Add RedisClient implementation for managing Redis connections, including methods for connecting, closing, pinging, and checking connection status.

redis.go

@@ -0,0 +1,88 @@
+package reconnect
+
+import (
+	"context"
+	"fmt"
+	"sync"
+
+	"github.com/redis/go-redis/v9"
+)
+
+// RedisClient Redis客户端包装器
+type RedisClient struct {
+	options *redis.Options
+	client  *redis.Client
+	mu      sync.RWMutex
+}
+
+// NewRedisClient 创建新的Redis客户端
+func NewRedisClient(options *redis.Options) *RedisClient {
+	return &RedisClient{
+		options: options,
+	}
+}
+
+// Connect 建立Redis连接
+func (r *RedisClient) Connect(ctx context.Context) error {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+
+	if r.client != nil {
+		_ = r.client.Close()
+	}
+
+	client := redis.NewClient(r.options)
+	if err := client.Ping(ctx).Err(); err != nil {
+		return fmt.Errorf("redis ping failed: %w", err)
+	}
+
+	r.client = client
+	return nil
+}
+
+// Close 关闭Redis连接
+func (r *RedisClient) Close() error {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+
+	if r.client != nil {
+		err := r.client.Close()
+		r.client = nil
+		return err
+	}
+	return nil
+}
+
+// Ping 检查Redis连接是否健康
+func (r *RedisClient) Ping(ctx context.Context) error {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	if r.client == nil {
+		return fmt.Errorf("redis client is nil")
+	}
+
+	return r.client.Ping(ctx).Err()
+}
+
+// IsConnected 检查连接状态
+func (r *RedisClient) IsConnected() bool {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	return r.client != nil
+}
+
+// GetClient 获取底层的Redis客户端
+func (r *RedisClient) GetClient() *redis.Client {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	return r.client
+}
+
+// RedisManager 创建Redis重连管理器
+func RedisManager(options *redis.Options, config *Config) *Manager {
+	client := NewRedisClient(options)
+	return NewManager(client, config)
+}