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safe_packet_provider.go
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/
safe_packet_provider.go
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package safepacketprovider
import (
"net"
"github.com/mark-rushakoff/go_tftpd/requestagent"
"github.com/mark-rushakoff/go_tftpd/safepackets"
"github.com/mark-rushakoff/go_tftpd/safetyfilter"
)
type SafePacketProvider struct {
incomingSafeAck chan *safetyfilter.IncomingSafeAck
incomingSafeReadRequest chan *safetyfilter.IncomingSafeReadRequest
incomingInvalidMessage chan *safetyfilter.IncomingInvalidMessage
requestAgent *requestagent.RequestAgent
}
func NewSafePacketProvider(conn net.PacketConn) *SafePacketProvider {
ackChan := make(chan *safetyfilter.IncomingSafeAck, 3)
readChan := make(chan *safetyfilter.IncomingSafeReadRequest, 3)
invalidChan := make(chan *safetyfilter.IncomingInvalidMessage, 3)
safeRequestHandler := &safeRequestHandler{
safeAck: ackChan,
safeReadRequest: readChan,
safeInvalidMessage: invalidChan,
}
safetyFilter := safetyfilter.MakeSafetyFilter(safepackets.NewConverter(), safeRequestHandler)
requestHandler := &requestHandler{
safetyFilter: safetyFilter,
}
requestAgent := requestagent.NewRequestAgent(conn, requestHandler)
return &SafePacketProvider{
incomingSafeAck: ackChan,
incomingSafeReadRequest: readChan,
incomingInvalidMessage: invalidChan,
requestAgent: requestAgent,
}
}
func (p *SafePacketProvider) IncomingSafeAck() <-chan *safetyfilter.IncomingSafeAck {
return p.incomingSafeAck
}
func (p *SafePacketProvider) IncomingSafeReadRequest() <-chan *safetyfilter.IncomingSafeReadRequest {
return p.incomingSafeReadRequest
}
func (p *SafePacketProvider) IncomingInvalidMessage() <-chan *safetyfilter.IncomingInvalidMessage {
return p.incomingInvalidMessage
}
func (p *SafePacketProvider) Read() {
p.requestAgent.Read()
}