From a04c9e1fb56877e9495af19f90a0928ed4242de6 Mon Sep 17 00:00:00 2001
From: Phodal Huang <h@phodal.com>
Date: Thu, 18 Feb 2021 11:27:03 +0800
Subject: [PATCH] feat(plugin): make plugin manager works

---
 Cargo.lock                           | 198 ++++++++++++++++++---------
 plugin_manager/Cargo.toml            |  10 ++
 plugin_manager/src/lib.rs            |  12 +-
 plugin_manager/src/plugin_manager.rs |  36 +++++
 plugins/coco_swagger/src/lib.rs      |  11 ++
 5 files changed, 192 insertions(+), 75 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 520cbc62..f3df93d2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -86,8 +86,8 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4ca8ce00b267af8ccebbd647de0d61e0674b6e61185cc7a592ff88772bed655"
 dependencies = [
- "quote",
- "syn",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -96,8 +96,8 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dbcb2b608f0accc2f5bcf3dd872194ce13d94ee45b571487035864cf966b04ef"
 dependencies = [
- "quote",
- "syn",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -275,9 +275,9 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad26f77093333e0e7c6ffe54ebe3582d908a104e448723eec6d43d08b07143fb"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -365,9 +365,9 @@ version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d3a45e77e34375a7923b1e8febb049bb011f064714a8e17a1a616fef01da13d"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -862,8 +862,8 @@ version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "10bcb9d7dcbf7002aaffbb53eac22906b64cdcc127971dcc387d8eb7c95d5560"
 dependencies = [
- "quote",
- "syn",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -892,9 +892,9 @@ version = "0.99.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cb0e6161ad61ed084a36ba71fbba9e3ac5aee3606fb607fe08da6acbcf3d8c"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -986,6 +986,29 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
 
+[[package]]
+name = "dlopen"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71e80ad39f814a9abe68583cd50a2d45c8a67561c3361ab8da240587dda80937"
+dependencies = [
+ "dlopen_derive",
+ "lazy_static",
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "dlopen_derive"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f236d9e1b1fbd81cea0f9cbdc8dcc7e8ebcd80e6659cd7cb2ad5f6c05946c581"
+dependencies = [
+ "libc",
+ "quote 0.6.13",
+ "syn 0.15.44",
+]
+
 [[package]]
 name = "doc-comment"
 version = "0.3.3"
@@ -1042,9 +1065,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c5f0096a91d210159eceb2ff5e1c4da18388a170e1e3ce948aac9c8fdbbf595"
 dependencies = [
  "heck",
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -1085,9 +1108,9 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
  "synstructure",
 ]
 
@@ -1204,9 +1227,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c287d25add322d9f9abdcdc5927ca398917996600182178774032e9f8258fedd"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -2040,9 +2063,9 @@ checksum = "99b8db626e31e5b81787b9783425769681b347011cc59471e33ea46d2ea0cf55"
 dependencies = [
  "pest",
  "pest_meta",
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -2080,9 +2103,9 @@ version = "0.4.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -2091,9 +2114,9 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "caa25a6393f22ce819b0f50e0be89287292fda8d425be38ee0ca14c4931d9e71"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -2130,6 +2153,12 @@ dependencies = [
 [[package]]
 name = "plugin_manager"
 version = "0.1.0"
+dependencies = [
+ "core_model",
+ "dlopen",
+ "dlopen_derive",
+ "plugin_interface",
+]
 
 [[package]]
 name = "ppv-lite86"
@@ -2187,13 +2216,22 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
+[[package]]
+name = "proc-macro2"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
+dependencies = [
+ "unicode-xid 0.1.0",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
- "unicode-xid",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
@@ -2220,13 +2258,22 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "quote"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
+dependencies = [
+ "proc-macro2 0.4.30",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
 dependencies = [
- "proc-macro2",
+ "proc-macro2 1.0.24",
 ]
 
 [[package]]
@@ -2437,10 +2484,10 @@ version = "5.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3ed91c41c42ef7bf687384439c312e75e0da9c149b0390889b94de3c7d9d9e66"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
  "rust-embed-utils",
- "syn",
+ "syn 1.0.58",
  "walkdir",
 ]
 
@@ -2562,9 +2609,9 @@ version = "1.0.119"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "552954ce79a059ddd5fd68c271592374bd15cab2274970380c000118aeffe1cd"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -2729,11 +2776,11 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
  "serde",
  "serde_derive",
- "syn",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -2743,13 +2790,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
 dependencies = [
  "base-x",
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
  "serde",
  "serde_derive",
  "serde_json",
  "sha1",
- "syn",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -2811,15 +2858,26 @@ dependencies = [
  "symbolic-common 8.0.3",
 ]
 
+[[package]]
+name = "syn"
+version = "0.15.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
+dependencies = [
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+ "unicode-xid 0.1.0",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc60a3d73ea6594cd712d830cc1f0390fd71542d8c8cd24e70cc54cdfd5e05d5"
 dependencies = [
- "proc-macro2",
- "quote",
- "unicode-xid",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
@@ -2828,10 +2886,10 @@ version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
@@ -2929,9 +2987,9 @@ version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9be73a2caec27583d0046ef3796c3794f868a5bc813db689eed00c7631275cd1"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -2995,10 +3053,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5c3be1edfad6027c69f5491cf4cb310d1a71ecd6af742788c6ff8bced86b8fa"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
  "standback",
- "syn",
+ "syn 1.0.58",
 ]
 
 [[package]]
@@ -3281,6 +3339,12 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
@@ -3377,9 +3441,9 @@ dependencies = [
  "bumpalo",
  "lazy_static",
  "log",
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
  "wasm-bindgen-shared",
 ]
 
@@ -3389,7 +3453,7 @@ version = "0.2.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3b8853882eef39593ad4174dd26fc9865a64e84026d223f63bb2c42affcbba2c"
 dependencies = [
- "quote",
+ "quote 1.0.8",
  "wasm-bindgen-macro-support",
 ]
 
@@ -3399,9 +3463,9 @@ version = "0.2.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4133b5e7f2a531fa413b3a1695e925038a05a71cf67e87dafa295cb645a01385"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.8",
+ "syn 1.0.58",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/plugin_manager/Cargo.toml b/plugin_manager/Cargo.toml
index b12626c6..0b818b66 100644
--- a/plugin_manager/Cargo.toml
+++ b/plugin_manager/Cargo.toml
@@ -7,3 +7,13 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+dlopen = "0.1.8"
+dlopen_derive = "0.1.4"
+
+
+[dependencies.core_model]
+path = "../core_model"
+
+
+[dependencies.plugin_interface]
+path = "../plugin_interface"
diff --git a/plugin_manager/src/lib.rs b/plugin_manager/src/lib.rs
index 16fb078f..60330812 100644
--- a/plugin_manager/src/lib.rs
+++ b/plugin_manager/src/lib.rs
@@ -1,9 +1,5 @@
-pub mod plugin_manager;
+extern crate dlopen;
+#[macro_use]
+extern crate dlopen_derive;
 
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
-    }
-}
+pub mod plugin_manager;
diff --git a/plugin_manager/src/plugin_manager.rs b/plugin_manager/src/plugin_manager.rs
index d482be5e..5882666f 100644
--- a/plugin_manager/src/plugin_manager.rs
+++ b/plugin_manager/src/plugin_manager.rs
@@ -1 +1,37 @@
+use dlopen::wrapper::{Container, WrapperApi};
+
+use plugin_interface::PluginInterface;
+use std::path::PathBuf;
+
+#[derive(WrapperApi)]
+struct Wrapper {
+    plugin: fn() -> Box<dyn PluginInterface>,
+}
+
 pub struct PluginManager {}
+
+impl PluginManager {
+    #[allow(dead_code)]
+    fn run() {
+        let root = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        let plugin_path = "target/debug/libcoco_swagger.dylib";
+        let path = root.parent().unwrap().join(plugin_path);
+
+        let cont: Container<Wrapper> =
+            unsafe { Container::load(path) }.expect("Could not open library or load symbols");
+
+        let plugin = cont.plugin();
+        println!("{:?}", plugin.name());
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::plugin_manager::PluginManager;
+
+    #[ignore]
+    #[test]
+    fn test_plugin_run_in_local() {
+        PluginManager::run();
+    }
+}
diff --git a/plugins/coco_swagger/src/lib.rs b/plugins/coco_swagger/src/lib.rs
index 9553c7aa..fb3fceec 100644
--- a/plugins/coco_swagger/src/lib.rs
+++ b/plugins/coco_swagger/src/lib.rs
@@ -16,3 +16,14 @@ impl PluginInterface for CocoSwagger {
         println!("{:?}", config);
     }
 }
+
+impl Default for CocoSwagger {
+    fn default() -> Self {
+        CocoSwagger {}
+    }
+}
+
+#[no_mangle]
+pub fn plugin() -> Box<dyn PluginInterface> {
+    Box::new(CocoSwagger::default())
+}