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ServerRequest now inherit stream Readable object. ServerResponse
provides 'writable' property.
Thanks to Wu Jian Ping (@wujjpp).
This closes #274, closes #317 issues and closes #502 PR on GitHub.
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Changes introduced in a27532e3a17b effectively broke building of the unit
package due to missed dh_installsystemd script in older debhelper 9.x.
Once Ubuntu 16.04 reach EOL, the following actions should be made:
- this commit should be reverted;
- minimal debhelper version should be increased to 11.
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This was broken since 00d8049418cf.
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This is required in order to build Debian packages from current tip
without making manual interventions.
Moving forward, this should be a part of every version bump commit.
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This allows tests to pass well in cases when the default user specified in
the ./configure parameters does not exist in the building environment.
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When a static file larger than NXT_HTTP_STATIC_BUF_SIZE (128K) is served, two
buffers are allocated and chained; each retains the whole request memory pool.
Starting from 41331471eee7, the completion handler was called once for a linked
buffer chain, but the second buffer got lost.
This patch improves the completion handler's treatment of static buffers to
handle all linked buffers.
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The Go compiler can't detect changes to C header files when
compiling CGO applications, and then this leads to Go test
samples being linked with wrong libunit.
This patch creates a new cache directory reused throughout
the test suite.
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The nxt_unit_ctx_port_recv() function may return the NXT_UNIT_AGAIN code, in
which case an attempt to reread the message should be made.
The issue was reproduced in load testing with response sizes 16k and up.
In the rare case of a NXT_UNIT_AGAIN result, a buffer of size -1 was processed,
which triggered a 'message too small' alert; after that, the app process was
terminated.
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Under high load, a queue synchonization issue may occur, starting from the
steady state when an app queue message is dequeued immediately after it has been
enqueued. In this state, the router always puts the first message in the queue
and is forced to notify the app about a new message in an empty queue using a
socket pair. On the other hand, the application dequeues and processes the
message without reading the notification from the socket, so the socket buffer
overflows with notifications.
The issue was reproduced during Unit load tests. After a socket buffer
overflow, the router is unable to notify the app about a new first message.
When another message is enqueued, a notification is not required, so the queue
grows without being read by the app. As a result, request processing stops.
This patch changes the notification algorithm by counting the notifications in
the pipe instead of getting the number of messages in the queue.
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Multithreaded application may create different shared memory segments in
different threads. The segments then passed to different router threads.
Because of this multithreading, the order of adding incoming segments is
not determined and there can be situation when some of the incoming segments
are not initialized yet.
This patch simply adds check for NULL to skip non-initialized segments.
Crash reproduced during load tests with high number of simultaneous
connections (1024 and more).
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While at it, propagate unit build depends to modules.
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This resolves the following lintian error:
https://lintian.debian.org/tags/missing-notice-file-for-apache-license.html
While here, changed upstream changelog name to conform with the policy:
https://lintian.debian.org/tags/wrong-name-for-upstream-changelog.html
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This is useful for running particular tests, e.g.:
PYTEST_ARGS='test/test_respawn.py::TestRespawn::test_respawn_router' make test
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The WSGI environment dictionary contains a number of static items, that are
pre-initialized on application start. Then it's copied for each request to be
filled with request-related data.
Now this dictionary copy operation will be done between processing of requests,
which should save some CPU cycles during request processing and thus reduce
response latency for non-peak load periods.
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The code had a wrong assumption that "mount namespaces" automatically
unmounts process mounts when exits but this happens only with
unprivileged mounts.
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Prerequisite checks moved to the fixture in conftest.py.
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This change eliminates the need for some classes
to run Unit one more time before running tests.
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Ruby threads need to be created with GVL; otherwise, an attempt to access
locked resources may occur, causing a crash.
The issue was occasionally reproduced on Ubuntu 18.04 with Ruby 2.5.1
while running test_ruby_application_threads.
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While alternating between running priv and unpriv tests
locally, it happens that unpriv tests can't bind mount
or create sub directories inside directories created
by root. This patch fixes this by pointing "rootfs"
to temporary directory.
Now the priv and unpriv test uses the same test function.
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This closes #498 issue on GitHub.
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According to Section #3.1.2 of RFC 7230, after the status code
there must be a space even if the reason phrase is empty.
Also, only 3 digits allowed.
This closes #507 issue on GitHub.
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This fixes a crash on exit of Node.js application. The crash reproduced
on Ubuntu 20.10 with Node.js v15.1.0. Tests 'test_node_websockets_two_clients'
and 'test_node_websockets_7_13_1__7_13_2'.
The reason of the crash is using request struct which was already freed.
The issue was introduced in 5be509fda29e.
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This change is necessary to separate the logic
and prevent possible circular dependency.
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Warnings changed for debug messages.
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If shared queue is empty, allocated read buffer should be explicitly
released.
Found by Coverity (CID 363943).
The issue was introduced in f5ba5973a0a3.
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