feat(ebooks): Add tvl-ebooks code

Change-Id: If519e789a91fbf427373daa383c6ae00ba5e0b6c Reviewed-on: https://cl.tvl.fyi/c/depot/+/2007 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-09-28 00:22:05 +01:00 · 2020-09-28 00:22:05 +01:00 · a8508373ee
commit a8508373ee
parent cf878224ab
8 changed files with 687 additions and 0 deletions
--- a/fun/tvl-ebooks/make-v6/main.go
+++ b/fun/tvl-ebooks/make-v6/main.go
@ -0,0 +1,26 @@
+package main
+
+import (
+	"crypto/rand"
+	"log"
+	"net"
+)
+
+func main() {
+	// 2a0c:2f07:29:9999:6564:5298:8413:4652
+	ip := net.ParseIP("2a0c:2f07:29::")
+
+	rand.Read(ip[6:])
+
+	if ip[7] > 0xaa {
+		ip[4] = 0x03
+		ip[5] = 0x84
+		if ip[7] > 0xdd {
+			ip[4] = 0x08
+			ip[5] = 0x64
+		}
+	}
+
+	log.Printf("%s\n", ip)
+	//
+}