1 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
8 #include "base/basictypes.h"
9 #include "base/strings/string_util.h"
10 #include "net/quic/test_tools/quic_test_utils.h"
11 #include "net/tools/epoll_server/epoll_server.h"
12 #include "net/tools/quic/quic_client.h"
13 #include "testing/gtest/include/gtest/gtest.h"
15 using net::EpollServer
;
23 int number_of_open_fds
= 0;
27 base::snprintf(buf
, arraysize(buf
), "/proc/%i/fd/", getpid());
28 DIR* dir
= opendir(buf
);
29 while ((dp
= readdir(dir
)) != NULL
)
33 return number_of_open_fds
;
36 // Creates a new QuicClient and Initializes it. Caller is responsible for
38 QuicClient
* CreateAndInitializeQuicClient(EpollServer
* eps
, uint16 port
) {
39 IPEndPoint
server_address(IPEndPoint(net::test::Loopback4(), port
));
40 QuicServerId
server_id("hostname", server_address
.port(), false,
41 PRIVACY_MODE_DISABLED
);
42 QuicVersionVector versions
= QuicSupportedVersions();
43 QuicClient
* client
= new QuicClient(server_address
, server_id
, versions
, eps
);
44 EXPECT_TRUE(client
->Initialize());
48 TEST(QuicClientTest
, DoNotLeakFDs
) {
49 // Make sure that the QuicClient doesn't leak FDs. Doing so could cause port
50 // exhaustion in long running processes which repeatedly create clients.
52 // Record initial number of FDs, after creation of EpollServer.
54 int number_of_open_fds
= NumOpenFDs();
56 // Create a number of clients, initialize them, and verify this has resulted
57 // in additional FDs being opened.
58 const int kNumClients
= 5;
59 for (int i
= 0; i
< kNumClients
; ++i
) {
60 scoped_ptr
<QuicClient
> client(
61 CreateAndInitializeQuicClient(&eps
, net::test::kTestPort
+ i
));
63 // Initializing the client will create a new FD.
64 EXPECT_LT(number_of_open_fds
, NumOpenFDs());
67 // The FDs created by the QuicClients should now be closed.
68 EXPECT_EQ(number_of_open_fds
, NumOpenFDs());