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structure that is more generic than just 'IP/port'.
It now passes make test, and has been reviewed and updated by
metze. (Thankyou *very* much).
This passes 'make test' as well as kerberos use (not currently in the
testsuite).
The original purpose of this patch was to have Samba able to pass a
socket address stucture from the BSD layer into the kerberos routines
and back again. It also removes nbt_peer_addr, which was being used
for a similar purpose.
It is a large change, but worthwhile I feel.
Andrew Bartlett
error, but sometimes a socket option may then happen on the NULL
socket. This has been handled by the individual libraries up to now,
but its cleaner to centralise it here
- hooked into events system, so requests can be truly async and won't
interfere with other processing happening at the same time
- uses NTSTATUS codes for errors (previously errors were mostly
ignored). In a similar fashion to the DOS error handling, I have
reserved a range of the NTSTATUS code 32 bit space for LDAP error
codes, so a function can return a LDAP error code in a NTSTATUS
- much cleaner packet handling
less likely that anyone will use pstring for new code
- got rid of winbind_client.h from includes.h. This one triggered a
huge change, as winbind_client.h was including system/filesys.h and
defining the old uint32 and uint16 types, as well as its own
pstring and fstring.
I decided to incorporate the udp support into the socket_ipv4.c
backend (and later in socket_ipv6.c) rather than doing a separate
backend, as so much of the code is shareable. Basically this adds a
socket_sendto() and a socket_recvfrom() call and not much all.
For udp servers, I decided to keep the call as socket_listen(), even
though dgram servers don't actually call listen(). This keeps the API
consistent.
I also added a simple local sockets testsuite in smbtorture,
LOCAL-SOCKET
- fix rep_inet_ntoa() for IRIX
- lib/signal.c needs system/wait.h
- some systems define a macro "accept", which breaks the lib/socket/ structures.
use fn_ as a prefix for the structure elements to avoid the problem
listening sockets after the fork to prevent the child still listening
on incoming requests.
I have also added an optimisation where we use dup()/close() to lower
the file descriptor number of the new socket to the lowest possible
after closing our listening sockets. This keeps the max fd num passed
to select() low, which makes a difference to the speed of select().
you set this option (either on the command line using --option or in
smb.conf) then every socket recv or send will return short by random
amounts. This allows you to test that the non-blocking socket logic in
your code works correctly.
I also removed the flags argument to socket_accept(), and instead made
the new socket inherit the flags of the old socket, which makes more
sense to me.
The main change is to make socket_recv() take a pre-allocated buffer,
rather than allocating one itself. This allows non-blocking users of
this API to avoid a memcpy(). As a result our messaging code is now
about 10% faster, and the ncacn_ip_tcp and ncalrpc code is also
faster.
The second change was to remove the unused mem_ctx argument from
socket_send(). Having it there implied that memory could be allocated,
which meant the caller had to worry about freeing that memory (if for
example it is sending in a tight loop using the same memory
context). Removing that unused argument keeps life simpler for users.
rather than doing everything itself. This greatly simplifies the
code, although I really don't like the socket_recv() interface (it
always allocates memory for you, which means an extra memcpy in this
code)
- fixed several bugs in the socket_ipv4.c code, in particular client
side code used a non-blocking connect but didn't handle EINPROGRESS,
so it had no chance of working. Also fixed the error codes, using
map_nt_error_from_unix()
- cleaned up and expanded map_nt_error_from_unix()
- changed interpret_addr2() to not take a mem_ctx. It makes absolutely
no sense to allocate a fixed size 4 byte structure like this. Dozens
of places in the code were also using interpret_addr2() incorrectly
(precisely because the allocation made no sense)
will shortly be using this for a rewrite of the intra-smbd messaging
library, which is needed to get lock timeouts working properly (and
share modes, oplocks etc)
as my box keeps getting hit by viruses spreading on my companies
internal network, which screws up my debug log badly (sigh).
metze, I'm not sure if you think access.c should go in the socket
library or not. It is closely tied to the socket functions, but you
may prefer it separate.
The access.c code is a port from Samba3, but with some cleanups to
make it (slighly) less ugly.
