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common/params: support nonblocking write (#29808)

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* Safe and efficient asynchronous writing parameters

* call putNonBlocking in locationd

* remove space

* ->AsyncWriter

* remove semicolon

* use member function

* asyc write multiple times

* add test case for AsyncWriter

* merge master

* add missing include

* public

* cleanup

* create once

* cleanup

* update that

* explicit waiting

* improve test case

* pass prefix to asywriter

* move to params

* assert(queue.empty())

* add comment

* add todo

* test_power_monitoring: remove patch

* rm laikad.py

* fix import

---------

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
old-commit-hash: 3c4c4d1f7f22884f84f0f52ad45ab0412fab1eb5
This commit is contained in:
Dean Lee
2023-12-14 12:36:01 +08:00
committed by GitHub
parent 995c951dae
commit 1d7d7b89b2
14 changed files with 111 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/tests/test_params.cc
+27
View File
@@ -0,0 +1,27 @@
#include "catch2/catch.hpp"
#define private public
#include "common/params.h"
#include "common/util.h"
TEST_CASE("params_nonblocking_put") {
char tmp_path[] = "/tmp/asyncWriter_XXXXXX";
const std::string param_path = mkdtemp(tmp_path);
auto param_names = {"CarParams", "IsMetric"};
{
Params params(param_path);
for (const auto &name : param_names) {
params.putNonBlocking(name, "1");
// param is empty
REQUIRE(params.get(name).empty());
}
// check if thread is running
REQUIRE(params.future.valid());
REQUIRE(params.future.wait_for(std::chrono::milliseconds(0)) == std::future_status::timeout);
}
// check results
Params p(param_path);
for (const auto &name : param_names) {
REQUIRE(p.get(name) == "1");
}
}
common/tests/test_params.py
+3 -3
View File
@@ -4,7 +4,7 @@ import time
import uuid
import unittest
from openpilot.common.params import Params, ParamKeyType, UnknownKeyName, put_nonblocking, put_bool_nonblocking
from openpilot.common.params import Params, ParamKeyType, UnknownKeyName
class TestParams(unittest.TestCase):
def setUp(self):
@@ -86,7 +86,7 @@ class TestParams(unittest.TestCase):
q = Params()
def _delayed_writer():
time.sleep(0.1)
put_nonblocking("CarParams", "test")
Params().put_nonblocking("CarParams", "test")
threading.Thread(target=_delayed_writer).start()
assert q.get("CarParams") is None
assert q.get("CarParams", True) == b"test"
@@ -95,7 +95,7 @@ class TestParams(unittest.TestCase):
q = Params()
def _delayed_writer():
time.sleep(0.1)
put_bool_nonblocking("CarParams", True)
Params().put_bool_nonblocking("CarParams", True)
threading.Thread(target=_delayed_writer).start()
assert q.get("CarParams") is None
assert q.get("CarParams", True) == b"1"