/
transport.go
78 lines (67 loc) · 1.87 KB
/
transport.go
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package transport
import (
"github.com/bwoff11/go-resolve/internal/common"
"github.com/bwoff11/go-resolve/internal/config"
"github.com/rs/zerolog/log"
)
const (
queueBufferSize = 256 // For inbound/outbound queues
UDPBufferSize = 512 // For UDP packet size
)
type Transport interface {
Listen() error
Close() error
}
// Transports now uses a map for dynamic transport management.
type Transports struct {
Transports map[common.Protocol]Transport
Queue chan QueueItem
}
// Initializes Transports with enabled transports from configuration.
func New(cfg *config.Transport) *Transports {
ts := &Transports{
Transports: make(map[common.Protocol]Transport),
Queue: make(chan QueueItem, queueBufferSize),
}
if cfg.TCP.Enabled {
tcp, err := NewTCP(cfg.TCP, ts.Queue)
if err != nil {
log.Fatal().Err(err).Msg("failed to initialize TCP transport")
}
ts.Transports[common.ProtocolTCP] = tcp
log.Info().Str("common.Protocol", string(common.ProtocolTCP)).Msg("transport enabled")
}
if cfg.UDP.Enabled {
udp, err := NewUDP(cfg.UDP, ts.Queue)
if err != nil {
log.Fatal().Err(err).Msg("failed to initialize UDP transport")
}
ts.Transports[common.ProtocolUDP] = udp
log.Info().Str("common.Protocol", string(common.ProtocolUDP)).Msg("transport enabled")
}
return ts
}
func (t *Transports) Start() {
t.Listen()
}
// Listen on all initialized transports.
func (t *Transports) Listen() error {
for _, transport := range t.Transports {
go func(transport Transport) {
if err := transport.Listen(); err != nil {
log.Error().Err(err).Msg("transport error")
}
}(transport)
}
return nil
}
// Stop all initialized transports.
func (t *Transports) Stop() error {
for name, transport := range t.Transports {
if err := transport.Close(); err != nil {
return err
}
log.Info().Str("transport", string(name)).Msg("transport stopped")
}
return nil
}