| Commit message (Collapse) | Author | Age | Files | Lines |
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The fqueues were relying on the fact that the portevent were two
integers. This cleans that up a bit.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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Reading packets from the rbuff and checking their validity (non-zero
size, pass crc check, pass decryption) is now extracted into a
function.
Also adds a function to get the length of an sdu_du_buff instead of
subtracting the tail and head pointers.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This add an ouroboros/pthread.h header that wraps the
pthread_..._unlock() functions for cleanup using
pthread_cleanup_push() as this casting is not safe (and there were
definitely bad casts in the code). The close() function is now also
wrapped for cleanup in ouroboros/sockets.h.
This allows enabling more compiler checks.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The ugent email addresses are shut down, updated to Ouroboros mail
addresses.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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Happy New Year, Ouroboros!
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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The shm_flowset destroy was using the irmd pid, resulting in wrong
unlinks. The irmd was not cleaning up the process table, resulting in
shm leaks if there were still running processes on exit.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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This fixes a use after free in an error condition, and makes sure that
pid is set in the flow_set early on, so flow_set_destroy won't create
a prefix with an uninitialized pid in case of an error in
shm_flow_set_create.
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
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Updates the copyright notice in all sources to 2019.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This moves the creation and destruction of shm_flow_set shared memory
structures from the init to the IRMd. Now the management of all shared
data objects is performed by the IRMd.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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Renames port_id to flow_id according to updated nomenclature.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This will check the return values of init functions so that the code
is more robust. It also removes a duplicate init in the timerwheel,
checks for buffer overflows in the RIB and checks string lengths.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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The event type of the current event in the fqueue can now be requested
using the fqueue_type() command. Currently events for packets
(FLOW_PKT), flows (FLOW_UP, FLOW_DOWN) and allocation (FLOW_ALLOC,
FLOW_DEALLOC) are specified. The implementation only tracks FLOW_PKT
at this point.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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A previous commit tried to stat the shared memory file in case it was
already there, but stat does not seem to work for shared memory
files. This simply omits the O_EXCL attribute upon creation of the
shared memory file, since pids are unique anyway.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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This unlinks previously allocated flow set shared memory. It could be
lingering in case an application with the same pid was SIGKILLED, and
didn't clean up its flow set shared memory.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
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Happy New Year, Ouroboros.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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This refactors ouroboros to use "program" instead of "application
process" and "process" instead of "application process instance" to
align with current naming in current Operating Systems courses instead
of the ISO nomenclature adopted by RINA. This change permeates through
the entire implementation. Also contains some minor other refactors.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
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shm_flow_set_wait was called with a timeout even though
flow_event_wait was called with timeout NULL.
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This revises the build system to have configuration per system
component. System settings can now be set using cmake.
The standard compliance defines were removed from configuration header
and are set in the sources where needed. Also some small code
refactors, such as moving the data for shims out of the ipcp structure
to the respective shims were performed.
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This adds the basic FRCT mechanisms to the library. Upon flow alloc or
accept an FRCT instance is now created and used when reading or
writing to the flow. The timerwheel has been refactored to allow
recharging timers and removing them and is now part of the
library. The first SDU sent over the connection has the DRF set and
this initializes the connection. Sender and receiver inactivity timers
are added.
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This adds a check for robust mutexes. The constant HAVE_ROBUST_MUTEX
is set accordingly in config.h. It also adds some other fixes to make
the prototype compile on the Hurd.
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The flow_alloc_res and flow_alloc_resp calls have been removed. The
flow_alloc and flow_accept calls are now both blocking and take an
additional timeout argument.
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Our mailserver was migrated from intec.ugent.be to the central
ugent.be emailserver. This PR updates the header files to reflect this
change as well. Some header files were also homogenized if the
parameters within the functions were badly aligned.
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This fixes bad timedwaits for the state of the reg_entry. Also
slightly revised timedwaits throughout the prototype.
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Copyright is set to 2016 - 2017. License text on includes and sources
in the library are changed to indicate the LGPLv2.1 license.
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This corrects the license statements on all files. Installed headers
are LGPLv2.1, the rest of the code is GPLv2.
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This removes log output in applications and some size_t printf errors
when compiling on 32 bit machines.
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Flow_event_wait will either return -EINVAL, -ETIMEDOUT or a positive
integer indicating the number of SDUs in the fqueue. This allows to
call the function as the condition for a non-terminating while loop.
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An untested (and wrong) modification to the fqueue was mistakenly
added to a previous commit. This corrects the bad code.
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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 stabilises flow allocation now that the rbuffs are created upon
flow allocation. Only the IRMd can sync this process sufficiently.
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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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