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tutorial-routing.lua
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62 lines (51 loc) · 1.79 KB
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--[[ $%BEGINLICENSE%$
Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; version 2 of the
License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
$%ENDLICENSE%$ --]]
---
-- print the socket information to all IP based routing
--
-- * setup one virtual IP per backend server
-- * let the proxy to all those IPs
-- * create a lua-table that maps a "client.dst.name" to a backend
---
-- print a address
--
function address_print(prefix, address)
print(("%s: %s (type = %d, address = %s, port = %d"):format(prefix,
address.name or "nil",
address.type or -1,
address.address or "nil",
address.port or -1)) -- unix-sockets don't have a port
end
---
-- print the address of the client side
--
function connect_server()
address_print("client src", proxy.connection.client.src)
address_print("client dst", proxy.connection.client.dst)
end
---
-- print the address of the connected side and trigger a close of the connection
--
function read_handshake()
address_print("server src", proxy.connection.server.src)
address_print("server dst", proxy.connection.server.dst)
-- tell the client the server denies us
proxy.response = {
type = proxy.MYSQLD_PACKET_ERR,
errmsg = "done"
}
return proxy.PROXY_SEND_RESULT
end