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Side by Side Diff: net/dns/dns_socket_pool.h

Issue 266243004: Clang format slam. Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months ago
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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 #ifndef NET_DNS_DNS_SOCKET_POOL_H_ 5 #ifndef NET_DNS_DNS_SOCKET_POOL_H_
6 #define NET_DNS_DNS_SOCKET_POOL_H_ 6 #define NET_DNS_DNS_SOCKET_POOL_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/memory/scoped_ptr.h" 10 #include "base/memory/scoped_ptr.h"
11 #include "net/base/net_export.h" 11 #include "net/base/net_export.h"
12 #include "net/base/net_log.h" 12 #include "net/base/net_log.h"
13 13
14 namespace net { 14 namespace net {
15 15
16 class ClientSocketFactory; 16 class ClientSocketFactory;
17 class DatagramClientSocket; 17 class DatagramClientSocket;
18 class IPEndPoint; 18 class IPEndPoint;
19 class NetLog; 19 class NetLog;
20 class StreamSocket; 20 class StreamSocket;
21 21
22 // A DnsSocketPool is an abstraction layer around a ClientSocketFactory that 22 // A DnsSocketPool is an abstraction layer around a ClientSocketFactory that
23 // allows preallocation, reuse, or other strategies to manage sockets connected 23 // allows preallocation, reuse, or other strategies to manage sockets connected
24 // to DNS servers. 24 // to DNS servers.
25 class NET_EXPORT_PRIVATE DnsSocketPool { 25 class NET_EXPORT_PRIVATE DnsSocketPool {
26 public: 26 public:
27 virtual ~DnsSocketPool() { } 27 virtual ~DnsSocketPool() {}
28 28
29 // Creates a DnsSocketPool that implements the default strategy for managing 29 // Creates a DnsSocketPool that implements the default strategy for managing
30 // sockets. (This varies by platform; see DnsSocketPoolImpl in 30 // sockets. (This varies by platform; see DnsSocketPoolImpl in
31 // dns_socket_pool.cc for details.) 31 // dns_socket_pool.cc for details.)
32 static scoped_ptr<DnsSocketPool> CreateDefault( 32 static scoped_ptr<DnsSocketPool> CreateDefault(ClientSocketFactory* factory);
33 ClientSocketFactory* factory);
34 33
35 // Creates a DnsSocketPool that implements a "null" strategy -- no sockets are 34 // Creates a DnsSocketPool that implements a "null" strategy -- no sockets are
36 // preallocated, allocation requests are satisfied by calling the factory 35 // preallocated, allocation requests are satisfied by calling the factory
37 // directly, and returned sockets are deleted immediately. 36 // directly, and returned sockets are deleted immediately.
38 static scoped_ptr<DnsSocketPool> CreateNull( 37 static scoped_ptr<DnsSocketPool> CreateNull(ClientSocketFactory* factory);
39 ClientSocketFactory* factory);
40 38
41 // Initializes the DnsSocketPool. |nameservers| is the list of nameservers 39 // Initializes the DnsSocketPool. |nameservers| is the list of nameservers
42 // for which the DnsSocketPool will manage sockets; |net_log| is the NetLog 40 // for which the DnsSocketPool will manage sockets; |net_log| is the NetLog
43 // used when constructing sockets with the factory. 41 // used when constructing sockets with the factory.
44 // 42 //
45 // Initialize may not be called more than once, and must be called before 43 // Initialize may not be called more than once, and must be called before
46 // calling AllocateSocket or FreeSocket. 44 // calling AllocateSocket or FreeSocket.
47 virtual void Initialize( 45 virtual void Initialize(const std::vector<IPEndPoint>* nameservers,
48 const std::vector<IPEndPoint>* nameservers, 46 NetLog* net_log) = 0;
49 NetLog* net_log) = 0;
50 47
51 // Allocates a socket that is already connected to the nameserver referenced 48 // Allocates a socket that is already connected to the nameserver referenced
52 // by |server_index|. May return a scoped_ptr to NULL if no sockets are 49 // by |server_index|. May return a scoped_ptr to NULL if no sockets are
53 // available to reuse and the factory fails to produce a socket (or produces 50 // available to reuse and the factory fails to produce a socket (or produces
54 // one on which Connect fails). 51 // one on which Connect fails).
55 virtual scoped_ptr<DatagramClientSocket> AllocateSocket( 52 virtual scoped_ptr<DatagramClientSocket> AllocateSocket(
56 unsigned server_index) = 0; 53 unsigned server_index) = 0;
57 54
58 // Frees a socket allocated by AllocateSocket. |server_index| must be the 55 // Frees a socket allocated by AllocateSocket. |server_index| must be the
59 // same index passed to AllocateSocket. 56 // same index passed to AllocateSocket.
60 virtual void FreeSocket( 57 virtual void FreeSocket(unsigned server_index,
61 unsigned server_index, 58 scoped_ptr<DatagramClientSocket> socket) = 0;
62 scoped_ptr<DatagramClientSocket> socket) = 0;
63 59
64 // Creates a StreamSocket from the factory for a transaction over TCP. These 60 // Creates a StreamSocket from the factory for a transaction over TCP. These
65 // sockets are not pooled. 61 // sockets are not pooled.
66 scoped_ptr<StreamSocket> CreateTCPSocket( 62 scoped_ptr<StreamSocket> CreateTCPSocket(unsigned server_index,
67 unsigned server_index, 63 const NetLog::Source& source);
68 const NetLog::Source& source);
69 64
70 protected: 65 protected:
71 DnsSocketPool(ClientSocketFactory* socket_factory); 66 DnsSocketPool(ClientSocketFactory* socket_factory);
72 67
73 void InitializeInternal( 68 void InitializeInternal(const std::vector<IPEndPoint>* nameservers,
74 const std::vector<IPEndPoint>* nameservers, 69 NetLog* net_log);
75 NetLog* net_log);
76 70
77 scoped_ptr<DatagramClientSocket> CreateConnectedSocket( 71 scoped_ptr<DatagramClientSocket> CreateConnectedSocket(unsigned server_index);
78 unsigned server_index);
79 72
80 private: 73 private:
81 ClientSocketFactory* socket_factory_; 74 ClientSocketFactory* socket_factory_;
82 NetLog* net_log_; 75 NetLog* net_log_;
83 const std::vector<IPEndPoint>* nameservers_; 76 const std::vector<IPEndPoint>* nameservers_;
84 bool initialized_; 77 bool initialized_;
85 78
86 DISALLOW_COPY_AND_ASSIGN(DnsSocketPool); 79 DISALLOW_COPY_AND_ASSIGN(DnsSocketPool);
87 }; 80 };
88 81
89 } // namespace net 82 } // namespace net
90 83
91 #endif // NET_DNS_DNS_SOCKET_POOL_H_ 84 #endif // NET_DNS_DNS_SOCKET_POOL_H_
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