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Server: announce MIN/MAX protocol version supported to serverlist. Client: check serverlist

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Client now informs about incompatible servers from the list, this permits to prevent the protocol movements.
Server announces its supported protocol versions to master server
This commit is contained in:
est31 2015-02-17 01:37:14 +01:00 • committed by Loic Blot
parent 9ef2e5000f
commit 82bfa2ee7b
8 changed files with 129 additions and 12 deletions
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56
builtin/mainmenu/common.lua
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@ -16,9 +16,15 @@
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
--------------------------------------------------------------------------------
-- Global menu data
---------------------------------------------------------------------------------
--------------------------------------------------------------------------------
menudata = {}
--------------------------------------------------------------------------------
-- Local cached values
--------------------------------------------------------------------------------
local min_supp_proto = core.get_min_supp_proto()
local max_supp_proto = core.get_max_supp_proto()
--------------------------------------------------------------------------------
-- Menu helper functions
--------------------------------------------------------------------------------
@ -42,6 +48,25 @@ function image_column(tooltip, flagname)
"1=" .. core.formspec_escape(defaulttexturedir .. "server_flags_" .. flagname .. ".png")
end
--------------------------------------------------------------------------------
function order_favorite_list(list)
local res = {}
--orders the favorite list after support
for i=1,#list,1 do
local fav = list[i]
if is_server_protocol_compat(fav.proto_min, fav.proto_max) then
table.insert(res, fav)
end
end
for i=1,#list,1 do
local fav = list[i]
if not is_server_protocol_compat(fav.proto_min, fav.proto_max) then
table.insert(res, fav)
end
end
return res
end
--------------------------------------------------------------------------------
function render_favorite(spec,render_details)
local text = ""
@ -68,6 +93,7 @@ function render_favorite(spec,render_details)
end
local details = ""
local grey_out = not is_server_protocol_compat(spec.proto_max, spec.proto_min)
if spec.clients ~= nil and spec.clients_max ~= nil then
local clients_color = ''
@ -87,11 +113,17 @@ function render_favorite(spec,render_details)
clients_color = '#ffba97' -- 90-100%: orange
end
if grey_out then
clients_color = '#aaaaaa'
end
details = details ..
clients_color .. ',' ..
render_client_count(spec.clients) .. ',' ..
'/,' ..
render_client_count(spec.clients_max) .. ','
elseif grey_out then
details = details .. '#aaaaaa,?,/,?,'
else
details = details .. ',?,/,?,'
end
@ -114,7 +146,7 @@ function render_favorite(spec,render_details)
details = details .. "0,"
end
return details .. text
return details .. (grey_out and '#aaaaaa,' or ',') .. text
end
--------------------------------------------------------------------------------
@ -195,7 +227,7 @@ function asyncOnlineFavourites()
nil,
function(result)
if core.setting_getbool("public_serverlist") then
menudata.favorites = result
menudata.favorites = order_favorite_list(result)
core.event_handler("Refresh")
end
end
@ -225,3 +257,21 @@ function text2textlist(xpos,ypos,width,height,tl_name,textlen,text,transparency)
return retval
end
--------------------------------------------------------------------------------
function is_server_protocol_compat(proto_min, proto_max)
return not ((min_supp_proto > (proto_max or 24)) or (max_supp_proto < (proto_min or 13)))
end
--------------------------------------------------------------------------------
function is_server_protocol_compat_or_error(proto_min, proto_max)
if not is_server_protocol_compat(proto_min, proto_max) then
gamedata.errormessage = fgettext_ne("Protocol version mismatch, server " ..
((proto_min ~= proto_max) and "supports protocols between $1 and $2" or "enforces protocol version $1") ..
", we " ..
((min_supp_proto ~= max_supp_proto) and "support protocols between version $3 and $4." or "only support protocol version $3"),
proto_min or 13, proto_max or 24, min_supp_proto, max_supp_proto)
return false
end
return true
end