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DOC: lua: update doc according with the last Lua changes

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The impact of the register_action() was not repported.
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Thierry FOURNIER 2015-10-01 15:00:42 +02:00 committed by Willy Tarreau
parent 7dd784b525
commit a2d02253cf
1 changed files with 8 additions and 10 deletions
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18
doc/lua-api/index.rst
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@ -43,11 +43,9 @@ functions. Lua have 6 execution context.
like this: `function fcn()`. like this: `function fcn()`.
4. The **action context**. It is an Lua function conditionally executed. These 4. The **action context**. It is an Lua function conditionally executed. These
actions are declared by the HAProxy directives "`tcp-request content lua actions are registered by the Lua directives "`core.register_action()`". The
<function>`", "`tcp-response content lua <function>`", "`http-request lua prototype of the Lua called function is a function with doesn't returns
<function>`" and "`http-response lua <function>`". The prototype of the anything and that take an object of class TXN as entry. `function fcn(txn)`.
Lua called function is a function with doesn't returns anything and that take
an object of class TXN as entry. `function fcn(txn)`
5. The **sample-fetch context**. This function takes a TXN object as entry 5. The **sample-fetch context**. This function takes a TXN object as entry
argument and returns a string. These types of function cannot execute any argument and returns a string. These types of function cannot execute any
@ -80,16 +78,16 @@ HAProxy configuration file (`hello_world.conf`):
listen proxy listen proxy
bind 127.0.0.1:10001 bind 127.0.0.1:10001
tcp-request content lua hello_world tcp-request inspect-delay 1s
tcp-request content use-service lua.hello_world
HAProxy Lua file (`hello_world.lua`): HAProxy Lua file (`hello_world.lua`):
.. code-block:: lua .. code-block:: lua
function hello_world(txn) core.register_service("hello_world", "tcp", function(applet)
txn.res:send("hello world\n") applet:send("hello world\n")
txn:done() end)
end
How to start HAProxy for testing this configuration: How to start HAProxy for testing this configuration: