Difference between revisions of "Unit Logging"

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----
 
----
  
−
'''Ultibo Logging interface unit'''
+
'''Ultibo Logging Interface unit'''
−
 
+
−
''To be documented''
+
  
 
=== Constants ===
 
=== Constants ===
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|-
 
|-
 
| <code>LOGGING_TYPE_SERIAL = 4;</code>
 
| <code>LOGGING_TYPE_SERIAL = 4;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>LOGGING_TYPE_MAX = 4;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
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|-
 
|-
 
| <code>LOGGING_STATE_ENABLED = 1;</code>
 
| <code>LOGGING_STATE_ENABLED = 1;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>LOGGING_STATE_MAX = 1;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
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|-
 
|-
 
| <code>LOGGING_FLAG_NONE = $00000000;</code>
 
| <code>LOGGING_FLAG_NONE = $00000000;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''Console logging''' <code> CONSOLE_LOGGING_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>CONSOLE_LOGGING_DESCRIPTION = 'Console Logging';</code>
 
| style="width: 50%;"|&nbsp;
 
| style="width: 50%;"|&nbsp;
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
|colspan="2"|Note: Overlayed on TMessage to avoid memory allocation on each output
+
|colspan="2"|Note: Overlaid on TMessage to avoid memory allocation on each output
 
|-
 
|-
 
| <code>Data:String;</code>
 
| <code>Data:String;</code>
−
| TMessage.Msg:LongWord
+
| TMessage.Msg:PtrUInt
 
|-
 
|-
−
| <code>Reserved1:LongInt;</code>
+
| <code>Reserved1:PtrUInt;</code>
−
| TMessage.wParam:LongInt
+
| TMessage.wParam:PtrUInt
 
|-
 
|-
−
| <code>Reserved2:LongInt;</code>
+
| <code>Reserved2:PtrInt;</code>
−
| TMessage.lParam:LongInt
+
| TMessage.lParam:PtrInt
 
|-
 
|-
 
| <code>Reserved3:LongWord;</code>
 
| <code>Reserved3:LongWord;</code>
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
|colspan="2"|Note: Overlayed on TMessage to avoid memory allocation on each output
+
|colspan="2"|Note: Overlaid on TMessage to avoid memory allocation on each output
 
|-
 
|-
 
| <code>Content:String;</code>
 
| <code>Content:String;</code>
−
| TMessage.Msg:LongWord
+
| TMessage.Msg:PtrUInt
 
|-
 
|-
 
| <code>Tag:String;</code>
 
| <code>Tag:String;</code>
−
| TMessage.wParam:LongInt
+
| TMessage.wParam:PtrUInt
 
|-
 
|-
−
| <code>Severity:LongInt;</code>
+
| <code>Severity:PtrInt;</code>
−
| TMessage.lParam:LongInt
+
| TMessage.lParam:PtrInt
 
|-
 
|-
 
| <code>Facility:LongWord;</code>
 
| <code>Facility:LongWord;</code>
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|-
 
|-
 
| <code>Logging:TLoggingDevice;</code>
 
| <code>Logging:TLoggingDevice;</code>
−
| style="width: 50%;"|&nbsp;
+
| &nbsp;
 
|-
 
|-
 
|colspan="2"|''Console Properties''
 
|colspan="2"|''Console Properties''
 
|-
 
|-
 
| <code>Console:PConsoleDevice;</code>
 
| <code>Console:PConsoleDevice;</code>
−
| &nbsp;
+
| The console device for logging output
 
|-
 
|-
 
| <code>Window:TWindowHandle;</code>
 
| <code>Window:TWindowHandle;</code>
−
| &nbsp;
+
| The console window for logging output
 +
|-
 +
| <code>Existing:LongBool;</code>
 +
| True if the console window already existed when logging started
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Return'''
+
! Default
 +
| If true allow the new device the default logging device if there is no current default
 +
|-
 +
! Return
 
| Pointer to new Logging device entry or nil if Logging device could not be created
 
| Pointer to new Logging device entry or nil if Logging device could not be created
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Size'''
+
! Size
 
| Size in bytes to allocate for new Logging (Including the Logging entry)
 
| Size in bytes to allocate for new Logging (Including the Logging entry)
 
|-
 
|-
−
! '''Return'''
+
! Default
 +
| If true allow the new device the default logging device if there is no current default
 +
|-
 +
! Return
 
| Pointer to new Logging device entry or nil if Logging device could not be created
 
| Pointer to new Logging device entry or nil if Logging device could not be created
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<pre style="border: 0; padding-bottom:0px;">function ConsoleLoggingStart(Logging:PLoggingDevice):LongWord;</pre>
 
<pre style="border: 0; padding-bottom:0px;">function ConsoleLoggingStart(Logging:PLoggingDevice):LongWord;</pre>
−
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
+
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of LoggingDeviceStart API for Console Logging</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
−
| None documented
+
| Not intended to be called directly by applications, use LoggingDeviceStart instead.
 
|-
 
|-
 
|}
 
|}
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<pre style="border: 0; padding-bottom:0px;">function ConsoleLoggingStop(Logging:PLoggingDevice):LongWord;</pre>
 
<pre style="border: 0; padding-bottom:0px;">function ConsoleLoggingStop(Logging:PLoggingDevice):LongWord;</pre>
−
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
+
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of LoggingDeviceStop API for Console Logging</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
−
| None documented
+
| Not intended to be called directly by applications, use LoggingDeviceStop instead.
 
|-
 
|-
 
|}
 
|}
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<pre style="border: 0; padding-bottom:0px;">function ConsoleLoggingOutput(Logging:PLoggingDevice; const Data:String):LongWord;</pre>
 
<pre style="border: 0; padding-bottom:0px;">function ConsoleLoggingOutput(Logging:PLoggingDevice; const Data:String):LongWord;</pre>
−
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
+
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of LoggingDeviceOutput API for Console Logging</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
−
| None documented
+
| Not intended to be called directly by applications, use LoggingDeviceOutput instead.
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function ConsoleLoggingSetTarget(Logging:PLoggingDevice; const Target:String):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Implementation of LoggingDeviceSetTarget API for Console Logging</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| Not intended to be called directly by applications, use LoggingDeviceSetTarget instead.
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
 
 +
'''RTL text IO functions'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function SysTextIOWriteChar(ACh:Char; AUserData:Pointer):Boolean;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Handler for platform TextIOWriteChar function</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| Not intended to be called directly by applications
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function SysTextIOWriteBuffer(ABuffer:PChar; ACount:LongInt; AUserData:Pointer):LongInt;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Handler for platform TextIOWriteBuffer function</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| Not intended to be called directly by applications
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function LoggingDeviceGetCount:LongWord; inline;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function LoggingDeviceGetCount:LongWord;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current logging device count</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current logging device count</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function LoggingDeviceGetDefault:PLoggingDevice; inline;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function LoggingDeviceGetDefault:PLoggingDevice;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default logging device</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default logging device</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function LoggingTypeToString(LoggingType:LongWord):String;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Convert a Logging type value to a string</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function LoggingStateToString(LoggingState:LongWord):String;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Convert a Logging state value to a string</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function LoggingDeviceRedirectOutput(Logging:PLoggingDevice):Boolean;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Redirect standard output to the logging device specified by Logging</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Logging
 +
| The logging device to redirect output to (or nil to stop redirection)
 +
|-
 +
! Return
 +
| True if completed successfully or False if an error occurred
 +
|-
 +
! Note
 +
| Redirects the output of the text files Output, ErrOutput, StdOut and StdErr which also redirects the output of Write, WriteLn and the standard C library.
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
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| None documented
 
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Latest revision as of 05:27, 1 March 2023

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Description

Ultibo Logging Interface unit

Constants


Logging specific constants LOGGING_*
LOGGING_NAME_PREFIX = 'Logging'; Name prefix for Logging Devices
 
LOGGING_THREAD_NAME = 'Logging'; Thread name for Logging threads
LOGGING_THREAD_PRIORITY = THREAD_PRIORITY_NORMAL; Thread priority for Logging threads


Logging device type LOGGING_TYPE_*
LOGGING_TYPE_NONE = 0;  
LOGGING_TYPE_CONSOLE = 1;  
LOGGING_TYPE_FILE = 2;  
LOGGING_TYPE_SYSLOG = 3;  
LOGGING_TYPE_SERIAL = 4;  
 
LOGGING_TYPE_MAX = 4;  


Logging device state LOGGING_STATE_*
LOGGING_STATE_DISABLED = 0;  
LOGGING_STATE_ENABLED = 1;  
 
LOGGING_STATE_MAX = 1;  


Logging device flag LOGGING_FLAG_*
LOGGING_FLAG_NONE = $00000000;  


Console logging CONSOLE_LOGGING_*
CONSOLE_LOGGING_DESCRIPTION = 'Console Logging';  


Type definitions


Logging entry

PLoggingEntry = ^TLoggingEntry;

TLoggingEntry = record

Note: Overlaid on TMessage to avoid memory allocation on each output
Data:String; TMessage.Msg:PtrUInt
Reserved1:PtrUInt; TMessage.wParam:PtrUInt
Reserved2:PtrInt; TMessage.lParam:PtrInt
Reserved3:LongWord; TMessage.Time:LongWord

Logging entry ex

PLoggingEntryEx = ^TLoggingEntryEx;

TLoggingEntryEx = record

Note: Overlaid on TMessage to avoid memory allocation on each output
Content:String; TMessage.Msg:PtrUInt
Tag:String; TMessage.wParam:PtrUInt
Severity:PtrInt; TMessage.lParam:PtrInt
Facility:LongWord; TMessage.Time:LongWord

Logging enumeration callback

TLoggingEnumerate = function(Logging:PLoggingDevice; Data:Pointer):LongWord;

Logging notification callback

TLoggingNotification = function(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;

Logging device start

TLoggingDeviceStart = function(Logging:PLoggingDevice):LongWord;

Logging device stop

TLoggingDeviceStop = function(Logging:PLoggingDevice):LongWord;

Logging device output

TLoggingDeviceOutput = function(Logging:PLoggingDevice; const Data:String):LongWord;

Logging device output ex

TLoggingDeviceOutputEx = function(Logging:PLoggingDevice; Facility,Severity:LongWord; const Tag,Content:String):LongWord; Syslog compatible output

Logging device get target

TLoggingDeviceGetTarget = function(Logging:PLoggingDevice):String;

Logging device set target

TLoggingDeviceSetTarget = function(Logging:PLoggingDevice; const Target:String):LongWord;

Logging device

PLoggingDevice = ^TLoggingDevice;

TLoggingDevice = record

Device Properties
Device:TDevice; The Device entry for this Logging device
Logging Properties
LoggingId:LongWord; Unique Id of this Logging device in the Logging device table
LoggingState:LongWord; Logging device state (eg LOGGING_STATE_ENABLED)
DeviceStart:TLoggingDeviceStart; A device specific DeviceStart method implementing a standard logging device interface (Or nil if the default method is suitable)
DeviceStop:TLoggingDeviceStop; A device specific DeviceStop method implementing a standard logging device interface (Or nil if the default method is suitable)
DeviceOutput:TLoggingDeviceOutput; A device specific DeviceOutput method implementing a standard logging device interface
DeviceOutputEx:TLoggingDeviceOutputEx; A device specific DeviceOutputEx method implementing a standard logging device interface
DeviceGetTarget:TLoggingDeviceGetTarget; A device specific DeviceGetTarget method implementing a standard logging device interface (Or nil if the default method is suitable)
DeviceSetTarget:TLoggingDeviceSetTarget; A device specific DeviceSetTarget method implementing a standard logging device interface (Or nil if the default method is suitable)
Statistics Properties
OutputCount:LongWord;  
Driver Properties
Lock:TMutexHandle; Device lock
Handle:THandle; Device output handle
Target:String; Device output target
Default:LongBool; Device can be the default logging device
Internal Properties
Prev:PLoggingDevice; Previous entry in Logging device table
Next:PLoggingDevice; Next entry in Logging device table

Console logging

PConsoleLogging = ^TConsoleLogging;

TConsoleLogging = record

Logging Properties
Logging:TLoggingDevice;  
Console Properties
Console:PConsoleDevice; The console device for logging output
Window:TWindowHandle; The console window for logging output
Existing:LongBool; True if the console window already existed when logging started


Public variables

None defined

Function declarations


Initialization functions 

procedure LoggingInit;
Description: To be documented
Note None documented 


function LoggingExecute(Parameter:Pointer):PtrInt;
Description: To be documented
Note None documented


Logging functions 

function LoggingDeviceStart(Logging:PLoggingDevice):LongWord;
Description: To be documented
Note None documented 


function LoggingDeviceStop(Logging:PLoggingDevice):LongWord;
Description: To be documented
Note None documented 


function LoggingDeviceOutput(Logging:PLoggingDevice; const Data:String):LongWord;
Description: To be documented
Note None documented 


function LoggingDeviceOutputEx(Logging:PLoggingDevice; Facility,Severity:LongWord; const Tag,Content:String):LongWord;
Description: To be documented
Note None documented 


function LoggingDeviceGetTarget(Logging:PLoggingDevice):String;
Description: To be documented
Note None documented 


function LoggingDeviceSetTarget(Logging:PLoggingDevice; const Target:String):LongWord;
Description: To be documented
Note None documented 


function LoggingDeviceCreate(Default:Boolean):PLoggingDevice;
Description: Create a new Logging device entry
Default If true allow the new device the default logging device if there is no current default
Return Pointer to new Logging device entry or nil if Logging device could not be created 


function LoggingDeviceCreateEx(Size:LongWord; Default:Boolean):PLoggingDevice;
Description: Create a new Logging device entry
Size Size in bytes to allocate for new Logging (Including the Logging entry)
Default If true allow the new device the default logging device if there is no current default
Return Pointer to new Logging device entry or nil if Logging device could not be created 


function LoggingDeviceDestroy(Logging:PLoggingDevice):LongWord;
Description: Destroy an existing Logging device entry
Note None documented 


function LoggingDeviceRegister(Logging:PLoggingDevice):LongWord;
Description: Register a new Logging device in the Logging table
Note None documented 


function LoggingDeviceDeregister(Logging:PLoggingDevice):LongWord;
Description: Deregister a Logging device from the Logging table
Note None documented 


function LoggingDeviceFind(LoggingId:LongWord):PLoggingDevice;
Description: To be documented
Note None documented 


function LoggingDeviceFindByType(LoggingType:LongWord):PLoggingDevice;
Description: To be documented
Note None documented 


function LoggingDeviceFindByDevice(Device:PDevice):PLoggingDevice;
Description: To be documented
Note None documented 


function LoggingDeviceFindByName(const Name:String):PLoggingDevice; inline;
Description: To be documented
Note None documented 


function LoggingDeviceFindByDescription(const Description:String):PLoggingDevice; inline;
Description: To be documented
Note None documented 


function LoggingDeviceEnumerate(Callback:TLoggingEnumerate; Data:Pointer):LongWord;
Description: To be documented
Note None documented 


function LoggingDeviceNotification(Logging:PLoggingDevice; Callback:TLoggingNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
Note None documented


Console logging functions 

function ConsoleLoggingStart(Logging:PLoggingDevice):LongWord;
Description: Implementation of LoggingDeviceStart API for Console Logging
Note Not intended to be called directly by applications, use LoggingDeviceStart instead. 


function ConsoleLoggingStop(Logging:PLoggingDevice):LongWord;
Description: Implementation of LoggingDeviceStop API for Console Logging
Note Not intended to be called directly by applications, use LoggingDeviceStop instead. 


function ConsoleLoggingOutput(Logging:PLoggingDevice; const Data:String):LongWord;
Description: Implementation of LoggingDeviceOutput API for Console Logging
Note Not intended to be called directly by applications, use LoggingDeviceOutput instead. 


function ConsoleLoggingSetTarget(Logging:PLoggingDevice; const Target:String):LongWord;
Description: Implementation of LoggingDeviceSetTarget API for Console Logging
Note Not intended to be called directly by applications, use LoggingDeviceSetTarget instead.


RTL text IO functions 

function SysTextIOWriteChar(ACh:Char; AUserData:Pointer):Boolean;
Description: Handler for platform TextIOWriteChar function
Note Not intended to be called directly by applications 


function SysTextIOWriteBuffer(ABuffer:PChar; ACount:LongInt; AUserData:Pointer):LongInt;
Description: Handler for platform TextIOWriteBuffer function
Note Not intended to be called directly by applications


RTL logging functions 

procedure SysLoggingOutput(const AText:String);
Description: To be documented
Note None documented 


procedure SysLoggingOutputEx(AFacility,ASeverity:LongWord; const ATag,AContent:String);
Description: To be documented
Note None documented


Logging helper functions 

function LoggingDeviceGetCount:LongWord;
Description: Get the current logging device count
Note None documented 


function LoggingDeviceGetDefault:PLoggingDevice;
Description: Get the current default logging device
Note None documented 


function LoggingDeviceSetDefault(Logging:PLoggingDevice):LongWord;
Description: Set the current default logging device
Note None documented 


function LoggingDeviceCheck(Logging:PLoggingDevice):PLoggingDevice;
Description: Check if the supplied Logging device is in the Logging table
Note None documented 


function LoggingTypeToString(LoggingType:LongWord):String;
Description: Convert a Logging type value to a string
Note None documented 


function LoggingStateToString(LoggingState:LongWord):String;
Description: Convert a Logging state value to a string
Note None documented 


function LoggingDeviceRedirectOutput(Logging:PLoggingDevice):Boolean;
Description: Redirect standard output to the logging device specified by Logging
Logging The logging device to redirect output to (or nil to stop redirection)
Return True if completed successfully or False if an error occurred
Note Redirects the output of the text files Output, ErrOutput, StdOut and StdErr which also redirects the output of Write, WriteLn and the standard C library. 


function LoggingGetMessageslotFlags:LongWord;
Description: Get the lock flags for the logging messageslot
Note None documented 


function LoggingConsoleDeviceAdd(Console:PConsoleDevice):LongWord;
Description: To be documented
Note None documented 


function LoggingConsoleDeviceRemove(Console:PConsoleDevice):LongWord;
Description: To be documented
Note None documented 


function LoggingConsoleDeviceEnum(Console:PConsoleDevice; Data:Pointer):LongWord;
Description: To be documented
Note None documented 


function LoggingConsoleDeviceNotify(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;
Description: To be documented
Note None documented


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