| Commit message (Collapse) | Author | Age | Files | Lines |
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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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frct_clear was called in ouroboros_fini instead of ouroboros_init.
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This adds the CRC check by default on outgoing SDUs. It fixes some
errors in the serialization and deserialization of the SDU. frct_clear
was added to avoid bad initialization of the array of FRCT instances.
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Be tw
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This turns the timerwheel into a passive component since it is used by
application using the library. The user of the timerwheel now has to
call timerwheel_move to advance the timerwheel.
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There was an else clause matched with the wrong if statement,
resulting in robust mutexes being enabled even in glibc 2.25.
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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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The build failed on OS X if an old version of libgrypt is installed.
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This locks the process when allocating and destroying flow_sets. The
flows_lock has been renamed to lock. Refactors and fixes a memleak in
ouroboros_init.
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lib: Fix instability in threadpool manager
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The threadpool manager now tracks threads to prevent cyclic behaviour
where too many threads shut down and the TPM responds with creating
additional threads.
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This adds support for libgcrypt. If at least version 1.7.0 of
libgcrypt is present, it may be used for secure random number
generation and is used for hashing in the irmd/ipcp.
The hash definitions are moved to the internal hash.h header, and
defined independently of the hashes that are defined as part of the
directory policy for the normal IPCP. The translation is moved from
the IRMd to ipcpd/ipcp.h. The bootstrap call from the IRMd expects the
IPCP to return the correct hash algorithm with a dif_info struct,
which is in line with the behavior of the enroll call.
This also improves how some platform checks in the build system are
handled.
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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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This refactors dev.c to have a common function called init_flow that
is called whenever a flow is allocated in dev.c
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This adds a threadpool manager component in the library that is used
in the IRMd and IPCPs. The threadpool manager now doesn't detach
threads but does a join when they exit. This solves a data race in the
previous implementation where some threads were not completely finished
upon release of some resources.
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The received message list was not correctly freed upon destruction of
the CDAP object. There was also still a rare case in which thread
cancellation would keep a lock, blocking the IPCP shutdown, which is
also fixed.
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The processing state was not correctly reset at all points in the
loop, causing CDAP to block the IPCP on shutdown in some cases. This
also adds a missing unlock and reorders some other unlocks.
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The enrollment calls dealloc immediately after cdap_del_flow(), but
the CDAP instance may still have that fd in its fqueue loop.
cdap_del_flow will now wait for an fqueue loop to end before
returning, to make sure the flow is not needed anymore.
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This will hardcode the shim hash algorithms as they don't have an
enrollment phase.
Fixes #44
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This adds a secure random number generator. It will use OS specific
calls with a fallback to OpenSSL if available.
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This adds more Quality of Service support to Ouroboros. One part is
the network specific characteristics such as bandwidth, delay, ...
The other part is end-to-end QoS like reliability, window based flow
control, ...
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The dev.c source file had some missing include headers. This PR fixes
inconsistencies between the definitions and declarations in ipcp-dev.h
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Fixed releasing an allocated fd on failure. As the sending of dealloc
messages has been deprecated, dealloc was simplified by removing a
stale block of code (replaced with an assertion). Fixed reading some
variables without a necessary lock.
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This makes the routing component into a policy since different
approaches may exist to do this, depending on how high the rank of the
DIF is.
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This commits adds the functions and messages to specify a fixed
protocol syntax during CACEP. It also revises the messages for
specifying the DT protocol syntax from the irm tool.
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In order to ensure 100% reliable transfer, the protocol state machine
that takes care of retransmission and SDU ordering has to be in the
application. Flow allocation in the normal now uses fds. The PDU_type
field was deprecated and AE's within the DIF can use reserved fds.
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The IPCP will now report the DIF name and the hash value to the IRMd
as a dif_info struct. This can later be extended to add further
capability reporting. Some bugfixes in normal.
Fixes #24
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This adds a call ipcp_sdb_reserve to reserve memory in the rdrbuff
without directly writing to a flow. The ipcp_flow_del function was
renamed to ipcp_sdb_release. The functions operating on sdbs are moved
to their own header.
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If compiled as release build, an error would be generated as the
control reaches the end of a non-void function.
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Currently CRC32, MD5, and SHA3 (224, 256, 384 and 512 bit) are supported.
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Fixes #35
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lib, ipcpd, irmd: Register hash instead of name
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