| Commit message (Collapse) | Author | Age | Files | Lines |
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Reverting from previous commit. Even when running Ouroboros sandboxed,
the sockets and shared memory should be created in the default system
paths.
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ipcpd: Adds RX_RING and TX_RING in shim-eth-llc
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This adds the RX_RING and TX_RING socket options to the shim-eth-llc
for faster transmission and reception. On systems where these options
are not available the old method of sending and receiving is
used. Further optimization would be creating and assigning a
read/write thread per CPU core, but that becomes very platform
specific, and is not required in the short term.
Fixes #10
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This sets the correct install directories for all the binaries,
library and header files. It also sets the right permissions on the
sockets and shared memory so that regular users can also use the
ouroboros library. Root privileges are required to run the irmd.
Fixes #7
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irmd: fix erroneus SIGPIPE log
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The IRMd would always report a SIGPIPE because of a missing break
statement.
Close #9
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If the AP exits, the IRMd will deallocate the flow.
If an IPCP dies, the IRMd will remove the stale resources.
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Port_id's on pending flows that time out are now released. Flows that
are stale because one of the parent processes exited are removed.
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Added the pid of the irmd to the shm_du_map. The IRMd will check for
an existing shm_du_map. If there is an existing file, it will exit if
the owner IRMd is running or remove it if the owner IRMd is not
running.
Also simplifies calculation of the shm_du_map pointers and corrects
exiting calls for the IRMd.
Fixes #8.
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Tools would do a double ap_fini when an error occurred.
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Unlock missing when compiled without DNS support.
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Adds a thread that cleans up stale pending flows. Compile time option
IRMD_FLOW_TIMEOUT allows setting the timeout period. Default timeout is
5 seconds. The thread wakes up 20 times per period to check the
flows.
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The ipcpds didn't unlock the flows lock when the dst_name is
unbeknownst to the IRMd.
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The shim Ethernet with LLC was using the frame length in the header of
the 802.3 frame, which contained a wrong value when sent over the
wire. Probably the kernel filled in a wrong value. Now it uses the
length as reported by recv.
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The source AP name was still present in the protobuf message the
shim-eth-llc uses.
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This removes the source AP name from all shim-eth-llc flow allocation
operations, since it was removed from flow allocation by 6271d09bd.
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Now correctly deallocates the local fd if the remote already
deallocated the flow.
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A condition variable is now used to wait for an auto-executed AP to
accept the requested flow.
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The registration function has been moved to the irm tool, applications
now need to be registered by an administrator. Currently only supports
one instance per registered name, and an AP can be registered under
only one name.
The irmd can now start a registered server application on demand.
For the full functionality of the tool, execute "irm register".
AP name removed from flow allocation. Flow allocation does not send
the source ap name as it is quite useless. The accept() call now only
returns the AE name.
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This addresses some comments Dimitri had on the shim Ethernet with
LLC.
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This adds a shim over LLC over Ethernet. It uses the raw socket API to
send messages directly over an interface.
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This adds wildcarding of DIF names so that application developers can
for instance specify home.* to specify all home DIFs.
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When the ring buffer is empty, a read call will sleep. A write call on
an empty ring buffer will wake up sleeping readers.
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This stops IPC processes from hanging due to bad locks. It first
informs all threads that the IPCP is shutting down, then cancels all
threads. Cancellation is still required because threads may be in
accept() or receivefrom().
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This introduces an IPC process that relays data between two local AP's
over the shm_du_map. Only configuration it has is a DIF name.
It required small modification elsewhere:
lib: added support for the IPCP_LOCAL type
irm: added support for the IPCP_LOCAL type
dif_config: added the IPCP_LOCAL type
tools: added support for the IPCP_LOCAL type
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The shim UDP did a non-blocking write call, causing loss of
SDU's. This has been changed to a blocking write call.
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The cbr client will now use busy waiting by default to control the
sending rate. A --sleep option has been added to allow low CPU usage
when sending at low data rates. A --flood option has been added that
writes SDU's as fast as possible.
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ipcpd: fixed the shim-udp grinding the cpu
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In linux, the select call changes the timeout variable to the time not
spent in sleep, causing the timeout to decrease and that loop to grind
the cpu. The timeval is now reset to the correct value every loop.
Also removed a LOG_ERR message that was hampering performance.
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non-blocking write would return when the buffer was full
functions in dev now check validity of input file descripters
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Be cbr
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This adds a cleanup handler for the main message loop, which closes
the socket upon pthread_cancel so that the ipcp can exit cleanly.
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This adds a threadpool to cbr, so that it is not overflooded with
client requests.
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lib: allow running shm_du_map in single block mode
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this allows disabling support for SDU's that are larger than a block
in the DU MAP by defining the variable SHM_MAP_SINGLE_BLOCK
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the CBR tool would stop if the buffer is full. Now it will continue
sending SDU's until the duration expires.
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The tool sends constant bandwidth traffic between a client and a
server. cbr --help for more info.
Adds time_utils.h to the library containing useful functions for
arithmetic with timespec and timeval structures.
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Fixes some memleaks in dev.c in the case of error conditions.
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This makes sure only one shm_du_map is running in the system.
Starting a second irmd would invalidate the shared memory map.
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irmd: Change read lock to write lock
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A read lock was taken instead of a write lock, which resulted in
double frees.
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