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39 Commits

Author SHA1 Message Date
Angus Salkeld
7d46c9ad3f IPC: use rb refcount to check for "connectiveness" 
This makes it possible the detect the loss of the server
and return -ENOTCONN.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-12-16 22:09:52 +11:00
Angus Salkeld
43181d5a95 IPC: add a timeout to the client recv functions 
Also allow the ringbuffer to pass ETIMEDOUT back to the
client applications.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-12-16 21:47:47 +11:00
Angus Salkeld
62cef166b4 IPC: improve shm performance by timing out earlier on poll() 
My receint change adding in a call to recv_ready(, 10) was
really slowing down the shm performance.
So now I am rather retrying which doesn't slow it down
and also passes "make check".

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-12-14 22:54:16 +11:00
Angus Salkeld
7f0e653794 IPC: return the correct number of bytes sent 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-12-14 21:51:08 +11:00
Angus Salkeld
8e291c78d5 IPC: return EAGAIN from qb_ipcc_recv() if recv_ready() returns 0 
found with corosync CTS

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-12-10 16:12:01 +11:00
Angus Salkeld
d0b14bdbdf IPC: return -ENOTCONN when the other end exits 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-12-10 12:22:03 +11:00
Angus Salkeld
720adbdddf IPC: add flow control & q_len to unix socket transport. 
This uses a small (2*int32_t) shared memory segment.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-11-03 09:48:15 +11:00
Angus Salkeld
31ca215188 IPC: add support for unix sockets 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-17 14:23:53 +11:00
Angus Salkeld
e9d10dfdbe IPC: remove flow control API and move functionality into send() 
There is no point in a separate API.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-14 09:16:00 +11:00
Angus Salkeld
0d9f8720b9 IPC: add qb_ipcc_sendv_recv() convenience function. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-13 10:01:30 +11:00
Angus Salkeld
e1686dbd6a IPC: add support for flowcontrol & rate limiting 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-12 21:53:53 +11:00
Angus Salkeld
1a13b65de1 IPC: cleanup some formatting. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-12 21:53:52 +11:00
Angus Salkeld
99a8264550 IPC: improve send/recv error handling 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-12 21:53:52 +11:00
Angus Salkeld
3dcd1126f6 IPC: remove qb_ipcc_event_release() 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-12 21:46:53 +11:00
Angus Salkeld
82c13bdd2b IPC: make events always use socket notification 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-06 20:39:23 +11:00
Angus Salkeld
e7aad8fad5 IPC: use poll() to prevent a recv() blocking 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-06 20:39:23 +11:00
Angus Salkeld
e0f942bfee IPC: teach event_recv() to take a timeout 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-06 20:39:23 +11:00
Angus Salkeld
c1a3b0d029 IPC: add sendv() functions to handle iovecs. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-06 20:39:23 +11:00
Angus Salkeld
a7bf0518a7 add qbdefs.h with some common defines. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-10-04 10:04:01 +11:00
Angus Salkeld
e3a6cd6ad6 Delete unchecked API (to be re-added later). 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-09-30 20:49:11 +10:00
Angus Salkeld
86c84f6ae0 IPC: new auth improvement and limits work around. 
Create the queues/ringbuffers on the server so we don't
have to modify proc entries. Then chown them so that
the clients can access them.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-09-30 20:17:59 +10:00
Angus Salkeld
b6d4fb95b8 IPC: add events back (were dispatch messages in corosync) 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-09-29 14:32:51 +10:00
Angus Salkeld
64b4aac413 IPC: un-const the data pointer in recv() 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-09-29 14:32:51 +10:00
Angus Salkeld
b28173ee81 IPC: get shm & pmq working 
Note: pmq needs "sudo make check"

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-09-07 14:11:42 +10:00
Angus Salkeld
e7de13cd9d IPC: add a basic tx/rx test case. 
- cleanup some printf's

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-09-07 08:56:38 +10:00
Angus Salkeld
eae6c35157 IPC: linux & bsd mq_open returns a poll'able file descriptor. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-09-06 16:50:19 +10:00
Angus Salkeld
d27e50c58a Define new return status policy 
Good >= 0 (0 = good, or positive value)
Bad < 0 (-errno)

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-09-06 16:49:15 +10:00
Angus Salkeld
8a6b8d78db IPC: rewrite (simpler API & more structured layout). 
- implement using posix message queues
- implement using sys-v message queues
- implement shared memory ringbuffers
- add auth via unix sockets
- add items to the TODO

This is still a bit rough, more work to follow...

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-08-23 12:46:36 +10:00
Angus Salkeld
5221880227 automake: check for more headers 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-08-22 22:06:59 +10:00
Angus Salkeld
b8a5a74fcc hdb: move functions into cfile 
convert int -> int32_t
rename qb_hdb_handle_t -> qb_handle_t
rename DECLARE_HDB_DATABASE -> QB_HDB_DECLARE
rename qb_hdb_handle_database -> qb_hdb

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-06-16 09:12:20 +10:00
Angus Salkeld
87f204469a ipc: convert int -> int32_t; unsigned int -> uint32_t 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-06-15 14:46:52 +10:00
Angus Salkeld
7deaa935c7 ipc: use a ringbuffer for requests. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-06-15 12:56:33 +10:00
Angus Salkeld
ffd5975da3 ipcc: remove unneccessry goto 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-06-15 12:56:33 +10:00
Angus Salkeld
e6d5f32f9f Bring some changes across from corosync. 
My coverity fixes and honzas fixes.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-06-11 09:51:53 +10:00
Angus Salkeld
0a23eb2be1 Format all files with Lindent 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-06-10 21:42:08 +10:00
Angus Salkeld
29cee5ec5e use new interanl logging functions 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-05-25 15:53:44 +10:00
Angus Salkeld
caecbe6542 Re-license to LGPL 2.1 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-05-25 06:11:59 +10:00
Angus Salkeld
74a7a49354 ipc: add a non-blocking send function. 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-04-29 14:47:42 +10:00
Angus Salkeld
40f235a889 libtool and code re-structure 
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
 2010-04-15 23:25:29 +10:00