go-sam-go/common/emitter.go

package common

import (
	"fmt"
	"strings"
)

func (e *SAMEmit) SamOptionsString() string {
	optStr := strings.Join(e.I2PConfig.Print(), " ")
	log.WithField("optStr", optStr).Debug("Generated option string")
	return optStr
}

func (e *SAMEmit) Hello() string {
	hello := fmt.Sprintf("HELLO VERSION MIN=%s MAX=%s \n", e.I2PConfig.MinSAM(), e.I2PConfig.MaxSAM())
	log.WithField("hello", hello).Debug("Generated HELLO command")
	return hello
}

func (e *SAMEmit) HelloBytes() []byte {
	return []byte(e.Hello())
}

func (e *SAMEmit) GenerateDestination() string {
	dest := fmt.Sprintf("DEST GENERATE %s \n", e.I2PConfig.SignatureType())
	log.WithField("destination", dest).Debug("Generated DEST GENERATE command")
	return dest
}

func (e *SAMEmit) GenerateDestinationBytes() []byte {
	return []byte(e.GenerateDestination())
}

func (e *SAMEmit) Lookup(name string) string {
	lookup := fmt.Sprintf("NAMING LOOKUP NAME=%s \n", name)
	log.WithField("lookup", lookup).Debug("Generated NAMING LOOKUP command")
	return lookup
}

func (e *SAMEmit) LookupBytes(name string) []byte {
	return []byte(e.Lookup(name))
}

func (e *SAMEmit) Create() string {
	create := fmt.Sprintf(
		//             //1 2 3 4 5 6 7
		"SESSION CREATE %s%s%s%s%s%s%s \n",
		e.I2PConfig.SessionStyle(),   // 1
		e.I2PConfig.FromPort(),       // 2
		e.I2PConfig.ToPort(),         // 3
		e.I2PConfig.ID(),             // 4
		e.I2PConfig.DestinationKey(), // 5
		e.I2PConfig.SignatureType(),  // 6
		e.SamOptionsString(),         // 7
	)
	log.WithField("create", create).Debug("Generated SESSION CREATE command")
	return create
}

func (e *SAMEmit) CreateBytes() []byte {
	fmt.Println("sam command: " + e.Create())
	return []byte(e.Create())
}

func (e *SAMEmit) Connect(dest string) string {
	connect := fmt.Sprintf(
		"STREAM CONNECT ID=%s %s %s DESTINATION=%s \n",
		e.I2PConfig.ID(),
		e.I2PConfig.FromPort(),
		e.I2PConfig.ToPort(),
		dest,
	)
	log.WithField("connect", connect).Debug("Generated STREAM CONNECT command")
	return connect
}

func (e *SAMEmit) ConnectBytes(dest string) []byte {
	return []byte(e.Connect(dest))
}

func (e *SAMEmit) Accept() string {
	accept := fmt.Sprintf(
		"STREAM ACCEPT ID=%s %s %s",
		e.I2PConfig.ID(),
		e.I2PConfig.FromPort(),
		e.I2PConfig.ToPort(),
	)
	log.WithField("accept", accept).Debug("Generated STREAM ACCEPT command")
	return accept
}

func (e *SAMEmit) AcceptBytes() []byte {
	return []byte(e.Accept())
}

func NewEmit(opts ...func(*SAMEmit) error) (*SAMEmit, error) {
	var emit SAMEmit
	for _, o := range opts {
		if err := o(&emit); err != nil {
			log.WithError(err).Error("Failed to apply option")
			return nil, err
		}
	}
	log.Debug("New SAMEmit instance created")
	return &emit, nil
}