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Unified Diff: base/service_utils.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: base/service_utils.h
diff --git a/base/service_utils.h b/base/service_utils.h
deleted file mode 100644
index 103e3078e9c7bef22d6b309b52fad58cb88a2272..0000000000000000000000000000000000000000
--- a/base/service_utils.h
+++ /dev/null
@@ -1,143 +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.
-// ========================================================================
-//
-// Service-related utilities.
-
-#ifndef OMAHA_BASE_SERVICE_UTILS_H__
-#define OMAHA_BASE_SERVICE_UTILS_H__
-
-#include <windows.h>
-#include <atlstr.h>
-#include "base/basictypes.h"
-
-namespace omaha {
-
-// Utility functions for working with the SCM database.
-class ScmDatabase {
- public:
- // Callback function type for EnumerateServices. This gets called for each
- // service in the registry.
- //
- // @param callback_context Passed unchanged from the caller of
- // EnumerateServices to the callback function.
- // @param service_name The name of the service (not the display name but
- // rather the canonical name, to be used with e.g. ::OpenService()). Note
- // that because this function is based on enumerating the registry, it's
- // possible that services that were recently deleted will show up in the
- // enumeration; therefore, it should not be considered an error if you try
- // to ::OpenService() on this name and it fails with a last error of
- // ERROR_SERVICE_DOES_NOT_EXIST or possibly ERROR_INVALID_NAME (if
- // somebody messed up the registry by hand).
- //
- // @return S_OK to continue enumeration, S_FALSE or a COM error code to
- // stop enumeration. The return value will be propagated to the caller
- // of Enumerate.
- //
- // @note The initial version of this function used EnumServicesStatusEx
- // but it turns out the function is a fair bit flaky, not returning all
- // recently created (e.g. created but never started) services.
- typedef HRESULT(*EnumerateServicesCallback)(void* callback_context,
- const wchar_t* service_name);
-
- // Calls 'callback' for each of the services in the registry.
- //
- // @param callback Callback function to call
- // @param callback_context Passed unchanged to your callback function
- //
- // @return S_OK or a COM error code.
- static HRESULT EnumerateServices(EnumerateServicesCallback callback,
- void* callback_context);
-
- // Returns true iff the service passed in is in the indicated state.
- //
- // @param service An open handle to a service. The handle must have at
- // least SERVICE_QUERY_CONFIG rights.
- // @param state One of the SERVICE_XXX constants indicating the state of a
- // service (e.g. SERVICE_DISABLED).
- //
- // @return True iff 'service' is in state 'state'.
- static bool IsServiceStateEqual(SC_HANDLE service, DWORD state);
-
- // Returns true iff the service passed in has been marked deleted.
- //
- // @param service An open handle to a service. The handle must have at
- // least SERVICE_QUERY_CONFIG and SERVICE_CHANGE_CONFIG rights.
- //
- // @return True iff 'service' has been marked deleted.
- static bool IsServiceMarkedDeleted(SC_HANDLE service);
-
- private:
- DISALLOW_EVIL_CONSTRUCTORS(ScmDatabase);
-};
-
-// Utility functions for the service's installation, overinstall etc.
-class ServiceInstall {
- public:
-
- // Generates a versioned service name based on the current system time.
- static CString GenerateServiceName(const TCHAR* service_prefix);
-
- // Uninstalls all versions of the service other than the one that matches
- // the service name passed in. Pass in NULL to uninstall everything.
- static HRESULT UninstallServices(const TCHAR* service_prefix,
- const TCHAR* exclude_service);
-
- static bool IsServiceInstalled(const TCHAR* service_name);
-
- // @return True if the current service can be installed without rebooting,
- // false if a reboot is required before it can be installed. The cases
- // where the current service can be installed without rebooting are:
- // a) when no service exists with the current name
- // b) when there is an existing service with the current name but it is
- // not marked for deletion
- static bool CanInstallWithoutReboot();
-
- // Given a service name, stops it if it is already running.
- static HRESULT StopService(const CString& service_name);
-
- protected:
- // Context passed to the UninstallIfNotCurrent function; this is made a
- // parameter so we can unit test the function without mucking with the
- // "actual" services.
- struct UninstallByPrefixParams {
- CString prefix; // prefix of services we want to uninstall
- CString unless_matches; // name of current service, to not touch
- };
-
- // Uninstalls a given service if it matches a given prefix but does not match
- // a given full service name.
- //
- // This is an ScmDatabase::EnumerateServicesCallback function.
- //
- // @param context Pointer to an UninstallByPrefix structure.
- static HRESULT UninstallByPrefix(void* context, const wchar_t* service_name);
-
- private:
- DISALLOW_IMPLICIT_CONSTRUCTORS(ServiceInstall);
-};
-
-// Service utility functions for querying current state, and eventually more.
-class ServiceUtils {
- public:
- static bool IsServiceRunning(const TCHAR* service_name);
- static bool IsServiceDisabled(const TCHAR* service_name);
-
- private:
- DISALLOW_IMPLICIT_CONSTRUCTORS(ServiceUtils);
-};
-
-} // namespace omaha
-
-#endif // OMAHA_BASE_SERVICE_UTILS_H__
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