Integrate libuv into build system

1 files changed, 207 insertions, 0 deletions

diff --git a/deps/uv/test/benchmark-ping-pongs.c b/deps/uv/test/benchmark-ping-pongs.c
new file mode 100644
index 0000000000..7731c3305d
--- /dev/null
+++ b/deps/uv/test/benchmark-ping-pongs.c
@@ -0,0 +1,207 @@
+/* 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>
+#include <string.h> /* strlen */
+
+/* Run the benchmark for this many ms */
+#define TIME 5000
+
+
+typedef struct {
+  int pongs;
+  int state;
+  uv_handle_t handle;
+  uv_req_t connect_req;
+  uv_req_t shutdown_req;
+} pinger_t;
+
+typedef struct buf_s {
+  uv_buf uv_buf;
+  struct buf_s* next;
+} buf_t;
+
+
+static char PING[] = "PING\n";
+
+static buf_t* buf_freelist = NULL;
+
+static int completed_pingers = 0;
+static int64_t start_time;
+
+
+static uv_buf buf_alloc(uv_handle_t* handle, size_t size) {
+  buf_t* ab;
+
+  ab = buf_freelist;
+
+  if (ab != NULL) {
+    buf_freelist = ab->next;
+    return ab->uv_buf;
+  }
+
+  ab = (buf_t*) malloc(size + sizeof *ab);
+  ab->uv_buf.len = size;
+  ab->uv_buf.base = ((char*) ab) + sizeof *ab;
+
+  return ab->uv_buf;
+}
+
+
+static void buf_free(uv_buf uv_buf) {
+  buf_t* ab = (buf_t*) (uv_buf.base - sizeof *ab);
+
+  ab->next = buf_freelist;
+  buf_freelist = ab;
+}
+
+
+static void pinger_close_cb(uv_handle_t* handle, int status) {
+  pinger_t* pinger;
+
+  ASSERT(status == 0);
+
+  pinger = (pinger_t*)handle->data;
+  LOGF("ping_pongs: %d roundtrips/s\n", (1000 * pinger->pongs) / TIME);
+
+  free(pinger);
+
+  completed_pingers++;
+}
+
+
+static void pinger_write_cb(uv_req_t *req, int status) {
+  ASSERT(status == 0);
+
+  free(req);
+}
+
+
+static void pinger_write_ping(pinger_t* pinger) {
+  uv_req_t *req;
+  uv_buf buf;
+
+  buf.base = (char*)&PING;
+  buf.len = strlen(PING);
+
+  req = (uv_req_t*)malloc(sizeof(*req));
+  uv_req_init(req, &pinger->handle, pinger_write_cb);
+
+  if (uv_write(req, &buf, 1)) {
+    FATAL("uv_write failed");
+  }
+}
+
+
+static void pinger_shutdown_cb(uv_handle_t* handle, int status) {
+  ASSERT(status == 0);
+}
+
+
+static void pinger_read_cb(uv_handle_t* handle, int nread, uv_buf buf) {
+  unsigned int i;
+  pinger_t* pinger;
+
+  pinger = (pinger_t*)handle->data;
+
+  if (nread < 0) {
+    ASSERT(uv_last_error().code == UV_EOF);
+
+    if (buf.base) {
+      buf_free(buf);
+    }
+
+    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() - start_time > TIME) {
+        uv_req_init(&pinger->shutdown_req, handle, pinger_shutdown_cb);
+        uv_shutdown(&pinger->shutdown_req);
+        break;
+        return;
+      } else {
+        pinger_write_ping(pinger);
+      }
+    }
+  }
+
+  buf_free(buf);
+}
+
+
+static void pinger_connect_cb(uv_req_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, pinger_read_cb)) {
+    FATAL("uv_read_start failed");
+  }
+}
+
+
+static void pinger_new() {
+  int r;
+  struct sockaddr_in client_addr = uv_ip4_addr("0.0.0.0", 0);
+  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 connec to the server and do NUM_PINGS ping-pongs. */
+  r = uv_tcp_init(&pinger->handle, pinger_close_cb, (void*)pinger);
+  ASSERT(!r);
+
+  /* We are never doing multiple reads/connects at a time anyway. */
+  /* so these handles can be pre-initialized. */
+  uv_req_init(&pinger->connect_req, &pinger->handle, pinger_connect_cb);
+
+  uv_bind(&pinger->handle, (struct sockaddr*)&client_addr);
+  r = uv_connect(&pinger->connect_req, (struct sockaddr*)&server_addr);
+  ASSERT(!r);
+}
+
+
+BENCHMARK_IMPL(ping_pongs) {
+  uv_init(buf_alloc);
+  start_time = uv_now();
+
+  pinger_new();
+  uv_run();
+
+  ASSERT(completed_pingers == 1);
+
+  return 0;
+}