nps: refactor collector (#1764)

Signed-off-by: Jan-Otto Kröpke <[email protected]>

internal/collector/nps/const.go

@@ -0,0 +1,32 @@
+package nps
+
+const (
+	// NPS Authentication Server
+	accessAccepts           = "Access-Accepts"
+	accessChallenges        = "Access-Challenges"
+	accessRejects           = "Access-Rejects"
+	accessRequests          = "Access-Requests"
+	accessBadAuthenticators = "Bad Authenticators"
+	accessDroppedPackets    = "Dropped Packets"
+	accessInvalidRequests   = "Invalid Requests"
+	accessMalformedPackets  = "Malformed Packets"
+	accessPacketsReceived   = "Packets Received"
+	accessPacketsSent       = "Packets Sent"
+	accessServerResetTime   = "Server Reset Time"
+	accessServerUpTime      = "Server Up Time"
+	accessUnknownType       = "Unknown Type"
+
+	// NPS Accounting Server
+	accountingRequests          = "Accounting-Requests"
+	accountingResponses         = "Accounting-Responses"
+	accountingBadAuthenticators = "Bad Authenticators"
+	accountingDroppedPackets    = "Dropped Packets"
+	accountingInvalidRequests   = "Invalid Requests"
+	accountingMalformedPackets  = "Malformed Packets"
+	accountingNoRecord          = "No Record"
+	accountingPacketsReceived   = "Packets Received"
+	accountingPacketsSent       = "Packets Sent"
+	accountingServerResetTime   = "Server Reset Time"
+	accountingServerUpTime      = "Server Up Time"
+	accountingUnknownType       = "Unknown Type"
+)