From 200b99eb0c4d0497db3781bfd9b68983916408b5 Mon Sep 17 00:00:00 2001
From: XeonSquared <redtailedairways@gmail.com>
Date: Fri, 20 Dec 2019 15:22:18 +1100
Subject: [PATCH] moved tape-iofs to tape-devfs, made it handle tape drive
 addition/removal over time

---
 service/tape-devfs.lua | 23 +++++++++++++++++++++++
 service/tape-iofs.lua  |  8 --------
 2 files changed, 23 insertions(+), 8 deletions(-)
 create mode 100644 service/tape-devfs.lua
 delete mode 100644 service/tape-iofs.lua

diff --git a/service/tape-devfs.lua b/service/tape-devfs.lua
new file mode 100644
index 0000000..3fd0421
--- /dev/null
+++ b/service/tape-devfs.lua
@@ -0,0 +1,23 @@
+local counter = 0
+local td = {}
+local function addNode(addr)
+ devfs.register("tape"..tonumber(counter),function()
+  local tape = component.proxy(addr)
+  return tape.read, tape.write, function() end, tape.seek
+ end)
+ td[addr] = counter
+ counter = counter + 1
+end
+for addr in component.list("tape_drive") do
+ addNode(addr)
+end
+while true do
+ local tE = {coroutine.yield()}
+ if tE[1] == "component_added" and tE[3] == "tape_drive" then
+  addNode[tE[2]]
+ elseif tE[1] == "component_removed" and tE[3] == "tape_drive" then
+  if td[tE[2]] then
+   fs.remove("/dev/tape"..tostring(td[tE[2]]))
+  end
+ end
+end
diff --git a/service/tape-iofs.lua b/service/tape-iofs.lua
deleted file mode 100644
index 4a0a7d1..0000000
--- a/service/tape-iofs.lua
+++ /dev/null
@@ -1,8 +0,0 @@
-local counter = 0
-for addr in component.list("tape_drive") do
- iofs.register("tape"..tonumber(counter),function()
-  local tape = component.proxy(addr)
-  return tape.read, tape.write, function() end, tape.seek
- end)
- counter = counter + 1
-end