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@@ -0,0 +1,193 @@
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+// factory/rabbitmq_factory.go
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+package rabbitmq
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+
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+import (
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+ "fmt"
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+ "sync"
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+
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+ "git.x2erp.com/qdy/go-base/config"
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+ amqp "github.com/streadway/amqp"
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+)
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+
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+// RabbitMQFactory RabbitMQ工厂
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+type RabbitMQFactory struct {
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+ mu sync.RWMutex
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+ clients map[string]*amqp.Channel
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+ conn *amqp.Connection
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+ config config.RabbitMQConfig
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+}
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+
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+// NewRabbitMQFactory 创建RabbitMQ工厂
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+func NewRabbitMQFactory() (*RabbitMQFactory, error) {
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+ cfg := config.GetConfig()
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+
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+ if err := config.GetInitError(); err != nil {
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+ return nil, fmt.Errorf("failed to load config: %v", err)
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+ }
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+
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+ rabbitConfig := cfg.GetRabbitMQ()
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+ if rabbitConfig.Host == "" || rabbitConfig.Port == 0 {
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+ return nil, fmt.Errorf("rabbitmq configuration is incomplete")
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+ }
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+
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+ // 构建连接URL
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+ url := fmt.Sprintf("amqp://%s:%s@%s:%d/%s",
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+ rabbitConfig.Username,
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+ rabbitConfig.Password,
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+ rabbitConfig.Host,
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+ rabbitConfig.Port,
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+ rabbitConfig.Vhost)
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+
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+ // 建立连接
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+ conn, err := amqp.Dial(url)
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+ if err != nil {
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+ return nil, fmt.Errorf("failed to connect to rabbitmq: %v", err)
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+ }
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+
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+ return &RabbitMQFactory{
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+ conn: conn,
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+ config: rabbitConfig,
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+ clients: make(map[string]*amqp.Channel),
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+ }, nil
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+}
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+
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+// CreateChannel 创建消息通道
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+func (f *RabbitMQFactory) CreateChannel(name string) (*amqp.Channel, error) {
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+ f.mu.Lock()
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+ defer f.mu.Unlock()
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+
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+ // 如果已存在，直接返回
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+ if channel, ok := f.clients[name]; ok && channel != nil {
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+ return channel, nil
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+ }
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+
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+ // 创建新通道
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+ channel, err := f.conn.Channel()
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+ if err != nil {
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+ return nil, fmt.Errorf("failed to create channel '%s': %v", name, err)
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+ }
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+
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+ // 设置QoS（可选）
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+ if f.config.PrefetchCount > 0 {
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+ err = channel.Qos(
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+ f.config.PrefetchCount,
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+ f.config.PrefetchSize,
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+ f.config.Global,
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+ )
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+ if err != nil {
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+ channel.Close()
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+ return nil, fmt.Errorf("failed to set qos for channel '%s': %v", name, err)
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+ }
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+ }
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+
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+ f.clients[name] = channel
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+ return channel, nil
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+}
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+
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+// GetChannel 获取已创建的通道
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+func (f *RabbitMQFactory) GetChannel(name string) (*amqp.Channel, error) {
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+ f.mu.RLock()
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+ defer f.mu.RUnlock()
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+
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+ channel, ok := f.clients[name]
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+ if !ok || channel == nil {
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+ return nil, fmt.Errorf("channel '%s' not found", name)
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+ }
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+ return channel, nil
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+}
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+
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+// CloseChannel 关闭指定通道
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+func (f *RabbitMQFactory) CloseChannel(name string) error {
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+ f.mu.Lock()
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+ defer f.mu.Unlock()
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+
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+ channel, ok := f.clients[name]
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+ if ok && channel != nil {
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+ if err := channel.Close(); err != nil {
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+ return fmt.Errorf("failed to close channel '%s': %v", name, err)
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+ }
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+ delete(f.clients, name)
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+ }
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+ return nil
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+}
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+
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+// AddExchange 添加交换机
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+func (f *RabbitMQFactory) AddExchange(channelName, exchange, exchangeType string, durable bool) error {
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+ channel, err := f.GetChannel(channelName)
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+ if err != nil {
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+ return err
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+ }
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+
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+ return channel.ExchangeDeclare(
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+ exchange,
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+ exchangeType, // "direct", "fanout", "topic", "headers"
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+ durable, // durable
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+ false, // auto-deleted
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+ false, // internal
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+ false, // no-wait
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+ nil, // arguments
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+ )
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+}
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+
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+// AddQueue 添加队列
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+func (f *RabbitMQFactory) AddQueue(channelName, queue string, durable, exclusive, autoDelete bool) error {
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+ channel, err := f.GetChannel(channelName)
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+ if err != nil {
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+ return err
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+ }
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+
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+ _, err = channel.QueueDeclare(
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+ queue,
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+ durable, // durable
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+ autoDelete, // delete when unused
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+ exclusive, // exclusive
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+ false, // no-wait
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+ nil, // arguments
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+ )
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+ return err
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+}
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+
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+// BindQueue 绑定队列到交换机
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+func (f *RabbitMQFactory) BindQueue(channelName, queue, exchange, routingKey string) error {
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+ channel, err := f.GetChannel(channelName)
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+ if err != nil {
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+ return err
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+ }
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+
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+ return channel.QueueBind(
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+ queue,
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+ routingKey,
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+ exchange,
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+ false, // no-wait
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+ nil, // arguments
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+ )
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+}
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+
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+// Close 关闭所有连接
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+func (f *RabbitMQFactory) Close() error {
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+ f.mu.Lock()
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+ defer f.mu.Unlock()
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+
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+ // 关闭所有通道
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+ var errs []error
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+ for name, channel := range f.clients {
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+ if channel != nil {
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+ if err := channel.Close(); err != nil {
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+ errs = append(errs, fmt.Errorf("close channel '%s' error: %v", name, err))
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+ }
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+ }
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+ }
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+ f.clients = make(map[string]*amqp.Channel)
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+
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+ // 关闭连接
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+ if f.conn != nil {
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+ if err := f.conn.Close(); err != nil {
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+ errs = append(errs, fmt.Errorf("close connection error: %v", err))
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+ }
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+ }
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+
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+ if len(errs) > 0 {
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+ return fmt.Errorf("errors closing rabbitmq: %v", errs)
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+ }
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+ return nil
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+}
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