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waste-go/cmd/daemon/main.go

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// waste-daemon: the local peer process.
// Run one of these on each friend's machine.
package main
import (
"flag"
"fmt"
"log"
"net"
"os"
"github.com/waste-go/internal/crypto"
"github.com/waste-go/internal/ipc"
"github.com/waste-go/internal/mesh"
"github.com/waste-go/internal/nat"
)
func main() {
dataDir := flag.String("data-dir", "~/.waste", "path to identity/config directory")
alias := flag.String("alias", "anon", "display name shown to peers (advisory only)")
peerPort := flag.Int("peer-port", 17338, "port to accept incoming peer connections")
ipcPort := flag.Int("ipc-port", 17337, "port for local IPC (UI connects here)")
relay := flag.String("relay", "", "optional relay server address (host:port)")
flag.Parse()
// Load or generate identity keypair
id, err := crypto.LoadOrCreate(expandHome(*dataDir), *alias)
if err != nil {
log.Fatalf("identity: %v", err)
}
log.Printf("daemon: local peer id: %s alias: %s", id.PeerID().Short(), id.Alias)
// Shared mesh state
m := mesh.New(id)
// Peer listener (inbound connections from other nodes)
go func() {
addr := fmt.Sprintf("0.0.0.0:%d", *peerPort)
ln, err := net.Listen("tcp", addr)
if err != nil {
log.Fatalf("peer listener: %v", err)
}
log.Printf("daemon: listening for peers on %s", addr)
for {
conn, err := ln.Accept()
if err != nil {
log.Printf("peer accept error: %v", err)
continue
}
go mesh.HandleConn(conn, m, false)
}
}()
// NAT traversal / relay client
go func() {
if err := nat.Run(m, *relay); err != nil {
log.Printf("nat: %v", err)
}
}()
// IPC server — blocks until error
if err := ipc.Run(m, *ipcPort); err != nil {
log.Fatalf("ipc: %v", err)
}
}
func expandHome(path string) string {
if len(path) >= 2 && path[:2] == "~/" {
if home, err := os.UserHomeDir(); err == nil {
return home + path[1:]
}
}
return path
}