It is useless to handle a client structure on recvfrom() or accept()
when nothing is done with this information.
Changed in Aggregator, Listener, Positioner and UDP-to-HTTP.
Use the new terminology "capture point" (CP) instead of "access point"
(AP) everywhere in Aggregator. The only user-visible change is that the
ap_keep_timeout option is now called cp_keep_timeout.
The first field of the Aggregator's CSV output files is now an unsigned
integer that announces the version of the CSV format used. Current
version is 1 and the subsequent fields are not modified, so that an
aggregation file generated with a previous version can still be used by
adding "1;" at the beginning of each line.
The Positioner has been adapted to handle this new format.
Add the option -G (like "Generate configuration file") that dumps the
current configuration on the standard output, so the user can call
owlps-aggregatord [custom options] -G >owlps-aggregator.conf
to generate the configuration file owlps-aggregator.conf.
The Aggregator now transmits the capture timestamp of each packet to the
positioning server. For now this timestamp is not stored, only displayed
(in verbose mode) when a request is received.
To be consistent with the other modules, the positioning server must be
called OwlPS Positioner instead of Positioning, and the executable
owlps-positionerd (even if the daemon mode is not implemented yet).
That's a big commit for a tiny change.
Differentiate the port on which the autocalibration hello messages are
sent to the aggregator by the listeners, and the one on which the
autocalibration orders are sent by the aggregator to the listeners.
This will allow to run a listener and an aggregator on the same machine
with autocalibration enabled.
Both in the listener and the aggregator, the option -a (autocalibration
port) has been replaced by the options -O (autocalibration order port)
and -H (autocalibration hello port). In the listener, the option -H was
previously used to set the hello delay; this is now the role of the -T
option.
Modify the *time*() functions to avoid passing structures in arguments
(using const pointers instead) or returning structures (using result
arguments instead).
In the listener & aggregator, the signal strength is stored as an
unsigned byte. To display the actual (negative) value, one must
substract 256 (0x100) to the unsigned value.
This commit changes several things:
- Use the decimal (256) instead of the hexadecimal value (0x100).
- Don't substract 256 when copying the value to another unsigned byte
(aggregator).
- Be careful with the type length. In the positioning server, a SS
could be copied to a signed byte, while (theoretically) the negative
value can exceed the capacity of the signed byte. measurement.hh now
defines a type ss_t to store a signal strength value with the good
size (it is currently an int_fast16_t).
"start_time" was meaningless in the global data structures of owlps.h,
and could lead to errors in the aggregator, since it defines a field
start_time in one of its internal structures.
Matteo Cypriani
Matteo Cypriani
Matteo Cypriani