THRIFT-1681: Add Lua Support Patch: Dave Watson
Github Pull Request: This closes #92
diff --git a/lib/lua/TSocket.lua b/lib/lua/TSocket.lua
new file mode 100644
index 0000000..d71fc1f
--- /dev/null
+++ b/lib/lua/TSocket.lua
@@ -0,0 +1,132 @@
+---- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements. See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership. The ASF licenses this file
+-- to you 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
+--
+-- Unless required by applicable law or agreed to in writing,
+-- software distributed under the License is distributed on an
+-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+-- KIND, either express or implied. See the License for the
+-- specific language governing permissions and limitations
+-- under the License.
+--
+
+require 'TTransport'
+require 'libluasocket'
+
+-- TSocketBase
+TSocketBase = TTransportBase:new{
+ __type = 'TSocketBase',
+ timeout = 1000,
+ host = 'localhost',
+ port = 9090,
+ handle
+}
+
+function TSocketBase:close()
+ if self.handle then
+ self.handle:destroy()
+ self.handle = nil
+ end
+end
+
+-- Returns a table with the fields host and port
+function TSocketBase:getSocketInfo()
+ if self.handle then
+ return self.handle:getsockinfo()
+ end
+ terror(TTransportException:new{errorCode = TTransportException.NOT_OPEN})
+end
+
+function TSocketBase:setTimeout(timeout)
+ if timeout and ttype(timeout) == 'number' then
+ if self.handle then
+ self.handle:settimeout(timeout)
+ end
+ self.timeout = timeout
+ end
+end
+
+-- TSocket
+TSocket = TSocketBase:new{
+ __type = 'TSocket',
+ host = 'localhost',
+ port = 9090
+}
+
+function TSocket:isOpen()
+ if self.handle then
+ return true
+ end
+ return false
+end
+
+function TSocket:open()
+ if self.handle then
+ self:close()
+ end
+
+ -- Create local handle
+ local sock, err = luasocket.create_and_connect(
+ self.host, self.port, self.timeout)
+ if err == nil then
+ self.handle = sock
+ end
+
+ if err then
+ terror(TTransportException:new{
+ message = 'Could not connect to ' .. self.host .. ':' .. self.port
+ .. ' (' .. err .. ')'
+ })
+ end
+end
+
+function TSocket:read(len)
+ local buf = self.handle:receive(self.handle, len)
+ if not buf or string.len(buf) ~= len then
+ terror(TTransportException:new{errorCode = TTransportException.UNKNOWN})
+ end
+ return buf
+end
+
+function TSocket:write(buf)
+ self.handle:send(self.handle, buf)
+end
+
+function TSocket:flush()
+end
+
+-- TServerSocket
+TServerSocket = TSocketBase:new{
+ __type = 'TServerSocket',
+ host = 'localhost',
+ port = 9090
+}
+
+function TServerSocket:listen()
+ if self.handle then
+ self:close()
+ end
+
+ local sock, err = luasocket.create(self.host, self.port)
+ if not err then
+ self.handle = sock
+ else
+ terror(err)
+ end
+ self.handle:settimeout(self.timeout)
+ self.handle:listen()
+end
+
+function TServerSocket:accept()
+ local client, err = self.handle:accept()
+ if err then
+ terror(err)
+ end
+ return TSocket:new({handle = client})
+end