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[libvirt] [PATCH 10/38] virlog: Introduce virLogDefineOutputs



Prepare a method that only defines a set of outputs. It takes a list of
outputs, preferably created by virLogParseOutputs. The original set of outputs
is reset and replaced by the new user-provided set of outputs.
---
 src/libvirt_private.syms |  1 +
 src/util/virlog.c        | 25 +++++++++++++++++++++++++
 src/util/virlog.h        |  1 +
 3 files changed, 27 insertions(+)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 99b3b55..e97ec45 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1743,6 +1743,7 @@ virLockSpaceReleaseResourcesForOwner;
 # util/virlog.h
 virLogDefineFilter;
 virLogDefineOutput;
+virLogDefineOutputs;
 virLogGetDefaultPriority;
 virLogGetFilters;
 virLogGetNbFilters;
diff --git a/src/util/virlog.c b/src/util/virlog.c
index 9059722..e5923ce 100644
--- a/src/util/virlog.c
+++ b/src/util/virlog.c
@@ -1539,3 +1539,28 @@ virLogSetOutputs(const char *outputs)
 
     return ret;
 }
+
+
+/**
+ * virLogDefineOutputs:
+ * @outputs: new set of outputs to be defined
+ * @noutputs: number of outputs in @outputs
+ *
+ * Resets any existing set of outputs and defines a completely new one.
+ *
+ * Returns number of outputs successfully defined or -1 in case of error;
+ */
+int
+virLogDefineOutputs(virLogOutputPtr *outputs, size_t noutputs)
+{
+    if (virLogInitialize() < 0)
+        return -1;
+
+    virLogLock();
+    virLogResetOutputs();
+    virLogOutputs = outputs;
+    virLogNbOutputs = noutputs;
+    virLogUnlock();
+
+    return virLogNbOutputs;
+}
diff --git a/src/util/virlog.h b/src/util/virlog.h
index 4141ecd..166db5a 100644
--- a/src/util/virlog.h
+++ b/src/util/virlog.h
@@ -224,5 +224,6 @@ extern void virLogVMessage(virLogSourcePtr source,
                            va_list vargs) ATTRIBUTE_FMT_PRINTF(7, 0);
 
 bool virLogProbablyLogMessage(const char *str);
+int virLogDefineOutputs(virLogOutputPtr *outputs, size_t noutputs);
 
 #endif
-- 
2.4.3


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