| Commit message (Collapse) | Author | Age |
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This addresses the use of the pipe special field, and eliminates it.
The message APIs (recvmsg, sendmsg) need to be updated as well still,
but I want to handle that as part of a separate issue.
While here we fixed various compiler warnings, etc.
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This introduces enough of the HTTP API to support fully server
applications, including creation of websocket style protocols,
pluggable handlers, and so forth.
We have also introduced scatter/gather I/O (rudimentary) for
aios, and made other enhancements to the AIO framework. The
internals of the AIOs themselves are now fully private, and we
have eliminated the aio->a_addr member, with plans to remove the
pipe and possibly message members as well.
A few other minor issues were found and fixed as well.
The HTTP API includes request, response, and connection objects,
which can be used with both servers and clients. It also defines
the HTTP server and handler objects, which support server applications.
Support for client applications will require a client object to be
exposed, and that should be happening shortly.
None of this is "documented" yet, bug again, we will follow up shortly.
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The test suites run as root inside docker (?), so the files permission
test needs to be skipped.
Circle, like Travis, lacks support correct IPv6. I think this is because
of basic deficiency in Amazon's EC2 product. Come on Amazon, it's 2017,
you have to support IPv6!
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This makes all the protocols and transports optional. All
of them except ZeroTier are enabled by default, but you can
now disable them (remove from the build) with cmake options.
The test suite is modified so that tests still run as much
as they can, but skip over things caused by missing functionality
from the library (due to configuration).
Further, the constant definitions and prototypes for functions
that are specific to transports or protocols are moved into
appropriate headers, which should be included directly by
applications wishing to use these.
We have also added and improved documentation -- all of the
transports are documented, and several more man pages for
protocols have been added. (Req/Rep and Surveyor are still
missing.)
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We allocate AIO structures dynamically, so that we can use them
abstractly in more places without inlining them. This will be used
for the ZeroTier transport to allow us to create operations consisting
of just the AIO. Furthermore, we provide accessors for some of the
aio members, in the hopes that we will be able to wrap these for
"safe" version of the AIO capability to export to applications, and
to protocol and transport implementors.
While here we cleaned up the protocol details to use consistently
shorter names (no nni_ prefix for static symbols needed), and we
also fixed a bug in the surveyor code.
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This moves the DNS related functionality into common code, and also
removes all the URL parsing stuff out of the platform specific code
and into the transports. Now the transports just take sockaddr's on
initialization. (We may want to move this until later.)
We also add UDP resolution as another separate API.
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We only compile files that are appropriate for the platform. (We
still have guards in place, to allow for a future single .C file
to be built from all the sources.) We also remove the subsystem defines;
if a new platform needs to deviate from POSIX in ways beyond what we
intended here, then that platform should just copy those parts into
a new platform directory, rather than cross including portions from
POSIX.
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It turns out that I had to fix a number of subtle asynchronous
handling bugs, but now TCP is fully asynchronous. We need to
change the high-level dial and listen interfaces to be async
as well.
Some of the transport APIs have changed here, and I've elected
to change what we expose to consumers as endpoints into seperate
dialers and listeners. Under the hood they are the same, but
it turns out that its helpful to know the intended use of the
endpoint at initialization time.
Scalability still occasionally hangs on Linux. Investigation
pending.
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