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author ImJezze <jezze@gmx.net>2016-02-21 11:48:45 +0100
committer ImJezze <jezze@gmx.net>2016-02-21 11:48:45 +0100
commitcc24a339d8c0517259084b5c178d784626ba965c (patch)
tree9868e9687b5802ae0a3733712a3bbeb3bc75c953 /3rdparty/libuv/test/benchmark-ping-pongs.c
parentb5daabda5495dea5c50e17961ecfed2ea8619d76 (diff)
Merge remote-tracking branch 'refs/remotes/mamedev/master'
Second attempt
Diffstat (limited to '3rdparty/libuv/test/benchmark-ping-pongs.c')
-rw-r--r--3rdparty/libuv/test/benchmark-ping-pongs.c221
1 files changed, 221 insertions, 0 deletions
diff --git a/3rdparty/libuv/test/benchmark-ping-pongs.c b/3rdparty/libuv/test/benchmark-ping-pongs.c
new file mode 100644
index 00000000000..646a7df9447
--- /dev/null
+++ b/3rdparty/libuv/test/benchmark-ping-pongs.c
@@ -0,0 +1,221 @@
+/* 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>
+
+/* Run the benchmark for this many ms */
+#define TIME 5000
+
+
+typedef struct {
+ int pongs;
+ int state;
+ uv_tcp_t tcp;
+ uv_connect_t connect_req;
+ uv_shutdown_t shutdown_req;
+} pinger_t;
+
+typedef struct buf_s {
+ uv_buf_t uv_buf_t;
+ struct buf_s* next;
+} buf_t;
+
+
+static char PING[] = "PING\n";
+
+static uv_loop_t* loop;
+
+static buf_t* buf_freelist = NULL;
+static int pinger_shutdown_cb_called;
+static int completed_pingers = 0;
+static int64_t start_time;
+
+
+static void buf_alloc(uv_handle_t* tcp, size_t size, uv_buf_t* buf) {
+ buf_t* ab;
+
+ ab = buf_freelist;
+ if (ab != NULL)
+ buf_freelist = ab->next;
+ else {
+ ab = malloc(size + sizeof(*ab));
+ ab->uv_buf_t.len = size;
+ ab->uv_buf_t.base = (char*) (ab + 1);
+ }
+
+ *buf = ab->uv_buf_t;
+}
+
+
+static void buf_free(const uv_buf_t* buf) {
+ buf_t* ab = (buf_t*) buf->base - 1;
+ ab->next = buf_freelist;
+ buf_freelist = ab;
+}
+
+
+static void pinger_close_cb(uv_handle_t* handle) {
+ pinger_t* pinger;
+
+ pinger = (pinger_t*)handle->data;
+ fprintf(stderr, "ping_pongs: %d roundtrips/s\n", (1000 * pinger->pongs) / TIME);
+ fflush(stderr);
+
+ free(pinger);
+
+ completed_pingers++;
+}
+
+
+static void pinger_write_cb(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->tcp, &buf, 1, pinger_write_cb)) {
+ FATAL("uv_write failed");
+ }
+}
+
+
+static void pinger_shutdown_cb(uv_shutdown_t* req, int status) {
+ ASSERT(status == 0);
+ pinger_shutdown_cb_called++;
+
+ /*
+ * The close callback has not been triggered yet. We must wait for EOF
+ * until we close the connection.
+ */
+ ASSERT(completed_pingers == 0);
+}
+
+
+static void pinger_read_cb(uv_stream_t* tcp,
+ ssize_t nread,
+ const uv_buf_t* buf) {
+ ssize_t i;
+ pinger_t* pinger;
+
+ pinger = (pinger_t*)tcp->data;
+
+ if (nread < 0) {
+ ASSERT(nread == UV_EOF);
+
+ if (buf->base) {
+ buf_free(buf);
+ }
+
+ ASSERT(pinger_shutdown_cb_called == 1);
+ uv_close((uv_handle_t*)tcp, pinger_close_cb);
+
+ 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) {
+ pinger->pongs++;
+ if (uv_now(loop) - start_time > TIME) {
+ uv_shutdown(&pinger->shutdown_req,
+ (uv_stream_t*) tcp,
+ pinger_shutdown_cb);
+ break;
+ } else {
+ pinger_write_ping(pinger);
+ }
+ }
+ }
+
+ buf_free(buf);
+}
+
+
+static void pinger_connect_cb(uv_connect_t* req, int status) {
+ pinger_t *pinger = (pinger_t*)req->handle->data;
+
+ ASSERT(status == 0);
+
+ pinger_write_ping(pinger);
+
+ if (uv_read_start(req->handle, buf_alloc, pinger_read_cb)) {
+ FATAL("uv_read_start failed");
+ }
+}
+
+
+static void pinger_new(void) {
+ struct sockaddr_in client_addr;
+ struct sockaddr_in server_addr;
+ pinger_t *pinger;
+ int r;
+
+ ASSERT(0 == uv_ip4_addr("0.0.0.0", 0, &client_addr));
+ ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr));
+ pinger = 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(loop, &pinger->tcp);
+ ASSERT(!r);
+
+ pinger->tcp.data = pinger;
+
+ ASSERT(0 == uv_tcp_bind(&pinger->tcp,
+ (const struct sockaddr*) &client_addr,
+ 0));
+
+ r = uv_tcp_connect(&pinger->connect_req,
+ &pinger->tcp,
+ (const struct sockaddr*) &server_addr,
+ pinger_connect_cb);
+ ASSERT(!r);
+}
+
+
+BENCHMARK_IMPL(ping_pongs) {
+ loop = uv_default_loop();
+
+ start_time = uv_now(loop);
+
+ pinger_new();
+ uv_run(loop, UV_RUN_DEFAULT);
+
+ ASSERT(completed_pingers == 1);
+
+ MAKE_VALGRIND_HAPPY();
+ return 0;
+}