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use iterator for pending messages to process messages as they come in

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This commit is contained in:
payonel 2015-09-11 21:20:37 -07:00
parent 3be687ef91
commit 62c6e78e91
1 changed files with 32 additions and 28 deletions
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60
src/component/modem.lua
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@ -228,10 +228,8 @@ function modem_host.processPendingMessages()
end
modem_host.acceptPendingClients()
modem_host.recvPendingMessages()
for _,packet in ipairs(modem_host.messages) do
for _,packet in modem_host.allPendingMessages() do
if packet.type == 'modem_message' then
-- broadcast if no target
if packet.target == 0 then
@ -243,8 +241,6 @@ function modem_host.processPendingMessages()
modem_host.host_shutdown = true
end
end
modem_host.messages = {}
end
function modem_host.acceptPendingClients()
@ -286,34 +282,42 @@ function modem_host.acceptPendingClients()
end
end
function modem_host.recvPendingMessages()
if modem_host.hosting then
for source, client in pairs(modem_host.clients) do
local packet, err = modem_host.readPacket(client)
if packet then
modem_host.pushMessage(packet)
elseif err ~= "timeout" then
client:close()
modem_host.clients[source] = nil
end
function modem_host.allPendingMessages()
local msgIt = function(...)
if #modem_host.messages > 0 then
return 0, table.remove(modem_host.messages, 1)
end
elseif modem_host.socket then
while true do
local packet, err = modem_host.readPacket(modem_host.socket)
if packet then
modem_host.pushMessage(packet)
else
if err ~= "timeout" then
if not modem_host.host_shutdown then
error("modem host was unexpectedly lost")
end
modem_host.connected = false
modem_host.connectMessageBoard()
if modem_host.hosting then
for source, client in pairs(modem_host.clients) do
local packet, err = modem_host.readPacket(client)
if packet then
return 0, packet
elseif err ~= "timeout" then
client:close()
modem_host.clients[source] = nil
end
end
elseif modem_host.socket then
while true do
local packet, err = modem_host.readPacket(modem_host.socket)
if packet then
return 0, packet
else
if err ~= "timeout" then
if not modem_host.host_shutdown then
error("modem host was unexpectedly lost")
end
modem_host.connected = false
modem_host.connectMessageBoard()
end
break
end
break
end
end
end
return msgIt, nil, 0
end
function modem_host.createNewMessageBoard()