forked from koniifer/ableos
begin work on ipc protocols
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cc4de4ab5e
commit
5e73e7a370
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@ -1,30 +1,74 @@
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use {
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crate::{
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alloc::string::ToString,
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arch::hardware_random_u64,
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holeybytes::{ecah::LogError, kernel_services::block_read, Vm},
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ipc::{protocol, protocol::Protocol},
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},
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alloc::string::String,
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hashbrown::HashMap,
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log::info,
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spin::{lazy::Lazy, Mutex},
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};
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pub struct Services(HashMap<u64, String>);
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pub struct Services(HashMap<u64, Protocol>);
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pub static SERVICES: Lazy<Mutex<Services>> = Lazy::new(|| {
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let mut dt = Services(HashMap::new());
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dt.0.insert(0, "SDS".to_string());
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info!("test");
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dt.0.insert(0, Protocol::void());
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Mutex::new(dt)
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});
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pub fn sds_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> {
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let mut msg_vec = block_read(mem_addr, length);
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let buffer_id_raw = &msg_vec[0..8];
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let mut arr = [0u8; 8];
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arr.copy_from_slice(&buffer_id_raw);
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let buffer_id = u64::from_le_bytes(arr);
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info!("BufferID({:x?})", buffer_id);
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let sds_event_type: ServiceEventType = msg_vec[0].into();
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msg_vec.remove(0);
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use ServiceEventType::*;
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match sds_event_type {
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CreateService => {
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let string = String::from_utf8(msg_vec).expect("Our bytes should be valid utf8");
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sds_create_service(string);
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}
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DeleteService => todo!(),
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SearchServices => todo!(),
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}
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// let buffer_id_raw = &msg_vec[0..8];
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// let mut arr = [0u8; 8];
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// arr.copy_from_slice(&buffer_id_raw);
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// let buffer_id = u64::from_le_bytes(arr);
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// info!("BufferID({:x?})", buffer_id);
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// let mut services = SERVICES.lock();
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// let string = String::from_utf8(msg_vec).expect("Our bytes should be valid utf8");
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// use core::borrow::BorrowMut;
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// services.borrow_mut().0.insert(buffer_id, string);
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Ok(())
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}
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enum ServiceEventType {
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CreateService = 0,
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// UpdateService = 1,
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DeleteService = 2,
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SearchServices = 3,
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}
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impl From<u8> for ServiceEventType {
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fn from(value: u8) -> Self {
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use self::*;
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match value {
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0 => Self::CreateService,
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// 1 =>
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2 => Self::DeleteService,
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3 => Self::SearchServices,
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1_u8 | 4_u8..=u8::MAX => todo!(),
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}
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}
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}
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fn sds_create_service(protocol: String) -> u64 {
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let buff_id = hardware_random_u64();
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let mut services = SERVICES.lock();
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services.0.insert(buff_id, protocol.clone().into());
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info!("BufferID({}) => {}", buff_id, protocol);
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let a: protocol::Protocol = protocol.into();
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buff_id
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}
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@ -1,10 +1,9 @@
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//!
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use {
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super::message::Message,
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super::{message::Message, protocol::Protocol},
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crossbeam_queue::{ArrayQueue, SegQueue},
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};
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pub enum BufferTypes {
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Unbound(SegQueue<Message>),
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Bound(ArrayQueue<Message>),
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@ -30,14 +29,14 @@ impl IpcBuffer {
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let buftype = BufferTypes::Unbound(SegQueue::new());
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Self {
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protocol: Protocol {},
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protocol: Protocol::void(),
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buffer: buftype,
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}
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}
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(true, length) => {
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let buftype = BufferTypes::Bound(ArrayQueue::new(length as usize));
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Self {
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protocol: Protocol {},
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protocol: Protocol::void(),
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buffer: buftype,
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}
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}
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@ -72,17 +71,3 @@ pub enum IpcError {
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/// An invalid message error returned to the sender
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InvalidMessage,
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}
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/// TODO: define this, possibly as the binary form of the IDL
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/// DEPEND: This depends on an IDL
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pub struct Protocol {
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// TODO: add in settings
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// like `invalid_message_handler` with some options similar to
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// `Deny` Drops the message
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// `Allow` Allows invalid messages (This disables validators IPC side and relies on programs to handle invalid messages)
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// `CustomFunct` a callback
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// and `report_invalid_messages_to_sender`
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// `True`
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// `False`
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// settings: PSettings,
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}
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@ -1,3 +1,4 @@
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//! Interprocess communication
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pub mod buffer;
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pub mod message;
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pub mod protocol;
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40
kernel/src/ipc/protocol.rs
Normal file
40
kernel/src/ipc/protocol.rs
Normal file
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@ -0,0 +1,40 @@
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use {
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alloc::{string::String, vec::Vec},
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hashbrown::HashMap,
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log::info,
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};
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pub struct Type {}
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pub struct Funct {
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takes: Vec<String>,
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gives: Vec<String>,
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}
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pub struct Protocol {
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types: HashMap<String, Type>,
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fns: HashMap<String, Funct>,
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}
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impl Protocol {
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pub fn void() -> Self {
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Self {
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types: HashMap::new(),
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fns: HashMap::new(),
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}
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}
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// Check if a protocol defines all types it needs too
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fn validate_protocol() -> bool {
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false
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}
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}
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impl From<String> for Protocol {
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fn from(value: alloc::string::String) -> Self {
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if value.starts_with("protocol") {
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info!("ABC");
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}
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Self {
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types: HashMap::new(),
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fns: HashMap::new(),
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}
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}
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}
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@ -1,7 +1,7 @@
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fn set_buffer_protocol(buffer_id, string) {
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let str = data::str("01234567" + string);
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li64(r10, buffer_id);
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str(r10, r0, str, 8);
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fn create_buffer_protocol(string) {
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let str = data::str("0" + string);
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li8(r10, 0);
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str(r10, r0, str, 1);
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li64(r1, 3);
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li64(r2, 0);
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}
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set_buffer_protocol(1, "string");
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create_buffer_protocol("protocol Math {\n\r"+
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"\tfn add(i64, i64) -> i64;\n\r"+
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"\tfn div(i64, i64) -> i64;\n\r"+
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"}");
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tx();
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