/* 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 #include #define MAX_BYTES 1024 * 1024 static uv_tcp_t server; static uv_tcp_t client; static uv_tcp_t incoming; static int connect_cb_called; static int close_cb_called; static int connection_cb_called; static int bytes_read; static int bytes_written; static void close_cb(uv_handle_t* handle) { close_cb_called++; } static void connect_cb(uv_connect_t* req, int status) { int r; uv_buf_t buf; ASSERT(status == 0); connect_cb_called++; do { buf = uv_buf_init("PING", 4); r = uv_try_write((uv_stream_t*) &client, &buf, 1); ASSERT(r > 0 || r == UV_EAGAIN); if (r > 0) { bytes_written += r; break; } } while (1); do { buf = uv_buf_init("", 0); r = uv_try_write((uv_stream_t*) &client, &buf, 1); } while (r != 0); uv_close((uv_handle_t*) &client, close_cb); } static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) { static char base[1024]; buf->base = base; buf->len = sizeof(base); } static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) { if (nread < 0) { uv_close((uv_handle_t*) tcp, close_cb); uv_close((uv_handle_t*) &server, close_cb); return; } bytes_read += nread; } static void connection_cb(uv_stream_t* tcp, int status) { ASSERT(status == 0); ASSERT(0 == uv_tcp_init(tcp->loop, &incoming)); ASSERT(0 == uv_accept(tcp, (uv_stream_t*) &incoming)); connection_cb_called++; ASSERT(0 == uv_read_start((uv_stream_t*) &incoming, alloc_cb, read_cb)); } static void start_server(void) { struct sockaddr_in addr; ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr)); ASSERT(0 == uv_tcp_init(uv_default_loop(), &server)); ASSERT(0 == uv_tcp_bind(&server, (struct sockaddr*) &addr, 0)); ASSERT(0 == uv_listen((uv_stream_t*) &server, 128, connection_cb)); } TEST_IMPL(tcp_try_write) { uv_connect_t connect_req; struct sockaddr_in addr; start_server(); ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); ASSERT(0 == uv_tcp_init(uv_default_loop(), &client)); ASSERT(0 == uv_tcp_connect(&connect_req, &client, (struct sockaddr*) &addr, connect_cb)); ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT)); ASSERT(connect_cb_called == 1); ASSERT(close_cb_called == 3); ASSERT(connection_cb_called == 1); ASSERT(bytes_read == bytes_written); ASSERT(bytes_written > 0); MAKE_VALGRIND_HAPPY(uv_default_loop()); return 0; }