added the net-ext library. pretty bare-bones atm but it'll be useful later. note to self: write documentation.

build.cfg

@@ -11,6 +11,7 @@ modules/drivers/net.lua
 modules/lib/readline.lua
 modules/lib/shutil.lua
 modules/lib/sha256.lua
+modules/net/net-ext.lua
 modules/applications/luash.lua
 modules/applications/genkernel.lua
 modules/applications/skex2.lua

modules/net/net-ext.lua

@@ -0,0 +1,23 @@
+net.mtu = 256
+function net.sendstring(addr,port,msg) -- for sending lots of data
+ net.send(addr,port,math.ceil(msg:len()/net.mtu))
+ for i = 1, #msg, net.mtu do
+  net.send(addr,port,msg:sub(i,(i+net.mtu)-1))
+  coroutine.yield()
+  coroutine.yield()
+ end
+end
+function net.recvstring(addr,port)
+ local fr,po,msg = ""
+ repeat
+  _,fr,po,msg = event.pull("net_msg")
+ until fr == addr and po == port
+ local ml,s = tonumber(msg), ""
+ for i = 1, ml do
+  _,fr,po,msg = event.pull("net_msg")
+  if fr == addr and po == port then
+   s=s..tostring(msg)
+  end
+ end
+ return s
+end