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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // A ClientSocketPoolBase is used to restrict the number of sockets open at | 5 // A ClientSocketPoolBase is used to restrict the number of sockets open at |
6 // a time. It also maintains a list of idle persistent sockets for reuse. | 6 // a time. It also maintains a list of idle persistent sockets for reuse. |
7 // Subclasses of ClientSocketPool should compose ClientSocketPoolBase to handle | 7 // Subclasses of ClientSocketPool should compose ClientSocketPoolBase to handle |
8 // the core logic of (1) restricting the number of active (connected or | 8 // the core logic of (1) restricting the number of active (connected or |
9 // connecting) sockets per "group" (generally speaking, the hostname), (2) | 9 // connecting) sockets per "group" (generally speaking, the hostname), (2) |
10 // maintaining a per-group list of idle, persistent sockets for reuse, and (3) | 10 // maintaining a per-group list of idle, persistent sockets for reuse, and (3) |
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23 #define NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_ | 23 #define NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_ |
24 | 24 |
25 #include <deque> | 25 #include <deque> |
26 #include <list> | 26 #include <list> |
27 #include <map> | 27 #include <map> |
28 #include <set> | 28 #include <set> |
29 #include <string> | 29 #include <string> |
30 #include <vector> | 30 #include <vector> |
31 | 31 |
32 #include "base/basictypes.h" | 32 #include "base/basictypes.h" |
33 #include "base/compiler_specific.h" | |
wtc
2013/03/26 19:29:16
Just curious: do you need to add this header, or i
mmenke
2013/03/26 19:36:26
I noticed it was missing, and added it. It really
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33 #include "base/memory/ref_counted.h" | 34 #include "base/memory/ref_counted.h" |
34 #include "base/memory/scoped_ptr.h" | 35 #include "base/memory/scoped_ptr.h" |
35 #include "base/memory/weak_ptr.h" | 36 #include "base/memory/weak_ptr.h" |
36 #include "base/time.h" | 37 #include "base/time.h" |
37 #include "base/timer.h" | 38 #include "base/timer.h" |
38 #include "net/base/address_list.h" | 39 #include "net/base/address_list.h" |
39 #include "net/base/completion_callback.h" | 40 #include "net/base/completion_callback.h" |
40 #include "net/base/load_states.h" | 41 #include "net/base/load_states.h" |
41 #include "net/base/load_timing_info.h" | 42 #include "net/base/load_timing_info.h" |
42 #include "net/base/net_errors.h" | 43 #include "net/base/net_errors.h" |
43 #include "net/base/net_export.h" | 44 #include "net/base/net_export.h" |
44 #include "net/base/net_log.h" | 45 #include "net/base/net_log.h" |
45 #include "net/base/network_change_notifier.h" | 46 #include "net/base/network_change_notifier.h" |
46 #include "net/base/request_priority.h" | 47 #include "net/base/request_priority.h" |
47 #include "net/socket/client_socket_pool.h" | 48 #include "net/socket/client_socket_pool.h" |
48 #include "net/socket/stream_socket.h" | 49 #include "net/socket/stream_socket.h" |
49 | 50 |
50 namespace net { | 51 namespace net { |
51 | 52 |
52 class ClientSocketHandle; | 53 class ClientSocketHandle; |
53 | 54 |
54 // Returns the client socket reuse policy. | |
55 NET_EXPORT_PRIVATE int GetSocketReusePolicy(); | |
56 | |
57 // Sets the client socket reuse policy. | |
58 // NOTE: 'policy' should be a valid ClientSocketReusePolicy enum value. | |
59 NET_EXPORT void SetSocketReusePolicy(int policy); | |
60 | |
61 // ConnectJob provides an abstract interface for "connecting" a socket. | 55 // ConnectJob provides an abstract interface for "connecting" a socket. |
62 // The connection may involve host resolution, tcp connection, ssl connection, | 56 // The connection may involve host resolution, tcp connection, ssl connection, |
63 // etc. | 57 // etc. |
64 class NET_EXPORT_PRIVATE ConnectJob { | 58 class NET_EXPORT_PRIVATE ConnectJob { |
65 public: | 59 public: |
66 class NET_EXPORT_PRIVATE Delegate { | 60 class NET_EXPORT_PRIVATE Delegate { |
67 public: | 61 public: |
68 Delegate() {} | 62 Delegate() {} |
69 virtual ~Delegate() {} | 63 virtual ~Delegate() {} |
70 | 64 |
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154 public NetworkChangeNotifier::IPAddressObserver { | 148 public NetworkChangeNotifier::IPAddressObserver { |
155 public: | 149 public: |
156 typedef uint32 Flags; | 150 typedef uint32 Flags; |
157 | 151 |
158 // Used to specify specific behavior for the ClientSocketPool. | 152 // Used to specify specific behavior for the ClientSocketPool. |
159 enum Flag { | 153 enum Flag { |
160 NORMAL = 0, // Normal behavior. | 154 NORMAL = 0, // Normal behavior. |
161 NO_IDLE_SOCKETS = 0x1, // Do not return an idle socket. Create a new one. | 155 NO_IDLE_SOCKETS = 0x1, // Do not return an idle socket. Create a new one. |
162 }; | 156 }; |
163 | 157 |
164 enum ClientSocketReusePolicy { | |
165 // Socket with largest amount of bytes transferred. | |
166 USE_WARMEST_SOCKET = 0, | |
167 | |
168 // Socket which scores highest on large bytes transferred and low idle time. | |
169 USE_WARM_SOCKET = 1, | |
170 | |
171 // Socket which was most recently used. | |
172 USE_LAST_ACCESSED_SOCKET = 2, | |
173 }; | |
174 | |
175 class NET_EXPORT_PRIVATE Request { | 158 class NET_EXPORT_PRIVATE Request { |
176 public: | 159 public: |
177 Request(ClientSocketHandle* handle, | 160 Request(ClientSocketHandle* handle, |
178 const CompletionCallback& callback, | 161 const CompletionCallback& callback, |
179 RequestPriority priority, | 162 RequestPriority priority, |
180 bool ignore_limits, | 163 bool ignore_limits, |
181 Flags flags, | 164 Flags flags, |
182 const BoundNetLog& net_log); | 165 const BoundNetLog& net_log); |
183 | 166 |
184 virtual ~Request(); | 167 virtual ~Request(); |
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814 // Histograms for the pool | 797 // Histograms for the pool |
815 ClientSocketPoolHistograms* const histograms_; | 798 ClientSocketPoolHistograms* const histograms_; |
816 internal::ClientSocketPoolBaseHelper helper_; | 799 internal::ClientSocketPoolBaseHelper helper_; |
817 | 800 |
818 DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolBase); | 801 DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolBase); |
819 }; | 802 }; |
820 | 803 |
821 } // namespace net | 804 } // namespace net |
822 | 805 |
823 #endif // NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_ | 806 #endif // NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_ |
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