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42 changes: 42 additions & 0 deletions dq/consumer.go
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ import (

"github.com/zeromicro/go-zero/core/hash"
"github.com/zeromicro/go-zero/core/logx"
"github.com/zeromicro/go-zero/core/queue"
"github.com/zeromicro/go-zero/core/service"
"github.com/zeromicro/go-zero/core/stores/redis"
)
Expand All @@ -19,6 +20,10 @@ const (
var maxCheckBytes = getMaxTimeLen()

type (
ConsumeHandler interface {
Consume(message string) error
}

Consume func(body []byte)

Consumer interface {
Expand All @@ -42,6 +47,43 @@ func NewConsumer(c DqConf) Consumer {
}
}

func NewService(c DqConf, handler ConsumeHandler) []queue.MessageQueue {
var nodes []*consumerNode
for _, node := range c.Beanstalks {
nodes = append(nodes, newConsumerNode(node.Endpoint, node.Tube))
}
cluster := &consumerCluster{
nodes: nodes,
red: c.Redis.NewRedis(),
}
guardedConsume := func(body []byte) {
key := hash.Md5Hex(body)
body, ok := cluster.unwrap(body)
if !ok {
logx.Errorf("discarded: %q", string(body))
return
}

ok, err := cluster.red.SetnxEx(key, guardValue, expiration)
if err != nil {
logx.Error(err)
} else if ok {
handler.Consume(string(body))
}
}

var services []queue.MessageQueue

for _, node := range nodes {
services = append(services, consumeService{
c: node,
consume: guardedConsume,
})
}

return services
}

func (c *consumerCluster) Consume(consume Consume) {
guardedConsume := func(body []byte) {
key := hash.Md5Hex(body)
Expand Down
5 changes: 5 additions & 0 deletions rabbitmq/sender.go
Original file line number Diff line number Diff line change
Expand Up @@ -49,3 +49,8 @@ func (q *RabbitMqSender) Send(exchange string, routeKey string, msg []byte) erro
},
)
}

func (q *RabbitMqSender) Stop() {
q.channel.Close()
q.conn.Close()
}