Add code to actually configure interface

client_node/client.py

@@ -10,10 +10,12 @@ import sys
 import ax25
 import ax25.ports
 import ax25.socket
+import subprocess
 
 # Settings
 CLIENT_CALLSIGN = "N0CALL-7"
 BEACON_CALLSIGN = "KI5QKX-10"  # We expect the server to be beaconing from here
+AX_IFACE = "ax0"
 
 # Missing from 'socket'
 ETH_P_AX25 = 2
@@ -49,14 +51,69 @@ lease_expiration = None
 def build_request(network_name):
     return f"0.1|CRAP_REQUEST|{CLIENT_CALLSIGN}|{network_name}".encode('utf-8')
 
+# Configure network
+def interface_needs_update(ip_address, netmask, iface=AX_IFACE):
+    try:
+        result = subprocess.run(
+            ["ip", "-4", "addr", "show", "dev", iface],
+            capture_output=True,
+            text=True,
+            check=True
+        )
+        output = result.stdout
+        logger.debug(f"Interface status:\n{output}")
+
+        cidr_ip = f"{ip_address}/{netmask}"
+        return cidr_ip not in output
+
+    except subprocess.CalledProcessError as e:
+        logger.error(f"Error checking interface: {e}")
+        return True  # Assume needs update if we can't tell
+
+def configure_network_interface(ip_address, netmask, gateway, dns_server, iface=AX_IFACE):
+    try:
+        if interface_needs_update(ip_address, netmask, iface):
+            logger.info("Configuring network interface...")
+            
+            # Flush existing addresses
+            subprocess.run(["ip", "addr", "flush", "dev", iface], check=True)
+            
+            # Add new IP
+            cidr_ip = f"{ip_address}/{netmask}"
+            subprocess.run(["ip", "addr", "add", cidr_ip, "dev", iface], check=True)
+
+            # Set up route
+            # subprocess.run(["ip", "route", "add", "default", "via", gateway, "dev", iface], check=True)
+
+            # Update DNS
+            # with open("/etc/resolv.conf", "w") as resolv:
+            #     resolv.write(f"nameserver {dns_server}\n")
+
+            logger.info(f"Network interface {iface} configured successfully.")
+        else:
+            logger.info(f"Interface {iface} already configured with {ip_address}/{netmask}. No changes needed.")
+
+    except subprocess.CalledProcessError as e:
+        logger.error(f"Failed to configure network: {e}")
+    except Exception as e:
+        logger.error(f"Unexpected error during network config: {e}")
+
 # Apply network configuration (mock)
 def apply_network_config(assigned_ip, gateway, dns, lease_time):
     global configured, lease_expiration
     logger.info(f"Applying network config:")
     logger.info(f"  Assigned IP: {assigned_ip}")
-    logger.info(f"  Gateway: {gateway}")
-    logger.info(f"  DNS Server: {dns}")
+    # logger.info(f"  Gateway: {gateway}")
+    # logger.info(f"  DNS Server: {dns}")
     logger.info(f"  Lease Time: {lease_time} seconds")
+
+    configure_network_interface(
+        ip_address=assigned_ip.split('/')[0],
+        netmask=assigned_ip.split('/')[1] if '/' in assigned_ip else "24",
+        gateway=gateway,
+        dns_server=dns
+    )
+
     configured = True
     lease_expiration = time.time() + int(lease_time)