Generalize network_event_log -> device_event_log

chromeos/network/network_event_log.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_NETWORK_NETWORK_EVENT_LOG_H_
 #define CHROMEOS_NETWORK_NETWORK_EVENT_LOG_H_
 
 #include <deque>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "chromeos/chromeos_export.h"
+#include "chromeos/device_event_log.h"
 
 namespace base {
 class Value;
 }
 
 namespace chromeos {
 
 // Namespace for functions for logging network events.
 namespace network_event_log {
 
-// Used to determine which order to output event entries in GetAsString.
-enum StringOrder {
-  OLDEST_FIRST,
-  NEWEST_FIRST
-};
-
-// Used to set the detail level for logging.
-enum LogLevel {
-  LOG_LEVEL_ERROR = 0,
-  LOG_LEVEL_USER = 1,
-  LOG_LEVEL_EVENT = 2,
-  LOG_LEVEL_DEBUG = 3
-};
-
-// Default log level.
-CHROMEOS_EXPORT extern const LogLevel kDefaultLogLevel;
-
-// Initializes / shuts down network event logging. Calling Initialize more than
-// once will reset the log.
-CHROMEOS_EXPORT void Initialize();
-CHROMEOS_EXPORT void Shutdown();
-
-// Returns true if network event logging has been initialized.
-CHROMEOS_EXPORT bool IsInitialized();
-
 namespace internal {
 
-// Gets the maximum number of log entries.
-CHROMEOS_EXPORT size_t GetMaxLogEntries();
-
-// Sets the maximum number of entries to something other than the default. If
-// |max_entries| is less than the current maximum number of entries, this will
-// delete any existing entries in excess of |max_entries|.
-CHROMEOS_EXPORT void SetMaxLogEntries(size_t max_entries);
-
 // Adds an entry to the event log at level specified by |log_level|.
 // A maximum number of events are recorded after which new events replace
 // old ones. Error events are prioritized such that error events will only be
 // deleted if more than least half of the entries are errors (at which point
 // the oldest error entry will be replaced). Does nothing unless Initialize()
 // has been called. NOTE: Generally use NET_LOG instead.
 CHROMEOS_EXPORT void AddEntry(const char* file,
                               int file_line,
-                              LogLevel log_level,
+                              device_event_log::LogLevel log_level,
                               const std::string& event,
                               const std::string& description);
 
 }  // namespace internal
 
-// Outputs the log to a formatted string.
-// |order| determines which order to output the events.
-// |format| is a string that determines which elements to show. Elements
-// must be comma-separated, e.g. "time,desc".
-// Note: order of the format strings does not affect the output.
-//  "time" - Include a timestamp.
-//  "file" - Include file and line number.
-//  "desc" - Include the description.
-//  "html" - Include html tags.
-//  "json" - Return as JSON format
-// Only events with |log_level| <= |max_level| are included in the output.
-// If |max_events| > 0, limits how many events are output.
-// If |json| is specified, returns a JSON list of dictionaries containing time,
-// level, file, event, and description.
-CHROMEOS_EXPORT std::string GetAsString(StringOrder order,
-                                        const std::string& format,
-                                        LogLevel max_level,
-                                        size_t max_events);
-
 // Helper function for displaying a value as a string.
 CHROMEOS_EXPORT std::string ValueAsString(const base::Value& value);
 
 // Errors
-#define NET_LOG_ERROR(event, desc) NET_LOG_LEVEL(                       \
-    ::chromeos::network_event_log::LOG_LEVEL_ERROR, event, desc)
+#define NET_LOG_ERROR(event, desc) \
+  NET_LOG_LEVEL(::chromeos::device_event_log::LOG_LEVEL_ERROR, event, desc)
 
 // Chrome initiated events, e.g. connection requests, scan requests,
 // configuration removal (either from the UI or from ONC policy application).
-#define NET_LOG_USER(event, desc) NET_LOG_LEVEL(                        \
-    ::chromeos::network_event_log::LOG_LEVEL_USER, event, desc)
+#define NET_LOG_USER(event, desc) \
+  NET_LOG_LEVEL(::chromeos::device_event_log::LOG_LEVEL_USER, event, desc)
 
 // Important events, e.g. state updates
-#define NET_LOG_EVENT(event, desc) NET_LOG_LEVEL(                       \
-    ::chromeos::network_event_log::LOG_LEVEL_EVENT, event, desc)
+#define NET_LOG_EVENT(event, desc) \
+  NET_LOG_LEVEL(::chromeos::device_event_log::LOG_LEVEL_EVENT, event, desc)
 
 // Non-essential debugging events
-#define NET_LOG_DEBUG(event, desc) NET_LOG_LEVEL(                       \
-    ::chromeos::network_event_log::LOG_LEVEL_DEBUG, event, desc)
+#define NET_LOG_DEBUG(event, desc) \
+  NET_LOG_LEVEL(::chromeos::device_event_log::LOG_LEVEL_DEBUG, event, desc)
 
 // Macro to include file and line number info in the event log.
-#define NET_LOG_LEVEL(log_level, event, description)            \
-  ::chromeos::network_event_log::internal::AddEntry(            \
-      __FILE__, __LINE__, log_level, event, description)
+#define NET_LOG_LEVEL(log_level, event, description)                      \
+  ::chromeos::device_event_log::AddEntryWithDescription(                  \
+      __FILE__, __LINE__, ::chromeos::device_event_log::LOG_TYPE_NETWORK, \
+      log_level, event, description)
 
 }  // namespace network_event_log
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_EVENT_LOG_H_