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Remove idle aircrafts in interactive mode.

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This commit is contained in:
antirez 2013-01-08 19:25:28 +01:00
parent 3f47bb6f47
commit f231c7adb2
1 changed files with 33 additions and 1 deletions
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34
dump1090.c
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@ -73,7 +73,8 @@
#define MODES_DEBUG_NOPREAMBLE_LEVEL 25
#define MODES_INTERACTIVE_REFRESH_TIME 250 /* Milliseconds */
#define MODES_INTERACTIVE_ROWS 15
#define MODES_INTERACTIVE_ROWS 15 /* Rows on screen */
#define MODES_INTERACTIVE_TTL 60 /* TTL before being removed */
#define MODES_NOTUSED(V) ((void) V)
@ -119,6 +120,7 @@ struct {
int debug; /* Debugging mode */
int interactive; /* Interactive mode */
int interactive_rows; /* Interactive mode: max number of rows */
int interactive_ttl; /* Interactive mode: TTL before deletion */
int stats; /* Print stats at exit in --ifile mode. */
int onlyaddr; /* Print only ICAO addresses. */
@ -208,6 +210,7 @@ void modesInitConfig(void) {
Modes.debug = 0;
Modes.interactive = 0;
Modes.interactive_rows = MODES_INTERACTIVE_ROWS;
Modes.interactive_ttl = MODES_INTERACTIVE_TTL;
}
void modesInit(void) {
@ -1296,6 +1299,31 @@ void interactiveShowData(void) {
}
}
/* When in interactive mode If we don't receive new nessages within
* MODES_INTERACTIVE_TTL seconds we remove the aircraft from the list. */
void interactiveRemoveStaleAircrafts(void) {
struct aircraft *a = Modes.aircrafts;
struct aircraft *prev = NULL;
time_t now = time(NULL);
while(a) {
if ((now - a->seen) > Modes.interactive_ttl) {
struct aircraft *next = a->next;
/* Remove the element from the linked list, with care
* if we are removing the first element. */
free(a);
if (!prev)
Modes.aircrafts = next;
else
prev->next = next;
a = next;
} else {
prev = a;
a = a->next;
}
}
}
/* ============================== Snip mode ================================= */
/* Get raw IQ samples and filter everything is < than the specified level
@ -1327,6 +1355,7 @@ void showHelp(void) {
"--ifile <filename> Read data from file (use '-' for stdin).\n"
"--interactive Interactive mode refreshing data on screen.\n"
"--interactive-rows <num> Max number of rows in interactive mode (default: 15).\n"
"--interactive-ttl <sec> Remove from list if idle for <sec> (default: 60).\n"
"--raw Show only messages hex values.\n"
"--no-fix Disable single-bits error correction using CRC.\n"
"--no-crc-check Disable messages with broken CRC (discouraged).\n"
@ -1370,6 +1399,8 @@ int main(int argc, char **argv) {
Modes.interactive = 1;
} else if (!strcmp(argv[j],"--interactive-rows")) {
Modes.interactive_rows = atoi(argv[++j]);
} else if (!strcmp(argv[j],"--interactive-ttl")) {
Modes.interactive_ttl = atoi(argv[++j]);
} else if (!strcmp(argv[j],"--debug") && more) {
Modes.debug = atoi(argv[++j]);
} else if (!strcmp(argv[j],"--stats")) {
@ -1429,6 +1460,7 @@ int main(int argc, char **argv) {
(mstime() - Modes.interactive_last_update) >
MODES_INTERACTIVE_REFRESH_TIME)
{
interactiveRemoveStaleAircrafts();
interactiveShowData();
Modes.interactive_last_update = mstime();
}