I am investigating the use of the PR_LOG call defined in http://lxr.mozilla.org/mozilla/source/nsprpub/pr/include/prlog.h.
It turns out that you can turn on logging in modules that take advantage of the NSPR function but setting an environment variable. So, if I want to see the log output from a test, I can do:
$ cd dist/bin
$ NSPR_LOG_MODULES=all:5 ./TestCookie 2>&1 | grep -v WARNING
At this point, there is a lot of output. I can also do:
$ cd dist/bin
$ NSPR_LOG_MODULES=all:0 ./TestCookie 2>&1 | grep -v WARNING
These numbers are from prlog.h. I found this in a post about troubleshooting mail. Or rather, Tomcat found it.
PR_LOG_NONE = 0, /* nothing */
PR_LOG_ALWAYS = 1, /* always printed */
PR_LOG_ERROR = 2, /* error messages */
PR_LOG_WARNING = 3, /* warning messages */
PR_LOG_DEBUG = 4, /* debug messages */
So, 5 means "I want everything" and 0 means "please, be quiet". But there is still a lot of output when I use "all:0" above.
It turns out that this test is using printf. I do not even want to do a search for the number of cpp files we have using printf. I am sure there are a gazillion of them.
When you register with the logger, you have to give your module a name. This is an interesting list.
"Autodial" - netwerk/base/src/nsAutodialWin.cpp
"BMPDecoder" - modules/libpr0n/decoders/bmp/nsBMPDecoder.cppPRLogModuleInfo
"BayesianFilter" - mailnews/extensions/bayesian-spam-filter/src/nsBayesianFilter.cpp
"DOMLeak" - dom/src/base/nsGlobalWindow.cpp
"DeviceContextSpecGTK" - widget/src/gtk2/nsDeviceContextSpecG.cpp
"DeviceContextSpecQt" - gfx/src/qt/nsDeviceContextSpecQt.cpp
"DeviceContextSpecXlib" - gfx/src/xlib/nsDeviceContextSpecXlib.cpp
"DeviceContextXlib" - gfx/src/xlib/nsDeviceContextXlib.cpp
"DocLoader" - uriloader/base/nsDocLoader.cpp
"DocumentLeak" - content/base/src/nsDocument.cpp
"DrawingSurfaceXlib" - gfx/src/xlib/nsDrawingSurfaceXlib.cpp
"FontMetricsGTK" - gfx/src/gtk/nsFontMetricsGTK.cpp
"FontMetricsPS" - gfx/src/ps/nsFontMetricsPS.cpp
"FontMetricsXlib" - gfx/src/xlib/nsFontMetricsXlib.cpp
"GC" - nsprpub/lib/msgc/src/prmsgc.c:
"HelperAppService" - uriloader/exthandler/nsExternalHelperAppService.cpp
"IMAP" - mailnews/imap/src/nsImapProtocol.cpp
"IMAP" - mailnews/imap/src/nsImapProtocol.cpp
"IMAPOFFLINE" - mailnews/db/msgdb/src/nsMailDatabase.cpp
"IMAPOFFLINE" - mailnews/db/msgdb/src/nsMailDatabase.cpp
"IMAPOFFLINE" - mailnews/db/msgdb/src/nsMsgOfflineImapOperation.cpp
"IMPORT" - mailnews/import/comm4x/src/nsComm4xMailImport.cpp
"IMPORT" - mailnews/import/eudora/src/nsEudoraImport.cpp
"IMPORT" - mailnews/import/oexpress/nsOEImport.cpp
"IMPORT" - mailnews/import/outlook/src/nsOutlookImport.cpp
"IMPORT" - mailnews/import/src/nsImportMail.cpp
"IMPORT" - mailnews/import/src/nsImportService.cpp
"IMPORT" - mailnews/import/text/src/nsTextImport.cpp
"ImageXlib" - gfx/src/xlib/nsImageXlib.cpp
"InMemoryDataSource" - rdf/base/src/nsInMemoryDataSource.cpp
"JPEGDecoder" - modules/libpr0n/decoders/jpeg/nsJPEGDecoder.cppPRLogModuleInfo
"JSComponentLoader" - js/src/xpconnect/loader/mozJSComponentLoader.cpp
"JSDiagnostics" - dom/src/base/nsJSEnvironment.cpp
"LoadGroup" - netwerk/base/src/nsLoadGroup.cpp
"MAILBOX" - mailnews/local/src/nsMailboxProtocol.cpp
"MAPI" - mailnews/mapi/mapihook/src/msgMapiImp.cpp
"MCD" - extensions/pref/autoconfig/src/nsReadConfig.cpp
"MIME" - mailnews/mime/emitters/src/nsMimeBaseEmitter.cpp
"Mai" - accessible/src/atk/nsMai.h:
"Movemail" - mailnews/local/src/nsMovemailService.cpp
"MsgBiff" - mailnews/base/src/nsMsgBiffManager.cpp
"MsgPurge" - mailnews/base/src/nsMsgPurgeService.cpp
"NNTP" - mailnews/news/src/nsNNTPProtocol.cpp
"NNTP" - mailnews/news/src/nsNNTPProtocol.cpp
"NNTP" - mailnews/news/src/nsNNTPProtocol.cpp
"NNTP" - mailnews/news/src/nsNNTPProtocol.cpp
"NSJAVA" - modules/oji/src/nsJVMManager.cpp
"NTLM" - security/manager/ssl/src/nsNTLMAuthModule.cppPRLogModuleInfo
"ObserverService" - xpcom/ds/nsObserverService.cpp
"PALMSYNC" - mailnews/extensions/palmsync/src/PalmSyncImp.cpp
"PNGDecoder" - modules/libpr0n/decoders/png/nsPNGDecoder.cppPRLogModuleInfo
"POP3" - mailnews/local/src/nsPop3Protocol.cpp
"PangoFont" - gfx/src/gtk/nsFontMetricsPango.cpp
"PhGfxLog" - gfx/src/photon/nsRenderingContextPh.cppPRLogModuleInfo
"PresShell" - layout/base/nsPresShell.cpp
"QtGfx" - gfx/src/qt/nsGfxFactoryQt.cppPRLogModuleInfo
"RDF" - rdf/base/src/nsCompositeDataSource.cpp
"RenderingContextXlib" - gfx/src/xlib/nsRenderingContextXlib.cpp
"RenderingContextXp" - gfx/src/xprint/nsRenderingContextXp.cpp
"SMTP" - mailnews/compose/src/nsSmtpProtocol.cpp
"SOCKS" - netwerk/socket/base/nsSOCKSIOLayer.cpp
"StaticComponentLoader" - xpcom/components/nsStaticComponentLoader.cpp
"Syspref" - extensions/pref/system-pref/src/gconf/nsSystemPrefService.cpp
"Syspref" - extensions/pref/system-pref/src/nsSystemPref.cpp
"Test" - netwerk/test/TestBlockingSocket.cpp
"Test" - netwerk/test/TestCookie.cpp
"Test" - netwerk/test/TestIOThreads.cpp
"Test" - netwerk/test/TestProtocols.cpp
"Test" - netwerk/test/TestServ.cpp
"Test" - netwerk/test/TestSocketTransport.cpp
"Test" - netwerk/test/TestStreamChannel.cpp
"Test" - netwerk/test/TestStreamLoader.cpp
"Test" - netwerk/test/TestStreamPump.cpp
"Test" - netwerk/test/TestStreamTransport.cpp
"Test" - netwerk/test/TestUpload.cpp
"Test" - nsprpub/pr/tests/anonfm.c:
"Test" - nsprpub/pr/tests/instrumt.c:
"Test" - nsprpub/pr/tests/mbcs.c:
"Test" - nsprpub/pr/tests/nameshm1.c:
"Test" - nsprpub/pr/tests/ntioto.c:
"Test" - nsprpub/pr/tests/op_excl.c:
"Test" - nsprpub/pr/tests/randseed.c:
"Test" - xpcom/proxy/tests/proxytests.cpp
"TestCase" - security/nss/cmd/selfserv/selfserv.c:
"TestSocketIO" - netwerk/test/TestOverlappedIO.cpp
"TestSocketIO" - netwerk/test/TestSocketIO.cpp
"URILoader" - uriloader/base/nsURILoader.cpp
"UrlClassifierDbService" - toolkit/components/url-classifier/src/nsUrlClassifierDBService.cpp
"UrlClassifierStreamUpdater" - toolkit/components/url-classifier/src/nsUrlClassifierStreamUpdater.cpp
"Widget" - widget/src/gtk2/nsAppShell.cpp
"WidgetDraw" - widget/src/gtk2/nsAppShell.cpp
"WidgetFocus" - widget/src/gtk2/nsAppShell.cpp
"WidgetIM" - widget/src/gtk2/nsAppShell.cpp
"XRemoteClient" - widget/src/xremoteclient/XRemoteClient.cpp
"XftFontLoad" - gfx/src/gtk/nsFontMetricsXft.cpp
"XlibScrolling" - widget/src/xlib/nsWidget.cppPRLogModuleInfo
"XlibWidgets" - widget/src/xlib/nsWidget.cppPRLogModuleInfo
"cache" - netwerk/cache/src/nsCache.cpp
"canvasGLES11" - extensions/canvas3d/src/nsCanvasRenderingContextGLES11.cpp
"clock" - nsprpub/pr/src/misc/prinit.c:
"cltsrv_log" - nsprpub/pr/tests/cltsrv.c:
"cltsrv_log" - nsprpub/pr/tests/provider.c:
"cmon" - nsprpub/pr/src/misc/prinit.c:
"cookie" - netwerk/cookie/src/nsCookieService.cpp
"counters" - nsprpub/pr/src/misc/prcountr.c:
"cvar" - nsprpub/pr/src/misc/prinit.c:
"expatdriver" - parser/htmlparser/src/nsExpatDriver.cpp
"frame" - layout/generic/nsFrame.cpp
"frameverifytree" - layout/generic/nsFrame.cpp
"gc" - nsprpub/pr/src/misc/prinit.c:
"gizmo" - nsprpub/pr/include/prlog.h:**
"gnomevfs" - extensions/gnomevfs/nsGnomeVFSProtocolHandler.cpp
"htmlcontentsink" - content/html/document/src/nsHTMLContentSink.cpp
"imgRequest" - modules/libpr0n/src/imgRequest.cppPRLogModuleInfo
"io" - nsprpub/pr/src/misc/prinit.c:
"ldap" - directory/xpcom/base/src/nsLDAPProtocolModule.cpp
"ldapautocomplete" - mailnews/addrbook/src/nsLDAPAutoCompleteSession.cpp
"ldapautocomplete" - mailnews/addrbook/src/nsLDAPAutoCompleteSession.cpp
"linker" - nsprpub/pr/src/misc/prinit.c:
"mon" - nsprpub/pr/src/misc/prinit.c:
"mozStorage" - storage/src/mozStorageConnection.cpp
"msgc" - nsprpub/lib/msgc/src/prmsgc.c:
"msgcompose" - mailnews/compose/src/nsMsgComposeService.cpp
"negotiateauth" - extensions/auth/nsAuthFactory.cpp
"nsAbOutlookCardLog" - mailnews/addrbook/src/nsAbOutlookCard.cpp
"nsAbOutlookDirFactoryLog" - mailnews/addrbook/src/nsAbOutlookDirFactory.cpp
"nsAbOutlookDirectoryLog" - mailnews/addrbook/src/nsAbOutlookDirectory.cpp
"nsAbWinHelperLog" - mailnews/addrbook/src/nsAbWinHelper.cpp
"nsCSSLoader" - layout/style/nsCSSLoader.cpp
"nsCachedChromeChannel" - chrome/src/nsChromeProtocolHandler.cpp
"nsCachedChromeChannel" - rdf/chrome/src/nsChromeProtocolHandler.cpp
"nsComponentManager" - xpcom/components/nsComponentManager.cpp
"nsContentPolicy" - content/base/src/nsContentPolicy.cpp
"nsDebug" - xpcom/base/nsDebugImpl.cpp
"nsDeviceContextPS" - gfx/src/ps/nsDeviceContextPS.cpp
"nsDeviceContextXp" - gfx/src/xprint/nsDeviceContextXP.cpp
"nsDirectoryIndexStream" - netwerk/base/src/nsDirectoryIndexStream.cpp
"nsDocShell" - docshell/base/nsDocShell.cpp
"nsDocShellLeak" - docshell/base/nsDocShell.cpp
"nsDragService" - widget/src/beos/nsDragService.cpp
"nsDragService" - widget/src/gtk/nsDragService.cpp
"nsDragService" - widget/src/gtk2/nsDragService.cpp
"nsElementMap" - content/xul/document/src/nsElementMap.cpp
"nsEventQueue" - xpcom/threads/nsEventQueue.cpp
"nsFTPDirListingConv" - netwerk/streamconv/converters/nsFTPDirListingConv.cpp
"nsFtp" - netwerk/protocol/ftp/src/nsFtpProtocolHandler.cpp
"nsHostResolver" - netwerk/dns/src/nsHostResolver.cpp
"nsHttp" - netwerk/protocol/http/src/nsHttpHandler.cpp
"nsIIdleService" - widget/src/gtk2/nsIdleServiceGTK.cpp
"nsIOThreadPool" - netwerk/base/src/nsIOThreadPool.cpp
"nsJarProtocol" - modules/libjar/nsJARChannel.cpp
"nsMapiAddressBookLog" - mailnews/addrbook/src/nsMapiAddressBook.cpp
"nsMetricsService" - extensions/metrics/src/nsMetricsService.cpp
"nsNativeModuleLoader" - xpcom/components/nsNativeComponentLoader.cpp
"nsObjectFrame" - layout/generic/nsObjectFrame.cpp
"nsPipe" - xpcom/io/nsPipe3.cpp
"nsPostScriptObj" - gfx/src/ps/nsPostScriptObj.cpp
"nsPrefetch" - uriloader/prefetch/nsPrefetchService.cpp
"nsRDFContentSink" - rdf/base/src/nsRDFContentSink.cpp
"nsRDFService" - rdf/base/src/nsRDFService.cpp
"nsRDFXMLDataSource" - rdf/base/src/nsRDFXMLDataSource.cpp
"nsRequestObserverProxy" - netwerk/base/src/nsRequestObserverProxy.cpp
"nsResProtocol" - netwerk/protocol/res/src/nsResProtocolHandler.cpp
"nsSecureBrowserUI" - security/manager/boot/src/nsSecureBrowserUIImpl.cpp
"nsSharedPrefHandler" - modules/libpref/src/nsSharedPrefHandler.cpp
"nsSocketTransport" - netwerk/base/src/nsSocketTransportService2.cpp
"nsStandardURL" - netwerk/base/src/nsStandardURL.cpp
"nsStorageStream" - xpcom/io/nsStorageStream.cpp
"nsStreamCopier" - netwerk/base/src/nsAsyncStreamCopier.cpp
"nsStreamPump" - netwerk/base/src/nsInputStreamPump.cpp
"nsThread" - xpcom/threads/nsThread.cpp
"nsThreadPool" - xpcom/threads/nsThreadPool.cpp
"nsTimerImpl" - xpcom/threads/nsTimerImpl.h:
"nsWabAddressBookLog" - mailnews/addrbook/src/nsWabAddressBook.cpp
"nsWyciwygChannel" - content/html/document/src/nsWyciwygProtocolHandler.cpp
"nsXPrintContext" - gfx/src/xprint/nsXPrintContext.cpp
"nsXULCommandDispatcher" - content/xul/document/src/nsXULCommandDispatcher.cpp
"nsXULContentSink" - content/xul/document/src/nsXULContentSink.cpp
"nsXULDocument" - content/xul/document/src/nsXULDocument.cpp
"nsXULTemplateBuilder" - content/xul/templates/src/nsXULTemplateBuilder.cpp
"nscontentsink" - content/base/src/nsContentSink.cpp
"nss_cache" - security/nss/lib/pki/tdcache.c:
"nss_mod_log" - security/nss/lib/pk11wrap/debug_module.c:
"nssilock" - security/nss/lib/util/nssilock.c:
"objlc" - content/base/src/nsObjectLoadingContent.cpp
"pipnss" - security/manager/ssl/src/nsNSSComponent.cpp
"printing" - layout/base/nsDocumentViewer.cpp
"printing" - layout/printing/nsPrintData.cpp
"printing" - layout/printing/nsPrintEngine.cpp
"printing-gfx" - gfx/src/windows/nsDeviceContextWin.cpp
"printing-layout" - layout/generic/nsSimplePageSequence.cppPRLogModuleInfo
"printing-widget" - widget/src/windows/nsDeviceContextSpecWin.cppPRLogModuleInfo
"proxy" - netwerk/base/src/nsProtocolProxyService.cpp
"sched" - nsprpub/pr/src/misc/prinit.c:
"schemaValidation" - extensions/schema-validation/src/nsSchemaValidator.cppPRLogModuleInfo
"schemaValidation" - extensions/schema-validation/src/nsSchemaValidatorUtils.cppPRLogModuleInfo
"shm" - nsprpub/pr/src/misc/prinit.c:
"shma" - nsprpub/pr/src/misc/prinit.c:
"styleverifytree" - layout/generic/nsFrame.cpp
"test" - nsprpub/pr/tests/y2k.c:
"testcase" - nsprpub/lib/tests/arena.c:
"testcase" - nsprpub/pr/tests/rmdir.c:
"thebesGfx" - gfx/src/thebes/nsThebesDeviceContext.cpp
"thread" - nsprpub/pr/src/misc/prinit.c:
"timing" - modules/libutil/public/stopwatch.h:
"trace" - nsprpub/pr/src/misc/prtrace.c:
"updatedriver" - toolkit/xre/nsUpdateDriver.cpp
"webdav" - extensions/webdav/src/nsWebDAVService.cpp
"webshell" - docshell/base/nsWebShell.cpp
"winfonts" - gfx/thebes/src/gfxWindowsFonts.cpp
"xpath" - content/xslt/src/base/txLog.h:
"xpclog" - js/src/xpconnect/src/xpclog.cpp
"xpcomproxy" - xpcom/proxy/src/nsProxyObjectManager.cppPRLogModuleInfo
"xslt" - content/xslt/src/base/txLog.h:
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