Initial delivery of metrics code (#81)

* Initial delivery of metrics code

* Fix build issues

* Fix build issue with go vet

vendor/github.com/ibm-messaging/mq-golang/ibmmq/mqistr.go

@@ -0,0 +1,98 @@
+package ibmmq
+
+/*
+  Copyright (c) IBM Corporation 2016
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific
+
+   Contributors:
+     Mark Taylor - Initial Contribution
+*/
+
+/*
+#include <stdlib.h>
+#include <string.h>
+#include <cmqc.h>
+#include <cmqstrc.h>
+*/
+import "C"
+
+import (
+	"fmt"
+)
+
+/*
+   Convert MQCC/MQRC values into readable text using
+   the functions introduced in cmqstrc.h in MQ V8004
+*/
+func mqstrerror(verb string, mqcc C.MQLONG, mqrc C.MQLONG) string {
+	return fmt.Sprintf("%s: MQCC = %s [%d] MQRC = %s [%d]", verb,
+		C.GoString(C.MQCC_STR(mqcc)), mqcc,
+		C.GoString(C.MQRC_STR(mqrc)), mqrc)
+}
+
+/*
+MQItoString returns a string representation of the MQI #define. Only a few of the
+sets of constants are decoded here; see cmqstrc.h for a full set. Some of the
+sets are aggregated, so that "RC" will return something from either the MQRC
+or MQRCCF sets. These sets are related and do not overlap values.
+*/
+func MQItoString(class string, value int) string {
+	s := ""
+	v := C.MQLONG(value)
+	switch class {
+	case "BACF":
+		s = C.GoString(C.MQBACF_STR(v))
+
+	case "CA":
+		s = C.GoString(C.MQCA_STR(v))
+		if s == "" {
+			s = C.GoString(C.MQCACF_STR(v))
+		}
+		if s == "" {
+			s = C.GoString(C.MQCACH_STR(v))
+		}
+		if s == "" {
+			s = C.GoString(C.MQCAMO_STR(v))
+		}
+
+	case "CC":
+		s = C.GoString(C.MQCC_STR(v))
+	case "CMD":
+		s = C.GoString(C.MQCMD_STR(v))
+
+	case "IA":
+		s = C.GoString(C.MQIA_STR(v))
+		if s == "" {
+			s = C.GoString(C.MQIACF_STR(v))
+		}
+		if s == "" {
+			s = C.GoString(C.MQIACH_STR(v))
+		}
+		if s == "" {
+			s = C.GoString(C.MQIAMO_STR(v))
+		}
+		if s == "" {
+			s = C.GoString(C.MQIAMO64_STR(v))
+		}
+
+	case "OT":
+		s = C.GoString(C.MQOT_STR(v))
+
+	case "RC":
+		s = C.GoString(C.MQRC_STR(v))
+		if s == "" {
+			s = C.GoString(C.MQRCCF_STR(v))
+		}
+	}
+	return s
+}