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author | Paul Donald <newtwen@gmail.com> | 2024-02-15 18:09:10 +0100 |
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committer | Paul Donald <newtwen@gmail.com> | 2024-02-15 18:09:10 +0100 |
commit | 1635bbfad4acefa18d20fe372e45c6ef747b33e1 (patch) | |
tree | bd39ebcd8b46dbd10e9c7c09150c9ca2e4169d99 /docs/ModulesHowTo.md | |
parent | 6644f90e9c2f7efe72fcd1a31a6355013ac248fc (diff) |
docs: structuring and overhaul
Signed-off-by: Paul Donald <newtwen@gmail.com>
Diffstat (limited to 'docs/ModulesHowTo.md')
-rw-r--r-- | docs/ModulesHowTo.md | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/docs/ModulesHowTo.md b/docs/ModulesHowTo.md index ce9b8e5550..75b7e75307 100644 --- a/docs/ModulesHowTo.md +++ b/docs/ModulesHowTo.md @@ -1,4 +1,4 @@ -# HowTo: Write Modules +# HowTo: Write Lua based Modules (deprecated for client side modules) See [online wiki](https://github.com/openwrt/luci/wiki/ModulesHowTo) for latest version. @@ -7,34 +7,34 @@ See [online wiki](https://github.com/openwrt/luci/wiki/ModulesHowTo) for latest This tutorial describes how to write your own modules for the LuCI WebUI. For this tutorial we refer to your LuCI installation directory as `lucidir` (`/usr/lib/lua/luci` on your OpenWRT device) and assume your LuCI installation is reachable through your webserver via `http://192.168.1.1/cgi-bin/luci`. -The recommended way to set up development environment: +The recommended way to set up a development environment: -Install OpenWRT on your router/device (You could use a QEMU or VirtualBox image instead) +- Install OpenWRT on your router/device (You could use a QEMU or VirtualBox image instead) -Install SSHFS on your host +- Install SSHFS on your host -Mount your routers' root (/) someplace on your development host (eg. /mnt/router) +- Mount your routers' root (`/`) someplace on your development host (eg. `/mnt/router`) -Then open /mnt/router/(lucidir) in your favorite development studio +- Then open `/mnt/router/(lucidir)` in your favorite development studio -Extra: Add configurations to your dev studio which will delete the luci cache (detailed below) and then open a browser window to your routers' configuration page in order to see your module/application. +Extra: +- Add configurations to your dev studio which will delete the luci cache (detailed below) and then open a browser window to your routers' configuration page in order to see your module/application. When testing, if you have edited index files, be sure to remove the folder `/tmp/luci-modulecache/*` and the file(s) `/tmp/luci-indexcache*`, then refresh the LUCI page to see your edits. -## Show me the way (The dispatching process) -To write a module you need to understand the basics of the dispatching process in LuCI. -LuCI uses a dispatching tree that will be built by executing the index-Function of every available controller. +## The dispatching process +LuCI uses a dispatching tree that is built by executing the index-Function of every available controller. The CGI-environment variable `PATH_INFO` will be used as the path in this dispatching tree, e.g.: `/cgi-bin/luci/foo/bar/baz` -will be resolved to `foo.bar.baz` +resolves to `foo.bar.baz`. -To register a function in the dispatching tree, you can use the `entry`-function of `luci.dispatcher`. It takes 4 arguments (2 are optional): +To register a function in the dispatching tree, use the `entry`-function of `luci.dispatcher`. It takes 4 arguments (2 are optional): ```lua entry(path, target, title=nil, order=nil) ``` * `path` is a table that describes the position in the dispatching tree: For example a path of `{"foo", "bar", "baz"}` would insert your node in `foo.bar.baz`. -* `target` describes the action that will be taken when a user requests the node. There are several predefined ones of which the 3 most important (call, template, cbi) are described later on this page +* `target` describes the action that will be taken when a user requests the node. There are several predefined actions, of which the 3 most important (call, template, cbi) are described later on this page * `title` defines the title that will be visible to the user in the menu (optional) * `order` is a number with which nodes on the same level will be sorted in the menu (optional) @@ -46,8 +46,8 @@ You can assign more attributes by manipulating the node table returned by the en * `sysauth` requires the user to authenticate with a given system user account -# It's all about names (Naming and the module file) -Now that you know the basics about dispatching, we can start writing modules. Now, choose the category and name of your new digital child. +# Naming and the module file +Now we can start writing modules. Choose the category and name of your new digital child. Let's assume you want to create a new application `myapp` with a module `mymodule`. |