chore: Adds basic commands and protocol.
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This commit is contained in:
greysoh
parent
7b5ec36e61
commit
28d25c9698
GPG key ID:
8FA7DD57BA6CEA37
9 changed files with 1421 additions and 0 deletions
18
api/gosrc/backendlauncher/backendlauncher.go
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18
api/gosrc/backendlauncher/backendlauncher.go
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@ -0,0 +1,18 @@
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package backendlauncher
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import (
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"fmt"
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"math/rand/v2"
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"net"
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)
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func GetUnixSocket(folder string) (string, net.Listener, error) {
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socketPath := fmt.Sprintf("%s/sock-%d.sock", folder, rand.Uint())
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listener, err := net.Listen("unix", socketPath)
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if err != nil {
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return "", nil, err
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}
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return socketPath, listener, nil
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}
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1
api/gosrc/backendparser/backendparser.go
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1
api/gosrc/backendparser/backendparser.go
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@ -0,0 +1 @@
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package backendparser
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83
api/gosrc/commonbackend/constants.go
Normal file
83
api/gosrc/commonbackend/constants.go
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@ -0,0 +1,83 @@
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package commonbackend
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type StartCommand struct {
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Type string // Will be 'start' always
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Arguments []byte
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}
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type StopCommand struct {
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Type string // Will be 'stop' always
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}
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type AddConnectionCommand struct {
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Type string // Will be 'addConnection' always
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SourceIP string
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SourcePort uint16
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DestPort uint16
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Protocol string // Will be either 'tcp' or 'udp'
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}
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type RemoveConnectionCommand struct {
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Type string // Will be 'removeConnection' always
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SourceIP string
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SourcePort uint16
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DestPort uint16
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Protocol string // Will be either 'tcp' or 'udp'
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}
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type ClientConnection struct {
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SourceIP string
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SourcePort uint16
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DestPort uint16
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ClientIP string
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ClientPort uint16
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}
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type GetAllConnections struct {
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Type string // Will be 'getAllConnections' always
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Connections []*ClientConnection // List of connections
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}
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type CheckClientParameters struct {
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Type string // Will be 'checkClientParameters' always
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SourceIP string
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SourcePort uint16
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DestPort uint16
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Protocol string // Will be either 'tcp' or 'udp'
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}
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type CheckServerParameters struct {
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Type string // Will be 'checkServerParameters' always
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Arguments []byte
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}
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// Sent as a response to either CheckClientParameters or CheckBackendParameters
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type CheckParametersResponse struct {
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Type string // Will be 'checkParametersResponse' always
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InReplyTo string // Will be either 'checkClientParameters' or 'checkServerParameters'
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IsValid bool // If true, valid, and if false, invalid
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Message string // String message from the client (ex. failed to unmarshal JSON: x is not defined)
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}
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const (
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StartCommandID = iota
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StopCommandID
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AddConnectionCommandID
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RemoveConnectionCommandID
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ClientConnectionID
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GetAllConnectionsID
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CheckClientParametersID
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CheckServerParametersID
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CheckParametersResponseID
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)
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const (
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TCP = iota
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UDP
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IPv4 = 4
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IPv6 = 6
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IPv4Size = 4
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IPv6Size = 16
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)
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279
api/gosrc/commonbackend/marshal.go
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279
api/gosrc/commonbackend/marshal.go
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package commonbackend
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import (
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"encoding/binary"
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"fmt"
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"net"
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)
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func marshalIndividualConnectionStruct(conn *ClientConnection) []byte {
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sourceIPOriginal := net.ParseIP(conn.SourceIP)
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clientIPOriginal := net.ParseIP(conn.ClientIP)
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var serverIPVer uint8
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var sourceIP []byte
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if sourceIPOriginal.To4() == nil {
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serverIPVer = IPv6
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sourceIP = sourceIPOriginal.To16()
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} else {
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serverIPVer = IPv4
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sourceIP = sourceIPOriginal.To4()
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}
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var clientIPVer uint8
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var clientIP []byte
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if clientIPOriginal.To4() == nil {
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clientIPVer = IPv6
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clientIP = clientIPOriginal.To16()
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} else {
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clientIPVer = IPv4
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clientIP = clientIPOriginal.To4()
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}
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connectionBlock := make([]byte, 8+len(sourceIP)+len(clientIP))
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connectionBlock[0] = serverIPVer
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copy(connectionBlock[1:len(sourceIP)+1], sourceIP)
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binary.BigEndian.PutUint16(connectionBlock[1+len(sourceIP):3+len(sourceIP)], conn.SourcePort)
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binary.BigEndian.PutUint16(connectionBlock[3+len(sourceIP):5+len(sourceIP)], conn.DestPort)
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connectionBlock[5+len(sourceIP)] = clientIPVer
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copy(connectionBlock[6+len(sourceIP):6+len(sourceIP)+len(clientIP)], clientIP)
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binary.BigEndian.PutUint16(connectionBlock[6+len(sourceIP)+len(clientIP):8+len(sourceIP)+len(clientIP)], conn.ClientPort)
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return connectionBlock
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}
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func Marshal(commandType string, command interface{}) ([]byte, error) {
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switch commandType {
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case "start":
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startCommand, ok := command.(*StartCommand)
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if !ok {
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return nil, fmt.Errorf("failed to typecast")
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}
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startCommandBytes := make([]byte, 1+2+len(startCommand.Arguments))
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startCommandBytes[0] = StartCommandID
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binary.BigEndian.PutUint16(startCommandBytes[1:3], uint16(len(startCommand.Arguments)))
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copy(startCommandBytes[3:], startCommand.Arguments)
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return startCommandBytes, nil
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case "stop":
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_, ok := command.(*StopCommand)
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if !ok {
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return nil, fmt.Errorf("failed to typecast")
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}
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stopCommandBytes := make([]byte, 1)
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stopCommandBytes[0] = StopCommandID
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return stopCommandBytes, nil
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case "addConnection":
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addConnectionCommand, ok := command.(*AddConnectionCommand)
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if !ok {
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return nil, fmt.Errorf("failed to typecast")
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}
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sourceIP := net.ParseIP(addConnectionCommand.SourceIP)
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var ipVer uint8
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var ipBytes []byte
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if sourceIP.To4() == nil {
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ipBytes = sourceIP.To16()
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ipVer = IPv6
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} else {
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ipBytes = sourceIP.To4()
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ipVer = IPv4
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}
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addConnectionBytes := make([]byte, 1+1+len(ipBytes)+2+2+1)
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addConnectionBytes[0] = AddConnectionCommandID
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addConnectionBytes[1] = ipVer
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copy(addConnectionBytes[2:2+len(ipBytes)], ipBytes)
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binary.BigEndian.PutUint16(addConnectionBytes[2+len(ipBytes):4+len(ipBytes)], addConnectionCommand.SourcePort)
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binary.BigEndian.PutUint16(addConnectionBytes[4+len(ipBytes):6+len(ipBytes)], addConnectionCommand.DestPort)
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var protocol uint8
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if addConnectionCommand.Protocol == "tcp" {
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protocol = TCP
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} else if addConnectionCommand.Protocol == "udp" {
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protocol = UDP
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} else {
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return nil, fmt.Errorf("invalid protocol")
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}
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addConnectionBytes[6+len(ipBytes)] = protocol
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return addConnectionBytes, nil
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case "removeConnection":
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removeConnectionCommand, ok := command.(*RemoveConnectionCommand)
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if !ok {
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return nil, fmt.Errorf("failed to typecast")
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}
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sourceIP := net.ParseIP(removeConnectionCommand.SourceIP)
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var ipVer uint8
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var ipBytes []byte
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if sourceIP.To4() == nil {
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ipBytes = sourceIP.To16()
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ipVer = IPv6
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} else {
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ipBytes = sourceIP.To4()
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ipVer = IPv4
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}
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removeConnectionBytes := make([]byte, 1+1+len(ipBytes)+2+2+1)
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removeConnectionBytes[0] = RemoveConnectionCommandID
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removeConnectionBytes[1] = ipVer
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copy(removeConnectionBytes[2:2+len(ipBytes)], ipBytes)
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binary.BigEndian.PutUint16(removeConnectionBytes[2+len(ipBytes):4+len(ipBytes)], removeConnectionCommand.SourcePort)
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binary.BigEndian.PutUint16(removeConnectionBytes[4+len(ipBytes):6+len(ipBytes)], removeConnectionCommand.DestPort)
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var protocol uint8
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if removeConnectionCommand.Protocol == "tcp" {
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protocol = TCP
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} else if removeConnectionCommand.Protocol == "udp" {
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protocol = UDP
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} else {
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return nil, fmt.Errorf("invalid protocol")
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}
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removeConnectionBytes[6+len(ipBytes)] = protocol
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return removeConnectionBytes, nil
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case "getAllConnections":
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allConnectionsCommand, ok := command.(*GetAllConnections)
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if !ok {
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return nil, fmt.Errorf("failed to typecast")
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}
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connectionsArray := make([][]byte, len(allConnectionsCommand.Connections))
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totalSize := 0
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for connIndex, conn := range allConnectionsCommand.Connections {
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connectionsArray[connIndex] = marshalIndividualConnectionStruct(conn)
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totalSize += len(connectionsArray[connIndex]) + 1
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}
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connectionCommandArray := make([]byte, totalSize+1)
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connectionCommandArray[0] = GetAllConnectionsID
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currentPosition := 1
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for _, connection := range connectionsArray {
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copy(connectionCommandArray[currentPosition:currentPosition+len(connection)], connection)
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connectionCommandArray[currentPosition+len(connection)] = '\r'
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currentPosition += len(connection) + 1
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}
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connectionCommandArray[totalSize] = '\n'
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return connectionCommandArray, nil
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case "checkClientParameters":
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checkClientCommand, ok := command.(*CheckClientParameters)
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if !ok {
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return nil, fmt.Errorf("failed to typecast")
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}
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sourceIP := net.ParseIP(checkClientCommand.SourceIP)
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var ipVer uint8
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var ipBytes []byte
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if sourceIP.To4() == nil {
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ipBytes = sourceIP.To16()
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ipVer = IPv6
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} else {
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ipBytes = sourceIP.To4()
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ipVer = IPv4
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}
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checkClientBytes := make([]byte, 1+1+len(ipBytes)+2+2+1)
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checkClientBytes[0] = CheckClientParametersID
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checkClientBytes[1] = ipVer
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copy(checkClientBytes[2:2+len(ipBytes)], ipBytes)
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binary.BigEndian.PutUint16(checkClientBytes[2+len(ipBytes):4+len(ipBytes)], checkClientCommand.SourcePort)
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binary.BigEndian.PutUint16(checkClientBytes[4+len(ipBytes):6+len(ipBytes)], checkClientCommand.DestPort)
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var protocol uint8
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if checkClientCommand.Protocol == "tcp" {
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protocol = TCP
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} else if checkClientCommand.Protocol == "udp" {
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protocol = UDP
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} else {
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return nil, fmt.Errorf("invalid protocol")
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}
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checkClientBytes[6+len(ipBytes)] = protocol
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return checkClientBytes, nil
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case "checkServerParameters":
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checkServerCommand, ok := command.(*CheckServerParameters)
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if !ok {
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return nil, fmt.Errorf("failed to typecast")
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}
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serverCommandBytes := make([]byte, 1+2+len(checkServerCommand.Arguments))
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serverCommandBytes[0] = CheckServerParametersID
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binary.BigEndian.PutUint16(serverCommandBytes[1:3], uint16(len(checkServerCommand.Arguments)))
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copy(serverCommandBytes[3:], checkServerCommand.Arguments)
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return serverCommandBytes, nil
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case "checkParametersResponse":
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checkParametersCommand, ok := command.(*CheckParametersResponse)
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if !ok {
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return nil, fmt.Errorf("failed to typecast")
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}
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var checkMethod uint8
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if checkParametersCommand.InReplyTo == "checkClientParameters" {
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checkMethod = CheckClientParametersID
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} else if checkParametersCommand.InReplyTo == "checkServerParameters" {
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checkMethod = CheckServerParametersID
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} else {
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return nil, fmt.Errorf("invalid mode recieved (must be either checkClientParameters or checkServerParameters)")
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}
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var isValid uint8
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if checkParametersCommand.IsValid {
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isValid = 1
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}
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checkResponseBytes := make([]byte, 3+2+len(checkParametersCommand.Message))
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checkResponseBytes[0] = CheckParametersResponseID
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checkResponseBytes[1] = checkMethod
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checkResponseBytes[2] = isValid
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binary.BigEndian.PutUint16(checkResponseBytes[3:5], uint16(len(checkParametersCommand.Message)))
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if len(checkParametersCommand.Message) != 0 {
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copy(checkResponseBytes[5:], []byte(checkParametersCommand.Message))
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}
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return checkResponseBytes, nil
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}
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return nil, fmt.Errorf("couldn't match command")
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}
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474
api/gosrc/commonbackend/marshalling_test.go
Normal file
474
api/gosrc/commonbackend/marshalling_test.go
Normal file
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@ -0,0 +1,474 @@
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package commonbackend
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import (
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"bytes"
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"log"
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"os"
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"testing"
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)
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var logLevel = os.Getenv("NEXTNET_LOG_LEVEL")
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func TestStartCommandMarshalSupport(t *testing.T) {
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commandInput := &StartCommand{
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Type: "start",
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Arguments: []byte("Hello from automated testing"),
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}
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commandMarshalled, err := Marshal(commandInput.Type, commandInput)
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if logLevel == "debug" {
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log.Printf("Generated array contents: %v", commandMarshalled)
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}
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if err != nil {
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t.Fatalf(err.Error())
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}
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buf := bytes.NewBuffer(commandMarshalled)
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commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
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if err != nil {
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t.Fatal(err.Error())
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}
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if commandType != commandInput.Type {
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t.Fail()
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log.Print("command type does not match up!")
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}
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commandUnmarshalled, ok := commandUnmarshalledRaw.(*StartCommand)
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if !ok {
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t.Fatal("failed typecast")
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}
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|
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if commandInput.Type != commandUnmarshalled.Type {
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t.Fail()
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log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
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}
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if !bytes.Equal(commandInput.Arguments, commandUnmarshalled.Arguments) {
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log.Fatalf("Arguments are not equal (orig: '%s', unmsh: '%s')", string(commandInput.Arguments), string(commandUnmarshalled.Arguments))
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}
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}
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func TestStopCommandMarshalSupport(t *testing.T) {
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commandInput := &StopCommand{
|
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Type: "stop",
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}
|
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|
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commandMarshalled, err := Marshal(commandInput.Type, commandInput)
|
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|
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if logLevel == "debug" {
|
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log.Printf("Generated array contents: %v", commandMarshalled)
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}
|
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|
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if err != nil {
|
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t.Fatalf(err.Error())
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}
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|
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buf := bytes.NewBuffer(commandMarshalled)
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commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
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|
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if err != nil {
|
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t.Fatal(err.Error())
|
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}
|
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|
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if commandType != commandInput.Type {
|
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t.Fail()
|
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log.Print("command type does not match up!")
|
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}
|
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|
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commandUnmarshalled, ok := commandUnmarshalledRaw.(*StopCommand)
|
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|
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if !ok {
|
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t.Fatal("failed typecast")
|
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}
|
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|
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if commandInput.Type != commandUnmarshalled.Type {
|
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t.Fail()
|
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log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
|
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}
|
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}
|
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|
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func TestAddConnectionCommandMarshalSupport(t *testing.T) {
|
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commandInput := &AddConnectionCommand{
|
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Type: "addConnection",
|
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SourceIP: "192.168.0.139",
|
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SourcePort: 19132,
|
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DestPort: 19132,
|
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Protocol: "tcp",
|
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}
|
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|
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commandMarshalled, err := Marshal(commandInput.Type, commandInput)
|
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|
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if logLevel == "debug" {
|
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log.Printf("Generated array contents: %v", commandMarshalled)
|
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}
|
||||
|
||||
if err != nil {
|
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t.Fatalf(err.Error())
|
||||
}
|
||||
|
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buf := bytes.NewBuffer(commandMarshalled)
|
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commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
|
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|
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if err != nil {
|
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t.Fatal(err.Error())
|
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}
|
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|
||||
if commandType != commandInput.Type {
|
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t.Fail()
|
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log.Print("command type does not match up!")
|
||||
}
|
||||
|
||||
commandUnmarshalled, ok := commandUnmarshalledRaw.(*AddConnectionCommand)
|
||||
|
||||
if !ok {
|
||||
t.Fatal("failed typecast")
|
||||
}
|
||||
|
||||
if commandInput.Type != commandUnmarshalled.Type {
|
||||
t.Fail()
|
||||
log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
|
||||
}
|
||||
|
||||
if commandInput.SourceIP != commandUnmarshalled.SourceIP {
|
||||
t.Fail()
|
||||
log.Printf("SourceIP's are not equal (orig: %s, unmsh: %s)", commandInput.SourceIP, commandUnmarshalled.SourceIP)
|
||||
}
|
||||
|
||||
if commandInput.SourcePort != commandUnmarshalled.SourcePort {
|
||||
t.Fail()
|
||||
log.Printf("SourcePort's are not equal (orig: %d, unmsh: %d)", commandInput.SourcePort, commandUnmarshalled.SourcePort)
|
||||
}
|
||||
|
||||
if commandInput.DestPort != commandUnmarshalled.DestPort {
|
||||
t.Fail()
|
||||
log.Printf("DestPort's are not equal (orig: %d, unmsh: %d)", commandInput.DestPort, commandUnmarshalled.DestPort)
|
||||
}
|
||||
|
||||
if commandInput.Protocol != commandUnmarshalled.Protocol {
|
||||
t.Fail()
|
||||
log.Printf("Protocols are not equal (orig: %s, unmsh: %s)", commandInput.Protocol, commandUnmarshalled.Protocol)
|
||||
}
|
||||
}
|
||||
|
||||
func TestRemoveConnectionCommandMarshalSupport(t *testing.T) {
|
||||
commandInput := &RemoveConnectionCommand{
|
||||
Type: "removeConnection",
|
||||
SourceIP: "192.168.0.139",
|
||||
SourcePort: 19132,
|
||||
DestPort: 19132,
|
||||
Protocol: "tcp",
|
||||
}
|
||||
|
||||
commandMarshalled, err := Marshal(commandInput.Type, commandInput)
|
||||
|
||||
if err != nil {
|
||||
t.Fatalf(err.Error())
|
||||
}
|
||||
|
||||
if logLevel == "debug" {
|
||||
log.Printf("Generated array contents: %v", commandMarshalled)
|
||||
}
|
||||
|
||||
buf := bytes.NewBuffer(commandMarshalled)
|
||||
commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
|
||||
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
}
|
||||
|
||||
if commandType != commandInput.Type {
|
||||
t.Fail()
|
||||
log.Print("command type does not match up!")
|
||||
}
|
||||
|
||||
commandUnmarshalled, ok := commandUnmarshalledRaw.(*RemoveConnectionCommand)
|
||||
|
||||
if !ok {
|
||||
t.Fatal("failed typecast")
|
||||
}
|
||||
|
||||
if commandInput.Type != commandUnmarshalled.Type {
|
||||
t.Fail()
|
||||
log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
|
||||
}
|
||||
|
||||
if commandInput.SourceIP != commandUnmarshalled.SourceIP {
|
||||
t.Fail()
|
||||
log.Printf("SourceIP's are not equal (orig: %s, unmsh: %s)", commandInput.SourceIP, commandUnmarshalled.SourceIP)
|
||||
}
|
||||
|
||||
if commandInput.SourcePort != commandUnmarshalled.SourcePort {
|
||||
t.Fail()
|
||||
log.Printf("SourcePort's are not equal (orig: %d, unmsh: %d)", commandInput.SourcePort, commandUnmarshalled.SourcePort)
|
||||
}
|
||||
|
||||
if commandInput.DestPort != commandUnmarshalled.DestPort {
|
||||
t.Fail()
|
||||
log.Printf("DestPort's are not equal (orig: %d, unmsh: %d)", commandInput.DestPort, commandUnmarshalled.DestPort)
|
||||
}
|
||||
|
||||
if commandInput.Protocol != commandUnmarshalled.Protocol {
|
||||
t.Fail()
|
||||
log.Printf("Protocols are not equal (orig: %s, unmsh: %s)", commandInput.Protocol, commandUnmarshalled.Protocol)
|
||||
}
|
||||
}
|
||||
|
||||
func TestGetAllConnectionsCommandMarshalSupport(t *testing.T) {
|
||||
commandInput := &GetAllConnections{
|
||||
Type: "getAllConnections",
|
||||
Connections: []*ClientConnection{
|
||||
{
|
||||
SourceIP: "127.0.0.1",
|
||||
SourcePort: 19132,
|
||||
DestPort: 19132,
|
||||
ClientIP: "127.0.0.1",
|
||||
ClientPort: 12321,
|
||||
},
|
||||
{
|
||||
SourceIP: "127.0.0.1",
|
||||
SourcePort: 19132,
|
||||
DestPort: 19132,
|
||||
ClientIP: "192.168.0.168",
|
||||
ClientPort: 23457,
|
||||
},
|
||||
{
|
||||
SourceIP: "127.0.0.1",
|
||||
SourcePort: 19132,
|
||||
DestPort: 19132,
|
||||
ClientIP: "68.42.203.47",
|
||||
ClientPort: 38721,
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
commandMarshalled, err := Marshal(commandInput.Type, commandInput)
|
||||
|
||||
if err != nil {
|
||||
t.Fatalf(err.Error())
|
||||
}
|
||||
|
||||
if logLevel == "debug" {
|
||||
log.Printf("Generated array contents: %v", commandMarshalled)
|
||||
}
|
||||
|
||||
buf := bytes.NewBuffer(commandMarshalled)
|
||||
commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
|
||||
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
}
|
||||
|
||||
if commandType != commandInput.Type {
|
||||
t.Fail()
|
||||
log.Print("command type does not match up!")
|
||||
}
|
||||
|
||||
commandUnmarshalled, ok := commandUnmarshalledRaw.(*GetAllConnections)
|
||||
|
||||
if !ok {
|
||||
t.Fatal("failed typecast")
|
||||
}
|
||||
|
||||
if commandInput.Type != commandUnmarshalled.Type {
|
||||
t.Fail()
|
||||
log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
|
||||
}
|
||||
|
||||
for commandIndex, originalConnection := range commandInput.Connections {
|
||||
remoteConnection := commandUnmarshalled.Connections[commandIndex]
|
||||
|
||||
if originalConnection.SourceIP != remoteConnection.SourceIP {
|
||||
t.Fail()
|
||||
log.Printf("(in #%d) SourceIP's are not equal (orig: %s, unmsh: %s)", commandIndex, originalConnection.SourceIP, remoteConnection.SourceIP)
|
||||
}
|
||||
|
||||
if originalConnection.SourcePort != remoteConnection.SourcePort {
|
||||
t.Fail()
|
||||
log.Printf("(in #%d) SourcePort's are not equal (orig: %d, unmsh: %d)", commandIndex, originalConnection.SourcePort, remoteConnection.SourcePort)
|
||||
}
|
||||
|
||||
if originalConnection.SourcePort != remoteConnection.SourcePort {
|
||||
t.Fail()
|
||||
log.Printf("(in #%d) DestPort's are not equal (orig: %d, unmsh: %d)", commandIndex, originalConnection.DestPort, remoteConnection.DestPort)
|
||||
}
|
||||
|
||||
if originalConnection.SourcePort != remoteConnection.SourcePort {
|
||||
t.Fail()
|
||||
log.Printf("(in #%d) ClientIP's are not equal (orig: %s, unmsh: %s)", commandIndex, originalConnection.ClientIP, remoteConnection.ClientIP)
|
||||
}
|
||||
|
||||
if originalConnection.SourcePort != remoteConnection.SourcePort {
|
||||
t.Fail()
|
||||
log.Printf("(in #%d) ClientPort's are not equal (orig: %d, unmsh: %d)", commandIndex, originalConnection.ClientPort, remoteConnection.ClientPort)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestCheckClientParametersMarshalSupport(t *testing.T) {
|
||||
commandInput := &CheckClientParameters{
|
||||
Type: "checkClientParameters",
|
||||
SourceIP: "192.168.0.139",
|
||||
SourcePort: 19132,
|
||||
DestPort: 19132,
|
||||
Protocol: "tcp",
|
||||
}
|
||||
|
||||
commandMarshalled, err := Marshal(commandInput.Type, commandInput)
|
||||
|
||||
if err != nil {
|
||||
t.Fatalf(err.Error())
|
||||
}
|
||||
|
||||
if logLevel == "debug" {
|
||||
log.Printf("Generated array contents: %v", commandMarshalled)
|
||||
}
|
||||
|
||||
buf := bytes.NewBuffer(commandMarshalled)
|
||||
commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
|
||||
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
}
|
||||
|
||||
if commandType != commandInput.Type {
|
||||
t.Fail()
|
||||
log.Printf("command type does not match up! (orig: %s, unmsh: %s)", commandType, commandInput.Type)
|
||||
}
|
||||
|
||||
commandUnmarshalled, ok := commandUnmarshalledRaw.(*CheckClientParameters)
|
||||
|
||||
if !ok {
|
||||
t.Fatal("failed typecast")
|
||||
}
|
||||
|
||||
if commandInput.Type != commandUnmarshalled.Type {
|
||||
t.Fail()
|
||||
log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
|
||||
}
|
||||
|
||||
if commandInput.SourceIP != commandUnmarshalled.SourceIP {
|
||||
t.Fail()
|
||||
log.Printf("SourceIP's are not equal (orig: %s, unmsh: %s)", commandInput.SourceIP, commandUnmarshalled.SourceIP)
|
||||
}
|
||||
|
||||
if commandInput.SourcePort != commandUnmarshalled.SourcePort {
|
||||
t.Fail()
|
||||
log.Printf("SourcePort's are not equal (orig: %d, unmsh: %d)", commandInput.SourcePort, commandUnmarshalled.SourcePort)
|
||||
}
|
||||
|
||||
if commandInput.DestPort != commandUnmarshalled.DestPort {
|
||||
t.Fail()
|
||||
log.Printf("DestPort's are not equal (orig: %d, unmsh: %d)", commandInput.DestPort, commandUnmarshalled.DestPort)
|
||||
}
|
||||
|
||||
if commandInput.Protocol != commandUnmarshalled.Protocol {
|
||||
t.Fail()
|
||||
log.Printf("Protocols are not equal (orig: %s, unmsh: %s)", commandInput.Protocol, commandUnmarshalled.Protocol)
|
||||
}
|
||||
}
|
||||
|
||||
func TestCheckServerParametersMarshalSupport(t *testing.T) {
|
||||
commandInput := &CheckServerParameters{
|
||||
Type: "checkServerParameters",
|
||||
Arguments: []byte("Hello from automated testing"),
|
||||
}
|
||||
|
||||
commandMarshalled, err := Marshal(commandInput.Type, commandInput)
|
||||
|
||||
if logLevel == "debug" {
|
||||
log.Printf("Generated array contents: %v", commandMarshalled)
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
t.Fatalf(err.Error())
|
||||
}
|
||||
|
||||
buf := bytes.NewBuffer(commandMarshalled)
|
||||
commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
|
||||
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
}
|
||||
|
||||
if commandType != commandInput.Type {
|
||||
t.Fail()
|
||||
log.Print("command type does not match up!")
|
||||
}
|
||||
|
||||
commandUnmarshalled, ok := commandUnmarshalledRaw.(*CheckServerParameters)
|
||||
|
||||
if !ok {
|
||||
t.Fatal("failed typecast")
|
||||
}
|
||||
|
||||
if commandInput.Type != commandUnmarshalled.Type {
|
||||
t.Fail()
|
||||
log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
|
||||
}
|
||||
|
||||
if !bytes.Equal(commandInput.Arguments, commandUnmarshalled.Arguments) {
|
||||
log.Fatalf("Arguments are not equal (orig: '%s', unmsh: '%s')", string(commandInput.Arguments), string(commandUnmarshalled.Arguments))
|
||||
}
|
||||
}
|
||||
|
||||
func TestCheckParametersResponseMarshalSupport(t *testing.T) {
|
||||
commandInput := &CheckParametersResponse{
|
||||
Type: "checkParametersResponse",
|
||||
InReplyTo: "checkClientParameters",
|
||||
IsValid: true,
|
||||
Message: "Hello from automated testing",
|
||||
}
|
||||
|
||||
commandMarshalled, err := Marshal(commandInput.Type, commandInput)
|
||||
|
||||
if err != nil {
|
||||
t.Fatalf(err.Error())
|
||||
}
|
||||
|
||||
if logLevel == "debug" {
|
||||
log.Printf("Generated array contents: %v", commandMarshalled)
|
||||
}
|
||||
|
||||
buf := bytes.NewBuffer(commandMarshalled)
|
||||
commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
|
||||
|
||||
if err != nil {
|
||||
t.Fatal(err.Error())
|
||||
}
|
||||
|
||||
if commandType != commandInput.Type {
|
||||
t.Fail()
|
||||
log.Printf("command type does not match up! (orig: %s, unmsh: %s)", commandType, commandInput.Type)
|
||||
}
|
||||
|
||||
commandUnmarshalled, ok := commandUnmarshalledRaw.(*CheckParametersResponse)
|
||||
|
||||
if !ok {
|
||||
t.Fatal("failed typecast")
|
||||
}
|
||||
|
||||
if commandInput.Type != commandUnmarshalled.Type {
|
||||
t.Fail()
|
||||
log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
|
||||
}
|
||||
|
||||
if commandInput.InReplyTo != commandUnmarshalled.InReplyTo {
|
||||
t.Fail()
|
||||
log.Printf("InReplyTo's are not equal (orig: %s, unmsh: %s)", commandInput.InReplyTo, commandUnmarshalled.InReplyTo)
|
||||
}
|
||||
|
||||
if commandInput.IsValid != commandUnmarshalled.IsValid {
|
||||
t.Fail()
|
||||
log.Printf("IsValid's are not equal (orig: %t, unmsh: %t)", commandInput.IsValid, commandUnmarshalled.IsValid)
|
||||
}
|
||||
|
||||
if commandInput.Message != commandUnmarshalled.Message {
|
||||
t.Fail()
|
||||
log.Printf("Messages are not equal (orig: %s, unmsh: %s)", commandInput.Message, commandUnmarshalled.Message)
|
||||
}
|
||||
}
|
||||
387
api/gosrc/commonbackend/unmarshal.go
Normal file
387
api/gosrc/commonbackend/unmarshal.go
Normal file
|
|
@ -0,0 +1,387 @@
|
|||
package commonbackend
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
)
|
||||
|
||||
func unmarshalIndividualConnectionStruct(conn io.Reader) (*ClientConnection, error) {
|
||||
serverIPVersion := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(serverIPVersion); err != nil {
|
||||
return nil, fmt.Errorf("couldn't read server IP version")
|
||||
}
|
||||
|
||||
var serverIPSize uint8
|
||||
|
||||
if serverIPVersion[0] == 4 {
|
||||
serverIPSize = IPv4Size
|
||||
} else if serverIPVersion[0] == 6 {
|
||||
serverIPSize = IPv6Size
|
||||
} else {
|
||||
return nil, fmt.Errorf("invalid server IP version recieved")
|
||||
}
|
||||
|
||||
serverIP := make(net.IP, serverIPSize)
|
||||
|
||||
if _, err := conn.Read(serverIP); err != nil {
|
||||
return nil, fmt.Errorf("couldn't read server IP")
|
||||
}
|
||||
|
||||
sourcePort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(sourcePort); err != nil {
|
||||
return nil, fmt.Errorf("couldn't read source port")
|
||||
}
|
||||
|
||||
destinationPort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(destinationPort); err != nil {
|
||||
return nil, fmt.Errorf("couldn't read source port")
|
||||
}
|
||||
|
||||
clientIPVersion := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(clientIPVersion); err != nil {
|
||||
return nil, fmt.Errorf("couldn't read server IP version")
|
||||
}
|
||||
|
||||
var clientIPSize uint8
|
||||
|
||||
if clientIPVersion[0] == 4 {
|
||||
clientIPSize = IPv4Size
|
||||
} else if clientIPVersion[0] == 6 {
|
||||
clientIPSize = IPv6Size
|
||||
} else {
|
||||
return nil, fmt.Errorf("invalid server IP version recieved")
|
||||
}
|
||||
|
||||
clientIP := make(net.IP, clientIPSize)
|
||||
|
||||
if _, err := conn.Read(clientIP); err != nil {
|
||||
return nil, fmt.Errorf("couldn't read server IP")
|
||||
}
|
||||
|
||||
clientPort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(clientPort); err != nil {
|
||||
return nil, fmt.Errorf("couldn't read source port")
|
||||
}
|
||||
|
||||
return &ClientConnection{
|
||||
SourceIP: serverIP.String(),
|
||||
SourcePort: binary.BigEndian.Uint16(sourcePort),
|
||||
DestPort: binary.BigEndian.Uint16(destinationPort),
|
||||
ClientIP: clientIP.String(),
|
||||
ClientPort: binary.BigEndian.Uint16(clientPort),
|
||||
}, nil
|
||||
}
|
||||
|
||||
func Unmarshal(conn io.Reader) (string, interface{}, error) {
|
||||
commandType := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(commandType); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read command")
|
||||
}
|
||||
|
||||
switch commandType[0] {
|
||||
case StartCommandID:
|
||||
argumentsLength := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(argumentsLength); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read argument length")
|
||||
}
|
||||
|
||||
arguments := make([]byte, binary.BigEndian.Uint16(argumentsLength))
|
||||
|
||||
if _, err := conn.Read(arguments); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read arguments")
|
||||
}
|
||||
|
||||
return "start", &StartCommand{
|
||||
Type: "start",
|
||||
Arguments: arguments,
|
||||
}, nil
|
||||
case StopCommandID:
|
||||
return "stop", &StopCommand{
|
||||
Type: "stop",
|
||||
}, nil
|
||||
case AddConnectionCommandID:
|
||||
ipVersion := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(ipVersion); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read ip version")
|
||||
}
|
||||
|
||||
var ipSize uint8
|
||||
|
||||
if ipVersion[0] == 4 {
|
||||
ipSize = IPv4Size
|
||||
} else if ipVersion[0] == 6 {
|
||||
ipSize = IPv6Size
|
||||
} else {
|
||||
return "", nil, fmt.Errorf("invalid IP version recieved")
|
||||
}
|
||||
|
||||
ip := make(net.IP, ipSize)
|
||||
|
||||
if _, err := conn.Read(ip); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read source IP")
|
||||
}
|
||||
|
||||
sourcePort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(sourcePort); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read source port")
|
||||
}
|
||||
|
||||
destPort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(destPort); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read destination port")
|
||||
}
|
||||
|
||||
protocolBytes := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(protocolBytes); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read protocol")
|
||||
}
|
||||
|
||||
var protocol string
|
||||
|
||||
if protocolBytes[0] == TCP {
|
||||
protocol = "tcp"
|
||||
} else if protocolBytes[1] == UDP {
|
||||
protocol = "udp"
|
||||
} else {
|
||||
return "", nil, fmt.Errorf("invalid protocol")
|
||||
}
|
||||
|
||||
return "addConnection", &AddConnectionCommand{
|
||||
Type: "addConnection",
|
||||
SourceIP: ip.String(),
|
||||
SourcePort: binary.BigEndian.Uint16(sourcePort),
|
||||
DestPort: binary.BigEndian.Uint16(destPort),
|
||||
Protocol: protocol,
|
||||
}, nil
|
||||
case RemoveConnectionCommandID:
|
||||
ipVersion := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(ipVersion); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read ip version")
|
||||
}
|
||||
|
||||
var ipSize uint8
|
||||
|
||||
if ipVersion[0] == 4 {
|
||||
ipSize = IPv4Size
|
||||
} else if ipVersion[0] == 6 {
|
||||
ipSize = IPv6Size
|
||||
} else {
|
||||
return "", nil, fmt.Errorf("invalid IP version recieved")
|
||||
}
|
||||
|
||||
ip := make(net.IP, ipSize)
|
||||
|
||||
if _, err := conn.Read(ip); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read source IP")
|
||||
}
|
||||
|
||||
sourcePort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(sourcePort); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read source port")
|
||||
}
|
||||
|
||||
destPort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(destPort); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read destination port")
|
||||
}
|
||||
|
||||
protocolBytes := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(protocolBytes); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read protocol")
|
||||
}
|
||||
|
||||
var protocol string
|
||||
|
||||
if protocolBytes[0] == TCP {
|
||||
protocol = "tcp"
|
||||
} else if protocolBytes[1] == UDP {
|
||||
protocol = "udp"
|
||||
} else {
|
||||
return "", nil, fmt.Errorf("invalid protocol")
|
||||
}
|
||||
|
||||
return "removeConnection", &RemoveConnectionCommand{
|
||||
Type: "removeConnection",
|
||||
SourceIP: ip.String(),
|
||||
SourcePort: binary.BigEndian.Uint16(sourcePort),
|
||||
DestPort: binary.BigEndian.Uint16(destPort),
|
||||
Protocol: protocol,
|
||||
}, nil
|
||||
case GetAllConnectionsID:
|
||||
connections := []*ClientConnection{}
|
||||
delimiter := make([]byte, 1)
|
||||
var errorReturn error
|
||||
|
||||
// Infinite loop because we don't know the length
|
||||
for {
|
||||
connection, err := unmarshalIndividualConnectionStruct(conn)
|
||||
|
||||
if err != nil {
|
||||
return "", nil, err
|
||||
}
|
||||
|
||||
connections = append(connections, connection)
|
||||
|
||||
if _, err := conn.Read(delimiter); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read delimiter")
|
||||
}
|
||||
|
||||
if delimiter[0] == '\r' {
|
||||
continue
|
||||
} else if delimiter[0] == '\n' {
|
||||
break
|
||||
} else {
|
||||
// WTF? This shouldn't happen. Break out and return, but give an error
|
||||
errorReturn = fmt.Errorf("invalid delimiter recieved while processing stream")
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return "getAllConnections", &GetAllConnections{
|
||||
Type: "getAllConnections",
|
||||
Connections: connections,
|
||||
}, errorReturn
|
||||
case CheckClientParametersID:
|
||||
ipVersion := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(ipVersion); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read ip version")
|
||||
}
|
||||
|
||||
var ipSize uint8
|
||||
|
||||
if ipVersion[0] == 4 {
|
||||
ipSize = IPv4Size
|
||||
} else if ipVersion[0] == 6 {
|
||||
ipSize = IPv6Size
|
||||
} else {
|
||||
return "", nil, fmt.Errorf("invalid IP version recieved")
|
||||
}
|
||||
|
||||
ip := make(net.IP, ipSize)
|
||||
|
||||
if _, err := conn.Read(ip); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read source IP")
|
||||
}
|
||||
|
||||
sourcePort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(sourcePort); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read source port")
|
||||
}
|
||||
|
||||
destPort := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(destPort); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read destination port")
|
||||
}
|
||||
|
||||
protocolBytes := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(protocolBytes); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read protocol")
|
||||
}
|
||||
|
||||
var protocol string
|
||||
|
||||
if protocolBytes[0] == TCP {
|
||||
protocol = "tcp"
|
||||
} else if protocolBytes[1] == UDP {
|
||||
protocol = "udp"
|
||||
} else {
|
||||
return "", nil, fmt.Errorf("invalid protocol")
|
||||
}
|
||||
|
||||
return "checkClientParameters", &CheckClientParameters{
|
||||
Type: "checkClientParameters",
|
||||
SourceIP: ip.String(),
|
||||
SourcePort: binary.BigEndian.Uint16(sourcePort),
|
||||
DestPort: binary.BigEndian.Uint16(destPort),
|
||||
Protocol: protocol,
|
||||
}, nil
|
||||
case CheckServerParametersID:
|
||||
argumentsLength := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(argumentsLength); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read argument length")
|
||||
}
|
||||
|
||||
arguments := make([]byte, binary.BigEndian.Uint16(argumentsLength))
|
||||
|
||||
if _, err := conn.Read(arguments); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read arguments")
|
||||
}
|
||||
|
||||
return "checkServerParameters", &CheckServerParameters{
|
||||
Type: "checkServerParameters",
|
||||
Arguments: arguments,
|
||||
}, nil
|
||||
case CheckParametersResponseID:
|
||||
checkMethodByte := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(checkMethodByte); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read check method byte")
|
||||
}
|
||||
|
||||
var checkMethod string
|
||||
|
||||
if checkMethodByte[0] == CheckClientParametersID {
|
||||
checkMethod = "checkClientParameters"
|
||||
} else if checkMethodByte[1] == CheckServerParametersID {
|
||||
checkMethod = "checkServerParameters"
|
||||
} else {
|
||||
return "", nil, fmt.Errorf("invalid check method recieved")
|
||||
}
|
||||
|
||||
isValid := make([]byte, 1)
|
||||
|
||||
if _, err := conn.Read(isValid); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read isValid byte")
|
||||
}
|
||||
|
||||
messageLengthBytes := make([]byte, 2)
|
||||
|
||||
if _, err := conn.Read(messageLengthBytes); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read message length")
|
||||
}
|
||||
|
||||
messageLength := binary.BigEndian.Uint16(messageLengthBytes)
|
||||
var message string
|
||||
|
||||
if messageLength != 0 {
|
||||
messageBytes := make([]byte, messageLength)
|
||||
|
||||
if _, err := conn.Read(messageBytes); err != nil {
|
||||
return "", nil, fmt.Errorf("couldn't read message")
|
||||
}
|
||||
|
||||
message = string(messageBytes)
|
||||
}
|
||||
|
||||
return "checkParametersResponse", &CheckParametersResponse{
|
||||
Type: "checkParametersResponse",
|
||||
InReplyTo: checkMethod,
|
||||
IsValid: isValid[0] == 1,
|
||||
Message: message,
|
||||
}, nil
|
||||
}
|
||||
|
||||
return "", nil, fmt.Errorf("couldn't match command")
|
||||
}
|
||||
133
api/gosrc/externalbackendlauncher/main.go
Normal file
133
api/gosrc/externalbackendlauncher/main.go
Normal file
|
|
@ -0,0 +1,133 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"os/exec"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"git.greysoh.dev/imterah/nextnet/backendlauncher"
|
||||
"github.com/charmbracelet/log"
|
||||
)
|
||||
|
||||
type WriteLogger struct {
|
||||
UseError bool
|
||||
}
|
||||
|
||||
func (writer WriteLogger) Write(p []byte) (n int, err error) {
|
||||
logSplit := strings.Split(string(p), "\n")
|
||||
|
||||
for _, line := range logSplit {
|
||||
if writer.UseError {
|
||||
log.Errorf("application: %s", line)
|
||||
} else {
|
||||
log.Infof("application: %s", line)
|
||||
}
|
||||
}
|
||||
|
||||
return len(p), err
|
||||
}
|
||||
|
||||
func main() {
|
||||
tempDir, err := os.MkdirTemp("", "nextnet-sockets-")
|
||||
logLevel := os.Getenv("NEXTNET_LOG_LEVEL")
|
||||
|
||||
if logLevel != "" {
|
||||
switch logLevel {
|
||||
case "debug":
|
||||
log.SetLevel(log.DebugLevel)
|
||||
|
||||
case "info":
|
||||
log.SetLevel(log.InfoLevel)
|
||||
|
||||
case "warn":
|
||||
log.SetLevel(log.WarnLevel)
|
||||
|
||||
case "error":
|
||||
log.SetLevel(log.ErrorLevel)
|
||||
|
||||
case "fatal":
|
||||
log.SetLevel(log.FatalLevel)
|
||||
}
|
||||
}
|
||||
|
||||
if len(os.Args) != 3 {
|
||||
log.Fatalf("missing arguments! example: ./externalbackendlauncher <backend executable> <file with backend arguments>")
|
||||
}
|
||||
|
||||
executablePath := os.Args[1]
|
||||
executableParamsPath := os.Args[2]
|
||||
|
||||
_, err = os.ReadFile(executableParamsPath)
|
||||
|
||||
if err != nil {
|
||||
log.Fatalf("could not read backend parameters: %s", err.Error())
|
||||
}
|
||||
|
||||
_, err = os.Stat(executablePath)
|
||||
|
||||
if err != nil {
|
||||
log.Fatalf("failed backend checks: %s", err.Error())
|
||||
}
|
||||
|
||||
log.Debug("running socket acquisition")
|
||||
|
||||
sockPath, sockListener, err := backendlauncher.GetUnixSocket(tempDir)
|
||||
|
||||
if err != nil {
|
||||
log.Fatalf("failed to acquire unix socket: %s", err.Error())
|
||||
}
|
||||
|
||||
log.Debugf("acquisition was successful: %s", sockPath)
|
||||
|
||||
go func() {
|
||||
log.Debug("entering execution loop (in auxiliary goroutine)...")
|
||||
|
||||
for {
|
||||
log.Info("waiting for Unix socket connections...")
|
||||
sock, err := sockListener.Accept()
|
||||
|
||||
if err != nil {
|
||||
log.Warnf("failed to accept socket connection: %s", err.Error())
|
||||
}
|
||||
|
||||
defer sock.Close()
|
||||
}
|
||||
}()
|
||||
|
||||
log.Debug("entering execution loop (in main goroutine)...")
|
||||
|
||||
stdout := WriteLogger{
|
||||
UseError: false,
|
||||
}
|
||||
|
||||
stderr := WriteLogger{
|
||||
UseError: true,
|
||||
}
|
||||
|
||||
for {
|
||||
log.Info("starting process...")
|
||||
// TODO: can we reuse cmd?
|
||||
cmd := exec.Command(executablePath)
|
||||
cmd.Env = append(cmd.Env, fmt.Sprintf("NEXTNET_API_SOCK=%s", sockPath))
|
||||
|
||||
cmd.Stdout = stdout
|
||||
cmd.Stderr = stderr
|
||||
|
||||
err := cmd.Run()
|
||||
|
||||
if err != nil {
|
||||
if err, ok := err.(*exec.ExitError); ok {
|
||||
log.Warnf("backend died with exit code '%d' and with error '%s'", err.ExitCode(), err.Error())
|
||||
} else {
|
||||
log.Warnf("backend died with error: %s", err.Error())
|
||||
}
|
||||
} else {
|
||||
log.Info("process exited gracefully.")
|
||||
}
|
||||
|
||||
log.Info("sleeping 5 seconds, and then restarting process")
|
||||
time.Sleep(5 * time.Millisecond)
|
||||
}
|
||||
}
|
||||
18
api/gosrc/go.mod
Normal file
18
api/gosrc/go.mod
Normal file
|
|
@ -0,0 +1,18 @@
|
|||
module git.greysoh.dev/imterah/nextnet
|
||||
|
||||
go 1.23.3
|
||||
|
||||
require (
|
||||
github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
|
||||
github.com/charmbracelet/lipgloss v0.10.0 // indirect
|
||||
github.com/charmbracelet/log v0.4.0 // indirect
|
||||
github.com/go-logfmt/logfmt v0.6.0 // indirect
|
||||
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
|
||||
github.com/mattn/go-isatty v0.0.18 // indirect
|
||||
github.com/mattn/go-runewidth v0.0.15 // indirect
|
||||
github.com/muesli/reflow v0.3.0 // indirect
|
||||
github.com/muesli/termenv v0.15.2 // indirect
|
||||
github.com/rivo/uniseg v0.4.7 // indirect
|
||||
golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
|
||||
golang.org/x/sys v0.13.0 // indirect
|
||||
)
|
||||
28
api/gosrc/go.sum
Normal file
28
api/gosrc/go.sum
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
|
||||
github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
|
||||
github.com/charmbracelet/lipgloss v0.10.0 h1:KWeXFSexGcfahHX+54URiZGkBFazf70JNMtwg/AFW3s=
|
||||
github.com/charmbracelet/lipgloss v0.10.0/go.mod h1:Wig9DSfvANsxqkRsqj6x87irdy123SR4dOXlKa91ciE=
|
||||
github.com/charmbracelet/log v0.4.0 h1:G9bQAcx8rWA2T3pWvx7YtPTPwgqpk7D68BX21IRW8ZM=
|
||||
github.com/charmbracelet/log v0.4.0/go.mod h1:63bXt/djrizTec0l11H20t8FDSvA4CRZJ1KH22MdptM=
|
||||
github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
|
||||
github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
|
||||
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
|
||||
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
|
||||
github.com/mattn/go-isatty v0.0.18 h1:DOKFKCQ7FNG2L1rbrmstDN4QVRdS89Nkh85u68Uwp98=
|
||||
github.com/mattn/go-isatty v0.0.18/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
|
||||
github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
|
||||
github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
|
||||
github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
|
||||
github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
|
||||
github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
|
||||
github.com/muesli/termenv v0.15.2 h1:GohcuySI0QmI3wN8Ok9PtKGkgkFIk7y6Vpb5PvrY+Wo=
|
||||
github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1noLXviQ8=
|
||||
github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
|
||||
github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
|
||||
github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
|
||||
github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
|
||||
golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
|
||||
golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
|
||||
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
|
||||
golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
Loading…
Add table
Add a link
Reference in a new issue