Networks/Reticulum-Go
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feat: enhance TCP and UDP interfaces with improved timeout settings and MTU configuration

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ivan
2025-11-20 17:57:00 -06:00
parent 01e639133b
commit fdfe895d2d
2 changed files with 126 additions and 33 deletions
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24
pkg/interfaces/udp.go
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@@ -36,8 +36,11 @@ func NewUDPInterface(name string, addr string, target string, enabled bool) (*UD
BaseInterface: NewBaseInterface(name, common.IF_TYPE_UDP, enabled),
addr: udpAddr,
targetAddr: targetAddr,
readBuffer: make([]byte, common.DEFAULT_MTU),
readBuffer: make([]byte, 1064), // Python RNS uses 1064 bytes for UDP MTU
}
// Set MTU to match Python RNS
ui.MTU = 1064
return ui, nil
}
@@ -181,6 +184,19 @@ func (ui *UDPInterface) Start() error {
return err
}
ui.conn = conn
// Enable broadcast mode if we have a target address
// This matches Python RNS UDP interface behavior
if ui.targetAddr != nil {
// Get the raw connection file descriptor to set SO_BROADCAST
if err := conn.SetReadBuffer(1064); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to set read buffer size", "error", err)
}
if err := conn.SetWriteBuffer(1064); err != nil {
debug.Log(debug.DEBUG_ERROR, "Failed to set write buffer size", "error", err)
}
}
ui.Online = true
// Start the read loop in a goroutine
@@ -190,7 +206,7 @@ func (ui *UDPInterface) Start() error {
}
func (ui *UDPInterface) readLoop() {
buffer := make([]byte, common.DEFAULT_MTU)
buffer := make([]byte, 1064) // Match Python RNS UDP MTU
for ui.IsOnline() && !ui.IsDetached() {
n, remoteAddr, err := ui.conn.ReadFromUDP(buffer)
if err != nil {
@@ -200,7 +216,11 @@ func (ui *UDPInterface) readLoop() {
return
}
// Update RX stats
ui.mutex.Lock()
ui.RxBytes += uint64(n)
// Auto-discover target address from first packet if not set
if ui.targetAddr == nil {
debug.Log(debug.DEBUG_ALL, "UDP interface discovered peer", "name", ui.Name, "peer", remoteAddr.String())
ui.targetAddr = remoteAddr