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Update README.md
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README.md
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README.md
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@ -36,10 +36,10 @@ Here's a full example of a Redis clone that accepts:
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- SET key value
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- GET key
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- DEL key
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- PUBLISH channel message
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- (P)SUBSCRIBE channel
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- PING
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- QUIT
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- PUBLISH channel message
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- SUBSCRIBE channel
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You can run this example from a terminal:
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@ -70,40 +70,6 @@ func main() {
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switch strings.ToLower(string(cmd.Args[0])) {
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default:
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conn.WriteError("ERR unknown command '" + string(cmd.Args[0]) + "'")
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case "publish":
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// Publish to all pub/sub subscribers and return the number of
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// messages that were sent.
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if len(cmd.Args) != 3 {
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conn.WriteError("ERR wrong number of arguments for '" + string(cmd.Args[0]) + "' command")
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return
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}
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count := ps.Publish(string(cmd.Args[1]), string(cmd.Args[2]))
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conn.WriteInt(count)
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case "subscribe", "psubscribe":
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// Subscribe to a pub/sub channel. The `Psubscribe` and
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// `Subscribe` operations will detach the connection from the
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// event handler and manage all network I/O for this connection
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// in the background.
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if len(cmd.Args) < 2 {
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conn.WriteError("ERR wrong number of arguments for '" + string(cmd.Args[0]) + "' command")
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return
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}
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command := strings.ToLower(string(cmd.Args[0]))
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for i := 1; i < len(cmd.Args); i++ {
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if command == "psubscribe" {
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ps.Psubscribe(conn, string(cmd.Args[i]))
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} else {
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ps.Subscribe(conn, string(cmd.Args[i]))
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}
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}
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case "detach":
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hconn := conn.Detach()
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log.Printf("connection has been detached")
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go func() {
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defer hconn.Close()
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hconn.WriteString("OK")
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hconn.Flush()
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}()
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case "ping":
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conn.WriteString("PONG")
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case "quit":
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@ -145,6 +111,25 @@ func main() {
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} else {
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conn.WriteInt(1)
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}
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case "publish":
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if len(cmd.Args) != 3 {
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conn.WriteError("ERR wrong number of arguments for '" + string(cmd.Args[0]) + "' command")
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return
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}
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conn.WriteInt(ps.Publish(string(cmd.Args[1]), string(cmd.Args[2])))
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case "subscribe", "psubscribe":
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if len(cmd.Args) < 2 {
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conn.WriteError("ERR wrong number of arguments for '" + string(cmd.Args[0]) + "' command")
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return
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}
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command := strings.ToLower(string(cmd.Args[0]))
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for i := 1; i < len(cmd.Args); i++ {
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if command == "psubscribe" {
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ps.Psubscribe(conn, string(cmd.Args[i]))
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} else {
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ps.Subscribe(conn, string(cmd.Args[i]))
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}
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}
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}
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},
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func(conn redcon.Conn) bool {
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