start to implement the configuration file and mrproxy integration

.gitignore

@@ -1,3 +1,4 @@
 /target/
 /mdeploy.db
 /mrdeploy_data/
+/config/config.toml

Cargo.lock

@@ -1266,6 +1266,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tokio",
+ "toml",
 ]
 
 [[package]]
@@ -1623,6 +1624,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8bbf91e5a4d6315eee45e704372590b30e260ee83af6639d64557f51b067776"
+dependencies = [
+ "serde_core",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -1847,6 +1857,45 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "toml"
+version = "0.9.10+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0825052159284a1a8b4d6c0c86cbc801f2da5afd2b225fa548c72f2e74002f48"
+dependencies = [
+ "indexmap 2.12.1",
+ "serde_core",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_parser",
+ "toml_writer",
+ "winnow",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.7.5+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92e1cfed4a3038bc5a127e35a2d360f145e1f4b971b551a2ba5fd7aedf7e1347"
+dependencies = [
+ "serde_core",
+]
+
+[[package]]
+name = "toml_parser"
+version = "1.0.6+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3198b4b0a8e11f09dd03e133c0280504d0801269e9afa46362ffde1cbeebf44"
+dependencies = [
+ "winnow",
+]
+
+[[package]]
+name = "toml_writer"
+version = "1.0.6+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab16f14aed21ee8bfd8ec22513f7287cd4a91aa92e44edfe2c17ddd004e92607"
+
 [[package]]
 name = "tower-service"
 version = "0.3.3"
@@ -2257,6 +2306,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
 
+[[package]]
+name = "winnow"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a5364e9d77fcdeeaa6062ced926ee3381faa2ee02d3eb83a5c27a8825540829"
+
 [[package]]
 name = "wit-bindgen"
 version = "0.46.0"

Cargo.toml

@@ -15,6 +15,7 @@ log = "0.4"
 serde = "*"
 serde_json = "*"
 fallible-iterator = "*"
+toml = "0.9"
 
 [target.x86_64-unknown-linux-gnu]
 rustflags = [

config/config_template.toml

@@ -0,0 +1,7 @@
+[docker]
+connection = "http"
+string = "http://my-custom-docker-server:2735"
+
+[mrproxy]
+connection = "tcp"
+string = "127.0.0.1:25564"

src/config/mod.rs

@@ -0,0 +1,102 @@
+use std::{error::Error, fs::read_to_string, io};
+use toml::Table;
+
+pub const CONFIG_PATH: &str = "config/config.tom";
+
+enum DockerConnectionKind {
+    HTTP,
+    HTTP_DEFAULT,
+    UNIX,
+    UNIX_DEFAULT,
+}
+
+pub enum MrproxyConnectionKind {
+    TCP,
+    UNIX,
+}
+
+pub struct DockerConnectionConfig {
+    connection_kind: DockerConnectionKind,
+    connection_string: Option<String>,
+}
+
+pub struct MrproxyConnectionData {
+    pub connection_kind: MrproxyConnectionKind,
+    pub connection_string: String,
+}
+
+impl DockerConnectionConfig {
+    pub fn get_config(file_name: &str) -> Result<Self, Box<dyn Error>> {
+        let stored_file = read_to_string(file_name)?.parse::<Table>()?;
+        let connection_kind_string = stored_file["docker"]["connection"].as_str().ok_or(
+            generate_toml_parser_error_in_field("docker connection kind"),
+        )?;
+
+        let connection_kind = match connection_kind_string {
+            "http" => DockerConnectionKind::HTTP,
+            "http_default" => DockerConnectionKind::HTTP_DEFAULT,
+            "unix" => DockerConnectionKind::UNIX,
+            "unix_default" => DockerConnectionKind::UNIX_DEFAULT,
+            _ => {
+                return Err(Box::new(generate_toml_parser_error_in_field(
+                    "docker connection kind",
+                )));
+            }
+        };
+
+        let connection_string = match connection_kind {
+            DockerConnectionKind::HTTP | DockerConnectionKind::UNIX => Some(
+                stored_file["docker"]["string"]
+                    .as_str()
+                    .ok_or(generate_toml_parser_error_in_field(
+                        "docker connection string",
+                    ))?
+                    .to_string(),
+            ),
+            _ => None,
+        };
+
+        Ok(Self {
+            connection_kind,
+            connection_string,
+        })
+    }
+}
+
+impl MrproxyConnectionData {
+    pub fn get_config(file_name: &str) -> Result<Self, Box<dyn Error>> {
+        let stored_file = read_to_string(file_name)?.parse::<Table>()?;
+        let connection_kind_string = stored_file["mrproxy"]["connection"].as_str().ok_or(
+            generate_toml_parser_error_in_field("mrproxy connection kind"),
+        )?;
+
+        let connection_kind = match connection_kind_string {
+            "tcp" => MrproxyConnectionKind::TCP,
+            "unix" => MrproxyConnectionKind::UNIX,
+            _ => {
+                return Err(Box::new(generate_toml_parser_error_in_field(
+                    "mrproxy connection kind",
+                )));
+            }
+        };
+
+        let connection_string = stored_file["mrproxy"]["string"]
+            .as_str()
+            .ok_or(generate_toml_parser_error_in_field(
+                "mrproxy connection string",
+            ))?
+            .to_string();
+
+        Ok(Self {
+            connection_kind,
+            connection_string,
+        })
+    }
+}
+
+fn generate_toml_parser_error_in_field(field: &str) -> io::Error {
+    io::Error::new(
+        io::ErrorKind::InvalidData,
+        format!("Invalid format for config.toml in {} field", field),
+    )
+}

src/controller/mod.rs

@@ -1,11 +1,14 @@
+use crate::config::{DockerConnectionConfig, MrproxyConnectionData};
 use crate::database::exposer::MemStorage;
 use crate::database::instance::Instance;
-use crate::deploy;
 use crate::deploy::container::Container;
 use crate::deploy::container_options::Options;
+use crate::mcproxy_client::client;
+use crate::{deploy, mcproxy_client};
 use bollard::errors::Error;
 use bollard::Docker;
 use log::error;
+use std::os::unix::net::UnixStream;
 use std::sync::Mutex;
 
 pub struct Controller {
@@ -13,6 +16,8 @@ pub struct Controller {
     network: String,
     storage: Mutex<MemStorage>,
     started: bool,
+    docker_config: DockerConnectionConfig,
+    mrproxy_config: MrproxyConnectionData,
 }
 
 impl Controller {
@@ -20,6 +25,8 @@ impl Controller {
         driver: Docker,
         network: String,
         range: String,
+        docker_config: DockerConnectionConfig,
+        mrproxy_config: MrproxyConnectionData,
     ) -> Result<Self, bollard::errors::Error> {
         deploy::network::Network::new(driver.clone(), network.clone(), range).await?;
         let cont = Self {
@@ -27,6 +34,8 @@ impl Controller {
             network: network,
             storage: Mutex::new(MemStorage::new().unwrap()),
             started: false,
+            docker_config,
+            mrproxy_config,
         };
         Ok(cont)
     }
@@ -40,16 +49,31 @@ impl Controller {
     ) -> String {
         let is_stored = self.storage.lock().unwrap().search_instance(domain.clone());
         match is_stored {
-            Some(c) => match c.docker_id {
+            Some(c) => {
+                let mut mrcp_controller =
+                    mcproxy_client::controller::Controller::new(&self.mrproxy_config).unwrap();
+                _ = mrcp_controller.insert_new_domain(
+                    &domain,
+                    &ip.unwrap_or(c.get_ip(&self.driver).await.unwrap()),
+                );
+                match c.docker_id {
                     Some(id) => id,
                     None => "Container without docker_id".to_string(),
-            },
+                }
+            }
             None => {
                 match self
                     .load_container(None, domain.clone(), ip.clone(), image.clone(), ops)
                     .await
                 {
                     Ok(c) => {
+                        let mut mrcp_controller =
+                            mcproxy_client::controller::Controller::new(&self.mrproxy_config)
+                                .unwrap();
+                        _ = mrcp_controller.insert_new_domain(
+                            &domain,
+                            &ip.unwrap_or(c.get_ip(&self.driver).await.unwrap()),
+                        );
                         self.storage
                             .try_lock()
                             .unwrap()

src/deploy/starter.rs

@@ -1,17 +1,23 @@
+use crate::{config, controller::Controller};
 use bollard::Docker;
-use crate::controller::Controller;
 
-pub async fn start_docker() -> Controller{
+pub async fn start_docker() -> Controller {
     let docker = match Docker::connect_with_local_defaults() {
         Ok(d) => d,
-        Err(e) => panic!("error:{}",e.to_string()),
+        Err(e) => panic!("error:{}", e.to_string()),
     };
     env_logger::init_from_env(env_logger::Env::new().default_filter_or("debug"));
-    let controller = match Controller::new(docker,
+    let controller = match Controller::new(
+        docker,
         "customnetwork".to_string(),
-                                    "172.20.0.0/24".to_string()).await {
+        "172.20.0.0/24".to_string(),
+        config::DockerConnectionConfig::get_config(config::CONFIG_PATH).unwrap(),
+        config::MrproxyConnectionData::get_config(config::CONFIG_PATH).unwrap(),
+    )
+    .await
+    {
         Ok(c) => c,
-                    Err(e) => panic!("error: {}",e),
+        Err(e) => panic!("error: {}", e),
     };
     controller.load_all_instances().await;
     return controller;

src/main.rs

@@ -1,7 +1,9 @@
 mod api;
+mod config;
 mod controller;
 mod database;
 mod deploy;
+mod mcproxy_client;
 
 #[actix_web::main]
 async fn main() {

src/mcproxy_client/client.rs

@@ -0,0 +1,30 @@
+use std::io::{Read, Result, Write};
+
+pub fn insert_new_domain(stream: &mut dyn Write, domain: &str, ip: &str) -> Result<()> {
+    _ = stream.write(&[0 as u8]);
+    let domain = domain.as_bytes();
+    let ip = ip.as_bytes();
+    _ = stream.write(&[domain.len() as u8]);
+    _ = stream.write(domain);
+    _ = stream.write(&[ip.len() as u8]);
+    _ = stream.write(ip);
+    Ok(())
+}
+
+pub fn remove_domain(stream: &mut dyn Write, domain: &str) -> Result<()> {
+    _ = stream.write(&[1 as u8])?;
+    _ = stream.write(&[domain.len() as u8])?;
+    _ = stream.write(domain.as_bytes())?;
+    Ok(())
+}
+
+pub fn read_response(stream: &mut dyn Read) -> Result<u8> {
+    let mut buf: [u8; 1] = [1; 1];
+    _ = stream.read_exact(&mut buf)?;
+    Ok(buf[0])
+}
+
+pub fn close_connection(stream: &mut dyn Write) -> Result<()> {
+    _ = stream.write(&[2 as u8])?;
+    Ok(())
+}

src/mcproxy_client/controller.rs

@@ -0,0 +1,78 @@
+use std::{error::Error, net::TcpStream, os::unix::net::UnixStream};
+
+use crate::{
+    config::{
+        MrproxyConnectionData,
+        MrproxyConnectionKind::{TCP, UNIX},
+    },
+    mcproxy_client::client,
+};
+
+enum KindStream {
+    TCP,
+    UNIX,
+}
+
+pub struct Controller {
+    tcp_stream: Option<TcpStream>,
+    unix_stream: Option<UnixStream>,
+    kind_stream: KindStream,
+}
+
+impl Controller {
+    pub fn new(conexion_data: &MrproxyConnectionData) -> Result<Self, Box<dyn Error>> {
+        let streams: (Option<TcpStream>, Option<UnixStream>, KindStream) =
+            match conexion_data.connection_kind {
+                TCP => (
+                    Some(TcpStream::connect(&conexion_data.connection_string).unwrap()),
+                    None,
+                    KindStream::TCP,
+                ),
+                UNIX => (
+                    None,
+                    Some(UnixStream::connect(&conexion_data.connection_string).unwrap()),
+                    KindStream::UNIX,
+                ),
+            };
+        Ok(Self {
+            tcp_stream: streams.0,
+            unix_stream: streams.1,
+            kind_stream: streams.2,
+        })
+    }
+
+    pub fn insert_new_domain(&mut self, domain: &str, ip: &str) -> Result<u8, std::io::Error> {
+        match self.kind_stream {
+            KindStream::TCP => {
+                _ = client::insert_new_domain(self.tcp_stream.as_mut().unwrap(), domain, ip)?;
+                client::read_response(self.tcp_stream.as_mut().unwrap())
+            }
+            KindStream::UNIX => {
+                _ = client::insert_new_domain(self.unix_stream.as_mut().unwrap(), domain, ip)?;
+                client::read_response(self.unix_stream.as_mut().unwrap())
+            }
+        }
+    }
+
+    pub fn remove_domain(&mut self, domain: &str) -> Result<u8, std::io::Error> {
+        match self.kind_stream {
+            KindStream::TCP => {
+                _ = client::remove_domain(self.tcp_stream.as_mut().unwrap(), domain)?;
+                client::read_response(self.tcp_stream.as_mut().unwrap())
+            }
+            KindStream::UNIX => {
+                _ = client::remove_domain(self.unix_stream.as_mut().unwrap(), domain)?;
+                client::read_response(self.unix_stream.as_mut().unwrap())
+            }
+        }
+    }
+}
+
+impl Drop for Controller {
+    fn drop(&mut self) {
+        match self.kind_stream {
+            KindStream::TCP => _ = client::close_connection(self.tcp_stream.as_mut().unwrap()),
+            KindStream::UNIX => _ = client::close_connection(self.unix_stream.as_mut().unwrap()),
+        }
+    }
+}

src/mcproxy_client/mod.rs

@@ -0,0 +1,2 @@
+pub mod client;
+pub mod controller;