Initial commit

core/core.go

@@ -0,0 +1,118 @@
+package core
+
+import (
+	"fmt"
+	"sync"
+
+	"go.uber.org/zap"
+)
+
+// Core 进程入口 - 管理多个 Engine 实例
+type Core struct {
+	engines map[string]*Engine // engineID -> Engine
+	mu      sync.RWMutex
+	logger  *zap.Logger
+}
+
+// NewCore 创建 Core 实例（进程入口）
+func NewCore(logger *zap.Logger) *Core {
+	return &Core{
+		engines: make(map[string]*Engine),
+		logger:  logger,
+	}
+}
+
+// CreateEngine 创建 Engine 实例
+func (c *Core) CreateEngine(engineID string, metrics *Metrics) (*Engine, error) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	// 检查是否已存在
+	if _, ok := c.engines[engineID]; ok {
+		return nil, fmt.Errorf("engine %s already exists", engineID)
+	}
+
+	// 创建新 Engine
+	engine := NewEngine(c.logger, metrics)
+	c.engines[engineID] = engine
+
+	c.logger.Info("创建 Engine 实例",
+		zap.String("engine_id", engineID))
+
+	return engine, nil
+}
+
+// GetEngine 获取 Engine 实例
+func (c *Core) GetEngine(engineID string) (*Engine, error) {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+
+	engine, ok := c.engines[engineID]
+	if !ok {
+		return nil, fmt.Errorf("engine %s not found", engineID)
+	}
+
+	return engine, nil
+}
+
+// RemoveEngine 移除 Engine 实例
+func (c *Core) RemoveEngine(engineID string) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	engine, ok := c.engines[engineID]
+	if !ok {
+		return fmt.Errorf("engine %s not found", engineID)
+	}
+
+	// 停止 Engine
+	if err := engine.Stop(); err != nil {
+		c.logger.Warn("停止 Engine 失败",
+			zap.String("engine_id", engineID),
+			zap.Error(err))
+	}
+
+	delete(c.engines, engineID)
+	c.logger.Info("移除 Engine 实例",
+		zap.String("engine_id", engineID))
+
+	return nil
+}
+
+// ListEngines 列出所有 Engine ID
+func (c *Core) ListEngines() []string {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+
+	ids := make([]string, 0, len(c.engines))
+	for id := range c.engines {
+		ids = append(ids, id)
+	}
+	return ids
+}
+
+// Count 获取 Engine 数量
+func (c *Core) Count() int {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+	return len(c.engines)
+}
+
+// Close 关闭所有 Engine
+func (c *Core) Close() error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	for id, engine := range c.engines {
+		if err := engine.Stop(); err != nil {
+			c.logger.Warn("停止 Engine 失败",
+				zap.String("engine_id", id),
+				zap.Error(err))
+		}
+	}
+
+	c.engines = make(map[string]*Engine)
+	c.logger.Info("关闭所有 Engine")
+
+	return nil
+}