| Commit message (Collapse) | Author | Age | Files | Lines |
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dlt-daemon now support activation via systemd socket.
This allows dlt-daemon to be started as soon as an application
is requesting access to the dlt socket.
This commits implements opening the socket only when
UNIX_SOCKET is used for IPC
Signed-off-by: Alexander Mohr <alexander.m.mohr@mercedes-benz.com>
Signed-off-by: Alexander Mohr <alexander.m.mohr@mercedes-benz.com>
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* Before this commit, dlt-daemon sockets were created inside
/data/local/tmp. This works but have many drawbacks:
- /data/local/tmp isn't always a tmpfs depending of the android
system you have. Means sockets are potentially created on a
filesystem which binds to a real device
- as the sockets are created by the dlt-daemon itself, this
prevent the usage of specific SELinux labels / contexts as
they will inherit the label / context from its parent
location (e.g the ones from /data/local/tmp). This prevent a
fine control of the SELinux label / context that you would like
to apply on them
* This commit adapts the dlt-daemon in such way:
- application and control sockets are now created inside
/dev/socket which is the standard path for sockets on android
- these sockets are now created by init (see dlt-daemon.rc) and
their fds are recovered by dlt-daemon through a specific android
API (dlt_daemon_unix_android_get_socket). If the fds can't be
recovered, we fallback to the previous mechanism by creating
by ourself the sockets (even if this will prevent SELinux
label / context on this socket)
- all these modifications have been put under compilation flag
for android
Signed-off-by: Sebastien RAILLET <sebastien.raillet@marelli.com>
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Signed-off-by: Saya Sugiura <ssugiura@jp.adit-jv.com>
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Fix compiler warnings about socket usage
Correct the data types used for the socket declaration. We use AF_UNIX
sockets so we use struct sockaddr_un, but we need to cast to struct
sockaddr for the socket API.
Fix compiler warnings about sign-compare
Fix two occurences of signed - unsigned comparison by casting the values
accordingly. Note that the cast is legal as the first parts of both
conditional statements make sure the value is not negative before
casting to unsigned.
While at it, add strtol error checking.
Fix compiler warnings about string functions
Add string.h to src/daemon/dlt_daemon_unix_socket.c, because it was
unaware of memcpy and strerror. While at it, change unsafe use of
sprintf to proper dlt_vlog and remove the char buffer.
Fix compiler warnings about unused-*
Fix two unused-variable and one unused-parameter warning. While at it,
change the #ifdef to not run into an empty block. Simply reverse the
condition and enclose the complete else with the #ifdef.
POSIX: Use memset instead of bzero
"The bzero() function is deprecated (marked as LEGACY in POSIX.1-2001);
use memset(3) in new programs."
Use memset instead of bzero and remove any occurrence from DLT. Include
of header "strings.h" that has bzero is also removed.
Signed-off-by: Simon Herkenhoff <sherkenhoff@jp.adit-jv.com>
Signed-off-by: ManikandanC <Manikandan.Chockalingam@in.bosch.com>
Signed-off-by: Christoph Lipka <clipka@jp.adit-jv.com>
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Signed-off-by: Christoph Lipka <clipka@de.adit-jv.com>
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* IPC: Unix socket added
The user can select either FIFO or UNIX socket as IPC between user library and daemon through CMakelist option.
Socket path configurable for both FIFO and Unix Socket now configurable in CMake
Signed-off-by: Christoph Lipka <clipka@de.adit-jv.com>
Signed-off-by: ManikandanC <Manikandan.Chockalingam@in.bosch.com>
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Control applications running in the same Linux OS should be able to communicate
with the DLT Daemon via a socket connection.
To be able to do that, the DLT Client library need to be extended. DLT
Clients connected via this UNIX socket are not handled as normal DLT
Clients and no log messages will be forwarded to them. This avoids
problems in situations when a control application is connected to the
DLT Daemon before any other 'real' DLT Client (e.g. DLT Viewer) is
connected. In this situations, all already stored log messages are
flushed to the control application and therefore lost, because the
control application most likely ignore all incoming messages besides the
one in which it is interested in.
Signed-off-by: Christoph Lipka <clipka@jp.adit-jv.com>
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