redesign connection module

lualib/socket.lua

@@ -0,0 +1,46 @@
+local skynet = require "skynet"
+local c = require "socket.c"
+
+local socket = {}
+local fd
+local object
+
+function socket.connect(addr)
+	local ip, port = string.match(addr,"([^:]+):(.+)")
+	port = tonumber(port)
+	fd = c.open(ip,port)
+	skynet.send(".connection","ADD "..fd.." "..skynet.self())
+	object = c.new()
+end
+
+function socket.push(msg,sz)
+	if msg == nil then
+		socket.close()
+	else
+		c.push(object, msg, sz)
+	end
+end
+
+function socket.read(bytes)
+	return c.read(object, bytes)
+end
+
+function socket.readline(sep)
+	return c.readline(object, sep)
+end
+
+function socket.write(...)
+	c.write(fd, ...)
+end
+
+function socket.yield()
+	c.yield(object)
+end
+
+function socket.close()
+	skynet.send(".connection","DEL "..fd)
+	fd = nil
+end
+
+return socket
+