add foundry&brocade switches cpu&mem support

cpustat.go

@@ -63,6 +63,9 @@ func CpuUtilization(ip, community string, timeout, retry int) (int, error) {
 	case "Linux":
 		oid = "1.3.6.1.4.1.2021.11.11.0"
 		return getLinuxCpu(ip, community, oid, timeout, retry)
+	case "Foundry":
+		oid = "1.3.6.1.4.1.1991.1.1.2.1.52.0"
+		return getFoundryCpu(ip, community, oid, timeout, retry)
 	default:
 		err = errors.New(ip + " Switch Vendor is not defined")
 		return 0, err
@@ -184,6 +187,28 @@ func getDellCpu(ip, community, oid string, timeout, retry int) (value int, err e
 	return snmpPDUs[0].Value.(int), err
 }
 
+func getFoundryCpu(ip, community, oid string, timeout, retry int) (value int, err error) {
+
+	defer func() {
+		if r := recover(); r != nil {
+			log.Println(ip+" Recovered in CPUtilization", r)
+		}
+	}()
+	method := "getnext"
+
+	var snmpPDUs []gosnmp.SnmpPDU
+
+	for i := 0; i < retry; i++ {
+		snmpPDUs, err = RunSnmp(ip, community, oid, method, timeout)
+		if len(snmpPDUs) > 0 {
+			break
+		}
+		time.Sleep(100 * time.Millisecond)
+	}
+
+	return snmpPDUs[0].Value.(int), err
+}
+
 func getLinuxCpu(ip, community, oid string, timeout, retry int) (value int, err error) {
 
 	defer func() {

descrstat.go

@@ -112,6 +112,14 @@ func SysVendor(ip, community string, retry int, timeout int) (string, error) {
 		return "Dell", err
 	}
 
+	if strings.Contains(sysDescrLower, "brocade communications systems") {
+		return "Foundry", err
+	}
+
+	if strings.Contains(sysDescrLower, "foundry networks") {
+		return "Foundry", err
+	}
+
 	if strings.Contains(sysDescrLower, "linux") {
 		return "Linux", err
 	}

memstat.go

@@ -74,6 +74,8 @@ func MemUtilization(ip, community string, timeout, retry int) (int, error) {
 		return GetDellMem(ip, community, timeout, retry)
 	case "Linux":
 		return GetLinuxMem(ip, community, timeout, retry)
+	case "Foundry":
+		return GetFoundryMem(ip, community, timeout, retry)
 	default:
 		err = errors.New(ip + " Switch Vendor is not defined")
 		return 0, err
@@ -236,3 +238,18 @@ func GetLinuxMem(ip, community string, timeout, retry int) (int, error) {
 	}
 	return 0, err
 }
+
+func GetFoundryMem(ip, community string, timeout, retry int) (int, error) {
+	method := "getnext"
+	memTotalOid := "1.3.6.1.4.1.1991.1.1.2.1.54.0"
+	memTotal, err := RunSnmp(ip, community, memTotalOid, method, timeout)
+	memFreeOid := "1.3.6.1.4.1.1991.1.1.2.1.55.0"
+	memFree, err := RunSnmp(ip, community, memFreeOid, method, timeout)
+	if &memTotal[0] != nil && &memFree[0] != nil {
+		memfree := memFree[0].Value.(int)
+		memtotal := memTotal[0].Value.(int)
+		memUtili := float64(memtotal-memfree) / float64(memtotal)
+		return int(memUtili * 100), nil
+	}
+	return 0, err
+}