Implementation of scheduler in pus and tmtc handler #29

Merged
muellerr merged 13 commits from pus_schedule_implementation into main 2023-02-01 13:40:49 +01:00
6 changed files with 157 additions and 35 deletions
Showing only changes of commit 7569244a90 - Show all commits

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@ -10,6 +10,7 @@ use spacepackets::tc::{GenericPusTcSecondaryHeader, PusTc};
use spacepackets::time::cds::DaysLen24Bits;
use spacepackets::time::{CcsdsTimeProvider, TimeReader, TimestampError, UnixTimestamp};
use std::collections::BTreeMap;
use std::dbg;
#[cfg(feature = "std")]
use std::error::Error;
#[cfg(feature = "std")]
@ -285,13 +286,14 @@ impl PusScheduler {
/// Utility method which calls [Self::telecommands_to_release] and then calls a releaser
/// closure for each telecommand which should be released. This function will also delete
/// the telecommands from the holding store after calling the release closure.
/// the telecommands from the holding store after calling the release closure, if the scheduler
/// is disabled.
///
/// # Arguments
///
/// * `releaser` - Closure where the first argument is whether the scheduler is enabled and
/// the second argument is the store address. This closure should return whether the
/// command should be deleted.
/// command should be deleted if the scheduler is disabled to prevent memory leaks.
/// * `store` - The holding store of the telecommands.
pub fn release_telecommands<R: FnMut(bool, &StoreAddr) -> bool>(
&mut self,
@ -305,7 +307,7 @@ impl PusScheduler {
for addr in tc.1 {
let should_delete = releaser(self.enabled, addr);
released_tcs += 1;
if should_delete {
if should_delete && !self.is_enabled() {
let res = tc_store.delete(*addr);
if res.is_err() {
store_error = res;
@ -447,6 +449,16 @@ mod tests {
assert!(expected_store_addrs.contains(store_addr));
*counter += 1;
}
fn common_check_disabled(
enabled: bool,
store_addr: &StoreAddr,
expected_store_addrs: Vec<StoreAddr>,
counter: &mut usize,
) {
assert_eq!(enabled, false);
assert!(expected_store_addrs.contains(store_addr));
*counter += 1;
}
#[test]
fn release_basic() {
@ -481,7 +493,7 @@ mod tests {
.release_telecommands(&mut test_closure_1, &mut pool)
.expect("deletion failed");
assert_eq!(released, 1);
assert!(!pool.has_element_at(&first_addr).unwrap());
assert!(pool.has_element_at(&first_addr).unwrap());
// test 3, late timestamp, release 1 overdue tc
let mut test_closure_2 = |boolvar: bool, store_addr: &StoreAddr| {
@ -495,7 +507,7 @@ mod tests {
.release_telecommands(&mut test_closure_2, &mut pool)
.expect("deletion failed");
assert_eq!(released, 1);
assert!(!pool.has_element_at(&second_addr).unwrap());
assert!(pool.has_element_at(&second_addr).unwrap());
//test 4: no tcs left
scheduler
@ -540,8 +552,8 @@ mod tests {
.release_telecommands(&mut test_closure, &mut pool)
.expect("deletion failed");
assert_eq!(released, 2);
assert!(!pool.has_element_at(&first_addr).unwrap());
assert!(!pool.has_element_at(&second_addr).unwrap());
assert!(pool.has_element_at(&first_addr).unwrap());
assert!(pool.has_element_at(&second_addr).unwrap());
//test 3: no tcs left
released = scheduler
@ -553,6 +565,66 @@ mod tests {
assert_eq!(i, 2);
}
#[test]
fn release_with_scheduler_disabled() {
let mut pool = LocalPool::new(PoolCfg::new(vec![(10, 32), (5, 64)]));
let mut scheduler =
PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
scheduler.disable();
let first_addr = pool.add(&[2, 2, 2]).unwrap();
scheduler.insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), first_addr);
let second_addr = pool.add(&[5, 6, 7]).unwrap();
scheduler.insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(200), second_addr);
let mut i = 0;
let mut test_closure_1 = |boolvar: bool, store_addr: &StoreAddr| {
common_check_disabled(boolvar, store_addr, vec![first_addr], &mut i);
true
};
// test 1: too early, no tcs
scheduler.update_time(UnixTimestamp::new_only_seconds(99));
scheduler
.release_telecommands(&mut test_closure_1, &mut pool)
.expect("deletion failed");
// test 2: exact time stamp of tc, releases 1 tc
scheduler.update_time(UnixTimestamp::new_only_seconds(100));
let mut released = scheduler
.release_telecommands(&mut test_closure_1, &mut pool)
.expect("deletion failed");
assert_eq!(released, 1);
assert!(!pool.has_element_at(&first_addr).unwrap());
// test 3, late timestamp, release 1 overdue tc
let mut test_closure_2 = |boolvar: bool, store_addr: &StoreAddr| {
common_check_disabled(boolvar, store_addr, vec![second_addr], &mut i);
true
};
scheduler.update_time(UnixTimestamp::new_only_seconds(206));
released = scheduler
.release_telecommands(&mut test_closure_2, &mut pool)
.expect("deletion failed");
assert_eq!(released, 1);
assert!(!pool.has_element_at(&second_addr).unwrap());
//test 4: no tcs left
scheduler
.release_telecommands(&mut test_closure_2, &mut pool)
.expect("deletion failed");
// check that 2 total tcs have been released
assert_eq!(i, 2);
}
fn scheduled_tc(timestamp: UnixTimestamp, buf: &mut [u8]) -> PusTc {
let cds_time = cds::TimeProvider::from_unix_secs_with_u16_days(&timestamp).unwrap();

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@ -5,18 +5,21 @@ import struct
import sys
import time
from typing import Optional
import datetime
import tmtccmd
from spacepackets.ecss import PusTelemetry, PusTelecommand, PusVerificator
from spacepackets.ecss.pus_17_test import Service17Tm
from spacepackets.ecss.pus_1_verification import UnpackParams, Service1Tm
from spacepackets.ccsds.time import CdsShortTimestamp
from tmtccmd import CcsdsTmtcBackend, TcHandlerBase, ProcedureParamsWrapper
from tmtccmd.tc.pus_3_fsfw_hk import generate_one_hk_command, make_sid
from tmtccmd.tc.pus_11_tc_sched import create_time_tagged_cmd
from tmtccmd.core.base import BackendRequest
from tmtccmd.pus import VerificationWrapper
from tmtccmd.tm import CcsdsTmHandler, SpecificApidHandlerBase
from tmtccmd.com_if import ComInterface
from tmtccmd.com import ComInterface
from tmtccmd.config import (
default_json_path,
SetupParams,
@ -41,7 +44,7 @@ from tmtccmd.tc import (
SendCbParams,
DefaultPusQueueHelper,
)
from tmtccmd.tm.pus_5_event import Service5Tm
from tmtccmd.tm.pus_5_fsfw_event import Service5Tm
from tmtccmd.util import FileSeqCountProvider, PusFileSeqCountProvider
from tmtccmd.util.obj_id import ObjectIdDictT
@ -57,7 +60,7 @@ class SatRsConfigHook(TmTcCfgHookBase):
super().__init__(json_cfg_path=json_cfg_path)
def assign_communication_interface(self, com_if_key: str) -> Optional[ComInterface]:
from tmtccmd.config.com_if import (
from tmtccmd.config.com import (
create_com_interface_default,
create_com_interface_cfg_default,
)
@ -94,6 +97,13 @@ class SatRsConfigHook(TmTcCfgHookBase):
info="PUS Service 3 Housekeeping",
op_code_entry=srv_3
)
srv_11 = OpCodeEntry()
srv_11.add("0", "Scheduled TC Test")
defs.add_service(
name=CoreServiceList.SERVICE_11,
info="PUS Service 11 TC Scheduling",
op_code_entry=srv_11,
)
return defs
def perform_mode_operation(self, tmtc_backend: CcsdsTmtcBackend, mode: int):
@ -120,7 +130,7 @@ class PusHandler(SpecificApidHandlerBase):
def handle_tm(self, packet: bytes, _user_args: any):
try:
tm_packet = PusTelemetry.unpack(packet)
tm_packet = PusTelemetry.unpack(packet, time_reader=CdsShortTimestamp.empty())
except ValueError as e:
LOGGER.warning("Could not generate PUS TM object from raw data")
LOGGER.warning(f"Raw Packet: [{packet.hex(sep=',')}], REPR: {packet!r}")
@ -128,7 +138,7 @@ class PusHandler(SpecificApidHandlerBase):
service = tm_packet.service
dedicated_handler = False
if service == 1:
tm_packet = Service1Tm.unpack(data=packet, params=UnpackParams(1, 2))
tm_packet = Service1Tm.unpack(data=packet, params=UnpackParams(CdsShortTimestamp.empty(), 1, 2))
res = self.verif_wrapper.add_tm(tm_packet)
if res is None:
LOGGER.info(
@ -145,16 +155,16 @@ class PusHandler(SpecificApidHandlerBase):
if service == 3:
LOGGER.info("No handling for HK packets implemented")
LOGGER.info(f"Raw packet: 0x[{packet.hex(sep=',')}]")
pus_tm = PusTelemetry.unpack(packet)
pus_tm = PusTelemetry.unpack(packet, time_reader=CdsShortTimestamp.empty())
if pus_tm.subservice == 25:
if len(pus_tm.source_data) < 8:
raise ValueError("No addressable ID in HK packet")
json_str = pus_tm.source_data[8:]
dedicated_handler = True
if service == 5:
tm_packet = Service5Tm.unpack(packet)
tm_packet = Service5Tm.unpack(packet, time_reader=CdsShortTimestamp.empty())
if service == 17:
tm_packet = Service17Tm.unpack(packet)
tm_packet = Service17Tm.unpack(packet, time_reader=CdsShortTimestamp.empty())
dedicated_handler = True
if tm_packet.subservice == 2:
self.printer.file_logger.info("Received Ping Reply TM[17,2]")
@ -205,7 +215,10 @@ class TcHandler(TcHandlerBase):
self.verif_wrapper = verif_wrapper
self.queue_helper = DefaultPusQueueHelper(
queue_wrapper=None,
tc_sched_timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE,
seq_cnt_provider=seq_count_provider,
pus_verificator=self.verif_wrapper.pus_verificator,
default_pus_apid=EXAMPLE_PUS_APID
)
def send_cb(self, send_params: SendCbParams):
@ -213,10 +226,6 @@ class TcHandler(TcHandlerBase):
if entry_helper.is_tc:
if entry_helper.entry_type == TcQueueEntryType.PUS_TC:
pus_tc_wrapper = entry_helper.to_pus_tc_entry()
pus_tc_wrapper.pus_tc.seq_count = (
self.seq_count_provider.get_and_increment()
)
self.verif_wrapper.add_tc(pus_tc_wrapper.pus_tc)
raw_tc = pus_tc_wrapper.pus_tc.pack()
LOGGER.info(f"Sending {pus_tc_wrapper.pus_tc}")
send_params.com_if.send(raw_tc)
@ -247,6 +256,14 @@ class TcHandler(TcHandlerBase):
return q.add_pus_tc(
PusTelecommand(service=17, subservice=1)
)
if service == CoreServiceList.SERVICE_11:
q.add_log_cmd("Sending PUS scheduled TC telecommand")
crt_time = CdsShortTimestamp.from_now()
time_stamp = crt_time + datetime.timedelta(seconds=10)
time_stamp = time_stamp.pack()
return q.add_pus_tc(
create_time_tagged_cmd(time_stamp, PusTelecommand(service=17, subservice=1), apid=EXAMPLE_PUS_APID)
)
if service == CoreServiceList.SERVICE_3:
if op_code in HkOpCodes.GENERATE_ONE_SHOT:
q.add_log_cmd("Sending HK one shot request")

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@ -1 +1,2 @@
tmtccmd == 3.0.0
# tmtccmd == 4.0.0a2
-e git+https://github.com/robamu-org/tmtccmd@97e5e51101a08b21472b3ddecc2063359f7e307a#egg=tmtccmd

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@ -287,8 +287,18 @@ impl PusReceiver {
}
fn handle_scheduled_tc(&mut self, pus_tc: &PusTc, token: VerificationToken<TcStateAccepted>) {
self.update_time_stamp();
if pus_tc.user_data().is_none() {
self.update_time_stamp();
self.verif_reporter
.start_failure(
token,
FailParams::new(Some(&self.time_stamp), &tmtc_err::NOT_ENOUGH_APP_DATA, None),
)
.expect("Sending start failure TM failed");
return;
}
self.update_time_stamp();
match pus_tc.subservice() {
1 => {
let start_token = self
@ -305,6 +315,7 @@ impl PusReceiver {
} else {
panic!("Failed to enable scheduler");
}
drop(scheduler);
}
2 => {
let start_token = self
@ -321,6 +332,7 @@ impl PusReceiver {
} else {
panic!("Failed to disable scheduler");
}
drop(scheduler);
}
3 => {
let start_token = self
@ -328,7 +340,6 @@ impl PusReceiver {
.start_success(token, Some(&self.time_stamp))
.expect("Error sending start success");
let mut scheduler = self.scheduler.borrow_mut();
let mut pool = self
.tc_source
.tc_store
@ -336,9 +347,11 @@ impl PusReceiver {
.write()
.expect("Locking pool failed");
let mut scheduler = self.scheduler.borrow_mut();
scheduler
.reset(pool.as_mut())
.expect("Error resetting TC Pool");
drop(scheduler);
self.verif_reporter
.completion_success(start_token, Some(&self.time_stamp))
@ -350,19 +363,19 @@ impl PusReceiver {
.start_success(token, Some(&self.time_stamp))
.expect("Error sending start success");
let mut scheduler = self.scheduler.borrow_mut();
let mut pool = self
.tc_source
.tc_store
.pool
.write()
.expect("Locking pool failed");
let mut scheduler = self.scheduler.borrow_mut();
scheduler
.insert_wrapped_tc::<spacepackets::time::cds::TimeProvider>(
pus_tc,
pool.as_mut(),
)
.insert_wrapped_tc::<TimeProvider>(pus_tc, pool.as_mut())
.expect("TODO: panic message");
let time =
TimeProvider::from_bytes_with_u16_days(&pus_tc.user_data().unwrap()).unwrap();
drop(scheduler);
self.verif_reporter
.completion_success(start_token, Some(&self.time_stamp))

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@ -195,11 +195,13 @@ pub fn core_tmtc_task(args: OtherArgs, mut tc_args: TcArgs, tm_args: TmArgs) {
//let (mut tc_source, mut tc_receiver) = tc_args.split();
let mut tc_buf: [u8; 4096] = [0; 4096];
loop {
let mut tmtc_sched = scheduler.clone();
core_tmtc_loop(
&mut udp_tmtc_server,
&mut tc_args,
&mut tc_buf,
//&mut tc_source,
//&mut tc_receiver,
&mut pus_receiver,
@ -212,6 +214,7 @@ pub fn core_tmtc_task(args: OtherArgs, mut tc_args: TcArgs, tm_args: TmArgs) {
fn core_tmtc_loop(
udp_tmtc_server: &mut UdpTmtcServer,
tc_args: &mut TcArgs,
tc_buf: &mut [u8],
//tc_source: &mut PusTcSource,
//tc_receiver: &mut Receiver<StoreAddr>,
pus_receiver: &mut PusReceiver,
@ -224,23 +227,40 @@ fn core_tmtc_loop(
}
};
let mut pool = tc_args
.tc_source
.tc_store
.pool
.write()
.expect("error locking pool");
let mut scheduler = scheduler.borrow_mut();
let mut pool = tc_args.tc_source.tc_store.pool.write().expect("error locking pool");
scheduler
.release_telecommands(releaser, pool.as_mut())
.expect("error releasing tc");
scheduler.update_time_from_now().unwrap();
match scheduler.release_telecommands(releaser, pool.as_mut()) {
Ok(released_tcs) => {
if released_tcs > 0 {
println!("{} Tc(s) released from scheduler", released_tcs);
}
}
Err(_) => {}
}
//.expect("error releasing tc");
drop(pool);
drop(scheduler);
while poll_tc_server(udp_tmtc_server) {}
match tc_args.tc_receiver.try_recv() {
Ok(addr) => {
let pool = tc_args.tc_source
let pool = tc_args
.tc_source
.tc_store
.pool
.read()
.expect("locking tc pool failed");
let data = pool.read(&addr).expect("reading pool failed");
match PusTc::from_bytes(data) {
tc_buf[0..data.len()].copy_from_slice(data);
drop(pool);
match PusTc::from_bytes(tc_buf) {
Ok((pus_tc, _)) => {
pus_receiver
.handle_pus_tc_packet(pus_tc.service(), pus_tc.sp_header(), &pus_tc)
@ -248,7 +268,7 @@ fn core_tmtc_loop(
}
Err(e) => {
println!("error creating PUS TC from raw data: {e}");
println!("raw data: {data:x?}");
println!("raw data: {tc_buf:x?}");
}
}
}
@ -264,7 +284,6 @@ fn core_tmtc_loop(
}
fn poll_tc_server(udp_tmtc_server: &mut UdpTmtcServer) -> bool {
match udp_tmtc_server.udp_tc_server.try_recv_tc() {
Ok(_) => true,
Err(e) => match e {