nixio next

splice() still does not work correctly

1 files changed, 70 insertions, 0 deletions

diff --git a/libs/nixio/lua/nixio/util.lua b/libs/nixio/lua/nixio/util.lua
new file mode 100644
index 000000000..962ef9d80
--- /dev/null
+++ b/libs/nixio/lua/nixio/util.lua
@@ -0,0 +1,70 @@
+--[[
+nixio - Linux I/O library for lua
+
+Copyright 2008 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+]]--
+
+local nixio = require "nixio"
+local setmetatable, assert = setmetatable, assert
+
+module "nixio.util"
+
+local BUFFERSIZE = 8096
+local socket = nixio.socket_meta
+
+function socket.sendall(self, data)
+	local sent, code, msg = self:send(data)
+
+	if not sent then
+		return sent, code, msg, data
+	end
+
+	while sent < #data do 
+		data = data:sub(sent + 1)
+		sent, code, msg = self:send(data)
+		
+		if not sent then
+			return sent, code, msg, data
+		end
+	end
+	
+	return true
+end
+
+function socket.linesource(self, limit)
+	limit = limit or BUFFERSIZE
+	local buffer = ""
+	return function(flush)
+		local line, endp, _
+		
+		if flush then
+			line = buffer
+			buffer = ""
+			return line
+		end
+
+		while not line do
+			_, endp, line = buffer:find("^(.-)\r?\n")
+			if line then
+				buffer = buffer:sub(endp+1)
+				return line
+			elseif #buffer < limit then
+				local newblock, code = self:recv(limit - #buffer)
+				if not newblock then
+					return nil, code
+				end
+				buffer = buffer .. newblock
+			else
+				return nil, 0
+			end
+		end
+	end
+end
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