1 files changed, 249 insertions, 0 deletions
diff --git a/libs/libevent/docs/test/test-fdleak.c b/libs/libevent/docs/test/test-fdleak.c
new file mode 100644
index 0000000000..4c4eba25e7
--- /dev/null
+++ b/libs/libevent/docs/test/test-fdleak.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) 2012 Ross Lagerwall <rosslagerwall@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "event2/event-config.h"
+
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef EVENT__HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+#ifdef EVENT__HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#include "event2/event.h"
+#include "event2/bufferevent.h"
+#include "event2/buffer.h"
+#include "event2/listener.h"
+
+/* Number of requests to make. Setting this too high might result in the machine
+   running out of ephemeral ports */
+#ifdef _WIN32
+#define MAX_REQUESTS 1000
+#else
+#define MAX_REQUESTS 4000
+#endif
+
+/* Provide storage for the address, both for the server & the clients */
+static struct sockaddr_in saddr;
+
+/* Number of sucessful requests so far */
+static int num_requests;
+
+static void start_client(struct event_base *base);
+
+static void
+my_perror(const char *s)
+{
+	fprintf(stderr, "%s: %s",
+	    s, evutil_socket_error_to_string(EVUTIL_SOCKET_ERROR()));
+}
+
+/*
+===============================================
+Server functions
+===============================================
+*/
+
+/* Read a byte from the client and write it back */
+static void
+server_read_cb(struct bufferevent *bev, void *ctx)
+{
+	while (evbuffer_get_length(bufferevent_get_input(bev))) {
+		unsigned char tmp;
+		bufferevent_read(bev, &tmp, 1);
+		bufferevent_write(bev, &tmp, 1);
+	}
+}
+
+/* Wait for an EOF and then free the bufferevent */
+static void
+server_event_cb(struct bufferevent *bev, short events, void *ctx)
+{
+	if (events & BEV_EVENT_ERROR) {
+		my_perror("Error from bufferevent");
+		exit(1);
+	} else if (events & (BEV_EVENT_EOF | BEV_EVENT_ERROR)) {
+		bufferevent_free(bev);
+	}
+}
+
+/* Accept a client socket and set it up to for reading & writing */
+static void
+listener_accept_cb(struct evconnlistener *listener, evutil_socket_t sock,
+                   struct sockaddr *addr, int len, void *ptr)
+{
+	struct event_base *base = evconnlistener_get_base(listener);
+	struct bufferevent *bev = bufferevent_socket_new(base, sock,
+                                                         BEV_OPT_CLOSE_ON_FREE);
+
+	bufferevent_setcb(bev, server_read_cb, NULL, server_event_cb, NULL);
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+}
+
+/* Start the server listening on a random port and start the first client. */
+static void
+start_loop(void)
+{
+	struct event_base *base;
+	struct evconnlistener *listener;
+	struct sockaddr_storage ss;
+	ev_socklen_t socklen = sizeof(ss);
+	evutil_socket_t fd;
+
+	base = event_base_new();
+	if (base == NULL) {
+		puts("Could not open event base!");
+		exit(1);
+	}
+
+	listener = evconnlistener_new_bind(base, listener_accept_cb, NULL,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
+	    -1, (struct sockaddr *)&saddr, sizeof(saddr));
+	if (listener == NULL) {
+		my_perror("Could not create listener!");
+		exit(1);
+	}
+	fd = evconnlistener_get_fd(listener);
+	if (fd < 0) {
+		puts("Couldn't get fd from listener");
+		exit(1);
+	}
+	if (getsockname(fd, (struct sockaddr *)&ss, &socklen) < 0) {
+		my_perror("getsockname()");
+		exit(1);
+	}
+	memcpy(&saddr, &ss, sizeof(saddr));
+	if (saddr.sin_family != AF_INET) {
+		puts("AF mismatch from getsockname().");
+		exit(1);
+	}
+
+	start_client(base);
+
+	event_base_dispatch(base);
+}
+
+/*
+===============================================
+Client functions
+===============================================
+*/
+
+/* Check that the server sends back the same byte that the client sent.
+   If MAX_REQUESTS have been reached, exit. Otherwise, start another client. */
+static void
+client_read_cb(struct bufferevent *bev, void *ctx)
+{
+	unsigned char tmp;
+	struct event_base *base = bufferevent_get_base(bev);
+
+	bufferevent_read(bev, &tmp, 1);
+	if (tmp != 'A') {
+		puts("Incorrect data received!");
+		exit(2);
+	}
+	bufferevent_free(bev);
+
+	num_requests++;
+	if (num_requests == MAX_REQUESTS) {
+		event_base_loopbreak(base);
+	} else {
+		start_client(base);
+	}
+}
+
+/* Send a byte to the server. */
+static void
+client_event_cb(struct bufferevent *bev, short events, void *ctx)
+{
+	if (events & BEV_EVENT_CONNECTED) {
+		unsigned char tmp = 'A';
+		bufferevent_write(bev, &tmp, 1);
+	} else if (events & BEV_EVENT_ERROR) {
+		puts("Client socket got error!");
+		exit(2);
+	}
+
+	bufferevent_enable(bev, EV_READ);
+}
+
+/* Open a client socket to connect to localhost on sin */
+static void
+start_client(struct event_base *base)
+{
+	struct bufferevent *bev = bufferevent_socket_new(base, -1,
+                                                         BEV_OPT_CLOSE_ON_FREE);
+	bufferevent_setcb(bev, client_read_cb, NULL, client_event_cb, NULL);
+
+	if (bufferevent_socket_connect(bev, (struct sockaddr *)&saddr,
+                                       sizeof(saddr)) < 0) {
+		my_perror("Could not connect!");
+		bufferevent_free(bev);
+		exit(2);
+	}
+}
+
+int
+main(int argc, char **argv)
+{
+#ifdef EVENT__HAVE_SETRLIMIT
+	/* Set the fd limit to a low value so that any fd leak is caught without
+	making many requests. */
+	struct rlimit rl;
+	rl.rlim_cur = rl.rlim_max = 20;
+	if (setrlimit(RLIMIT_NOFILE, &rl) == -1) {
+		my_perror("setrlimit");
+		exit(3);
+	}
+#endif
+
+#ifdef _WIN32
+	WSADATA WSAData;
+	WSAStartup(0x101, &WSAData);
+#endif
+
+	/* Set up an address, used by both client & server. */
+	memset(&saddr, 0, sizeof(saddr));
+	saddr.sin_family = AF_INET;
+	saddr.sin_addr.s_addr = htonl(0x7f000001);
+	saddr.sin_port = 0; /* Tell the implementation to pick a port. */
+
+	start_loop();
+
+	return 0;
+}
+
+/* XXX why does this test cause so much latency sometimes (OSX 10.5)? */