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virlog: Introduce virLogOutputNew
In order to later split output parsing and output defining, introduce a new function which will create a new virLogOutput object which the parser will insert into a list with the list being eventually defined. Signed-off-by: Erik Skultety <eskultet@redhat.com>
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@ -1882,6 +1882,7 @@ virLogLock;
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virLogMessage;
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virLogOutputFree;
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virLogOutputListFree;
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virLogOutputNew;
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virLogParseAndDefineFilters;
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virLogParseAndDefineOutputs;
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virLogParseDefaultPriority;
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@ -1546,3 +1546,58 @@ bool virLogProbablyLogMessage(const char *str)
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ret = true;
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return ret;
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}
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/**
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* virLogOutputNew:
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* @f: the function to call to output a message
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* @c: the function to call to close the output (or NULL)
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* @data: extra data passed as first arg to functions @f and @c
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* @priority: minimal priority for this filter, use 0 for none
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* @dest: where to send output of this priority (see virLogDestination)
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* @name: additional data associated with syslog and file-based outputs (ident
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* and filename respectively)
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*
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* Allocates and returns a new log output object. The object has to be later
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* defined, so that the output will be taken into account when emitting a
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* message.
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*
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* Returns reference to a newly created object or NULL in case of failure.
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*/
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virLogOutputPtr
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virLogOutputNew(virLogOutputFunc f,
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virLogCloseFunc c,
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void *data,
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virLogPriority priority,
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virLogDestination dest,
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const char *name)
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{
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virLogOutputPtr ret = NULL;
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char *ndup = NULL;
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if (dest == VIR_LOG_TO_SYSLOG || dest == VIR_LOG_TO_FILE) {
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if (!name) {
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virReportError(VIR_ERR_INVALID_ARG, "%s",
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_("Missing auxiliary data in output definition"));
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return NULL;
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}
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if (VIR_STRDUP(ndup, name) < 0)
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return NULL;
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}
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if (VIR_ALLOC(ret) < 0) {
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VIR_FREE(ndup);
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return NULL;
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}
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ret->logInitMessage = true;
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ret->f = f;
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ret->c = c;
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ret->data = data;
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ret->priority = priority;
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ret->dest = dest;
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ret->name = ndup;
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return ret;
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}
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@ -226,5 +226,11 @@ void virLogVMessage(virLogSourcePtr source,
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va_list vargs) ATTRIBUTE_FMT_PRINTF(7, 0);
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bool virLogProbablyLogMessage(const char *str);
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virLogOutputPtr virLogOutputNew(virLogOutputFunc f,
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virLogCloseFunc c,
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void *data,
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virLogPriority priority,
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virLogDestination dest,
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const char *name) ATTRIBUTE_NONNULL(1);
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#endif
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