Make current loglevel and current log callback global
to the library. Attaching them to the nsock pool doesn't
bring any benefit and prevents from logging activity in
code sections that don't have access to a pool (such as
proxy chain specification parsing).
Updated external calls and nsock tests accordingly.
This prevents nsock from iterating over the whole list of events at
each runloop, thus improving performance.
It made it necessary to have pointers from the msevents to the event
lists they belong to. The patch therefore also changes gh_list from
autonomous containers to embedded structures.
Added unit tests accordingly and cosmetic changes to make things look
more consistent.
Reworked the logging infrastructure to make it more flexible
and consistent.
Updated nmap, nping and ncat accordingly. Nsock log level can
now be adjusted at runtime by pressing d/D in nmap.
It's used two times, in two separate blocks of the function. Therefore it was
declared twice (once per block), then got moved toplevel but the second
declaration was forgotten somehow.
This doesn't actually change anything (identical objdump -d diff) but makes code
nicer.
http://seclists.org/nmap-dev/2012/q3/56. r29134 already addressed the issue but
was incomplete.
This replaces r29134 with an engine-agnostic approach, and additionally enforces
the reset of IOD flags before use or re-use.
that were internally closed and replaced by other ones. This happened during
reconnect attempts.
--
When reconnecting with SSL_OP_NO_SSLv2 (nsock_core.c:472), the libary closes the
fd of the current IOD, and replaces it by a new one.
The man page for epoll_ctl states that a close() on a fd makes it removed from
any epoll set it was in. Therefore, if epoll_ctl(EPOLL_CTL_MOD, ...) returns
ENOENT, we retry with EPOLL_CTL_ADD.
support for system-specific scalable IO notification facilities without breaking
portability. This initial version comes with an epoll(7)-based engine for Linux
and a select(2)-based fallback engine for all other operating systems.
This required an important refactoring of the library but the external API was
preserved.
The rewrite also tries to bring the coding standards of nmap to nsock.
See http://labs.unix-junkies.org/nsock_engines.html for the details.
