115 lines
3.3 KiB
Smalltalk
115 lines
3.3 KiB
Smalltalk
"
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(C) 2011 by Holger Hans Peter Freyther
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All Rights Reserved
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"
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LogTarget subclass: LogTargetSyslog [
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| prefix |
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<comment: 'I can log everything to the syslog.'>
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<category: 'OsmoLogging-Syslog'>
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LogMap := nil.
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LogTargetSyslog class >> LOG_USER [
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<category: 'c-facility'>
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^ 8
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]
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LogTargetSyslog class >> logLevelMap [
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^ LogMap ifNil: [ LogMap := Dictionary new
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at: LogLevel debug put: 7;
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at: LogLevel info put: 6;
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at: LogLevel notice put: 5;
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at: LogLevel error put: 3;
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yourself
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]
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]
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LogTargetSyslog class >> openlog: aIdent option: aOption facility: aFacility [
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"Free any previous string"
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SYSLOG_NAME ifNotNil: [
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SYSLOG_NAME free.
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Smalltalk at: #SYSLOG_NAME put: nil.
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].
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Smalltalk at: #SYSLOG_NAME put: aIdent asCData.
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self c_closelog.
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self c_openlog: SYSLOG_NAME opt: aOption facility: aFacility.
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^ self new
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]
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LogTargetSyslog class >> c_openlog: ident opt: aOpt facility: aFac [
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<category: 'c-interface'>
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<cCall: 'openlog' returning: #void args: #(#cObject #int #int)>
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]
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LogTargetSyslog class >> c_syslog: prio fmt: aFormat args: args[
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<category: 'c-interface'>
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<cCall: 'syslog' returning: #void args: #(#int #string #variadic)>
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]
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LogTargetSyslog class >> c_closelog [
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<category: 'c-interface'>
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<cCall: 'closelog' returning: #void args: #()>
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]
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LogTargetSyslog class >> initialize [
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<category: 'c-interface'>
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DLD addLibrary: 'libc'.
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"Workaround Debian multiarch issues in finding libc"
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DLD addLibrary: 'libm'.
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ObjectMemory addDependent: self.
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]
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LogTargetSyslog class >> update: aSymbol [
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"We need to forget the C String we have allocated as we are running
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in a new VM right now. Maybe we will be re-opened by someone."
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aSymbol = #returnFromSnapshot ifTrue: [
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Smalltalk at: #SYSLOG_NAME put: nil.
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].
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]
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print: aMessage [
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<category: 'output'>
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| level |
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level := self class logLevelMap at: aMessage level.
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self class c_syslog: level fmt: '%s%s' args: {self prefix. aMessage msg}.
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]
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exception: aMessage [
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| level |
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level := self class logLevelMap at: aMessage level.
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self class c_syslog: level fmt: '%s%s'
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args: {self prefix. 'EXCEPTION occured'}.
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self print: aMessage.
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]
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prefix: aMsg [
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prefix := aMsg.
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]
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prefix [
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^ prefix ifNil: ['']
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]
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]
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Eval [
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LogTargetSyslog initialize.
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]
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