plugin, tmp commit

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/plugin/mod.rs

@@ -0,0 +1,19 @@
+use hbb_common::{dlopen::symbor::Library, log, ResultType};
+use std::{
+    ffi::{c_char, CStr},
+    path::Path,
+};
+
+mod callback_msg;
+mod config;
+pub mod desc;
+mod plugins;
+
+pub use plugins::load_plugins;
+
+#[inline]
+fn cstr_to_string(cstr: *const c_char) -> ResultType<String> {
+    Ok(String::from_utf8(unsafe {
+        CStr::from_ptr(cstr).to_bytes().to_vec()
+    })?)
+}