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This has the code checked with -Wcast-qual and -Wconversion flags.
These flags were removed because SWIG generated code fails.
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This reduces the risk for some bugs, for instance due to
signed/unsigned mismatches and unused variables.
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The fast path will now use an incoming ring buffer per flow per
process. This necessitated the development of a new method for the
asynchronous io call, which is now based on an event queue system for
scalability (fqueue). The ipcpd's and tools have been updated to this
API.
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This will allow to finalize deallocating flows until all SDUs have
been processed. Read and write calls will now block when a flow was
deallocated. Replaces NULL checks in the fast path with asserts.
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IPCPs can now use ap_init() to initialize the memory. All flows are
accessed using flow descriptors, this greatly simplifies IPCP
development. Reverts the fast path to a single ap_rbuff per process.
Splits lib/ipcp into irmd/ipcp and lib/ipcp-dev. Adds a lib/shim-dev
holding tailored functions for shims. Moves the buffer_t to utils.h.
Fixes the shim-eth-llc length field. Removes the flow from shared.h.
Fixes #4
Fixes #5
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Cupertino's finest don't seem to support a write call with a
filedescriptor that points to a shared memory file. ENOTSUP is not
mentioned in their manpage either. Classic.
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ipcpd: normal: Add operations to get and set the PCI
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This adds the operations needed in the normal IPCP to get and set the
Protocol Control Information. It allows to allocate or release space
in the current DU. The struct pci can be serialized into newly
allocate space. Vice versa, a struct pci can be deserialized given a
DU. It allows for decreasing the TTL in the DU and for calculating the
CRC32. The TTL and CRC32 can now be selected when creating a new DIF.
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Permissions are now set correctly upon creation, removing the need to
call fchmod.
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Fast path is split in north and southbound paths.
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The head and tail alloc and release operations were taking an int to
identify the idx instead of a ssize_t. The size was a ssize_t instead
of a size_t.
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Adds missing condition signals.
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Disables robust mutexes and clock attributes for condition variables
for compatibility with OSX (SUSv2). Implements clock_gettime and adds
some defines for OSX compatibility in time_utils.
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The shm_du_map is renamed to shm_rdrbuff to reflect the Random
Deletion Ringbuffer used in the implementation. The close_on_exit call
is removed and SDUs are cleaned up by the application in the ap_fini()
call. This required a non-blocking peek() operation in the shm_ap_rbuff.
Some initial implementation for future support of qos cubes has been
added to the shm_rdrbuff.
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