diff --git a/.gitignore b/.gitignore
index 53eaa21..f8abd6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 /target
 **/*.rs.bk
+/.idea
+/data
\ No newline at end of file
diff --git a/Cargo.toml b/Cargo.toml
index fd7382c..e1a1cda 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,7 @@ members = [
     "bin/u_run",
     "bin/u_server",
     "lib/u_lib",
+    "lib/u_api_proc_macro"
 ]
 
 [profile.release]
diff --git a/bin/u_agent/src/main.rs b/bin/u_agent/src/main.rs
index 05d76b9..a854863 100644
--- a/bin/u_agent/src/main.rs
+++ b/bin/u_agent/src/main.rs
@@ -10,17 +10,16 @@ extern crate log;
 extern crate env_logger;
 
 use std::env;
+use tokio::time::{sleep, Duration};
 use u_lib::{
     api::ClientHandler,
-    models::{gather},
-    build_jobs_with_result,
-    pop_completed,
+    builder::JobBuilder,
+    cache::JobCache,
+    executor::pop_completed,
+    models::{AssignedJob, ExecResult},
     UID,
-    ExactJob,
-    JobCache,
     //daemonize
 };
-use tokio::{time::{Duration, sleep}};
 
 #[macro_export]
 macro_rules! retry_until_ok {
@@ -28,32 +27,45 @@ macro_rules! retry_until_ok {
         loop {
             match $body {
                 Ok(r) => break r,
-                Err(e) => error!("{:?}", e)
+                Err(e) => error!("{:?}", e),
             };
             sleep(Duration::from_secs(5)).await;
         }
-    }
+    };
 }
 
-async fn process_request(job_requests: Vec<ExactJob>, client: &ClientHandler) {
+async fn process_request(job_requests: Vec<AssignedJob>, client: &ClientHandler) {
     if job_requests.len() > 0 {
-        for jr in job_requests.iter() {
+        for jr in &job_requests {
             if !JobCache::contains(&jr.job_id) {
                 info!("Fetching job: {}", &jr.job_id);
-                let fetched_job =
-                    retry_until_ok!(client.get_jobs(Some(&jr.job_id)).await).pop().unwrap();
+                let fetched_job = retry_until_ok!(client.get_jobs(Some(jr.job_id)).await)
+                    .pop()
+                    .unwrap();
                 JobCache::insert(fetched_job);
             }
-        };
+        }
         info!(
             "Scheduling jobs: \n{}",
-            job_requests.iter()
+            job_requests
+                .iter()
                 .map(|j| j.job_id.to_string())
-                .collect::<Vec<String>>().join("\n")
+                .collect::<Vec<String>>()
+                .join("\n")
         );
-        build_jobs_with_result(job_requests)
-            .spawn()
-            .await;
+        let mut builder = JobBuilder::from_request(job_requests);
+        let errors = builder.pop_errors();
+        if errors.len() > 0 {
+            error!(
+                "Some errors encountered: \n{}",
+                errors
+                    .iter()
+                    .map(|j| j.to_string())
+                    .collect::<Vec<String>>()
+                    .join("\n")
+            );
+        }
+        builder.unwrap_one().spawn().await;
     }
 }
 
@@ -63,22 +75,15 @@ async fn main() {
     env_logger::init();
     let arg_ip = env::args().nth(1);
     let instance = ClientHandler::new(arg_ip);
-    let cli_info = gather().await;
     info!("Connecting to the server");
-    retry_until_ok!(instance.init(&cli_info).await);
-    info!("Instanciated! Running main loop");
     loop {
-        let job_requests: Vec<ExactJob> =
-            retry_until_ok!(instance.get_agent_jobs(Some(&*UID)).await);
+        let job_requests: Vec<AssignedJob> =
+            retry_until_ok!(instance.get_agent_jobs(Some(*UID)).await);
         process_request(job_requests, &instance).await;
-        let result: Vec<ExactJob> = pop_completed().await
-            .into_iter()
-            .map(|r| r.unwrap())
-            .collect();
+        let result: Vec<ExecResult> = pop_completed().await.into_iter().collect();
         if result.len() > 0 {
             retry_until_ok!(instance.report(&result).await)
         }
         sleep(Duration::from_secs(5)).await;
     }
 }
-
diff --git a/bin/u_panel/src/main.rs b/bin/u_panel/src/main.rs
index 1a873f7..e6b8990 100644
--- a/bin/u_panel/src/main.rs
+++ b/bin/u_panel/src/main.rs
@@ -1,10 +1,5 @@
 use structopt::StructOpt;
-use u_lib::{
-    api::ClientHandler,
-    models::JobMeta,
-    UError
-};
-use std::path::PathBuf;
+use u_lib::{api::ClientHandler, models::JobMeta, UError};
 use uuid::Uuid;
 
 const DELIM: &'static str = "*************\n";
@@ -12,14 +7,14 @@ const DELIM: &'static str = "*************\n";
 #[derive(StructOpt, Debug)]
 struct Args {
     #[structopt(subcommand)]
-    cmd: Cmd
+    cmd: Cmd,
 }
 
 #[derive(StructOpt, Debug)]
 enum Cmd {
     Agents(LD),
     Jobs(JobALD),
-    Jobmap(JmALD)
+    Jobmap(JmALD),
 }
 
 #[derive(StructOpt, Debug)]
@@ -29,16 +24,16 @@ enum JobALD {
         agent: Option<Uuid>,
 
         #[structopt(subcommand)]
-        cmd: JobCmd
+        cmd: JobCmd,
     },
     #[structopt(flatten)]
-    LD(LD)
+    LD(LD),
 }
 
 #[derive(StructOpt, Debug)]
 enum JobCmd {
     #[structopt(external_subcommand)]
-    Cmd(Vec<String>)
+    Cmd(Vec<String>),
 }
 
 #[derive(StructOpt, Debug)]
@@ -48,16 +43,16 @@ enum JmALD {
         agent_uid: Uuid,
 
         #[structopt(parse(try_from_str = parse_uuid))]
-        job_uids: Vec<Uuid>
+        job_uids: Vec<Uuid>,
     },
     List {
         #[structopt(parse(try_from_str = parse_uuid))]
-        uid: Option<Uuid>
+        uid: Option<Uuid>,
     },
     Delete {
         #[structopt(parse(try_from_str = parse_uuid))]
-        uid: Uuid
-    }
+        uid: Uuid,
+    },
 }
 
 #[derive(StructOpt, Debug)]
@@ -68,8 +63,8 @@ enum LD {
     },
     Delete {
         #[structopt(parse(try_from_str = parse_uuid))]
-        uid: Uuid
-    }
+        uid: Uuid,
+    },
 }
 
 fn parse_uuid(src: &str) -> Result<Uuid, String> {
@@ -77,40 +72,51 @@ fn parse_uuid(src: &str) -> Result<Uuid, String> {
 }
 
 async fn process_cmd(cmd: Cmd) -> Result<(), UError> {
-    let cli_handler = ClientHandler::new(None)
-        .password("123qwe".to_string());
+    let cli_handler = ClientHandler::new(None).password("123qwe".to_string());
     match cmd {
         Cmd::Agents(action) => match action {
-            LD::List {uid} => cli_handler.get_agents(uid.as_ref())
-                .await?.into_iter().for_each(|r| println!("{}{}", DELIM, r)),
-            LD::Delete {uid} => {
-                println!("{}", cli_handler.del(Some(&uid)).await?);
+            LD::List { uid } => cli_handler
+                .get_agents(uid)
+                .await?
+                .into_iter()
+                .for_each(|r| println!("{}{}", DELIM, r)),
+            LD::Delete { uid } => {
+                println!("{}", cli_handler.del(Some(uid)).await?);
             }
         },
         Cmd::Jobs(action) => match action {
-            JobALD::Add {cmd: JobCmd::Cmd(cmd), agent} => {
-                let job = JobMeta::from_shell(cmd.join(" "));
+            JobALD::Add {
+                cmd: JobCmd::Cmd(cmd),
+                agent,
+            } => {
+                let job = JobMeta::from_shell(cmd.join(" "))?;
                 let job_uid = job.id;
                 cli_handler.upload_jobs(&vec![job]).await?;
                 if agent.is_some() {
-                    cli_handler.set_jobs(&vec![job_uid], agent.as_ref()).await?
+                    cli_handler.set_jobs(agent, &vec![job_uid]).await?
                 }
-            },
-            JobALD::LD(LD::List {uid}) => cli_handler.get_jobs(uid.as_ref())
-                .await?.into_iter().for_each(|r| println!("{}{}", DELIM, r)),
-            JobALD::LD(LD::Delete {uid}) => {
-                println!("{}", cli_handler.del(Some(&uid)).await?)
             }
-        }
+            JobALD::LD(LD::List { uid }) => cli_handler
+                .get_jobs(uid)
+                .await?
+                .into_iter()
+                .for_each(|r| println!("{}{}", DELIM, r)),
+            JobALD::LD(LD::Delete { uid }) => {
+                println!("{}", cli_handler.del(Some(uid)).await?)
+            }
+        },
         Cmd::Jobmap(action) => match action {
-            JmALD::Add {agent_uid, job_uids} => cli_handler.set_jobs(&job_uids, Some(&agent_uid))
-                .await?,
-            JmALD::List {uid} => {
-                cli_handler.get_agent_jobs(uid.as_ref())
-                    .await?.into_iter().for_each(|r| println!("{}{}", DELIM, r))
-            },
-            JmALD::Delete {uid} => println!("{}", cli_handler.del(Some(&uid)).await?)
-        }
+            JmALD::Add {
+                agent_uid,
+                job_uids,
+            } => cli_handler.set_jobs(Some(agent_uid), &job_uids).await?,
+            JmALD::List { uid } => cli_handler
+                .get_agent_jobs(uid)
+                .await?
+                .into_iter()
+                .for_each(|r| println!("{}{}", DELIM, r)),
+            JmALD::Delete { uid } => println!("{}", cli_handler.del(Some(uid)).await?),
+        },
     }
     Ok(())
 }
diff --git a/bin/u_run/src/main.rs b/bin/u_run/src/main.rs
index de6c406..501e23d 100644
--- a/bin/u_run/src/main.rs
+++ b/bin/u_run/src/main.rs
@@ -1,17 +1,12 @@
+use libc::{c_void, fdopen, fwrite, getpid};
 use nix::{
     sys::memfd::{memfd_create, MemFdCreateFlag},
-    unistd::execv
-};
-use libc::{
-    fdopen,
-    fwrite,
-    c_void,
-    getpid
+    unistd::execv,
 };
 use std::{
-    ffi::{CString, CStr},
-    fs::{File, read_dir},
-    io::Read
+    ffi::{CStr, CString},
+    fs::{read_dir, File},
+    io::Read,
 };
 
 fn get_uagent_data() -> Option<Vec<u8>> {
@@ -23,7 +18,7 @@ fn get_uagent_data() -> Option<Vec<u8>> {
             let mut file = File::open(filename).unwrap();
             let mut data: Vec<u8> = vec![];
             file.read_to_end(&mut data).unwrap();
-            return Some(data)
+            return Some(data);
         }
     }
     None
@@ -35,10 +30,7 @@ fn get_proc_name() -> CString {
 
 fn create_memfd() -> i32 {
     let name = get_proc_name();
-    let fd = memfd_create(
-        &name, 
-        MemFdCreateFlag::empty()
-    ).unwrap();
+    let fd = memfd_create(&name, MemFdCreateFlag::empty()).unwrap();
     assert!(fd > 0);
     fd
 }
@@ -57,32 +49,18 @@ fn main() {
     let ad_len = agent_data.len();
     let fd = create_memfd();
     let file = unsafe {
-        let res = fdopen(fd, 
-            CStr::from_bytes_with_nul(b"w\0")
-                .unwrap().as_ptr()
-        );
+        let res = fdopen(fd, CStr::from_bytes_with_nul(b"w\0").unwrap().as_ptr());
         if res.is_null() {
             panic!("WTF!");
         }
         res
     };
-    let res_len = unsafe {
-        fwrite(
-            agent_data.as_ptr() as *const c_void, 
-            1, ad_len, file
-        )
-    };
+    let res_len = unsafe { fwrite(agent_data.as_ptr() as *const c_void, 1, ad_len, file) };
     if res_len != ad_len {
-        panic!("write wasn't successful: {}, need {}",
-            res_len, ad_len);
+        panic!("write wasn't successful: {}, need {}", res_len, ad_len);
     }
-    let exec_path: String = format!(
-        "/proc/{}/fd/{}", unsafe { getpid() }, fd
-    );
+    let exec_path: String = format!("/proc/{}/fd/{}", unsafe { getpid() }, fd);
     let proc_name = get_proc_name();
     let args = [proc_name.as_c_str()];
-    execv(
-        &CString::new(exec_path).unwrap(), 
-        &args
-    ).unwrap();
+    execv(&CString::new(exec_path).unwrap(), &args).unwrap();
 }
diff --git a/bin/u_server/Cargo.toml b/bin/u_server/Cargo.toml
index 238348b..6ef7838 100644
--- a/bin/u_server/Cargo.toml
+++ b/bin/u_server/Cargo.toml
@@ -12,6 +12,7 @@ thiserror = "*"
 warp = "0.2.4"
 uuid = { version = "0.6.5", features = ["serde", "v4"] }
 once_cell = "1.7.2"
+hyper = "0.13.10"
 
 [dependencies.diesel]
 features = ["postgres", "uuid"]
diff --git a/bin/u_server/src/db.rs b/bin/u_server/src/db.rs
index 27fc8dd..1302443 100644
--- a/bin/u_server/src/db.rs
+++ b/bin/u_server/src/db.rs
@@ -6,7 +6,7 @@ use std::{
     sync::{Arc, Mutex, MutexGuard},
 };
 use u_lib::{
-    models::{schema, Agent, ExactJob, IAgent, JobMeta, JobState},
+    models::{schema, Agent, AssignedJob, JobMeta, JobState},
     ULocalError, ULocalResult,
 };
 use uuid::Uuid;
@@ -30,7 +30,7 @@ pub fn lock_db() -> MutexGuard<'static, UDB> {
 }
 
 impl UDB {
-    pub fn insert_jobs(&self, job_metas: &Vec<JobMeta>) -> ULocalResult<()> {
+    pub fn insert_jobs(&self, job_metas: &[JobMeta]) -> ULocalResult<()> {
         use schema::jobs;
         diesel::insert_into(jobs::table)
             .values(job_metas)
@@ -50,10 +50,21 @@ impl UDB {
         Ok(result)
     }
 
-    pub fn insert_agents(&self, agent: &IAgent) -> ULocalResult<()> {
+    pub fn find_job_by_alias(&self, alias: &str) -> ULocalResult<JobMeta> {
+        use schema::jobs;
+        let result = jobs::table
+            .filter(jobs::alias.eq(alias))
+            .first::<JobMeta>(&self.conn)?;
+        Ok(result)
+    }
+
+    pub fn insert_agent(&self, agent: &Agent) -> ULocalResult<()> {
         use schema::agents;
         diesel::insert_into(agents::table)
             .values(agent)
+            .on_conflict(agents::id)
+            .do_update()
+            .set(agent)
             .execute(&self.conn)?;
         Ok(())
     }
@@ -80,7 +91,11 @@ impl UDB {
     }
 
     //TODO: filters possibly could work in a wrong way, check
-    pub fn get_exact_jobs(&self, uid: Option<Uuid>, personal: bool) -> ULocalResult<Vec<ExactJob>> {
+    pub fn get_exact_jobs(
+        &self,
+        uid: Option<Uuid>,
+        personal: bool,
+    ) -> ULocalResult<Vec<AssignedJob>> {
         use schema::results;
         let mut q = results::table.into_boxed();
         if uid.is_some() {
@@ -98,11 +113,11 @@ impl UDB {
                 .or_filter(results::job_id.eq(uid.unwrap()))
                 .or_filter(results::id.eq(uid.unwrap()))
         }
-        let result = q.load::<ExactJob>(&self.conn)?;
+        let result = q.load::<AssignedJob>(&self.conn)?;
         Ok(result)
     }
 
-    pub fn set_jobs_for_agent(&self, agent_uid: &Uuid, job_uids: &Vec<Uuid>) -> ULocalResult<()> {
+    pub fn set_jobs_for_agent(&self, agent_uid: &Uuid, job_uids: &[Uuid]) -> ULocalResult<()> {
         use schema::{agents::dsl::agents, jobs::dsl::jobs, results};
         if let Err(DslError::NotFound) = agents.find(agent_uid).first::<Agent>(&self.conn) {
             return Err(ULocalError::NotFound(agent_uid.to_string()));
@@ -122,12 +137,12 @@ impl UDB {
         }
         let job_requests = job_uids
             .iter()
-            .map(|job_uid| ExactJob {
+            .map(|job_uid| AssignedJob {
                 job_id: *job_uid,
                 agent_id: *agent_uid,
                 ..Default::default()
             })
-            .collect::<Vec<ExactJob>>();
+            .collect::<Vec<AssignedJob>>();
         diesel::insert_into(results::table)
             .values(&job_requests)
             .execute(&self.conn)?;
diff --git a/bin/u_server/src/handlers.rs b/bin/u_server/src/handlers.rs
index da95833..df6e58f 100644
--- a/bin/u_server/src/handlers.rs
+++ b/bin/u_server/src/handlers.rs
@@ -1,111 +1,142 @@
 use crate::db::{lock_db, UDB};
 use diesel::SaveChangesDsl;
-use std::fmt::Display;
+use hyper::Body;
+use serde::Serialize;
 use u_lib::{
-    messaging::{BaseMessage, ToMsg},
-    models::{ExactJob, IAgent, JobMeta, JobState},
+    messaging::{AsMsg, BaseMessage},
+    models::{Agent, AssignedJob, ExecResult, JobMeta, JobState},
     ULocalError,
 };
 use uuid::Uuid;
 use warp::{
     http::{Response, StatusCode},
-    reply::with_status,
     Rejection, Reply,
 };
 
-fn build_response<S: Display>(code: StatusCode, body: S) -> Result<Response<String>, Rejection> {
-    Ok(Response::builder()
-        .status(code)
-        .body(format!("{}", body))
-        .unwrap())
+fn build_response<S: Into<Body>>(code: StatusCode, body: S) -> Response<Body> {
+    Response::builder().status(code).body(body.into()).unwrap()
 }
 
-fn build_empty_200() -> Result<Response<String>, Rejection> {
-    build_response(StatusCode::OK, "")
+fn build_ok<S: Into<Body>>(body: S) -> Response<Body> {
+    build_response(StatusCode::OK, body)
 }
 
-pub async fn add_agent(msg: BaseMessage<'_, IAgent>) -> Result<impl Reply, Rejection> {
-    match lock_db().insert_agents(&msg.into_inner()) {
-        Ok(_) => build_empty_200(),
-        Err(e) => build_response(StatusCode::BAD_REQUEST, e),
-    }
+fn build_err<S: ToString>(body: S) -> Response<Body> {
+    build_response(StatusCode::BAD_REQUEST, body.to_string())
+}
+
+fn build_message<M: AsMsg + Serialize>(m: M) -> Response<Body> {
+    warp::reply::json(&m.as_message()).into_response()
+}
+
+pub async fn add_agent(msg: Agent) -> Result<impl Reply, Rejection> {
+    debug!("hnd: add_agent");
+    lock_db()
+        .insert_agent(&msg)
+        .map(|_| build_ok(""))
+        .or_else(|e| Ok(build_err(e)))
 }
 
 pub async fn get_agents(uid: Option<Uuid>) -> Result<impl Reply, Rejection> {
-    match lock_db().get_agents(uid) {
-        Ok(r) => Ok(warp::reply::json(&r.as_message())),
-        Err(e) => Err(warp::reject()),
-    }
+    debug!("hnd: get_agents");
+    lock_db()
+        .get_agents(uid)
+        .map(|m| build_message(m))
+        .or_else(|e| Ok(build_err(e)))
 }
 
 pub async fn get_jobs(uid: Option<Uuid>) -> Result<impl Reply, Rejection> {
-    match lock_db().get_jobs(uid) {
-        Ok(r) => Ok(warp::reply::json(&r.as_message())),
-        Err(e) => Err(warp::reject()),
-    }
+    debug!("hnd: get_jobs");
+    lock_db()
+        .get_jobs(uid)
+        .map(|m| build_message(m))
+        .or_else(|e| Ok(build_err(e)))
 }
 
 pub async fn get_agent_jobs(uid: Option<Uuid>, personal: bool) -> Result<impl Reply, Rejection> {
+    info!("hnd: get_agent_jobs {}", personal);
+    if personal {
+        let agents = lock_db().get_agents(uid).unwrap();
+        if agents.len() == 0 {
+            let db = lock_db();
+            db.insert_agent(&Agent::with_id(uid.unwrap())).unwrap();
+            let job = db.find_job_by_alias("agent_hello").unwrap();
+            if let Err(e) = db.set_jobs_for_agent(&uid.unwrap(), &[job.id]) {
+                return Ok(build_err(e));
+            }
+        }
+    }
     let result = lock_db().get_exact_jobs(uid, personal);
     match result {
         Ok(r) => {
-            let _db = lock_db();
+            let db = lock_db();
             for j in r.iter() {
-                _db.update_job_status(j.id, JobState::Running).ok();
+                db.update_job_status(j.id, JobState::Running).ok();
             }
-            Ok(warp::reply::json(&r.as_message()))
+            Ok(build_message(r))
         }
-        Err(e) => Err(warp::reject()),
+        Err(e) => Ok(build_err(e)),
     }
 }
 
 pub async fn upload_jobs(msg: BaseMessage<'_, Vec<JobMeta>>) -> Result<impl Reply, Rejection> {
-    match lock_db().insert_jobs(&msg.into_inner()) {
-        Ok(_) => build_empty_200(),
-        Err(e) => build_response(StatusCode::BAD_REQUEST, e),
-    }
+    debug!("hnd: upload_jobs");
+    lock_db()
+        .insert_jobs(&msg.into_inner())
+        .map(|_| build_ok(""))
+        .or_else(|e| Ok(build_err(e)))
 }
 
 pub async fn del(uid: Uuid) -> Result<impl Reply, Rejection> {
+    debug!("hnd: del");
     let db = lock_db();
     let del_fns = &[UDB::del_agents, UDB::del_jobs, UDB::del_results];
     for del_fn in del_fns {
         let affected = del_fn(&db, &vec![uid]).unwrap();
         if affected > 0 {
-            return build_response(StatusCode::OK, affected);
+            return Ok(build_ok(affected.to_string()));
         }
     }
-    build_response(StatusCode::BAD_REQUEST, 0)
+    Ok(build_err("0"))
 }
 
 pub async fn set_jobs(
     agent_uid: Uuid,
     msg: BaseMessage<'_, Vec<Uuid>>,
 ) -> Result<impl Reply, Rejection> {
-    match lock_db().set_jobs_for_agent(&agent_uid, &msg.into_inner()) {
-        Ok(_) => build_empty_200(),
-        Err(e) => build_response(StatusCode::BAD_REQUEST, e),
-    }
+    debug!("hnd: set_jobs");
+    lock_db()
+        .set_jobs_for_agent(&agent_uid, &msg.into_inner())
+        .map(|_| build_ok(""))
+        .or_else(|e| Ok(build_err(e)))
 }
 
-pub async fn report(msg: BaseMessage<'_, Vec<ExactJob>>) -> Result<impl Reply, Rejection> {
-    let db = lock_db();
+pub async fn report(msg: BaseMessage<'_, Vec<ExecResult>>) -> Result<impl Reply, Rejection> {
+    debug!("hnd: report");
     let id = msg.id;
     let mut failed = vec![];
-    for res in msg.into_inner() {
-        if id != res.agent_id {
-            continue;
-        }
-        if let Err(e) = res
-            .save_changes::<ExactJob>(&db.conn)
-            .map_err(ULocalError::from)
-        {
-            failed.push(e.to_string())
+    for entry in msg.into_inner() {
+        match entry {
+            ExecResult::Assigned(res) => {
+                if id != res.agent_id {
+                    continue;
+                }
+                let db = lock_db();
+                if let Err(e) = res
+                    .save_changes::<AssignedJob>(&db.conn)
+                    .map_err(ULocalError::from)
+                {
+                    failed.push(e.to_string())
+                }
+            }
+            ExecResult::Agent(a) => {
+                add_agent(a).await?;
+            }
         }
     }
     if failed.len() > 0 {
         let err_msg = ULocalError::ProcessingError(failed.join(", "));
-        return build_response(StatusCode::BAD_REQUEST, err_msg);
+        return Ok(build_err(err_msg));
     }
-    build_empty_200()
+    Ok(build_ok(""))
 }
diff --git a/bin/u_server/src/main.rs b/bin/u_server/src/main.rs
index d6453df..c606e09 100644
--- a/bin/u_server/src/main.rs
+++ b/bin/u_server/src/main.rs
@@ -1,26 +1,40 @@
 mod db;
 mod handlers;
 
-use warp::{body, Filter, Rejection, Reply};
+use warp::{body, Filter, Rejection};
 
-extern crate env_logger;
+#[macro_use]
 extern crate log;
+extern crate env_logger;
 
 use db::lock_db;
 use serde::de::DeserializeOwned;
-use u_lib::{api::Paths, config::MASTER_PORT, models::*};
+use u_lib::{
+    config::MASTER_PORT,
+    messaging::{AsMsg, BaseMessage},
+    models::*,
+};
 use uuid::Uuid;
 
 fn get_content<M>() -> impl Filter<Extract = (BaseMessage<'static, M>,), Error = Rejection> + Clone
 where
-    M: ToMsg + Sync + Send + DeserializeOwned + 'static,
+    M: AsMsg + Sync + Send + DeserializeOwned + 'static,
 {
     body::content_length_limit(1024 * 64).and(body::json::<BaseMessage<M>>())
 }
 
+fn prefill_jobs() {
+    let agent_hello = JobMeta::builder()
+        .with_type(misc::JobType::Manage)
+        .with_alias("agent_hello")
+        .build()
+        .unwrap();
+    lock_db().insert_jobs(&[agent_hello]).ok();
+}
+
 fn init() {
     env_logger::init();
-    lock_db();
+    prefill_jobs();
 }
 
 #[tokio::main]
@@ -28,13 +42,8 @@ async fn main() {
     init();
     let infallible_none = |_| async { Ok::<(Option<Uuid>,), std::convert::Infallible>((None,)) };
 
-    let new_agent = warp::post()
-        .and(warp::path(Paths::init))
-        .and(get_content::<IAgent>())
-        .and_then(handlers::add_agent);
-
     let get_agents = warp::get()
-        .and(warp::path(Paths::get_agents))
+        .and(warp::path("get_agents"))
         .and(
             warp::path::param::<Uuid>()
                 .map(Some)
@@ -43,12 +52,12 @@ async fn main() {
         .and_then(handlers::get_agents);
 
     let upload_jobs = warp::post()
-        .and(warp::path(Paths::upload_jobs))
+        .and(warp::path("upload_jobs"))
         .and(get_content::<Vec<JobMeta>>())
         .and_then(handlers::upload_jobs);
 
     let get_jobs = warp::get()
-        .and(warp::path(Paths::get_jobs))
+        .and(warp::path("get_jobs"))
         .and(
             warp::path::param::<Uuid>()
                 .map(Some)
@@ -57,7 +66,7 @@ async fn main() {
         .and_then(handlers::get_jobs);
 
     let get_agent_jobs = warp::get()
-        .and(warp::path(Paths::get_agent_jobs))
+        .and(warp::path("get_agent_jobs"))
         .and(
             warp::path::param::<Uuid>()
                 .map(Some)
@@ -66,32 +75,28 @@ async fn main() {
         .and_then(|uid| handlers::get_agent_jobs(uid, false));
 
     let get_personal_jobs = warp::get()
-        .and(warp::path(Paths::get_agent_jobs))
+        .and(warp::path("get_agent_jobs"))
         .and(warp::path::param::<Uuid>().map(Some))
         .and_then(|uid| handlers::get_agent_jobs(uid, true));
 
     let del = warp::get()
-        .and(warp::path(Paths::del))
+        .and(warp::path("del"))
         .and(warp::path::param::<Uuid>())
         .and_then(handlers::del);
 
     let set_jobs = warp::post()
-        .and(warp::path(Paths::set_jobs))
+        .and(warp::path("set_jobs"))
         .and(warp::path::param::<Uuid>())
         .and(get_content::<Vec<Uuid>>())
         .and_then(handlers::set_jobs);
 
     let report = warp::post()
-        .and(warp::path(Paths::report))
-        .and(get_content::<Vec<ExactJob>>())
-        .and_then(handlers::report);
+        .and(warp::path("report"))
+        .and(get_content::<Vec<ExecResult>>().and_then(handlers::report));
 
     let auth_token = warp::header::exact("authorization", "Bearer 123qwe");
 
-    let agent_zone = new_agent
-        .or(get_jobs.clone())
-        .or(get_personal_jobs)
-        .or(report);
+    let agent_zone = get_jobs.clone().or(get_personal_jobs).or(report);
 
     let auth_zone = auth_token.and(
         get_agents
@@ -107,7 +112,7 @@ async fn main() {
         .run(([0, 0, 0, 0], MASTER_PORT))
         .await;
 }
-
+/*
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -117,3 +122,4 @@ mod tests {
         }
     */
 }
+*/
diff --git a/diesel.toml b/diesel.toml
index 6693302..7fa37e0 100644
--- a/diesel.toml
+++ b/diesel.toml
@@ -3,4 +3,4 @@
 
 [print_schema]
 file = "lib/u_lib/src/models/schema.rs"
-import_types = ["diesel::sql_types::*", "crate::*"]
\ No newline at end of file
+import_types = ["crate::schema_exports::*"]
\ No newline at end of file
diff --git a/lib/u_api_proc_macro/Cargo.toml b/lib/u_api_proc_macro/Cargo.toml
new file mode 100644
index 0000000..c0e8456
--- /dev/null
+++ b/lib/u_api_proc_macro/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "u_api_proc_macro"
+version = "0.1.0"
+authors = ["plazmoid <kronos44@mail.ru>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+proc-macro = true
+
+[dependencies]
+syn = { version = "1.0", features = ["full", "extra-traits"] }
+quote = "1.0"
+strum = { version = "0.20", features = ["derive"] }
+proc-macro2 = "1.0"
\ No newline at end of file
diff --git a/lib/u_api_proc_macro/src/lib.rs b/lib/u_api_proc_macro/src/lib.rs
new file mode 100644
index 0000000..46f1efa
--- /dev/null
+++ b/lib/u_api_proc_macro/src/lib.rs
@@ -0,0 +1,179 @@
+use proc_macro::TokenStream;
+use proc_macro2::{Ident, TokenStream as TokenStream2};
+use quote::quote;
+use std::{collections::HashMap, str::FromStr};
+use strum::EnumString;
+use syn::{
+    parse_macro_input, punctuated::Punctuated, AttributeArgs, FnArg, ItemFn, Lit, NestedMeta,
+    ReturnType, Signature, Token, Type,
+};
+
+#[derive(EnumString, Debug)]
+enum ReqMethod {
+    GET,
+    POST,
+}
+
+#[derive(Debug)]
+struct Endpoint {
+    method: ReqMethod,
+}
+
+#[derive(Debug)]
+struct FnArgs {
+    url_param: Option<Type>,
+    payload: Option<Type>,
+}
+
+#[proc_macro_attribute]
+pub fn api_route(args: TokenStream, item: TokenStream) -> TokenStream {
+    let args: AttributeArgs = parse_macro_input!(args);
+    let input: ItemFn = parse_macro_input!(item);
+    let Signature {
+        ident,
+        inputs,
+        generics,
+        output,
+        ..
+    } = input.sig;
+    let (impl_generics, _, _) = generics.split_for_impl();
+    let FnArgs { url_param, payload } = parse_fn_args(inputs);
+    let Endpoint { method } = parse_attr_args(args);
+    let url_path = build_url_path(&ident, &url_param);
+    let return_ty = match output {
+        ReturnType::Type(_, ty) => quote!(#ty),
+        ReturnType::Default => quote!(()),
+    };
+    let request = match method {
+        ReqMethod::GET => build_get(url_path),
+        ReqMethod::POST => build_post(url_path, &payload),
+    };
+    let url_param = match url_param {
+        Some(p) => quote!(, param: #p),
+        None => TokenStream2::new(),
+    };
+    let payload = match payload {
+        Some(p) => quote!(, payload: #p),
+        None => TokenStream2::new(),
+    };
+    let q = quote! {
+        pub async fn #ident #impl_generics(
+            &self #url_param #payload
+        ) -> UResult<#return_ty> {
+            let request = {
+                #request
+            };
+            let response = request.send().await?;
+            let content_len = response.content_length();
+            let is_success = match response.error_for_status_ref() {
+                Ok(_) => Ok(()),
+                Err(e) => Err(UError::from(e))
+            };
+            match is_success {
+                Ok(_) => response.json::<BaseMessage<#return_ty>>()
+                    .await
+                    .map(|msg| msg.into_inner())
+                    .or_else(|e| {
+                        match content_len {
+                            Some(0) => Ok(Default::default()),
+                            _ => Err(UError::from(e))
+                        }
+                    }),
+                Err(UError::NetError(err_src, _)) => Err(
+                    UError::NetError(
+                        err_src,
+                        response.text().await.unwrap()
+                    )
+                ),
+                _ => unreachable!()
+            }
+        }
+    };
+    //eprintln!("#!#! RESULT:\n{}", q);
+    q.into()
+}
+
+fn parse_fn_args(raw: Punctuated<FnArg, Token![,]>) -> FnArgs {
+    let mut arg: HashMap<String, Type> = raw
+        .into_iter()
+        .filter_map(|arg| {
+            if let FnArg::Typed(argt) = arg {
+                let mut arg_name = String::new();
+                // did you think I won't overplay you? won't destroy?
+                |arg_ident| -> TokenStream {
+                    let q: TokenStream = quote!(#arg_ident).into();
+                    arg_name = parse_macro_input!(q as Ident).to_string();
+                    TokenStream::new()
+                }(argt.pat);
+                if &arg_name != "url_param" && &arg_name != "payload" {
+                    panic!("Wrong arg name: {}", &arg_name)
+                }
+                let arg_type = *argt.ty.clone();
+                Some((arg_name, arg_type))
+            } else {
+                None
+            }
+        })
+        .collect();
+    FnArgs {
+        url_param: arg.remove("url_param"),
+        payload: arg.remove("payload"),
+    }
+}
+
+fn build_get(url: TokenStream2) -> TokenStream2 {
+    quote! {
+        let request = self.build_get(#url);
+        request
+    }
+}
+
+fn build_post(url: TokenStream2, payload: &Option<Type>) -> TokenStream2 {
+    let pld = match payload {
+        Some(_) => quote! {
+            .json(&payload.as_message())
+        },
+        None => TokenStream2::new(),
+    };
+    quote! {
+        let request = self.build_post(#url);
+        request #pld
+    }
+}
+
+fn build_url_path(path: &Ident, url_param: &Option<Type>) -> TokenStream2 {
+    let url_param = match url_param {
+        Some(_) => quote! {
+            + &opt_to_string(param)
+        },
+        None => TokenStream2::new(),
+    };
+    quote! {
+        &format!(
+            "{}/{}",
+            stringify!(#path),
+            String::new() #url_param
+        )
+    }
+}
+
+fn parse_attr_args(args: AttributeArgs) -> Endpoint {
+    let mut args = args.into_iter();
+    let method = match args.next() {
+        Some(method) => match method {
+            NestedMeta::Lit(l) => {
+                if let Lit::Str(s) = l {
+                    match ReqMethod::from_str(&s.value()) {
+                        Ok(v) => v,
+                        Err(_) => panic!("Unknown method"),
+                    }
+                } else {
+                    panic!("Method must be a str")
+                }
+            }
+            _ => panic!("Method must be on the first place"),
+        },
+        None => panic!("Method required"),
+    };
+    Endpoint { method }
+}
diff --git a/lib/u_api_proc_macro/tests/tests.rs b/lib/u_api_proc_macro/tests/tests.rs
new file mode 100644
index 0000000..7c4b404
--- /dev/null
+++ b/lib/u_api_proc_macro/tests/tests.rs
@@ -0,0 +1,15 @@
+/*
+use std::fmt::Display;
+use u_api_proc_macro::api_route;
+
+type UResult<T, E> = Result<T, E>;
+
+struct ClientHandler;
+struct Paths;
+
+#[test]
+fn test1() {
+    #[api_route("GET", Uuid)]
+    fn list<T: Display>(url_param: T) {}
+}
+*/
diff --git a/lib/u_lib/Cargo.toml b/lib/u_lib/Cargo.toml
index 231741e..295b216 100644
--- a/lib/u_lib/Cargo.toml
+++ b/lib/u_lib/Cargo.toml
@@ -23,7 +23,12 @@ diesel-derive-enum = { version = "1", features = ["postgres"] }
 chrono = "0.4.19"
 strum = { version = "0.20", features = ["derive"] }
 once_cell = "1.7.2"
+shlex = "1.0.0"
+u_api_proc_macro = { version = "*", path = "../u_api_proc_macro" }
 
 [dependencies.diesel]
 version = "1.4.5"
-features = ["postgres", "uuid"]
\ No newline at end of file
+features = ["postgres", "uuid"]
+
+[dev-dependencies]
+test-case = "1.1.0"
\ No newline at end of file
diff --git a/lib/u_lib/src/api.rs b/lib/u_lib/src/api.rs
index bf143b8..5e0cd3c 100644
--- a/lib/u_lib/src/api.rs
+++ b/lib/u_lib/src/api.rs
@@ -1,127 +1,16 @@
 #[allow(non_upper_case_globals)]
 use crate::{
     config::{MASTER_PORT, MASTER_SERVER},
+    messaging::{AsMsg, BaseMessage},
     models::*,
     utils::opt_to_string,
     UError, UResult,
 };
 use reqwest::{Client, RequestBuilder, Url};
 use std::{net::Ipv4Addr, str::FromStr};
+use u_api_proc_macro::api_route;
 use uuid::Uuid;
 
-pub struct Paths;
-
-#[macro_export]
-macro_rules! build_url_by_method {
-    (
-        POST $path:tt,
-        pname = $($param_name:literal)?,
-        ptype = $($param_type:ty)?,
-        urlparam = $($url_param:ty)?
-    ) => {
-        |
-        instance: &ClientHandler
-        $(, param: &$param_type)?
-        $(, url: Option<&$url_param>)?
-        | {
-            let request = ClientHandler::build_post(
-                instance,
-                &format!("{}/{}",
-                    stringify!($path),
-                    String::new()
-                    $(+
-                        &opt_to_string(url as Option<&$url_param>)
-                    )?
-                )
-            );
-            request
-                $( .json::<BaseMessage<'_, $param_type>>(&param.as_message()) )?
-        }
-    };
-    (
-        GET $path:tt,
-        pname = $($param_name:literal)?,
-        ptype = $($param_type:ty)?,
-        urlparam = $($url_param:ty)?
-    ) => {
-        |
-        instance: &ClientHandler
-        $(, param: &$param_type)?
-        $(, url: Option<&$url_param>)?
-        | {
-            let request = ClientHandler::build_get(
-                instance,
-                &format!("{}/{}",
-                    stringify!($path),
-                    String::new()
-                    $(+
-                        &opt_to_string(url as Option<&$url_param>)
-                    )?
-                )
-            );
-            request
-                $( .query(&[(stringify!($param_name), param.to_string())]) )?
-        }
-    };
-}
-
-// param_type and result must impl ToMsg
-#[macro_export]
-macro_rules! build_handler {
-    (
-        $method:tt
-        $path:tt $( /$url_param:tt )? (
-            $( $param_name:literal: )?
-            $( $param_type:ty )?
-        ) -> $result:ty
-    ) => {
-        impl ClientHandler {
-            pub async fn $path(
-                &self
-                $(, param: &$param_type)?
-                $(, url_param: Option<&$url_param>)?
-            ) -> UResult<$result> {
-                let request = $crate::build_url_by_method!(
-                    $method $path,
-                    pname = $($param_name)?, ptype = $($param_type)?, urlparam = $($url_param)?
-                )(
-                    self
-                    $(, param as &$param_type)?
-                    $(, url_param as Option<&$url_param>)?
-                );
-                let response = request.send().await?;
-                let content_len = response.content_length();
-                let is_success = match response.error_for_status_ref() {
-                    Ok(_) => Ok(()),
-                    Err(e) => Err(UError::from(e))
-                };
-                match is_success {
-                    Ok(_) => response.json::<BaseMessage<$result>>()
-                        .await
-                        .map(|msg| msg.into_inner())
-                        .or_else(|e| {
-                            match content_len {
-                                Some(0) => Ok(Default::default()),
-                                _ => Err(UError::from(e))
-                            }
-                        }),
-                    Err(UError::NetError(err_src, _)) => Err(
-                        UError::NetError(
-                            err_src,
-                            response.text().await.unwrap()
-                        )
-                    ),
-                    _ => unreachable!()
-                }
-            }
-        }
-
-        impl Paths {
-            pub const $path: &'static str = stringify!($path);
-        }
-    };
-}
-
 pub struct ClientHandler {
     base_url: Url,
     client: Client,
@@ -161,25 +50,33 @@ impl ClientHandler {
         let rb = self.client.post(self.base_url.join(url).unwrap());
         self.set_pwd(rb)
     }
+    //
+    // get jobs for client
+    #[api_route("GET")]
+    fn get_agent_jobs(&self, url_param: Option<Uuid>) -> Vec<AssignedJob> {}
+    //
+    // send something to server
+    #[api_route("POST")]
+    fn report<M: AsMsg>(&self, payload: &M) {}
+
+    //#/////////#// Admin area //#////////#//
+    /// client listing
+    #[api_route("GET")]
+    fn get_agents(&self, url_param: Option<Uuid>) -> Vec<Agent> {}
+    //
+    // get all available jobs
+    #[api_route("GET")]
+    fn get_jobs(&self, url_param: Option<Uuid>) -> Vec<JobMeta> {}
+    //
+    // create and upload job
+    #[api_route("POST")]
+    fn upload_jobs(&self, payload: &Vec<JobMeta>) {}
+    //
+    // delete something
+    #[api_route("GET")]
+    fn del(&self, url_param: Option<Uuid>) -> String {}
+    //
+    // set jobs for client
+    #[api_route("POST")]
+    fn set_jobs(&self, url_param: Option<Uuid>, payload: &Vec<Uuid>) {}
 }
-//////////////////
-// method basic_path(json/query param; additional_url_param) -> return value
-// A - admin only
-//////////////////
-// client listing (A)
-build_handler!(GET get_agents/Uuid() -> Vec<Agent>);
-// get jobs for client
-build_handler!(GET get_agent_jobs/Uuid() -> Vec<ExactJob>);
-// get all available jobs (A)
-build_handler!(GET get_jobs/Uuid() -> Vec<JobMeta>);
-// add client to server's db
-build_handler!(POST init(IAgent) -> ());
-// create and upload job (A)
-build_handler!(POST upload_jobs(Vec<JobMeta>) -> ());
-// delete something (A)
-build_handler!(GET del/Uuid() -> String);
-// set jobs for client (A)
-// POST /set_jobs/Uuid json: Vec<Uuid>
-build_handler!(POST set_jobs/Uuid(Vec<Uuid>) -> ());
-// report job result
-build_handler!(POST report(Vec<ExactJob>) -> ());
diff --git a/lib/u_lib/src/builder.rs b/lib/u_lib/src/builder.rs
new file mode 100644
index 0000000..7948b33
--- /dev/null
+++ b/lib/u_lib/src/builder.rs
@@ -0,0 +1,146 @@
+use crate::{
+    cache::JobCache,
+    executor::{FutRes, Waiter, DynFut},
+    models::{Agent, AssignedJob, JobMeta, JobType},
+    utils::{CombinedResult, OneOrMany},
+    UError,
+};
+use guess_host_triple::guess_host_triple;
+use std::collections::HashMap;
+
+pub struct JobBuilder {
+    jobs: Waiter,
+}
+
+impl JobBuilder {
+    pub fn from_request<J: OneOrMany<AssignedJob>>(job_requests: J) -> CombinedResult<Self> {
+        let job_requests = job_requests.into_vec();
+        let mut prepared: Vec<DynFut> = vec![];
+        let mut result = CombinedResult::new();
+        for req in job_requests {
+            let job_meta = JobCache::get(&req.job_id);
+            if job_meta.is_none() {
+                result.err(UError::NoJob(req.job_id));
+                continue;
+            }
+            let job_meta = job_meta.unwrap();
+            let built_req = (|| {
+                Ok(match job_meta.exec_type {
+                    JobType::Shell => {
+                        let meta = JobCache::get(&req.job_id).ok_or(UError::NoJob(req.job_id))?;
+                        let curr_platform = guess_host_triple().unwrap_or("unknown").to_string();
+                        if meta.platform != curr_platform {
+                            return Err(UError::InsuitablePlatform(
+                                meta.platform.clone(),
+                                curr_platform,
+                            ));
+                        }
+                        let job = AssignedJob::new(req.job_id, Some(&req));
+                        prepared.push(Box::pin(job.run()))
+                    }
+                    JobType::Manage => prepared.push(Box::pin(Agent::run())),
+                    _ => todo!(),
+                })
+            })();
+            if let Err(e) = built_req {
+                result.err(e)
+            }
+        }
+        result.ok(Self {
+            jobs: Waiter::new(prepared),
+        });
+        result
+    }
+
+    pub fn from_meta<J: OneOrMany<JobMeta>>(job_metas: J) -> CombinedResult<Self> {
+        let job_requests = job_metas
+            .into_vec()
+            .into_iter()
+            .map(|jm| {
+                let j_uid = jm.id;
+                JobCache::insert(jm);
+                AssignedJob::new(j_uid, None)
+            })
+            .collect::<Vec<AssignedJob>>();
+        JobBuilder::from_request(job_requests)
+    }
+
+    /// Spawn jobs and pop results later
+    pub async fn spawn(mut self) -> Self {
+        self.jobs = self.jobs.spawn().await;
+        self
+    }
+
+    /// Spawn jobs and wait for result
+    pub async fn wait(self) -> Vec<FutRes> {
+        self.jobs.spawn().await.wait().await
+    }
+
+    /// Spawn one job and wait for result
+    pub async fn wait_one(self) -> FutRes {
+        self.jobs.spawn().await.wait().await.pop().unwrap()
+    }
+}
+
+/// Store jobs and get results by name
+pub struct NamedJobBuilder {
+    builder: Option<JobBuilder>,
+    job_names: Vec<&'static str>,
+    results: HashMap<&'static str, FutRes>,
+}
+
+impl NamedJobBuilder {
+    pub fn from_shell<J: OneOrMany<(&'static str, &'static str)>>(
+        named_jobs: J,
+    ) -> CombinedResult<Self> {
+        let mut result = CombinedResult::new();
+        let jobs: Vec<(&'static str, JobMeta)> = named_jobs
+            .into_vec()
+            .into_iter()
+            .filter_map(
+                |(alias, cmd)| match JobMeta::builder().with_shell(cmd).build() {
+                    Ok(meta) => Some((alias, meta)),
+                    Err(e) => {
+                        result.err(e);
+                        None
+                    }
+                },
+            )
+            .collect();
+        result.ok(Self::from_meta(jobs));
+        result
+    }
+
+    pub fn from_meta<J: OneOrMany<(&'static str, JobMeta)>>(named_jobs: J) -> Self {
+        let mut job_names = vec![];
+        let job_metas: Vec<JobMeta> = named_jobs
+            .into_vec()
+            .into_iter()
+            .map(|(alias, meta)| {
+                job_names.push(alias);
+                meta
+            })
+            .collect();
+        Self {
+            builder: Some(JobBuilder::from_meta(job_metas).unwrap_one()),
+            job_names,
+            results: HashMap::new(),
+        }
+    }
+
+    pub async fn wait(mut self) -> Self {
+        let results = self.builder.take().unwrap().wait().await;
+        for (name, result) in self.job_names.iter().zip(results.into_iter()) {
+            self.results.insert(name, result);
+        }
+        self
+    }
+
+    pub fn pop_opt(&mut self, name: &'static str) -> Option<FutRes> {
+        self.results.remove(name)
+    }
+
+    pub fn pop(&mut self, name: &'static str) -> FutRes {
+        self.pop_opt(name).unwrap()
+    }
+}
diff --git a/lib/u_lib/src/models/jobs/cache.rs b/lib/u_lib/src/cache.rs
similarity index 100%
rename from lib/u_lib/src/models/jobs/cache.rs
rename to lib/u_lib/src/cache.rs
diff --git a/lib/u_lib/src/errors.rs b/lib/u_lib/src/errors.rs
index 799ee3d..a180311 100644
--- a/lib/u_lib/src/errors.rs
+++ b/lib/u_lib/src/errors.rs
@@ -21,6 +21,9 @@ pub enum UError {
     #[error("Job error: {0}")]
     JobError(String),
 
+    #[error("Argument parsing failed: {0}")]
+    JobArgsError(&'static str),
+
     #[error("Job is uncompleted yet")]
     JobUncompleted,
 
@@ -31,7 +34,7 @@ pub enum UError {
     NoJob(Uuid),
 
     #[error("Error opening {0}: {1}")]
-    FilesystemError(String, String),
+    FSError(String, String),
 }
 
 impl From<ReqError> for UError {
diff --git a/lib/u_lib/src/executor.rs b/lib/u_lib/src/executor.rs
index 05fad1b..c4d6492 100644
--- a/lib/u_lib/src/executor.rs
+++ b/lib/u_lib/src/executor.rs
@@ -1,13 +1,7 @@
-// list of jobs: job (cmd, args) OR rust fn OR python func + cron-like timing tokoi::time::interval:
-// job runner (thread)
-// every job runs in other thread/process
-
-use crate::{models::*, utils::OneOrMany, UResult};
-
-use std::collections::HashMap;
-
+use crate::{utils::OneOrMany, models::ExecResult};
 use futures::{future::BoxFuture, lock::Mutex};
 use lazy_static::lazy_static;
+use std::{collections::HashMap};
 use tokio::{
     spawn,
     sync::mpsc::{channel, Receiver, Sender},
@@ -15,7 +9,7 @@ use tokio::{
 };
 use uuid::Uuid;
 
-pub type FutRes = UResult<ExactJob>;
+pub type FutRes = ExecResult;
 pub type DynFut = BoxFuture<'static, FutRes>;
 
 lazy_static! {
@@ -27,16 +21,16 @@ lazy_static! {
     };
 }
 
-fn get_sender() -> Sender<Uuid> {
-    FUT_CHANNEL.0.clone()
-}
-
 struct JoinInfo {
     handle: JoinHandle<FutRes>,
     completed: bool,
     collectable: bool, // indicates if future can be popped from pool via pop_task_if_completed
 }
 
+fn get_sender() -> Sender<Uuid> {
+    FUT_CHANNEL.0.clone()
+}
+
 pub struct Waiter {
     tasks: Vec<DynFut>,
     fids: Vec<Uuid>,
@@ -62,14 +56,11 @@ impl Waiter {
                 tx.send(fid).await.unwrap();
                 result
             };
-            debug!("before JoinInfo");
             let handle = JoinInfo {
                 handle: spawn(task_wrapper),
                 completed: false,
                 collectable,
             };
-            debug!("before push: {}", fid);
-            //spawn(async {}).await.ok();
             FUT_RESULTS.lock().await.insert(fid, handle);
         }
         self
@@ -88,14 +79,6 @@ impl Waiter {
         }
         result
     }
-
-    pub async fn run_until_complete(self) -> Vec<FutRes> {
-        self.spawn().await.wait().await
-    }
-
-    pub async fn run_one_until_complete(self) -> FutRes {
-        self.run_until_complete().await.pop().unwrap()
-    }
 }
 
 async fn init_receiver() {
@@ -113,8 +96,12 @@ async fn init_receiver() {
 async fn pop_task(fid: Uuid) -> Option<JoinInfo> {
     FUT_RESULTS.lock().await.remove(&fid)
 }
-
-async fn pop_task_if_completed(fid: Uuid) -> Option<FutRes> {
+/*
+async fn insert_task(fid: Uuid) {
+    FUT_RESULTS.lock().await.remove(&fid)
+}
+*/
+pub async fn pop_task_if_completed(fid: Uuid) -> Option<FutRes> {
     let &mut JoinInfo {
         handle: _,
         collectable,
@@ -132,8 +119,8 @@ async fn pop_task_if_completed(fid: Uuid) -> Option<FutRes> {
     }
 }
 
-pub async fn pop_completed() -> Vec<FutRes> {
-    let mut completed: Vec<FutRes> = vec![];
+pub async fn pop_completed() -> Vec<ExecResult> {
+    let mut completed: Vec<ExecResult> = vec![];
     let fids = FUT_RESULTS
         .lock()
         .await
@@ -142,7 +129,7 @@ pub async fn pop_completed() -> Vec<FutRes> {
         .collect::<Vec<Uuid>>();
     for fid in fids {
         if let Some(r) = pop_task_if_completed(fid).await {
-            completed.push(r);
+            completed.push(r)
         }
     }
     completed
diff --git a/lib/u_lib/src/lib.rs b/lib/u_lib/src/lib.rs
index 548b99c..d615391 100644
--- a/lib/u_lib/src/lib.rs
+++ b/lib/u_lib/src/lib.rs
@@ -1,5 +1,7 @@
 #![allow(non_upper_case_globals)]
 pub mod api;
+pub mod builder;
+pub mod cache;
 pub mod config;
 pub mod errors;
 pub mod executor;
@@ -9,7 +11,11 @@ pub mod utils;
 
 pub use config::UID;
 pub use errors::{UError, ULocalError, ULocalResult, UResult};
-pub use models::{Jobstate, Jobtype}; // for schema
+
+pub mod schema_exports {
+    pub use crate::models::{Agentstate, Jobstate, Jobtype};
+    pub use diesel::sql_types::*;
+}
 
 #[macro_use]
 extern crate lazy_static;
diff --git a/lib/u_lib/src/messaging.rs b/lib/u_lib/src/messaging.rs
index e026739..7d7a34c 100644
--- a/lib/u_lib/src/messaging.rs
+++ b/lib/u_lib/src/messaging.rs
@@ -1,43 +1,54 @@
-use serde::{
-    Serialize,
-    Deserialize,
-};
-use std::{
-    borrow::Cow,
-};
+use crate::UID;
+use serde::{Deserialize, Serialize};
+use std::borrow::Cow;
 use uuid::Uuid;
-use crate::{UID};
 
-//this is only for impl From<T> for Cow<T>
 pub struct Moo<'cow, T: Clone>(pub Cow<'cow, T>);
 
-pub trait ToMsg: Clone {
+pub trait AsMsg: Clone + Serialize {
     fn as_message<'m>(&'m self) -> BaseMessage<'m, Self>
-    where Moo<'m, Self>: From<&'m Self> {
+    where
+        Moo<'m, Self>: From<&'m Self>,
+    {
         BaseMessage::new(self)
     }
 }
 
+impl<'cow, M: AsMsg> From<M> for Moo<'cow, M> {
+    #[inline]
+    fn from(obj: M) -> Moo<'cow, M> {
+        Moo(Cow::Owned(obj))
+    }
+}
+
+impl<'cow, M: AsMsg> From<&'cow M> for Moo<'cow, M> {
+    #[inline]
+    fn from(obj: &'cow M) -> Moo<'cow, M> {
+        Moo(Cow::Borrowed(obj))
+    }
+}
+
+impl<M: AsMsg> AsMsg for Vec<M> {}
+
 #[derive(Serialize, Deserialize, Debug)]
-pub struct BaseMessage<'cow, I>
-where I: ToMsg {
+pub struct BaseMessage<'cow, I: AsMsg> {
     pub id: Uuid,
-    inner: Cow<'cow, I>
+    inner: Cow<'cow, I>,
 }
 
-impl<'cow, I> BaseMessage<'cow, I>
-    where I: ToMsg
-{
+impl<'cow, I: AsMsg> BaseMessage<'cow, I> {
     pub fn new<C>(inner: C) -> Self
-    where C: Into<Moo<'cow, I>> {
+    where
+        C: Into<Moo<'cow, I>>,
+    {
         let Moo(inner) = inner.into();
         Self {
             id: UID.clone(),
-            inner
+            inner,
         }
     }
 
     pub fn into_inner(self) -> I {
         self.inner.into_owned()
     }
-}
\ No newline at end of file
+}
diff --git a/lib/u_lib/src/models/agent.rs b/lib/u_lib/src/models/agent.rs
index 61bc57b..fe213b9 100644
--- a/lib/u_lib/src/models/agent.rs
+++ b/lib/u_lib/src/models/agent.rs
@@ -1,22 +1,33 @@
-use diesel::{Identifiable, Insertable, Queryable};
+use diesel::{AsChangeset, Identifiable, Insertable, Queryable};
+use diesel_derive_enum::DbEnum;
 use serde::{Deserialize, Serialize};
-use std::fmt;
-use std::time::SystemTime;
+use std::{fmt, time::SystemTime};
+use strum::Display;
 
 use crate::{
-    models::{
-        jobs::{build_jobs, JobMeta, JobOutput},
-        schema::*,
-    },
-    utils::{systime_to_string, vec_to_string},
+    builder::NamedJobBuilder,
+    models::{schema::*, ExecResult},
+    unwrap_enum,
+    utils::systime_to_string,
     UID,
 };
 
 use guess_host_triple::guess_host_triple;
 use uuid::Uuid;
 
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, DbEnum, Display)]
+#[PgType = "AgentState"]
+#[DieselType = "Agentstate"]
+pub enum AgentState {
+    New,
+    Active,
+    Banned,
+}
+
 //belongs_to
-#[derive(Clone, Debug, Serialize, Deserialize, Identifiable, Queryable)]
+#[derive(
+    Clone, Debug, Serialize, Deserialize, Identifiable, Queryable, Insertable, AsChangeset,
+)]
 #[table_name = "agents"]
 pub struct Agent {
     pub alias: Option<String>,
@@ -27,7 +38,7 @@ pub struct Agent {
     pub last_active: SystemTime,
     pub platform: String,
     pub regtime: SystemTime,
-    pub status: Option<String>,
+    pub state: AgentState,
     pub token: Option<String>,
     pub username: String,
 }
@@ -38,56 +49,69 @@ impl fmt::Display for Agent {
         if self.alias.is_some() {
             out += &format!(" ({})", self.alias.as_ref().unwrap())
         }
+        out += &format!("\nUsername: {}", self.username);
         out += &format!("\nHostname: {}", self.hostname);
         out += &format!("\nIs root: {}", self.is_root);
         out += &format!("\nRoot allowed: {}", self.is_root_allowed);
         out += &format!("\nLast active: {}", systime_to_string(&self.last_active));
         out += &format!("\nPlatform: {}", self.platform);
-        out += &format!("\nUsername: {}", self.username);
+        out += &format!("\nState: {}", self.state);
         write!(f, "{}", out)
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, Insertable)]
-#[table_name = "agents"]
-pub struct IAgent {
-    pub alias: Option<String>,
-    pub id: Uuid,
-    pub hostname: String,
-    pub is_root: bool,
-    pub is_root_allowed: bool,
-    pub platform: String,
-    pub status: Option<String>,
-    pub token: Option<String>,
-    pub username: String,
-}
+impl Agent {
+    pub fn with_id(uid: Uuid) -> Self {
+        Self {
+            id: uid,
+            ..Default::default()
+        }
+    }
 
-impl IAgent {
     pub async fn gather() -> Self {
-        async fn run_cmd_fast<S: Into<String>>(cmd: S) -> String {
-            let jm = JobMeta::from_shell(cmd);
-            let job_result = build_jobs(jm)
-                .run_one_until_complete()
-                .await
-                .unwrap()
-                .result
-                .unwrap();
-            JobOutput::from_raw(&job_result)
-                .map(|o| vec_to_string(&o.into_appropriate()))
-                .unwrap_or(String::from_utf8_lossy(&job_result).to_string())
+        let mut builder = NamedJobBuilder::from_shell(vec![
+            ("hostname", "hostname"),
+            ("is_root", "id -u"),
+            ("username", "id -un"),
+        ])
+        .unwrap_one()
+        .wait()
+        .await;
+        let decoder = |job_result: ExecResult| {
+            let assoc_job = unwrap_enum!(job_result, ExecResult::Assigned);
+            assoc_job.to_string_result().unwrap()
+        };
+
+        #[cfg(unix)]
+        Self {
+            hostname: decoder(builder.pop("hostname")),
+            is_root: &decoder(builder.pop("is_root")) == "0",
+            username: decoder(builder.pop("username")),
+            platform: guess_host_triple().unwrap_or("unknown").to_string(),
+            ..Default::default()
         }
+    }
 
+    pub async fn run() -> ExecResult {
         #[cfg(unix)]
+        ExecResult::Agent(Agent::gather().await)
+    }
+}
+
+impl Default for Agent {
+    fn default() -> Self {
         Self {
             alias: None,
             id: UID.clone(),
-            hostname: run_cmd_fast("hostname").await,
-            is_root: &run_cmd_fast("id -u").await == "0",
+            hostname: String::new(),
+            is_root: false,
             is_root_allowed: false,
-            platform: guess_host_triple().unwrap_or("Error").to_string(),
-            status: None, //wtf?
+            last_active: SystemTime::now(),
+            platform: String::new(),
+            regtime: SystemTime::now(),
+            state: AgentState::New,
             token: None,
-            username: run_cmd_fast("id -un").await,
+            username: String::new(),
         }
     }
 }
@@ -98,7 +122,7 @@ mod tests {
 
     #[tokio::test]
     async fn test_gather() {
-        let cli_info = IAgent::gather().await;
-        assert_eq!(&cli_info.username, "plazmoid")
+        let cli_info = Agent::gather().await;
+        assert_eq!(cli_info.alias, None)
     }
 }
diff --git a/lib/u_lib/src/models/jobs/assigned.rs b/lib/u_lib/src/models/jobs/assigned.rs
new file mode 100644
index 0000000..d9350c4
--- /dev/null
+++ b/lib/u_lib/src/models/jobs/assigned.rs
@@ -0,0 +1,143 @@
+use super::JobState;
+use crate::{
+    cache::JobCache,
+    models::{schema::*, ExecResult, JobOutput},
+    utils::{systime_to_string, TempFile},
+    UID,
+};
+use diesel::{Identifiable, Insertable, Queryable};
+use serde::{Deserialize, Serialize};
+use std::{fmt, process::Output, string::FromUtf8Error, time::SystemTime};
+use tokio::process::Command;
+use uuid::Uuid;
+
+#[derive(
+    Serialize, Deserialize, Clone, Debug, Queryable, Identifiable, Insertable, AsChangeset,
+)]
+#[table_name = "results"]
+pub struct AssignedJob {
+    pub agent_id: Uuid,
+    pub alias: Option<String>,
+    pub created: SystemTime,
+    pub id: Uuid,
+    pub job_id: Uuid,
+    pub result: Option<Vec<u8>>,
+    pub state: JobState,
+    pub retcode: Option<i32>,
+    pub updated: SystemTime,
+}
+
+impl fmt::Display for AssignedJob {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let mut out = format!("Result: {}", self.id);
+        out += &format!("\nAgent: {}", self.agent_id);
+        out += &format!("\nJob: {}", self.job_id);
+        if self.alias.is_some() {
+            out += &format!("\nAlias: {}", self.alias.as_ref().unwrap());
+        }
+        out += &format!("\nUpdated: {}", systime_to_string(&self.updated));
+        out += &format!("\nState: {}", self.state);
+        if self.state == JobState::Finished {
+            if self.retcode.is_some() {
+                out += &format!("\nReturn code: {}", self.retcode.unwrap());
+            }
+            if self.result.is_some() {
+                out += &format!(
+                    "\nResult: {}",
+                    String::from_utf8_lossy(self.result.as_ref().unwrap())
+                );
+            }
+        }
+        write!(f, "{}", out)
+    }
+}
+
+impl Default for AssignedJob {
+    fn default() -> Self {
+        Self {
+            agent_id: Uuid::nil(),
+            alias: None,
+            created: SystemTime::now(),
+            id: Uuid::new_v4(),
+            job_id: Uuid::nil(),
+            result: None,
+            state: JobState::Queued,
+            retcode: None,
+            updated: SystemTime::now(),
+        }
+    }
+}
+
+impl AssignedJob {
+    pub async fn run(mut self) -> ExecResult {
+        let (argv, _payload) = {
+            let meta = JobCache::get(&self.job_id).unwrap();
+            let extracted_payload = meta
+                .payload
+                .as_ref()
+                .and_then(|p| TempFile::write_exec(p).ok());
+            let argv = if let Some(ref p) = &extracted_payload {
+                meta.argv.replace("{}", &p.get_path())
+            } else {
+                meta.argv.clone()
+            };
+            (argv, extracted_payload)
+        };
+        let mut split_cmd = shlex::split(&argv).unwrap().into_iter();
+        let cmd = split_cmd.nth(0).unwrap();
+        let args = split_cmd.collect::<Vec<String>>();
+        let cmd_result = Command::new(cmd).args(args).output().await;
+        let (data, retcode) = match cmd_result {
+            Ok(Output {
+                status,
+                stdout,
+                stderr,
+            }) => (
+                JobOutput::new()
+                    .stdout(stdout)
+                    .stderr(stderr)
+                    .into_combined(),
+                status.code(),
+            ),
+            Err(e) => (
+                JobOutput::new()
+                    .stderr(e.to_string().into_bytes())
+                    .into_combined(),
+                None,
+            ),
+        };
+        self.result = Some(data);
+        self.retcode = retcode;
+        self.updated = SystemTime::now();
+        self.state = JobState::Finished;
+        ExecResult::Assigned(self)
+    }
+
+    pub fn new(job_id: Uuid, other: Option<&Self>) -> Self {
+        Self {
+            agent_id: *UID,
+            job_id,
+            ..other.unwrap_or(&Default::default()).clone()
+        }
+    }
+
+    pub fn as_job_output(&self) -> Option<JobOutput> {
+        self.result
+            .as_ref()
+            .and_then(|r| JobOutput::from_combined(r))
+    }
+
+    pub fn to_raw_result(&self) -> Vec<u8> {
+        match self.result.as_ref() {
+            Some(r) => match JobOutput::from_combined(r) {
+                Some(o) => o.to_appropriate(),
+                None => r.clone(),
+            },
+            None => b"No data".to_vec(),
+        }
+    }
+
+    pub fn to_string_result(&self) -> Result<String, FromUtf8Error> {
+        String::from_utf8(self.to_raw_result())
+    }
+}
diff --git a/lib/u_lib/src/models/jobs/builder.rs b/lib/u_lib/src/models/jobs/builder.rs
deleted file mode 100644
index 0b6bd1d..0000000
--- a/lib/u_lib/src/models/jobs/builder.rs
+++ /dev/null
@@ -1,116 +0,0 @@
-use super::{ExactJob, JobCache, JobMeta, JobOutput, JobState, JobType};
-use crate::{
-    executor::{DynFut, Waiter},
-    utils::OneOrMany,
-    UError, UResult,
-};
-use guess_host_triple::guess_host_triple;
-use std::{process::Output, time::SystemTime};
-use tokio::process::Command;
-use uuid::Uuid;
-
-pub struct Job {
-    exec_type: JobType,
-    payload: Option<Vec<u8>>,
-    result: ExactJob,
-}
-
-impl Job {
-    fn build(job_meta: &JobMeta, result_id: Uuid) -> UResult<Self> {
-        match job_meta.exec_type {
-            JobType::Shell => {
-                let curr_platform = guess_host_triple().unwrap_or("unknown").to_string();
-                if job_meta.platform != curr_platform {
-                    return Err(UError::InsuitablePlatform(
-                        job_meta.platform.clone(),
-                        curr_platform,
-                    ));
-                }
-                let job_meta = job_meta.clone();
-                Ok(Self {
-                    exec_type: job_meta.exec_type,
-                    payload: job_meta.payload,
-                    result: ExactJob::from_meta(job_meta.id.clone(), Some(result_id)),
-                })
-            }
-            _ => todo!(),
-        }
-    }
-
-    async fn run(mut self) -> UResult<ExactJob> {
-        match self.exec_type {
-            JobType::Shell => {
-                let str_payload = match &self.payload {
-                    Some(box_payload) => String::from_utf8_lossy(box_payload).into_owned(),
-                    None => unimplemented!(),
-                };
-                let mut cmd_parts = str_payload
-                    .split(" ")
-                    .map(String::from)
-                    .collect::<Vec<String>>()
-                    .into_iter();
-                let cmd = cmd_parts.nth(0).unwrap();
-                let args = cmd_parts.collect::<Vec<_>>();
-                let cmd_result = Command::new(cmd).args(args).output().await;
-                let (data, retcode) = match cmd_result {
-                    Ok(Output {
-                        status,
-                        stdout,
-                        stderr,
-                    }) => (
-                        JobOutput::new().stdout(stdout).stderr(stderr).multiline(),
-                        status.code(),
-                    ),
-                    Err(e) => (
-                        UError::JobError(e.to_string()).to_string().into_bytes(),
-                        None,
-                    ),
-                };
-                self.result.result = Some(data);
-                self.result.retcode = retcode;
-                self.result.updated = SystemTime::now();
-                self.result.state = JobState::Finished;
-            }
-            _ => todo!(),
-        }
-        Ok(self.result)
-    }
-}
-
-pub fn build_jobs_with_result<J: OneOrMany<ExactJob>>(job_requests: J) -> Waiter {
-    let prepared_jobs = job_requests
-        .into_vec()
-        .into_iter()
-        .filter_map(|jr| -> Option<DynFut> {
-            let job = {
-                let job_meta = JobCache::get(&jr.job_id);
-                if job_meta.is_none() {
-                    Err(UError::NoJob(jr.job_id))
-                } else {
-                    Job::build(&*job_meta.unwrap(), jr.id)
-                }
-            };
-            match job {
-                Ok(j) => Some(Box::pin(j.run())),
-                Err(e) => {
-                    warn!("Job building error: {}", e);
-                    None
-                }
-            }
-        })
-        .collect::<Vec<DynFut>>();
-    Waiter::new(prepared_jobs)
-}
-
-pub fn build_jobs<J: OneOrMany<JobMeta>>(job_metas: J) -> Waiter {
-    let job_requests = job_metas
-        .into_vec()
-        .into_iter()
-        .map(|jm| {
-            let j_uid = jm.id;
-            JobCache::insert(jm);
-            ExactJob::from_meta(j_uid, None)
-        })
-        .collect::<Vec<ExactJob>>();
-    build_jobs_with_result(job_requests)
-}
diff --git a/lib/u_lib/src/models/jobs/meta.rs b/lib/u_lib/src/models/jobs/meta.rs
index 3e1f01b..0fd1c41 100644
--- a/lib/u_lib/src/models/jobs/meta.rs
+++ b/lib/u_lib/src/models/jobs/meta.rs
@@ -1,5 +1,5 @@
 use super::JobType;
-use crate::models::schema::*;
+use crate::{models::schema::*, UError, UResult};
 use diesel::{Identifiable, Insertable, Queryable};
 use guess_host_triple::guess_host_triple;
 use serde::{Deserialize, Serialize};
@@ -9,7 +9,10 @@ use uuid::Uuid;
 #[derive(Serialize, Deserialize, Clone, Debug, Queryable, Identifiable, Insertable)]
 #[table_name = "jobs"]
 pub struct JobMeta {
-    pub alias: String,
+    pub alias: Option<String>,
+    /// string like `bash -c {} -a 1 --arg2`,
+    /// where {} is replaced by executable's tmp path
+    pub argv: String,
     pub id: Uuid,
     pub exec_type: JobType,
     //pub schedule: JobSchedule,
@@ -17,30 +20,130 @@ pub struct JobMeta {
     pub payload: Option<Vec<u8>>,
 }
 
+impl JobMeta {
+    pub fn builder() -> JobMetaBuilder {
+        JobMetaBuilder::default()
+    }
+
+    pub fn from_shell<S: Into<String>>(cmd: S) -> UResult<Self> {
+        Self::builder().with_shell(cmd).build()
+    }
+}
+
 impl fmt::Display for JobMeta {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let mut out = format!("Job {}", self.id);
-        out += &format!(" ({})", self.alias);
+        let mut out = format!("Job: {}", self.id);
+        if self.alias.is_some() {
+            out += &format!(" ({})", self.alias.as_ref().unwrap());
+        }
+        out += &format!("\nArgv: {}", self.argv);
         out += &format!("\nExecutable type: {}", self.exec_type);
         out += &format!("\nPlatform: {}", self.platform);
         if self.exec_type == JobType::Shell && self.payload.is_some() {
+            let payload = self.payload.as_ref().unwrap();
+            let pld_len = {
+                let pl = payload.len();
+                if pl > 20 {
+                    20
+                } else {
+                    pl
+                }
+            };
+            let pld_beginning = payload
+                .iter()
+                .take(pld_len)
+                .map(|u| *u)
+                .collect::<Vec<u8>>();
             out += &format!(
-                "\nPayload: {}",
-                String::from_utf8_lossy(self.payload.as_ref().unwrap())
+                "\nPayload: {}{}",
+                String::from_utf8_lossy(&pld_beginning),
+                if pld_len <= 20 { "" } else { " <...>" }
             );
         }
         write!(f, "{}", out)
     }
 }
 
-impl JobMeta {
-    pub fn from_shell<S: Into<String>>(shell_cmd: S) -> Self {
-        let shell_cmd = shell_cmd.into();
-        let job_name = shell_cmd.split(" ").nth(0).unwrap();
+impl Default for JobMeta {
+    fn default() -> Self {
         Self {
-            alias: job_name.to_string(),
-            payload: Some(shell_cmd.into_bytes()),
-            ..Default::default()
+            id: Uuid::new_v4(),
+            alias: None,
+            argv: String::from("/bin/bash -c {}"),
+            exec_type: JobType::Shell,
+            platform: guess_host_triple().unwrap_or("unknown").to_string(),
+            payload: None,
+        }
+    }
+}
+
+pub struct JobMetaBuilder {
+    inner: JobMeta,
+}
+
+impl Default for JobMetaBuilder {
+    fn default() -> Self {
+        Self {
+            inner: JobMeta::default(),
+        }
+    }
+}
+
+impl JobMetaBuilder {
+    pub fn with_shell<S: Into<String>>(mut self, shell_cmd: S) -> Self {
+        self.inner.argv = shell_cmd.into();
+        self
+    }
+
+    pub fn with_payload<C: Into<Vec<u8>>>(mut self, payload: C) -> Self {
+        self.inner.payload = Some(payload.into());
+        self
+    }
+
+    pub fn with_alias<S: Into<String>>(mut self, alias: S) -> Self {
+        self.inner.alias = Some(alias.into());
+        self
+    }
+
+    pub fn with_type(mut self, e_type: JobType) -> Self {
+        self.inner.exec_type = e_type;
+        self
+    }
+
+    pub fn build(self) -> UResult<JobMeta> {
+        let inner = self.inner;
+        match inner.exec_type {
+            JobType::Shell => {
+                let argv_parts =
+                    shlex::split(&inner.argv).ok_or(UError::JobArgsError("Shlex failed"))?;
+                let empty_err = UError::JobArgsError("Empty argv");
+                if argv_parts.get(0).ok_or(empty_err.clone())?.len() == 0 {
+                    return Err(empty_err);
+                }
+                match inner.payload.as_ref() {
+                    Some(_) => {
+                        if !inner.argv.contains("{}") {
+                            return Err(UError::JobArgsError(
+                                "Argv contains no executable placeholder",
+                            ));
+                        } else {
+                            ()
+                        }
+                    }
+                    None => {
+                        if inner.argv.contains("{}") {
+                            return Err(UError::JobArgsError(
+                                "No payload provided, but argv contains executable placeholder",
+                            ));
+                        } else {
+                            ()
+                        }
+                    }
+                };
+                Ok(inner)
+            }
+            JobType::Manage => Ok(inner),
+            _ => todo!(),
         }
     }
     /*
@@ -54,15 +157,3 @@ impl JobMeta {
 
     }*/
 }
-
-impl Default for JobMeta {
-    fn default() -> Self {
-        Self {
-            id: Uuid::new_v4(),
-            alias: String::new(),
-            exec_type: JobType::Shell,
-            platform: guess_host_triple().unwrap_or("unknown").to_string(),
-            payload: None,
-        }
-    }
-}
diff --git a/lib/u_lib/src/models/jobs/misc.rs b/lib/u_lib/src/models/jobs/misc.rs
index 552603d..9c45195 100644
--- a/lib/u_lib/src/models/jobs/misc.rs
+++ b/lib/u_lib/src/models/jobs/misc.rs
@@ -34,8 +34,6 @@ pub enum JobType {
     Manage,
     Shell,
     Python,
-    Binary,
-    Dummy,
 }
 
 #[derive(Clone, Debug)]
@@ -50,12 +48,13 @@ impl JobOutput {
     const STDERR: &'static str = "STDERR";
 
     #[inline]
-    fn create_delim(header: &'static str) -> String {
+    fn create_delim(header: &'static str) -> Vec<u8> {
         format!(
-            "{border} {head} {border}\n",
-            border = JobOutput::STREAM_BORDER,
+            "<{border}{head}{border}>",
+            border = Self::STREAM_BORDER,
             head = header
         )
+        .into_bytes()
     }
 
     pub fn new() -> Self {
@@ -75,90 +74,65 @@ impl JobOutput {
         self
     }
 
-    pub fn multiline(&self) -> Vec<u8> {
+    pub fn into_combined(self) -> Vec<u8> {
         let mut result: Vec<u8> = vec![];
         if self.stdout.len() > 0 {
-            result.extend(JobOutput::create_delim(JobOutput::STDOUT).into_bytes());
-            result.extend(&self.stdout);
-            result.push(b'\n');
+            result.extend(Self::create_delim(Self::STDOUT));
+            result.extend(self.stdout);
         }
 
         if self.stderr.len() > 0 {
-            result.extend(JobOutput::create_delim(JobOutput::STDERR).into_bytes());
-            result.extend(&self.stderr);
-            result.push(b'\n');
+            result.extend(Self::create_delim(Self::STDERR));
+            result.extend(self.stderr);
         }
         result
     }
 
-    pub fn from_raw(raw: &[u8]) -> Option<Self> {
-        let raw = String::from_utf8_lossy(raw);
-        let err_header = JobOutput::create_delim(JobOutput::STDERR);
-        raw.strip_prefix(&JobOutput::create_delim(JobOutput::STDOUT))
-            .map(|s: &str| {
-                let mut parts = s
-                    .split(&err_header)
-                    .map(|d| d.trim().as_bytes().to_vec())
-                    .collect::<Vec<Vec<u8>>>()
-                    .into_iter();
-                JobOutput::new()
-                    .stdout(parts.next().unwrap())
-                    .stderr(parts.next().unwrap_or(vec![]))
+    pub fn from_combined(raw: &[u8]) -> Option<Self> {
+        enum ParseFirst {
+            Stdout,
+            Stderr,
+        }
+        fn split_by_subslice<'s>(slice: &'s [u8], subslice: &[u8]) -> Option<(&'s [u8], &'s [u8])> {
+            slice
+                .windows(subslice.len())
+                .position(|w| w == subslice)
+                .map(|split_pos| {
+                    let splitted = slice.split_at(split_pos);
+                    (&splitted.0[..split_pos], &splitted.1[subslice.len()..])
+                })
+        }
+        let splitter = |p: ParseFirst| {
+            let (first_hdr, second_hdr) = match p {
+                ParseFirst::Stdout => (Self::STDOUT, Self::STDERR),
+                ParseFirst::Stderr => (Self::STDERR, Self::STDOUT),
+            };
+            let first_hdr = Self::create_delim(first_hdr);
+            let second_hdr = Self::create_delim(second_hdr);
+            split_by_subslice(raw, &first_hdr).map(|(_, p2)| {
+                match split_by_subslice(p2, &second_hdr) {
+                    Some((p2_1, p2_2)) => Self::new().stdout(p2_1.to_vec()).stderr(p2_2.to_vec()),
+                    None => Self::new().stdout(p2.to_vec()),
+                }
             })
+        };
+        splitter(ParseFirst::Stdout).or(splitter(ParseFirst::Stderr))
     }
 
-    pub fn into_appropriate(self) -> Vec<u8> {
+    pub fn to_appropriate(&self) -> Vec<u8> {
+        let mut result: Vec<u8> = vec![];
         if self.stdout.len() > 0 {
-            self.stdout
-        } else if self.stderr.len() > 0 {
-            self.stderr
-        } else {
-            b"No data".to_vec()
+            result.extend(&self.stdout);
         }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::utils::vec_to_string;
-
-    #[test]
-    fn test_to_multiline() {
-        let mut output = JobOutput::new();
-        output.stdout = b"lol".to_vec();
-        output.stderr = b"kek".to_vec();
-        assert_eq!(
-            vec_to_string(&output.multiline()),
-            String::from(
-                "*** STDOUT ***\n\
-            lol\n\
-            *** STDERR ***\n\
-            kek\n"
-            )
-        )
-    }
-
-    #[test]
-    fn test_to_multiline_stderr_only() {
-        let mut output = JobOutput::new();
-        output.stderr = b"kek".to_vec();
-        assert_eq!(
-            vec_to_string(&output.multiline()),
-            String::from(
-                "*** STDERR ***\n\
-            kek\n"
-            )
-        )
-    }
-
-    #[test]
-    fn test_from_multiline() {
-        let txt = "*** STDOUT ***\n\
-                puk\n"
-            .as_bytes();
-        let output = JobOutput::from_raw(txt).unwrap();
-        assert_eq!(vec_to_string(&output.stdout), "puk".to_string());
-        assert_eq!(output.stderr.len(), 0);
+        if self.stderr.len() > 0 {
+            if result.len() > 0 {
+                result.push(b'\n');
+            }
+            result.extend(&self.stderr);
+        }
+        if result.len() == 0 {
+            result.extend(b"No data");
+        }
+        result
     }
 }
diff --git a/lib/u_lib/src/models/jobs/mod.rs b/lib/u_lib/src/models/jobs/mod.rs
index 7e1fec6..7111111 100644
--- a/lib/u_lib/src/models/jobs/mod.rs
+++ b/lib/u_lib/src/models/jobs/mod.rs
@@ -1,7 +1,5 @@
-pub mod builder;
-pub mod cache;
+pub mod assigned;
 pub mod meta;
 pub mod misc;
-pub mod result;
 
-pub use {builder::*, cache::*, meta::*, misc::*, result::*};
+pub use {assigned::*, meta::*, misc::*};
diff --git a/lib/u_lib/src/models/jobs/result.rs b/lib/u_lib/src/models/jobs/result.rs
deleted file mode 100644
index e9d9bb0..0000000
--- a/lib/u_lib/src/models/jobs/result.rs
+++ /dev/null
@@ -1,155 +0,0 @@
-use super::JobState;
-use crate::{models::schema::*, utils::systime_to_string, UID};
-use diesel::{Identifiable, Insertable, Queryable};
-use serde::{Deserialize, Serialize};
-use std::{fmt, time::SystemTime};
-use uuid::Uuid;
-
-#[derive(
-    Serialize, Deserialize, Clone, Debug, Queryable, Identifiable, Insertable, AsChangeset,
-)]
-#[table_name = "results"]
-pub struct ExactJob {
-    pub agent_id: Uuid,
-    pub created: SystemTime,
-    pub id: Uuid,
-    pub job_id: Uuid,
-    pub result: Option<Vec<u8>>,
-    pub state: JobState,
-    pub retcode: Option<i32>,
-    pub updated: SystemTime,
-}
-
-impl Default for ExactJob {
-    fn default() -> Self {
-        Self {
-            agent_id: Uuid::nil(),
-            created: SystemTime::now(),
-            id: Uuid::new_v4(),
-            job_id: Uuid::nil(),
-            result: None,
-            state: JobState::Queued,
-            retcode: None,
-            updated: SystemTime::now(),
-        }
-    }
-}
-
-impl fmt::Display for ExactJob {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let mut out = format!("Result {}", self.id);
-        out += &format!("\nAgent {}", self.agent_id);
-        out += &format!("\nJob: {}", self.job_id);
-        out += &format!("\nUpdated: {}", systime_to_string(&self.updated));
-        out += &format!("\nState: {}", self.state);
-        if self.state == JobState::Finished {
-            if self.retcode.is_some() {
-                out += &format!("\nReturn code: {}", self.retcode.unwrap());
-            }
-            if self.result.is_some() {
-                out += &format!(
-                    "\nResult: {}",
-                    String::from_utf8_lossy(self.result.as_ref().unwrap())
-                );
-            }
-        }
-        write!(f, "{}", out)
-    }
-}
-
-impl ExactJob {
-    pub fn from_meta(job_id: Uuid, result_id: Option<Uuid>) -> Self {
-        Self {
-            id: result_id.unwrap_or(Uuid::new_v4()),
-            agent_id: *UID,
-            job_id,
-            ..Default::default()
-        }
-    }
-
-    //pub fn as_job_output(&self) -> JobOutput {}
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::{
-        models::jobs::{build_jobs, JobMeta, JobOutput},
-        utils::vec_to_string,
-        UResult,
-    };
-
-    #[tokio::test]
-    async fn test_is_really_async() {
-        const SLEEP_SECS: u64 = 1;
-        let job = JobMeta::from_shell(format!("sleep {}", SLEEP_SECS));
-        let sleep_jobs: Vec<JobMeta> = (0..50).map(|_| job.clone()).collect();
-        let now = SystemTime::now();
-        build_jobs(sleep_jobs).run_until_complete().await;
-        assert!(now.elapsed().unwrap().as_secs() < SLEEP_SECS + 2)
-    }
-
-    #[tokio::test]
-    async fn test_shell_job() -> UResult<()> {
-        let job = JobMeta::from_shell("whoami");
-        let job_result = build_jobs(job).run_one_until_complete().await;
-        let stdout = JobOutput::from_raw(&job_result.unwrap().result.unwrap())
-            .unwrap()
-            .stdout;
-        assert_eq!(vec_to_string(&stdout).trim(), "plazmoid");
-        Ok(())
-    }
-
-    #[tokio::test]
-    async fn test_complex_load() -> UResult<()> {
-        const SLEEP_SECS: u64 = 1;
-        let now = SystemTime::now();
-        let longest_job = JobMeta::from_shell(format!("sleep {}", SLEEP_SECS));
-        let longest_job = build_jobs(longest_job).spawn().await;
-        let ls = build_jobs(JobMeta::from_shell("ls"))
-            .run_one_until_complete()
-            .await
-            .unwrap();
-        assert_eq!(ls.retcode.unwrap(), 0);
-        let result = JobOutput::from_raw(&ls.result.unwrap()).unwrap();
-        let folders = String::from_utf8_lossy(&result.stdout);
-        let subfolders_jobs: Vec<JobMeta> = folders
-            .lines()
-            .map(|f| JobMeta::from_shell(format!("ls {}", f)))
-            .collect();
-        let ls_subfolders = build_jobs(subfolders_jobs).run_until_complete().await;
-        for result in ls_subfolders {
-            assert_eq!(result.unwrap().retcode.unwrap(), 0);
-        }
-        longest_job.wait().await;
-        assert_eq!(now.elapsed().unwrap().as_secs(), SLEEP_SECS);
-        Ok(())
-    }
-    /*
-        #[tokio::test]
-        async fn test_exec_multiple_jobs_nowait() -> UResult<()> {
-            const REPEATS: usize = 10;
-            let job = JobMeta::from_shell("whoami");
-            let sleep_jobs: Vec<JobMeta> = (0..=REPEATS).map(|_| job.clone()).collect();
-            build_jobs(sleep_jobs).spawn().await;
-            let mut completed = 0;
-            while completed < REPEATS {
-                let c = pop_completed().await.len();
-                if c > 0 {
-                    completed += c;
-                    println!("{}", c);
-                }
-            }
-            Ok(())
-        }
-    */
-    #[tokio::test]
-    async fn test_failing_shell_job() -> UResult<()> {
-        let job = JobMeta::from_shell("lol_kek_puk");
-        let job_result = build_jobs(job).run_one_until_complete().await.unwrap();
-        let output = JobOutput::from_raw(&job_result.result.unwrap());
-        assert!(output.is_none());
-        assert!(job_result.retcode.is_none());
-        Ok(())
-    }
-}
diff --git a/lib/u_lib/src/models/mod.rs b/lib/u_lib/src/models/mod.rs
index ae54c3d..9406e9a 100644
--- a/lib/u_lib/src/models/mod.rs
+++ b/lib/u_lib/src/models/mod.rs
@@ -1,48 +1,17 @@
 mod agent;
-pub mod schema;
 pub mod jobs;
+mod result;
+pub mod schema;
 
-pub use crate::{
-    models::{
-        agent::*,
-        jobs::*,
-    },
-    messaging::*,
-};
+use crate::messaging::AsMsg;
+pub use crate::models::result::ExecResult;
+pub use crate::models::{agent::*, jobs::*};
 use uuid::Uuid;
-use std::borrow::Cow;
-
-// with this macro, a type can be used as message (see api)
-macro_rules! to_message {
-    ($($type:ty),+) => { $(
-
-        impl ToMsg for $type {}
-
-        impl<'cow> From<$type> for Moo<'cow, $type> {
-            #[inline]
-            fn from(obj: $type) -> Moo<'cow, $type> {
-                Moo(Cow::Owned(obj))
-            }
-        }
-
-        impl<'cow> From<&'cow $type> for Moo<'cow, $type> {
-            #[inline]
-            fn from(obj: &'cow $type) -> Moo<'cow, $type> {
-                Moo(Cow::Borrowed(obj))
-            }
-        } )+
-    }
-}
 
-to_message!(
-    Agent,
-    IAgent,
-    JobMeta,
-    ExactJob,
-    String,
-    Vec<Agent>,
-    Vec<JobMeta>,
-    Vec<ExactJob>,
-    Vec<Uuid>,
-    ()
-);
+impl AsMsg for Agent {}
+impl AsMsg for AssignedJob {}
+impl AsMsg for ExecResult {}
+impl AsMsg for JobMeta {}
+impl AsMsg for String {}
+impl AsMsg for Uuid {}
+impl AsMsg for () {}
diff --git a/lib/u_lib/src/models/result.rs b/lib/u_lib/src/models/result.rs
new file mode 100644
index 0000000..5f77f8f
--- /dev/null
+++ b/lib/u_lib/src/models/result.rs
@@ -0,0 +1,8 @@
+use crate::models::{Agent, AssignedJob};
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Clone)]
+pub enum ExecResult {
+    Assigned(AssignedJob),
+    Agent(Agent),
+}
diff --git a/lib/u_lib/src/models/schema.rs b/lib/u_lib/src/models/schema.rs
index aa58e92..be2edf1 100644
--- a/lib/u_lib/src/models/schema.rs
+++ b/lib/u_lib/src/models/schema.rs
@@ -1,6 +1,5 @@
 table! {
-    use diesel::sql_types::*;
-    use crate::*;
+    use crate::schema_exports::*;
 
     agents (id) {
         alias -> Nullable<Text>,
@@ -11,15 +10,14 @@ table! {
         last_active -> Timestamp,
         platform -> Text,
         regtime -> Timestamp,
-        status -> Nullable<Text>,
+        state -> Agentstate,
         token -> Nullable<Text>,
         username -> Text,
     }
 }
 
 table! {
-    use diesel::sql_types::*;
-    use crate::*;
+    use crate::schema_exports::*;
 
     certificates (id) {
         agent_id -> Uuid,
@@ -29,8 +27,7 @@ table! {
 }
 
 table! {
-    use diesel::sql_types::*;
-    use crate::*;
+    use crate::schema_exports::*;
 
     ip_addrs (id) {
         agent_id -> Uuid,
@@ -45,11 +42,11 @@ table! {
 }
 
 table! {
-    use diesel::sql_types::*;
-    use crate::*;
+    use crate::schema_exports::*;
 
     jobs (id) {
-        alias -> Text,
+        alias -> Nullable<Text>,
+        argv -> Text,
         id -> Uuid,
         exec_type -> Jobtype,
         platform -> Text,
@@ -58,11 +55,11 @@ table! {
 }
 
 table! {
-    use diesel::sql_types::*;
-    use crate::*;
+    use crate::schema_exports::*;
 
     results (id) {
         agent_id -> Uuid,
+        alias -> Nullable<Text>,
         created -> Timestamp,
         id -> Uuid,
         job_id -> Uuid,
diff --git a/lib/u_lib/src/utils.rs b/lib/u_lib/src/utils.rs
index 33b2bbb..ebf3ebe 100644
--- a/lib/u_lib/src/utils.rs
+++ b/lib/u_lib/src/utils.rs
@@ -1,24 +1,14 @@
+use crate::UError;
+use chrono::{offset::Local, DateTime};
 use nix::{
-    unistd::{
-        getppid,
-        setsid,
-        fork,
-        ForkResult,
-        close as fdclose,
-        chdir
-    },
-    sys::signal::{
-        signal,
-        Signal,
-        SigHandler
-    }
+    sys::signal::{signal, SigHandler, Signal},
+    unistd::{chdir, close as fdclose, fork, getppid, setsid, ForkResult},
 };
-use std::process::exit;
-use std::time::SystemTime;
-use chrono::{
-    DateTime,
-    offset::Local
+use std::{
+    env::temp_dir, fs, ops::Drop, os::unix::fs::PermissionsExt, path::PathBuf, process::exit,
+    time::SystemTime,
 };
+use uuid::Uuid;
 
 pub trait OneOrMany<T> {
     fn into_vec(self) -> Vec<T>;
@@ -43,20 +33,22 @@ pub fn daemonize() {
         setsig(Signal::SIGTSTP, SigHandler::SigIgn);
     }
     for fd in 0..=2 {
-        match fdclose(fd) { _ => () }
+        match fdclose(fd) {
+            _ => (),
+        }
     }
-    match chdir("/") { _ => () };
+    match chdir("/") {
+        _ => (),
+    };
 
     match fork() {
-        Ok(ForkResult::Parent {..}) => {
+        Ok(ForkResult::Parent { .. }) => {
             exit(0);
-        },
-        Ok(ForkResult::Child) => {
-            match setsid() { _ => () }
-        }
-        Err(_) => {
-            exit(255)
         }
+        Ok(ForkResult::Child) => match setsid() {
+            _ => (),
+        },
+        Err(_) => exit(255),
     }
 }
 
@@ -73,10 +65,97 @@ pub fn vec_to_string(v: &[u8]) -> String {
 pub fn opt_to_string<T: ToString>(item: Option<T>) -> String {
     match item {
         Some(s) => s.to_string(),
-        None => String::new()
+        None => String::new(),
     }
 }
 
 pub fn systime_to_string(time: &SystemTime) -> String {
-    DateTime::<Local>::from(*time).format("%d/%m/%Y %T").to_string()
-}
\ No newline at end of file
+    DateTime::<Local>::from(*time)
+        .format("%d/%m/%Y %T")
+        .to_string()
+}
+
+pub struct TempFile {
+    path: PathBuf,
+}
+
+impl TempFile {
+    pub fn get_path(&self) -> String {
+        self.path.to_string_lossy().to_string()
+    }
+
+    pub fn new() -> Self {
+        let name = Uuid::simple(&Uuid::new_v4()).to_string();
+        let mut path = temp_dir();
+        path.push(name);
+        Self { path }
+    }
+
+    pub fn write_all(&self, data: &[u8]) -> Result<(), String> {
+        fs::write(&self.path, data).map_err(|e| e.to_string())
+    }
+
+    pub fn write_exec(data: &[u8]) -> Result<Self, (String, String)> {
+        let this = Self::new();
+        let path = this.get_path();
+        this.write_all(data).map_err(|e| (path.clone(), e))?;
+        let perms = fs::Permissions::from_mode(0o555);
+        fs::set_permissions(&path, perms).map_err(|e| (path, e.to_string()))?;
+        Ok(this)
+    }
+}
+
+impl Drop for TempFile {
+    fn drop(&mut self) {
+        fs::remove_file(&self.path).ok();
+    }
+}
+
+pub struct CombinedResult<T, E = UError> {
+    ok: Vec<T>,
+    err: Vec<E>,
+}
+
+impl<T, E> CombinedResult<T, E> {
+    pub fn new() -> Self {
+        Self {
+            ok: vec![],
+            err: vec![],
+        }
+    }
+
+    pub fn ok<I: OneOrMany<T>>(&mut self, result: I) {
+        self.ok.extend(result.into_vec());
+    }
+
+    pub fn err<I: OneOrMany<E>>(&mut self, err: I) {
+        self.err.extend(err.into_vec());
+    }
+
+    pub fn unwrap(self) -> Vec<T> {
+        let err_len = self.err.len();
+        if err_len > 0 {
+            panic!("CombinedResult has {} errors", err_len);
+        }
+        self.ok
+    }
+
+    pub fn unwrap_one(self) -> T {
+        self.unwrap().pop().unwrap()
+    }
+
+    pub fn pop_errors(&mut self) -> Vec<E> {
+        self.err.drain(..).collect()
+    }
+}
+
+#[macro_export]
+macro_rules! unwrap_enum {
+    ($src:ident, $t:path) => {
+        if let $t(result) = $src {
+            result
+        } else {
+            panic!("wrong type")
+        }
+    };
+}
diff --git a/lib/u_lib/tests/api_macro.rs b/lib/u_lib/tests/api_macro.rs
new file mode 100644
index 0000000..e5fd094
--- /dev/null
+++ b/lib/u_lib/tests/api_macro.rs
@@ -0,0 +1,17 @@
+/*
+use std::fmt::Display;
+use u_api_proc_macro::api_route;
+use uuid::Uuid;
+
+struct Paths;
+struct ClientHandler;
+
+#[test]
+fn test_api_proc_macro() {
+    #[api_route("GET", Uuid)]
+    fn list<T: Display>(&self, msg: T) -> String {}
+
+    #[api_route("POST", Uuid)]
+    fn report<T: Display>(&self, msg: T) -> String {}
+}
+*/
diff --git a/lib/u_lib/tests/fixtures/echoer b/lib/u_lib/tests/fixtures/echoer
new file mode 100755
index 0000000..4c13f8d
Binary files /dev/null and b/lib/u_lib/tests/fixtures/echoer differ
diff --git a/lib/u_lib/tests/fixtures/echoer.rs b/lib/u_lib/tests/fixtures/echoer.rs
new file mode 100644
index 0000000..cc7eb02
--- /dev/null
+++ b/lib/u_lib/tests/fixtures/echoer.rs
@@ -0,0 +1,5 @@
+use std::env;
+
+fn main() {
+    println!("{}", env::args().nth(1).unwrap_or(String::new()));
+}
diff --git a/lib/u_lib/tests/jobs/execution.rs b/lib/u_lib/tests/jobs/execution.rs
new file mode 100644
index 0000000..598dd8b
--- /dev/null
+++ b/lib/u_lib/tests/jobs/execution.rs
@@ -0,0 +1,161 @@
+use std::{time::SystemTime};
+use u_lib::{
+    errors::UError,
+    models::{
+        jobs::{JobMeta},
+        ExecResult,
+        misc::JobType
+    },
+    builder::{JobBuilder, NamedJobBuilder}
+};
+
+type TestResult<R = ()> = Result<R, Box<dyn std::error::Error>>;
+
+#[tokio::test]
+async fn test_is_really_async() {
+    const SLEEP_SECS: u64 = 1;
+    let job = JobMeta::from_shell(format!("sleep {}", SLEEP_SECS)).unwrap();
+    let sleep_jobs: Vec<JobMeta> = (0..50).map(|_| job.clone()).collect();
+    let now = SystemTime::now();
+    JobBuilder::from_meta(sleep_jobs).unwrap_one().wait().await;
+    assert!(now.elapsed().unwrap().as_secs() < SLEEP_SECS + 2)
+}
+
+#[test_case(
+    "/bin/sh {}", 
+    Some(b"echo test01 > /tmp/asd; cat /tmp/asd"), 
+    "test01"
+    ;"sh payload"
+)]
+#[test_case(
+    r#"/usr/bin/python -c 'print("test02")'"#, 
+    None, 
+    "test02"
+    ;"python cmd"
+)]
+#[test_case(
+    "/{}", 
+    Some(
+br#"#!/bin/sh
+TMPPATH=/tmp/lol
+mkdir -p $TMPPATH
+echo test03 > $TMPPATH/t
+cat $TMPPATH/t"#
+    ),
+    "test03"
+    ;"sh multiline payload"
+)]
+#[test_case(
+    "/{} 'some msg as arg'",
+    Some(include_bytes!("../fixtures/echoer")),
+    "some msg as arg"
+    ;"standalone binary with args"
+)]
+#[tokio::test]
+async fn test_shell_job(cmd: &str, payload: Option<&[u8]>, expected_result: &str) -> TestResult {
+    let mut job = JobMeta::builder().with_shell(cmd); 
+    if let Some(p) = payload {
+        job = job.with_payload(p);
+    }
+    let job = job.build().unwrap(); 
+    let job_result = JobBuilder::from_meta(job).unwrap_one().wait_one().await;
+    let result = unwrap_enum!(job_result, ExecResult::Assigned);
+    let result = result.to_string_result().unwrap();
+    assert_eq!(result.trim(), expected_result);
+    Ok(())
+}
+
+#[tokio::test]
+async fn test_complex_load() -> TestResult {
+    const SLEEP_SECS: u64 = 1;
+    let now = SystemTime::now();
+    let longest_job = JobMeta::from_shell(format!("sleep {}", SLEEP_SECS)).unwrap();
+    let longest_job = JobBuilder::from_meta(longest_job).unwrap_one().spawn().await; 
+    let ls = JobBuilder::from_meta(JobMeta::from_shell("ls")?).unwrap_one()
+        .wait_one()
+        .await;
+    let ls = unwrap_enum!(ls, ExecResult::Assigned);
+    assert_eq!(ls.retcode.unwrap(), 0);
+    let folders = ls.to_string_result().unwrap();
+    let subfolders_jobs: Vec<JobMeta> = folders
+        .lines()
+        .map(|f| JobMeta::from_shell(format!("ls {}", f)).unwrap())
+        .collect();
+    let ls_subfolders = JobBuilder::from_meta(subfolders_jobs)
+        .unwrap_one()
+        .wait()
+        .await;
+    for result in ls_subfolders {
+        let result = unwrap_enum!(result, ExecResult::Assigned);
+        assert_eq!(result.retcode.unwrap(), 0);
+    }
+    longest_job.wait().await;
+    assert_eq!(now.elapsed().unwrap().as_secs(), SLEEP_SECS);
+    Ok(())
+}
+/*
+#[tokio::test]
+async fn test_exec_multiple_jobs_nowait() -> UResult<()> {
+    const REPEATS: usize = 10;
+    let job = JobMeta::from_shell("whoami");
+    let sleep_jobs: Vec<JobMeta> = (0..=REPEATS).map(|_| job.clone()).collect();
+    build_jobs(sleep_jobs).spawn().await;
+    let mut completed = 0;
+    while completed < REPEATS {
+        let c = pop_completed().await.len();
+        if c > 0 {
+            completed += c;
+            println!("{}", c);
+        }
+    }
+    Ok(())
+}
+*/
+#[tokio::test]
+async fn test_failing_shell_job() -> TestResult {
+    let job = JobMeta::from_shell("lol_kek_puk")?;
+    let job_result = JobBuilder::from_meta(job)
+        .unwrap_one()
+        .wait_one()
+        .await;
+    let job_result = unwrap_enum!(job_result, ExecResult::Assigned);
+    let output = job_result.to_string_result().unwrap();
+    assert!(output.contains("No such file"));
+    assert!(job_result.retcode.is_none());
+    Ok(())
+}
+
+#[test_case(
+    "/bin/bash {}", 
+    None, 
+    "contains executable"
+    ; "no binary"
+)]
+#[test_case(
+    "/bin/bash", 
+    Some(b"whoami"), 
+    "contains no executable"
+    ; "no path to binary"
+)]
+#[tokio::test]
+async fn test_job_building_failed(cmd: &str, payload: Option<&[u8]>, err_str: &str) -> TestResult {
+    let mut job = JobMeta::builder().with_shell(cmd);
+    if let Some(p) = payload {
+        job = job.with_payload(p);
+    }
+    let err = job.build().unwrap_err();
+    let err_msg = unwrap_enum!(err, UError::JobArgsError);
+    assert!(err_msg.contains(err_str));
+    Ok(())
+}
+
+#[tokio::test]
+async fn test_different_job_types() -> TestResult {
+    let mut jobs = NamedJobBuilder::from_meta(vec![
+        ("sleeper", JobMeta::from_shell("sleep 3")?),
+        ("gatherer", JobMeta::builder().with_type(JobType::Manage).build()?)
+    ]).wait().await;
+    let gathered = jobs.pop("gatherer");
+    assert_eq!(unwrap_enum!(gathered, ExecResult::Agent).alias, None);
+    Ok(())
+}
diff --git a/lib/u_lib/tests/jobs/output.rs b/lib/u_lib/tests/jobs/output.rs
new file mode 100644
index 0000000..0fc1522
--- /dev/null
+++ b/lib/u_lib/tests/jobs/output.rs
@@ -0,0 +1,43 @@
+use u_lib::{models::JobOutput, utils::vec_to_string};
+
+const STDOUT: &str = "<***STDOUT***>";
+const STDERR: &str = "<***STDERR***>";
+
+#[test_case(
+    "lol",
+    "kek",
+    &format!("{}lol{}kek", STDOUT, STDERR)
+    ;"stdout stderr"
+)]
+#[test_case(
+    "",
+    "kek",
+    &format!("{}kek", STDERR)
+    ;"stderr"
+)]
+fn test_to_combined(stdout: &str, stderr: &str, result: &str) {
+    let output = JobOutput::new()
+        .stdout(stdout.as_bytes().to_vec())
+        .stderr(stderr.as_bytes().to_vec());
+    assert_eq!(&vec_to_string(&output.into_combined()), result)
+}
+
+#[test_case(
+    &format!("{}lal{}kik", STDOUT, STDERR),
+    "lal\nkik"
+    ;"stdout stderr"
+)]
+#[test_case(
+    &format!("{}qeq", STDOUT),
+    "qeq"
+    ;"stdout"
+)]
+#[test_case(
+    &format!("{}vev", STDERR),
+    "vev"
+    ;"stderr"
+)]
+fn test_from_combined(src: &str, result: &str) {
+    let output = JobOutput::from_combined(src.as_bytes()).unwrap();
+    assert_eq!(vec_to_string(&output.to_appropriate()).trim(), result);
+}
diff --git a/lib/u_lib/tests/tests.rs b/lib/u_lib/tests/tests.rs
new file mode 100644
index 0000000..b0e8959
--- /dev/null
+++ b/lib/u_lib/tests/tests.rs
@@ -0,0 +1,10 @@
+#[macro_use]
+extern crate test_case;
+
+#[macro_use]
+extern crate u_lib;
+
+mod jobs {
+    mod execution;
+    mod output;
+}
diff --git a/migrations/00000000000000_diesel_initial_setup/down.sql b/migrations/00000000000000_diesel_initial_setup/down.sql
new file mode 100644
index 0000000..a9f5260
--- /dev/null
+++ b/migrations/00000000000000_diesel_initial_setup/down.sql
@@ -0,0 +1,6 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();
diff --git a/migrations/00000000000000_diesel_initial_setup/up.sql b/migrations/00000000000000_diesel_initial_setup/up.sql
new file mode 100644
index 0000000..d68895b
--- /dev/null
+++ b/migrations/00000000000000_diesel_initial_setup/up.sql
@@ -0,0 +1,36 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
diff --git a/migrations/2020-10-24-111622_create_all/down.sql b/migrations/2020-10-24-111622_create_all/down.sql
index 4c1d485..3ded775 100644
--- a/migrations/2020-10-24-111622_create_all/down.sql
+++ b/migrations/2020-10-24-111622_create_all/down.sql
@@ -5,4 +5,5 @@ DROP TABLE jobs;
 DROP TABLE agents;
 
 DROP TYPE IF EXISTS JobState;
-DROP TYPE IF EXISTS JobType;
\ No newline at end of file
+DROP TYPE IF EXISTS JobType;
+DROP TYPE IF EXISTS AgentState;
\ No newline at end of file
diff --git a/migrations/2020-10-24-111622_create_all/up.sql b/migrations/2020-10-24-111622_create_all/up.sql
index a57754b..ef956ac 100644
--- a/migrations/2020-10-24-111622_create_all/up.sql
+++ b/migrations/2020-10-24-111622_create_all/up.sql
@@ -1,9 +1,10 @@
 CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
-CREATE TYPE JobType AS ENUM ('shell', 'manage', 'binary', 'python');
+CREATE TYPE JobType AS ENUM ('shell', 'manage', 'python');
 CREATE TYPE JobState AS ENUM ('queued', 'running', 'finished');
+CREATE TYPE AgentState AS ENUM ('new', 'active', 'banned');
 
 CREATE TABLE IF NOT EXISTS agents (
-    alias TEXT
+      alias TEXT UNIQUE
     , hostname TEXT NOT NULL
     , id UUID NOT NULL DEFAULT uuid_generate_v4()
     , is_root BOOLEAN NOT NULL DEFAULT false
@@ -12,7 +13,7 @@ CREATE TABLE IF NOT EXISTS agents (
     -- target triplet
     , platform TEXT NOT NULL
     , regtime TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
-    , status TEXT
+    , state AgentState NOT NULL DEFAULT 'new'
     -- is needed to processing requests
     , token TEXT
     , username TEXT NOT NULL
@@ -20,7 +21,7 @@ CREATE TABLE IF NOT EXISTS agents (
 );
 
 CREATE TABLE IF NOT EXISTS ip_addrs (
-    agent_id UUID NOT NULL
+      agent_id UUID NOT NULL
     , check_ts TIMESTAMP NOT NULL
     , gateway TEXT
     , id UUID NOT NULL DEFAULT uuid_generate_v4()
@@ -33,7 +34,8 @@ CREATE TABLE IF NOT EXISTS ip_addrs (
 );
 
 CREATE TABLE IF NOT EXISTS jobs (
-    alias TEXT NOT NULL
+      alias TEXT UNIQUE
+    , argv TEXT NOT NULL
     , id UUID NOT NULL DEFAULT uuid_generate_v4()
     -- Shell, Binary (with program download),
     -- Python (with program and python download if not exist), Management
@@ -44,7 +46,8 @@ CREATE TABLE IF NOT EXISTS jobs (
 );
 
 CREATE TABLE IF NOT EXISTS results (
-    agent_id UUID NOT NULL
+      agent_id UUID NOT NULL
+    , alias TEXT UNIQUE
     , created TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
     , id UUID NOT NULL DEFAULT uuid_generate_v4()
     , job_id UUID NOT NULL
@@ -58,7 +61,7 @@ CREATE TABLE IF NOT EXISTS results (
 );
 
 CREATE TABLE IF NOT EXISTS certificates (
-    agent_id UUID NOT NULL
+      agent_id UUID NOT NULL
     , id UUID NOT NULL DEFAULT uuid_generate_v4()
     , is_revoked BOOLEAN NOT NULL DEFAULT FALSE
     , PRIMARY KEY(id)