--test file by blueant

--ngx.say('user ip = ' .. ngx.var.remote_addr .. '<br>');
--ngx.say('the length of ip2zone = ' .. tostring(ip2zone.len()) .. '<br>');
mip = ngx.var.remote_addr;
if ngx.var.http_addr ~= nil then
    mip = ngx.var.http_addr
end
--ngx.say('mip = ' .. mip .. '<br>');
bin = tool.ip2bin(mip);

zone = base.search_zone(ip2zone, bin);
--ngx.say('this ip ' .. mip .. ' is user of the ' .. tostring(zone) .. '<br>');

snode = base.search_percent_node(isp2node, zone);
--ngx.say('snode = '  .. snode .. '<br>');
--ngx.say('this ip ' .. mip .. ' is disp to ' .. tostring(snode) .. '<br>');

--ngx.say('the ip ' .. mip .. ' is disp to the ' .. snode .. '<br>');
uri = ngx.var.request_uri;
mstart, mend = string.find(uri, '?');
if mstart ~= nil then
    uri = string.sub(uri, 1, mstart - 1);
end
nstart, nend = string.find(uri, '/', 1);

rp = dbase.rfind(uri, '/');
if rp ~= nil then
    file = string.sub(uri, rp + 1);
    fp = dbase.rfind(file, '.');
    if fp ~= nil then
        key = string.sub(file, 1, fp - 1);
    else
        key = 'index';
    end
else
    key = 'index';
end
point = ring.str2point(key);
--ngx.say('c so ' .. test .. ' = ' .. tostring(point) .. '<br>');
--ngx.say('the point is ' .. point .. '<br>');

--ngx.say('singles length = ' .. singles.len() .. '<br>');

if snode == specnode then
    httphost = ngx.var.http_host;
    istart, iend = string.find(httphost, ':');
    if istart ~= nil then
        httphost = string.sub(httphost, 1, istart - 1);
    end
    --ngx.say('httphost = ' .. httphost .. '<br>');
    todomain = dom2node.get(httphost);
    if todomain == nil then
        todomain = dom2node.get('default');
        snode = todomain;
    else
        snode = todomain;
    end
end
--ngx.say('snode = ' .. snode .. '<br>');
--ngx.say('uri = ' .. ngx.var.request_uri .. '<br>');

new_http_host = tostring(ring.findhost(point, points, flags, singles, loops, rings, snode));
--ngx.say('' .. new_http_host .. '<br>');
if ngx.var.server_port ~= '80' then
    new_location = 'http://' .. new_http_host .. ':' .. ngx.var.server_port .. ngx.var.request_uri;
else
    new_location = 'http://' .. new_http_host .. ngx.var.request_uri;
end
--new_http_host = 'ngx.org';

--ngx.say('the ip ' .. mip .. ' is disp to the ' .. new_location .. '<br>');

return ngx.redirect(new_location);