/
cp.go
98 lines (75 loc) · 1.93 KB
/
cp.go
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package engine
import (
"github.com/Chendemo12/micromq/src/proto"
"github.com/Chendemo12/micromq/src/transfer"
"sync"
"time"
)
type ConsumerConfig struct {
Topics []string `json:"topics"`
Ack proto.AckType `json:"ack"`
}
type ProducerConfig struct {
Ack proto.AckType `json:"ack"`
// 定时器间隔,单位ms,仅生产者有效,生产者需要按照此间隔发送帧消息
TickerInterval time.Duration `json:"ticker_duration"`
}
type Consumer struct {
index int
mu *sync.Mutex
Addr string `json:"addr"`
Conf *ConsumerConfig `json:"conf"`
Conn transfer.Conn `json:"-"`
}
func (c *Consumer) reset() *Consumer {
c.Addr = ""
c.Conf = nil
c.Conn = nil
return c
}
func (c *Consumer) IsFree() bool { return c.Addr == "" }
func (c *Consumer) SetConn(r transfer.Conn) *Consumer {
c.Addr = r.Addr()
c.Conn = r
return c
}
func (c *Consumer) Index() int { return c.index }
// NeedConfirm 是否需要返回确认消息给客户端
func (c *Consumer) NeedConfirm() bool { return c.Conf.Ack != proto.NoConfirm }
// Send 向消费者客户端推送消息, 此操作是线程安全的
func (c *Consumer) Send(msg proto.Message) error {
frame := framePool.Get()
defer framePool.Put(frame)
err := frame.BuildFrom(msg)
if err != nil {
return err
}
c.mu.Lock()
defer c.mu.Unlock()
_, err = frame.WriteTo(c.Conn)
if err != nil {
return err
}
return c.Conn.Drain()
}
type Producer struct {
index int
mu *sync.Mutex
Addr string `json:"addr"`
Conf *ProducerConfig `json:"conf"`
Conn transfer.Conn `json:"-"`
}
func (p *Producer) reset() *Producer {
p.Addr = ""
p.Conf = nil
p.Conn = nil
return p
}
func (p *Producer) IsFree() bool { return p.Addr == "" }
func (p *Producer) SetConn(r transfer.Conn) *Producer {
p.Addr = r.Addr()
p.Conn = r
return p
}
func (p *Producer) Index() int { return p.index }
func (p *Producer) NeedConfirm() bool { return p.Conf.Ack != proto.NoConfirm }