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octonet/octoserve/var/channels/doscan.lua

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#!/usr/bin/lua
--
local newdecoder = require("lunajson.decoder")
local newencoder = require("lunajson.encoder")
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local function GetIPAddr()
local myip = nil
local ifconfig = io.popen("ifconfig eth0")
if ifconfig then
local eth0 = ifconfig:read("*a")
ifconfig:close()
myip = string.match(eth0,"inet addr%:(%d+%.%d+%.%d+%.%d+)")
end
return myip
end
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local function LoadTransponderList(infile)
local tl = nil
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local f = nil
if infile then
f = io.open(infile,"r")
else
f = io.open("/config/TransponderList.json","r")
if not f then
f = io.open("/var/channels/TransponderList.json","r")
end
end
if f then
local t = f:read("*a")
f:close()
local decode = newdecoder()
tl = decode(t)
end
return tl
end
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local function GetGroup(ChannelList,Title)
local Group
for _,c in ipairs(ChannelList.GroupList) do
if c.Title == Title then
Group = c
end
end
if not Group then
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Group = { Title=Title, ChannelList = { } }
table.insert(ChannelList.GroupList,Group)
end
return Group
end
local function CompareTitle(a,b)
if a.Order then
if b.Order then
if a.Order == b.Order then
return a.Title < b.Title
else
return a.Order < b.Order
end
else
return true
end
elseif b.Order then
return false
end
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return a.Title < b.Title
end
local function Report(count,Title)
local f = io.open("/tmp/doscan.lock/doscan.tmp","w+")
if f then
f:write(count..":"..Title)
f:close()
os.execute("mv /tmp/doscan.lock/doscan.tmp /tmp/doscan.lock/doscan.msg")
end
end
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local keys = {}
local include_radio = 1
local include_encrypted = 0
local infile = nil
local outfile = "/config/ChannelList.json"
local ipAddr = nil
local sort = nil
local include_sitables = nil
local restart_dms = nil
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local a
for _,a in ipairs(arg) do
local par,val = a:match("(%a+)=(.+)")
if par == "key" then
local key,src = val:match("(%w+)%.(%d+)")
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if key then
keys[key] = tonumber(src)
else
keys[val] = 1
end
elseif par == "radio" then
include_radio = tonumber(val)
elseif par == "enc" then
include_encrypted = tonumber(val)
elseif par == "sort" then
sort = val
elseif par == "sitables" then
include_sitables = val
elseif par == "restartdms" then
restart_dms = val
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elseif par == "in" then
infile = val
elseif par == "out" then
outfile = val
elseif par == "ip" then
ipAddr = val
end
end
if not ipAddr then
ipAddr = GetIPAddr()
end
local tl = LoadTransponderList(infile)
local CIMappings = {}
if tl.CIMapList then
local CIMap
local ID
for _,CIMap in ipairs(tl.CIMapList) do
for _,ID in ipairs(CIMap.CIMappings) do
CIMappings[ID] = CIMap
end
end
end
local ChannelOverwrites = {}
if tl.ChannelOverwriteList then
local ChannelOverwrite
for _,ChannelOverwrite in ipairs(tl.ChannelOverwriteList) do
ChannelOverwrites[ChannelOverwrite.ID] = ChannelOverwrite
end
end
local ChannelList = {}
ChannelList.GroupList = {}
if tl.GroupList then
local Group
local Order
for _,Group in ipairs(tl.GroupList) do
local g = GetGroup(ChannelList,Group.Title)
if Group.Order then
g.Order = Group.Order
end
end
end
local Max = 999999
local Count = 0
local ChannelCount = 0
Report(ChannelCount,"*")
if tl.SourceList then
local Source
for _,Source in ipairs(tl.SourceList) do
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if keys[Source.Key] then
Report(ChannelCount,Source.Title)
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print("Scanning: "..Source.Title)
local SourceOptions = ""
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if Source.DVBType == "S" then
SourceOptions = '--src='..keys[Source.Key].." "
end
for _,Transponder in ipairs(Source.TransponderList) do
Count = Count + 1
if Count > Max then
break
end
local Params = ""
local p,v
for p,v in Transponder.Request:gmatch("(%a+)=([%w%.]+)") do
if p == "freq" then
Params = Params .. " --freq="..v
elseif p == "pol" then
Params = Params .. " --pol="..v
elseif p == "msys" then
Params = Params .. " --msys="..v
elseif p == "sr" then
Params = Params .. " --sr="..v
elseif p == "mtype" then
Params = Params .. " --mtype="..v
end
end
local Options = SourceOptions
if Transponder.UseNIT then
Options = SourceOptions.."--use_nit "
end
print("--------------------------------------------------------------")
print('octoscan '..Options..Params..' '..ipAddr)
local octoscan = io.popen('octoscan '..Options..Params..' '..ipAddr,"r")
if octoscan then
while true do
local line = octoscan:read("*l")
if not line then
break
end
print(line)
local pname = "?"
local sname = "?"
local onid = 0
local tsid = 0
local sid = 0
local pids = ""
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local tracks= { }
local isradio = nil
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local isencrypted = false
local hasepg = nil
if line == "SERVICE" then
while true do
line = octoscan:read("*l")
if not line then
break
end
print(line)
if line == "END" then
local all_pids = "0"
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if include_sitables then
--~ if isencrypted then
--~ all_pids = all_pids..",1"
--~ end
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all_pids = all_pids..",16,17,18,20"
end
local cireq = ""
local ID = string.format("%s:%d:%d:%d",Source.Key,onid,tsid,sid)
if isencrypted then
local CIMap = CIMappings[ID]
if CIMap then
local pmt = pids:match("(%d+),?")
if pmt then
cireq = "&x_ci="..CIMap.Slot.."&x_pmt="..pmt.."."..sid
isencrypted = false
end
end
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end
if pname == "" then
pname = Source.Title
end
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local gname = pname
if isradio then
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gname = "Radio - "..gname
end
local Order = none
local ChannelOverwrite = ChannelOverwrites[ID]
if ChannelOverwrite then
Order = ChannelOverwrite.Order
if ChannelOverwrite.Group then
gname = ChannelOverwrite.Group
end
if ChannelOverwrite.Pids then
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pids = ChannelOverwrite.Pids
end
if ChannelOverwrite.Title then
sname = ChannelOverwrite.Title
end
end
if #pids > 0 then
all_pids = all_pids..","..pids
end
local channel = { Title=sname,
Request = '?'..Request..cireq.."&pids="..all_pids,
Tracks=tracks,
ID=ID, Order=Order, Radio=isradio }
if not hasepg then
channel.NoEPG = true
end
if ((not isradio) or (include_radio > 0)) and ((not isencrypted) or (include_encrypted > 0)) then
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local group = GetGroup(ChannelList,gname)
if group then
table.insert(group.ChannelList,channel)
ChannelCount = ChannelCount + 1
Report(ChannelCount,sname)
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end
end
break
end
local par,val = line:match("^ (%a+):(.*)")
if par == "RADIO" then
isradio = true
elseif par == "EIT" then
if val:sub(2,2) == "1" then
hasepg = true
end
elseif par == "PNAME" then
pname = val
elseif par == "SNAME" then
sname = val
elseif par == "ONID" then
onid = tonumber(val)
elseif par == "TSID" then
tsid = tonumber(val)
elseif par == "SID" then
sid = tonumber(val)
elseif par == "PIDS" then
pids = val
elseif par == "APIDS" then
local track
for track in val:gmatch("%d+") do
table.insert(tracks,tonumber(track))
end
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tracks[0] = #tracks
elseif par == "ENC" then
isencrypted = true
end
end
elseif line:sub(1,5) == "TUNE:" then
Request = line:sub(6)
end
end
octoscan:close()
end
end
end
end
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for _,group in ipairs(ChannelList.GroupList) do
if sort then
table.sort(group.ChannelList,CompareTitle)
end
for _,channel in ipairs(group.ChannelList) do
channel.Order = nil
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end
group.ChannelList[0] = #group.ChannelList
end
if sort then
table.sort(ChannelList.GroupList,CompareTitle)
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end
for _,group in ipairs(ChannelList.GroupList) do
group.Order = nil
end
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ChannelList.GroupList[0] = #ChannelList.GroupList
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local encode = newencoder()
cl = encode(ChannelList)
if outfile == "/config/ChannelList.json" then
os.execute("mv /config/ChannelList.json /config/ChannelList.bak")
end
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if cl then
local f = io.open(outfile,"w+")
if f then
f:write(cl)
f:close()
end
end
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end
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Report(ChannelCount,"Channels found")
os.execute("mv /tmp/doscan.lock/doscan.msg /tmp/doscan.msg")
if restart_dms then
os.execute("/etc/init.d/S92dms restart")
end
os.execute("rm -rf /tmp/doscan.lock");