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-rw-r--r--map-server/altos-mapd/.gitignore6
-rw-r--r--map-server/altos-mapd/AltosMapd.java235
-rw-r--r--map-server/altos-mapd/AltosMapdClient.java156
-rw-r--r--map-server/altos-mapd/AltosMapdPreferences.java85
-rw-r--r--map-server/altos-mapd/AltosMapdServer.java24
-rw-r--r--map-server/altos-mapd/Makefile.am73
-rw-r--r--map-server/altos-mapd/Manifest.txt2
-rw-r--r--map-server/altos-mapd/altos-mapd-default4
-rw-r--r--map-server/altos-mapd/altos-mapd.service14
9 files changed, 599 insertions, 0 deletions
diff --git a/map-server/altos-mapd/.gitignore b/map-server/altos-mapd/.gitignore
new file mode 100644
index 00000000..5f5ce0ae
--- /dev/null
+++ b/map-server/altos-mapd/.gitignore
@@ -0,0 +1,6 @@
+*.stamp
+*.jar
+altos-mapd
+altos-mapd-jdb
+altos-mapd-test
+classes
diff --git a/map-server/altos-mapd/AltosMapd.java b/map-server/altos-mapd/AltosMapd.java
new file mode 100644
index 00000000..29528541
--- /dev/null
+++ b/map-server/altos-mapd/AltosMapd.java
@@ -0,0 +1,235 @@
+/*
+ * Copyright © 2018 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+package altosmapd;
+
+import java.net.*;
+import java.io.*;
+import java.text.*;
+import java.util.*;
+import java.util.concurrent.*;
+
+import org.altusmetrum.altoslib_13.*;
+
+public class AltosMapd implements AltosLaunchSiteListener {
+
+ public static int port = 16717;
+
+ public final static int maptype = AltosMap.maptype_hybrid;
+
+ public final static int px_size = 512;
+
+ public final static int scale = 1;
+
+ public static int max_zoom = 17;
+
+ public static double valid_radius = 17000; /* 17km */
+
+ public String map_dir = null;
+ public String launch_sites_file = null;
+ public String key_file = null;
+
+ public void usage() {
+ System.out.printf("usage: altos-mapd [--mapdir <map-directory] [--launch-sites <launch-sites-file>]\n" +
+ " [--radius <valid-radius-m> [--port <port>] [--key <key-file>]\n" +
+ " [--max-zoom <max-zoom-level>\n");
+ System.exit(1);
+ }
+
+ private static Semaphore launch_sites_ready;
+
+ private static List<AltosLaunchSite> launch_sites;
+
+ public void notify_launch_sites(List<AltosLaunchSite> sites) {
+ synchronized (launch_sites_ready) {
+ if (sites != null) {
+ launch_sites = sites;
+ launch_sites_ready.release();
+ }
+ }
+ }
+
+ private static boolean west_of(double a, double b) {
+ double diff = b - a;
+
+ while (diff >= 360.0)
+ diff -= 360.0;
+ while (diff <= -360.0)
+ diff += 360.0;
+
+ return diff >= 0;
+ }
+
+ public static boolean check_lat_lon(double lat, double lon, int zoom) {
+
+ if (zoom > max_zoom)
+ return false;
+
+ AltosMapTransform transform = new AltosMapTransform(px_size, px_size, zoom, new AltosLatLon(lat, lon));
+
+ AltosLatLon upper_left = transform.screen_lat_lon(new AltosPointInt(0, 0));
+ AltosLatLon lower_right = transform.screen_lat_lon(new AltosPointInt(px_size, px_size));
+
+ synchronized (launch_sites_ready) {
+ if (launch_sites == null) {
+ try {
+ launch_sites_ready.acquire();
+ } catch (InterruptedException ie) {
+ return false;
+ }
+ }
+ }
+ if (launch_sites == null) {
+ System.out.printf("No launch site data available, refusing all requests\n");
+ return false;
+ }
+
+ for (AltosLaunchSite site : launch_sites) {
+
+ /* Figure out which point in the tile to
+ * measure to the site That's one of the edges
+ * or the site location depend on where the
+ * site is in relation to the tile
+ */
+
+ double check_lon;
+
+ if (west_of(site.longitude, upper_left.lon))
+ check_lon = upper_left.lon;
+ else if (west_of(lower_right.lon, site.longitude))
+ check_lon = lower_right.lon;
+ else
+ check_lon = site.longitude;
+
+ double check_lat;
+
+ if (site.latitude < lower_right.lat)
+ check_lat = lower_right.lat;
+ else if (upper_left.lat < site.latitude)
+ check_lat = upper_left.lat;
+ else
+ check_lat = site.latitude;
+
+ AltosGreatCircle gc = new AltosGreatCircle(site.latitude, site.longitude,
+ check_lat, check_lon);
+
+ if (gc.distance <= valid_radius)
+ return true;
+ }
+
+ return false;
+ }
+
+ AltosMapdServer server;
+
+ public void process(String[] args) {
+
+ AltosPreferences.init(new AltosMapdPreferences());
+
+ int skip = 1;
+ for (int i = 0; i < args.length; i += skip) {
+ skip = 1;
+ if (args[i].equals("--mapdir") && i < args.length-1) {
+ map_dir = args[i+1];
+ skip = 2;
+ } else if (args[i].equals("--launch-sites") && i < args.length-1) {
+ launch_sites_file = args[i+1];
+ skip = 2;
+ } else if (args[i].equals("--radius") && i < args.length-1) {
+ try {
+ valid_radius = AltosParse.parse_double_locale(args[i+1]);
+ } catch (ParseException pe) {
+ usage();
+ }
+ skip = 2;
+ } else if (args[i].equals("--port") && i < args.length-1) {
+ try {
+ port = AltosParse.parse_int(args[i+1]);
+ } catch (ParseException pe) {
+ usage();
+ }
+ skip = 2;
+ } else if (args[i].equals("--key") && i < args.length-1) {
+ key_file = args[i+1];
+ skip = 2;
+ } else if (args[i].equals("--max-zoom") && i < args.length-1) {
+ try {
+ max_zoom = AltosParse.parse_int(args[i+1]);
+ } catch (ParseException pe) {
+ usage();
+ }
+ skip = 2;
+ } else {
+ usage();
+ }
+ }
+
+ if (map_dir == null)
+ usage();
+
+ if (key_file != null) {
+ try {
+ BufferedReader key_reader = new BufferedReader(new FileReader(key_file));
+
+ String line = key_reader.readLine();
+ if (line == null || line.length() != 39) {
+ System.out.printf("%s: invalid contents %d \"%s\"\n",
+ key_file, line.length(), line);
+ usage();
+ }
+ key_reader.close();
+ AltosMapStore.google_maps_api_key = line;
+ } catch (Exception e) {
+ System.out.printf("%s: %s\n", key_file, e.toString());
+ usage();
+ }
+ }
+
+ AltosPreferences.mapdir = new File(map_dir);
+
+ if (launch_sites_file != null)
+ AltosLaunchSites.launch_sites_url = "file://" + launch_sites_file;
+
+ launch_sites_ready = new Semaphore(0);
+
+ new AltosLaunchSites(this);
+
+ try {
+ server = new AltosMapdServer(port);
+ } catch (IOException ie) {
+ System.out.printf("Cannot bind to port %d: %s\n", port, ie.toString());
+ usage();
+ }
+
+ for (;;) {
+ try {
+ Socket client = server.accept();
+ if (client == null) {
+ System.out.printf("accept failed\n");
+ continue;
+ }
+ new AltosMapdClient(client);
+ } catch (Exception e) {
+ System.out.printf("Exception %s\n", e.toString());
+ }
+ }
+ }
+
+ public void AltosMapd() {
+ }
+
+ public static void main(final String[] args) {
+ new AltosMapd().process(args);
+ }
+}
diff --git a/map-server/altos-mapd/AltosMapdClient.java b/map-server/altos-mapd/AltosMapdClient.java
new file mode 100644
index 00000000..6c95da8f
--- /dev/null
+++ b/map-server/altos-mapd/AltosMapdClient.java
@@ -0,0 +1,156 @@
+/*
+ * Copyright © 2018 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+package altosmapd;
+
+import java.net.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.io.*;
+
+import org.altusmetrum.altoslib_13.*;
+
+public class AltosMapdClient extends Thread implements AltosMapStoreListener {
+ private Socket socket;
+ private AltosJson request;
+ private AltosJson reply;
+
+ private int http_status;
+
+ private void set_status(int status) {
+ http_status = status;
+ reply.put("status", status);
+ }
+
+ private void set_filename(String filename) {
+ reply.put("filename", filename);
+
+ }
+
+ private void set_content_type(String content_type) {
+ reply.put("content_type", content_type);
+ }
+
+ private String content_type(File file) {
+ String content_type = "application/octet-stream";
+ String basename = file.getName();
+ if (basename.endsWith(".jpg"))
+ content_type = "image/jpeg";
+ if (basename.endsWith(".png"))
+ content_type = "image/png";
+ return content_type;
+ }
+
+ private void set_file(File file) {
+ set_filename(file.getAbsolutePath());
+ set_content_type(content_type(file));
+ }
+
+ private Semaphore store_ready;
+
+ public void notify_store(AltosMapStore map_store, int status) {
+ if (status != AltosMapTile.fetching)
+ store_ready.release();
+ }
+
+ public void run() {
+ reply = new AltosJson();
+ try {
+ request = AltosJson.fromInputStream(socket.getInputStream());
+
+ if (request == null) {
+ set_status(400);
+ System.out.printf("client failed %d\n", http_status);
+ } else {
+
+ double lat = request.get_double("lat", AltosLib.MISSING);
+ double lon = request.get_double("lon", AltosLib.MISSING);
+ int zoom = request.get_int("zoom", AltosLib.MISSING);
+ String addr = request.get_string("remote_addr", null);
+
+ if (lat == AltosLib.MISSING ||
+ lon == AltosLib.MISSING ||
+ zoom == AltosLib.MISSING ||
+ addr == null)
+ {
+ set_status(400);
+ } else if (!AltosMapd.check_lat_lon(lat, lon, zoom)) {
+ set_status(403); /* Forbidden */
+ } else {
+
+ store_ready = new Semaphore(0);
+
+ AltosMapStore map_store = AltosMapStore.get(new AltosLatLon(lat, lon),
+ zoom,
+ AltosMapd.maptype,
+ AltosMapd.px_size,
+ AltosMapd.scale);
+ int status;
+
+ if (map_store == null) {
+ status = AltosMapTile.failed;
+ } else {
+ map_store.add_listener(this);
+
+ try {
+ store_ready.acquire();
+ } catch (Exception ie) {
+ }
+
+ status = map_store.status();
+ }
+
+ if (status == AltosMapTile.fetched || status == AltosMapTile.loaded) {
+ set_status(200);
+ set_file(map_store.file);
+ } else if (status == AltosMapTile.failed) {
+ set_status(404);
+ } else if (status == AltosMapTile.fetching) {
+ set_status(408);
+ } else if (status == AltosMapTile.bad_request) {
+ set_status(400);
+ } else if (status == AltosMapTile.forbidden) {
+ set_status(403);
+ } else {
+ set_status(400);
+ }
+ }
+ System.out.printf("%s: %.6f %.6f %d status %d\n",
+ addr, lat, lon, zoom, http_status);
+ }
+ } catch (Exception e) {
+ System.out.printf("client exception %s\n", e.toString());
+ e.printStackTrace(System.out);
+ set_status(400);
+
+ } finally {
+ try {
+ Writer writer = new PrintWriter(socket.getOutputStream());
+ reply.write(writer);
+ writer.write('\n');
+ writer.flush();
+ } catch (IOException ie) {
+ }
+ try {
+ socket.close();
+ } catch (IOException ie) {
+ }
+ }
+ }
+
+ public AltosMapdClient(Socket socket) {
+ this.socket = socket;
+ start();
+ }
+}
diff --git a/map-server/altos-mapd/AltosMapdPreferences.java b/map-server/altos-mapd/AltosMapdPreferences.java
new file mode 100644
index 00000000..fcfe3261
--- /dev/null
+++ b/map-server/altos-mapd/AltosMapdPreferences.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright © 2018 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+package altosmapd;
+
+import java.io.*;
+
+import org.altusmetrum.altoslib_13.*;
+
+public class AltosMapdPreferences extends AltosPreferencesBackend {
+
+ public String getString(String key, String def) {
+ return def;
+ }
+ public void putString(String key, String value) {
+ }
+
+ public int getInt(String key, int def) {
+ return def;
+ }
+
+ public void putInt(String key, int value) {
+ }
+
+ public double getDouble(String key, double def) {
+ return def;
+ }
+
+ public void putDouble(String key, double value) {
+ }
+
+ public boolean getBoolean(String key, boolean def) {
+ return def;
+ }
+
+ public void putBoolean(String key, boolean value) {
+ }
+
+ public byte[] getBytes(String key, byte[] def) {
+ return def;
+ }
+
+ public void putBytes(String key, byte[] value) {
+ }
+
+ public boolean nodeExists(String key) {
+ return false;
+ }
+
+ public AltosPreferencesBackend node(String key) {
+ return this;
+ }
+
+ public String[] keys() {
+ return null;
+ }
+
+ public void remove(String key) {
+ }
+
+ public void flush() {
+ }
+
+ public File homeDirectory() {
+ return new File (".");
+ }
+
+ public void debug(String format, Object ... arguments) {
+ System.out.printf(format, arguments);
+ }
+
+ public AltosMapdPreferences() {
+ }
+}
diff --git a/map-server/altos-mapd/AltosMapdServer.java b/map-server/altos-mapd/AltosMapdServer.java
new file mode 100644
index 00000000..db7f7dc1
--- /dev/null
+++ b/map-server/altos-mapd/AltosMapdServer.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright © 2018 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+package altosmapd;
+
+import java.net.*;
+import java.io.*;
+
+public class AltosMapdServer extends ServerSocket {
+ public AltosMapdServer(int port) throws IOException {
+ super(port, 256, InetAddress.getLoopbackAddress());
+ }
+}
diff --git a/map-server/altos-mapd/Makefile.am b/map-server/altos-mapd/Makefile.am
new file mode 100644
index 00000000..39f67536
--- /dev/null
+++ b/map-server/altos-mapd/Makefile.am
@@ -0,0 +1,73 @@
+JAVAROOT=classes
+AM_JAVACFLAGS=-target 1.6 -encoding UTF-8 -Xlint:deprecation -Xlint:unchecked -source 6
+
+altoslibdir=$(libdir)/altos
+
+CLASSPATH_ENV=mkdir -p $(JAVAROOT); CLASSPATH="$(JAVAROOT):../../altoslib/*"
+
+bin_SCRIPTS=altos-mapd
+
+altosmapd_JAVA = \
+ AltosMapd.java \
+ AltosMapdServer.java \
+ AltosMapdClient.java \
+ AltosMapdPreferences.java
+
+ALTOSLIB_CLASS=\
+ altoslib_$(ALTOSLIB_VERSION).jar
+
+JAR=altosmapd.jar
+
+FATJAR=altosmapd-fat.jar
+
+all-local: classes/altosmapd $(JAR) altos-mapd altos-mapd-test altos-mapd-jdb
+
+defaultsdir=$(sysconfdir)/default
+
+defaults_DATA=altos-mapd-default
+
+systemddir=$(libdir)/systemd/system
+
+systemd_DATA=altos-mapd.service
+
+install-altosmapdJAVA: altosmapd.jar
+ @$(NORMAL_INSTALL)
+ test -z "$(altosmapddir)" || $(MKDIR_P) "$(DESTDIR)$(altosmapddir)"
+ echo " $(INSTALL_DATA)" "$<" "'$(DESTDIR)$(altosmapddir)/altosdmap.jar'"; \
+ $(INSTALL_DATA) "$<" "$(DESTDIR)$(altosmapddir)"
+
+classes/altosmapd:
+ mkdir -p classes/altosmapd
+
+$(JAR): classaltosmapd.stamp Manifest.txt $(ALTOSLIB_CLASS)
+ jar cfm $@ Manifest.txt \
+ -C classes altosmapd
+
+altosmapddir=$(datadir)/java
+
+$(FATJAR): classaltosmapd.stamp Manifest-fat.txt $(ALTOSLIB_CLASS)
+ jar cfm $@ Manifest-fat.txt \
+ -C classes altosmapd
+
+altos-mapd: Makefile
+ echo "#!/bin/sh" > $@
+ echo 'exec java -Djava.library.path="$(altoslibdir)" -jar "$(altosmapddir)/altosmapd.jar" "$$@"' >> $@
+ chmod +x $@
+
+altos-mapd-test: Makefile
+ echo '#!/bin/sh' > $@
+ echo 'dir="$$(dirname $$0)"' >> $@
+ echo 'cd "$$dir"' >> $@
+ echo 'altosmapd="$$(pwd -P)"' >> $@
+ echo 'exec java -jar "$$altosmapd/altosmapd.jar" "$$@"' >> $@
+ chmod +x $@
+
+altos-mapd-jdb: Makefile
+ echo "#!/bin/sh" > $@
+ echo 'exec jdb altosmapd/AltosMapd "$$@"' >> $@
+ chmod +x $@
+
+$(ALTOSLIB_CLASS):
+ -rm -f "$@"
+ $(LN_S) ../../altoslib/"$@" .
+
diff --git a/map-server/altos-mapd/Manifest.txt b/map-server/altos-mapd/Manifest.txt
new file mode 100644
index 00000000..42c0313b
--- /dev/null
+++ b/map-server/altos-mapd/Manifest.txt
@@ -0,0 +1,2 @@
+Main-Class: altosmapd.AltosMapd
+Class-Path: altoslib_13.jar
diff --git a/map-server/altos-mapd/altos-mapd-default b/map-server/altos-mapd/altos-mapd-default
new file mode 100644
index 00000000..1611f0b6
--- /dev/null
+++ b/map-server/altos-mapd/altos-mapd-default
@@ -0,0 +1,4 @@
+MAPKEY=/home/altos-mapd/google-maps-api-key
+MAPDIR=/home/altos-mapd/maps
+LAUNCHSITES=/var/www/html/launch-sites.txt
+MAXZOOM=17
diff --git a/map-server/altos-mapd/altos-mapd.service b/map-server/altos-mapd/altos-mapd.service
new file mode 100644
index 00000000..ba263c2a
--- /dev/null
+++ b/map-server/altos-mapd/altos-mapd.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=AltOS Map Cache
+Requires=network-online.target
+After=network-online.target
+
+[Service]
+Type=simple
+User=altos-mapd
+Restart=always
+EnvironmentFile=/etc/default/altos-mapd-default
+ExecStart=/usr/bin/altos-mapd --key $MAPKEY --mapdir $MAPDIR --launch-sites $LAUNCHSITES --max-zoom $MAXZOOM
+
+[Install]
+WantedBy=multi-user.target
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-17 13:04:22 +0000