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tcp_scan.go
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/
tcp_scan.go
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package main
import (
"net"
)
type TCPScanner struct {
dataBuff []uint8
tcpConn net.Conn
dataCh chan *SourceIQ
err error
}
func NewTCPScanner(servAddr string, dataLen int) *TCPScanner {
scanner := &TCPScanner{
dataBuff: make([]uint8, dataLen),
dataCh: make(chan *SourceIQ, 1),
}
tcpAddr, err := net.ResolveTCPAddr("tcp", servAddr)
if err != nil {
panic("ResolveTCPAddr failed: " + err.Error())
}
scanner.tcpConn, err = net.DialTCP("tcp", nil, tcpAddr)
if err != nil {
panic(err)
}
return scanner
}
func (s *TCPScanner) Start() error {
for {
dataLen, err := s.tcpConn.Read(s.dataBuff)
if err != nil {
return err
}
s.dataCh <- NewSourceIQ(s.dataBuff, dataLen)
}
}
func (s *TCPScanner) Close() {
s.tcpConn.Close()
}
func (s *TCPScanner) GetSourceIQCh() <-chan *SourceIQ {
return s.dataCh
}
func (s *TCPScanner) Error() error {
return s.err
}