Golang diam.NewAVP函數代碼示例

func TestClient_Handshake(t *testing.T) {
	srv := diamtest.NewServer(New(serverSettings), dict.Default)
	defer srv.Close()
	cli := &Client{
		Handler: New(clientSettings),
		SupportedVendorID: []*diam.AVP{
			diam.NewAVP(avp.SupportedVendorID, avp.Mbit, 0, clientSettings.VendorID),
		},
		AcctApplicationID: []*diam.AVP{
			diam.NewAVP(avp.AcctApplicationID, avp.Mbit, 0, datatype.Unsigned32(0)),
		},
		AuthApplicationID: []*diam.AVP{
			diam.NewAVP(avp.AuthApplicationID, avp.Mbit, 0, datatype.Unsigned32(0)),
		},
		VendorSpecificApplicationID: []*diam.AVP{
			diam.NewAVP(avp.VendorSpecificApplicationID, avp.Mbit, 0, &diam.GroupedAVP{
				AVP: []*diam.AVP{
					diam.NewAVP(avp.AcctApplicationID, avp.Mbit, 0, datatype.Unsigned32(0)),
				},
			}),
		},
	}
	c, err := cli.Dial(srv.Address)
	if err != nil {
		t.Fatal(err)
	}
	c.Close()
}

func TestMetaValueExponent(t *testing.T) {
	m := diam.NewRequest(diam.CreditControl, 4, nil)
	m.NewAVP("Session-Id", avp.Mbit, 0, datatype.UTF8String("simuhuawei;1449573472;00002"))
	m.NewAVP(avp.RequestedServiceUnit, avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(avp.CCMoney, avp.Mbit, 0, &diam.GroupedAVP{
				AVP: []*diam.AVP{
					diam.NewAVP(avp.UnitValue, avp.Mbit, 0, &diam.GroupedAVP{
						AVP: []*diam.AVP{
							diam.NewAVP(avp.ValueDigits, avp.Mbit, 0, datatype.Integer64(10000)),
							diam.NewAVP(avp.Exponent, avp.Mbit, 0, datatype.Integer32(-5)),
						},
					}),
					diam.NewAVP(avp.CurrencyCode, avp.Mbit, 0, datatype.Unsigned32(33)),
				},
			}),
		},
	})
	if val, err := metaValueExponent(m, utils.ParseRSRFieldsMustCompile("Requested-Service-Unit>CC-Money>Unit-Value>Value-Digits;^|;Requested-Service-Unit>CC-Money>Unit-Value>Exponent", utils.INFIELD_SEP), 10); err != nil {
		t.Error(err)
	} else if val != "0.1" {
		t.Error("Received: ", val)
	}
	if _, err = metaValueExponent(m, utils.ParseRSRFieldsMustCompile("Requested-Service-Unit>CC-Money>Unit-Value>Value-Digits;Requested-Service-Unit>CC-Money>Unit-Value>Exponent", utils.INFIELD_SEP), 10); err == nil {
		t.Error("Should have received error") // Insufficient number arguments
	}
}

func TestFieldOutVal(t *testing.T) {
	m := diam.NewRequest(diam.CreditControl, 4, nil)
	m.NewAVP("Session-Id", avp.Mbit, 0, datatype.UTF8String("simuhuawei;1449573472;00002"))
	m.NewAVP("Subscription-Id", avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(450, avp.Mbit, 0, datatype.Enumerated(0)),             // Subscription-Id-Type
			diam.NewAVP(444, avp.Mbit, 0, datatype.UTF8String("33708000003")), // Subscription-Id-Data
		}})
	m.NewAVP("Subscription-Id", avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(450, avp.Mbit, 0, datatype.Enumerated(1)),              // Subscription-Id-Type
			diam.NewAVP(444, avp.Mbit, 0, datatype.UTF8String("208708000003")), // Subscription-Id-Data
		}})
	m.NewAVP("Service-Identifier", avp.Mbit, 0, datatype.Unsigned32(0))
	m.NewAVP("Requested-Service-Unit", avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(420, avp.Mbit, 0, datatype.Unsigned32(360))}}) // CC-Time
	cfgFld := &config.CfgCdrField{Tag: "StaticTest", Type: utils.META_COMPOSED, FieldId: utils.TOR,
		Value: utils.ParseRSRFieldsMustCompile("^*voice", utils.INFIELD_SEP), Mandatory: true}
	eOut := "*voice"
	if fldOut, err := fieldOutVal(m, cfgFld, time.Duration(0)); err != nil {
		t.Error(err)
	} else if fldOut != eOut {
		t.Errorf("Expecting: %s, received: %s", eOut, fldOut)
	}
	cfgFld = &config.CfgCdrField{Tag: "ComposedTest", Type: utils.META_COMPOSED, FieldId: utils.DESTINATION,
		Value: utils.ParseRSRFieldsMustCompile("Requested-Service-Unit>CC-Time", utils.INFIELD_SEP), Mandatory: true}
	eOut = "360"
	if fldOut, err := fieldOutVal(m, cfgFld, time.Duration(0)); err != nil {
		t.Error(err)
	} else if fldOut != eOut {
		t.Errorf("Expecting: %s, received: %s", eOut, fldOut)
	}
	// Without filter, we shoud get always the first subscriptionId
	cfgFld = &config.CfgCdrField{Tag: "Grouped1", Type: utils.MetaGrouped, FieldId: "Account",
		Value: utils.ParseRSRFieldsMustCompile("Subscription-Id>Subscription-Id-Data", utils.INFIELD_SEP), Mandatory: true}
	eOut = "33708000003"
	if fldOut, err := fieldOutVal(m, cfgFld, time.Duration(0)); err != nil {
		t.Error(err)
	} else if fldOut != eOut {
		t.Errorf("Expecting: %s, received: %s", eOut, fldOut)
	}
	// Without groupedAVP, we shoud get the first subscriptionId
	cfgFld = &config.CfgCdrField{Tag: "Grouped2", Type: utils.MetaGrouped, FieldId: "Account",
		FieldFilter: utils.ParseRSRFieldsMustCompile("Subscription-Id>Subscription-Id-Type(1)", utils.INFIELD_SEP),
		Value:       utils.ParseRSRFieldsMustCompile("Subscription-Id>Subscription-Id-Data", utils.INFIELD_SEP), Mandatory: true}
	eOut = "208708000003"
	if fldOut, err := fieldOutVal(m, cfgFld, time.Duration(0)); err != nil {
		t.Error(err)
	} else if fldOut != eOut {
		t.Errorf("Expecting: %s, received: %s", eOut, fldOut)
	}
}

func storedCdrToCCR(cdr *engine.StoredCdr, originHost, originRealm string, vendorId int, productName string, firmwareRev int, debitInterval time.Duration, callEnded bool) *diam.Message {
	sid := "session;" + strconv.Itoa(int(rand.Uint32()))
	reqType, reqNr, ccTime := disectUsageForCCR(cdr.Usage, debitInterval, callEnded)
	m := diam.NewRequest(272, 4, nil)
	m.NewAVP(avp.SessionID, avp.Mbit, 0, datatype.UTF8String(sid))
	m.NewAVP(avp.OriginHost, avp.Mbit, 0, datatype.DiameterIdentity(originHost))
	m.NewAVP(avp.OriginRealm, avp.Mbit, 0, datatype.DiameterIdentity(originRealm))
	m.NewAVP(avp.DestinationHost, avp.Mbit, 0, datatype.DiameterIdentity(originHost))
	m.NewAVP(avp.DestinationRealm, avp.Mbit, 0, datatype.DiameterIdentity(originRealm))
	m.NewAVP(avp.AuthApplicationID, avp.Mbit, 0, datatype.Unsigned32(4))
	m.NewAVP(avp.ServiceContextID, avp.Mbit, 0, datatype.UTF8String("[email protected]"))
	m.NewAVP(avp.CCRequestType, avp.Mbit, 0, datatype.Enumerated(reqType))
	m.NewAVP(avp.CCRequestNumber, avp.Mbit, 0, datatype.Enumerated(reqNr))
	m.NewAVP(avp.EventTimestamp, avp.Mbit, 0, datatype.Time(cdr.AnswerTime))
	m.NewAVP(avp.SubscriptionID, avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(avp.SubscriptionIDType, avp.Mbit, 0, datatype.Enumerated(0)),
			diam.NewAVP(avp.SubscriptionIDData, avp.Mbit, 0, datatype.UTF8String(cdr.Account)),
		}})
	m.NewAVP(avp.SubscriptionID, avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(avp.SubscriptionIDType, avp.Mbit, 0, datatype.Enumerated(1)),
			diam.NewAVP(avp.SubscriptionIDData, avp.Mbit, 0, datatype.UTF8String("20921006232651")),
		}})
	m.NewAVP(avp.ServiceIdentifier, avp.Mbit, 0, datatype.Unsigned32(0))
	m.NewAVP(avp.RequestedServiceUnit, avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(avp.CCTime, avp.Mbit, 0, datatype.Unsigned32(ccTime))}})
	/*
		m.NewAVP(avp.ServiceInformation, avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(20300, avp.Mbit, 0, &diam.GroupedAVP{ // IN-Information
				AVP: []*diam.AVP{
					diam.NewAVP(avp.CallingPartyAddress, avp.Mbit, 0, datatype.UTF8String(cdr.Account)),
					diam.NewAVP(avp.CalledPartyAddress, avp.Mbit, 0, datatype.UTF8String(cdr.Destination)),
					diam.NewAVP(20327, avp.Mbit, 0, datatype.UTF8String(cdr.Destination)),  // Real-Called-Number
					diam.NewAVP(20339, avp.Mbit, 0, datatype.Unsigned32(0)),                // Charge-Flow-Type
					diam.NewAVP(20302, avp.Mbit, 0, datatype.UTF8String("33657954968")),    // Calling-Vlr-Number
					diam.NewAVP(20303, avp.Mbit, 0, datatype.UTF8String("31901485301525")), // Calling-CellID-Or-SAI
					diam.NewAVP(avp.BearerCapability, avp.Mbit, 0, datatype.UTF8String("31901485301525")),
					diam.NewAVP(20321, avp.Mbit, 0, datatype.UTF8String("31901485301525")), // Call-Reference-Number
					diam.NewAVP(avp.MSCAddress, avp.Mbit, 0, datatype.UTF8String("")),
					diam.NewAVP(20324, avp.Mbit, 0, datatype.UTF8String("0")),              // Time-Zone
					diam.NewAVP(20385, avp.Mbit, 0, datatype.UTF8String("")),               // Called-Party-NP
					diam.NewAVP(20386, avp.Mbit, 0, datatype.UTF8String("20091020120101")), // SSP-Time
				},
			}),
		}})
	*/
	return m
}

func NewDiameterClient(addr, originHost, originRealm string, vendorId int, productName string, firmwareRev int) (*DiameterClient, error) {
	cfg := &sm.Settings{
		OriginHost:       datatype.DiameterIdentity(originHost),
		OriginRealm:      datatype.DiameterIdentity(originRealm),
		VendorID:         datatype.Unsigned32(vendorId),
		ProductName:      datatype.UTF8String(productName),
		FirmwareRevision: datatype.Unsigned32(firmwareRev),
	}
	handlers := sm.New(cfg)
	cli := &sm.Client{
		Handler:            handlers,
		MaxRetransmits:     3,
		RetransmitInterval: time.Second,
		EnableWatchdog:     true,
		WatchdogInterval:   5 * time.Second,
		AcctApplicationID: []*diam.AVP{
			// Advertise that we want support for both
			// Accounting applications 4 and 999.
			diam.NewAVP(avp.AcctApplicationID, avp.Mbit, 0, datatype.Unsigned32(4)), // RFC 4006
		},
	}
	conn, err := cli.Dial(addr)
	if err != nil {
		return nil, err
	}
	return &DiameterClient{conn: conn, handlers: handlers}, nil
}

func TestAvpValAsString(t *testing.T) {
	originHostStr := "unit_test"
	a := diam.NewAVP(avp.OriginHost, avp.Mbit, 0, datatype.DiameterIdentity(originHostStr))
	if avpValStr := avpValAsString(a); avpValStr != originHostStr {
		t.Errorf("Expected: %s, received: %s", originHostStr, avpValStr)
	}
}

func TestClient_Handshake_FailedResultCode(t *testing.T) {
	mux := diam.NewServeMux()
	mux.HandleFunc("CER", func(c diam.Conn, m *diam.Message) {
		cer := new(smparser.CER)
		if _, err := cer.Parse(m); err != nil {
			panic(err)
		}
		a := m.Answer(diam.NoCommonApplication)
		a.NewAVP(avp.OriginHost, avp.Mbit, 0, clientSettings.OriginHost)
		a.NewAVP(avp.OriginRealm, avp.Mbit, 0, clientSettings.OriginRealm)
		a.AddAVP(cer.OriginStateID)
		a.AddAVP(cer.AcctApplicationID[0]) // The one we send below.
		a.WriteTo(c)
	})
	srv := diamtest.NewServer(mux, dict.Default)
	defer srv.Close()
	cli := &Client{
		Handler: New(clientSettings),
		AcctApplicationID: []*diam.AVP{
			diam.NewAVP(avp.AcctApplicationID, avp.Mbit, 0, datatype.Unsigned32(0)),
		},
	}
	_, err := cli.Dial(srv.Address)
	if err == nil {
		t.Fatal("Unexpected CER worked")
	}
	e, ok := err.(*ErrFailedResultCode)
	if !ok {
		t.Fatal(err)
	}
	if !strings.Contains(e.Error(), "failed Result-Code AVP") {
		t.Fatal(e.Error())
	}
}

func TestClient_Watchdog_Timeout(t *testing.T) {
	sm := New(serverSettings)
	var once sync.Once
	sm.mux.HandleFunc("DWR", func(c diam.Conn, m *diam.Message) {
		once.Do(func() { m.Answer(diam.UnableToComply).WriteTo(c) })
	})
	srv := diamtest.NewServer(sm, dict.Default)
	defer srv.Close()
	cli := &Client{
		MaxRetransmits:     3,
		RetransmitInterval: 50 * time.Millisecond,
		EnableWatchdog:     true,
		WatchdogInterval:   50 * time.Millisecond,
		Handler:            New(clientSettings),
		AcctApplicationID: []*diam.AVP{
			diam.NewAVP(avp.AcctApplicationID, avp.Mbit, 0, datatype.Unsigned32(0)),
		},
	}
	c, err := cli.Dial(srv.Address)
	if err != nil {
		t.Fatal(err)
	}
	defer c.Close()
	select {
	case <-c.(diam.CloseNotifier).CloseNotify():
	case <-time.After(500 * time.Millisecond):
		t.Fatal("Timeout waiting for watchdog to disconnect client")
	}
}

func TestClient_Watchdog(t *testing.T) {
	srv := diamtest.NewServer(New(serverSettings), dict.Default)
	defer srv.Close()
	cli := &Client{
		EnableWatchdog:   true,
		WatchdogInterval: 100 * time.Millisecond,
		Handler:          New(clientSettings),
		AcctApplicationID: []*diam.AVP{
			diam.NewAVP(avp.AcctApplicationID, avp.Mbit, 0, datatype.Unsigned32(0)),
		},
	}
	c, err := cli.Dial(srv.Address)
	if err != nil {
		t.Fatal(err)
	}
	defer c.Close()
	resp := make(chan struct{}, 1)
	dwa := handleDWA(cli.Handler, resp)
	cli.Handler.mux.HandleFunc("DWA", func(c diam.Conn, m *diam.Message) {
		dwa(c, m)
	})
	select {
	case <-resp:
	case <-time.After(200 * time.Millisecond):
		t.Fatal("Timeout waiting for DWA")
	}
}

// Converts itself into DiameterMessage
func (self *CCA) AsDiameterMessage() (*diam.Message, error) {
	if _, err := self.diamMessage.NewAVP("Session-Id", avp.Mbit, 0, datatype.UTF8String(self.SessionId)); err != nil {
		return nil, err
	}
	if _, err := self.diamMessage.NewAVP("Origin-Host", avp.Mbit, 0, datatype.DiameterIdentity(self.OriginHost)); err != nil {
		return nil, err
	}
	if _, err := self.diamMessage.NewAVP("Origin-Realm", avp.Mbit, 0, datatype.DiameterIdentity(self.OriginRealm)); err != nil {
		return nil, err
	}
	if _, err := self.diamMessage.NewAVP("Auth-Application-Id", avp.Mbit, 0, datatype.Unsigned32(self.AuthApplicationId)); err != nil {
		return nil, err
	}
	if _, err := self.diamMessage.NewAVP("CC-Request-Type", avp.Mbit, 0, datatype.Enumerated(self.CCRequestType)); err != nil {
		return nil, err
	}
	if _, err := self.diamMessage.NewAVP("CC-Request-Number", avp.Mbit, 0, datatype.Enumerated(self.CCRequestNumber)); err != nil {
		return nil, err
	}
	if _, err := self.diamMessage.NewAVP(avp.ResultCode, avp.Mbit, 0, datatype.Unsigned32(self.ResultCode)); err != nil {
		return nil, err
	}
	ccTimeAvp, err := self.diamMessage.Dictionary().FindAVP(self.diamMessage.Header.ApplicationID, "CC-Time")
	if err != nil {
		return nil, err
	}
	if _, err := self.diamMessage.NewAVP("Granted-Service-Unit", avp.Mbit, 0, &diam.GroupedAVP{
		AVP: []*diam.AVP{
			diam.NewAVP(ccTimeAvp.Code, avp.Mbit, 0, datatype.Unsigned32(self.GrantedServiceUnit.CCTime))}}); err != nil {
		return nil, err
	}
	return self.diamMessage, nil
}

func TestClient_Handshake_RetransmitTimeout(t *testing.T) {
	mux := diam.NewServeMux()
	var retransmits uint32
	mux.HandleFunc("CER", func(c diam.Conn, m *diam.Message) {
		// Do nothing to force timeout.
		atomic.AddUint32(&retransmits, 1)
	})
	srv := diamtest.NewServer(mux, dict.Default)
	defer srv.Close()
	cli := &Client{
		Handler:            New(clientSettings),
		MaxRetransmits:     3,
		RetransmitInterval: time.Millisecond,
		AcctApplicationID: []*diam.AVP{
			diam.NewAVP(avp.AcctApplicationID, avp.Mbit, 0, datatype.Unsigned32(0)),
		},
	}
	_, err := cli.Dial(srv.Address)
	if err == nil {
		t.Fatal("Unexpected CER worked")
	}
	if err != ErrHandshakeTimeout {
		t.Fatal(err)
	}
	if n := atomic.LoadUint32(&retransmits); n != 4 {
		t.Fatalf("Unexpected # of retransmits. Want 4, have %d", n)
	}
}

// messageAddAVPsWithPath will dynamically add AVPs into the message
// 	append:	append to the message, on false overwrite if AVP is single or add to group if AVP is Grouped
func messageSetAVPsWithPath(m *diam.Message, path []interface{}, avpValStr string, appnd bool, timezone string) error {
	if len(path) == 0 {
		return errors.New("Empty path as AVP filter")
	}
	dictAVPs := make([]*dict.AVP, len(path)) // for each subpath, one dictionary AVP
	for i, subpath := range path {
		if dictAVP, err := m.Dictionary().FindAVP(m.Header.ApplicationID, subpath); err != nil {
			return err
		} else if dictAVP == nil {
			return fmt.Errorf("Cannot find AVP with id: %s", path[len(path)-1])
		} else {
			dictAVPs[i] = dictAVP
		}
	}
	if dictAVPs[len(path)-1].Data.Type == diam.GroupedAVPType {
		return errors.New("Last AVP in path needs not to be GroupedAVP")
	}
	var msgAVP *diam.AVP // Keep a reference here towards last AVP
	lastAVPIdx := len(path) - 1
	for i := lastAVPIdx; i >= 0; i-- {
		var typeVal datatype.Type
		if i == lastAVPIdx {
			avpValByte, err := serializeAVPValueFromString(dictAVPs[i], avpValStr, timezone)
			if err != nil {
				return err
			}
			typeVal, err = datatype.Decode(dictAVPs[i].Data.Type, avpValByte)
			if err != nil {
				return err
			}
		} else {
			typeVal = &diam.GroupedAVP{
				AVP: []*diam.AVP{msgAVP}}
		}
		newMsgAVP := diam.NewAVP(dictAVPs[i].Code, avp.Mbit, dictAVPs[i].VendorID, typeVal) // FixMe: maybe Mbit with dictionary one
		if i == lastAVPIdx-1 && !appnd {                                                    // last AVP needs to be appended in group
			avps, _ := m.FindAVPsWithPath(path[:lastAVPIdx], dict.UndefinedVendorID)
			if len(avps) != 0 { // Group AVP already in the message
				prevGrpData := avps[0].Data.(*diam.GroupedAVP)
				prevGrpData.AVP = append(prevGrpData.AVP, msgAVP)
				m.Header.MessageLength += uint32(msgAVP.Len())
				return nil
			}
		}
		msgAVP = newMsgAVP
	}
	if !appnd { // Not group AVP, replace the previous set one with this one
		avps, _ := m.FindAVPsWithPath(path, dict.UndefinedVendorID)
		if len(avps) != 0 { // Group AVP already in the message
			m.Header.MessageLength -= uint32(avps[0].Len()) // decrease message length since we overwrite
			*avps[0] = *msgAVP
			m.Header.MessageLength += uint32(msgAVP.Len())
			return nil
		}
	}
	m.AVP = append(m.AVP, msgAVP)
	m.Header.MessageLength += uint32(msgAVP.Len())
	return nil
}

func TestUnexpectedAVP_BadData(t *testing.T) {
	a := diam.NewAVP(avp.AcctApplicationID, 0, 0, datatype.OctetString("x"))
	app := &Application{
		AcctApplicationID: []*diam.AVP{a},
	}
	failedAVP, err := app.Parse(dict.Default)
	if err == nil {
		t.Fatal("Unexpected application parsed successfully")
	}
	if failedAVP != a {
		t.Fatalf("Unexpected failed avp. Want %q, have %q", a, failedAVP)
	}
}

func TestClient_DialTLS_InvalidAddress(t *testing.T) {
	cli := &Client{
		Handler: New(clientSettings),
		AcctApplicationID: []*diam.AVP{
			diam.NewAVP(avp.AcctApplicationID, avp.Mbit, 0, datatype.Unsigned32(0)),
		},
	}
	c, err := cli.DialTLS(":0", "", "")
	if err == nil {
		c.Close()
		t.Fatal("Invalid client address succeeded")
	}
}

func TestUnexpectedAVP_BadGroup(t *testing.T) {
	a := diam.NewAVP(avp.AcctApplicationID, 0, 0, datatype.Unsigned32(0))
	app := &Application{
		VendorSpecificApplicationID: []*diam.AVP{a},
	}
	failedAVP, err := app.Parse(dict.Default)
	if err == nil {
		t.Fatal("Unexpected application parsed successfully")
	}
	if failedAVP != a {
		t.Fatalf("Unexpected failed avp. Want %q, have %q", a, failedAVP)
	}
}