/* 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 /* strlen */ static int completed_pingers = 0; #if defined(__CYGWIN__) || defined(__MSYS__) || defined(__MVS__) #define NUM_PINGS 100 /* fewer pings to avoid timeout */ #else #define NUM_PINGS 1000 #endif static char PING[] = "PING\n"; static char PONG[] = "PONG\n"; static int pinger_on_connect_count; typedef struct { int vectored_writes; unsigned pongs; unsigned state; union { uv_tcp_t tcp; uv_pipe_t pipe; } stream; uv_connect_t connect_req; char* pong; } pinger_t; static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) { buf->base = malloc(size); buf->len = size; } static void ponger_on_close(uv_handle_t* handle) { if (handle->data) free(handle->data); else free(handle); } static void pinger_on_close(uv_handle_t* handle) { pinger_t* pinger = (pinger_t*) handle->data; ASSERT_EQ(NUM_PINGS, pinger->pongs); if (handle == (uv_handle_t*) &pinger->stream.tcp) { free(pinger); /* also frees handle */ } else { uv_close((uv_handle_t*) &pinger->stream.tcp, ponger_on_close); free(handle); } completed_pingers++; } static void pinger_after_write(uv_write_t* req, int status) { ASSERT_EQ(status, 0); free(req->data); free(req); } static void pinger_write_ping(pinger_t* pinger) { uv_stream_t* stream; uv_write_t* req; uv_buf_t bufs[sizeof PING - 1]; int i, nbufs; stream = (uv_stream_t*) &pinger->stream.tcp; if (!pinger->vectored_writes) { /* Write a single buffer. */ nbufs = 1; bufs[0] = uv_buf_init(PING, sizeof PING - 1); } else { /* Write multiple buffers, each with one byte in them. */ nbufs = sizeof PING - 1; for (i = 0; i < nbufs; i++) { bufs[i] = uv_buf_init(&PING[i], 1); } } req = malloc(sizeof(*req)); ASSERT_NOT_NULL(req); req->data = NULL; ASSERT_EQ(0, uv_write(req, stream, bufs, nbufs, pinger_after_write)); puts("PING"); } static void pinger_read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) { ssize_t i; pinger_t* pinger; pinger = (pinger_t*) stream->data; if (nread < 0) { ASSERT_EQ(nread, UV_EOF); puts("got EOF"); free(buf->base); uv_close((uv_handle_t*) stream, pinger_on_close); return; } /* Now we count the pongs */ for (i = 0; i < nread; i++) { ASSERT_EQ(buf->base[i], pinger->pong[pinger->state]); pinger->state = (pinger->state + 1) % strlen(pinger->pong); 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*) stream, pinger_on_close); break; } } free(buf->base); } static void ponger_read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) { uv_buf_t writebuf; uv_write_t* req; int i; if (nread < 0) { ASSERT_EQ(nread, UV_EOF); puts("got EOF"); free(buf->base); uv_close((uv_handle_t*) stream, ponger_on_close); return; } /* Echo back */ for (i = 0; i < nread; i++) { if (buf->base[i] == 'I') buf->base[i] = 'O'; } writebuf = uv_buf_init(buf->base, nread); req = malloc(sizeof(*req)); ASSERT_NOT_NULL(req); req->data = buf->base; ASSERT_EQ(0, uv_write(req, stream, &writebuf, 1, pinger_after_write)); } static void pinger_on_connect(uv_connect_t* req, int status) { pinger_t* pinger = (pinger_t*) req->handle->data; pinger_on_connect_count++; ASSERT_EQ(status, 0); ASSERT_EQ(1, uv_is_readable(req->handle)); ASSERT_EQ(1, uv_is_writable(req->handle)); ASSERT_EQ(0, uv_is_closing((uv_handle_t *) req->handle)); pinger_write_ping(pinger); ASSERT_EQ(0, 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(int vectored_writes) { int r; struct sockaddr_in6 server_addr; pinger_t* pinger; ASSERT_EQ(0, uv_ip6_addr("::1", TEST_PORT, &server_addr)); pinger = malloc(sizeof(*pinger)); ASSERT_NOT_NULL(pinger); pinger->vectored_writes = vectored_writes; pinger->state = 0; pinger->pongs = 0; pinger->pong = PING; /* 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_EQ(0, 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, (const struct sockaddr*) &server_addr, pinger_on_connect); ASSERT_EQ(0, r); /* Synchronous connect callbacks are not allowed. */ ASSERT_EQ(pinger_on_connect_count, 0); } static void tcp_pinger_new(int vectored_writes) { int r; struct sockaddr_in server_addr; pinger_t* pinger; ASSERT_EQ(0, uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr)); pinger = malloc(sizeof(*pinger)); ASSERT_NOT_NULL(pinger); pinger->vectored_writes = vectored_writes; pinger->state = 0; pinger->pongs = 0; pinger->pong = PING; /* 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_EQ(0, 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, (const struct sockaddr*) &server_addr, pinger_on_connect); ASSERT_EQ(0, r); /* Synchronous connect callbacks are not allowed. */ ASSERT_EQ(pinger_on_connect_count, 0); } static void pipe_pinger_new(int vectored_writes) { int r; pinger_t* pinger; pinger = malloc(sizeof(*pinger)); ASSERT_NOT_NULL(pinger); pinger->vectored_writes = vectored_writes; pinger->state = 0; pinger->pongs = 0; pinger->pong = PING; /* 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_EQ(0, 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_EQ(pinger_on_connect_count, 0); } static void socketpair_pinger_new(int vectored_writes) { pinger_t* pinger; uv_os_sock_t fds[2]; uv_tcp_t* ponger; pinger = malloc(sizeof(*pinger)); ASSERT_NOT_NULL(pinger); pinger->vectored_writes = vectored_writes; pinger->state = 0; pinger->pongs = 0; pinger->pong = PONG; /* Try to make a socketpair and do NUM_PINGS ping-pongs. */ (void)uv_default_loop(); /* ensure WSAStartup has been performed */ ASSERT_EQ(0, uv_socketpair(SOCK_STREAM, 0, fds, UV_NONBLOCK_PIPE, UV_NONBLOCK_PIPE)); #ifndef _WIN32 /* On Windows, this is actually a UV_TCP, but libuv doesn't detect that. */ ASSERT_EQ(uv_guess_handle((uv_file) fds[0]), UV_NAMED_PIPE); ASSERT_EQ(uv_guess_handle((uv_file) fds[1]), UV_NAMED_PIPE); #endif ASSERT_EQ(0, uv_tcp_init(uv_default_loop(), &pinger->stream.tcp)); pinger->stream.pipe.data = pinger; ASSERT_EQ(0, uv_tcp_open(&pinger->stream.tcp, fds[1])); ponger = malloc(sizeof(*ponger)); ASSERT_NOT_NULL(ponger); ponger->data = NULL; ASSERT_EQ(0, uv_tcp_init(uv_default_loop(), ponger)); ASSERT_EQ(0, uv_tcp_open(ponger, fds[0])); pinger_write_ping(pinger); ASSERT_EQ(0, uv_read_start((uv_stream_t*) &pinger->stream.tcp, alloc_cb, pinger_read_cb)); ASSERT_EQ(0, uv_read_start((uv_stream_t*) ponger, alloc_cb, ponger_read_cb)); } static void pipe2_pinger_new(int vectored_writes) { uv_file fds[2]; pinger_t* pinger; uv_pipe_t* ponger; /* Try to make a pipe and do NUM_PINGS pings. */ ASSERT_EQ(0, uv_pipe(fds, UV_NONBLOCK_PIPE, UV_NONBLOCK_PIPE)); ASSERT_EQ(uv_guess_handle(fds[0]), UV_NAMED_PIPE); ASSERT_EQ(uv_guess_handle(fds[1]), UV_NAMED_PIPE); ponger = malloc(sizeof(*ponger)); ASSERT_NOT_NULL(ponger); ASSERT_EQ(0, uv_pipe_init(uv_default_loop(), ponger, 0)); ASSERT_EQ(0, uv_pipe_open(ponger, fds[0])); pinger = malloc(sizeof(*pinger)); ASSERT_NOT_NULL(pinger); pinger->vectored_writes = vectored_writes; pinger->state = 0; pinger->pongs = 0; pinger->pong = PING; ASSERT_EQ(0, uv_pipe_init(uv_default_loop(), &pinger->stream.pipe, 0)); ASSERT_EQ(0, uv_pipe_open(&pinger->stream.pipe, fds[1])); pinger->stream.pipe.data = pinger; /* record for close_cb */ ponger->data = pinger; /* record for read_cb */ pinger_write_ping(pinger); ASSERT_EQ(0, uv_read_start((uv_stream_t*) ponger, alloc_cb, pinger_read_cb)); } static int run_ping_pong_test(void) { uv_run(uv_default_loop(), UV_RUN_DEFAULT); ASSERT_EQ(completed_pingers, 1); MAKE_VALGRIND_HAPPY(); return 0; } TEST_IMPL(tcp_ping_pong) { tcp_pinger_new(0); run_ping_pong_test(); completed_pingers = 0; socketpair_pinger_new(0); return run_ping_pong_test(); } TEST_IMPL(tcp_ping_pong_vec) { tcp_pinger_new(1); run_ping_pong_test(); completed_pingers = 0; socketpair_pinger_new(1); return run_ping_pong_test(); } TEST_IMPL(tcp6_ping_pong) { if (!can_ipv6()) RETURN_SKIP("IPv6 not supported"); tcp_pinger_v6_new(0); return run_ping_pong_test(); } TEST_IMPL(tcp6_ping_pong_vec) { if (!can_ipv6()) RETURN_SKIP("IPv6 not supported"); tcp_pinger_v6_new(1); return run_ping_pong_test(); } TEST_IMPL(pipe_ping_pong) { pipe_pinger_new(0); run_ping_pong_test(); completed_pingers = 0; pipe2_pinger_new(0); return run_ping_pong_test(); } TEST_IMPL(pipe_ping_pong_vec) { pipe_pinger_new(1); run_ping_pong_test(); completed_pingers = 0; pipe2_pinger_new(1); return run_ping_pong_test(); }