Init commit

.gitignore

+.idea
+logs
+go.sum
+nohup.out

appNodeInterface/request.go

+package appNodeInterface
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"schedulerNode/log"
+	"schedulerNode/models"
+)
+
+var client *http.Client
+
+func init() {
+	client = &http.Client{}
+}
+
+func SendSignallingInfo(ip, port string, req *models.SendSignallingReq) *models.AppNodeResponse {
+	reqBody, err := json.Marshal(req)
+	if err != nil {
+		log.Error("json marshal  sendSignallingReq  failed ", err)
+		return nil
+	}
+	url := fmt.Sprintf("http://%s:%s%s", ip, port, "/v1/connectSignalling")
+	request, err := http.NewRequest("POST", url, bytes.NewReader(reqBody))
+	if err != nil {
+		log.Error("Error connectSignalling request ", err)
+		return nil
+	}
+	resp, err := client.Do(request)
+	if err != nil {
+		log.Error("Error sending", err)
+		return nil
+	}
+	appNodeResp := &models.AppNodeResponse{}
+	respBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Error("Error reading response body", err)
+		return nil
+	}
+	err = json.Unmarshal(respBody, appNodeResp)
+	if err != nil {
+		log.Error("Unmarshal error: ", err)
+		return nil
+	}
+	return appNodeResp
+}
+
+func GetSignallingConnectStatus(ip, port string) *models.SignallingConnectStatus {
+	url := fmt.Sprintf("http://%s:%s%s", ip, port, "/v1/signalStatus")
+	request, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Error("GetSignallingConnectStatus Error new request: ", err)
+		return nil
+	}
+	resp, err := client.Do(request)
+	if err != nil {
+		log.Error("GetSignallingConnectStatus send request error: ", err)
+		return nil
+	}
+	respBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Error("GetSignallingConnectStatus read resp body  error: ", err)
+		return nil
+	}
+	res := &models.SignallingConnectStatus{}
+	err = json.Unmarshal(respBody, &res)
+	if err != nil {
+		log.Error("GetSignallingConnectStatus json unmarshal error:", err)
+		return nil
+	}
+	return res
+}

common/constant.go

+package nodeCommon
+
+const (
+	SuccessCode = 200
+	FaileCode   = 500
+)

conf/app.conf

+appname = schedulerNode
+httpport = 8080
+runmode = dev
+autorender = false
+copyrequestbody = true
+
+distance = 1000
+local_ip = 192.168.1.100
+
+[chain]
+rpcUrl = "http://124.193.167.71:7545"
+
+[contract_address]
+app_contract = "0xD42c37fe44f1a0e7CA50B8bf5a5Bb96747C73aAb"
\ No newline at end of file

contract/abi/CloudApplication.abi

+[
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "const",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferred",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "_const",
+      "outputs": [
+        {
+          "internalType": "contract ICloudConstant",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_admin",
+          "type": "address"
+        }
+      ],
+      "name": "addAdmin",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "nodeId",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "appId",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "name",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "version",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "status",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "resolutionRatio",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "fps",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "gamePads",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "isHdrSupported",
+          "type": "string"
+        }
+      ],
+      "name": "addAppInfo",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "nodeId",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "externalIp",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "serverPort",
+          "type": "string"
+        },
+        {
+          "internalType": "string[]",
+          "name": "stunIp",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "turnIp",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "turnUser",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "turnPwd",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string",
+          "name": "signallingHttpIp",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "signallingWsIp",
+          "type": "string"
+        }
+      ],
+      "name": "addNodeNetworkInfo",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "nodeId",
+          "type": "string"
+        },
+        {
+          "internalType": "string[]",
+          "name": "appId",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "name",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "version",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "status",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "resolutionRatio",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "fps",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "gamePads",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "isHdrSupported",
+          "type": "string[]"
+        }
+      ],
+      "name": "batchAddAppInfo",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_admin",
+          "type": "address"
+        }
+      ],
+      "name": "delAdmin",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint8",
+          "name": "start",
+          "type": "uint8"
+        },
+        {
+          "internalType": "uint8",
+          "name": "count",
+          "type": "uint8"
+        }
+      ],
+      "name": "getAppIds",
+      "outputs": [
+        {
+          "internalType": "string[]",
+          "name": "res",
+          "type": "string[]"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "nodeId",
+          "type": "string"
+        },
+        {
+          "internalType": "uint8",
+          "name": "start",
+          "type": "uint8"
+        },
+        {
+          "internalType": "uint8",
+          "name": "count",
+          "type": "uint8"
+        }
+      ],
+      "name": "getAppIdsForNode",
+      "outputs": [
+        {
+          "internalType": "string[]",
+          "name": "res",
+          "type": "string[]"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "appId",
+          "type": "string"
+        }
+      ],
+      "name": "getAppInfo",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "name",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "version",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "status",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "resolutionRatio",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "fps",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "gamePads",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "isHdrSupported",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "appId",
+          "type": "string"
+        },
+        {
+          "internalType": "uint8",
+          "name": "start",
+          "type": "uint8"
+        },
+        {
+          "internalType": "uint8",
+          "name": "count",
+          "type": "uint8"
+        }
+      ],
+      "name": "getNodeIds",
+      "outputs": [
+        {
+          "internalType": "string[]",
+          "name": "res",
+          "type": "string[]"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "nodeId",
+          "type": "string"
+        }
+      ],
+      "name": "getNodeNetwork",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "externalIp",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "serverPort",
+          "type": "string"
+        },
+        {
+          "internalType": "string[]",
+          "name": "stunIp",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "turnIp",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "turnUser",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string[]",
+          "name": "turnPwd",
+          "type": "string[]"
+        },
+        {
+          "internalType": "string",
+          "name": "signallingHttpIp",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "signallingWsIp",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_addr",
+          "type": "address"
+        }
+      ],
+      "name": "isAdmin",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "appId",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "nodeId",
+          "type": "string"
+        }
+      ],
+      "name": "isAppBoundToNode",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "owner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "renounceOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "const",
+          "type": "address"
+        }
+      ],
+      "name": "setConstant",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "transferOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ]
\ No newline at end of file

contract/go_file/CloudApplication.go

+// Code generated - DO NOT EDIT.
+// This file is a generated binding and any manual changes will be lost.
+
+package application
+
+import (
+	"errors"
+	"math/big"
+	"strings"
+
+	ethereum "github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/event"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var (
+	_ = errors.New
+	_ = big.NewInt
+	_ = strings.NewReader
+	_ = ethereum.NotFound
+	_ = bind.Bind
+	_ = common.Big1
+	_ = types.BloomLookup
+	_ = event.NewSubscription
+)
+
+// ApplicationMetaData contains all meta data concerning the Application contract.
+var ApplicationMetaData = &bind.MetaData{
+	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"const\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"_const\",\"outputs\":[{\"internalType\":\"contractICloudConstant\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_admin\",\"type\":\"address\"}],\"name\":\"addAdmin\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"nodeId\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"appId\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"name\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"version\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"status\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"resolutionRatio\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"fps\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"gamePads\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"isHdrSupported\",\"type\":\"string\"}],\"name\":\"addAppInfo\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"nodeId\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"externalIp\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"serverPort\",\"type\":\"string\"},{\"internalType\":\"string[]\",\"name\":\"stunIp\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"turnIp\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"turnUser\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"turnPwd\",\"type\":\"string[]\"},{\"internalType\":\"string\",\"name\":\"signallingHttpIp\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"signallingWsIp\",\"type\":\"string\"}],\"name\":\"addNodeNetworkInfo\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"nodeId\",\"type\":\"string\"},{\"internalType\":\"string[]\",\"name\":\"appId\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"name\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"version\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"status\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"resolutionRatio\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"fps\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"gamePads\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"isHdrSupported\",\"type\":\"string[]\"}],\"name\":\"batchAddAppInfo\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_admin\",\"type\":\"address\"}],\"name\":\"delAdmin\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint8\",\"name\":\"start\",\"type\":\"uint8\"},{\"internalType\":\"uint8\",\"name\":\"count\",\"type\":\"uint8\"}],\"name\":\"getAppIds\",\"outputs\":[{\"internalType\":\"string[]\",\"name\":\"res\",\"type\":\"string[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"nodeId\",\"type\":\"string\"},{\"internalType\":\"uint8\",\"name\":\"start\",\"type\":\"uint8\"},{\"internalType\":\"uint8\",\"name\":\"count\",\"type\":\"uint8\"}],\"name\":\"getAppIdsForNode\",\"outputs\":[{\"internalType\":\"string[]\",\"name\":\"res\",\"type\":\"string[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"appId\",\"type\":\"string\"}],\"name\":\"getAppInfo\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"name\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"version\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"status\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"resolutionRatio\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"fps\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"gamePads\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"isHdrSupported\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"appId\",\"type\":\"string\"},{\"internalType\":\"uint8\",\"name\":\"start\",\"type\":\"uint8\"},{\"internalType\":\"uint8\",\"name\":\"count\",\"type\":\"uint8\"}],\"name\":\"getNodeIds\",\"outputs\":[{\"internalType\":\"string[]\",\"name\":\"res\",\"type\":\"string[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"nodeId\",\"type\":\"string\"}],\"name\":\"getNodeNetwork\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"externalIp\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"serverPort\",\"type\":\"string\"},{\"internalType\":\"string[]\",\"name\":\"stunIp\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"turnIp\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"turnUser\",\"type\":\"string[]\"},{\"internalType\":\"string[]\",\"name\":\"turnPwd\",\"type\":\"string[]\"},{\"internalType\":\"string\",\"name\":\"signallingHttpIp\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"signallingWsIp\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_addr\",\"type\":\"address\"}],\"name\":\"isAdmin\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"appId\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"nodeId\",\"type\":\"string\"}],\"name\":\"isAppBoundToNode\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"const\",\"type\":\"address\"}],\"name\":\"setConstant\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
+}
+
+// ApplicationABI is the input ABI used to generate the binding from.
+// Deprecated: Use ApplicationMetaData.ABI instead.
+var ApplicationABI = ApplicationMetaData.ABI
+
+// Application is an auto generated Go binding around an Ethereum contract.
+type Application struct {
+	ApplicationCaller     // Read-only binding to the contract
+	ApplicationTransactor // Write-only binding to the contract
+	ApplicationFilterer   // Log filterer for contract events
+}
+
+// ApplicationCaller is an auto generated read-only Go binding around an Ethereum contract.
+type ApplicationCaller struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// ApplicationTransactor is an auto generated write-only Go binding around an Ethereum contract.
+type ApplicationTransactor struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// ApplicationFilterer is an auto generated log filtering Go binding around an Ethereum contract events.
+type ApplicationFilterer struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// ApplicationSession is an auto generated Go binding around an Ethereum contract,
+// with pre-set call and transact options.
+type ApplicationSession struct {
+	Contract     *Application      // Generic contract binding to set the session for
+	CallOpts     bind.CallOpts     // Call options to use throughout this session
+	TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
+}
+
+// ApplicationCallerSession is an auto generated read-only Go binding around an Ethereum contract,
+// with pre-set call options.
+type ApplicationCallerSession struct {
+	Contract *ApplicationCaller // Generic contract caller binding to set the session for
+	CallOpts bind.CallOpts      // Call options to use throughout this session
+}
+
+// ApplicationTransactorSession is an auto generated write-only Go binding around an Ethereum contract,
+// with pre-set transact options.
+type ApplicationTransactorSession struct {
+	Contract     *ApplicationTransactor // Generic contract transactor binding to set the session for
+	TransactOpts bind.TransactOpts      // Transaction auth options to use throughout this session
+}
+
+// ApplicationRaw is an auto generated low-level Go binding around an Ethereum contract.
+type ApplicationRaw struct {
+	Contract *Application // Generic contract binding to access the raw methods on
+}
+
+// ApplicationCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
+type ApplicationCallerRaw struct {
+	Contract *ApplicationCaller // Generic read-only contract binding to access the raw methods on
+}
+
+// ApplicationTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
+type ApplicationTransactorRaw struct {
+	Contract *ApplicationTransactor // Generic write-only contract binding to access the raw methods on
+}
+
+// NewApplication creates a new instance of Application, bound to a specific deployed contract.
+func NewApplication(address common.Address, backend bind.ContractBackend) (*Application, error) {
+	contract, err := bindApplication(address, backend, backend, backend)
+	if err != nil {
+		return nil, err
+	}
+	return &Application{ApplicationCaller: ApplicationCaller{contract: contract}, ApplicationTransactor: ApplicationTransactor{contract: contract}, ApplicationFilterer: ApplicationFilterer{contract: contract}}, nil
+}
+
+// NewApplicationCaller creates a new read-only instance of Application, bound to a specific deployed contract.
+func NewApplicationCaller(address common.Address, caller bind.ContractCaller) (*ApplicationCaller, error) {
+	contract, err := bindApplication(address, caller, nil, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &ApplicationCaller{contract: contract}, nil
+}
+
+// NewApplicationTransactor creates a new write-only instance of Application, bound to a specific deployed contract.
+func NewApplicationTransactor(address common.Address, transactor bind.ContractTransactor) (*ApplicationTransactor, error) {
+	contract, err := bindApplication(address, nil, transactor, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &ApplicationTransactor{contract: contract}, nil
+}
+
+// NewApplicationFilterer creates a new log filterer instance of Application, bound to a specific deployed contract.
+func NewApplicationFilterer(address common.Address, filterer bind.ContractFilterer) (*ApplicationFilterer, error) {
+	contract, err := bindApplication(address, nil, nil, filterer)
+	if err != nil {
+		return nil, err
+	}
+	return &ApplicationFilterer{contract: contract}, nil
+}
+
+// bindApplication binds a generic wrapper to an already deployed contract.
+func bindApplication(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
+	parsed, err := abi.JSON(strings.NewReader(ApplicationABI))
+	if err != nil {
+		return nil, err
+	}
+	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_Application *ApplicationRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
+	return _Application.Contract.ApplicationCaller.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_Application *ApplicationRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Application.Contract.ApplicationTransactor.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_Application *ApplicationRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _Application.Contract.ApplicationTransactor.contract.Transact(opts, method, params...)
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_Application *ApplicationCallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
+	return _Application.Contract.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_Application *ApplicationTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Application.Contract.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_Application *ApplicationTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _Application.Contract.contract.Transact(opts, method, params...)
+}
+
+// Const is a free data retrieval call binding the contract method 0xe76dba42.
+//
+// Solidity: function _const() view returns(address)
+func (_Application *ApplicationCaller) Const(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "_const")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// Const is a free data retrieval call binding the contract method 0xe76dba42.
+//
+// Solidity: function _const() view returns(address)
+func (_Application *ApplicationSession) Const() (common.Address, error) {
+	return _Application.Contract.Const(&_Application.CallOpts)
+}
+
+// Const is a free data retrieval call binding the contract method 0xe76dba42.
+//
+// Solidity: function _const() view returns(address)
+func (_Application *ApplicationCallerSession) Const() (common.Address, error) {
+	return _Application.Contract.Const(&_Application.CallOpts)
+}
+
+// GetAppIds is a free data retrieval call binding the contract method 0xc317ba43.
+//
+// Solidity: function getAppIds(uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationCaller) GetAppIds(opts *bind.CallOpts, start uint8, count uint8) ([]string, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "getAppIds", start, count)
+
+	if err != nil {
+		return *new([]string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new([]string)).(*[]string)
+
+	return out0, err
+
+}
+
+// GetAppIds is a free data retrieval call binding the contract method 0xc317ba43.
+//
+// Solidity: function getAppIds(uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationSession) GetAppIds(start uint8, count uint8) ([]string, error) {
+	return _Application.Contract.GetAppIds(&_Application.CallOpts, start, count)
+}
+
+// GetAppIds is a free data retrieval call binding the contract method 0xc317ba43.
+//
+// Solidity: function getAppIds(uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationCallerSession) GetAppIds(start uint8, count uint8) ([]string, error) {
+	return _Application.Contract.GetAppIds(&_Application.CallOpts, start, count)
+}
+
+// GetAppIdsForNode is a free data retrieval call binding the contract method 0x1b10a03c.
+//
+// Solidity: function getAppIdsForNode(string nodeId, uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationCaller) GetAppIdsForNode(opts *bind.CallOpts, nodeId string, start uint8, count uint8) ([]string, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "getAppIdsForNode", nodeId, start, count)
+
+	if err != nil {
+		return *new([]string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new([]string)).(*[]string)
+
+	return out0, err
+
+}
+
+// GetAppIdsForNode is a free data retrieval call binding the contract method 0x1b10a03c.
+//
+// Solidity: function getAppIdsForNode(string nodeId, uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationSession) GetAppIdsForNode(nodeId string, start uint8, count uint8) ([]string, error) {
+	return _Application.Contract.GetAppIdsForNode(&_Application.CallOpts, nodeId, start, count)
+}
+
+// GetAppIdsForNode is a free data retrieval call binding the contract method 0x1b10a03c.
+//
+// Solidity: function getAppIdsForNode(string nodeId, uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationCallerSession) GetAppIdsForNode(nodeId string, start uint8, count uint8) ([]string, error) {
+	return _Application.Contract.GetAppIdsForNode(&_Application.CallOpts, nodeId, start, count)
+}
+
+// GetAppInfo is a free data retrieval call binding the contract method 0x3acefa17.
+//
+// Solidity: function getAppInfo(string appId) view returns(string name, string version, string status, string resolutionRatio, string fps, string gamePads, string isHdrSupported)
+func (_Application *ApplicationCaller) GetAppInfo(opts *bind.CallOpts, appId string) (struct {
+	Name            string
+	Version         string
+	Status          string
+	ResolutionRatio string
+	Fps             string
+	GamePads        string
+	IsHdrSupported  string
+}, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "getAppInfo", appId)
+
+	outstruct := new(struct {
+		Name            string
+		Version         string
+		Status          string
+		ResolutionRatio string
+		Fps             string
+		GamePads        string
+		IsHdrSupported  string
+	})
+	if err != nil {
+		return *outstruct, err
+	}
+
+	outstruct.Name = *abi.ConvertType(out[0], new(string)).(*string)
+	outstruct.Version = *abi.ConvertType(out[1], new(string)).(*string)
+	outstruct.Status = *abi.ConvertType(out[2], new(string)).(*string)
+	outstruct.ResolutionRatio = *abi.ConvertType(out[3], new(string)).(*string)
+	outstruct.Fps = *abi.ConvertType(out[4], new(string)).(*string)
+	outstruct.GamePads = *abi.ConvertType(out[5], new(string)).(*string)
+	outstruct.IsHdrSupported = *abi.ConvertType(out[6], new(string)).(*string)
+
+	return *outstruct, err
+
+}
+
+// GetAppInfo is a free data retrieval call binding the contract method 0x3acefa17.
+//
+// Solidity: function getAppInfo(string appId) view returns(string name, string version, string status, string resolutionRatio, string fps, string gamePads, string isHdrSupported)
+func (_Application *ApplicationSession) GetAppInfo(appId string) (struct {
+	Name            string
+	Version         string
+	Status          string
+	ResolutionRatio string
+	Fps             string
+	GamePads        string
+	IsHdrSupported  string
+}, error) {
+	return _Application.Contract.GetAppInfo(&_Application.CallOpts, appId)
+}
+
+// GetAppInfo is a free data retrieval call binding the contract method 0x3acefa17.
+//
+// Solidity: function getAppInfo(string appId) view returns(string name, string version, string status, string resolutionRatio, string fps, string gamePads, string isHdrSupported)
+func (_Application *ApplicationCallerSession) GetAppInfo(appId string) (struct {
+	Name            string
+	Version         string
+	Status          string
+	ResolutionRatio string
+	Fps             string
+	GamePads        string
+	IsHdrSupported  string
+}, error) {
+	return _Application.Contract.GetAppInfo(&_Application.CallOpts, appId)
+}
+
+// GetNodeIds is a free data retrieval call binding the contract method 0xb85e84c2.
+//
+// Solidity: function getNodeIds(string appId, uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationCaller) GetNodeIds(opts *bind.CallOpts, appId string, start uint8, count uint8) ([]string, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "getNodeIds", appId, start, count)
+
+	if err != nil {
+		return *new([]string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new([]string)).(*[]string)
+
+	return out0, err
+
+}
+
+// GetNodeIds is a free data retrieval call binding the contract method 0xb85e84c2.
+//
+// Solidity: function getNodeIds(string appId, uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationSession) GetNodeIds(appId string, start uint8, count uint8) ([]string, error) {
+	return _Application.Contract.GetNodeIds(&_Application.CallOpts, appId, start, count)
+}
+
+// GetNodeIds is a free data retrieval call binding the contract method 0xb85e84c2.
+//
+// Solidity: function getNodeIds(string appId, uint8 start, uint8 count) view returns(string[] res)
+func (_Application *ApplicationCallerSession) GetNodeIds(appId string, start uint8, count uint8) ([]string, error) {
+	return _Application.Contract.GetNodeIds(&_Application.CallOpts, appId, start, count)
+}
+
+// GetNodeNetwork is a free data retrieval call binding the contract method 0xc3a616ea.
+//
+// Solidity: function getNodeNetwork(string nodeId) view returns(string externalIp, string serverPort, string[] stunIp, string[] turnIp, string[] turnUser, string[] turnPwd, string signallingHttpIp, string signallingWsIp)
+func (_Application *ApplicationCaller) GetNodeNetwork(opts *bind.CallOpts, nodeId string) (struct {
+	ExternalIp       string
+	ServerPort       string
+	StunIp           []string
+	TurnIp           []string
+	TurnUser         []string
+	TurnPwd          []string
+	SignallingHttpIp string
+	SignallingWsIp   string
+}, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "getNodeNetwork", nodeId)
+
+	outstruct := new(struct {
+		ExternalIp       string
+		ServerPort       string
+		StunIp           []string
+		TurnIp           []string
+		TurnUser         []string
+		TurnPwd          []string
+		SignallingHttpIp string
+		SignallingWsIp   string
+	})
+	if err != nil {
+		return *outstruct, err
+	}
+
+	outstruct.ExternalIp = *abi.ConvertType(out[0], new(string)).(*string)
+	outstruct.ServerPort = *abi.ConvertType(out[1], new(string)).(*string)
+	outstruct.StunIp = *abi.ConvertType(out[2], new([]string)).(*[]string)
+	outstruct.TurnIp = *abi.ConvertType(out[3], new([]string)).(*[]string)
+	outstruct.TurnUser = *abi.ConvertType(out[4], new([]string)).(*[]string)
+	outstruct.TurnPwd = *abi.ConvertType(out[5], new([]string)).(*[]string)
+	outstruct.SignallingHttpIp = *abi.ConvertType(out[6], new(string)).(*string)
+	outstruct.SignallingWsIp = *abi.ConvertType(out[7], new(string)).(*string)
+
+	return *outstruct, err
+
+}
+
+// GetNodeNetwork is a free data retrieval call binding the contract method 0xc3a616ea.
+//
+// Solidity: function getNodeNetwork(string nodeId) view returns(string externalIp, string serverPort, string[] stunIp, string[] turnIp, string[] turnUser, string[] turnPwd, string signallingHttpIp, string signallingWsIp)
+func (_Application *ApplicationSession) GetNodeNetwork(nodeId string) (struct {
+	ExternalIp       string
+	ServerPort       string
+	StunIp           []string
+	TurnIp           []string
+	TurnUser         []string
+	TurnPwd          []string
+	SignallingHttpIp string
+	SignallingWsIp   string
+}, error) {
+	return _Application.Contract.GetNodeNetwork(&_Application.CallOpts, nodeId)
+}
+
+// GetNodeNetwork is a free data retrieval call binding the contract method 0xc3a616ea.
+//
+// Solidity: function getNodeNetwork(string nodeId) view returns(string externalIp, string serverPort, string[] stunIp, string[] turnIp, string[] turnUser, string[] turnPwd, string signallingHttpIp, string signallingWsIp)
+func (_Application *ApplicationCallerSession) GetNodeNetwork(nodeId string) (struct {
+	ExternalIp       string
+	ServerPort       string
+	StunIp           []string
+	TurnIp           []string
+	TurnUser         []string
+	TurnPwd          []string
+	SignallingHttpIp string
+	SignallingWsIp   string
+}, error) {
+	return _Application.Contract.GetNodeNetwork(&_Application.CallOpts, nodeId)
+}
+
+// IsAdmin is a free data retrieval call binding the contract method 0x24d7806c.
+//
+// Solidity: function isAdmin(address _addr) view returns(bool)
+func (_Application *ApplicationCaller) IsAdmin(opts *bind.CallOpts, _addr common.Address) (bool, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "isAdmin", _addr)
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// IsAdmin is a free data retrieval call binding the contract method 0x24d7806c.
+//
+// Solidity: function isAdmin(address _addr) view returns(bool)
+func (_Application *ApplicationSession) IsAdmin(_addr common.Address) (bool, error) {
+	return _Application.Contract.IsAdmin(&_Application.CallOpts, _addr)
+}
+
+// IsAdmin is a free data retrieval call binding the contract method 0x24d7806c.
+//
+// Solidity: function isAdmin(address _addr) view returns(bool)
+func (_Application *ApplicationCallerSession) IsAdmin(_addr common.Address) (bool, error) {
+	return _Application.Contract.IsAdmin(&_Application.CallOpts, _addr)
+}
+
+// IsAppBoundToNode is a free data retrieval call binding the contract method 0xfbbaf2c1.
+//
+// Solidity: function isAppBoundToNode(string appId, string nodeId) view returns(bool)
+func (_Application *ApplicationCaller) IsAppBoundToNode(opts *bind.CallOpts, appId string, nodeId string) (bool, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "isAppBoundToNode", appId, nodeId)
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// IsAppBoundToNode is a free data retrieval call binding the contract method 0xfbbaf2c1.
+//
+// Solidity: function isAppBoundToNode(string appId, string nodeId) view returns(bool)
+func (_Application *ApplicationSession) IsAppBoundToNode(appId string, nodeId string) (bool, error) {
+	return _Application.Contract.IsAppBoundToNode(&_Application.CallOpts, appId, nodeId)
+}
+
+// IsAppBoundToNode is a free data retrieval call binding the contract method 0xfbbaf2c1.
+//
+// Solidity: function isAppBoundToNode(string appId, string nodeId) view returns(bool)
+func (_Application *ApplicationCallerSession) IsAppBoundToNode(appId string, nodeId string) (bool, error) {
+	return _Application.Contract.IsAppBoundToNode(&_Application.CallOpts, appId, nodeId)
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_Application *ApplicationCaller) Owner(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _Application.contract.Call(opts, &out, "owner")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_Application *ApplicationSession) Owner() (common.Address, error) {
+	return _Application.Contract.Owner(&_Application.CallOpts)
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_Application *ApplicationCallerSession) Owner() (common.Address, error) {
+	return _Application.Contract.Owner(&_Application.CallOpts)
+}
+
+// AddAdmin is a paid mutator transaction binding the contract method 0x70480275.
+//
+// Solidity: function addAdmin(address _admin) returns()
+func (_Application *ApplicationTransactor) AddAdmin(opts *bind.TransactOpts, _admin common.Address) (*types.Transaction, error) {
+	return _Application.contract.Transact(opts, "addAdmin", _admin)
+}
+
+// AddAdmin is a paid mutator transaction binding the contract method 0x70480275.
+//
+// Solidity: function addAdmin(address _admin) returns()
+func (_Application *ApplicationSession) AddAdmin(_admin common.Address) (*types.Transaction, error) {
+	return _Application.Contract.AddAdmin(&_Application.TransactOpts, _admin)
+}
+
+// AddAdmin is a paid mutator transaction binding the contract method 0x70480275.
+//
+// Solidity: function addAdmin(address _admin) returns()
+func (_Application *ApplicationTransactorSession) AddAdmin(_admin common.Address) (*types.Transaction, error) {
+	return _Application.Contract.AddAdmin(&_Application.TransactOpts, _admin)
+}
+
+// AddAppInfo is a paid mutator transaction binding the contract method 0x5ea4ff47.
+//
+// Solidity: function addAppInfo(string nodeId, string appId, string name, string version, string status, string resolutionRatio, string fps, string gamePads, string isHdrSupported) returns()
+func (_Application *ApplicationTransactor) AddAppInfo(opts *bind.TransactOpts, nodeId string, appId string, name string, version string, status string, resolutionRatio string, fps string, gamePads string, isHdrSupported string) (*types.Transaction, error) {
+	return _Application.contract.Transact(opts, "addAppInfo", nodeId, appId, name, version, status, resolutionRatio, fps, gamePads, isHdrSupported)
+}
+
+// AddAppInfo is a paid mutator transaction binding the contract method 0x5ea4ff47.
+//
+// Solidity: function addAppInfo(string nodeId, string appId, string name, string version, string status, string resolutionRatio, string fps, string gamePads, string isHdrSupported) returns()
+func (_Application *ApplicationSession) AddAppInfo(nodeId string, appId string, name string, version string, status string, resolutionRatio string, fps string, gamePads string, isHdrSupported string) (*types.Transaction, error) {
+	return _Application.Contract.AddAppInfo(&_Application.TransactOpts, nodeId, appId, name, version, status, resolutionRatio, fps, gamePads, isHdrSupported)
+}
+
+// AddAppInfo is a paid mutator transaction binding the contract method 0x5ea4ff47.
+//
+// Solidity: function addAppInfo(string nodeId, string appId, string name, string version, string status, string resolutionRatio, string fps, string gamePads, string isHdrSupported) returns()
+func (_Application *ApplicationTransactorSession) AddAppInfo(nodeId string, appId string, name string, version string, status string, resolutionRatio string, fps string, gamePads string, isHdrSupported string) (*types.Transaction, error) {
+	return _Application.Contract.AddAppInfo(&_Application.TransactOpts, nodeId, appId, name, version, status, resolutionRatio, fps, gamePads, isHdrSupported)
+}
+
+// AddNodeNetworkInfo is a paid mutator transaction binding the contract method 0x103418a4.
+//
+// Solidity: function addNodeNetworkInfo(string nodeId, string externalIp, string serverPort, string[] stunIp, string[] turnIp, string[] turnUser, string[] turnPwd, string signallingHttpIp, string signallingWsIp) returns()
+func (_Application *ApplicationTransactor) AddNodeNetworkInfo(opts *bind.TransactOpts, nodeId string, externalIp string, serverPort string, stunIp []string, turnIp []string, turnUser []string, turnPwd []string, signallingHttpIp string, signallingWsIp string) (*types.Transaction, error) {
+	return _Application.contract.Transact(opts, "addNodeNetworkInfo", nodeId, externalIp, serverPort, stunIp, turnIp, turnUser, turnPwd, signallingHttpIp, signallingWsIp)
+}
+
+// AddNodeNetworkInfo is a paid mutator transaction binding the contract method 0x103418a4.
+//
+// Solidity: function addNodeNetworkInfo(string nodeId, string externalIp, string serverPort, string[] stunIp, string[] turnIp, string[] turnUser, string[] turnPwd, string signallingHttpIp, string signallingWsIp) returns()
+func (_Application *ApplicationSession) AddNodeNetworkInfo(nodeId string, externalIp string, serverPort string, stunIp []string, turnIp []string, turnUser []string, turnPwd []string, signallingHttpIp string, signallingWsIp string) (*types.Transaction, error) {
+	return _Application.Contract.AddNodeNetworkInfo(&_Application.TransactOpts, nodeId, externalIp, serverPort, stunIp, turnIp, turnUser, turnPwd, signallingHttpIp, signallingWsIp)
+}
+
+// AddNodeNetworkInfo is a paid mutator transaction binding the contract method 0x103418a4.
+//
+// Solidity: function addNodeNetworkInfo(string nodeId, string externalIp, string serverPort, string[] stunIp, string[] turnIp, string[] turnUser, string[] turnPwd, string signallingHttpIp, string signallingWsIp) returns()
+func (_Application *ApplicationTransactorSession) AddNodeNetworkInfo(nodeId string, externalIp string, serverPort string, stunIp []string, turnIp []string, turnUser []string, turnPwd []string, signallingHttpIp string, signallingWsIp string) (*types.Transaction, error) {
+	return _Application.Contract.AddNodeNetworkInfo(&_Application.TransactOpts, nodeId, externalIp, serverPort, stunIp, turnIp, turnUser, turnPwd, signallingHttpIp, signallingWsIp)
+}
+
+// BatchAddAppInfo is a paid mutator transaction binding the contract method 0x93c011c2.
+//
+// Solidity: function batchAddAppInfo(string nodeId, string[] appId, string[] name, string[] version, string[] status, string[] resolutionRatio, string[] fps, string[] gamePads, string[] isHdrSupported) returns()
+func (_Application *ApplicationTransactor) BatchAddAppInfo(opts *bind.TransactOpts, nodeId string, appId []string, name []string, version []string, status []string, resolutionRatio []string, fps []string, gamePads []string, isHdrSupported []string) (*types.Transaction, error) {
+	return _Application.contract.Transact(opts, "batchAddAppInfo", nodeId, appId, name, version, status, resolutionRatio, fps, gamePads, isHdrSupported)
+}
+
+// BatchAddAppInfo is a paid mutator transaction binding the contract method 0x93c011c2.
+//
+// Solidity: function batchAddAppInfo(string nodeId, string[] appId, string[] name, string[] version, string[] status, string[] resolutionRatio, string[] fps, string[] gamePads, string[] isHdrSupported) returns()
+func (_Application *ApplicationSession) BatchAddAppInfo(nodeId string, appId []string, name []string, version []string, status []string, resolutionRatio []string, fps []string, gamePads []string, isHdrSupported []string) (*types.Transaction, error) {
+	return _Application.Contract.BatchAddAppInfo(&_Application.TransactOpts, nodeId, appId, name, version, status, resolutionRatio, fps, gamePads, isHdrSupported)
+}
+
+// BatchAddAppInfo is a paid mutator transaction binding the contract method 0x93c011c2.
+//
+// Solidity: function batchAddAppInfo(string nodeId, string[] appId, string[] name, string[] version, string[] status, string[] resolutionRatio, string[] fps, string[] gamePads, string[] isHdrSupported) returns()
+func (_Application *ApplicationTransactorSession) BatchAddAppInfo(nodeId string, appId []string, name []string, version []string, status []string, resolutionRatio []string, fps []string, gamePads []string, isHdrSupported []string) (*types.Transaction, error) {
+	return _Application.Contract.BatchAddAppInfo(&_Application.TransactOpts, nodeId, appId, name, version, status, resolutionRatio, fps, gamePads, isHdrSupported)
+}
+
+// DelAdmin is a paid mutator transaction binding the contract method 0x62d91855.
+//
+// Solidity: function delAdmin(address _admin) returns()
+func (_Application *ApplicationTransactor) DelAdmin(opts *bind.TransactOpts, _admin common.Address) (*types.Transaction, error) {
+	return _Application.contract.Transact(opts, "delAdmin", _admin)
+}
+
+// DelAdmin is a paid mutator transaction binding the contract method 0x62d91855.
+//
+// Solidity: function delAdmin(address _admin) returns()
+func (_Application *ApplicationSession) DelAdmin(_admin common.Address) (*types.Transaction, error) {
+	return _Application.Contract.DelAdmin(&_Application.TransactOpts, _admin)
+}
+
+// DelAdmin is a paid mutator transaction binding the contract method 0x62d91855.
+//
+// Solidity: function delAdmin(address _admin) returns()
+func (_Application *ApplicationTransactorSession) DelAdmin(_admin common.Address) (*types.Transaction, error) {
+	return _Application.Contract.DelAdmin(&_Application.TransactOpts, _admin)
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_Application *ApplicationTransactor) RenounceOwnership(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Application.contract.Transact(opts, "renounceOwnership")
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_Application *ApplicationSession) RenounceOwnership() (*types.Transaction, error) {
+	return _Application.Contract.RenounceOwnership(&_Application.TransactOpts)
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_Application *ApplicationTransactorSession) RenounceOwnership() (*types.Transaction, error) {
+	return _Application.Contract.RenounceOwnership(&_Application.TransactOpts)
+}
+
+// SetConstant is a paid mutator transaction binding the contract method 0xc88e7e42.
+//
+// Solidity: function setConstant(address const) returns()
+func (_Application *ApplicationTransactor) SetConstant(opts *bind.TransactOpts, arg0 common.Address) (*types.Transaction, error) {
+	return _Application.contract.Transact(opts, "setConstant", arg0)
+}
+
+// SetConstant is a paid mutator transaction binding the contract method 0xc88e7e42.
+//
+// Solidity: function setConstant(address const) returns()
+func (_Application *ApplicationSession) SetConstant(arg0 common.Address) (*types.Transaction, error) {
+	return _Application.Contract.SetConstant(&_Application.TransactOpts, arg0)
+}
+
+// SetConstant is a paid mutator transaction binding the contract method 0xc88e7e42.
+//
+// Solidity: function setConstant(address const) returns()
+func (_Application *ApplicationTransactorSession) SetConstant(arg0 common.Address) (*types.Transaction, error) {
+	return _Application.Contract.SetConstant(&_Application.TransactOpts, arg0)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_Application *ApplicationTransactor) TransferOwnership(opts *bind.TransactOpts, newOwner common.Address) (*types.Transaction, error) {
+	return _Application.contract.Transact(opts, "transferOwnership", newOwner)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_Application *ApplicationSession) TransferOwnership(newOwner common.Address) (*types.Transaction, error) {
+	return _Application.Contract.TransferOwnership(&_Application.TransactOpts, newOwner)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_Application *ApplicationTransactorSession) TransferOwnership(newOwner common.Address) (*types.Transaction, error) {
+	return _Application.Contract.TransferOwnership(&_Application.TransactOpts, newOwner)
+}
+
+// ApplicationOwnershipTransferredIterator is returned from FilterOwnershipTransferred and is used to iterate over the raw logs and unpacked data for OwnershipTransferred events raised by the Application contract.
+type ApplicationOwnershipTransferredIterator struct {
+	Event *ApplicationOwnershipTransferred // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *ApplicationOwnershipTransferredIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(ApplicationOwnershipTransferred)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(ApplicationOwnershipTransferred)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *ApplicationOwnershipTransferredIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *ApplicationOwnershipTransferredIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// ApplicationOwnershipTransferred represents a OwnershipTransferred event raised by the Application contract.
+type ApplicationOwnershipTransferred struct {
+	PreviousOwner common.Address
+	NewOwner      common.Address
+	Raw           types.Log // Blockchain specific contextual infos
+}
+
+// FilterOwnershipTransferred is a free log retrieval operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_Application *ApplicationFilterer) FilterOwnershipTransferred(opts *bind.FilterOpts, previousOwner []common.Address, newOwner []common.Address) (*ApplicationOwnershipTransferredIterator, error) {
+
+	var previousOwnerRule []interface{}
+	for _, previousOwnerItem := range previousOwner {
+		previousOwnerRule = append(previousOwnerRule, previousOwnerItem)
+	}
+	var newOwnerRule []interface{}
+	for _, newOwnerItem := range newOwner {
+		newOwnerRule = append(newOwnerRule, newOwnerItem)
+	}
+
+	logs, sub, err := _Application.contract.FilterLogs(opts, "OwnershipTransferred", previousOwnerRule, newOwnerRule)
+	if err != nil {
+		return nil, err
+	}
+	return &ApplicationOwnershipTransferredIterator{contract: _Application.contract, event: "OwnershipTransferred", logs: logs, sub: sub}, nil
+}
+
+// WatchOwnershipTransferred is a free log subscription operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_Application *ApplicationFilterer) WatchOwnershipTransferred(opts *bind.WatchOpts, sink chan<- *ApplicationOwnershipTransferred, previousOwner []common.Address, newOwner []common.Address) (event.Subscription, error) {
+
+	var previousOwnerRule []interface{}
+	for _, previousOwnerItem := range previousOwner {
+		previousOwnerRule = append(previousOwnerRule, previousOwnerItem)
+	}
+	var newOwnerRule []interface{}
+	for _, newOwnerItem := range newOwner {
+		newOwnerRule = append(newOwnerRule, newOwnerItem)
+	}
+
+	logs, sub, err := _Application.contract.WatchLogs(opts, "OwnershipTransferred", previousOwnerRule, newOwnerRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(ApplicationOwnershipTransferred)
+				if err := _Application.contract.UnpackLog(event, "OwnershipTransferred", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseOwnershipTransferred is a log parse operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_Application *ApplicationFilterer) ParseOwnershipTransferred(log types.Log) (*ApplicationOwnershipTransferred, error) {
+	event := new(ApplicationOwnershipTransferred)
+	if err := _Application.contract.UnpackLog(event, "OwnershipTransferred", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}

controllers/BaseController.go

+package controllers
+
+import (
+	"github.com/astaxie/beego"
+	"github.com/astaxie/beego/logs"
+)
+
+type BaseController struct {
+	beego.Controller
+}
+
+func (d *BaseController) ResponseInfo(code int, msg interface{}, result interface{}) {
+	switch code {
+	case 500:
+		logs.Error(msg, result)
+		d.Data["json"] = map[string]interface{}{"code": "500", "msg": msg, "data": result}
+	case 200:
+		logs.Info(msg, result)
+		d.Data["json"] = map[string]interface{}{"code": "200", "msg": msg, "data": result}
+	}
+	d.ServeJSON()
+}

controllers/SignalingController.go

+package controllers
+
+import (
+	"encoding/json"
+	"github.com/astaxie/beego"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"math/big"
+	"schedulerNode/appNodeInterface"
+	nodeCommon "schedulerNode/common"
+	application "schedulerNode/contract/go_file"
+	"schedulerNode/log"
+	"schedulerNode/models"
+	"schedulerNode/utils"
+	"strings"
+)
+
+type SignalingController struct {
+	BaseController
+}
+
+func (c *SignalingController) GetConnectSignalingStatus() {
+	// TODO: 获取前端传入的ExternalIp 以及 Port
+	body := c.Ctx.Input.RequestBody
+	signallingStatus := models.SignallingConnectStatusReq{}
+	err := json.Unmarshal(body, &signallingStatus)
+	if err != nil {
+		c.ResponseInfo(500, "Error unmarshalling", err)
+		return
+	}
+	rpcUrl := beego.AppConfig.String("chain::rpcUrl")
+	appContract := beego.AppConfig.String("contract_address::app_contract")
+	client, err := ethclient.Dial(rpcUrl)
+	if err != nil {
+		c.ResponseInfo(nodeCommon.FaileCode, "Error connecting", err)
+	}
+	defer client.Close()
+	appContractAddr := common.HexToAddress(appContract)
+	applicationInstance, err := application.NewApplication(appContractAddr, client)
+	if err != nil {
+		c.ResponseInfo(nodeCommon.FaileCode, "Error creating application", err)
+	}
+	network, err := applicationInstance.GetNodeNetwork(&bind.CallOpts{}, signallingStatus.NodeId)
+	if err != nil {
+		c.ResponseInfo(nodeCommon.FaileCode, "Error get NodeNetwork application", err)
+	}
+	// TODO: 调用App节点接口获取连接信令状态
+	statusResp := appNodeInterface.GetSignallingConnectStatus(network.ExternalIp, network.ServerPort)
+	if !statusResp.Status || statusResp.Code != nodeCommon.SuccessCode {
+		c.ResponseInfo(nodeCommon.SuccessCode, "disconnected", nil)
+	}
+	c.ResponseInfo(nodeCommon.SuccessCode, "success", nil)
+}
+
+func (c *SignalingController) GetAppNodeInfo() {
+	body := c.Ctx.Input.RequestBody
+	connectAppReq := &models.ConnectAppReq{}
+	err := json.Unmarshal(body, connectAppReq)
+	if err != nil {
+		c.ResponseInfo(nodeCommon.FaileCode, "Error unmarshalling", err)
+	}
+	rpcUrl := beego.AppConfig.String("chain::rpcUrl")
+	appContract := beego.AppConfig.String("contract_address::app_contract")
+	client, err := ethclient.Dial(rpcUrl)
+	if err != nil {
+		c.ResponseInfo(nodeCommon.FaileCode, "Error connecting", err)
+	}
+	defer client.Close()
+	// TODO 获取全部的节点Id
+	appContractAddr := common.HexToAddress(appContract)
+	applicationInstance, err := application.NewApplication(appContractAddr, client)
+	if err != nil {
+		c.ResponseInfo(nodeCommon.FaileCode, "Error creating application", err)
+	}
+	nodeIds, err := applicationInstance.GetNodeIds(&bind.CallOpts{}, connectAppReq.AppId, 0, 100)
+	if err != nil {
+		c.ResponseInfo(nodeCommon.FaileCode, "Error GetNodeIds ", err)
+	}
+	if len(nodeIds) == 0 {
+		c.ResponseInfo(nodeCommon.SuccessCode, "There is currently no node provided to launch the application", nil)
+	}
+	nodeNetworkInfo := models.AppNodeNetworkInfo{}
+	// TODO 通过节点ID获取网络信息
+	for _, nodeId := range nodeIds {
+		network, err := applicationInstance.GetNodeNetwork(&bind.CallOpts{}, nodeId)
+		if err != nil {
+			c.ResponseInfo(nodeCommon.FaileCode, "Error GetAppNodeNetwork ", err)
+		}
+		//if i == len(nodeIds)-1 {
+		if utils.IsCreateVmCondition(network.ExternalIp) {
+			nodeNetworkInfo.NodeId = nodeId
+			nodeNetworkInfo.ExternalIp = network.ExternalIp
+			nodeNetworkInfo.ServerPort = network.ServerPort
+			nodeNetworkInfo.StunIp = network.StunIp
+			nodeNetworkInfo.TurnIp = network.TurnIp
+			nodeNetworkInfo.TurnUser = network.TurnUser
+			nodeNetworkInfo.TurnPwd = network.TurnPwd
+			nodeNetworkInfo.SignallingHttpIp = network.SignallingHttpIp
+			nodeNetworkInfo.SignallingWsIp = network.SignallingWsIp
+			break
+		}
+		//}
+	}
+	// TODO	如果没有对应的服务信息
+	updateServerInfo(&nodeNetworkInfo)
+	// TODO 通知应用节点连接信令节点
+	sendSignallingReq := handlerSendSignallingInfo(&nodeNetworkInfo)
+	rep := appNodeInterface.SendSignallingInfo(nodeNetworkInfo.ExternalIp, nodeNetworkInfo.ServerPort, sendSignallingReq)
+	if rep.Code != nodeCommon.SuccessCode {
+		log.Error("Error sending signalling information failed", rep.Msg)
+		c.ResponseInfo(nodeCommon.FaileCode, "Notice signalling information failed", rep.Msg)
+	}
+	// TODO: 反馈前端信息
+	res := models.AppNodeInfoRep{
+		NodeID:           nodeNetworkInfo.NodeId,
+		ExternalIp:       nodeNetworkInfo.ExternalIp,
+		StunIp:           nodeNetworkInfo.StunIp,
+		SignallingHttpIp: nodeNetworkInfo.SignallingHttpIp,
+		SignallingWsIp:   nodeNetworkInfo.SignallingWsIp,
+	}
+	turnInfoArr := make([]*models.TurnInfo, 0)
+	for i := 0; i < len(nodeNetworkInfo.TurnIp); i++ {
+		turnInfo := &models.TurnInfo{
+			TurnIp: nodeNetworkInfo.TurnIp[i],
+			User:   nodeNetworkInfo.TurnUser[i],
+			Pwd:    nodeNetworkInfo.TurnPwd[i],
+		}
+		turnInfoArr = append(turnInfoArr, turnInfo)
+	}
+	res.TurnInfo = turnInfoArr
+	c.ResponseInfo(nodeCommon.SuccessCode, "success", res)
+}
+
+func handlerSendSignallingInfo(nodeNetworkInfo *models.AppNodeNetworkInfo) *models.SendSignallingReq {
+
+	signallingHttpIpInfo := nodeNetworkInfo.SignallingHttpIp
+	signallingHttpIpPort := strings.Split(signallingHttpIpInfo, ":")
+	signallingHttpPort, _ := new(big.Int).SetString(signallingHttpIpPort[1], 10)
+
+	signallingWsInfo := nodeNetworkInfo.SignallingWsIp
+	signallingWsIpPort := strings.Split(signallingWsInfo, ":")
+	signallingWsPort, _ := new(big.Int).SetString(signallingWsIpPort[1], 10)
+
+	turnInfoReqArr := make([]*models.TurnInfoReq, 0)
+	for i := 0; i < len(nodeNetworkInfo.TurnIp); i++ {
+		turnInfoReq := &models.TurnInfoReq{
+			Url:        nodeNetworkInfo.TurnIp[i],
+			UserName:   nodeNetworkInfo.TurnUser[i],
+			Credential: nodeNetworkInfo.TurnPwd[i],
+		}
+		turnInfoReqArr = append(turnInfoReqArr, turnInfoReq)
+	}
+	sendSignallingReq := &models.SendSignallingReq{
+		MQTTConnectInfo: &models.MQTTConnectInfo{
+			Broker: signallingHttpIpPort[0],
+			Port:   signallingHttpPort,
+			WsPort: signallingWsPort,
+		},
+		ICEConnectInfo: &models.ICEConnectInfo{
+			Stuns: nodeNetworkInfo.StunIp,
+			Turns: turnInfoReqArr,
+		},
+	}
+	return sendSignallingReq
+}
+
+func updateServerInfo(info *models.AppNodeNetworkInfo) {
+	// TODO: 获取网关合约提供的服务信息
+
+	if len(info.TurnIp) == 0 {
+
+	}
+	if len(info.StunIp) == 0 {
+
+	}
+	if info.SignallingHttpIp == "" && info.SignallingWsIp == "" {
+
+	}
+	log.Info("updateServer", info.ExternalIp)
+}

go.mod

+module schedulerNode
+
+go 1.19
+
+require github.com/astaxie/beego v1.12.1
+
+require (
+	github.com/ethereum/go-ethereum v1.13.3
+	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible
+	github.com/oschwald/geoip2-golang v1.9.0
+	github.com/rifflock/lfshook v0.0.0-20180920164130-b9218ef580f5
+	github.com/sirupsen/logrus v1.9.3
+	github.com/smartystreets/goconvey v1.6.4
+)
+
+require (
+	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/StackExchange/wmi v1.2.1 // indirect
+	github.com/bits-and-blooms/bitset v1.5.0 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark-crypto v0.10.0 // indirect
+	github.com/crate-crypto/go-kzg-4844 v0.3.0 // indirect
+	github.com/deckarep/golang-set/v2 v2.1.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
+	github.com/ethereum/c-kzg-4844 v0.3.1 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/go-ole/go-ole v1.2.5 // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/holiman/uint256 v1.2.3 // indirect
+	github.com/jtolds/gls v4.20.0+incompatible // indirect
+	github.com/lestrrat-go/strftime v1.0.6 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
+	github.com/oschwald/maxminddb-golang v1.11.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/shiena/ansicolor v0.0.0-20230509054315-a9deabde6e02 // indirect
+	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
+	github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d // indirect
+	github.com/supranational/blst v0.3.11 // indirect
+	github.com/tklauser/go-sysconf v0.3.12 // indirect
+	github.com/tklauser/numcpus v0.6.1 // indirect
+	golang.org/x/crypto v0.13.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/net v0.15.0 // indirect
+	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/tools v0.13.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
+)

log/log.go

+package log
+
+import (
+	"context"
+	rotatelogs "github.com/lestrrat-go/file-rotatelogs"
+	"github.com/rifflock/lfshook"
+	"github.com/sirupsen/logrus"
+	"os"
+	"path"
+	"time"
+)
+
+var (
+	mlog = logrus.New()
+)
+
+type LogConfig struct {
+	Save  uint   `json:"save"`
+	Path  string `json:"path"`
+	Level string `json:"level"`
+}
+
+func InitLog(logConfig LogConfig) {
+	mlog.Out = os.Stdout
+	var loglevel logrus.Level
+	err := loglevel.UnmarshalText([]byte(logConfig.Level))
+	if err != nil {
+		mlog.Panicf("set log level failed: %v", err)
+	}
+	mlog.SetLevel(loglevel)
+	mlog.Formatter = &logrus.TextFormatter{FullTimestamp: true, TimestampFormat: "2006-01-2 15:04:05.000"}
+	localFilesystemLogger(mlog, logConfig.Path, logConfig.Save)
+}
+
+func logWriter(logPath string, level string, save uint) *rotatelogs.RotateLogs {
+	logFullPath := path.Join(logPath, level)
+	logWriter, err := rotatelogs.New(
+		logFullPath+".%Y%m%d",
+		rotatelogs.WithLinkName(logFullPath),
+		rotatelogs.WithRotationCount(save),
+		rotatelogs.WithRotationTime(24*time.Hour),
+	)
+	if err != nil {
+		panic(err)
+	}
+	return logWriter
+}
+
+func localFilesystemLogger(log *logrus.Logger, logPath string, save uint) {
+	lfHook := lfshook.NewHook(lfshook.WriterMap{
+		logrus.DebugLevel: logWriter(logPath, "debug", save), // 为不同级别设置不同的输出目的
+		logrus.InfoLevel:  logWriter(logPath, "info", save),
+		logrus.WarnLevel:  logWriter(logPath, "warn", save),
+		logrus.ErrorLevel: logWriter(logPath, "error", save),
+		logrus.FatalLevel: logWriter(logPath, "fatal", save),
+		logrus.PanicLevel: logWriter(logPath, "panic", save),
+	}, &logrus.TextFormatter{FullTimestamp: true, TimestampFormat: "2006-01-2 15:04:05.000"})
+	log.AddHook(lfHook)
+}
+
+// WithField allocates a new entry and adds a field to it.
+// Debug, Print, Info, Warn, Error, Fatal or Panic must be then applied to
+// this new returned entry.
+// If you want multiple fields, use `WithFields`.
+func WithField(key string, value interface{}) *logrus.Entry {
+	return mlog.WithField(key, value)
+}
+
+// Adds a struct of fields to the log entry. All it does is call `WithField` for
+// each `Field`.
+func WithFields(fields logrus.Fields) *logrus.Entry {
+	return mlog.WithFields(fields)
+}
+
+// Add an error as single field to the log entry.  All it does is call
+// `WithError` for the given `error`.
+func WithError(err error) *logrus.Entry {
+	return mlog.WithError(err)
+}
+
+// Add a context to the log entry.
+func WithContext(ctx context.Context) *logrus.Entry {
+	return mlog.WithContext(ctx)
+}
+
+// Overrides the time of the log entry.
+func WithTime(t time.Time) *logrus.Entry {
+	return mlog.WithTime(t)
+}
+
+func Logf(level logrus.Level, format string, args ...interface{}) {
+	mlog.Logf(level, format, args...)
+}
+
+func Tracef(format string, args ...interface{}) {
+	mlog.Tracef(format, args...)
+}
+
+func Debugf(format string, args ...interface{}) {
+	mlog.Debugf(format, args...)
+}
+
+func Infof(format string, args ...interface{}) {
+	mlog.Infof(format, args...)
+}
+
+func Printf(format string, args ...interface{}) {
+	mlog.Printf(format, args...)
+}
+
+func Warnf(format string, args ...interface{}) {
+	mlog.Warnf(format, args...)
+}
+
+func Warningf(format string, args ...interface{}) {
+	mlog.Warningf(format, args...)
+}
+
+func Errorf(format string, args ...interface{}) {
+	mlog.Errorf(format, args)
+}
+
+func Fatalf(format string, args ...interface{}) {
+	mlog.Fatalf(format, args...)
+}
+
+func Panicf(format string, args ...interface{}) {
+	mlog.Panicf(format, args...)
+}
+
+func Log(level logrus.Level, args ...interface{}) {
+	mlog.Log(level, args...)
+}
+
+func LogFn(level logrus.Level, fn logrus.LogFunction) {
+	mlog.LogFn(level, fn)
+}
+
+func Trace(args ...interface{}) {
+	mlog.Trace(args...)
+}
+
+func Debug(args ...interface{}) {
+	mlog.Debug(args...)
+}
+
+func Info(args ...interface{}) {
+	mlog.Info(args...)
+}
+
+func Print(args ...interface{}) {
+	mlog.Print(args...)
+}
+
+func Warn(args ...interface{}) {
+	mlog.Warn(args...)
+}
+
+func Warning(args ...interface{}) {
+	mlog.Warning(args...)
+}
+
+func Error(args ...interface{}) {
+	mlog.Error(args...)
+}
+
+func Fatal(args ...interface{}) {
+	mlog.Fatal(args...)
+}
+
+func Panic(args ...interface{}) {
+	mlog.Panic(args...)
+}
+
+func TraceFn(fn logrus.LogFunction) {
+	mlog.TraceFn(fn)
+}
+
+func DebugFn(fn logrus.LogFunction) {
+	mlog.DebugFn(fn)
+}
+
+func InfoFn(fn logrus.LogFunction) {
+	mlog.InfoFn(fn)
+}
+
+func PrintFn(fn logrus.LogFunction) {
+	mlog.PrintFn(fn)
+}
+
+func WarnFn(fn logrus.LogFunction) {
+	mlog.WarnFn(fn)
+}
+
+func WarningFn(fn logrus.LogFunction) {
+	mlog.WarningFn(fn)
+}
+
+func ErrorFn(fn logrus.LogFunction) {
+	mlog.ErrorFn(fn)
+}
+
+func FatalFn(fn logrus.LogFunction) {
+	mlog.FatalFn(fn)
+}
+
+func PanicFn(fn logrus.LogFunction) {
+	mlog.PanicFn(fn)
+}
+
+func Logln(level logrus.Level, args ...interface{}) {
+	mlog.Logln(level, args...)
+}
+
+func Traceln(args ...interface{}) {
+	mlog.Traceln(args...)
+}
+
+func Debugln(args ...interface{}) {
+	mlog.Debugln(args...)
+}
+
+func Infoln(args ...interface{}) {
+	mlog.Infoln(args...)
+}
+
+func Println(args ...interface{}) {
+	mlog.Println(args...)
+}
+
+func Warnln(args ...interface{}) {
+	mlog.Warnln(args...)
+}
+
+func Warningln(args ...interface{}) {
+	mlog.Warningln(args...)
+}
+
+func Errorln(args ...interface{}) {
+	mlog.Errorln(args...)
+}
+
+func Fatalln(args ...interface{}) {
+	mlog.Fatalln(args...)
+}
+
+func Panicln(args ...interface{}) {
+	mlog.Panicln(args...)
+}

main.go

+package main
+
+import (
+	"github.com/astaxie/beego"
+	"schedulerNode/log"
+	"schedulerNode/middleware"
+	_ "schedulerNode/routers"
+)
+
+func main() {
+	beego.InsertFilter("*", beego.BeforeRouter, middleware.CorsMiddleware)
+	log.InitLog(log.LogConfig{Path: "logs", Level: "debug", Save: 3})
+	beego.Run()
+}

middleware/middleware.go

+package middleware
+
+import "github.com/astaxie/beego/context"
+
+func CorsMiddleware(ctx *context.Context) {
+	// 设置允许跨域的域名
+	ctx.ResponseWriter.Header().Set("Access-Control-Allow-Origin", "*")
+	// 允许的方法
+	ctx.ResponseWriter.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
+	// 允许的请求标头
+	ctx.ResponseWriter.Header().Set("Access-Control-Allow-Headers", "Origin, Authorization, Content-Type")
+	// 允许跨域 cookie 传递
+	ctx.ResponseWriter.Header().Set("Access-Control-Allow-Credentials", "true")
+	// 预检请求的处理
+	if ctx.Input.Method() == "OPTIONS" {
+		ctx.ResponseWriter.Header().Set("Access-Control-Max-Age", "86400") // 预检请求结果的缓存时间，单位秒
+		ctx.ResponseWriter.WriteHeader(200)
+	}
+}

models/models.go

+package models
+
+type AppNodeNetworkInfo struct {
+	NodeId           string
+	ExternalIp       string
+	ServerPort       string
+	StunIp           []string
+	TurnIp           []string
+	TurnUser         []string
+	TurnPwd          []string
+	SignallingHttpIp string
+	SignallingWsIp   string
+}
+
+type TurnInfo struct {
+	TurnIp string
+	User   string
+	Pwd    string
+}

models/request.go

+package models
+
+import "math/big"
+
+type SignallingConnectStatusReq struct {
+	NodeId string `json:"nodeId"`
+}
+
+type ConnectAppReq struct {
+	AppId string `json:"appId"`
+}
+
+type SendSignallingReq struct {
+	MQTTConnectInfo *MQTTConnectInfo `json:"MQTTConnectInfo"`
+	ICEConnectInfo  *ICEConnectInfo  `json:"ICEConnectInfo"`
+}
+
+type MQTTConnectInfo struct {
+	Broker string   `json:"broker"`
+	Port   *big.Int `json:"port"`
+	WsPort *big.Int `json:"ws_port"`
+}
+
+type ICEConnectInfo struct {
+	Stuns []string       `json:"stuns"`
+	Turns []*TurnInfoReq `json:"turns"`
+}
+
+type TurnInfoReq struct {
+	Url        string `json:"url"`
+	UserName   string `json:"username"`
+	Credential string `json:"credential"`
+}

models/response.go

+package models
+
+type AppNodeInfoRep struct {
+	NodeID           string      `json:"nodeID"`
+	ExternalIp       string      `json:"externalIp"`
+	StunIp           []string    `json:"stunIp"`
+	TurnInfo         []*TurnInfo `json:"turnInfo"`
+	SignallingHttpIp string      `json:"signallingHttpIp"`
+	SignallingWsIp   string      `json:"signallingWsIp"`
+}
+
+type SignallingConnectStatusRep struct {
+	Status string `json:"status"`
+}
+
+type AppNodeResponse struct {
+	Code int    `json:"code"`
+	Msg  string `json:"msg"`
+}
+
+type SignallingConnectStatus struct {
+	Code   int  `json:"code"`
+	Status bool `json:"status"`
+}

routers/router.go

+package routers
+
+import (
+	"github.com/astaxie/beego"
+	"schedulerNode/controllers"
+)
+
+func init() {
+	beego.Router("/api/v1/connect/app", &controllers.SignalingController{}, "post:GetAppNodeInfo")
+	beego.Router("/api/v1/get/connectStatus", &controllers.SignalingController{}, "post:GetConnectSignalingStatus")
+}

tests/default_test.go

+package test
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"path/filepath"
+	"runtime"
+	_ "schedulerNode/routers"
+	"testing"
+
+	"github.com/astaxie/beego"
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func init() {
+	_, file, _, _ := runtime.Caller(0)
+	apppath, _ := filepath.Abs(filepath.Dir(filepath.Join(file, ".."+string(filepath.Separator))))
+	beego.TestBeegoInit(apppath)
+}
+
+// TestBeego is a sample to run an endpoint test
+func TestBeego(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/", nil)
+	w := httptest.NewRecorder()
+	beego.BeeApp.Handlers.ServeHTTP(w, r)
+
+	beego.Trace("testing", "TestBeego", "Code[%d]\n%s", w.Code, w.Body.String())
+
+	Convey("Subject: Test Station Endpoint\n", t, func() {
+		Convey("Status Code Should Be 200", func() {
+			So(w.Code, ShouldEqual, 200)
+		})
+		Convey("The Result Should Not Be Empty", func() {
+			So(w.Body.Len(), ShouldBeGreaterThan, 0)
+		})
+	})
+}
+

utils/utils.go

+package utils
+
+import (
+	"fmt"
+	"github.com/astaxie/beego"
+	"github.com/oschwald/geoip2-golang"
+	"math"
+	"net"
+	"schedulerNode/log"
+)
+
+// EarthRadius 地球半径（单位：千米）
+const EarthRadius = 6371
+
+// Coordinates 经纬度坐标结构体
+type Coordinates struct {
+	Latitude  float64 // 纬度
+	Longitude float64 // 经度
+}
+
+// IsCreateVmCondition 本机是否符合创建Vm的要求
+func IsCreateVmCondition(callerIp string) bool {
+	localIp := beego.AppConfig.String("local_ip")
+	distance := calculateDistance(getIpAddr(callerIp), getIpAddr(localIp))
+	settingDistance := beego.AppConfig.DefaultFloat("distance", 1000)
+	if distance <= settingDistance {
+		return true
+	}
+	return true
+}
+
+// 将角度转换为弧度
+func degreesToRadians(degrees float64) float64 {
+	return degrees * (math.Pi / 180.0)
+}
+
+// CalculateDistance 计算两个经纬度坐标之间的距离（单位：千米）
+func calculateDistance(coord1, coord2 *Coordinates) float64 {
+	lat1 := degreesToRadians(coord1.Latitude)
+	lat2 := degreesToRadians(coord2.Latitude)
+	lon1 := degreesToRadians(coord1.Longitude)
+	lon2 := degreesToRadians(coord2.Longitude)
+	// Haversine 公式
+	dlon := lon2 - lon1
+	dlat := lat2 - lat1
+	a := math.Pow(math.Sin(dlat/2), 2) + math.Cos(lat1)*math.Cos(lat2)*math.Pow(math.Sin(dlon/2), 2)
+	c := 2 * math.Atan2(math.Sqrt(a), math.Sqrt(1-a))
+	distance := EarthRadius * c
+	return distance
+}
+
+// GetIpAddr 获取Ip地址信息
+func getIpAddr(ipAddress string) *Coordinates {
+	// 打开 MaxMind 的 GeoIP2 数据库文件
+	db, err := geoip2.Open("GeoLite2-City.mmdb")
+	if err != nil {
+		log.Error(" geoip2 open error:", err)
+		return nil
+	}
+	defer func(db *geoip2.Reader) {
+		err := db.Close()
+		if err != nil {
+			log.Error(" geoip2 close error:", err)
+		}
+	}(db)
+	// 解析 IP 地址
+	ip := net.ParseIP(ipAddress)
+	// 查询 IP 地址的位置信息
+	record, err := db.City(ip)
+	if err != nil {
+		log.Error("Get ip city error:", err)
+		return nil
+	}
+	// 打印经纬度信息
+	fmt.Printf("IP地址: %s\n", ipAddress)
+	fmt.Printf("经度: %f\n", record.Location.Longitude)
+	fmt.Printf("纬度: %f\n", record.Location.Latitude)
+	res := &Coordinates{
+		Latitude:  record.Location.Latitude,
+		Longitude: record.Location.Longitude,
+	}
+	return res
+}