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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 CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_ | 5 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_ |
| 6 #define CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_ | 6 #define CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 | 10 |
| (...skipping 87 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 98 // Returns true if at least one client is currently loading. | 98 // Returns true if at least one client is currently loading. |
| 99 bool HasLoadingClients() const; | 99 bool HasLoadingClients() const; |
| 100 | 100 |
| 101 // Update the priority for |request|. Modifies request->priority(), and may | 101 // Update the priority for |request|. Modifies request->priority(), and may |
| 102 // start the request loading if it wasn't already started. | 102 // start the request loading if it wasn't already started. |
| 103 void ReprioritizeRequest(net::URLRequest* request, | 103 void ReprioritizeRequest(net::URLRequest* request, |
| 104 net::RequestPriority new_priority, | 104 net::RequestPriority new_priority, |
| 105 int intra_priority_value); | 105 int intra_priority_value); |
| 106 | 106 |
| 107 private: | 107 private: |
| 108 // Returns true if limiting of outstanding requests is enabled. | |
| 109 bool limit_outstanding_requests() const { | |
| 110 return limit_outstanding_requests_; | |
| 111 } | |
| 112 | |
| 113 // Returns the outstanding request limit. Only valid if | |
| 114 // |IsLimitingOutstandingRequests()|. | |
| 115 size_t outstanding_request_limit() const { | |
| 116 return outstanding_request_limit_; | |
| 117 } | |
| 118 | |
| 119 // Returns the maximum number of delayable requests to all be in-flight at | 108 // Returns the maximum number of delayable requests to all be in-flight at |
| 120 // any point in time (across all hosts). | 109 // any point in time (across all hosts). |
| 121 size_t max_num_delayable_requests() const { | 110 size_t max_num_delayable_requests() const { |
| 122 return max_num_delayable_requests_; | 111 return max_num_delayable_requests_; |
| 123 } | 112 } |
| 124 | 113 |
| 125 class RequestQueue; | 114 class RequestQueue; |
| 126 class ScheduledResourceRequest; | 115 class ScheduledResourceRequest; |
| 127 struct RequestPriorityParams; | 116 struct RequestPriorityParams; |
| 128 struct ScheduledResourceSorter { | 117 struct ScheduledResourceSorter { |
| 129 bool operator()(const ScheduledResourceRequest* a, | 118 bool operator()(const ScheduledResourceRequest* a, |
| 130 const ScheduledResourceRequest* b) const; | 119 const ScheduledResourceRequest* b) const; |
| 131 }; | 120 }; |
| 132 class Client; | 121 class Client; |
| 133 | 122 |
| 134 typedef int64_t ClientId; | 123 typedef int64_t ClientId; |
| 135 typedef std::map<ClientId, Client*> ClientMap; | 124 typedef std::map<ClientId, Client*> ClientMap; |
| 136 typedef std::set<ScheduledResourceRequest*> RequestSet; | 125 typedef std::set<ScheduledResourceRequest*> RequestSet; |
| 137 | 126 |
| 138 // Called when a ScheduledResourceRequest is destroyed. | 127 // Called when a ScheduledResourceRequest is destroyed. |
| 139 void RemoveRequest(ScheduledResourceRequest* request); | 128 void RemoveRequest(ScheduledResourceRequest* request); |
| 140 | 129 |
| 141 // Returns the client ID for the given |child_id| and |route_id| combo. | 130 // Returns the client ID for the given |child_id| and |route_id| combo. |
| 142 ClientId MakeClientId(int child_id, int route_id); | 131 ClientId MakeClientId(int child_id, int route_id); |
| 143 | 132 |
| 144 // Returns the client for the given |child_id| and |route_id| combo. | 133 // Returns the client for the given |child_id| and |route_id| combo. |
| 145 Client* GetClient(int child_id, int route_id); | 134 Client* GetClient(int child_id, int route_id); |
| 146 | 135 |
| 147 ClientMap client_map_; | 136 ClientMap client_map_; |
| 148 bool limit_outstanding_requests_; | |
| 149 size_t outstanding_request_limit_; | |
| 150 size_t max_num_delayable_requests_; | 137 size_t max_num_delayable_requests_; |
| 151 RequestSet unowned_requests_; | 138 RequestSet unowned_requests_; |
| 152 | 139 |
| 153 DISALLOW_COPY_AND_ASSIGN(ResourceScheduler); | 140 DISALLOW_COPY_AND_ASSIGN(ResourceScheduler); |
| 154 }; | 141 }; |
| 155 | 142 |
| 156 } // namespace content | 143 } // namespace content |
| 157 | 144 |
| 158 #endif // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_ | 145 #endif // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_ |
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