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d03b0203265dc1a271172e788b516d13a70d4e4e
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77 Commits

Author SHA1 Message Date
Peter Johnson
d03b020326 wpiutil: Add WorkerThread (#1302) 
This provides a worker thread that can execute a work function with the result
going into either a future or a uv::Loop functor.
 2018-10-29 20:54:42 -07:00
Peter Johnson
9a1af132bf Unify GetHostname() and use libuv implementation (#1391) 2018-10-28 19:01:48 -07:00
Peter Johnson
7c1a7332e1 uv::Async, uv::AsyncFunction: allow calling from within loop 2018-10-16 09:40:59 -07:00
Peter Johnson
172e438cd6 wpiutil: uv::Async: Keep weak reference to loop 
Other handles can only be used within the loop itself, but Async is intended
to be used from another thread.  This introduces the possibility of a race
condition between the loop being destroyed and the Async being destroyed.
Change Async to keep a weak reference to a loop and check it before performing
libuv operations.
 2018-10-16 09:40:59 -07:00
Peter Johnson
1a7a0db1ff wpiutil: Change uv::AsyncFunction to use promise/future. 
This allows the called function to pass along the promise to another
asynchronous callback.

To avoid memory allocations, add a home-rolled, simplified, non-allocating
version of std::promise and std::future as wpi::promise and wpi::future.
 2018-10-16 09:40:59 -07:00
Peter Johnson
c7118f8ade wpiutil: Signal: Don't use std::forward when calling (#1371) 
This causes a std::move of objects that are both moveable and copyable.
 2018-10-16 00:39:16 -07:00
Peter Johnson
7933d2cbe5 wpiutil: uv: Don't close uninitialized handles (#1372) 2018-10-16 00:38:48 -07:00
Peter Johnson
0a937bb5b9 wpiutil: SafeThread: Ensure thread is released in destructor (#1358) 
The thread must be released with either a detach or a join, otherwise
std::terminate is called.
 2018-10-06 18:07:56 -07:00
Peter Johnson
613d5eda0d wpiutil: SafeThread: join on thread exit (#1357) 
This can be conditionally disabled (for cases like JNI callbacks where the JVM
may block callbacks into it during shutdown).
 2018-10-06 15:17:13 -07:00
Peter Johnson
18c8cce6a7 SafeThread: Avoid use-after-free risk in thread shutdown (#1355) 
Use shared_ptr to keep data alive until the thread has terminated.
 2018-10-05 16:32:43 -07:00
Peter Johnson
36000ddb36 wpiutil: uv::Loop: Store the thread ID of the loop 2018-10-05 13:32:51 -07:00
Peter Johnson
de6d6c9a5c wpiutil: EventLoopRunner: Allow getting the loop shared_ptr. 2018-10-05 13:32:51 -07:00
Peter Johnson
6d99c0ac6c wpiutil: EventLoopRunner: Remove extraneous wpi namespace qualifier 2018-10-05 13:32:51 -07:00
Peter Johnson
164e9a2c7d wpiutil: uv::Work: Don't connect work and afterWork if they're null 2018-10-05 13:32:51 -07:00
Peter Johnson
f3fb95af70 wpiutil: uv::Tcp: Simplify reuse function 2018-10-05 13:32:51 -07:00
Peter Johnson
40a9fc44ff wpiutil: uv::Poll: add reuse functionality 2018-10-05 13:32:51 -07:00
Tyler Veness
8b1274d744 Replace typedefs in C++ with using declarations (#1339) 
These are more readable than typedefs. C headers were left alone.
 2018-09-26 00:09:25 -07:00
Tyler Veness
26c33a9a56 Remove priority_condition_variable (#1337) 
Make wpi::condition_variable typedef to std::condition_variable_any if
wpi::mutex typedefs to priority_mutex.

priority_condition_variable was originally intended as a copy of
std::condition_variable_any that also returned the internal handle like
std::condition_variable. This was needed because NetComm required a
pthread_cond_t. We no longer use it anywhere.

Its args were specialized for priority_mutex, but
std::condition_variable_any supports this and more through
templatization.
 2018-09-25 21:38:52 -07:00
Peter Johnson
c8482cd6d2 wpiutil: Add WebSocket implementation (#1186) 
This is a RFC 6455 compliant implementation with both client and server support.
 2018-08-24 20:54:23 -07:00
Peter Johnson
d6d5321828 wpiutil UidVector: Implement clear() and forward iterator (#1293) 
The forward iterator only iterates over "live" elements.

Also add a couple of unit tests for UidVector.
 2018-08-24 20:39:57 -07:00
Peter Johnson
8d91343bf5 wpiutil spinlock.h: Include STL mutex for convenience (#1292) 
The STL mutex header defines classes like lock_guard and unique_lock.
 2018-08-24 20:39:20 -07:00
Peter Johnson
8d8f120cc3 EventLoopRunner: Use AsyncFunction 2018-08-20 22:21:53 -07:00
Peter Johnson
57490e0002 Add uv::AsyncFunction to do a roundtrip function call to a uv::Async 
This optionally blocks to wait for a return value.
 2018-08-20 22:21:53 -07:00
Peter Johnson
1de1900dbb Change uv::Async to accept data parameters 
This is a breaking change as it makes Async a template (e.g. Async<> must
be used instead of just Async).  When data parameters are provided, an
internal mutex and vector is used to hold the parameter packs until the loop
runs.
 2018-08-20 22:21:53 -07:00
Peter Johnson
4a3e43d4a7 Add HttpMultipartScanner (#1197) 
This is a non-blocking version of FindMultipartBoundary.
 2018-08-20 22:00:54 -07:00
Peter Johnson
9e37ee13de Add wpi::HttpServerConnection and an example of its use (#1281) 2018-08-20 13:11:39 -07:00
Peter Johnson
83cfb8b19f UrlParser: fix Has() functions (#1283) 2018-08-19 17:25:42 -07:00
Peter Johnson
46ae19d082 wpiutil: Add a mutex-compatible spinlock implementation (#1272) 
Note this is only faster than mutex if compiler optimization is enabled.
 2018-08-19 01:01:10 -07:00
Peter Johnson
77124a229e Twine: disable part of isValid() that causes spurious warnings (#1271) 2018-08-16 19:35:40 -07:00
Peter Johnson
9408fd5176 Add Doxygen comments for namespaces (#1245) 2018-07-29 12:49:28 -07:00
Peter Johnson
826ed7fe3c SmallPtrSet: Fix makeIterator 2018-07-28 17:34:42 -07:00
Peter Johnson
8aac46542d Add a SimpleBufferPool for uv::Buffer (#1215) 
Buffers are reused on a regular basis in many use cases.
 2018-07-25 00:58:54 -07:00
Peter Johnson
c25d48fd0c HttpParser: Add Reset() function (#1210) 
This allows reuse of the HttpParser object for multiple requests.
 2018-07-22 19:41:23 -07:00
Peter Johnson
31ced30c1e HttpParser: Change Execute() to return StringRef (#1209) 
This is more user-friendly than returning the number of parsed bytes.
 2018-07-22 15:07:22 -07:00
Peter Johnson
5bf5821138 Cleanup docs in uv::Stream and uv::Tcp (#1207) 2018-07-22 13:01:14 -07:00
Peter Johnson
eed28a5852 Add sockaddr_in overloads for uv::Tcp and uv::Udp (#1206) 
These help avoid the need for reinterpret_casts in common use cases.
 2018-07-22 13:01:00 -07:00
Peter Johnson
435e026c08 uv::Loop: Add user-defined data (#1205) 2018-07-22 13:00:47 -07:00
Peter Johnson
739267d36d Add Reuse function to uv::Tcp (#1208) 
This allows reusing the Tcp object in cases when the connection errors out.
 2018-07-22 12:31:50 -07:00
Peter Johnson
70b0d7cb03 UDPClient: Add receive functionality (#1204) 2018-07-21 23:49:16 -07:00
Peter Johnson
caa03d23a3 Make JxArrayRef less error-prone for jxArray (#1190) 
Add a length-taking overload so that if a length happens to be provided for
a jarray, the direct byte buffer overload is not used.
 2018-07-17 20:19:49 -07:00
Peter Johnson
297863b17a Add HttpParser and UrlParser C++ wrappers for http_parser. 2018-07-17 02:24:56 -07:00
Peter Johnson
1992b67ee3 Import nodejs/http-parser. 
Upstream version: 5b76466c6b9063e2c5982423962a16f7319c81f8
 2018-07-17 02:24:56 -07:00
Peter Johnson
e2314f3528 wpiutil: Add C++ libuv wrappers (#1166) 
- Provide an EventLoopRunner to run uv::Loop on a separate thread.

- Add raw_ostream wrapper for uv::Buffer.
 2018-07-17 01:06:24 -07:00
Peter Johnson
de5d7d3c17 Only use priority_mutex on RoboRIO by default. (#1172) 
On all Linux platforms it can be specifically requested by defining
WPI_USE_PRIORITY_MUTEX.
 2018-07-03 20:35:07 -07:00
Peter Johnson
70960b0251 Signal: rename Signal to Signal_mt and Signal_st to Signal. 
The single-threaded version is fine for most of the use cases we're planning
on, and is half the size on most platforms.
 2018-06-30 00:21:09 -07:00
Peter Johnson
c8afe9bc2f Signal: Optimize to use plain std::function. 
This optimizes the common case of a single simple callback (e.g. std::function
or lambda) so no additional allocation is required.  As a Connection return
value is not possible in this case, provide a separate connect_connection()
function to provide that.
 2018-06-30 00:21:09 -07:00
Peter Johnson
b5bacc09a7 libuv: Silence cast-function-type warning on GCC 8. (#1169) 
GCC 8 treats void(*)(void) specially to silence the warning.
 2018-06-28 00:33:24 -07:00
Peter Johnson
876c650471 wpiutil: Add a signal-slot implementation. (#1163) 
Imported from https://github.com/palacaze/sigslot

Classes were renamed from lowercase_me to UppercaseMe style, primarily
to avoid conflicting with the C standard library "signal" function.  They
were also moved to the "wpi::sig" namespace.
 2018-06-27 23:01:17 -07:00
Peter Johnson
d94f49b3ba libuv: Silence clang compiler warning in uv-common.c 2018-06-24 10:31:55 -07:00
Peter Johnson
39670fc9c0 libuv: Add pragmas for win32 libraries. 2018-06-24 10:31:55 -07:00