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2 Commits
c6c2136a9f
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83d19db638
Author | SHA1 | Date | |
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83d19db638 | |||
4336130353 |
73
src/main.rs
73
src/main.rs
@ -1,4 +1,7 @@
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use std::{collections::HashMap, os::mikros::{self, ipc, syscalls, Errno}};
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use std::{
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collections::HashMap,
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os::mikros::{self, ipc, syscalls, Errno},
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};
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use parking_lot::RwLock;
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use parking_lot::RwLock;
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@ -22,38 +25,57 @@ struct Serv {
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impl proc_man_rpc::Server for Serv {
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impl proc_man_rpc::Server for Serv {
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fn new_proc(&self, pid: u64, parent: Option<u64>) -> Result<(), Errno> {
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fn new_proc(&self, pid: u64, parent: Option<u64>) -> Result<(), Errno> {
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let syslog_pid = syscalls::try_get_registered(2).unwrap();
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self.processes.write().insert(
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let syslog_client = syslog_rpc::Client::new(syslog_pid);
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pid,
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syslog_client.send_text_message("proc_man", format!("Process {pid} created with parent {parent:?}")).unwrap();
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Process {
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self.processes.write().insert(pid, Process {
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stdio: [None; 3],
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stdio: [None; 3],
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cli_args: Vec::new(),
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cli_args: Vec::new(),
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status: ProcessStatus::Running,
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status: ProcessStatus::Running,
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parent,
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parent,
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children: Vec::new(),
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children: Vec::new(),
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});
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},
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);
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if let Some(parent) = parent {
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if let Some(parent) = parent {
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self.processes.write().get_mut(&parent).unwrap().children.push(pid);
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self.processes
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.write()
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.get_mut(&parent)
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.unwrap()
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.children
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.push(pid);
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};
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};
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Ok(())
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Ok(())
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}
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}
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fn set_stdio(&self, pid: u64, stdio: [Option<(u64, u64)>; 3]) -> Result<(), Errno> {
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fn set_stdio(&self, pid: u64, stdio: [Option<(u64, u64)>; 3]) -> Result<(), Errno> {
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self.processes.write().get_mut(&pid).ok_or(Errno::ESRCH)?.stdio = stdio;
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self.processes
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.write()
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.get_mut(&pid)
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.ok_or(Errno::ESRCH)?
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.stdio = stdio;
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Ok(())
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Ok(())
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}
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}
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fn get_stdio(&self, from: u64) -> [Option<(u64, u64)>; 3] {
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fn get_stdio(&self, from: u64) -> [Option<(u64, u64)>; 3] {
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self.processes.read().get(&from).map_or([None; 3], |proc| proc.stdio)
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self.processes
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.read()
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.get(&from)
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.map_or([None; 3], |proc| proc.stdio)
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}
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}
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fn set_cli_args(&self, pid: u64, args: Vec<String>) -> Result<(), Errno> {
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fn set_cli_args(&self, pid: u64, args: Vec<String>) -> Result<(), Errno> {
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self.processes.write().get_mut(&pid).ok_or(Errno::ESRCH)?.cli_args = args;
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self.processes
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.write()
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.get_mut(&pid)
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.ok_or(Errno::ESRCH)?
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.cli_args = args;
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Ok(())
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Ok(())
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}
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}
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fn get_cli_args(&self, from: u64) -> Vec<String> {
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fn get_cli_args(&self, from: u64) -> Vec<String> {
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self.processes.read().get(&from).map_or(Vec::new(), |proc| proc.cli_args.clone())
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self.processes
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.read()
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.get(&from)
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.map_or(Vec::new(), |proc| proc.cli_args.clone())
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}
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}
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fn exit(&self, from: u64, code: u8) {
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fn exit(&self, from: u64, code: u8) {
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@ -78,8 +100,16 @@ impl proc_man_rpc::Server for Serv {
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if let ProcessStatus::Exited(code) = proc_status {
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if let ProcessStatus::Exited(code) = proc_status {
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self.processes.write().remove(&pid);
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self.processes.write().remove(&pid);
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syscalls::clear_exited(pid).unwrap();
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syscalls::clear_exited(pid).unwrap();
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self.processes.write().get_mut(&from).unwrap().children.retain(|&child| child != pid);
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self.processes
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return Ok(proc_man_rpc::WaitResult { pid, exit_code: code });
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.write()
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.get_mut(&from)
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.unwrap()
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.children
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.retain(|&child| child != pid);
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return Ok(proc_man_rpc::WaitResult {
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pid,
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exit_code: code,
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});
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};
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};
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}
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}
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std::mem::drop(processes);
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std::mem::drop(processes);
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@ -94,8 +124,16 @@ impl proc_man_rpc::Server for Serv {
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if let ProcessStatus::Exited(code) = proc_status {
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if let ProcessStatus::Exited(code) = proc_status {
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self.processes.write().remove(&pid);
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self.processes.write().remove(&pid);
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syscalls::clear_exited(pid).unwrap();
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syscalls::clear_exited(pid).unwrap();
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self.processes.write().get_mut(&from).unwrap().children.retain(|&child| child != pid);
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self.processes
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return Ok(proc_man_rpc::WaitResult { pid, exit_code: code });
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.write()
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.get_mut(&from)
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.unwrap()
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.children
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.retain(|&child| child != pid);
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return Ok(proc_man_rpc::WaitResult {
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pid,
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exit_code: code,
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});
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};
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};
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if !block {
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if !block {
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return Err(Errno::EAGAIN);
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return Err(Errno::EAGAIN);
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@ -104,7 +142,6 @@ impl proc_man_rpc::Server for Serv {
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}
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}
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}
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}
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}
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}
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}
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}
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fn main() {
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fn main() {
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@ -119,7 +156,9 @@ fn main() {
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};
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};
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proc_man_rpc::register_server(Box::new(serv));
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proc_man_rpc::register_server(Box::new(serv));
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syscalls::register(3);
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syscalls::register(3);
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syslog_client.send_text_message("proc_man", "Process manager initialized").unwrap();
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syslog_client
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.send_text_message("proc_man", "Process manager initialized")
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.unwrap();
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loop {
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loop {
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ipc::process_messages();
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ipc::process_messages();
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}
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}
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