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

Issue 2351513002: net: rename BoundNetLog to NetLogWithSource (Closed)
Patch Set: one more fix, content bound_net_log_ Created 4 years, 3 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_HOST_RESOLVER_H_ 5 #ifndef NET_DNS_HOST_RESOLVER_H_
6 #define NET_DNS_HOST_RESOLVER_H_ 6 #define NET_DNS_HOST_RESOLVER_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
11 #include <memory> 11 #include <memory>
12 #include <string> 12 #include <string>
13 13
14 #include "base/macros.h" 14 #include "base/macros.h"
15 #include "net/base/address_family.h" 15 #include "net/base/address_family.h"
16 #include "net/base/completion_callback.h" 16 #include "net/base/completion_callback.h"
17 #include "net/base/host_port_pair.h" 17 #include "net/base/host_port_pair.h"
18 #include "net/base/net_export.h" 18 #include "net/base/net_export.h"
19 #include "net/base/prioritized_dispatcher.h" 19 #include "net/base/prioritized_dispatcher.h"
20 #include "net/base/request_priority.h" 20 #include "net/base/request_priority.h"
21 #include "net/dns/host_cache.h" 21 #include "net/dns/host_cache.h"
22 22
23 namespace base { 23 namespace base {
24 class Value; 24 class Value;
25 } 25 }
26 26
27 namespace net { 27 namespace net {
28 28
29 class AddressList; 29 class AddressList;
30 class BoundNetLog; 30 class NetLogWithSource;
31 class HostResolverImpl; 31 class HostResolverImpl;
32 class HostResolverProc; 32 class HostResolverProc;
33 class NetLog; 33 class NetLog;
34 34
35 // This class represents the task of resolving hostnames (or IP address 35 // This class represents the task of resolving hostnames (or IP address
36 // literal) to an AddressList object. 36 // literal) to an AddressList object.
37 // 37 //
38 // HostResolver can handle multiple requests at a time, so when cancelling a 38 // HostResolver can handle multiple requests at a time, so when cancelling a
39 // request the RequestHandle that was returned by Resolve() needs to be 39 // request the RequestHandle that was returned by Resolve() needs to be
40 // given. A simpler alternative for consumers that only have 1 outstanding 40 // given. A simpler alternative for consumers that only have 1 outstanding
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175 // 175 //
176 // Requests can be cancelled any time by deletion of the [out_req]. Deleting 176 // Requests can be cancelled any time by deletion of the [out_req]. Deleting
177 // |out_req| will cancel the request, and cause |callback| not to be invoked. 177 // |out_req| will cancel the request, and cause |callback| not to be invoked.
178 // 178 //
179 // Profiling information for the request is saved to |net_log| if non-NULL. 179 // Profiling information for the request is saved to |net_log| if non-NULL.
180 virtual int Resolve(const RequestInfo& info, 180 virtual int Resolve(const RequestInfo& info,
181 RequestPriority priority, 181 RequestPriority priority,
182 AddressList* addresses, 182 AddressList* addresses,
183 const CompletionCallback& callback, 183 const CompletionCallback& callback,
184 std::unique_ptr<Request>* out_req, 184 std::unique_ptr<Request>* out_req,
185 const BoundNetLog& net_log) = 0; 185 const NetLogWithSource& net_log) = 0;
186 186
187 // Resolves the given hostname (or IP address literal) out of cache or HOSTS 187 // Resolves the given hostname (or IP address literal) out of cache or HOSTS
188 // file (if enabled) only. This is guaranteed to complete synchronously. 188 // file (if enabled) only. This is guaranteed to complete synchronously.
189 // This acts like |Resolve()| if the hostname is IP literal, or cached value 189 // This acts like |Resolve()| if the hostname is IP literal, or cached value
190 // or HOSTS entry exists. Otherwise, ERR_DNS_CACHE_MISS is returned. 190 // or HOSTS entry exists. Otherwise, ERR_DNS_CACHE_MISS is returned.
191 virtual int ResolveFromCache(const RequestInfo& info, 191 virtual int ResolveFromCache(const RequestInfo& info,
192 AddressList* addresses, 192 AddressList* addresses,
193 const BoundNetLog& net_log) = 0; 193 const NetLogWithSource& net_log) = 0;
194 194
195 // Enable or disable the built-in asynchronous DnsClient. 195 // Enable or disable the built-in asynchronous DnsClient.
196 virtual void SetDnsClientEnabled(bool enabled); 196 virtual void SetDnsClientEnabled(bool enabled);
197 197
198 // Returns the HostResolverCache |this| uses, or NULL if there isn't one. 198 // Returns the HostResolverCache |this| uses, or NULL if there isn't one.
199 // Used primarily to clear the cache and for getting debug information. 199 // Used primarily to clear the cache and for getting debug information.
200 virtual HostCache* GetHostCache(); 200 virtual HostCache* GetHostCache();
201 201
202 // Returns the current DNS configuration |this| is using, as a Value, or 202 // Returns the current DNS configuration |this| is using, as a Value, or
203 // nullptr if it's configured to always use the system host resolver. 203 // nullptr if it's configured to always use the system host resolver.
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235 protected: 235 protected:
236 HostResolver(); 236 HostResolver();
237 237
238 private: 238 private:
239 DISALLOW_COPY_AND_ASSIGN(HostResolver); 239 DISALLOW_COPY_AND_ASSIGN(HostResolver);
240 }; 240 };
241 241
242 } // namespace net 242 } // namespace net
243 243
244 #endif // NET_DNS_HOST_RESOLVER_H_ 244 #endif // NET_DNS_HOST_RESOLVER_H_
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