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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef NET_SOCKET_CLIENT_SOCKET_POOL_H_ | 5 #ifndef NET_SOCKET_CLIENT_SOCKET_POOL_H_ |
6 #define NET_SOCKET_CLIENT_SOCKET_POOL_H_ | 6 #define NET_SOCKET_CLIENT_SOCKET_POOL_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <deque> | 9 #include <deque> |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "base/time.h" | 14 #include "base/time.h" |
15 #include "base/template_util.h" | 15 #include "base/template_util.h" |
16 #include "net/base/completion_callback.h" | 16 #include "net/base/completion_callback.h" |
17 #include "net/base/host_resolver.h" | 17 #include "net/base/host_resolver.h" |
18 #include "net/base/load_states.h" | 18 #include "net/base/load_states.h" |
19 #include "net/base/net_api.h" | 19 #include "net/base/net_export.h" |
20 #include "net/base/request_priority.h" | 20 #include "net/base/request_priority.h" |
21 | 21 |
22 namespace base { | 22 namespace base { |
23 class DictionaryValue; | 23 class DictionaryValue; |
24 } | 24 } |
25 | 25 |
26 namespace net { | 26 namespace net { |
27 | 27 |
28 class ClientSocketHandle; | 28 class ClientSocketHandle; |
29 class ClientSocketPoolHistograms; | 29 class ClientSocketPoolHistograms; |
30 class StreamSocket; | 30 class StreamSocket; |
31 | 31 |
32 // A ClientSocketPool is used to restrict the number of sockets open at a time. | 32 // A ClientSocketPool is used to restrict the number of sockets open at a time. |
33 // It also maintains a list of idle persistent sockets. | 33 // It also maintains a list of idle persistent sockets. |
34 // | 34 // |
35 class NET_API ClientSocketPool { | 35 class NET_EXPORT ClientSocketPool { |
36 public: | 36 public: |
37 // Requests a connected socket for a group_name. | 37 // Requests a connected socket for a group_name. |
38 // | 38 // |
39 // There are five possible results from calling this function: | 39 // There are five possible results from calling this function: |
40 // 1) RequestSocket returns OK and initializes |handle| with a reused socket. | 40 // 1) RequestSocket returns OK and initializes |handle| with a reused socket. |
41 // 2) RequestSocket returns OK with a newly connected socket. | 41 // 2) RequestSocket returns OK with a newly connected socket. |
42 // 3) RequestSocket returns ERR_IO_PENDING. The handle will be added to a | 42 // 3) RequestSocket returns ERR_IO_PENDING. The handle will be added to a |
43 // wait list until a socket is available to reuse or a new socket finishes | 43 // wait list until a socket is available to reuse or a new socket finishes |
44 // connecting. |priority| will determine the placement into the wait list. | 44 // connecting. |priority| will determine the placement into the wait list. |
45 // 4) An error occurred early on, so RequestSocket returns an error code. | 45 // 4) An error occurred early on, so RequestSocket returns an error code. |
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187 const scoped_refptr<SocketParams>& params, | 187 const scoped_refptr<SocketParams>& params, |
188 int num_sockets, | 188 int num_sockets, |
189 const BoundNetLog& net_log) { | 189 const BoundNetLog& net_log) { |
190 CheckIsValidSocketParamsForPool<PoolType, SocketParams>(); | 190 CheckIsValidSocketParamsForPool<PoolType, SocketParams>(); |
191 pool->RequestSockets(group_name, ¶ms, num_sockets, net_log); | 191 pool->RequestSockets(group_name, ¶ms, num_sockets, net_log); |
192 } | 192 } |
193 | 193 |
194 } // namespace net | 194 } // namespace net |
195 | 195 |
196 #endif // NET_SOCKET_CLIENT_SOCKET_POOL_H_ | 196 #endif // NET_SOCKET_CLIENT_SOCKET_POOL_H_ |
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