Initial version of channel scanning (WIP)

octoserve/var/channels/doscan.lua

@@ -0,0 +1,153 @@
+#!/usr/bin/lua
+
+-- 
+local newdecoder = require("lunajson.decoder")
+local newencoder = require("lunajson.encoder")
+
+
+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
+
+function LoadTransponderList()
+   local tl = nil
+   local f = io.open("/config/TransponderList.json","r")
+   if not f then
+      f = io.open("/var/channels/TransponderList.json","r")
+   end
+   
+   if f then
+      local t = f:read("*a")
+      f:close()
+      print(#t)
+
+      local decode = newdecoder()
+      tl = decode(t)
+   end
+   return tl
+end
+
+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
+      Group = { Title=Title, ChannelList = { [0] = 0 } }   
+      table.insert(ChannelList.GroupList,Group)
+   end
+   return Group
+end
+
+local key = arg[1]
+
+local ipAddr = GetIPAddr()
+local tl = LoadTransponderList()
+
+local ChannelList = {}
+ChannelList.GroupList = {}
+
+local Max = 999999
+local Count = 0
+
+if arg[2] then
+   Max = tonumber(arg[2])
+end
+
+if tl.SourceList then 
+   for _,Source in ipairs(tl.SourceList) do
+      print(Source.Title)
+      if key == Source.Key then
+         local req = ""
+         if Source.Type == "S" then
+            req = 'src=1&'
+         end
+         for _,Transponder in ipairs(Source.TransponderList) do
+            Count = Count + 1
+            if Count > Max then
+               break
+            end
+         
+            print("--------------------------------------------------------------")
+            print(Transponder.Request)
+            local octoscan = io.popen('octoscan '..ipAddr..' "'..req..Transponder.Request..'"',"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 sid = 0
+                  local pids = ""
+                  local tracks= { [0] = 0 }
+                  local isradio = false
+                  if line == "BEGIN" then
+                     while true do
+                        line = octoscan:read("*l")
+                        if not line then
+                           break
+                        end
+                        print(line)
+                        if line == "END" then
+                           local channel = { Title=sname, Service=sid, Request = req..Transponder.Request.."&pids=0,"..pids, Tracks=tracks }
+                           local cname = pname
+                           if isradio then
+                              cname = "Radio - "..pname
+                           end
+                           local category = GetGroup(ChannelList,cname)
+                           if category then                    
+                              category.ChannelList[0] = category.ChannelList[0] + 1
+                              table.insert(category.ChannelList,channel)
+                           end
+                           break
+                        end
+                        local par,val = line:match("^ (%a+):(.*)")
+                        if par == "RADIO" then
+                           isradio = true
+                        elseif par == "PNAME" then
+                           pname = val
+                        elseif par == "SNAME" then
+                           sname = val
+                        elseif par == "SID" then
+                           sid = tonumber(value)
+                        elseif par == "PIDS" then
+                           pids = val
+                        elseif par == "APIDS" then
+                           local track
+                           for track in val:gmatch("%d+") do
+                              tracks[0] = tracks[0] + 1
+                              table.insert(tracks,tonumber(track))
+                           end
+                        end
+                     end
+                  end
+               end
+               octoscan:close()
+            end
+         end
+      end
+   end
+end
+
+local encode = newencoder()
+cl = encode(ChannelList)
+
+if cl then
+   local f = io.open("/config/ChannelList.json","w+")
+   if f then
+      f:write(cl)
+      f:close()
+   end
+end