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-rw-r--r--net/socket/client_socket_handle.cc21
-rw-r--r--net/socket/client_socket_handle.h5
-rw-r--r--net/socket/client_socket_pool.h21
-rw-r--r--net/socket/client_socket_pool_base.cc81
-rw-r--r--net/socket/client_socket_pool_base.h47
-rw-r--r--net/socket/client_socket_pool_base_unittest.cc185
-rw-r--r--net/socket/socks_client_socket_pool.cc27
-rw-r--r--net/socket/socks_client_socket_pool.h12
-rw-r--r--net/socket/ssl_client_socket_pool.cc33
-rw-r--r--net/socket/ssl_client_socket_pool.h10
-rw-r--r--net/socket/transport_client_socket_pool.cc12
-rw-r--r--net/socket/transport_client_socket_pool.h6
12 files changed, 417 insertions, 43 deletions
diff --git a/net/socket/client_socket_handle.cc b/net/socket/client_socket_handle.cc
index 8309c3f..e093ec9 100644
--- a/net/socket/client_socket_handle.cc
+++ b/net/socket/client_socket_handle.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@@ -15,6 +15,8 @@ namespace net {
ClientSocketHandle::ClientSocketHandle()
: is_initialized_(false),
+ pool_(NULL),
+ layered_pool_(NULL),
is_reused_(false),
ALLOW_THIS_IN_INITIALIZER_LIST(
callback_(this, &ClientSocketHandle::OnIOComplete)),
@@ -49,6 +51,10 @@ void ClientSocketHandle::ResetInternal(bool cancel) {
group_name_.clear();
is_reused_ = false;
user_callback_ = NULL;
+ if (layered_pool_) {
+ pool_->RemoveLayeredPool(layered_pool_);
+ layered_pool_ = NULL;
+ }
pool_ = NULL;
idle_time_ = base::TimeDelta();
init_time_ = base::TimeTicks();
@@ -72,6 +78,19 @@ LoadState ClientSocketHandle::GetLoadState() const {
return pool_->GetLoadState(group_name_, this);
}
+bool ClientSocketHandle::IsPoolStalled() const {
+ return pool_->IsStalled();
+}
+
+void ClientSocketHandle::AddLayeredPool(LayeredPool* layered_pool) {
+ CHECK(layered_pool);
+ CHECK(!layered_pool_);
+ if (pool_) {
+ pool_->AddLayeredPool(layered_pool);
+ layered_pool_ = layered_pool;
+ }
+}
+
void ClientSocketHandle::OnIOComplete(int result) {
OldCompletionCallback* callback = user_callback_;
user_callback_ = NULL;
diff --git a/net/socket/client_socket_handle.h b/net/socket/client_socket_handle.h
index cab6ef6..23fc5cf 100644
--- a/net/socket/client_socket_handle.h
+++ b/net/socket/client_socket_handle.h
@@ -92,6 +92,10 @@ class NET_EXPORT ClientSocketHandle {
// initialized the ClientSocketHandle.
LoadState GetLoadState() const;
+ bool IsPoolStalled() const;
+
+ void AddLayeredPool(LayeredPool* layered_pool);
+
// Returns true when Init() has completed successfully.
bool is_initialized() const { return is_initialized_; }
@@ -164,6 +168,7 @@ class NET_EXPORT ClientSocketHandle {
bool is_initialized_;
ClientSocketPool* pool_;
+ LayeredPool* layered_pool_;
scoped_ptr<StreamSocket> socket_;
std::string group_name_;
bool is_reused_;
diff --git a/net/socket/client_socket_pool.h b/net/socket/client_socket_pool.h
index 5f618cd..315d436 100644
--- a/net/socket/client_socket_pool.h
+++ b/net/socket/client_socket_pool.h
@@ -29,6 +29,17 @@ class ClientSocketHandle;
class ClientSocketPoolHistograms;
class StreamSocket;
+// ClientSocketPools are layered. This defines an interface for lower level
+// socket pools to communicate with higher layer pools.
+class LayeredPool {
+ public:
+ virtual ~LayeredPool() {}
+
+ // Instructs the LayeredPool to close an idle connection. Return true if one
+ // was closed.
+ virtual bool CloseOneIdleConnection() = 0;
+};
+
// A ClientSocketPool is used to restrict the number of sockets open at a time.
// It also maintains a list of idle persistent sockets.
//
@@ -110,6 +121,10 @@ class NET_EXPORT ClientSocketPool {
// the pool. Does not flush any pools wrapped by |this|.
virtual void Flush() = 0;
+ // Returns true if a new request may hit a per-pool (not per-host) max socket
+ // limit.
+ virtual bool IsStalled() const = 0;
+
// Called to close any idle connections held by the connection manager.
virtual void CloseIdleSockets() = 0;
@@ -123,6 +138,12 @@ class NET_EXPORT ClientSocketPool {
virtual LoadState GetLoadState(const std::string& group_name,
const ClientSocketHandle* handle) const = 0;
+ // Adds a LayeredPool on top of |this|.
+ virtual void AddLayeredPool(LayeredPool* layered_pool) = 0;
+
+ // Removes a LayeredPool from |this|.
+ virtual void RemoveLayeredPool(LayeredPool* layered_pool) = 0;
+
// Retrieves information on the current state of the pool as a
// DictionaryValue. Caller takes possession of the returned value.
// If |include_nested_pools| is true, the states of any nested
diff --git a/net/socket/client_socket_pool_base.cc b/net/socket/client_socket_pool_base.cc
index 4c1600e..bb7eb06 100644
--- a/net/socket/client_socket_pool_base.cc
+++ b/net/socket/client_socket_pool_base.cc
@@ -207,6 +207,7 @@ ClientSocketPoolBaseHelper::~ClientSocketPoolBaseHelper() {
DCHECK(group_map_.empty());
DCHECK(pending_callback_map_.empty());
DCHECK_EQ(0, connecting_socket_count_);
+ DCHECK(higher_layer_pools_.empty());
NetworkChangeNotifier::RemoveIPAddressObserver(this);
}
@@ -236,6 +237,18 @@ ClientSocketPoolBaseHelper::RemoveRequestFromQueue(
return req;
}
+void ClientSocketPoolBaseHelper::AddLayeredPool(LayeredPool* pool) {
+ CHECK(pool);
+ CHECK(!ContainsKey(higher_layer_pools_, pool));
+ higher_layer_pools_.insert(pool);
+}
+
+void ClientSocketPoolBaseHelper::RemoveLayeredPool(LayeredPool* pool) {
+ CHECK(pool);
+ CHECK(ContainsKey(higher_layer_pools_, pool));
+ higher_layer_pools_.erase(pool);
+}
+
int ClientSocketPoolBaseHelper::RequestSocket(
const std::string& group_name,
const Request* request) {
@@ -334,6 +347,10 @@ int ClientSocketPoolBaseHelper::RequestSocketInternal(
// Can we make another active socket now?
if (!group->HasAvailableSocketSlot(max_sockets_per_group_) &&
!request->ignore_limits()) {
+ // TODO(willchan): Consider whether or not we need to close a socket in a
+ // higher layered group. I don't think this makes sense since we would just
+ // reuse that socket then if we needed one and wouldn't make it down to this
+ // layer.
request->net_log().AddEvent(
NetLog::TYPE_SOCKET_POOL_STALLED_MAX_SOCKETS_PER_GROUP, NULL);
return ERR_IO_PENDING;
@@ -341,19 +358,28 @@ int ClientSocketPoolBaseHelper::RequestSocketInternal(
if (ReachedMaxSocketsLimit() && !request->ignore_limits()) {
if (idle_socket_count() > 0) {
+ // There's an idle socket in this pool. Either that's because there's
+ // still one in this group, but we got here due to preconnecting bypassing
+ // idle sockets, or because there's an idle socket in another group.
bool closed = CloseOneIdleSocketExceptInGroup(group);
if (preconnecting && !closed)
return ERR_PRECONNECT_MAX_SOCKET_LIMIT;
} else {
- // We could check if we really have a stalled group here, but it requires
- // a scan of all groups, so just flip a flag here, and do the check later.
- request->net_log().AddEvent(
- NetLog::TYPE_SOCKET_POOL_STALLED_MAX_SOCKETS, NULL);
- return ERR_IO_PENDING;
+ do {
+ if (!CloseOneIdleConnectionInLayeredPool()) {
+ // We could check if we really have a stalled group here, but it
+ // requires a scan of all groups, so just flip a flag here, and do
+ // the check later.
+ request->net_log().AddEvent(
+ NetLog::TYPE_SOCKET_POOL_STALLED_MAX_SOCKETS, NULL);
+ return ERR_IO_PENDING;
+ }
+ } while (ReachedMaxSocketsLimit());
}
}
- // We couldn't find a socket to reuse, so allocate and connect a new one.
+ // We couldn't find a socket to reuse, and there's space to allocate one,
+ // so allocate and connect a new one.
scoped_ptr<ConnectJob> connect_job(
connect_job_factory_->NewConnectJob(group_name, *request, this));
@@ -790,18 +816,22 @@ void ClientSocketPoolBaseHelper::CheckForStalledSocketGroups() {
// are not at the |max_sockets_per_group_| limit. Note: for requests with
// the same priority, the winner is based on group hash ordering (and not
// insertion order).
-bool ClientSocketPoolBaseHelper::FindTopStalledGroup(Group** group,
- std::string* group_name) {
+bool ClientSocketPoolBaseHelper::FindTopStalledGroup(
+ Group** group,
+ std::string* group_name) const {
+ CHECK((group && group_name) || (!group && !group_name));
Group* top_group = NULL;
const std::string* top_group_name = NULL;
bool has_stalled_group = false;
- for (GroupMap::iterator i = group_map_.begin();
+ for (GroupMap::const_iterator i = group_map_.begin();
i != group_map_.end(); ++i) {
Group* curr_group = i->second;
const RequestQueue& queue = curr_group->pending_requests();
if (queue.empty())
continue;
if (curr_group->IsStalled(max_sockets_per_group_)) {
+ if (!group)
+ return true;
has_stalled_group = true;
bool has_higher_priority = !top_group ||
curr_group->TopPendingPriority() < top_group->TopPendingPriority();
@@ -813,8 +843,11 @@ bool ClientSocketPoolBaseHelper::FindTopStalledGroup(Group** group,
}
if (top_group) {
+ CHECK(group);
*group = top_group;
*group_name = *top_group_name;
+ } else {
+ CHECK(!has_stalled_group);
}
return has_stalled_group;
}
@@ -887,6 +920,17 @@ void ClientSocketPoolBaseHelper::Flush() {
AbortAllRequests();
}
+bool ClientSocketPoolBaseHelper::IsStalled() const {
+ if ((handed_out_socket_count_ + connecting_socket_count_) < max_sockets_)
+ return false;
+ for (GroupMap::const_iterator it = group_map_.begin();
+ it != group_map_.end(); it++) {
+ if (it->second->IsStalled(max_sockets_per_group_))
+ return true;
+ }
+ return false;
+}
+
void ClientSocketPoolBaseHelper::RemoveConnectJob(ConnectJob* job,
Group* group) {
CHECK_GT(connecting_socket_count_, 0);
@@ -1023,8 +1067,10 @@ bool ClientSocketPoolBaseHelper::ReachedMaxSocketsLimit() const {
return true;
}
-void ClientSocketPoolBaseHelper::CloseOneIdleSocket() {
- CloseOneIdleSocketExceptInGroup(NULL);
+bool ClientSocketPoolBaseHelper::CloseOneIdleSocket() {
+ if (idle_socket_count() == 0)
+ return false;
+ return CloseOneIdleSocketExceptInGroup(NULL);
}
bool ClientSocketPoolBaseHelper::CloseOneIdleSocketExceptInGroup(
@@ -1048,9 +1094,18 @@ bool ClientSocketPoolBaseHelper::CloseOneIdleSocketExceptInGroup(
}
}
- if (!exception_group)
- LOG(DFATAL) << "No idle socket found to close!.";
+ return false;
+}
+bool ClientSocketPoolBaseHelper::CloseOneIdleConnectionInLayeredPool() {
+ // This pool doesn't have any idle sockets. It's possible that a pool at a
+ // higher layer is holding one of this sockets active, but it's actually idle.
+ // Query the higher layers.
+ for (std::set<LayeredPool*>::const_iterator it = higher_layer_pools_.begin();
+ it != higher_layer_pools_.end(); ++it) {
+ if ((*it)->CloseOneIdleConnection())
+ return true;
+ }
return false;
}
diff --git a/net/socket/client_socket_pool_base.h b/net/socket/client_socket_pool_base.h
index 5000f36..052c613 100644
--- a/net/socket/client_socket_pool_base.h
+++ b/net/socket/client_socket_pool_base.h
@@ -28,6 +28,7 @@
#include <map>
#include <set>
#include <string>
+#include <vector>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
@@ -239,6 +240,11 @@ class NET_EXPORT_PRIVATE ClientSocketPoolBaseHelper
virtual ~ClientSocketPoolBaseHelper();
+ // Adds/Removes layered pools. It is expected in the destructor that no
+ // layered pools remain.
+ void AddLayeredPool(LayeredPool* pool);
+ void RemoveLayeredPool(LayeredPool* pool);
+
// See ClientSocketPool::RequestSocket for documentation on this function.
// ClientSocketPoolBaseHelper takes ownership of |request|, which must be
// heap allocated.
@@ -261,6 +267,9 @@ class NET_EXPORT_PRIVATE ClientSocketPoolBaseHelper
// See ClientSocketPool::Flush for documentation on this function.
void Flush();
+ // See ClientSocketPool::IsStalled for documentation on this function.
+ bool IsStalled() const;
+
// See ClientSocketPool::CloseIdleSockets for documentation on this function.
void CloseIdleSockets();
@@ -305,6 +314,16 @@ class NET_EXPORT_PRIVATE ClientSocketPoolBaseHelper
// sockets that timed out or can't be reused. Made public for testing.
void CleanupIdleSockets(bool force);
+ // Closes one idle socket. Picks the first one encountered.
+ // TODO(willchan): Consider a better algorithm for doing this. Perhaps we
+ // should keep an ordered list of idle sockets, and close them in order.
+ // Requires maintaining more state. It's not clear if it's worth it since
+ // I'm not sure if we hit this situation often.
+ bool CloseOneIdleSocket();
+
+ // Checks layered pools to see if they can close an idle connection.
+ bool CloseOneIdleConnectionInLayeredPool();
+
// See ClientSocketPool::GetInfoAsValue for documentation on this function.
base::DictionaryValue* GetInfoAsValue(const std::string& name,
const std::string& type) const;
@@ -457,7 +476,7 @@ class NET_EXPORT_PRIVATE ClientSocketPoolBaseHelper
// at least one pending request. Returns true if any groups are stalled, and
// if so, fills |group| and |group_name| with data of the stalled group
// having highest priority.
- bool FindTopStalledGroup(Group** group, std::string* group_name);
+ bool FindTopStalledGroup(Group** group, std::string* group_name) const;
// Called when timer_ fires. This method scans the idle sockets removing
// sockets that timed out or can't be reused.
@@ -509,13 +528,6 @@ class NET_EXPORT_PRIVATE ClientSocketPoolBaseHelper
static void LogBoundConnectJobToRequest(
const NetLog::Source& connect_job_source, const Request* request);
- // Closes one idle socket. Picks the first one encountered.
- // TODO(willchan): Consider a better algorithm for doing this. Perhaps we
- // should keep an ordered list of idle sockets, and close them in order.
- // Requires maintaining more state. It's not clear if it's worth it since
- // I'm not sure if we hit this situation often.
- void CloseOneIdleSocket();
-
// Same as CloseOneIdleSocket() except it won't close an idle socket in
// |group|. If |group| is NULL, it is ignored. Returns true if it closed a
// socket.
@@ -580,6 +592,8 @@ class NET_EXPORT_PRIVATE ClientSocketPoolBaseHelper
// make sure that they are discarded rather than reused.
int pool_generation_number_;
+ std::set<LayeredPool*> higher_layer_pools_;
+
ScopedRunnableMethodFactory<ClientSocketPoolBaseHelper> method_factory_;
DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolBaseHelper);
@@ -646,6 +660,13 @@ class ClientSocketPoolBase {
virtual ~ClientSocketPoolBase() {}
// These member functions simply forward to ClientSocketPoolBaseHelper.
+ void AddLayeredPool(LayeredPool* pool) {
+ helper_.AddLayeredPool(pool);
+ }
+
+ void RemoveLayeredPool(LayeredPool* pool) {
+ helper_.RemoveLayeredPool(pool);
+ }
// RequestSocket bundles up the parameters into a Request and then forwards to
// ClientSocketPoolBaseHelper::RequestSocket().
@@ -690,6 +711,10 @@ class ClientSocketPoolBase {
return helper_.ReleaseSocket(group_name, socket, id);
}
+ void Flush() { helper_.Flush(); }
+
+ bool IsStalled() const { return helper_.IsStalled(); }
+
void CloseIdleSockets() { return helper_.CloseIdleSockets(); }
int idle_socket_count() const { return helper_.idle_socket_count(); }
@@ -738,7 +763,11 @@ class ClientSocketPoolBase {
void EnableConnectBackupJobs() { helper_.EnableConnectBackupJobs(); }
- void Flush() { helper_.Flush(); }
+ bool CloseOneIdleSocket() { return helper_.CloseOneIdleSocket(); }
+
+ bool CloseOneIdleConnectionInLayeredPool() {
+ return helper_.CloseOneIdleConnectionInLayeredPool();
+ }
private:
// This adaptor class exists to bridge the
diff --git a/net/socket/client_socket_pool_base_unittest.cc b/net/socket/client_socket_pool_base_unittest.cc
index d318dd6..3f7e954 100644
--- a/net/socket/client_socket_pool_base_unittest.cc
+++ b/net/socket/client_socket_pool_base_unittest.cc
@@ -25,8 +25,12 @@
#include "net/socket/socket_test_util.h"
#include "net/socket/ssl_host_info.h"
#include "net/socket/stream_socket.h"
+#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
+using ::testing::Invoke;
+using ::testing::Return;
+
namespace net {
namespace {
@@ -37,10 +41,18 @@ const net::RequestPriority kDefaultPriority = MEDIUM;
class TestSocketParams : public base::RefCounted<TestSocketParams> {
public:
- bool ignore_limits() { return false; }
+ TestSocketParams() : ignore_limits_(false) {}
+
+ void set_ignore_limits(bool ignore_limits) {
+ ignore_limits_ = ignore_limits;
+ }
+ bool ignore_limits() { return ignore_limits_; }
+
private:
friend class base::RefCounted<TestSocketParams>;
~TestSocketParams() {}
+
+ bool ignore_limits_;
};
typedef ClientSocketPoolBase<TestSocketParams> TestClientSocketPoolBase;
@@ -414,7 +426,7 @@ class TestClientSocketPool : public ClientSocketPool {
net::RequestPriority priority,
ClientSocketHandle* handle,
OldCompletionCallback* callback,
- const BoundNetLog& net_log) {
+ const BoundNetLog& net_log) OVERRIDE {
const scoped_refptr<TestSocketParams>* casted_socket_params =
static_cast<const scoped_refptr<TestSocketParams>*>(params);
return base_.RequestSocket(group_name, *casted_socket_params, priority,
@@ -424,7 +436,7 @@ class TestClientSocketPool : public ClientSocketPool {
virtual void RequestSockets(const std::string& group_name,
const void* params,
int num_sockets,
- const BoundNetLog& net_log) {
+ const BoundNetLog& net_log) OVERRIDE {
const scoped_refptr<TestSocketParams>* casted_params =
static_cast<const scoped_refptr<TestSocketParams>*>(params);
@@ -433,47 +445,64 @@ class TestClientSocketPool : public ClientSocketPool {
virtual void CancelRequest(
const std::string& group_name,
- ClientSocketHandle* handle) {
+ ClientSocketHandle* handle) OVERRIDE {
base_.CancelRequest(group_name, handle);
}
virtual void ReleaseSocket(
const std::string& group_name,
StreamSocket* socket,
- int id) {
+ int id) OVERRIDE {
base_.ReleaseSocket(group_name, socket, id);
}
- virtual void Flush() {
+ virtual void Flush() OVERRIDE {
base_.Flush();
}
- virtual void CloseIdleSockets() {
+ virtual bool IsStalled() const OVERRIDE {
+ return base_.IsStalled();
+ }
+
+ virtual void CloseIdleSockets() OVERRIDE {
base_.CloseIdleSockets();
}
- virtual int IdleSocketCount() const { return base_.idle_socket_count(); }
+ virtual int IdleSocketCount() const OVERRIDE {
+ return base_.idle_socket_count();
+ }
- virtual int IdleSocketCountInGroup(const std::string& group_name) const {
+ virtual int IdleSocketCountInGroup(
+ const std::string& group_name) const OVERRIDE {
return base_.IdleSocketCountInGroup(group_name);
}
- virtual LoadState GetLoadState(const std::string& group_name,
- const ClientSocketHandle* handle) const {
+ virtual LoadState GetLoadState(
+ const std::string& group_name,
+ const ClientSocketHandle* handle) const OVERRIDE {
return base_.GetLoadState(group_name, handle);
}
- virtual DictionaryValue* GetInfoAsValue(const std::string& name,
- const std::string& type,
- bool include_nested_pools) const {
+ virtual void AddLayeredPool(LayeredPool* pool) OVERRIDE {
+ base_.AddLayeredPool(pool);
+ }
+
+ virtual void RemoveLayeredPool(LayeredPool* pool) OVERRIDE {
+ base_.RemoveLayeredPool(pool);
+ }
+
+ virtual DictionaryValue* GetInfoAsValue(
+ const std::string& name,
+ const std::string& type,
+ bool include_nested_pools) const OVERRIDE {
return base_.GetInfoAsValue(name, type);
}
- virtual base::TimeDelta ConnectionTimeout() const {
+ virtual base::TimeDelta ConnectionTimeout() const OVERRIDE {
return base_.ConnectionTimeout();
}
- virtual ClientSocketPoolHistograms* histograms() const {
+ virtual ClientSocketPoolHistograms* histograms() const OVERRIDE {
return base_.histograms();
}
@@ -495,6 +524,10 @@ class TestClientSocketPool : public ClientSocketPool {
void EnableConnectBackupJobs() { base_.EnableConnectBackupJobs(); }
+ bool CloseOneIdleConnectionInLayeredPool() {
+ return base_.CloseOneIdleConnectionInLayeredPool();
+ }
+
private:
TestClientSocketPoolBase base_;
@@ -1160,6 +1193,7 @@ TEST_F(ClientSocketPoolBaseTest, WaitForStalledSocketAtSocketLimit) {
ClientSocketHandle stalled_handle;
TestOldCompletionCallback callback;
{
+ EXPECT_FALSE(pool_->IsStalled());
ClientSocketHandle handles[kDefaultMaxSockets];
for (int i = 0; i < kDefaultMaxSockets; ++i) {
TestOldCompletionCallback callback;
@@ -1174,6 +1208,7 @@ TEST_F(ClientSocketPoolBaseTest, WaitForStalledSocketAtSocketLimit) {
EXPECT_EQ(kDefaultMaxSockets, client_socket_factory_.allocation_count());
EXPECT_EQ(0, pool_->IdleSocketCount());
+ EXPECT_FALSE(pool_->IsStalled());
// Now we will hit the socket limit.
EXPECT_EQ(ERR_IO_PENDING, stalled_handle.Init("foo",
@@ -1182,6 +1217,7 @@ TEST_F(ClientSocketPoolBaseTest, WaitForStalledSocketAtSocketLimit) {
&callback,
pool_.get(),
BoundNetLog()));
+ EXPECT_TRUE(pool_->IsStalled());
// Dropping out of scope will close all handles and return them to idle.
}
@@ -2000,9 +2036,9 @@ TEST_F(ClientSocketPoolBaseTest, DisableCleanupTimer) {
EXPECT_EQ(1, handle2.socket()->Write(NULL, 1, NULL));
handle2.Reset();
- // The idle socket timeout value was set to 10 milliseconds. Wait 20
+ // The idle socket timeout value was set to 10 milliseconds. Wait 100
// milliseconds so the sockets timeout.
- base::PlatformThread::Sleep(20);
+ base::PlatformThread::Sleep(100);
MessageLoop::current()->RunAllPending();
ASSERT_EQ(2, pool_->IdleSocketCount());
@@ -3029,6 +3065,7 @@ TEST_F(ClientSocketPoolBaseTest, RequestSocketsHitMaxSocketLimit) {
ASSERT_TRUE(pool_->HasGroup("a"));
EXPECT_EQ(kDefaultMaxSockets - 1, pool_->NumConnectJobsInGroup("a"));
+ EXPECT_FALSE(pool_->IsStalled());
ASSERT_FALSE(pool_->HasGroup("b"));
@@ -3037,6 +3074,7 @@ TEST_F(ClientSocketPoolBaseTest, RequestSocketsHitMaxSocketLimit) {
ASSERT_TRUE(pool_->HasGroup("b"));
EXPECT_EQ(1, pool_->NumConnectJobsInGroup("b"));
+ EXPECT_FALSE(pool_->IsStalled());
}
TEST_F(ClientSocketPoolBaseTest, RequestSocketsCountIdleSockets) {
@@ -3355,6 +3393,117 @@ TEST_F(ClientSocketPoolBaseTest, PreconnectWithBackupJob) {
EXPECT_EQ(1, pool_->NumActiveSocketsInGroup("a"));
}
+class MockLayeredPool : public LayeredPool {
+ public:
+ MockLayeredPool(TestClientSocketPool* pool,
+ const std::string& group_name)
+ : pool_(pool),
+ params_(new TestSocketParams),
+ group_name_(group_name) {
+ pool_->AddLayeredPool(this);
+ }
+
+ ~MockLayeredPool() {
+ pool_->RemoveLayeredPool(this);
+ }
+
+ int RequestSocket(TestClientSocketPool* pool) {
+ return handle_.Init(group_name_, params_, kDefaultPriority, &callback_,
+ pool, BoundNetLog());
+ }
+
+ int RequestSocketWithoutLimits(TestClientSocketPool* pool) {
+ params_->set_ignore_limits(true);
+ return handle_.Init(group_name_, params_, kDefaultPriority, &callback_,
+ pool, BoundNetLog());
+ }
+
+ bool ReleaseOneConnection() {
+ if (!handle_.is_initialized()) {
+ return false;
+ }
+ handle_.socket()->Disconnect();
+ handle_.Reset();
+ return true;
+ }
+
+ MOCK_METHOD0(CloseOneIdleConnection, bool());
+
+ private:
+ TestClientSocketPool* const pool_;
+ scoped_refptr<TestSocketParams> params_;
+ ClientSocketHandle handle_;
+ TestOldCompletionCallback callback_;
+ const std::string group_name_;
+};
+
+TEST_F(ClientSocketPoolBaseTest, FailToCloseIdleSocketsNotHeldByLayeredPool) {
+ CreatePool(kDefaultMaxSockets, kDefaultMaxSocketsPerGroup);
+ connect_job_factory_->set_job_type(TestConnectJob::kMockJob);
+
+ MockLayeredPool mock_layered_pool(pool_.get(), "foo");
+ EXPECT_CALL(mock_layered_pool, CloseOneIdleConnection())
+ .WillOnce(Return(false));
+ EXPECT_EQ(OK, mock_layered_pool.RequestSocket(pool_.get()));
+ EXPECT_FALSE(pool_->CloseOneIdleConnectionInLayeredPool());
+}
+
+TEST_F(ClientSocketPoolBaseTest, ForciblyCloseIdleSocketsHeldByLayeredPool) {
+ CreatePool(kDefaultMaxSockets, kDefaultMaxSocketsPerGroup);
+ connect_job_factory_->set_job_type(TestConnectJob::kMockJob);
+
+ MockLayeredPool mock_layered_pool(pool_.get(), "foo");
+ EXPECT_EQ(OK, mock_layered_pool.RequestSocket(pool_.get()));
+ EXPECT_CALL(mock_layered_pool, CloseOneIdleConnection())
+ .WillOnce(Invoke(&mock_layered_pool,
+ &MockLayeredPool::ReleaseOneConnection));
+ EXPECT_TRUE(pool_->CloseOneIdleConnectionInLayeredPool());
+}
+
+TEST_F(ClientSocketPoolBaseTest, CloseIdleSocketsHeldByLayeredPoolWhenNeeded) {
+ CreatePool(1, 1);
+ connect_job_factory_->set_job_type(TestConnectJob::kMockJob);
+
+ MockLayeredPool mock_layered_pool(pool_.get(), "foo");
+ EXPECT_EQ(OK, mock_layered_pool.RequestSocket(pool_.get()));
+ EXPECT_CALL(mock_layered_pool, CloseOneIdleConnection())
+ .WillOnce(Invoke(&mock_layered_pool,
+ &MockLayeredPool::ReleaseOneConnection));
+ ClientSocketHandle handle;
+ TestOldCompletionCallback callback;
+ EXPECT_EQ(OK, handle.Init("a",
+ params_,
+ kDefaultPriority,
+ &callback,
+ pool_.get(),
+ BoundNetLog()));
+}
+
+TEST_F(ClientSocketPoolBaseTest,
+ CloseMultipleIdleSocketsHeldByLayeredPoolWhenNeeded) {
+ CreatePool(1, 1);
+ connect_job_factory_->set_job_type(TestConnectJob::kMockJob);
+
+ MockLayeredPool mock_layered_pool1(pool_.get(), "foo");
+ EXPECT_EQ(OK, mock_layered_pool1.RequestSocket(pool_.get()));
+ EXPECT_CALL(mock_layered_pool1, CloseOneIdleConnection())
+ .WillRepeatedly(Invoke(&mock_layered_pool1,
+ &MockLayeredPool::ReleaseOneConnection));
+ MockLayeredPool mock_layered_pool2(pool_.get(), "bar");
+ EXPECT_EQ(OK, mock_layered_pool2.RequestSocketWithoutLimits(pool_.get()));
+ EXPECT_CALL(mock_layered_pool2, CloseOneIdleConnection())
+ .WillRepeatedly(Invoke(&mock_layered_pool2,
+ &MockLayeredPool::ReleaseOneConnection));
+ ClientSocketHandle handle;
+ TestOldCompletionCallback callback;
+ EXPECT_EQ(OK, handle.Init("a",
+ params_,
+ kDefaultPriority,
+ &callback,
+ pool_.get(),
+ BoundNetLog()));
+}
+
} // namespace
} // namespace net
diff --git a/net/socket/socks_client_socket_pool.cc b/net/socket/socks_client_socket_pool.cc
index 7f1967b..5fa52bf 100644
--- a/net/socket/socks_client_socket_pool.cc
+++ b/net/socket/socks_client_socket_pool.cc
@@ -198,9 +198,16 @@ SOCKSClientSocketPool::SOCKSClientSocketPool(
new SOCKSConnectJobFactory(transport_pool,
host_resolver,
net_log)) {
+ // We should always have a |transport_pool_| except in unit tests.
+ if (transport_pool_)
+ transport_pool_->AddLayeredPool(this);
}
-SOCKSClientSocketPool::~SOCKSClientSocketPool() {}
+SOCKSClientSocketPool::~SOCKSClientSocketPool() {
+ // We should always have a |transport_pool_| except in unit tests.
+ if (transport_pool_)
+ transport_pool_->RemoveLayeredPool(this);
+}
int SOCKSClientSocketPool::RequestSocket(const std::string& group_name,
const void* socket_params,
@@ -240,6 +247,10 @@ void SOCKSClientSocketPool::Flush() {
base_.Flush();
}
+bool SOCKSClientSocketPool::IsStalled() const {
+ return base_.IsStalled() || transport_pool_->IsStalled();
+}
+
void SOCKSClientSocketPool::CloseIdleSockets() {
base_.CloseIdleSockets();
}
@@ -258,6 +269,14 @@ LoadState SOCKSClientSocketPool::GetLoadState(
return base_.GetLoadState(group_name, handle);
}
+void SOCKSClientSocketPool::AddLayeredPool(LayeredPool* layered_pool) {
+ base_.AddLayeredPool(layered_pool);
+}
+
+void SOCKSClientSocketPool::RemoveLayeredPool(LayeredPool* layered_pool) {
+ base_.RemoveLayeredPool(layered_pool);
+}
+
DictionaryValue* SOCKSClientSocketPool::GetInfoAsValue(
const std::string& name,
const std::string& type,
@@ -281,4 +300,10 @@ ClientSocketPoolHistograms* SOCKSClientSocketPool::histograms() const {
return base_.histograms();
};
+bool SOCKSClientSocketPool::CloseOneIdleConnection() {
+ if (base_.CloseOneIdleSocket())
+ return true;
+ return base_.CloseOneIdleConnectionInLayeredPool();
+}
+
} // namespace net
diff --git a/net/socket/socks_client_socket_pool.h b/net/socket/socks_client_socket_pool.h
index 34352b48..501f3bf 100644
--- a/net/socket/socks_client_socket_pool.h
+++ b/net/socket/socks_client_socket_pool.h
@@ -105,7 +105,8 @@ class SOCKSConnectJob : public ConnectJob {
DISALLOW_COPY_AND_ASSIGN(SOCKSConnectJob);
};
-class NET_EXPORT_PRIVATE SOCKSClientSocketPool : public ClientSocketPool {
+class NET_EXPORT_PRIVATE SOCKSClientSocketPool
+ : public ClientSocketPool, public LayeredPool {
public:
SOCKSClientSocketPool(
int max_sockets,
@@ -139,6 +140,8 @@ class NET_EXPORT_PRIVATE SOCKSClientSocketPool : public ClientSocketPool {
virtual void Flush() OVERRIDE;
+ virtual bool IsStalled() const OVERRIDE;
+
virtual void CloseIdleSockets() OVERRIDE;
virtual int IdleSocketCount() const OVERRIDE;
@@ -150,6 +153,10 @@ class NET_EXPORT_PRIVATE SOCKSClientSocketPool : public ClientSocketPool {
const std::string& group_name,
const ClientSocketHandle* handle) const OVERRIDE;
+ virtual void AddLayeredPool(LayeredPool* layered_pool) OVERRIDE;
+
+ virtual void RemoveLayeredPool(LayeredPool* layered_pool) OVERRIDE;
+
virtual base::DictionaryValue* GetInfoAsValue(
const std::string& name,
const std::string& type,
@@ -159,6 +166,9 @@ class NET_EXPORT_PRIVATE SOCKSClientSocketPool : public ClientSocketPool {
virtual ClientSocketPoolHistograms* histograms() const OVERRIDE;
+ // LayeredPool methods:
+ virtual bool CloseOneIdleConnection() OVERRIDE;
+
private:
typedef ClientSocketPoolBase<SOCKSSocketParams> PoolBase;
diff --git a/net/socket/ssl_client_socket_pool.cc b/net/socket/ssl_client_socket_pool.cc
index 4fffac6..601ad73 100644
--- a/net/socket/ssl_client_socket_pool.cc
+++ b/net/socket/ssl_client_socket_pool.cc
@@ -477,9 +477,21 @@ SSLClientSocketPool::SSLClientSocketPool(
ssl_config_service_(ssl_config_service) {
if (ssl_config_service_)
ssl_config_service_->AddObserver(this);
+ if (transport_pool_)
+ transport_pool_->AddLayeredPool(this);
+ if (socks_pool_)
+ socks_pool_->AddLayeredPool(this);
+ if (http_proxy_pool_)
+ http_proxy_pool_->AddLayeredPool(this);
}
SSLClientSocketPool::~SSLClientSocketPool() {
+ if (http_proxy_pool_)
+ http_proxy_pool_->RemoveLayeredPool(this);
+ if (socks_pool_)
+ socks_pool_->RemoveLayeredPool(this);
+ if (transport_pool_)
+ transport_pool_->RemoveLayeredPool(this);
if (ssl_config_service_)
ssl_config_service_->RemoveObserver(this);
}
@@ -532,6 +544,13 @@ void SSLClientSocketPool::Flush() {
base_.Flush();
}
+bool SSLClientSocketPool::IsStalled() const {
+ return base_.IsStalled() ||
+ (transport_pool_ && transport_pool_->IsStalled()) ||
+ (socks_pool_ && socks_pool_->IsStalled()) ||
+ (http_proxy_pool_ && http_proxy_pool_->IsStalled());
+}
+
void SSLClientSocketPool::CloseIdleSockets() {
base_.CloseIdleSockets();
}
@@ -550,6 +569,14 @@ LoadState SSLClientSocketPool::GetLoadState(
return base_.GetLoadState(group_name, handle);
}
+void SSLClientSocketPool::AddLayeredPool(LayeredPool* layered_pool) {
+ base_.AddLayeredPool(layered_pool);
+}
+
+void SSLClientSocketPool::RemoveLayeredPool(LayeredPool* layered_pool) {
+ base_.RemoveLayeredPool(layered_pool);
+}
+
DictionaryValue* SSLClientSocketPool::GetInfoAsValue(
const std::string& name,
const std::string& type,
@@ -589,4 +616,10 @@ void SSLClientSocketPool::OnSSLConfigChanged() {
Flush();
}
+bool SSLClientSocketPool::CloseOneIdleConnection() {
+ if (base_.CloseOneIdleSocket())
+ return true;
+ return base_.CloseOneIdleConnectionInLayeredPool();
+}
+
} // namespace net
diff --git a/net/socket/ssl_client_socket_pool.h b/net/socket/ssl_client_socket_pool.h
index 3305a6f..ac5c22b7 100644
--- a/net/socket/ssl_client_socket_pool.h
+++ b/net/socket/ssl_client_socket_pool.h
@@ -167,6 +167,7 @@ class SSLConnectJob : public ConnectJob {
class NET_EXPORT_PRIVATE SSLClientSocketPool
: public ClientSocketPool,
+ public LayeredPool,
public SSLConfigService::Observer {
public:
// Only the pools that will be used are required. i.e. if you never
@@ -212,6 +213,8 @@ class NET_EXPORT_PRIVATE SSLClientSocketPool
virtual void Flush() OVERRIDE;
+ virtual bool IsStalled() const OVERRIDE;
+
virtual void CloseIdleSockets() OVERRIDE;
virtual int IdleSocketCount() const OVERRIDE;
@@ -223,6 +226,10 @@ class NET_EXPORT_PRIVATE SSLClientSocketPool
const std::string& group_name,
const ClientSocketHandle* handle) const OVERRIDE;
+ virtual void AddLayeredPool(LayeredPool* layered_pool) OVERRIDE;
+
+ virtual void RemoveLayeredPool(LayeredPool* layered_pool) OVERRIDE;
+
virtual base::DictionaryValue* GetInfoAsValue(
const std::string& name,
const std::string& type,
@@ -232,6 +239,9 @@ class NET_EXPORT_PRIVATE SSLClientSocketPool
virtual ClientSocketPoolHistograms* histograms() const OVERRIDE;
+ // LayeredPool methods:
+ virtual bool CloseOneIdleConnection() OVERRIDE;
+
private:
typedef ClientSocketPoolBase<SSLSocketParams> PoolBase;
diff --git a/net/socket/transport_client_socket_pool.cc b/net/socket/transport_client_socket_pool.cc
index 38ac74e..a423ebd 100644
--- a/net/socket/transport_client_socket_pool.cc
+++ b/net/socket/transport_client_socket_pool.cc
@@ -450,6 +450,10 @@ void TransportClientSocketPool::Flush() {
base_.Flush();
}
+bool TransportClientSocketPool::IsStalled() const {
+ return base_.IsStalled();
+}
+
void TransportClientSocketPool::CloseIdleSockets() {
base_.CloseIdleSockets();
}
@@ -468,6 +472,14 @@ LoadState TransportClientSocketPool::GetLoadState(
return base_.GetLoadState(group_name, handle);
}
+void TransportClientSocketPool::AddLayeredPool(LayeredPool* layered_pool) {
+ base_.AddLayeredPool(layered_pool);
+}
+
+void TransportClientSocketPool::RemoveLayeredPool(LayeredPool* layered_pool) {
+ base_.RemoveLayeredPool(layered_pool);
+}
+
DictionaryValue* TransportClientSocketPool::GetInfoAsValue(
const std::string& name,
const std::string& type,
diff --git a/net/socket/transport_client_socket_pool.h b/net/socket/transport_client_socket_pool.h
index 055fae1..e3e6f02 100644
--- a/net/socket/transport_client_socket_pool.h
+++ b/net/socket/transport_client_socket_pool.h
@@ -165,6 +165,8 @@ class NET_EXPORT_PRIVATE TransportClientSocketPool : public ClientSocketPool {
virtual void Flush() OVERRIDE;
+ virtual bool IsStalled() const OVERRIDE;
+
virtual void CloseIdleSockets() OVERRIDE;
virtual int IdleSocketCount() const OVERRIDE;
@@ -176,6 +178,10 @@ class NET_EXPORT_PRIVATE TransportClientSocketPool : public ClientSocketPool {
const std::string& group_name,
const ClientSocketHandle* handle) const OVERRIDE;
+ virtual void AddLayeredPool(LayeredPool* layered_pool) OVERRIDE;
+
+ virtual void RemoveLayeredPool(LayeredPool* layered_pool) OVERRIDE;
+
virtual base::DictionaryValue* GetInfoAsValue(
const std::string& name,
const std::string& type,