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module(..., package.seeall);
local bobot = require("bobot")
--local devices=devices
local process = require("bobot-server-process").process
local butia = require("butia/butia_http")
local util = require("http-util")
local parse_params = util.parse_params
local load_template = util.load_file
local find_page = util.find_page
--enable to cache in RAM
--[[
local index_template=load_template('indextemplate.txt')
local dump_template=load_template('dumptemplate.txt')
local dump_template_descr=load_template('dumptemplate_descr.txt')
local dump_template_descr_row=load_template('dumptemplate_descr_row.txt')
--]]
local function check_open_device(d, ep1, ep2)
if not d then return end
if d.handler then return true end
-- if the device is not open, then open the device
bobot.debugprint ("Opening", d.name, d.handler)
return d:open(ep1 or 1, ep2 or 1) --TODO asignacion de ep?
end
local html_list_devices = function (params)
local ret,comma = "", ""
local dsel=params['dsel']
for d_name, d in pairs(devices) do
local broken=""
if not check_open_device(d, ep1, ep2) then
broken=" (failed to open)"
bobot.debugprint ("bs: WARN! Failure opening", d_name)
end
if dsel==d_name then
ret = ret .. comma .. '<strong>' .. d_name .. broken .. '</strong>'
else
ret = ret .. comma .. '<a href="/dump.htm?dsel='..d_name..'">'..d_name..broken..'</a>'
end
comma=", "
end
return ret
end
local html_describe_device = function (params)
--borrar
dump_template_descr_row=load_template('dumptemplate_descr_row.txt')
local dsel=params['dsel']
local command=params['command']
if not dsel then return "" end
local device=devices[dsel]
if not device then return "<TR><TD>Missing Device!</TD></TR>" end
if not device.api then return "<TR><TD>Missing Driver for Device!</TD></TR>" end
local ret = ""
for fname, fdef in pairs(device.api) do
local row=dump_template_descr_row
local result,ok
--print ("::",command,fname)
if command==fname then
--preparar parametros
local fparams={}
for i,param in ipairs(fdef.parameters) do
local rname=param['rname']
local rtype=param['rtype']
if rtype=="int" or rtype=="number" or rtype=="numeric" then
fparams[i]=tonumber(params[rname])
else
fparams[i]=params[rname]
end
end
--ejecutar
ok, result= pcall( fdef.call, unpack(fparams) )
if not ok then bobot.debugprint ("Error calling", ret) end
--imprimir
bobot.debugprint ("::::",result)
end
local returns=''
local comma=''
for i,rets in ipairs(fdef.returns) do
returns = returns..comma..rets['rtype']..' '..rets['rname']
comma=','
end
local formfields=''
local parameters=''
local comma=''
for i,rets in ipairs(fdef.parameters) do
local rname=rets['rname']
formfields=formfields..rname..': <INPUT TYPE="text" NAME="'..rname..'" /><br>'
parameters = parameters..comma..rets['rtype']..' '..rname
comma=','
end
local rep = {
['COMMAND'] = fname,
['RETURNS'] = returns,
['PARAMETERS'] = parameters,
['RESULT'] = result,
['MODULENAME'] = dsel,
['FORMFIELDS'] = formfields,
}
local generated_row=string.gsub(row, '<!%-%-(%w+)%-%->', rep)
ret=ret..generated_row
end
return ret
end
local get_page={}
setmetatable(get_page, {__index = function(_,page) bobot.debugprint ("======", page);return find_page(page) end})
get_page["/index.htm"] = function (p)
local index_template=load_template('indextemplate.txt')
local params=parse_params(p)
local rep = {
['DATA1'] = params['campo'],
['DATA2'] = tostring(params['unboton'])..', '..tostring(params['otroboton']),
}
local page=string.gsub(index_template, '<!%-%-(%w+)%-%->', rep)
return "HTTP/1.1 200/OK\r\nContent-Type:text/html\r\nContent-Length: "..#page.."\r\n\r\n"..page
end
get_page["/"]=get_page["/index.htm"]
get_page["/dump.htm"] = function (p)
--remove this
dump_template=load_template('dumptemplate.txt')
dump_template_descr=load_template('dumptemplate_descr.txt')
local params=parse_params(p)
local dsel=params['dsel']
local usetemplate
if dsel then
usetemplate=dump_template_descr
else
usetemplate=dump_template
end
local rep = {
['LIST'] = html_list_devices(params),
['MODULENAME'] = dsel or "(empty dsel)",
['ROWS'] = html_describe_device(params),
}
local page=string.gsub(usetemplate, '<!%-%-(%w+)%-%->', rep)
return "HTTP/1.1 200/OK\r\nContent-Type:text/html\r\nContent-Length: "..#page.."\r\n\r\n"..page
end
get_page["/favicon.ico"] = function ()
local served, err = io.open('bobot_server/favicon.ico', "rb")
if served ~= nil then
local content = served:read("*all")
return "HTTP/1.1 200/OK\r\nContent-Type:image/x-icon\r\nContent-Length: "
..#content.."\r\n\r\n" .. content
else
bobot.debugprint("Error opening favicon:", err)
return default_page()
end
end
get_page["/bobot.png"] = function ()
local served, err = io.open('bobot_server/bobot.png', "rb")
if served ~= nil then
local content = served:read("*all")
return "HTTP/1.1 200/OK\r\nContent-Type:image/png\r\nContent-Length: "
..#content.."\r\n\r\n" .. content
else
bobot.debugprint("Error opening logo:", err)
return default_page()
end
end
butia.init(get_page)
function serve(skt)
local line,err = skt:receive('*l') --read first line, must be GET or POST
if err then return nil, err end
local f,p=string.match(line, '^GET ([%/%.%d%w%-_]+)[%?]?(.-) HTTP/1.1$')
if f then
repeat
--skip headers we don't care
line,err=skt:receive()
until line=='' or line==nil
if err then return end
local s=get_page[f](p)
return(s..'\r\n')
end
local f,p=string.match(line, '^POST ([%/%.%d%w%-_]+) HTTP/1.1$')
if f then
local length
repeat
--skip headers we don't care
line,err=skt:receive()
length=length or string.match(line, '^Content%-Length%: (%d+)$')
until line=='' or line==nil
if err then return end
local p=skt:receive(tonumber(length))
local s=get_page[f](p)
return(s..'\r\n')
end
end
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