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Add configuration system and ARP-based device discovery

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Implement comprehensive configuration management with CLI flags for WiFi interface, device discovery method, and file paths. Add ARP table parsing as an alternative to DHCP leases for more reliable device detection. Improve WiFi scanning to handle concurrent scan requests gracefully.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
nemunaire 2025-12-28 18:51:15 +07:00
commit 2b3a5b89f8
8 changed files with 156 additions and 28 deletions
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4
internal/config/cli.go
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@ -7,6 +7,10 @@ import (
// declareFlags registers flags for the structure Options.
func declareFlags(o *Config) {
flag.StringVar(&o.Bind, "bind", ":8081", "Bind port/socket")
flag.StringVar(&o.WifiInterface, "wifi-interface", "wlan0", "WiFi interface name")
flag.BoolVar(&o.UseARPDiscovery, "use-arp-discovery", true, "Use ARP table for device discovery instead of DHCP leases")
flag.StringVar(&o.DHCPLeasesPath, "dhcp-leases-path", "/var/lib/dhcp/dhcpd.leases", "Path to DHCP leases file")
flag.StringVar(&o.ARPTablePath, "arp-table-path", "/proc/net/arp", "Path to ARP table file")
}
// parseCLI parse the flags and treats extra args as configuration filename.