From 3f39a23f132070719d57c2ddc1b84ca0eabc8bf9 Mon Sep 17 00:00:00 2001
From: Kelvin Clement Mwinuka <kelvinmwinuka@hotmail.co.uk>
Date: Tue, 4 Jul 2023 04:59:14 +0800
Subject: [PATCH] Created plugin for PING command

---
 server/Makefile                      |  1 +
 server/plugins/commands/ping/ping.go | 48 ++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 server/plugins/commands/ping/ping.go

diff --git a/server/Makefile b/server/Makefile
index 151e202..2430143 100644
--- a/server/Makefile
+++ b/server/Makefile
@@ -1,4 +1,5 @@
 build-plugins:
+	go build -buildmode=plugin -o bin/plugins/commands/command_ping.so plugins/commands/ping/ping.go
 	go build -buildmode=plugin -o bin/plugins/commands/command_setget.so plugins/commands/setget/setget.go
 
 build-server:
diff --git a/server/plugins/commands/ping/ping.go b/server/plugins/commands/ping/ping.go
new file mode 100644
index 0000000..9173b51
--- /dev/null
+++ b/server/plugins/commands/ping/ping.go
@@ -0,0 +1,48 @@
+package main
+
+import "bufio"
+
+type Server interface {
+	GetData(key string) interface{}
+	SetData(key string, value interface{})
+}
+
+type plugin struct {
+	name        string
+	commands    []string
+	description string
+}
+
+var Plugin plugin
+
+func (p *plugin) Name() string {
+	return p.name
+}
+
+func (p *plugin) Commands() []string {
+	return p.commands
+}
+
+func (p *plugin) Description() string {
+	return p.description
+}
+
+func (p *plugin) HandleCommand(cmd []string, server interface{}, conn *bufio.Writer) {
+	switch len(cmd) {
+	default:
+		conn.Write([]byte("-Error wrong number of arguments for PING command\r\n\n"))
+		conn.Flush()
+	case 1:
+		conn.Write([]byte("+PONG\r\n\n"))
+		conn.Flush()
+	case 2:
+		conn.Write([]byte("+" + cmd[1] + "\r\n\n"))
+		conn.Flush()
+	}
+}
+
+func init() {
+	Plugin.name = "PingCommand"
+	Plugin.commands = []string{"ping"}
+	Plugin.description = "Handle PING command"
+}