| Commit message (Collapse) | Author | Age |
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This is going to be used to facilitate debugging, and eliminate some
inconveniences around these things. We plan to move the pipe functions
to use these directly, hopefully moving away from the pipe_getopt hack.
(The transport API will need to grow these. For now this is just the
streams.)
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This avoids the need for a lock during listener or dialer initialization,
and it avoids the need to carry these pointers on those objects.
It also eliminates a potential failure case "post startup".
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fixes #179 DNS resolution should be done at connect time
fixes #586 Windows IO completion port work could be better
fixes #339 Windows iocp could use synchronous completions
fixes #280 TCP abstraction improvements
This is a rather monstrous set of changes, which refactors TCP, and
the underlying Windows I/O completion path logic, in order to obtain
a cleaner, simpler API, with support for asynchronous DNS lookups performed
on connect rather than initialization time, the ability to have multiple
connects or accepts pending, as well as fewer extraneous function calls.
The Windows code also benefits from greatly reduced context switching,
fewer lock operations performed, and a reduced number of system calls
on the hot code path. (We use automatic event resetting instead of manual.)
Some dead code was removed as well, and a few potential edge case leaks
on failure paths (in the websocket code) were plugged.
Note that all TCP based transports benefit from this work. The IPC code
on Windows still uses the legacy IOCP for now, as does the UDP code (used
for ZeroTier.) We will be converting those soon too.
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fixes #438 Consider dropping AI_V4MAPPED
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fixes #106 TCP keepalive tuning
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fixes #290 sockaddr improvements
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This causes TCP, TLS, and ZT endpoints to resolve any
wildcards, and even IP addresses, when reporting the listen
URL. The dialer URL is reported unresolved. Test cases
for this are added as well, and nngcat actually reports this
if --verbose is supplied.
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We enabled verbose compiler warnings, and found a lot of issues.
Some of these were even real bugs. As a bonus, we actually save
some initialization steps in the compat layer, and avoid passing
some variables we don't need.
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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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This addresses a number of problems that were found on Windows,
including one bug that actually turned up in testing on POSIX.
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fixes #155 POSIX TCP & IPC could avoid a lot of context switches
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Added TCP socket address properties on pipes.
This adds the plumbing for the various platform specifics, and
includes both v4 and v6 handling.
We've included a TCPv6 test as well.
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This implements the basic UDP functionality for Windows (required
for ZeroTier for example). We have also introduced a UDP test suite
to validate that this actually works. While here a few Windows
compilation warnings / nits were fixed.
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