| /* 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 <stdlib.h> |
| #include <stdio.h> |
| |
| static int completed_pingers = 0; |
| |
| #define NUM_PINGS 1000 |
| |
| /* 64 bytes is enough for a pinger */ |
| #define BUFSIZE 10240 |
| |
| static char PING[] = "PING\n"; |
| static int pinger_on_connect_count; |
| |
| |
| typedef struct { |
| int pongs; |
| int state; |
| union { |
| uv_tcp_t tcp; |
| uv_pipe_t pipe; |
| } stream; |
| uv_connect_t connect_req; |
| char read_buffer[BUFSIZE]; |
| } pinger_t; |
| |
| |
| static uv_buf_t alloc_cb(uv_handle_t* handle, size_t size) { |
| return uv_buf_init(malloc(size), size); |
| } |
| |
| |
| static void pinger_on_close(uv_handle_t* handle) { |
| pinger_t* pinger = (pinger_t*)handle->data; |
| |
| ASSERT(NUM_PINGS == pinger->pongs); |
| |
| free(pinger); |
| |
| completed_pingers++; |
| } |
| |
| |
| static void pinger_after_write(uv_write_t *req, int status) { |
| ASSERT(status == 0); |
| free(req); |
| } |
| |
| |
| static void pinger_write_ping(pinger_t* pinger) { |
| uv_write_t *req; |
| uv_buf_t buf; |
| |
| buf = uv_buf_init(PING, sizeof(PING) - 1); |
| |
| req = malloc(sizeof(*req)); |
| if (uv_write(req, (uv_stream_t*)&pinger->stream.tcp, &buf, 1, pinger_after_write)) { |
| FATAL("uv_write failed"); |
| } |
| |
| puts("PING"); |
| } |
| |
| |
| static void pinger_read_cb(uv_stream_t* stream, ssize_t nread, uv_buf_t buf) { |
| ssize_t i; |
| pinger_t* pinger; |
| |
| pinger = (pinger_t*)stream->data; |
| |
| if (nread < 0) { |
| ASSERT(uv_last_error(uv_default_loop()).code == UV_EOF); |
| |
| puts("got EOF"); |
| free(buf.base); |
| |
| uv_close((uv_handle_t*)(&pinger->stream.tcp), pinger_on_close); |
| |
| return; |
| } |
| |
| /* Now we count the pings */ |
| for (i = 0; i < nread; i++) { |
| ASSERT(buf.base[i] == PING[pinger->state]); |
| pinger->state = (pinger->state + 1) % (sizeof(PING) - 1); |
| |
| if (pinger->state != 0) |
| continue; |
| |
| printf("PONG %d\n", pinger->pongs); |
| pinger->pongs++; |
| |
| if (pinger->pongs < NUM_PINGS) { |
| pinger_write_ping(pinger); |
| } else { |
| uv_close((uv_handle_t*)(&pinger->stream.tcp), pinger_on_close); |
| break; |
| } |
| } |
| |
| free(buf.base); |
| } |
| |
| |
| static void pinger_on_connect(uv_connect_t *req, int status) { |
| pinger_t *pinger = (pinger_t*)req->handle->data; |
| |
| pinger_on_connect_count++; |
| |
| ASSERT(status == 0); |
| |
| ASSERT(uv_is_readable(req->handle)); |
| ASSERT(uv_is_writable(req->handle)); |
| ASSERT(!uv_is_closing((uv_handle_t *)req->handle)); |
| |
| pinger_write_ping(pinger); |
| |
| uv_read_start((uv_stream_t*)(req->handle), alloc_cb, pinger_read_cb); |
| } |
| |
| |
| /* same ping-pong test, but using IPv6 connection */ |
| static void tcp_pinger_v6_new(void) { |
| int r; |
| struct sockaddr_in6 server_addr = uv_ip6_addr("::1", TEST_PORT); |
| pinger_t *pinger; |
| |
| pinger = (pinger_t*)malloc(sizeof(*pinger)); |
| pinger->state = 0; |
| pinger->pongs = 0; |
| |
| /* Try to connect to the server and do NUM_PINGS ping-pongs. */ |
| r = uv_tcp_init(uv_default_loop(), &pinger->stream.tcp); |
| pinger->stream.tcp.data = pinger; |
| ASSERT(!r); |
| |
| /* We are never doing multiple reads/connects at a time anyway. */ |
| /* so these handles can be pre-initialized. */ |
| r = uv_tcp_connect6(&pinger->connect_req, &pinger->stream.tcp, server_addr, |
| pinger_on_connect); |
| ASSERT(!r); |
| |
| /* Synchronous connect callbacks are not allowed. */ |
| ASSERT(pinger_on_connect_count == 0); |
| } |
| |
| |
| static void tcp_pinger_new(void) { |
| int r; |
| struct sockaddr_in server_addr = uv_ip4_addr("127.0.0.1", TEST_PORT); |
| pinger_t *pinger; |
| |
| pinger = (pinger_t*)malloc(sizeof(*pinger)); |
| pinger->state = 0; |
| pinger->pongs = 0; |
| |
| /* Try to connect to the server and do NUM_PINGS ping-pongs. */ |
| r = uv_tcp_init(uv_default_loop(), &pinger->stream.tcp); |
| pinger->stream.tcp.data = pinger; |
| ASSERT(!r); |
| |
| /* We are never doing multiple reads/connects at a time anyway. */ |
| /* so these handles can be pre-initialized. */ |
| r = uv_tcp_connect(&pinger->connect_req, &pinger->stream.tcp, server_addr, |
| pinger_on_connect); |
| ASSERT(!r); |
| |
| /* Synchronous connect callbacks are not allowed. */ |
| ASSERT(pinger_on_connect_count == 0); |
| } |
| |
| |
| static void pipe_pinger_new(void) { |
| int r; |
| pinger_t *pinger; |
| |
| pinger = (pinger_t*)malloc(sizeof(*pinger)); |
| pinger->state = 0; |
| pinger->pongs = 0; |
| |
| /* Try to connect to the server and do NUM_PINGS ping-pongs. */ |
| r = uv_pipe_init(uv_default_loop(), &pinger->stream.pipe, 0); |
| pinger->stream.pipe.data = pinger; |
| ASSERT(!r); |
| |
| /* We are never doing multiple reads/connects at a time anyway. */ |
| /* so these handles can be pre-initialized. */ |
| |
| uv_pipe_connect(&pinger->connect_req, &pinger->stream.pipe, TEST_PIPENAME, |
| pinger_on_connect); |
| |
| /* Synchronous connect callbacks are not allowed. */ |
| ASSERT(pinger_on_connect_count == 0); |
| } |
| |
| |
| TEST_IMPL(tcp_ping_pong) { |
| tcp_pinger_new(); |
| uv_run(uv_default_loop(), UV_RUN_DEFAULT); |
| |
| ASSERT(completed_pingers == 1); |
| |
| MAKE_VALGRIND_HAPPY(); |
| return 0; |
| } |
| |
| |
| TEST_IMPL(tcp_ping_pong_v6) { |
| tcp_pinger_v6_new(); |
| uv_run(uv_default_loop(), UV_RUN_DEFAULT); |
| |
| ASSERT(completed_pingers == 1); |
| |
| MAKE_VALGRIND_HAPPY(); |
| return 0; |
| } |
| |
| |
| TEST_IMPL(pipe_ping_pong) { |
| pipe_pinger_new(); |
| uv_run(uv_default_loop(), UV_RUN_DEFAULT); |
| |
| ASSERT(completed_pingers == 1); |
| |
| MAKE_VALGRIND_HAPPY(); |
| return 0; |
| } |