Name
lua-resty-beanstalkd - non-blocking beanstalkd lib for ngx_lua.
Status
This library is considered experimental and still under active development.
The API is still in flux and may change without notice.
Description
This library requires an nginx, the ngx_lua module
Commands
All beanstalkd commands are supported, following the name convention below:
- The command name is the method name, with
-replaced by_. - The arguments of such method are the arguments of corresponding command.
For instance, call
bean:stats_tube(tube)is equal to sendstats-tube tubeto beanstalkd.
For more details, please see the below Synopsis section.
Synopsis
lua_package_path "/path/to/lua-resty-beanstalkd/lib/?.lua;;";
server {
location /test {
content_by_lua_block {
local beanstalkd = require 'resty.beanstalkd'
-- new and connect
local bean, err = beanstalkd:new()
if not bean then
ngx.say("failed to init beanstalkd:", err)
return
end
ngx.say("initialized ok")
local ok, err = bean:connect()
if not ok then
ngx.say("failed to connect beanstalkd:", err)
return
end
ngx.say("connect ok")
-- use tube
local ok, err = bean:use("smallfish")
if not ok then
ngx.say("failed to use tube:", err)
end
ngx.say("use smallfish tube ok")
-- put job
local id, err = bean:put("hello")
if not id then
ngx.say("failed to put hello to smallfish tube, error:", err)
end
ngx.say("put hello to smallfish tube, id:", id)
-- watch tube
local ok, err = bean:watch("smallfish")
if not ok then
ngx.say("failed to watch tube smallfish, error:", err)
return
end
ngx.say("watch smallfish tube ok, tube size:", ok)
-- reserve job,with optional timeout in seconds. reserve(timeout?)
local id, data = bean:reserve()
if not id then
ngx.say("reserve hello failed, error:", id, data)
else
ngx.say("reserve hello ok, id:", id, "data:", data)
end
-- release job
local ok, err = bean:release(id)
if not ok then
ngx.say("failed to release, id:", id, " error:", err)
else
ngx.say("release ok, id:", id)
end
local id, data = bean:reserve()
if not id then
ngx.say("reserve hello failed, error:", id, data)
else
ngx.say("reserve hello ok, id:", id, " data:", data)
end
-- peek job
local id, data = bean:peek(id)
if not id then
ngx.say("peek failed, id not found")
else
ngx.say("peek ok, data:", data)
end
-- bury job
local ok, err = bean:bury(id)
if not ok then
ngx.say("bury failed, id:", id, " error:", err)
else
ngx.say("bury ok, id:", id)
end
-- kick job
local count, err = bean:kick(1)
if not count then
ngx.say("kick failed, error:", err)
else
ngx.say("kick ok, count:", count)
end
local id, data = bean:reserve()
if not id then
ngx.say("reserve hello failed, error:", id, data)
else
ngx.say("reserve hello ok, id:", id, " data:", data)
end
-- delete job
local ok, err = bean:delete(id)
if ok then
ngx.say("delete ok, id:", id)
else
ngx.say("delete failed, id:", id, ok, err)
end
-- put it into the connection pool of size 100,
-- with 0 idle timeout
bean:set_keepalive(0, 100)
-- close and quit beanstalkd
-- bean:close()
}
}
}Author
Chen "smallfish" Xiaoyu (陈小玉) [email protected]
Copyright and License
This module is licensed under the BSD license.
Copyright (C) 2012, by Chen "smallfish" Xiaoyu (陈小玉) [email protected]
Portions of the code are from lua-resty-memcached Copyright (C) 2012, by Zhang "agentzh" Yichun (章亦春) [email protected].
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
-
Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
-
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.