/
apitcp.go
54 lines (46 loc) · 1.37 KB
/
apitcp.go
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package vined
import (
"crypto/md5"
"fmt"
"io"
"net"
log "github.com/donnie4w/go-logger/logger"
"github.com/vineio/vine/internal/protocol"
)
type apiTcpServer struct {
ctx *context
}
func (t *apiTcpServer) Handle(clientConn net.Conn) {
log.Info(fmt.Sprintf("API TCP: new client(%s)", clientConn.RemoteAddr()))
buf := make([]byte, 16)
_, err := io.ReadFull(clientConn, buf)
if err != nil {
log.Info(fmt.Sprintf("failed to read protocol serial port md5 value - %s", err))
return
}
var protocolMagic [md5.Size]byte
copy(protocolMagic[:], buf)
log.Info(fmt.Sprintf("CLIENT(%v): desired protocol magic '%v'", clientConn.RemoteAddr(), protocolMagic))
var prot protocol.Protocol
ok := false
for portName, md5_value := range t.ctx.vined.serialMd5 {
if protocolMagic == md5_value {
t.ctx.vined.ApiTCPConn[clientConn] = portName //set up map for client conn and serial port name
ok = true
break
}
}
if ok {
prot = &protocolV1{ctx: t.ctx}
} else {
protocol.SendFramedResponse(clientConn, frameTypeError, []byte("E_BAD_PROTOCOL"))
clientConn.Close()
log.Error(fmt.Sprintf("client(%s) bad protocol serial md5 '%v'", clientConn.RemoteAddr(), protocolMagic))
return
}
err = prot.IOLoop(clientConn)
if err != nil {
log.Error(fmt.Sprintf("client(%s) - %s", clientConn.RemoteAddr(), err))
return
}
}