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301 lines
7.4 KiB
301 lines
7.4 KiB
/* Copyright Joyent, Inc. and other Node 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 int completed_pingers = 0; |
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#if defined(__CYGWIN__) || defined(__MSYS__) || defined(__MVS__) |
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#define NUM_PINGS 100 /* fewer pings to avoid timeout */ |
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#else |
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#define NUM_PINGS 1000 |
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#endif |
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/* 64 bytes is enough for a pinger */ |
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#define BUFSIZE 10240 |
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static char PING[] = "PING\n"; |
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static int pinger_on_connect_count; |
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typedef struct { |
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int vectored_writes; |
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int pongs; |
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int state; |
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union { |
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uv_tcp_t tcp; |
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uv_pipe_t pipe; |
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} stream; |
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uv_connect_t connect_req; |
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char read_buffer[BUFSIZE]; |
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} pinger_t; |
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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 pinger_on_close(uv_handle_t* handle) { |
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pinger_t* pinger = (pinger_t*)handle->data; |
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ASSERT(NUM_PINGS == pinger->pongs); |
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free(pinger); |
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completed_pingers++; |
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} |
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static void pinger_after_write(uv_write_t *req, int status) { |
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ASSERT(status == 0); |
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free(req); |
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} |
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static void pinger_write_ping(pinger_t* pinger) { |
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uv_write_t *req; |
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uv_buf_t bufs[sizeof PING - 1]; |
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int i, nbufs; |
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if (!pinger->vectored_writes) { |
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/* Write a single buffer. */ |
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nbufs = 1; |
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bufs[0] = uv_buf_init(PING, sizeof PING - 1); |
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} else { |
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/* Write multiple buffers, each with one byte in them. */ |
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nbufs = sizeof PING - 1; |
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for (i = 0; i < nbufs; i++) { |
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bufs[i] = uv_buf_init(&PING[i], 1); |
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} |
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} |
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req = malloc(sizeof(*req)); |
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if (uv_write(req, |
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(uv_stream_t*) &pinger->stream.tcp, |
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bufs, |
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nbufs, |
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pinger_after_write)) { |
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FATAL("uv_write failed"); |
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} |
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puts("PING"); |
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} |
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static void pinger_read_cb(uv_stream_t* stream, |
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ssize_t nread, |
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const uv_buf_t* buf) { |
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ssize_t i; |
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pinger_t* pinger; |
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pinger = (pinger_t*)stream->data; |
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if (nread < 0) { |
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ASSERT(nread == UV_EOF); |
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puts("got EOF"); |
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free(buf->base); |
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uv_close((uv_handle_t*)(&pinger->stream.tcp), pinger_on_close); |
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return; |
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} |
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/* Now we count the pings */ |
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for (i = 0; i < nread; i++) { |
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ASSERT(buf->base[i] == PING[pinger->state]); |
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pinger->state = (pinger->state + 1) % (sizeof(PING) - 1); |
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if (pinger->state != 0) |
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continue; |
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printf("PONG %d\n", pinger->pongs); |
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pinger->pongs++; |
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if (pinger->pongs < NUM_PINGS) { |
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pinger_write_ping(pinger); |
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} else { |
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uv_close((uv_handle_t*)(&pinger->stream.tcp), pinger_on_close); |
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break; |
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} |
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} |
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free(buf->base); |
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} |
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static void pinger_on_connect(uv_connect_t *req, int status) { |
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pinger_t *pinger = (pinger_t*)req->handle->data; |
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pinger_on_connect_count++; |
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ASSERT(status == 0); |
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ASSERT(1 == uv_is_readable(req->handle)); |
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ASSERT(1 == uv_is_writable(req->handle)); |
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ASSERT(0 == uv_is_closing((uv_handle_t *) req->handle)); |
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pinger_write_ping(pinger); |
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uv_read_start((uv_stream_t*)(req->handle), alloc_cb, pinger_read_cb); |
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} |
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/* same ping-pong test, but using IPv6 connection */ |
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static void tcp_pinger_v6_new(int vectored_writes) { |
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int r; |
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struct sockaddr_in6 server_addr; |
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pinger_t *pinger; |
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ASSERT(0 ==uv_ip6_addr("::1", TEST_PORT, &server_addr)); |
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pinger = malloc(sizeof(*pinger)); |
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ASSERT(pinger != NULL); |
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pinger->vectored_writes = vectored_writes; |
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pinger->state = 0; |
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pinger->pongs = 0; |
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/* Try to connect to the server and do NUM_PINGS ping-pongs. */ |
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r = uv_tcp_init(uv_default_loop(), &pinger->stream.tcp); |
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pinger->stream.tcp.data = pinger; |
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ASSERT(!r); |
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/* We are never doing multiple reads/connects at a time anyway, so these |
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* handles can be pre-initialized. */ |
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r = uv_tcp_connect(&pinger->connect_req, |
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&pinger->stream.tcp, |
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(const struct sockaddr*) &server_addr, |
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pinger_on_connect); |
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ASSERT(!r); |
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/* Synchronous connect callbacks are not allowed. */ |
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ASSERT(pinger_on_connect_count == 0); |
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} |
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static void tcp_pinger_new(int vectored_writes) { |
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int r; |
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struct sockaddr_in server_addr; |
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pinger_t *pinger; |
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ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr)); |
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pinger = malloc(sizeof(*pinger)); |
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ASSERT(pinger != NULL); |
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pinger->vectored_writes = vectored_writes; |
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pinger->state = 0; |
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pinger->pongs = 0; |
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/* Try to connect to the server and do NUM_PINGS ping-pongs. */ |
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r = uv_tcp_init(uv_default_loop(), &pinger->stream.tcp); |
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pinger->stream.tcp.data = pinger; |
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ASSERT(!r); |
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/* We are never doing multiple reads/connects at a time anyway, so these |
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* handles can be pre-initialized. */ |
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r = uv_tcp_connect(&pinger->connect_req, |
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&pinger->stream.tcp, |
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(const struct sockaddr*) &server_addr, |
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pinger_on_connect); |
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ASSERT(!r); |
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/* Synchronous connect callbacks are not allowed. */ |
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ASSERT(pinger_on_connect_count == 0); |
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} |
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static void pipe_pinger_new(int vectored_writes) { |
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int r; |
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pinger_t *pinger; |
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pinger = (pinger_t*)malloc(sizeof(*pinger)); |
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ASSERT(pinger != NULL); |
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pinger->vectored_writes = vectored_writes; |
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pinger->state = 0; |
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pinger->pongs = 0; |
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/* Try to connect to the server and do NUM_PINGS ping-pongs. */ |
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r = uv_pipe_init(uv_default_loop(), &pinger->stream.pipe, 0); |
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pinger->stream.pipe.data = pinger; |
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ASSERT(!r); |
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/* We are never doing multiple reads/connects at a time anyway, so these |
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* handles can be pre-initialized. */ |
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uv_pipe_connect(&pinger->connect_req, &pinger->stream.pipe, TEST_PIPENAME, |
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pinger_on_connect); |
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/* Synchronous connect callbacks are not allowed. */ |
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ASSERT(pinger_on_connect_count == 0); |
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} |
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static int run_ping_pong_test(void) { |
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uv_run(uv_default_loop(), UV_RUN_DEFAULT); |
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ASSERT(completed_pingers == 1); |
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MAKE_VALGRIND_HAPPY(); |
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return 0; |
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} |
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TEST_IMPL(tcp_ping_pong) { |
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tcp_pinger_new(0); |
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return run_ping_pong_test(); |
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} |
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TEST_IMPL(tcp_ping_pong_vec) { |
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tcp_pinger_new(1); |
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return run_ping_pong_test(); |
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} |
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TEST_IMPL(tcp6_ping_pong) { |
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if (!can_ipv6()) |
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RETURN_SKIP("IPv6 not supported"); |
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tcp_pinger_v6_new(0); |
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return run_ping_pong_test(); |
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} |
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TEST_IMPL(tcp6_ping_pong_vec) { |
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if (!can_ipv6()) |
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RETURN_SKIP("IPv6 not supported"); |
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tcp_pinger_v6_new(1); |
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return run_ping_pong_test(); |
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} |
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TEST_IMPL(pipe_ping_pong) { |
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pipe_pinger_new(0); |
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return run_ping_pong_test(); |
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} |
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TEST_IMPL(pipe_ping_pong_vec) { |
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pipe_pinger_new(1); |
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return run_ping_pong_test(); |
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}
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