path: root/ethwire/client_identity.go

package ethwire

import (
    "fmt"
    "runtime"
)

// should be used in Peer handleHandshake, incorporate Caps, ProtocolVersion, Pubkey etc.
type ClientIdentity interface {
    String() string
}

type SimpleClientIdentity struct {
    clientIdentifier string
    version          string
    customIdentifier string
    os               string
    implementation   string
}

func NewSimpleClientIdentity(clientIdentifier string, version string, customIdentifier string) *SimpleClientIdentity {
    clientIdentity := &SimpleClientIdentity{
        clientIdentifier: clientIdentifier,
        version:          version,
        customIdentifier: customIdentifier,
        os:               runtime.GOOS,
        implementation:   runtime.Version(),
    }

    return clientIdentity
}

func (c *SimpleClientIdentity) init() {
}

func (c *SimpleClientIdentity) String() string {
    var id string
    if len(c.customIdentifier) > 0 {
        id = "/" + c.customIdentifier
    }

    return fmt.Sprintf("%s/v%s%s/%s/%s",
        c.clientIdentifier,
        c.version,
        id,
        c.os,
        c.implementation)
}

func (c *SimpleClientIdentity) SetCustomIdentifier(customIdentifier string) {
    c.customIdentifier = customIdentifier
}

func (c *SimpleClientIdentity) GetCustomIdentifier() string {
    return c.customIdentifier
}