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Unified Diff: common/event_logger.h

Issue 624713003: Keep only base/extractor.[cc|h]. (Closed) Base URL: https://chromium.googlesource.com/external/omaha.git@master
Patch Set: Created 6 years, 2 months ago
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Index: common/event_logger.h
diff --git a/common/event_logger.h b/common/event_logger.h
deleted file mode 100644
index 8a2c89f56412762ee03f3d03994da5b784b8473a..0000000000000000000000000000000000000000
--- a/common/event_logger.h
+++ /dev/null
@@ -1,151 +0,0 @@
-// Copyright 2007-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// Event Logger provides a simple mechanism to log events to Windows
-// Event Log. A few overloads are defined to simplify logging by reducing
-// the number of parameters that must be provided. The overloads are
-// implemented in terms of the EventLogger class.
-//
-// The event logging works in both debug and optimized builds. This is not
-// a substitute for the debug log. Instead it is a way to provide some level
-// of transparency into what Google Update is doing at runtime and to help
-// diagnosing end user issues.
-//
-// Familiarity with Windows Event Log is helpful in understanding how
-// these wrappers are to be used. Windows Event Log uses localized strings
-// in a message file and it substitutes string insterts that correspond to
-// formatting characters in the message string. In addtion, the log is able
-// to record raw data, herein provided by a context string, which may be
-// useful to provide some context around the formatted message.
-
-// TODO(omaha): Provide some control for the verbosity level in the log.
-// TODO(omaha): Perhaps there is a better way to define the overloaded
-// wrappers below. I chose a compromise between the easy of use while not
-// mixing up different string parameters that have different meanings.
-
-#ifndef OMAHA_COMMON_EVENT_LOGGER_H_
-#define OMAHA_COMMON_EVENT_LOGGER_H_
-
-#include <atlstr.h>
-#include "base/basictypes.h"
-
-namespace omaha {
-
-void LogEventHelper(WORD type, DWORD id, size_t count, const TCHAR** strings,
- const TCHAR* ctx);
-
-// Logs an event to the Application log
-inline void LogEvent(WORD type, DWORD id) {
- LogEventHelper(type, id, 0, NULL, NULL);
-}
-
-inline void LogEvent(WORD type, DWORD id, const TCHAR* s) {
- const TCHAR* strings[] = {s};
- LogEventHelper(type, id, arraysize(strings), strings, NULL);
-}
-
-inline void LogEvent(WORD type, DWORD id, const TCHAR* s1, const TCHAR* s2) {
- const TCHAR* strings[] = {s1, s2};
- LogEventHelper(type, id, arraysize(strings), strings, NULL);
-}
-
-inline void LogEvent(WORD type, DWORD id, const TCHAR* s1, const TCHAR* s2,
- const TCHAR* s3) {
- const TCHAR* strings[] = {s1, s2, s3};
- LogEventHelper(type, id, arraysize(strings), strings, NULL);
-}
-
-// Logs an event to the Application log with a context string.
-inline void LogEventContext(WORD type, DWORD id, const TCHAR* ctx) {
- LogEventHelper(type, id, 0, NULL, ctx);
-}
-
-inline void LogEventContext(WORD type, DWORD id, const TCHAR* s,
- const TCHAR* ctx) {
- const TCHAR* strings[] = {s};
- LogEventHelper(type, id, arraysize(strings), strings, ctx);
-}
-
-inline void LogEventContext(WORD type, DWORD id, const TCHAR* s1,
- const TCHAR* s2, const TCHAR* ctx) {
- const TCHAR* strings[] = {s1, s2};
- LogEventHelper(type, id, arraysize(strings), strings, ctx);
-}
-
-inline void LogEventContext(WORD type, DWORD id, const TCHAR* s1,
- const TCHAR* s2, const TCHAR* s3,
- const TCHAR* ctx) {
- const TCHAR* strings[] = {s1, s2, s3};
- LogEventHelper(type, id, arraysize(strings), strings, ctx);
-}
-
-class EventLogger {
- public:
- // Creates an event source for the "Application" log so that EventViewer can
- // map event identifier codes to message strings.
- static HRESULT AddEventSource(
- const TCHAR* src_name, // Event source name.
- const TCHAR* msg_dll_path); // Path for message DLL.
-
- static HRESULT RemoveEventSource(
- const TCHAR* src_name); // Event source name.
-
- // Writes an entry at the end of event log that contains the source name.
- static HRESULT ReportEvent(
- const TCHAR* src_name, // Event source name.
- WORD type, // Type of the event to be logged.
- WORD category, // Event category.
- DWORD id, // Event identifier.
- WORD count, // Count of insert strings.
- const TCHAR** strings, // Insert strings.
- size_t buf_size, // Size of binary data to append.
- void* buffer); // Buffer containing the binary data.
-
- // Reads the topmost event log record.
- static HRESULT ReadLastEvent(const TCHAR* src_name, EVENTLOGRECORD* rec);
-
- // Default name for the event source.
- static const TCHAR* const kSourceName;
-
- // Default event category.
- static const WORD kDefaultCategory = 0;
-};
-
-class GoogleUpdateLogEvent {
- public:
- GoogleUpdateLogEvent(int type, int id, bool is_machine)
- : type_(type),
- id_(id),
- is_machine_(is_machine) {}
- GoogleUpdateLogEvent() : type_(0), id_(0), is_machine_(false) {}
- ~GoogleUpdateLogEvent() {}
- void WriteEvent();
- void set_event_desc(const CString& desc) { event_desc_ = desc; }
- void set_event_text(const CString& text) { event_text_ = text; }
-
- private:
- CString event_desc_;
- CString event_text_;
- int type_;
- int id_;
- bool is_machine_;
-
- DISALLOW_EVIL_CONSTRUCTORS(GoogleUpdateLogEvent);
-};
-
-} // namespace omaha
-
-#endif // OMAHA_COMMON_EVENT_LOGGER_H_
-
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