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Author SHA1 Message Date
Tomasz Grabiec
e3fa358075 test: memcache: flush all keys after each test 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
6ed212e7c6 tests: memcache: add tests for 'stats' command 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
7ae9178439 memcache: introduce 'stats' command 
Our version prints only a subset of statistics printed by stock memcache.
 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
4edfc4f0c2 core: implement to_sstring(const char*) 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
287ad01f76 memcache: make cache::size() return only live items 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
51f52ed2b5 tests: memcache: make tests more robust 
By automatically detecting when memcache is up and running.
 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
e07e6ccbef tests: memcache: add tests for 'cas' and 'gets' 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
7c9e31a0b2 memcache: add 'cas' and 'gets' commands 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
f134fe1a94 tests: memcache: add tests for 'add' and 'replace' 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
5c649c54fb memcache: add support for 'add' and 'replace' commands 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
d5a0e9654e tests: memcache: add tests for 'noreply' variant of 'set' and 'delete' 
This also extracts some code to a common base class.
 2014-10-18 12:59:59 +02:00
Tomasz Grabiec
f3ebe8abe9 memcache: support 'noreply' on 'set' and 'delete' 2014-10-18 12:59:58 +02:00
Tomasz Grabiec
a1848ca6a7 tests: memcache: add test for 'version' command 2014-10-18 12:59:58 +02:00
Tomasz Grabiec
84d5b7098f memcache: implement 'version' command 2014-10-18 12:59:58 +02:00
Tomasz Grabiec
e30b097867 tests: memcache: fix assertion so that it works with stock memcached too 2014-10-18 12:59:58 +02:00
Tomasz Grabiec
3347a78289 tests: memcache: add tests for 'flush_all' command 2014-10-18 12:59:58 +02:00
Tomasz Grabiec
fdc4e7bbf5 tests: memcache: cleanup: rename methods 2014-10-18 12:59:58 +02:00
Tomasz Grabiec
f2b1d16ce5 memcache: implement 'flush_all' command 2014-10-18 12:59:58 +02:00
Tomasz Grabiec
09faeff196 tests: distinguish between fast and slow tests 
Most of the tests are fast and they cover most of the
functionality. The slow minority of tests takes significantly more
time to run. Developers should run tests frequently in order to get
feedback on correctness of their changes. The test runner
distinguishes now between fast and slow tests. When given '--fast'
switch it skips tests marked as slow.

$ time ./test.py
[8/8] PASSED tests/memcache/test.py --mode release
OK.

real	0m33.084s
user	0m0.501s
sys	0m0.271s

$ time ./test.py --fast
[8/8] PASSED tests/memcache/test.py --mode release --fast
OK.

real	0m1.012s
user	0m0.464s
sys	0m0.247s
 2014-10-18 12:59:50 +02:00
Tomasz Grabiec
db5cdc3918 tests: memcache: add test exploiting string_builder issue 2014-10-16 12:35:09 +02:00
Tomasz Grabiec
5d6eaaea33 ragel: reset string builder on init 
Otherwise it will contain stale data from previous unsuccessful pass.
 2014-10-16 12:24:30 +02:00
Tomasz Grabiec
6b970957d9 core: never throw from keep_doing() 
Exception thrown from async action should be returned in a failed
future rather than thrown to the caller of keep_doing().
 2014-10-16 11:45:32 +02:00
Tomasz Grabiec
c1dc3b0d53 memcache: handle end of stream properly on TCP 2014-10-16 11:45:32 +02:00
Tomasz Grabiec
2e5c3c3317 memcache: tests: add tests for error recovery 2014-10-16 11:45:30 +02:00
Tomasz Grabiec
cf2d72a360 memcache: recover from errors in the TCP stream 
This is mostly to make memcapable from libmemcached happy.

When client issued a bad command, we should discard all data we have
so that the next command on that connection can succeed.
 2014-10-16 09:11:11 +02:00
Tomasz Grabiec
45772b9ab7 test.py: run memcache with --smp 1 
It doesn't support more than one CPU yet. The symptom is that TCP
connections will have a chance of hanging when they're routed to the
CPU on which memcache doesn't run.
 2014-10-16 09:11:08 +02:00
Raphael S. Carvalho
9ef466bae2 blkdiscard_test: switch to app-template 
Signed-off-by: Raphael S. Carvalho <raphaelsc@cloudius-systems.com>
 2014-10-15 21:22:48 +03:00
Avi Kivity
7f33a52cf8 Merge branch 'memcache' of github.com:cloudius-systems/seastar-dev 
Initial version of memcached on seastar from Tomasz:

"Supports subset of ASCII protocol, commands: get, set and delete.
Both UDP and TCP are supported."
 2014-10-15 19:20:39 +03:00
Avi Kivity
e6834b9fb3 virtio: remove allocations from transmit path 
Instead of allocating a buffer vector, construct a "virtual vector"
that transforms packet fragments as needed.
 2014-10-15 17:17:01 +03:00
Avi Kivity
ba5447871b virtio: switch to allocating virtio decriptors front-to-back 
Simplifies requirements on callers.
 2014-10-15 17:17:01 +03:00
Avi Kivity
a331b5a129 virtio: move vring::buffer::completed to vring::buffer_chain 
We aren't interested in completion of a buffer, just a buffer_chain (aka
request).  Move it there to simplify things.
 2014-10-15 17:17:01 +03:00
Avi Kivity
6f1dab52fe virtio: reduce rx allocations when preparing buffers (part 2) 
Instead of producing a range of buffer chains, produce a range
of buffer arrays (std::array<buffer>).  These do not require any
allocations.
 2014-10-15 17:17:01 +03:00
Avi Kivity
7684f00ebe virtio: reduce rx allocations when preparing buffers (part 1) 
Instead of returning a vector of buffer chains, return an iterator
range that will produce those vectors on the fly, removing the vector
allocation.
 2014-10-15 17:17:01 +03:00
Avi Kivity
de4de65d46 virtio: convert vring::post() to accept an iterator to a range 
Instead of an iterator to a vector of buffers, accept an iterator
to a container of buffers, increasing flexibility for callers.
 2014-10-15 17:17:01 +03:00
Avi Kivity
d63489d6b8 util: add transform_iterator 
Like boost's - an iterator that applies a function to the result
of an underlying iterator.  Unlike boost, it supports using lambdas
for the function.
 2014-10-15 17:16:55 +03:00
Tomasz Grabiec
bb5d1164b1 tests: memcache: test both TCP and UDP 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
ec42ca860a memcache: add TCP server 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
319ae0b530 core: add shared_ptr::operator=(T&&) 
Allows to move an item directly into existing shread_ptr.
 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
a4eba9b031 posix: suppress SIGPIPE 
When socket was closed by the other side and we try to write into it
the process gets SIGPIPE. We should suppress it, so that failure is
handled locally. Now the failure will percolate up as an exception.
 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
d575ad2dfb memcache: introduce periodic stats printer 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
50feeef580 tests: memcache: introduce end-to-end tests 
These tests exercise memcache instance using a real client. The
test_memcache.py suite can be run against any memcache instance which
conforms to the ASCII protocol.
 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
6a31f3762c tests: memcache: add test for ASCII parser 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
97a16c16fd core: add operator<< which can print any vector 
Useful in tests.
 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
88537320f3 memcache: initial version 
Supports UDP and subset of ASCII protocol with the following commands:
get, set and delete.
 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
454ee88bb6 core: make keep_doing() propagate failure 2014-10-15 15:59:42 +02:00
Tomasz Grabiec
ca077f33ef core: introduce or_terminate() 
Calls std::terminate() when future fails. It can be used like this:

  do_something([] {}).or_terminate();
 2014-10-15 15:59:41 +02:00
Tomasz Grabiec
277535ca75 core: introduce vector_data_sink 2014-10-15 15:59:41 +02:00
Tomasz Grabiec
dec042f9c2 core: introduce do_for_each() 
Useful when composing iteration with async operations.
 2014-10-15 15:59:41 +02:00
Tomasz Grabiec
ceeda85080 core: add more overloads of output_stream::write() 2014-10-15 15:59:41 +02:00
Avi Kivity
4c64750f76 util: add function_input_iterator 
Like boost's template of the same name, but works with lambdas.
 2014-10-15 16:57:18 +03:00