[server] add client, request

1 files changed, 32 insertions, 0 deletions

diff --git a/pkg/server/sleep.go b/pkg/server/sleep.go
new file mode 100644
index 0000000..53c85ea
--- /dev/null
+++ b/pkg/server/sleep.go
@@ -0,0 +1,32 @@
+package server
+
+import (
+	"strconv"
+	"time"
+	"fmt"
+)
+
+const maxSleep = 10
+
+func init() {
+	setHandler(sleep, "sleep")
+}
+
+func sleep(r *request) {
+	if len(r.args) == 0 {
+		return
+	}
+
+	n, err := strconv.Atoi(r.args[0])
+	if err != nil || n < 0 {
+		fmt.Fprintf(r.out, "invalid time interval '%s'", r.args[0])
+		return
+	}
+
+	if n > maxSleep {
+		fmt.Fprintf(r.out, "no more than %d", maxSleep)
+		return
+	}
+
+	time.Sleep(time.Duration(n) * time.Second)
+}