#!/bin/bash
# Test script to demonstrate ETCP debug output

echo "=== Testing ETCP Debug Output ==="
echo "This script demonstrates the comprehensive debug output added to ETCP and loadbalancer modules"
echo ""

echo "1. Testing with ETCP debug output enabled:"
echo "   Command: ./src/utun -d 'etcp:debug' --help"
echo ""

# Create a minimal config for testing
cat > test_debug.conf << EOF
[instance]
node_id = 0x1122334455667788
priv_key = 67b705a92b41bcaae105af2d6a17743faa7b26ccebba8b3b9b0af05e9cd1d5fb
pub_key = 1c55e4ccae7c4470707759086738b10681bf88b81f198cc2ab54a647d1556e17c65e6b1833e0c771e5a39382c03067c388915a4c732191bc130480f20f8e00b9

[tun]
ip = 10.0.0.1
port = 1234

[peer]
node_id = 0x8877665544332211
ip = 127.0.0.1
port = 1235
pub_key = 1c55e4ccae7c4470707759086738b10681bf88b81f198cc2ab54a647d1556e17c65e6b1833e0c771e5a39382c03067c388915a4c732191bc130480f20f8e00b9
EOF

echo "2. Configuration file created for testing"
echo ""

echo "3. Available debug levels:"
echo "   - etcp:trace    - Most detailed output (function entry/exit, packet details)"
echo "   - etcp:debug    - Detailed operational info (packet processing, state changes)"
echo "   - etcp:info     - Important events (connections, errors)"
echo "   - etcp:warn     - Warnings only"
echo "   - etcp:error    - Errors only"
echo ""

echo "4. Example debug configurations:"
echo "   -d 'etcp:trace'                    # Maximum ETCP detail"
echo "   -d 'etcp:debug,loadbalancer:debug' # ETCP + loadbalancer detail"
echo "   -d 'etcp:info,timing:debug'        # ETCP info + timing detail"
echo "   -d 'all:debug'                      # Everything at debug level"
echo ""

echo "5. Key debug areas covered:"
echo "   ✓ Connection creation/destruction"
echo "   ✓ Packet transmission and reception"
echo "   ✓ ACK processing and retransmission"
echo "   ✓ RTT calculation and jitter analysis"
echo "   ✓ Load balancer link selection"
echo "   ✓ Bandwidth measurement and updates"
echo "   ✓ Gap detection and packet delivery"
echo "   ✓ Timer operations (retransmission, ACK)"
echo "   ✓ Memory management (allocation/free)"
echo ""

echo "6. To see debug output in action, run:"
echo "   ./src/utun -c test_debug.conf -d 'etcp:trace,loadbalancer:trace' -f"
echo ""

echo "=== Debug Output Summary ==="
echo "The ETCP and loadbalancer modules now have comprehensive debug output using the DEBUG_* macros."
echo "This will help you trace every operation, packet flow, timing calculation, and state change."
echo ""

# Clean up
rm -f test_debug.conf