/usr/share/gocode/src/gopkg.in/redis.v2/pubsub.go is in golang-gopkg-redis.v2-dev 2.3.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | package redis
import (
"fmt"
"time"
)
// Not thread-safe.
type PubSub struct {
*baseClient
}
func (c *Client) PubSub() *PubSub {
return &PubSub{
baseClient: &baseClient{
opt: c.opt,
connPool: newSingleConnPool(c.connPool, false),
},
}
}
func (c *Client) Publish(channel, message string) *IntCmd {
req := NewIntCmd("PUBLISH", channel, message)
c.Process(req)
return req
}
type Message struct {
Channel string
Payload string
}
func (m *Message) String() string {
return fmt.Sprintf("Message<%s: %s>", m.Channel, m.Payload)
}
type PMessage struct {
Channel string
Pattern string
Payload string
}
func (m *PMessage) String() string {
return fmt.Sprintf("PMessage<%s: %s>", m.Channel, m.Payload)
}
type Subscription struct {
Kind string
Channel string
Count int
}
func (m *Subscription) String() string {
return fmt.Sprintf("%s: %s", m.Kind, m.Channel)
}
func (c *PubSub) Receive() (interface{}, error) {
return c.ReceiveTimeout(0)
}
func (c *PubSub) ReceiveTimeout(timeout time.Duration) (interface{}, error) {
cn, err := c.conn()
if err != nil {
return nil, err
}
cn.readTimeout = timeout
cmd := NewSliceCmd()
if err := cmd.parseReply(cn.rd); err != nil {
return nil, err
}
reply := cmd.Val()
msgName := reply[0].(string)
switch msgName {
case "subscribe", "unsubscribe", "psubscribe", "punsubscribe":
return &Subscription{
Kind: msgName,
Channel: reply[1].(string),
Count: int(reply[2].(int64)),
}, nil
case "message":
return &Message{
Channel: reply[1].(string),
Payload: reply[2].(string),
}, nil
case "pmessage":
return &PMessage{
Pattern: reply[1].(string),
Channel: reply[2].(string),
Payload: reply[3].(string),
}, nil
}
return nil, fmt.Errorf("redis: unsupported message name: %q", msgName)
}
func (c *PubSub) subscribe(cmd string, channels ...string) error {
cn, err := c.conn()
if err != nil {
return err
}
args := append([]string{cmd}, channels...)
req := NewSliceCmd(args...)
return c.writeCmd(cn, req)
}
func (c *PubSub) Subscribe(channels ...string) error {
return c.subscribe("SUBSCRIBE", channels...)
}
func (c *PubSub) PSubscribe(patterns ...string) error {
return c.subscribe("PSUBSCRIBE", patterns...)
}
func (c *PubSub) unsubscribe(cmd string, channels ...string) error {
cn, err := c.conn()
if err != nil {
return err
}
args := append([]string{cmd}, channels...)
req := NewSliceCmd(args...)
return c.writeCmd(cn, req)
}
func (c *PubSub) Unsubscribe(channels ...string) error {
return c.unsubscribe("UNSUBSCRIBE", channels...)
}
func (c *PubSub) PUnsubscribe(patterns ...string) error {
return c.unsubscribe("PUNSUBSCRIBE", patterns...)
}
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