FileAnalysis: add bif for setting timeout interval

src/file_analysis/File.cc

@@ -189,6 +189,11 @@ double File::GetTimeoutInterval() const
 	return LookupFieldDefaultInterval(timeout_interval_idx);
 	}
 
+void File::SetTimeoutInterval(double interval)
+	{
+	val->Assign(timeout_interval_idx, new Val(interval, TYPE_INTERVAL));
+	}
+
 void File::IncrementByteCount(uint64 size, int field_idx)
 	{
 	uint64 old = LookupFieldDefaultCount(field_idx);

src/file_analysis/File.h

@@ -34,6 +34,11 @@ public:
 	 */
 	double GetTimeoutInterval() const;
 
+	/**
+	 * Set the "timeout_interval" field from #val record to \a interval seconds.
+	 */
+	void SetTimeoutInterval(double interval);
+
 	/**
 	 * @return value of the "id" field from #val record.
 	 */

src/file_analysis/Manager.cc

@@ -157,6 +157,16 @@ bool Manager::PostponeTimeout(const FileID& file_id) const
 	return true;
 	}
 
+bool Manager::SetTimeoutInterval(const FileID& file_id, double interval) const
+	{
+	File* file = Lookup(file_id);
+
+	if ( ! file ) return false;
+
+	file->SetTimeoutInterval(interval);
+	return true;
+	}
+
 bool Manager::AddAction(const FileID& file_id, RecordVal* args) const
 	{
 	File* file = Lookup(file_id);

src/file_analysis/Manager.h

@@ -96,6 +96,11 @@ public:
 	 */
 	bool PostponeTimeout(const FileID& file_id) const;
 
+	/**
+	 * Set's an inactivity threshold for the file.
+	 */
+	bool SetTimeoutInterval(const FileID& file_id, double interval) const;
+
 	/**
 	 * Queue attachment of an action to the file identifier.  Multiple actions
 	 * of a given type can be attached per file identifier at a time as long as