oc firmware 1.0
This commit is contained in:
@@ -1,344 +1,121 @@
|
||||
--:Minify:--
|
||||
local args={...}
|
||||
local bootdrive=args[1]
|
||||
local gpu=components:getFirst("gpu")
|
||||
local screenTextBuffer=nil
|
||||
local cursorX,cursorY=0,0
|
||||
local screenSizeX,screenSizeY=128,25
|
||||
|
||||
|
||||
if gpu then
|
||||
screenTextBuffer=gpu:newBuffer(screenSizeX,screenSizeY)
|
||||
for t,v in components:list() do
|
||||
if t == "screen" then
|
||||
gpu:assignBuffer(screenTextBuffer, v)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function write(text)
|
||||
cursorX, cursorY = screenTextBuffer:pasteText(cursorX, cursorY, "SCROLL_SPILL_CLEAR", text)
|
||||
cursorY = cursorY + 1
|
||||
cursorX = 0
|
||||
if cursorY >= screenSizeY then
|
||||
cursorY = screenSizeY-1
|
||||
screenTextBuffer:newline()
|
||||
end
|
||||
end
|
||||
|
||||
local function displaySuperBadError(err)
|
||||
gpu:freeAllBuffers()
|
||||
screenTextBuffer=gpu:newBuffer(screenSizeX,screenSizeY)
|
||||
for t,v in components:list() do
|
||||
if t == "screen" then
|
||||
gpu:assignBuffer(screenTextBuffer, v)
|
||||
end
|
||||
end
|
||||
term.setBackgroundColor(0x1)
|
||||
term.setTextColor(0x4)
|
||||
term.clear()
|
||||
term.setCursorPos(1, 1)
|
||||
term.write("A critical error occurred while loading the system:")
|
||||
term.setCursorPos(1, 3)
|
||||
write(err)
|
||||
while true do end
|
||||
end
|
||||
|
||||
local ok, err = xpcall(function()
|
||||
local apis = {}
|
||||
|
||||
local lua = {
|
||||
coroutine = true,
|
||||
debug = true,
|
||||
_VERSION = true,
|
||||
assert = true,
|
||||
collectgarbage = true,
|
||||
error = true,
|
||||
gcinfo = true,
|
||||
getmetatable = true,
|
||||
ipairs = true,
|
||||
__inext = true,
|
||||
load = true,
|
||||
math = true,
|
||||
next = true,
|
||||
pairs = true,
|
||||
pcall = true,
|
||||
rawequal = true,
|
||||
rawget = true,
|
||||
rawlen = true,
|
||||
rawset = true,
|
||||
select = true,
|
||||
setmetatable = true,
|
||||
string = true,
|
||||
table = true,
|
||||
tonumber = true,
|
||||
tostring = true,
|
||||
type = true,
|
||||
xpcall = true,
|
||||
_G = true
|
||||
}
|
||||
|
||||
local debug = debug
|
||||
for i, v in pairs(_G) do
|
||||
if not lua[i] or lua[i] == nil then
|
||||
apis[i] = v
|
||||
_G[i] = nil
|
||||
end
|
||||
end
|
||||
|
||||
local function string_file(file)
|
||||
local str = file:read()
|
||||
local buf = {str or ""}
|
||||
local pos = 1
|
||||
local closed = false
|
||||
|
||||
local function content()
|
||||
return table.concat(buf)
|
||||
end
|
||||
|
||||
local function set_content(s)
|
||||
buf = {s}
|
||||
end
|
||||
|
||||
local function flush()
|
||||
file.write(content())
|
||||
end
|
||||
|
||||
local file = {}
|
||||
|
||||
function file.read(n)
|
||||
assert(not closed, "file is closed")
|
||||
|
||||
local s = content()
|
||||
local len = #s
|
||||
|
||||
if not n then
|
||||
local out = s:sub(pos)
|
||||
pos = len + 1
|
||||
return out
|
||||
end
|
||||
|
||||
local out = s:sub(pos, pos + n - 1)
|
||||
pos = pos + #out
|
||||
return out
|
||||
end
|
||||
|
||||
function file.write(data)
|
||||
assert(not closed, "file is closed")
|
||||
|
||||
local s = content()
|
||||
local before = s:sub(1, pos - 1)
|
||||
local after = s:sub(pos + #data)
|
||||
|
||||
set_content(before .. data .. after)
|
||||
pos = pos + #data
|
||||
|
||||
return true
|
||||
end
|
||||
|
||||
function file.seek(whence, offset)
|
||||
assert(not closed, "file is closed")
|
||||
|
||||
local s = content()
|
||||
local len = #s
|
||||
|
||||
whence = whence or "cur"
|
||||
offset = offset or 0
|
||||
|
||||
if whence == "set" then
|
||||
pos = offset + 1
|
||||
elseif whence == "cur" then
|
||||
pos = pos + offset
|
||||
elseif whence == "end" then
|
||||
pos = len + offset + 1
|
||||
else
|
||||
error("invalid whence")
|
||||
end
|
||||
|
||||
if pos < 1 then pos = 1 end
|
||||
if pos > len + 1 then pos = len + 1 end
|
||||
|
||||
return pos - 1
|
||||
end
|
||||
|
||||
function file:close()
|
||||
assert(not closed, "file is closed")
|
||||
flush()
|
||||
closed = true
|
||||
end
|
||||
|
||||
function file:flush()
|
||||
assert(not closed, "file is closed")
|
||||
flush()
|
||||
end
|
||||
|
||||
return file
|
||||
end
|
||||
|
||||
local function getFile(path)
|
||||
local file = bootdrive:open(path, "r")
|
||||
if not file then
|
||||
displaySuperBadError("Could not open file: " .. path)
|
||||
end
|
||||
local content = file:read()
|
||||
return content
|
||||
end
|
||||
|
||||
local Kernel = load(getFile("/boot/kernel.lua"),"@Kernel")
|
||||
local initFs = load(getFile("/boot/ac/initdisks"),"@Init_disks")(apis)
|
||||
local fs = load(getFile("/boot/initfs"), "@InitFs")()
|
||||
|
||||
if not Kernel then displaySuperBadError("Could not load kernel.") end
|
||||
if not initFs then displaySuperBadError("Could not load initdisks.") end
|
||||
if not fs then displaySuperBadError("Could not load initfs.") end
|
||||
|
||||
local computercomp=apis.components:getFirst("computer")
|
||||
local uefi=apis.components:getFirst("uefi")
|
||||
local computer = {
|
||||
time = function() return apis.os.epoch("utc") end,
|
||||
clock = function() return apis.os.clock() * 1000 end,
|
||||
shutdown = apis.os.shutdown,
|
||||
reboot = apis.os.reboot,
|
||||
getMachineEvent = function()
|
||||
return computercomp:getMachineEvent()
|
||||
end,
|
||||
getEEPROM = function() return uefi.data end,
|
||||
setEEPROM = function(_, text)
|
||||
uefi.data=text
|
||||
end
|
||||
}
|
||||
|
||||
local icolors = {
|
||||
[0x1] = 1, -- #000000
|
||||
[0x2] = 2, -- #FFFFFF
|
||||
[0x4] = 3, -- #FF0000
|
||||
[0x8] = 4, -- #00FF00
|
||||
[0x10] = 5, -- #0000FF
|
||||
[0x20] = 6, -- #00FFFF
|
||||
[0x40] = 7, -- #FF00FF
|
||||
[0x80] = 8, -- #FFFF00
|
||||
[0x100] = 9, -- #FF6D00
|
||||
[0x200] = 10, -- #6DFF55
|
||||
[0x400] = 11, -- #24FFFF
|
||||
[0x800] = 12, -- #924900
|
||||
[0x1000] = 13, -- #6D6D55
|
||||
[0x2000] = 14, -- #DBDBAA
|
||||
[0x4000] = 15, -- #6D00FF
|
||||
[0x8000] = 16 -- #B6FF00
|
||||
}
|
||||
|
||||
local colors = {
|
||||
0x0001, -- #000000
|
||||
0x0002, -- #FFFFFF
|
||||
0x0004, -- #FF0000
|
||||
0x0008, -- #00FF00
|
||||
0x0010, -- #0000FF
|
||||
0x0020, -- #00FFFF
|
||||
0x0040, -- #FF00FF
|
||||
0x0080, -- #FFFF00
|
||||
0x0100, -- #FF6D00
|
||||
0x0200, -- #6DFF55
|
||||
0x0400, -- #24FFFF
|
||||
0x0800, -- #924900
|
||||
0x1000, -- #6D6D55
|
||||
0x2000, -- #DBDBAA
|
||||
0x4000, -- #6D00FF
|
||||
0x8000 -- #B6FF00
|
||||
}
|
||||
|
||||
apis.term.setBackgroundColor(0x8000)
|
||||
apis.term.setTextColor(0x1000)
|
||||
apis.term.clear()
|
||||
apis.term.setCursorPos(1, 1)
|
||||
|
||||
local kernelCoro = coroutine.create(function()
|
||||
---@diagnostic disable-next-line: param-type-mismatch
|
||||
local ok, err = xpcall(Kernel, debug.traceback, apis, initFs, "cct", "/sbin/init",
|
||||
{
|
||||
print = function(_, text) write(text .. "\n") end,
|
||||
printInline = function(_, text) write(text) end,
|
||||
clear = function()
|
||||
apis.term.clear()
|
||||
apis.term.setCursorPos(1, 1)
|
||||
end,
|
||||
setCursorPos = function(_, x, y)
|
||||
apis.term.setCursorPos(x, y)
|
||||
end,
|
||||
getCursorPos = function() return apis.term.getCursorPos() end,
|
||||
getSize = function() return apis.term.getSize() end,
|
||||
setBackgroundColor = function(_, color)
|
||||
apis.term.setBackgroundColor(colors[color])
|
||||
end,
|
||||
setTextColor = function(_, color)
|
||||
apis.term.setTextColor(colors[color])
|
||||
end,
|
||||
getBackgroundColor = function()
|
||||
return icolors[apis.term.getBackgroundColor()]
|
||||
end,
|
||||
getTextColor = function()
|
||||
return icolors[apis.term.getTextColor()]
|
||||
end
|
||||
}, computer, fs, "$")
|
||||
if not ok then displaySuperBadError(err) end
|
||||
end)
|
||||
|
||||
function coroutine.resumeWithTimeout(co, timeout, ...)
|
||||
local startTime = computer.time()
|
||||
debug.sethook(co, function()
|
||||
if computer.time() > startTime + timeout then
|
||||
return coroutine.yield("timeout")
|
||||
end
|
||||
end, "", 1000)
|
||||
local ret = {coroutine.resume(co, ...)}
|
||||
if ret[1] and ret[2] == "timeout" then
|
||||
return "timeout"
|
||||
elseif ret[1] == false then
|
||||
return "error", ret[2]
|
||||
else
|
||||
debug.sethook(co)
|
||||
return "success", table.unpack(ret, 2)
|
||||
end
|
||||
end
|
||||
|
||||
write("Loaded in " .. tostring(apis.os.clock()) .. " seconds.\n")
|
||||
|
||||
while true do
|
||||
local status, err = coroutine.resumeWithTimeout(kernelCoro, 50)
|
||||
apis.os.queueEvent("NoSleep")
|
||||
local exit = false
|
||||
while not exit do
|
||||
local event = {coroutine.yield()}
|
||||
if event[1] == "key" then
|
||||
queueEvent("keyPressed", 1, event[2])
|
||||
if acekeys[event[2]] then
|
||||
queueEvent("keyTyped", 1, acekeys[event[2]])
|
||||
end
|
||||
elseif event[1] == "char" then
|
||||
queueEvent("keyTyped", 1, event[2])
|
||||
elseif event[1] == "key_up" then
|
||||
queueEvent("keyReleased", 1, event[2])
|
||||
elseif event[1] == "disk" then
|
||||
queueEvent("componentAdded", "disk")
|
||||
elseif event[1] == "disk_eject" then
|
||||
queueEvent("componentRemoved", "disk")
|
||||
elseif event[1] == "modem_message" then
|
||||
queueEvent("modem_message", table.unpack(event, 2))
|
||||
elseif event[1] == "rednet_message" then
|
||||
queueEvent("rednet_message", table.unpack(event, 2))
|
||||
elseif event[1] == "http_success" then
|
||||
queueEvent("http_success", table.unpack(event, 2))
|
||||
elseif event[1] == "http_failure" then
|
||||
queueEvent("http_failure", table.unpack(event, 2))
|
||||
elseif event[1] == "NoSleep" then
|
||||
exit = true
|
||||
end
|
||||
end
|
||||
if status == "error" or coroutine.status(kernelCoro) == "dead" then
|
||||
displaySuperBadError("Kernel error: " .. tostring(err))
|
||||
coroutine.yield("key")
|
||||
end
|
||||
end
|
||||
end, debug.traceback)
|
||||
|
||||
if not ok then displaySuperBadError("Fatal error during boot: " .. err) end
|
||||
while true do coroutine.yield() end
|
||||
local cp,c=component,computer;local b_addr=c.getBootAddress();local b_fs=cp.proxy(b_addr)
|
||||
local gpu=cp.list("gpu")() and cp.proxy(cp.list("gpu")())
|
||||
local e_rom=cp.list("eeprom")() and cp.proxy(cp.list("eeprom")())
|
||||
local screens={}
|
||||
for addr in cp.list("screen") do
|
||||
if gpu then
|
||||
gpu.bind(addr)
|
||||
local w,h=gpu.maxResolution()
|
||||
gpu.setResolution(w,h)
|
||||
gpu.fill(1,1,w,h," ")
|
||||
cp.proxy(addr).turnOn()
|
||||
screens[#screens+1] = {cx=1,cy=1,w=w,h=h,addr=addr}
|
||||
end
|
||||
end
|
||||
local function scroll(scr) gpu.copy(1,2,scr.w,scr.h-1,0,-1);gpu.fill(1,scr.h,scr.w,1," ") end
|
||||
local function write(t)
|
||||
if not gpu then return end
|
||||
for s=1, #screens do
|
||||
local scr=screens[s]
|
||||
gpu.bind(scr.addr)
|
||||
for i=1,#t do
|
||||
local char=t:sub(i,i)
|
||||
if char=="\n" then scr.cx=1;scr.cy=scr.cy+1
|
||||
elseif char=="\t" then scr.cx=scr.cx+(4-((scr.cx-1)%4))
|
||||
elseif char=="\b" then if scr.cx>1 then scr.cx=scr.cx-1;gpu.set(scr.cx,scr.cy," ") end
|
||||
else gpu.set(scr.cx,scr.cy,char);scr.cx=scr.cx+1 end
|
||||
if scr.cx>scr.w then scr.cx=1;scr.cy=scr.cy+1 end
|
||||
if scr.cy>scr.h then scroll(scr);scr.cy=scr.cy-1 end
|
||||
end
|
||||
end
|
||||
end
|
||||
local function throw(err)
|
||||
if gpu then
|
||||
gpu.setBackground(0x0000AA);
|
||||
gpu.setForeground(0xFFFFFF);
|
||||
for i=1, #screens do
|
||||
gpu.fill(1,1,screens[i].w,screens[i].h," ");
|
||||
screens[i].cx,screens[i].cy=1,1;
|
||||
end
|
||||
write("CRITICAL KERNEL ERROR:\n"..tostring(err))
|
||||
end
|
||||
while true do c.pullSignal() end
|
||||
end
|
||||
local ok,err=xpcall(function()
|
||||
local apis={}
|
||||
local _l={coroutine=1,debug=1,_VERSION=1,assert=1,collectgarbage=1,error=1,getmetatable=1,ipairs=1,load=1,math=1,next=1,pairs=1,pcall=1,rawequal=1,rawget=1,rawlen=1,rawset=1,select=1,setmetatable=1,string=1,table=1,tonumber=1,tostring=1,type=1,xpcall=1,_G=1}
|
||||
for k,v in pairs(_G) do if not _l[k] then apis[k]=v;_G[k]=nil end end
|
||||
function sleep(t) local s=c.uptime()+t;while c.uptime()<s do c.pullSignal(s-c.uptime()) end end
|
||||
local function getFile(path)
|
||||
local h,err=b_fs.open(path,"r")
|
||||
if not h then throw("Cannot open: "..path) end
|
||||
local buf,chk="",""
|
||||
repeat chk=b_fs.read(h,math.huge);buf=buf..(chk or "") until not chk
|
||||
b_fs.close(h)
|
||||
return buf
|
||||
end
|
||||
local Kernel=load(getFile("/kernel.lua"),"@Kernel")
|
||||
local initFs=load(getFile("/oc/initdisks"),"@Init_disks")
|
||||
local fs=load(getFile("/initfs"),"@InitFs")
|
||||
if not Kernel then throw("Kernel load failed.") end
|
||||
if initFs then initFs=initFs(apis, b_fs, b_addr) end
|
||||
if fs then fs=fs() end
|
||||
local eQ={}
|
||||
local function qEv(e,...) table.insert(eQ,{e,...}) end
|
||||
local efi={
|
||||
getEpochMs=function() return math.floor(c.uptime()*1000) end,
|
||||
getUptime=function() return c.uptime()*1000 end,
|
||||
date=function() return tostring(apis.os.date()) end,
|
||||
getMachineEvent=function()
|
||||
if #eQ > 0 then
|
||||
return table.unpack(table.remove(eQ, 1))
|
||||
else
|
||||
return nil
|
||||
end
|
||||
end,
|
||||
getEEPROM=function() return e_rom and e_rom.get() or "" end,
|
||||
setEEPROM=function(_,t) if e_rom then e_rom.set(t) end end,
|
||||
getNvram=function() return e_rom and e_rom.getData() or "" end,
|
||||
setNvram=function(_,t) if e_rom then e_rom.setData(t) end end,
|
||||
beep=function(freq, timeMs) c.beep(freq, timeMs / 1000) end,
|
||||
initfs=fs,
|
||||
disks=initFs,
|
||||
architecture="oc",
|
||||
firmware=apis,
|
||||
reboot=false,
|
||||
yield=function() coroutine.yield() end,
|
||||
screenCtl={
|
||||
print=function(_,t) write(tostring(t).."\n") end,
|
||||
printInline=function(_,t) write(tostring(t)) end,
|
||||
clear=function() if gpu then for i=1, #screens do local scr=screens[i];gpu.bind(scr.addr);gpu.fill(1,1,scr.w,scr.h," ");scr.cx,scr.cy=1,1 end end end,
|
||||
resetCursor=function() for i=1, #screens do local scr=screens[i];scr.cx,scr.cy=1,1 end end,
|
||||
setBackgroundColor=function(_,cl) if gpu then gpu.setBackground(cl) end end,
|
||||
setTextColor=function(_,cl) if gpu then gpu.setForeground(cl) end end,
|
||||
enable=function() end,
|
||||
disable=function() end
|
||||
}
|
||||
}
|
||||
local kCo=coroutine.create(function()
|
||||
local s,e=xpcall(Kernel,debug.traceback,efi)
|
||||
if not s and not efi.reboot then throw(e) end
|
||||
if efi.reboot then c.shutdown(true) else c.shutdown() end
|
||||
end)
|
||||
efi.screenCtl:print("Loaded in "..tostring(c.uptime()).."s")
|
||||
while true do
|
||||
local st,e=coroutine.resume(kCo)
|
||||
c.pushSignal("NoSleep")
|
||||
local ex=false
|
||||
while not ex do
|
||||
local ev={c.pullSignal(0)}
|
||||
if ev[1]=="key_down" then qEv("keyPressed",1,ev[3]);qEv("keyTyped",1,string.char(ev[3]))
|
||||
elseif ev[1]=="key_up" then qEv("keyReleased",1,ev[3])
|
||||
end
|
||||
if ev[1]=="NoSleep" then ex=true else qEv(table.unpack(ev)) end
|
||||
end
|
||||
if st=="error" or coroutine.status(kCo)=="dead" then
|
||||
if efi.reboot then c.shutdown(true) end
|
||||
throw("Kernel fault: "..tostring(e))
|
||||
end
|
||||
end
|
||||
end,debug.traceback)
|
||||
if not ok then throw("Boot fault: "..err) end
|
||||
@@ -0,0 +1,68 @@
|
||||
local init
|
||||
do
|
||||
local component_invoke = component.invoke
|
||||
local function boot_invoke(address, method, ...)
|
||||
local result = table.pack(pcall(component_invoke, address, method, ...))
|
||||
if not result[1] then
|
||||
return nil, result[2]
|
||||
else
|
||||
return table.unpack(result, 2, result.n)
|
||||
end
|
||||
end
|
||||
|
||||
-- backwards compatibility, may remove later
|
||||
local eeprom = component.list("eeprom")()
|
||||
computer.getBootAddress = function()
|
||||
return boot_invoke(eeprom, "getData")
|
||||
end
|
||||
computer.setBootAddress = function(address)
|
||||
return boot_invoke(eeprom, "setData", address)
|
||||
end
|
||||
|
||||
do
|
||||
local screen = component.list("screen")()
|
||||
local gpu = component.list("gpu")()
|
||||
if gpu and screen then
|
||||
boot_invoke(gpu, "bind", screen)
|
||||
end
|
||||
end
|
||||
local function tryLoadFrom(address)
|
||||
local handle, reason = boot_invoke(address, "open", "/oc/boot.lua")
|
||||
if not handle then
|
||||
return nil, reason
|
||||
end
|
||||
local buffer = ""
|
||||
repeat
|
||||
local data, reason = boot_invoke(address, "read", handle, math.maxinteger or math.huge)
|
||||
if not data and reason then
|
||||
return nil, reason
|
||||
end
|
||||
buffer = buffer .. (data or "")
|
||||
until not data
|
||||
boot_invoke(address, "close", handle)
|
||||
return load(buffer, "=init")
|
||||
end
|
||||
local reason
|
||||
if computer.getBootAddress() then
|
||||
init, reason = tryLoadFrom(computer.getBootAddress())
|
||||
end
|
||||
if not init then
|
||||
computer.setBootAddress()
|
||||
for address in component.list("filesystem") do
|
||||
init, reason = tryLoadFrom(address)
|
||||
if init then
|
||||
computer.setBootAddress(address)
|
||||
break
|
||||
end
|
||||
end
|
||||
end
|
||||
if not init then
|
||||
error("no bootable medium found" .. (reason and (": " .. tostring(reason)) or ""), 0)
|
||||
end
|
||||
end
|
||||
local ok, err = xpcall(init,debug.traceback)
|
||||
if not ok then
|
||||
error(err)
|
||||
else
|
||||
return err
|
||||
end
|
||||
@@ -0,0 +1,136 @@
|
||||
local args = {...}
|
||||
local apis = args[1]
|
||||
local bootdrive = args[2]
|
||||
local bootaddr = args[3]
|
||||
local disks = {}
|
||||
local internal = {}
|
||||
|
||||
local function createDisk(id, hw)
|
||||
local disk = {
|
||||
address = id,
|
||||
isReadOnly = function() return hw.isReadOnly() end
|
||||
}
|
||||
|
||||
function disk:spaceUsed() return hw.spaceUsed() end
|
||||
function disk:spaceTotal() return hw.spaceTotal() end
|
||||
|
||||
function disk:list(path)
|
||||
if not hw.exists(path) or not hw.isDirectory(path) then
|
||||
return nil, "not directory"
|
||||
end
|
||||
return hw.list(path)
|
||||
end
|
||||
|
||||
function disk:fileExists(path)
|
||||
return hw.exists(path) and not hw.isDirectory(path)
|
||||
end
|
||||
|
||||
function disk:directoryExists(path)
|
||||
return hw.exists(path) and hw.isDirectory(path)
|
||||
end
|
||||
|
||||
function disk:type(path)
|
||||
if not hw.exists(path) then
|
||||
return nil
|
||||
elseif hw.isDirectory(path) then
|
||||
return "directory"
|
||||
else
|
||||
return "file"
|
||||
end
|
||||
end
|
||||
|
||||
function disk:makeDirectory(path)
|
||||
hw.makeDirectory(path)
|
||||
end
|
||||
|
||||
function disk:remove(path)
|
||||
if hw.exists(path) then hw.remove(path) end
|
||||
end
|
||||
|
||||
function disk:setLabel(label) hw.setLabel(label) end
|
||||
function disk:getLabel() return hw.getLabel() end
|
||||
|
||||
function disk:attributes(path)
|
||||
return {
|
||||
size = hw.size(path),
|
||||
isDir = hw.isDirectory(path),
|
||||
isReadOnly = hw.isReadOnly(),
|
||||
modified = hw.lastModified(path),
|
||||
created = hw.lastModified(path)
|
||||
}
|
||||
end
|
||||
|
||||
function disk:open(path, mode)
|
||||
local fd = hw.open(path, mode)
|
||||
|
||||
if not fd then
|
||||
local dir = path:match("^(.*)/[^/]+$")
|
||||
|
||||
if dir and not hw.exists(dir) then
|
||||
local ok, err = hw.makeDirectory(dir)
|
||||
if not ok then
|
||||
return nil, err or "could not create parent directory"
|
||||
end
|
||||
end
|
||||
|
||||
fd = hw.open(path, mode)
|
||||
if not fd then
|
||||
return nil, "file not found or access denied"
|
||||
end
|
||||
end
|
||||
|
||||
return {
|
||||
read = function(num) return hw.read(fd, num) end,
|
||||
|
||||
readAll = function()
|
||||
local data = {}
|
||||
while true do
|
||||
local chunk = hw.read(fd, math.huge)
|
||||
if not chunk then break end
|
||||
data[#data + 1] = chunk
|
||||
end
|
||||
return table.concat(data)
|
||||
end,
|
||||
|
||||
write = function(data) return hw.write(fd, data) end,
|
||||
seek = function(whence, offset)
|
||||
return hw.seek(fd, whence, offset)
|
||||
end,
|
||||
|
||||
flush = function()
|
||||
hw.close(fd)
|
||||
fd = hw.open(path, mode)
|
||||
end,
|
||||
|
||||
close = function()
|
||||
hw.close(fd)
|
||||
fd = nil
|
||||
end
|
||||
}
|
||||
end
|
||||
|
||||
return disk
|
||||
end
|
||||
|
||||
internal["$"] = createDisk("$", bootdrive)
|
||||
|
||||
local function refresh()
|
||||
disks = {}
|
||||
for addr in apis.component.list("filesystem") do
|
||||
if addr ~= bootaddr then
|
||||
disks[addr] = createDisk(addr, apis.component.proxy(addr))
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function iter()
|
||||
refresh()
|
||||
local combined = {}
|
||||
|
||||
for id, obj in pairs(internal) do combined[id] = obj end
|
||||
for id, obj in pairs(disks) do combined[id] = obj end
|
||||
|
||||
return pairs(combined)
|
||||
end
|
||||
|
||||
return {refresh = refresh, list = iter}
|
||||
Reference in New Issue
Block a user