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FileQLogger Improvements

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Summary:
- Gracefully catch errors when QLog file cannot be created.
- Remove an unused variable.

Reviewed By: avasylev

Differential Revision: D31671608

fbshipit-source-id: 058d852eb2dc1c513dc6c6eb22aee29b77a1b96d
This commit is contained in:
Joseph Beshay
2021-10-15 12:35:32 -07:00
committed by Facebook GitHub Bot
parent aa7cef3090
commit dadf8652c2
2 changed files with 51 additions and 7 deletions
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44
quic/logging/test/QLoggerTest.cpp
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@@ -8,10 +8,10 @@
#include <quic/logging/QLogger.h>
#include <boost/filesystem.hpp>
#include <folly/FileUtil.h>
#include <folly/Random.h>
#include <folly/json.h>
#include <folly/portability/Filesystem.h>
#include <gtest/gtest.h>
#include <quic/common/test/TestUtils.h>
#include <quic/congestion_control/Bbr.h>
@@ -1242,7 +1242,7 @@ TEST_F(QLoggerTest, PrettyStream) {
ReadStreamFrame frame(streamId, offset, fin);
regularQuicPacket.frames.emplace_back(std::move(frame));
auto dir = boost::filesystem::temp_directory_path().string();
auto dir = folly::fs::temp_directory_path().string();
auto* q = new FileQLogger(
VantagePoint::Server,
@@ -1353,7 +1353,7 @@ TEST_F(QLoggerTest, NonPrettyStream) {
ReadStreamFrame frame(streamId, offset, fin);
regularQuicPacket.frames.emplace_back(std::move(frame));
auto dir = boost::filesystem::temp_directory_path().string();
auto dir = folly::fs::temp_directory_path().string();
auto* q = new FileQLogger(
VantagePoint::Server,
@@ -1406,7 +1406,7 @@ TEST_F(QLoggerTest, CompressedStream) {
ReadStreamFrame frame(streamId, offset, fin);
regularQuicPacket.frames.emplace_back(std::move(frame));
auto dir = boost::filesystem::temp_directory_path().string();
auto dir = folly::fs::temp_directory_path().string();
auto* q = new FileQLogger(
VantagePoint::Server,
@@ -1450,7 +1450,7 @@ TEST_F(QLoggerTest, CompressedNonStream) {
ReadStreamFrame frame(streamId, offset, fin);
regularQuicPacket.frames.emplace_back(std::move(frame));
auto dir = boost::filesystem::temp_directory_path().string();
auto dir = folly::fs::temp_directory_path().string();
FileQLogger q(
VantagePoint::Server,
@@ -1485,4 +1485,38 @@ TEST_F(QLoggerTest, CompressedNonStream) {
EXPECT_EQ(expected["traces"], parsed["traces"]);
}
TEST_F(QLoggerTest, NoThrowOnStreamingWithNonExistentDirectory) {
auto headerIn =
ShortHeader(ProtectionType::KeyPhaseZero, getTestConnectionId(1), 1);
RegularQuicPacket regularQuicPacket(std::move(headerIn));
ReadStreamFrame frame(streamId, offset, fin);
regularQuicPacket.frames.emplace_back(std::move(frame));
auto dir = std::tmpnam(nullptr);
// Output directory does not exist.
ASSERT_FALSE(folly::fs::exists(dir));
auto* q = new FileQLogger(
VantagePoint::Server,
kHTTP3ProtocolType,
dir,
false /* prettyJson */,
true /* streaming */,
true /* compress */);
EXPECT_NO_THROW(q->setDcid(ConnectionId::createRandom(8)));
q->addPacket(regularQuicPacket, 10);
EXPECT_EQ(
q->logs.size(),
0); // Packet is not written but also not being kept in memory
std::string outputPath =
folly::to<std::string>(dir, "/", (q->dcid.value()).hex(), ".qlog.gz");
delete q;
// Output file was not created
EXPECT_FALSE(folly::fs::exists(outputPath));
}
} // namespace quic::test