128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
#include "AppData.h"
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//
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//carried over from view1090.c
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//
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int AppData::setupConnection(struct client *c) {
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int fd;
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if ((fd = anetTcpConnect(modes.aneterr, server, modes.net_input_beast_port)) != ANET_ERR) {
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anetNonBlock(modes.aneterr, fd);
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c->next = NULL;
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c->buflen = 0;
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c->fd =
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c->service =
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modes.bis = fd;
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modes.clients = c;
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}
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return fd;
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}
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void AppData::initialize() {
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if ( NULL == (modes.icao_cache = (uint32_t *) malloc(sizeof(uint32_t) * MODES_ICAO_CACHE_LEN * 2)))
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{
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fprintf(stderr, "Out of memory allocating data buffer.\n");
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exit(1);
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}
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memset(modes.icao_cache, 0, sizeof(uint32_t) * MODES_ICAO_CACHE_LEN * 2);
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modesInitErrorInfo(&(modes));
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}
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void AppData::connect() {
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c = (struct client *) malloc(sizeof(*c));
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while(1) {
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if ((fd = setupConnection(c)) == ANET_ERR) {
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fprintf(stderr, "Waiting on %s:%d\n", server, modes.net_input_beast_port);
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sleep(1);
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} else {
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break;
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}
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}
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}
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void AppData::disconnect() {
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if (fd != ANET_ERR)
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{close(fd);}
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}
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void AppData::update() {
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if ((fd == ANET_ERR) || (recv(c->fd, pk_buf, sizeof(pk_buf), MSG_PEEK | MSG_DONTWAIT) == 0)) {
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free(c);
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usleep(1000000);
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c = (struct client *) malloc(sizeof(*c));
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fd = setupConnection(c);
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return;
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}
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char empty;
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modesReadFromClient(&modes, c, &empty,decodeBinMessage);
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interactiveRemoveStaleAircrafts(&modes);
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aircraftList.update(&modes);
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//this can probably be collapsed into somethingelse, came from status.c
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updateStatus();
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}
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void AppData::updateStatus() {
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// struct aircraft *a = Modes.aircrafts;
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numVisiblePlanes = 0;
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numPlanes = 0;
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maxDist = 0;
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totalCount = 0;
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sigAccumulate = 0.0;
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msgRateAccumulate = 0.0;
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Aircraft *p = aircraftList.head;
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while(p) {
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unsigned char * pSig = p->signalLevel;
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unsigned int signalAverage = (pSig[0] + pSig[1] + pSig[2] + pSig[3] +
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pSig[4] + pSig[5] + pSig[6] + pSig[7]);
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sigAccumulate += signalAverage;
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if (p->lon && p->lat) {
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numVisiblePlanes++;
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}
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totalCount++;
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msgRateAccumulate += p->messageRate;
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p = p->next;
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}
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msgRate = msgRateAccumulate;
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avgSig = sigAccumulate / (double) totalCount;
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numPlanes = totalCount;
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numVisiblePlanes = numVisiblePlanes;
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maxDist = maxDist;
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}
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AppData::AppData(){
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memset(&modes, 0, sizeof(Modes));
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modes.check_crc = 1;
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strcpy(server,VIEW1090_NET_OUTPUT_IP_ADDRESS);
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modes.net_input_beast_port = MODES_NET_OUTPUT_BEAST_PORT;
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modes.interactive_rows = MODES_INTERACTIVE_ROWS;
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modes.interactive_delete_ttl = MODES_INTERACTIVE_DELETE_TTL;
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modes.interactive_display_ttl = MODES_INTERACTIVE_DISPLAY_TTL;
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modes.fUserLat = MODES_USER_LATITUDE_DFLT;
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modes.fUserLon = MODES_USER_LONGITUDE_DFLT;
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modes.interactive = 0;
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modes.quiet = 1;
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}
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