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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().
(This used to be commit f2a9bbc317ba86ebe87c3ca27a3a0192de91014d)
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(This used to be commit 76c4ba6d29a6ad1e21c2d7674e1f323e8d53d627)
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(This used to be commit 9c13f42c1fd489a6a663f614a41c59730c18a054)
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(This used to be commit 9794570c6d0646cc34147bf8128802b181f658f0)
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(This used to be commit d8298901243ca4ce2ec420fa523c8e1407e72513)
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as randomly short recv/send when socket:testnonblock is enabled
(This used to be commit 718175a265d34bfdbcbf0cc6b55dbf6b389f3194)
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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.
(This used to be commit 406d356e698da01c84e8aa5b7894752b4403f63c)
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SOCKET_FLAG_BLOCK is set.
(This used to be commit a2d92aa431e0e9752387eebe741d9e6f376f74d7)
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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.
(This used to be commit a16e4756cd68ca8aab4ffc59d4d9db0b6e44dbd1)
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NT_STATUS_IS_ERR()
(This used to be commit 80a109de8458420ac0b40c563f4b3bc51424d759)
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If a socket is non-blocking then adding MSG_DONTWAIT is pointless (it
does nothing), so all we lose is the ability to set non-blocking on a
packet-by-packet basis, which is not a very useful thing to have
anyway
if the socket is blocking then the code already adds MSG_WAITALL, so
MSG_DONTWAIT is also not needed in that case.
(This used to be commit b8a2afae67691a609b4a7a577fee3f9518adc9d2)
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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)
(This used to be commit 7f2c771b0e0e98c5c9e5cf662592d64d34ff1205)
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socket options are really meant for tcp)
(This used to be commit 238febb0088f85933c869052f4f83ff31f164df1)
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destructor
(This used to be commit ab222b236a091d31b1f5f2cba150a11585ab5836)
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process
exits. Commenting it out until we have a clean way of doing this.
(This used to be commit fa0760dd5fa361be3b72dc4adc8b736e8a862606)
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(This used to be commit 64514ff5b7734667a1364de925114091fe208b3a)
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- added the new messaging system, based on unix domain sockets. It
gets over 10k messages/second on my laptop without any socket
cacheing, which is better than I expected.
- added a LOCAL-MESSAGING torture test
(This used to be commit 3af06478da7ab34a272226d8d9ac87e0a4940cfb)
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(This used to be commit b367209a9f94e471efed233639467babbb2b99d7)
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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)
(This used to be commit 6f4926d846965a901e40d24546eab356c4a537c7)
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taking a context (so when you pass a NULL pointer you end up with
memory in a top level context). Fixed it by changing the API to take a
context. The context is only used if the pointer you are reallocing is
NULL.
(This used to be commit 8dc23821c9f54b2f13049b5e608a0cafb81aa540)
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library are closed on abnormal termination
- convert the service.h structures to the new talloc methods
(This used to be commit 2dc334a3284858eb1c7190f9687c9b6c879ecc9d)
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hierarchical memory allocation
(This used to be commit 26da45a8019a2d6c9ff2ac2a6739c7d0b42b00de)
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need to add MSG_WAITALL to the recv() flags. This is needed by the
current server code or sometimes it will fail with a receive error.
(This used to be commit 4cb11fb77acf74ab53bf5782a114151965c558f0)
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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.
(This used to be commit 058b2fd99e3957d7d2a9544fd27071f1122eab68)
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metze
(This used to be commit a8ebb5c5bc6a8651867b46e87cf223cddf444e89)
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- fix some return and state bugs
metze
(This used to be commit 2757c593ab746b9dd7090f2cf5fcc31686adf67f)
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metze
(This used to be commit 8ade8ab65fffea9172a768a60fe2bd32493c068f)
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- add some error mappings
- use some flags SOCKET_FLAG_PEEK ans SOCKET_FLAG_BLOCK
metze
(This used to be commit a375c6b0b1ec4d63251f63993f7798c1f2e7c717)
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independent socket library.
this is not used, but compiled currently
there're maybe some api changes later...
metze
(This used to be commit de4447d7a57c614b80d0ac00dca900ea7e1c21ea)
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