| Commit message (Collapse) | Author | Age | Files | Lines |
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Correct implementation of allocation for the Protocol Control
Information. Also removes stale code checking for a corner case when
the du map still wrapped multi-block SDU's.
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All includes of <errno.h> within ouroboros are replaced with the
ouroboros errno.
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The pid of the IRMd is stored in a lockfile in shared memory. This
makes checking if the IRMd is running independent of the
configuration, as previously the IRMd pid was stored at the end of the
shm_du_map, which could not be read by an IRMd that would be compiled
with different configuration options.
Also corrects some unnecessary includes
Fixes #21.
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lib:irmd: Fix logs and irm_create
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The irm_create() function called irmd_destroy before some key values
were initialized.
Logs cleanup was missing.
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Added check if the owner of the du map is actually running so a new
IRMd instance can remove a stale DU map.
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clean_sdus now has a boolean flag to let it know the process has
exited.
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Writing output to log files is now enabled by default. Logs are
written to <INSTALL_PREFIX>/var/log/ouroboros, which is created on
install. There is a log file for the irmd and one per IPCP. To still
get (colored) output on stdout, provide the --stdout switch when
starting the irmd.
Fixes #17
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When an application closes the shm_du_map, it will clean all remaining
sdu's for that application. Adds a function to clean the shm_du_map on
close.
Fixes #20.
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The stack used pid 0 (the scheduler) to indicate an invalid process
instance, probably as a leftover from the deprecated application
process instance id. Using -1 is a better solution.
Fixes #16.
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lib: Provide first implementation of revised CDAP
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This commit fixes some errors reported during compilation that were
undiscovered by my gcc compiler but found by clang, and errors not
found on my system but found by the CI platform.
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This commit introduces a first version of the revised CDAP
specification. CACEP (for authentication purposes) has been separated
from CDAP. Application developers may use CDAP if they find it
useful. Within Ouroboros CDAP will be used to perform operations on
the RIB of an IPCP.
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The check_ap_path function didn't return correctly when the first
check was successful.
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When introducing robust mutexes, ouroboros moved to POSIX 200809L
which includes the strdup function in <string.h>. Including
<ouroboros/config.h> will give access to strdup.
Fixes #15.
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The bind function will search all directories specified in the PATH
variable for the ap fed to the irm bind command and check if it is
executable by the uid executing irm bind command.
Adds missing info logs for the bind/unbind and unreg operations in the
irmd.
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This will make the library check if the user has permissions to
execute the binary when auto is set. This prevents writing malicious
software that would use the irmd to execute other applications to
which the user has no access.
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shm_du_map now fully supports multi-block SDU's when the
SHM_DU_MAP_MULTI_BLOCK compilation flag is set (enabled by default).
Fixes #11.
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This PR enhances the shared memory providing recovery if a process
crashes. It adds a SHM_DU_TIMEOUT_MICROS variable, setting an
expiration time for SDU's when shared memory is full. If an
application doesn't read a blocking SDU within this time, the shared
memory will be cleansed of all SDU's for this application and the
application's rbuff will be cleared.
Some refactoring of the API's. Fixed wrong pthread checks in IRMd.
Fixes #13
Fixes #14
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Fixes #3
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Changes the variable name as well to API instead of PID.
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This changes the IRM API after discussions with Dimitri. The register
operation is now split into a bind and register operation. The same
for unregister; unbind and unregister. PIDs are now used as the
application instance name. A name for a PID is only provided for
scriptability in bash. It is therefore also no longer passed down to
the IPCP. Every operation on an IPCP through the IRM API has to use
the PID. Quering of the PIDs by name is possible. The IRM tool has
been updated to use this new API as well. A subcommand 'ipcp' has been
added for operations that take effect on IPCPs only.
Fixes #12
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paths cannot start with "/" or PREFIX will be omitted. PREFIX must be
set before the project() call.
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The installation prefix was taking a trailing backslash, while it is
common not to do so. Fixed it so that any trailing backslash is
removed by the compilation and installation scripts.
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Functionality that was previously thought to be part of the DIF
Allocator is actually namespace management. Hence the file has been
renamed and the API updated.
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This removes any implementation specific error numbers. Only errors
that are implementation independent should be returned.
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This adds error numbers specificly for Ouroboros. It also refactors
some of the header files that are installed.
Fixes #2
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Update to POSIX 200112L to allow use of robust mutexes in the
shm_du_map. Removed the implementation of the rw_lock in favor of
pthread_rwlock_t.
Placeholder for the shm_du_map_sanitize function.
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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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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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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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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 adds a shim over LLC over Ethernet. It uses the raw socket API to
send messages directly over an interface.
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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 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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non-blocking write would return when the buffer was full
functions in dev now check validity of input file descripters
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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 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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The fast path has been rewritten to have certainty to read the correct
flow. Deallocation will not release port_id's or fd's until they are
explicitly released locally.
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