the connection. */ uv_shutdown(&shutdown_req, (uv_stream_t*) &tcp, shutdown_cb); called_connect_cb++; ASSERT(called_shutdown_cb == 0); } static void tcp_close_cb(uv_handle_t* handle) { ASSERT(handle == (uv_handle_t*) &tcp); ASSERT(called_connect_cb == 1); ASSERT(got_q); ASSERT(got_eof); ASSERT(called_timer_cb == 1); called_tcp_close_cb++; } static void timer_close_cb(uv_handle_t* handle) { ASSERT(handle == (uv_handle_t*) &timer); called_timer_close_cb++; } static void timer_cb(uv_timer_t* handle, int status) { ASSERT(handle == &timer); uv_close((uv_handle_t*) handle, timer_close_cb); /* * The most important assert of the test: we have not received * tcp_close_cb yet. */ ASSERT(called_tcp_close_cb == 0); uv_close((uv_handle_t*) &tcp, tcp_close_cb); called_timer_cb++; } /* * This test has a client which connects to the echo_server and immediately * issues a shutdown. The echo-server, in response, will also shutdown their * connection. We check, with a timer, that libuv is not automatically * calling uv_close when the client receives the EOF from echo-server. */ TEST_IMPL(shutdown_eof) { struct sockaddr_in server_addr; int r; qbuf.base = "Q"; qbuf.len = 1; r = uv_timer_init(uv_default_loop(), &timer); ASSERT(r == 0); uv_timer_start(&timer, timer_cb, 100, 0); server_addr = uv_ip4_addr("127.0.0.1", TEST_PORT); r = uv_tcp_init(uv_default_loop(), &tcp); ASSERT(!r); r = uv_tcp_connect(&connect_req, &tcp, server_addr, connect_cb); ASSERT(!r); uv_run(uv_default_loop(), UV_RUN_DEFAULT); ASSERT(called_connect_cb == 1); ASSERT(called_shutdown_cb == 1); ASSERT(got_eof); ASSERT(got_q); ASSERT(called_tcp_close_cb == 1); ASSERT(called_timer_close_cb == 1); ASSERT(called_timer_cb == 1); MAKE_VALGRIND_HAPPY(); return 0; }