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Author SHA1 Message Date
Oliver Jowett 849697f84c Fix integer overflow in stats output. 2015-02-11 00:14:28 +00:00
Oliver Jowett f9ed7e4a97 More time_t -> milliseconds conversions. 
This lets us support fractional net flush times among other things, which is handy.
 2015-02-10 22:24:22 +00:00
Oliver Jowett 7053ad02da Make aircraft tracking use milliseconds everywhere. 2015-02-10 21:49:37 +00:00
Oliver Jowett a49b5b8830 Add stats for total aircraft tracks and tracks that have only a single message. 2015-02-08 18:47:39 +00:00
Oliver Jowett 4e177c2d64 Store computed reception time in the message struct so we don't rely on 
the message being emitted immediately.

Fix computation of reception time so it's more sensible (the block timestamp
is some time after reception of the _end_ of the block, not the start) - this
means that message-emission times are always later than message-reception
times in SBS output, which is a bit more sensible.

Use clock_gettime in preference to ftime.
 2015-02-08 17:46:01 +00:00
Oliver Jowett 20407e5378 Don't emit SBS output with non-ICAO addresses (fixes #9) 2015-02-08 14:30:10 +00:00
Oliver Jowett 245bbd8b97 Report total, not latest-minute, message count in aircraft.json so that 
the webmap value doesn't jump around over a reset.
 2015-01-23 17:40:03 +00:00
Oliver Jowett c5b61a33fd Oops, another compile error, sigh. 2015-01-23 02:11:44 +00:00
Oliver Jowett c07e45a4c8 Report CPU in integer milliseconds, makes it a bit easier to process. 2015-01-23 02:03:57 +00:00
Oliver Jowett 5b40377b98 Measure CPU for demodulator, read thread, and background tasks individually. 2015-01-23 01:22:22 +00:00
Oliver Jowett eb023ff1d9 Don't include latest in 1/5/15 min totals, it's a bit confusing. 
This means the 1/5/15 min values may reflect a period that ended
up to 1 minute ago, but the length of the measured period is always
as expected i.e. 1/5/15 mins.
 2015-01-22 20:45:53 +00:00
Oliver Jowett c8025700e5 Emit all stats in stats.json. 2015-01-22 20:18:51 +00:00
Oliver Jowett 008ae926e7 Add --net-verbatim, which forwards the original uncorrected message to net clients, 
not the corrected version. Then the client can make its own policy decisions about
whether to accept and correct the damaged messages.
 2015-01-22 19:56:38 +00:00
Oliver Jowett a59077a370 Stats overhaul. 2015-01-22 19:49:19 +00:00
Oliver Jowett b77d52bd1f Include recent RSSI in aircraft output. 2015-01-22 15:30:34 +00:00
Oliver Jowett 89d6b64747 Treat signal level in network messages as a (RMS) amplitude, since that 
is what was previously done and it gives us better range for small signals.

Means a sqrt() call on beast output, but this shouldn't be too bad as
it's only done once per message.
 2015-01-22 15:28:35 +00:00
Oliver Jowett 35e0364670 Fix compile errors. 2015-01-22 13:29:13 +00:00
Oliver Jowett 70e8579850 Simple filter for spurious messages that make it past checksum: 
don't show aircraft until we have seen 2 messages from them.
 2015-01-22 13:22:16 +00:00
Oliver Jowett ada188a1c8 Changed my mind, put the non-ICAO flag bit in the address itself 
since we have 8 bits spare, so there's no chance of confusing it
with an ICAO address, and we can safely use the filter table to match
future messages without also matching equivalent ICAO addresses.
 2015-01-22 12:30:12 +00:00
Oliver Jowett 35551b4455 Don't emit FATSV output for non-ICAO addresses. 2015-01-22 12:18:46 +00:00
Oliver Jowett 6e1315e3a6 Flag non-ICAO addresses in json output. 2015-01-22 12:18:14 +00:00
Oliver Jowett d0605629b6 Avoid zero signalLevel. 2015-01-22 11:40:52 +00:00
Oliver Jowett 7850848ef7 Export a few stats via JSON. 2015-01-22 01:21:53 +00:00
Oliver Jowett 19082d92ea Measure signal power / noise power (at least in 2.4MHz mode). 
Switch signalLevel back to a power measurement, don't put SNR in there.
But make it a 0.0 - 1.0 double so we're not scaling everywhere.

Adjust for the amplitude offset when calculating power.

Adapt everything else to the new scheme.
 2015-01-22 01:01:39 +00:00
Oliver Jowett 2a1a2a0a71 Fix (maybe) JSON escaping. 
I've obviously never tested this code!
 2015-01-21 11:58:51 +00:00
Oliver Jowett cae20a8060 Escape flight name in JSON in case it has odd characters. 2015-01-21 11:56:27 +00:00
Oliver Jowett ebae590653 Use MODES_NOTUSED for unused args. 2015-01-21 11:54:55 +00:00
Oliver Jowett 5e522fe8db Decoder cleanups from experimental branch. 2015-01-21 00:23:48 +00:00
Oliver Jowett b9b76da02d Stats rearrangement, based on experimental branch changes. 2015-01-20 17:16:35 +00:00
Oliver Jowett e02a2cdd44 GPL. 2015-01-20 16:49:01 +00:00
Oliver Jowett e68949bdb3 Write an accurate value for the history count, so the progress bar is correct. 
(cherry picked from commit 0919700293e34f5a93a4407d33e1e56c0ae0d13c)
 2015-01-16 20:33:40 +00:00
Oliver Jowett c7204ec6ab Support image/gif content type 
(cherry picked from commit f4b38a62f69d0df2bb5d3a87979e38d76249b80a)
 2015-01-16 20:33:08 +00:00
Oliver Jowett 1db63ebc65 Add generation of history JSON. 
Add support for URL handlers that match a path prefix.

(cherry picked from commit 38faa510cb881cbf9d2a0a85bbde61130b5259e7)
 2015-01-16 20:31:59 +00:00
Oliver Jowett b1bfb4d520 Rationalization of JSON output. Pass actual URL path to URL handler. 
(cherry picked from commit becce8d69a6e6cee38d4fdb78b5a4e25d570baea)
 2015-01-16 20:30:41 +00:00
Oliver Jowett 63fb121d1c Status messages in HTTP responses. 
(cherry picked from commit 820528b4ad7f3963199718205724cdf3ac97b113)
 2015-01-16 20:28:36 +00:00
Oliver Jowett 72bfc31458 Display message rate (30 sec average) on the webmap. 
(cherry picked from commit 848af78be685c6e2a26d0b30e9f385696201a2c4)
 2015-01-13 22:01:53 +00:00
Oliver Jowett 0976d12b88 Ditch any query strings in HTTP requests before handling them, 
to allow AJAX requests to tack on a query string to avoid caching.
 2015-01-07 18:40:55 +00:00
Oliver Jowett e8a62293c2 More WIP on the webmap, mostly fixing up track history. 2015-01-06 01:00:44 +00:00
Oliver Jowett 1f06abf67d WIP webmap cleanup 2015-01-05 23:20:03 +00:00
Oliver Jowett 58dfbdcb6b Add support for controlling the accuracy of the receiver location 
written in the JSON metadata used by the webmap.
 2014-12-27 20:52:56 +00:00
Oliver Jowett 9fa09e0e92 receiver.json support, internal webserver cleanup. 
Add data/receiver.json (generated once) and support for it in script.js.

Internal webserver rearrangement to support multiple json files.
 2014-12-10 17:05:22 +00:00
Oliver Jowett c712543ee5 Only completeWrite() if we didn't run off the end of the buffer. 
If we did run off the end, complain about it.
 2014-12-08 20:17:48 +00:00
Oliver Jowett 39d905324f Be more paranoid about not overrunning our fatsv output buffer. 
Request a buffer of a more reasonable size.
 2014-12-08 20:14:53 +00:00
Oliver Jowett 2dcc8e3524 Add direct support for FATSV-format output. 
This is adapted from the FlightAware fork, with some cleanup and
modifications needed to work with the net-cleanup changes.

Inclusion of "verbatim" TSV data read from an AVR-format input
connection is not supported.
 2014-12-08 19:56:45 +00:00
Oliver Jowett af957da81c Merge branch 'realpath-memory-leak' 2014-12-07 14:10:17 +00:00
Oliver Jowett d09eefb827 Fix a memory leak from use of realpath() in HTTP request processing. 
realpath() returns a heap-allocated buffer if given NULL for the destination buffer.
This must be freed by the caller; dump1090 does not do this.

Instead of worrying about freeing it, take the simpler approach of just providing a
stack-allocated destination buffer.
 2014-12-07 14:05:24 +00:00
Oliver Jowett e0bc89e542 Merge branch 'write-json-files' into oversampling 2014-11-23 16:34:18 +00:00
Oliver Jowett ebab2c0e11 Create json files with mode 0644 - umask. 
mkstemp defaults to 0600 which is not so useful for serving the file.
 2014-11-23 16:32:45 +00:00
Oliver Jowett 7bd2ee5510 Merge branch 'write-json-files' into oversampling 
Conflicts:
	dump1090.c
	dump1090.h
 2014-11-23 16:03:35 +00:00
Oliver Jowett 6910a4bf4d Experimental json changes 2014-11-23 16:02:11 +00:00