af9cfce3ff
Former-commit-id: bbd3fe3c0438b9f8d2188b8d1f5ffc70616a789f Former-commit-id: d19da520563adeb80996df92c65ba5e1e6785596
235 lines
9.1 KiB
Plaintext
235 lines
9.1 KiB
Plaintext
// view1090, a Mode S messages viewer for dump1090 devices.
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//
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// Copyright (C) 2014 by Malcolm Robb <Support@ATTAvionics.com>
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#include "view1090.h"
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#include "structs.h"
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#include "AircraftData.h"
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int go = 1;
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AppData appData;
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Style style;
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//
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// ============================= Utility functions ==========================
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//
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void sigintHandler(int dummy) {
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NOTUSED(dummy);
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signal(SIGINT, SIG_DFL); // reset signal handler - bit extra safety
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AircraftData.modes.exit = 1; // Signal to threads that we are done
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}
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//
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//=========================================================================
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//
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// Set up data connection
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int setupConnection(struct client *c) {
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int fd;
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// Try to connect to the selected ip address and port. We only support *ONE* input connection which we initiate.here.
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if ((fd = anetTcpConnect(AircraftData.modes.aneterr, View1090.net_input_beast_ipaddr, AircraftData.modes.net_input_beast_port)) != ANET_ERR) {
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anetNonBlock(AircraftData.modes.aneterr, fd);
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//
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// Setup a service callback client structure for a beast binary input (from dump1090)
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// This is a bit dodgy under Windows. The fd parameter is a handle to the internet
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// socket on which we are receiving data. Under Linux, these seem to start at 0 and
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// count upwards. However, Windows uses "HANDLES" and these don't nececeriy start at 0.
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// dump1090 limits fd to values less than 1024, and then uses the fd parameter to
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// index into an array of clients. This is ok-ish if handles are allocated up from 0.
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// However, there is no gaurantee that Windows will behave like this, and if Windows
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// allocates a handle greater than 1024, then dump1090 won't like it. On my test machine,
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// the first Windows handle is usually in the 0x54 (84 decimal) region.
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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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AircraftData.modes.bis = fd;
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AircraftData.modes.clients = c;
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}
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return fd;
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}
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//
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// ================================ Main ====================================
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//
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void showHelp(void) {
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printf(
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"-----------------------------------------------------------------------------\n"
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"| view1090 dump1090 Viewer Ver : "MODES_DUMP1090_VERSION " |\n"
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"-----------------------------------------------------------------------------\n"
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"--server <IPv4/hosname> TCP Beast output listen IPv4 (default: 127.0.0.1)\n"
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"--port <port> TCP Beast output listen port (default: 30005)\n"
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"--lat <latitude> Reference/receiver latitide for surface posn (opt)\n"
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"--lon <longitude> Reference/receiver longitude for surface posn (opt)\n"
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"--metric Use metric units (meters, km/h, ...)\n"
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"--help Show this help\n"
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"--uiscale <factor> UI global scaling (default: 1)\n"
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"--screensize <width> <height> Set frame buffer resolution (default: screen resolution)\n"
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"--fullscreen Start fullscreen\n"
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);
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}
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#ifdef _WIN32
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void showCopyright(void) {
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uint64_t llTime = time(NULL) + 1;
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printf(
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"-----------------------------------------------------------------------------\n"
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"| view1090 ModeS Viewer Ver : " MODES_DUMP1090_VERSION " |\n"
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"-----------------------------------------------------------------------------\n"
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"\n"
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" Copyright (C) 2012 by Salvatore Sanfilippo <antirez@gmail.com>\n"
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" Copyright (C) 2014 by Malcolm Robb <support@attavionics.com>\n"
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" Copyright (C) 2020 by Nathan Matsuda <info@nathanmatsuda.com>\n"
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"\n"
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" All rights reserved.\n"
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"\n"
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" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
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" ""AS IS"" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
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" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
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" A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"
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" HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
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" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
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" LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
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" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
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" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
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" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
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" OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
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"\n"
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" For further details refer to <https://github.com/MalcolmRobb/dump1090>\n"
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"\n"
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);
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// delay for 1 second to give the user a chance to read the copyright
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while (llTime >= time(NULL)) {}
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}
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#endif
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//
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//=========================================================================
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//
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int main(int argc, char **argv) {
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int j, fd;
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struct client *c;
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char pk_buf[8];
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AircraftData aircraftData;
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signal(SIGINT, sigintHandler); // Define Ctrl/C handler (exit program)
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aircraftData.initialize();
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// Parse the command line options
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for (j = 1; j < argc; j++) {
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int more = ((j + 1) < argc); // There are more arguments
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if (!strcmp(argv[j],"--net-bo-port") && more) {
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AircraftData.modes.net_input_beast_port = atoi(argv[++j]);
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} else if (!strcmp(argv[j],"--port") && more) {
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AircraftData.modes.net_input_beast_port = atoi(argv[++j]);
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} else if (!strcmp(argv[j],"--net-bo-ipaddr") && more) {
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strcpy(View1090.net_input_beast_ipaddr, argv[++j]);
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} else if (!strcmp(argv[j],"--server") && more) {
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strcpy(View1090.net_input_beast_ipaddr, argv[++j]);
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} else if (!strcmp(argv[j],"--lat") && more) {
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AircraftData.modes.fUserLat = atof(argv[++j]);
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appData.centerLat = AircraftData.modes.fUserLat;
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} else if (!strcmp(argv[j],"--lon") && more) {
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AircraftData.modes.fUserLon = atof(argv[++j]);
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appData.centerLon = AircraftData.modes.fUserLon;
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} else if (!strcmp(argv[j],"--metric")) {
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AircraftData.modes.metric = 1;
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} else if (!strcmp(argv[j],"--fullscreen")) {
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appData.fullscreen = 1;
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} else if (!strcmp(argv[j],"--uiscale") && more) {
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appData.screen_uiscale = atoi(argv[++j]);
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} else if (!strcmp(argv[j],"--screensize") && more) {
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appData.screen_width = atoi(argv[++j]);
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appData.screen_height = atoi(argv[++j]);
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} else if (!strcmp(argv[j],"--help")) {
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showHelp();
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exit(0);
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} else {
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fprintf(stderr, "Unknown or not enough arguments for option '%s'.\n\n", argv[j]);
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showHelp();
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exit(1);
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}
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}
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// Try to connect to the selected ip address and port. We only support *ONE* input connection which we initiate.here.
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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", View1090.net_input_beast_ipaddr, AircraftData.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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int go;
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init("sdl1090");
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atexit(cleanup);
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go = 1;
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while (go == 1)
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{
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getInput();
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interactiveRemoveStaleAircrafts();
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draw();
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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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continue;
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}
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modesReadFromClient(c,"",decodeBinMessage);
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//usleep(10000);
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}
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// The user has stopped us, so close any socket we opened
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if (fd != ANET_ERR)
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{close(fd);}
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return (0);
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}
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//
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//=========================================================================
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//
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