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update libnetwork

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This commit is contained in:
Kirigaya Kazuto 2017-10-12 12:04:50 +08:00
parent f056dc2e81
commit ce6748c08f
1 changed files with 36 additions and 16 deletions
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52
libnetwork.lua
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@ -74,14 +74,14 @@ function _isPortValid(port)
return port>0 and port<65536
end
function _doConnect(sfd,remote_uuid,port) -- Connect to a remote device via uuid and port
function _doConnect(sfd,remote_uuid,port) -- Connect to port 10 of a remote device with virtual port
-- Send SYN package (1,1,1)
local syn=string.pack("iii",1,1,1)
if(not netcard.send(remote_uuid,port,syn)) then
if(not netcard.send(remote_uuid,10,syn,port)) then
return -1,"Network error"
end
-- Wait 1.5 seconds for SYN+ACK (1,1,3)
local e,remote_hwport=event.pull(1.5,"net_synack")
local e,remote_hwport,remote_cookie=event.pull(1.5,"net_synack")
if(e==nil) then
return -2,"Connection timed out"
end
@ -135,9 +135,9 @@ function connect(sfd,remote_tag,port) -- Connect to a remote device
if(remote_uuid == nil) then
return -3,"Tag can not be resolved into uuid"
else
local eret,emsg,remote_hwport=_doConnect(sfd,remote_uuid,port)
local eret,emsg,remote_hwport,remote_cookie=_doConnect(sfd,remote_uuid,port)
if(eret==0) then
_setSocketStatus(sfd,"Connected",remote_hwport)
_setSocketStatus(sfd,"Connected",remote_hwport,remote_cookie)
return 0,"Success"
else
return eret,emsg
@ -178,14 +178,6 @@ function do_dhcp_client() -- Connect to DHCP Server and try to get a tag.
end
function do_arp_broadcast() -- ARP: Broadcast tag and uuid information of this device
end
function arp_listener() -- ARP: Listen to arp broadcast and record informations. Notice that this listener also replies to specific arp-request
end
function do_arp_query(tag) -- ARP: Query uuid with tag, might send arp-request
local ret,uuid=_isInArpCache(tag)
if(ret) then return uuid
@ -202,13 +194,41 @@ function do_arp_query(tag) -- ARP: Query uuid with tag, might send arp-request
end
function run_arp() -- Start ARP Services in background
end
event.listen("modem_message",
function(_event,_receiver,sender,_port,_distance,...)
if(_port==9) then
if(arg[1]==string.pack("iii",1,0,0) and arg[2]~=nil) then -- Received an ARP Broadcast
if(arpker[arg[2]]==nil) then
arpker[arg[2]]=sender
event.push("net_newarp",arg[2],sender)
elseif(arpker[arg[2]]~=sender) then
arpker[arg[2]]=sender
event.push("net_arpchanged",arg[2],sender)
end -- arpker check
elseif(arg[1]==string.pack("iii",1,0,1) and arg[2]~=nil) then -- Received an ARP Quest Broadcast
//todo
end -- arg1 and arg2 check
end -- port check
end) -- callback
end
function run_dhcp_client() -- Start DHCP Client in background
end
function run_tcp() -- Start TCP Services in background
event.listen("modem_message",
function(_event,_receiver,sender,_port,_distance...)
if(_port==10) then
if(arg[1]==string.pack("iii",1,1,1)) then --SYN
event.push("net_newsyn",sender,arg[2])
end
elseif(_port==11) then
if(arg[1]==string.pack("iii",1,1,3)) then --SYN/ACK
event.push("net_newsynack",sender)
end
end
end)
netcard.open(10)
netcard.open(11)
end