feat: Prism HTTP/SOCKS5 代理网关及管理台

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/log/collector.go

@@ -0,0 +1,67 @@
+package applog
+
+import (
+	"context"
+	"sync"
+	"time"
+
+	"github.com/prism/proxy/internal/store"
+)
+
+type Entry struct {
+	Level     string    `json:"level"`
+	Source    string    `json:"source"`
+	Message   string    `json:"message"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+type Collector struct {
+	mu      sync.RWMutex
+	ring    []Entry
+	cap     int
+	store   *store.Store
+	persist bool
+}
+
+func NewCollector(s *store.Store, capacity int, persist bool) *Collector {
+	return &Collector{
+		ring:    make([]Entry, 0, capacity),
+		cap:     capacity,
+		store:   s,
+		persist: persist,
+	}
+}
+
+func (c *Collector) Add(level, source, message string) {
+	e := Entry{
+		Level:     level,
+		Source:    source,
+		Message:   message,
+		CreatedAt: time.Now(),
+	}
+	c.mu.Lock()
+	if len(c.ring) >= c.cap {
+		c.ring = c.ring[1:]
+	}
+	c.ring = append(c.ring, e)
+	c.mu.Unlock()
+
+	if c.persist && c.store != nil {
+		_ = c.store.AddRequestLog(context.Background(), level, source, message)
+	}
+}
+
+func (c *Collector) List(limit int) []Entry {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+	if limit <= 0 || limit > len(c.ring) {
+		limit = len(c.ring)
+	}
+	start := len(c.ring) - limit
+	if start < 0 {
+		start = 0
+	}
+	out := make([]Entry, limit)
+	copy(out, c.ring[start:])
+	return out
+}