pulseengine_mcp_monitoring/
collector.rs

1//! Metrics collector implementation
2
3use crate::{config::MonitoringConfig, metrics::ServerMetrics};
4use pulseengine_mcp_protocol::{Error, Request, Response};
5use std::sync::atomic::{AtomicU64, Ordering};
6use std::sync::Arc;
7use tokio::time::Instant;
8
9/// Simple request context for monitoring
10#[derive(Debug, Clone)]
11pub struct RequestContext {
12    pub request_id: uuid::Uuid,
13}
14
15/// Metrics collector for MCP server
16pub struct MetricsCollector {
17    config: MonitoringConfig,
18    start_time: Instant,
19    request_count: Arc<AtomicU64>,
20    error_count: Arc<AtomicU64>,
21}
22
23impl MetricsCollector {
24    pub fn new(config: MonitoringConfig) -> Self {
25        Self {
26            config,
27            start_time: Instant::now(),
28            request_count: Arc::new(AtomicU64::new(0)),
29            error_count: Arc::new(AtomicU64::new(0)),
30        }
31    }
32
33    pub fn start_collection(&self) {
34        if self.config.enabled {
35            // TODO: Start background metrics collection task
36        } else {
37            // Metrics collection is disabled
38        }
39    }
40
41    pub fn stop_collection(&self) {
42        // TODO: Stop background metrics collection
43    }
44
45    /// Process a request and update metrics
46    ///
47    /// # Errors
48    ///
49    /// This function currently never returns an error, but the signature allows for
50    /// future error handling in metrics processing
51    pub fn process_request(
52        &self,
53        request: Request,
54        _context: &RequestContext,
55    ) -> Result<Request, Error> {
56        if self.config.enabled {
57            self.request_count.fetch_add(1, Ordering::Relaxed);
58        }
59        Ok(request)
60    }
61
62    /// Process a response and update error metrics
63    ///
64    /// # Errors
65    ///
66    /// This function currently never returns an error, but the signature allows for
67    /// future error handling in metrics processing
68    pub fn process_response(
69        &self,
70        response: Response,
71        _context: &RequestContext,
72    ) -> Result<Response, Error> {
73        if self.config.enabled && response.error.is_some() {
74            self.error_count.fetch_add(1, Ordering::Relaxed);
75        }
76        Ok(response)
77    }
78
79    pub fn get_current_metrics(&self) -> ServerMetrics {
80        let uptime_seconds = self.start_time.elapsed().as_secs();
81        let requests_total = self.request_count.load(Ordering::Relaxed);
82        let errors_total = self.error_count.load(Ordering::Relaxed);
83
84        ServerMetrics {
85            requests_total,
86            requests_per_second: if uptime_seconds > 0 {
87                #[allow(clippy::cast_precision_loss)]
88                {
89                    requests_total as f64 / uptime_seconds as f64
90                }
91            } else {
92                0.0
93            },
94            average_response_time_ms: 0.0, // TODO: Implement response time tracking
95            error_rate: if requests_total > 0 {
96                #[allow(clippy::cast_precision_loss)]
97                {
98                    errors_total as f64 / requests_total as f64
99                }
100            } else {
101                0.0
102            },
103            active_connections: 0, // TODO: Implement connection tracking
104            memory_usage_bytes: 0, // TODO: Implement memory usage tracking
105            uptime_seconds,
106        }
107    }
108
109    pub fn get_uptime_seconds(&self) -> u64 {
110        self.start_time.elapsed().as_secs()
111    }
112}
113
114#[cfg(test)]
115#[path = "collector_tests.rs"]
116mod collector_tests;
pulseengine_mcp_monitoring/collector.rs

pulseengine_mcp_monitoring/
collector.rs
