AFG/dump1090
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Write an accurate value for the history count, so the progress bar is correct.

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(cherry picked from commit 0919700293e34f5a93a4407d33e1e56c0ae0d13c)
This commit is contained in:
Oliver Jowett 2015-01-15 22:23:53 +00:00
parent dd734debc3
commit e68949bdb3
2 changed files with 14 additions and 2 deletions
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7
dump1090.c
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@ -713,6 +713,7 @@ void backgroundTasks(void) {
if ((Modes.json_dir || Modes.net_http_port) && now >= next_history) {
char filebuf[PATH_MAX];
int rewrite_receiver_json = (Modes.json_aircraft_history[HISTORY_SIZE-1].content == NULL);
free(Modes.json_aircraft_history[Modes.json_aircraft_history_next].content); // might be NULL, that's OK.
Modes.json_aircraft_history[Modes.json_aircraft_history_next].content =
@ -722,6 +723,10 @@ void backgroundTasks(void) {
writeJsonToFile(filebuf, generateHistoryJson);
Modes.json_aircraft_history_next = (Modes.json_aircraft_history_next+1) % HISTORY_SIZE;
if (rewrite_receiver_json)
writeJsonToFile("receiver.json", generateReceiverJson); // number of history entries changed
next_history = now + HISTORY_INTERVAL;
}
}
@ -977,7 +982,7 @@ int main(int argc, char **argv) {
}
if (Modes.net) modesInitNet();
writeJsonToFile("receiver.json", generateReceiverJson); // once only on startup
writeJsonToFile("receiver.json", generateReceiverJson); // once on startup
// If the user specifies --net-only, just run in order to serve network
// clients without reading data from the RTL device

9
net_io.c
View file

@ -737,14 +737,21 @@ char *generateAircraftJson(const char *url_path, int *len) {
char *generateReceiverJson(const char *url_path, int *len)
{
char *buf = (char *) malloc(1024), *p = buf;
int history_size;
(void)url_path; // unused
// work out number of valid history entries
if (Modes.json_aircraft_history[HISTORY_SIZE-1].content == NULL)
history_size = Modes.json_aircraft_history_next;
else
history_size = HISTORY_SIZE;
p += sprintf(p, "{ " \
"\"version\" : \"%s\", "
"\"refresh\" : %d, "
"\"history\" : %d",
MODES_DUMP1090_VERSION, Modes.json_interval * 1000, HISTORY_SIZE);
MODES_DUMP1090_VERSION, Modes.json_interval * 1000, history_size);
if (Modes.json_location_accuracy && (Modes.fUserLat != 0.0 || Modes.fUserLon != 0.0)) {
if (Modes.json_location_accuracy == 1) {