refactor(router): 改为结构化 web 项目

service/onvif/connection.go

@@ -0,0 +1,40 @@
+package onvif
+
+import (
+	"github.com/IOTechSystems/onvif"
+)
+
+type Connection struct {
+	Params DeviceParams  `json:"params"`
+	Device *onvif.Device `json:"device"`
+}
+
+type DeviceParams struct {
+	Xaddr              string `json:"xaddr"`
+	EndpointRefAddress string `json:"endpointRefAddress"`
+	Username           string `json:"username"`
+	Password           string `json:"password"`
+	AuthMode           string `json:"authMode"`
+}
+
+func NewConnection(addr string, username string, password string) (*Connection, error) {
+	dev, err := onvif.NewDevice(onvif.DeviceParams{
+		Xaddr:    addr,
+		Username: username,
+		Password: password,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return &Connection{
+		Params: DeviceParams{
+			Xaddr:              dev.GetDeviceParams().Xaddr,
+			EndpointRefAddress: dev.GetDeviceParams().EndpointRefAddress,
+			Username:           dev.GetDeviceParams().Username,
+			Password:           dev.GetDeviceParams().Password,
+			AuthMode:           dev.GetDeviceParams().AuthMode,
+		},
+		Device: dev,
+	}, nil
+}

service/onvif/device.go

@@ -0,0 +1,18 @@
+package onvif
+
+import "github.com/IOTechSystems/onvif/device"
+
+func (c *Connection) GetDeviceInformation() (*device.GetDeviceInformationResponse, error) {
+	resp, err := c.Device.CallMethod(device.GetDeviceInformation{})
+	if err != nil {
+		return nil, err
+	}
+
+	result := &device.GetDeviceInformationResponse{}
+	err = unmarshalResponse(resp, result)
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}

service/onvif/event.go

@@ -0,0 +1,34 @@
+package onvif
+
+import (
+	"github.com/IOTechSystems/onvif/event"
+	"github.com/IOTechSystems/onvif/xsd"
+)
+
+func (c *Connection) SubscribeEvents(
+	consumerAddress event.AttributedURIType,
+	terminationTime xsd.String, // PT60S
+) (*event.SubscribeResponse, error) {
+	resp, err := c.Device.CallMethod(event.Subscribe{
+		ConsumerReference: &event.EndpointReferenceType{
+			Address: consumerAddress,
+		},
+		Filter: &event.FilterType{
+			TopicExpression: &event.TopicExpressionType{
+				TopicKinds: "tns1:VideoSource//.",
+			},
+		},
+		TerminationTime: &terminationTime,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	result := &event.SubscribeResponse{}
+	err = unmarshalResponse(resp, result)
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}

service/onvif/util.go

@@ -0,0 +1,30 @@
+package onvif
+
+import (
+	"encoding/xml"
+	"github.com/IOTechSystems/onvif/gosoap"
+	"io"
+	"net/http"
+)
+
+func readResponse(resp *http.Response) (string, error) {
+	b, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return string(b), nil
+}
+
+func unmarshalResponse(resp *http.Response, target any) error {
+	b, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+
+	if err = xml.Unmarshal(b, gosoap.NewSOAPEnvelope(target)); err != nil {
+		return err
+	}
+
+	return nil
+}