IWMSLoggingAdmin Interface
The IWMSLoggingAdmin interface is exposed by the WMS Client Logging plug-in, an event plug-in that listens for a log event and saves information gathered from that event to a log file. The logging plug-in can be installed in the namespace of both the server and a specific publishing point. Instances of the plug-in at the server level receive all notifications on all requested events. Instances of the plug-in at the publishing point level receive only events that are related to the specific publishing point.
In addition to the methods inherited from IDispatch, the IWMSLoggingAdmin interface exposes the following methods.
Method |
Description |
---|---|
CycleNow |
Forces a log file cycle. |
ExpandTemplate |
Retrieves the expanded path of a template. |
Flush |
Flushes the buffer to the log file. |
get_CurrentLogFileName |
Retrieves the name of the current log file. |
get_Cycle |
Retrieves an enumeration value indicating how often the log file cycles. |
get_Dirty |
Retrieves a Boolean value that indicates whether the currently running configuration is different from the stored configuration. |
get_FreeSpaceQuota |
Retrieves the minimum percentage of disk space that must remain available after data has been written to a log file. |
get_LoggedEvents |
Retrieves an enumeration value indicating the types of transmissions for which events are logged. |
get_MaxSize |
Retrieves the maximum permitted size of a log file. |
get_RoleFilter |
Retrieves a filter value for logging events with a specific role attribute. |
get_Template |
Retrieves the log file template path. |
get_UseBuffering |
Retrieves a Boolean value that indicates whether logging data is buffered before it is flushed to the log file. |
get_UseLocalTime |
Retrieves a Boolean value indicating whether times in the log file are recorded in local time. |
get_UseUnicode |
Retrieves a Boolean value indicating whether the log file contains Unicode or ANSI text. |
get_V4Compat |
Retrieves a Boolean value indicating whether log files are created in a format that is compatible with previous versions of Windows Media Services. |
IsPathValid |
Validates the path to the log file. |
put_Cycle |
Specifies an enumeration value indicating how often the log file cycles. |
put_FreeSpaceQuota |
Specifies the minimum percentage of disk space that must remain available after data has been written to a log file. |
put_LoggedEvents |
Specifies an enumeration value indicating the types of transmissions for which events are logged. |
put_MaxSize |
Specifies the maximum permitted size of a log file. |
put_RoleFilter |
Specifies a filter value for logging events with a specific role attribute. |
put_Template |
Specifies the log file template path. |
put_UseBuffering |
Specifies a Boolean value that indicates whether logging data is buffered before it is flushed to the log file. |
put_UseLocalTime |
Specifies a Boolean value indicating whether times in the log file are recorded in local time. |
put_UseUnicode |
Specifies a Boolean value indicating whether the log file contains Unicode or ANSI text. |
put_V4Compat |
Specifies a Boolean value indicating whether log files are created in a format that is compatible with previous versions of Windows Media Services. |
Example
The following example illustrates how to retrieve a pointer to an IWMSLoggingAdmin interface
#include <windows.h>
#include <atlbase.h> // Includes CComVariant.
// To access system plug-in interfaces, the
// entire type library must be imported as shown.
#import "WMSServerTypeLib.dll" no_namespace named_guids \
raw_interfaces_only
// Declare variables and interfaces.
IWMSServer *pServer;
IWMSPlugins *pPlugins;
IWMSPlugin *pPlugin;
IDispatch *pDispatch;
IWMSLoggingAdmin *pLogAdmin;
HRESULT hr;
CComVariant varIndex;
// Initialize the COM library and retrieve a pointer
// to an IWMSServer interface.
hr = CoInitialize(NULL);
hr = CoCreateInstance(CLSID_WMSServer,
NULL,
CLSCTX_ALL,
IID_IWMSServer,
(void **)&pServer);
if (FAILED(hr)) goto EXIT;
// Retrieve a pointer to an IWMSPlugins interface
// containing event handler plug-ins.
hr = pServer->get_EventHandlers(&pPlugins);
if (FAILED(hr)) goto EXIT;
// Retrieve a pointer to the IWMSPlugin interface
// of the plug-in to be configured.
varIndex = "WMS Client Logging";
hr = pPlugins->get_Item(varIndex, &pPlugin);
if (FAILED(hr)) goto EXIT;
// Retrieve a pointer to the custom interface
// of the plug-in.
hr = pPlugin->get_CustomInterface(&pDispatch);
if (FAILED(hr)) goto EXIT;
// Query the specific administration interface
// for the plug-in.
hr = pDispatch->QueryInterface(IID_IWMSLoggingAdmin,
(void **)&pLogAdmin);
if (FAILED(hr)) goto EXIT;
EXIT:
// TODO: Release temporary COM objects and uninitialize COM.