| Commit message (Collapse) | Author | Age |
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Also, while here fixed a bug for the PAIR protocol in compat mode.
It should now be possible to import more of the nanomsg tests directly
with little or no modification.
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This does a few things. First it closes some preexisting leaks.
Second it tightens the overall close logic so that we automatically
discard idhash resources (while keeping numeric values for next id
etc. around) when the last socket is closed. This then eliminates
the need for applications to ever explicitly terminate resources.
It turns out platform-specific resources established at nni_init()
time might still be leaked, but it's also the case that we now no
longer dynamically allocate anything at platform initialization time.
(This presumes that the platform doesn't do so under the hood when
creating critical sections or mutexes for example.)
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This was the main blocker, I think, for the nanomsg legacy compat
shim. Now that we have this, it should be relatively straight-forward
to implement the legacy nanomsg API, including the SENDFD, RECVFD thing.
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There are lots of changes here, mostly stuff we did in support of
Windows TCP. However, there are some bugs that were fixed, and we
added some new error codes, and generalized the handling of some failures
during accept. Windows IPC (NamedPipes) is still missing.
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Windows is getting there. Needs a couple of more more hours to enable
everything, especially IPC, and most of the work at this point is probably
some combination of debug and tweaking things like error handling.
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As part of this, we've added a way to unblock callers in a message
queue with an error, even without a signal channel. This was necessary
to interrupt blockers upon survey timeout. They will get NNG_ETIMEDOUT,
but afterwards callers get NNG_ESTATE.
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The use of a single function to get both size and length actually
turned out to be awkward to use; better to have separate functions
to get each. While here, disable some of the initialization/fork
checks, because it turns out they aren't needed.
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Also we added a two phase shutdown for threads.
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This uncovered a few problems - inproc was not moving the headers
to the body on transmit, and the message chunk allocator had a serious
bug leading to memory corruption. I've also added a message dumper,
which turns out to be incredibly useful during debugging.
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We use some hints from Python's dict implementation, using an
open addressing scheme, and just ripping off the lower bits as
needed. Since we assign IDs consecutively, this should work
well. We shrink the table when it is only 1/8 full, and
we ensure that we grow the table when it is 2/3 full. (The
growth will start by at minimum doubling the required size.)
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This error code is set when a cooked mode protocol cannot support
an operation yet. For example, it makes no sense to recv() a
reply on a REQ socket if no request has been sent yet.
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In order to give control over synchronous vs. async dialing, we provide a
flag to indicate synchronous dialing is desired. (Hmm. Should we reverse the
default sense?) We extend listen to have the same flag.
Logic is moved to endpt.c since dialing is really and endpoint specific operation.
There are other minor related bug fixes here too.
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Instead of supplying a pipe, and expecting that the info there would be included
we use nng_msg_getopt(). This will be enabled by the app asking for extended
information by setting an option, we don't copy the data for every app (most won't
care). This means we don't have to worry about reference counting the pipe for
the life of associated messages.
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The external API now uses simpler names for various things, notably
we ditch the whole nng_socket_xx prefix. For example, intstead of
nng_socket_create, we just use nng_open(). There are no more nng_socket_xxx
calls.
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code with uncrustify. (Minor adjustments.) No more arguments!
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Lots of supporting changes.
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