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This change makes embedding nng + nggpp (or other projects depending on
nng) in cmake easier. The header files are moved to a separate include
directory. This also makes installation of the headers easier, and
allows clearer identification of private vs public heade files.
Some additional cleanups were performed by @gedamore, but the main
credit for this change belongs with @gregorburger.
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While here, there is a little more endpoint termination hardening.
Running this code base seems to not incur any faults beyond the very
rare TCP port conflict that can occur from our random port selection
in the test suite.
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fixes #397 Need to cast zoneid
fixes #395 sun is predefined on illumos/Solaris
fixes #394 alloca needs to #include <alloca.h>
fixes #399 Cannot use SVR4.2 specific msghdr
fixes #402 getpeerucred needs a NULL initialized ucred
fixes #403 syntax error in posix_tcp - attempt to return void
fixes #407 illumos getegid wrong
fixes #406 nni_idhash_count is dead code
fixes #404 idhash typedef redeclared
fixes #405 warning: newline not last character in file
This is basically a slew of related bug fixes required to make this
work on illumos. Note that the fixes are not "complete", because
more work is required to support port events given that epoll is busted
on illumos.
We also fixed a bunch of things that aren't actually "bugs" per se, but
really just warnings. Silencing them makes things better for everyone.
Apparently not all compilers are equally happy with redundant (but
otherwise identical) typedefs; we use structs in some places instead of
shorter type names to silence these complaints.
Note that IPC permissions (the mode bits on the socket vnode) are not
validated on SunOS systems. This change includes documentation to reflect
that.
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This change converts the various integer types like nng_socket
in the public API to opaque structures that are passed by value.
Basically we just wrap the integer ID. This "hack" give us strong
type checks by the compiler (yay!), at the expense of not being able
to directly use these as numbers (so comparisions for example don't
work, and neither does initialization to zero using the normal
method.
Comparison of disassembly output shows that at least with the optimizer
enabled there is no difference in the compiler output between using
a structure or an integral value.
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This fixes one major problem, which was that if nni_fini() was called
once on Windows, it would not be further possible to call nni_init().
While here fixed a few compilation issues.
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This makes the operations that work on headers start with
nni_msg_header or nng_msg_header. It also renames _trunc to
_chop (same strlen as _trim), and renames prepend to insert.
We add a shorthand for clearing message content, and make
better use of the endian safe 32-bit accessors too.
This also fixes a bug in inserting large headers into messages.
A test suite for message handling is included.
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