Added PluginContext

Cargo.toml

@@ -1,4 +1,12 @@
-workspace = { members = [ "sdk/rust","dim_plugins/example_rust", "dim_plugins/clock", "dim_plugins/counter", "dim_plugins/battery"] }
+[workspace]
+members = [ 
+    "sdk/rust/dim_sdk",
+    "dim_plugins/example_rust", 
+    "dim_plugins/clock", 
+    "dim_plugins/counter", 
+    "dim_plugins/battery", 
+]
+
 [package]
 name = "dim"
 version = "0.1.0"

compile_commands.json

@@ -1,14 +1,14 @@
 [
  {
-  "directory": "/home/xomf/git-stuff/dim2/dim/dim_plugins/example_c",
+  "directory": "/home/mcorange/.dwm/sources/dim/dim_plugins/example_c",
   "arguments": [
    "gcc",
    "-c",
    "-o",
-   "/home/xomf/git-stuff/dim2/dim/target/objects/example_c/main.o",
+   "/home/mcorange/.dwm/sources/dim/target/objects/example_c/main.o",
    "src/main.c",
    "-pie",
-   "-I/home/xomf/git-stuff/dim2/dim/sdk/c_cxx",
+   "-I/home/mcorange/.dwm/sources/dim/sdk/c_cxx",
    "-fPIC"
   ],
   "file": "src/main.c"

dim_plugins/battery/Cargo.toml

@@ -8,5 +8,5 @@ crate-type=["cdylib"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-dim_sdk = {path="../../sdk/rust/"}
+dim_sdk = {path="../../sdk/rust/dim_sdk"}
 lazy_static = "1.4.0"

dim_plugins/battery/src/lib.rs

@@ -1,5 +1,5 @@
 use std::fmt::Write;
-use dim_sdk::{plugin_info, DimPlugin};
+use dim_sdk::{plugin_info, Context, DimPlugin};
 use std::fs::read_to_string;
 
 plugin_info!(
@@ -20,7 +20,7 @@ impl Plug {
 }
 
 impl DimPlugin for Plug {
-    fn init(&mut self) {
+    fn init(&mut self, _ctx: Context) {
     }
     fn poll(&mut self, f: &mut dim_sdk::CBuffer) -> dim_sdk::Result<()> {
         let contents = read_to_string("/sys/class/power_supply/BAT0/capacity")?;

dim_plugins/clock/Cargo.toml

@@ -9,6 +9,6 @@ crate-type=["cdylib"]
 
 [dependencies]
 chrono = "0.4.38"
-dim_sdk = {path="../../sdk/rust/"}
+dim_sdk = {path="../../sdk/rust/dim_sdk"}
 lazy_static = "1.4.0"
 log = "0.4.21"

dim_plugins/clock/src/lib.rs

@@ -1,6 +1,6 @@
 use std::fmt::Write;
 use chrono::prelude::*;
-use dim_sdk::{plugin_info, DimPlugin};
+use dim_sdk::{plugin_info, Context, DimPlugin};
 
 plugin_info!(
     Plug,                    // Your main global structs name that implements `DimPlugin`
@@ -9,6 +9,7 @@ plugin_info!(
     "GPLv3"                  // Plugin license (leave empty for none)
 );
 
+
 struct Plug {
 }
 
@@ -20,9 +21,7 @@ impl Plug {
 }
 
 impl DimPlugin for Plug {
-    fn init(&mut self) {
+    fn init(&mut self, _ctx: Context) {}
-    }
-
     fn poll(&mut self, f: &mut dim_sdk::CBuffer) -> dim_sdk::Result<()> {
         let local: DateTime<Local> = Local::now();
         let formatted_time = local.format("%H:%M (%Y-%m-%d)").to_string();
@@ -30,14 +29,9 @@ impl DimPlugin for Plug {
         write!(f, "Time: {}", formatted_time)?;
         Ok(())
     }
-    fn pre_reload(&mut self) {
+    fn pre_reload(&mut self) {}
-
+    fn post_reload(&mut self) {}
-    }
+    fn free(&mut self) {}
-    fn post_reload(&mut self) {
-
-    }
-    fn free(&mut self) {
-    }
 }
 
 

dim_plugins/counter/Cargo.toml

@@ -9,5 +9,5 @@ crate-type=["cdylib"]
 
 [dependencies]
 chrono = "0.4.38"
-dim_sdk = {path="../../sdk/rust/"}
+dim_sdk = {path="../../sdk/rust/dim_sdk"}
 lazy_static = "1.4.0"

dim_plugins/counter/src/lib.rs

@@ -1,5 +1,5 @@
 use std::fmt::Write;
-use dim_sdk::{plugin_info, DimPlugin};
+use dim_sdk::{plugin_info, Context, DimPlugin};
 use chrono::{NaiveDate, Local};
 
 plugin_info!(
@@ -21,7 +21,7 @@ impl Plug {
 }
 
 impl DimPlugin for Plug {
-    fn init(&mut self) {}
+    fn init(&mut self, _ctx: Context) {}
     fn poll(&mut self, f: &mut dim_sdk::CBuffer) -> dim_sdk::Result<()> {
 
         let start_date = NaiveDate::from_ymd_opt(2024, 3, 8).expect("Invalid date");

dim_plugins/example_c/src/main.c

@@ -13,7 +13,8 @@ typedef struct plug_t {
 
 plug_t* p = {0};
 
-void plug_init() {
+void plug_init(plug_ctx_t* ctx) {
+    (void) ctx;
     p = malloc(sizeof(plug_t));
     assert(p != NULL && "Buy more ram KEKW");
     p->count = 0;

dim_plugins/example_rust/Cargo.toml

@@ -8,5 +8,5 @@ crate-type=["cdylib"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-dim_sdk = {path="../../sdk/rust/"}
+dim_sdk = {path="../../sdk/rust/dim_sdk"}
 lazy_static = "1.4.0"

dim_plugins/example_rust/src/lib.rs

@@ -1,5 +1,5 @@
 use std::fmt::Write;
-use dim_sdk::{plugin_info, DimPlugin};
+use dim_sdk::{plugin_info, Context, DimPlugin};
 
 plugin_info!(
     Plug,                    // Your main global structs name that implements `DimPlugin`
@@ -21,7 +21,7 @@ impl Plug {
 }
 
 impl DimPlugin for Plug {
-    fn init(&mut self) {
+    fn init(&mut self, _ctx: Context) {
         // Initialise data, this will run once, it will not run again after reload
     }
     fn poll(&mut self, f: &mut dim_sdk::CBuffer) -> dim_sdk::Result<()> {

sdk/c_cxx/dim_sdk.h

@@ -10,6 +10,10 @@ typedef struct plug_info_t {
     char* license;
 } plug_info_t;
 
+typedef struct plug_ctx_t {
+    char* config_dir;
+} plug_ctx_t;
+
 #define PLUG_INFO(_name, _version, _license) \
 static plug_info_t PLUG_INFO_VAR = { .name=(_name), .version=(_version), .license=(_license)}; \
 void* plug_get_info() {     \
@@ -22,7 +26,7 @@ void* plug_get_info() {     \
 #define PLUG_LICENSE(s) volatile char* PLUG_LICENSE = (s);
 
 
-void  plug_init();                        // Loads when DIM initialises
+void  plug_init(plug_ctx_t*);                        // Loads when DIM initialises
 void* plug_pre_reload();                  // Return a pointer to save state
 void  plug_post_reload(void*);      // returns the same pointer after reload
 void  plug_poll(char*, size_t);  // Write the message to `buf` with max `size` characters 

sdk/rust/dim_sdk/src/context.rs

@@ -0,0 +1,25 @@
+use std::{ffi::{c_char, CStr}, path::PathBuf};
+
+
+#[repr(C)]
+pub struct ContextRaw {
+    pub config_dir: *const c_char
+}
+
+#[derive(Debug, Clone)]
+pub struct Context {
+    pub config_dir: PathBuf
+}
+
+impl Context {
+    pub fn new(cr: *const ContextRaw) -> Self {
+        let config_dir = unsafe {
+            let v = CStr::from_ptr((*cr).config_dir);
+            PathBuf::from(v.to_string_lossy().to_string())
+        };
+
+        Self {
+            config_dir
+        }
+    }
+}

sdk/rust/dim_sdk/src/lib.rs

@@ -4,14 +4,15 @@
 mod magic;
 mod c_buffer;
 mod plugin_info;
+mod context;
 
 pub use c_buffer::*;
 pub use plugin_info::*;
-
 pub use anyhow::Result;
+pub use context::*;
 
 pub trait DimPlugin {
-    fn init(&mut self);
+    fn init(&mut self, ctx: Context);
     fn pre_reload(&mut self);
     fn post_reload(&mut self);
     fn poll(&mut self, f: &mut CBuffer) -> Result<()>;
@@ -23,3 +24,4 @@ pub trait DimPlugin {
 
 
 
+

sdk/rust/dim_sdk/src/magic.rs

@@ -15,10 +15,12 @@ macro_rules! plugin_info {
         }
 
         #[no_mangle]
-        unsafe extern "C" fn plug_init() {
+        unsafe extern "C" fn plug_init(ctx: *const $crate::ContextRaw) {
             PLUG = std::alloc::alloc(std::alloc::Layout::new::<$typ>()) as *mut $typ;
             *PLUG = Plug::new();
-            (&mut *PLUG).init();
+            
+            let ctx = $crate::Context::new(ctx);
+            (&mut *PLUG).init(ctx);
         }
 
         #[no_mangle]

src/config.rs

@@ -21,14 +21,14 @@ pub struct ConfigPlugins {
 
 impl Config {
     pub fn new(path: &Path) -> Result<Self, ConfigError> {
-        let path = path.join("main.toml");
+        let cfg_path = path.join("main.toml");
         
-        if !path.exists() {
+        if !cfg_path.exists() {
             println!("ERROR: {:?} doesnt exist", path);
         }
 
         let mut cfg: Self = toml::from_str(
-                &std::fs::read_to_string(&path)?
+                &std::fs::read_to_string(&cfg_path)?
             )?;
     
         cfg.config_dir = path.to_path_buf();

src/main.rs

@@ -1,13 +1,13 @@
 #![allow(internal_features)]
 #![feature(core_intrinsics)]
 
-use std::{process::ExitCode, time::Duration};
+use std::{ffi::c_char, process::ExitCode, time::Duration};
-
 use clap::Parser;
 
 mod display;
 mod plugman;
 mod config;
+mod util;
 
 #[derive(Debug, Parser)]
 struct CliArgs {
@@ -19,6 +19,8 @@ struct CliArgs {
     pub debug: bool
 }
 
+#[allow(non_camel_case_types)]
+pub type c_str = *const c_char;
 
 // TODO: Clean up main function
 // TODO: Make ffi safe abstraction for logger
@@ -57,7 +59,7 @@ fn main() -> ExitCode {
         return ExitCode::from(3);
     }
 
-    pm.init_plugins();
+    pm.init_plugins(&config);
     
     loop {
         let vals = pm.poll_plugins();

src/plugman/mod.rs

@@ -49,9 +49,9 @@ impl PlugMan {
         Ok(())
     }
 
-    pub fn init_plugins(&mut self) {
+    pub fn init_plugins(&mut self, cfg: &crate::config::Config) {
         for plugin in &self.plugins {
-            plugin.init();
+            plugin.init(cfg);
         }
     }
     

src/plugman/plugin/context.rs

@@ -0,0 +1,31 @@
+use std::ffi::{c_char, CString};
+
+pub struct PluginContextContainer {
+    pub inner: PluginContext,
+    _config_dir: CString
+}
+
+
+#[repr(C)]
+pub struct PluginContext {
+    pub config_dir: *const c_char
+}
+
+impl PluginContext {
+    pub fn new(config_dir: &CString) -> Self {
+        Self {
+            config_dir: config_dir.as_ptr()
+        }
+    }
+}
+
+
+impl PluginContextContainer {
+    pub fn new(config_dir: &String) -> Self {
+        let _config_dir = CString::new(config_dir.clone()).unwrap();
+        Self {
+            inner: PluginContext::new(&_config_dir),
+            _config_dir,
+        }
+    }
+}

src/plugman/plugin/loader.rs

@@ -0,0 +1,42 @@
+use std::ffi::c_char;
+
+use dlopen::raw::Library;
+
+use super::{context::PluginContext, Plugin, PluginInfo};
+
+
+#[derive(Debug, Clone, Copy)]
+pub struct PluginSyms {
+    pub(super) init:        unsafe extern "C" fn(ctx: *const PluginContext),
+    pub(super) pre_reload:  unsafe extern "C" fn() -> *const (),
+    pub(super) post_reload: unsafe extern "C" fn(state: *const ()),
+    pub(super) poll:        unsafe extern "C" fn(buf: *mut c_char, len: usize),
+    pub(super) free:        unsafe extern "C" fn(),
+    pub(super) get_info:    unsafe extern "C" fn() -> *const PluginInfo,
+}
+
+impl Plugin {
+    pub fn reload_symbols(&mut self) -> Result<(), dlopen::Error> {
+        log::debug!("Loading {:?}", self.path);
+        let lib = Library::open(&self.path)?;
+        let symbols = PluginSyms { 
+            init: unsafe { lib.symbol("plug_init")? },
+            pre_reload: unsafe { lib.symbol("plug_pre_reload")? },
+            post_reload: unsafe { lib.symbol("plug_post_reload")? },
+            poll: unsafe { lib.symbol("plug_poll")? },
+            free: unsafe { lib.symbol("plug_free")? },
+
+            get_info: unsafe { lib.symbol("plug_get_info")? },
+        };
+        unsafe {
+            if (symbols.get_info)().is_null() {
+                log::error!("Info fields for plugin {:?} are null", self.path);
+                self.disable();
+            }
+        }
+
+        self.syms = Some(symbols);
+        self.lib = Some(lib);
+        Ok(())
+    }
+}

src/plugman/plugin/mod.rs

@@ -2,32 +2,30 @@ use std::{alloc::Layout, ffi::{c_char, CStr}, path::PathBuf};
 
 use dlopen::raw::Library;
 
-#[derive(Debug, Clone, Copy,)]
+use crate::{c_str, config::Config};
-pub struct PluginSyms {
+
-    init:        unsafe extern "C" fn(),
+use self::context::{PluginContext, PluginContextContainer};
-    pre_reload:  unsafe extern "C" fn() -> *const (),
+
-    post_reload: unsafe extern "C" fn(state: *const ()),
+pub mod loader;
-    poll:        unsafe extern "C" fn(buf: *mut i8, len: usize),
+pub mod context;
-    free:        unsafe extern "C" fn(),
-    get_info:    unsafe extern "C" fn() -> *const PluginInfo, 
-}
 
 #[repr(C)]
 pub struct PluginInfo {
-    name: *const c_char,
+    name: c_str,
-    version: *const c_char,
+    version: c_str,
-    license: *const c_char,
+    license: c_str,
 }
 
 #[derive(Debug, Default)]
 pub struct Plugin {
-    syms: Option<PluginSyms>,
+    syms: Option<loader::PluginSyms>,
     path: PathBuf,
     lib: Option<Library>,
     enabled: bool,
 }
 
 
+
 impl Plugin {
     pub fn load(path: PathBuf) -> Result<Self, dlopen::Error> {
         let mut s = Self::default();
@@ -37,36 +35,16 @@ impl Plugin {
         Ok(s)
     }
   
-    fn reload_symbols(&mut self) -> Result<(), dlopen::Error> {
+    pub fn syms(&self) -> loader::PluginSyms {
-        log::debug!("Loading {:?}", self.path);
-        let lib = Library::open(&self.path)?;
-        let symbols = PluginSyms { 
-            init: unsafe { lib.symbol("plug_init")? },
-            pre_reload: unsafe { lib.symbol("plug_pre_reload")? },
-            post_reload: unsafe { lib.symbol("plug_post_reload")? },
-            poll: unsafe { lib.symbol("plug_poll")? },
-            free: unsafe { lib.symbol("plug_free")? },
-
-            get_info: unsafe { lib.symbol("plug_get_info")? },
-        };
-        unsafe {
-            if (symbols.get_info)().is_null() {
-                log::error!("Info fields for plugin {:?} are null", self.path);
-                self.disable();
-            }
-        }
-
-        self.syms = Some(symbols);
-        self.lib = Some(lib);
-        Ok(())
-    }
-    pub fn syms(&self) -> PluginSyms {
         self.syms.unwrap()
     }
 
-    pub fn init(&self) {
+    pub fn init(&self, cfg: &Config) {
         unsafe {
-            (self.syms().init)()
+            let conf_dir = &cfg.config_dir.join(self.name()).to_string_lossy().to_string();
+
+            let ctx = PluginContextContainer::new(conf_dir);
+            (self.syms().init)(&ctx.inner as *const PluginContext)
         }
     }
     pub fn reload(&mut self) -> Result<(), dlopen::Error> {