#!/usr/bin/env lua5.4

--[[

Example script demonstrating OpenCog system functions

This script shows basic usage of the ocsys package for

monitoring and managing cognitive processes.

--]]

-- Add current directory to package path

package.cpath = package.cpath .. ";./?.so"

package.path = package.path .. ";./?.lua"

-- Load the sys module

local sys = require('init')

print("=== OpenCog System Functions Example ===\n")

-- 1. Basic System Information

print("1. System Information:")

print(string.format(" Running on: %s", sys.OS))

print(string.format(" Process ID: %d\n", sys.get_pid()))

-- 2. Memory Monitoring

print("2. Memory Monitoring:")

local mem = sys.monitor_memory()

if mem then

print(string.format(" Process Memory: %.2f MB", mem.process_rss_mb))

print(string.format(" System Free: %.2f MB", mem.system_free_mb))

print(string.format(" Memory Pressure: %.1f%%\n", mem.memory_pressure))

end

-- 3. Configuration Management

print("3. Configuration Management:")

sys.set_opencog_param("learning_rate", 0.01)

sys.set_opencog_param("max_atoms", 1000000)

print(string.format(" learning_rate = %s", sys.get_opencog_param("learning_rate", "not set")))

print(string.format(" max_atoms = %s\n", sys.get_opencog_param("max_atoms", "not set")))

-- 4. Benchmarking Operations

print("4. Benchmarking Operations:")

local function fibonacci(n)

if n <= 1 then return n end

return fibonacci(n-1) + fibonacci(n-2)

end

local result = sys.benchmark_operation("fibonacci", fibonacci, 20)

print(string.format(" Operation: %s", result.operation))

print(string.format(" Duration: %.4f seconds", result.duration))

print(string.format(" Result: %s\n", result.results[1]))

-- 5. Cognitive Statistics

print("5. Cognitive Statistics:")

local stats = sys.cognitive_stats()

if stats then

print(string.format(" Total CPU Time: %.3f seconds", stats.cpu_time_total))

print(string.format(" CPU Efficiency: %.2f", stats.cpu_efficiency))

print(string.format(" Memory Usage: %.2f MB", stats.memory_mb))

print(string.format(" Context Switches: %d\n", stats.context_switches_total))

end

-- 6. Network Information for Distributed Processing

print("6. Network Information:")

local network = sys.get_network_info()

print(string.format(" Hostname: %s", network.hostname))

print(string.format(" IP: %s", network.ip))

print(string.format(" Unique Node ID: %s\n", sys.create_node_id()))

-- 7. Resource Limits Check

print("7. Resource Limits:")

local limits = sys.check_resource_limits()

print(string.format(" Memory OK: %s", limits.memory_ok and "✓" or "✗"))

print(string.format(" CPU OK: %s", limits.cpu_ok and "✓" or "✗"))

print(string.format(" Overall OK: %s\n", limits.overall_ok and "✓" or "✗"))

-- 8. Custom Logging

print("8. Cognitive Event Logging:")

sys.log_cognitive_event("INFO", "EXAMPLE", "Demonstration completed successfully")

print("\n=== Example Complete ===")