public final static int port = 16717;
+ public final static String protocol_version = "1.0.0";
+
String query_string;
String remote_addr;
public void fail(int status, String reason) {
write_status(status);
write_type("text/html");
+ System.out.printf("\n");
+ System.out.printf("<html>\n");
+ System.out.printf("<head><title>Map Fetch Failure</title></head>\n");
System.out.printf("<body>%s</body>\n", reason);
+ System.out.printf("</html>\n");
System.exit(1);
}
double lon = AltosLib.MISSING;
double lat = AltosLib.MISSING;
int zoom = AltosLib.MISSING;
+ String version = null;
try {
for (String query : queries) {
lat = AltosParse.parse_double_net(value);
else if (name.equals("zoom"))
zoom = AltosParse.parse_int(value);
+ else if (name.equals("version"))
+ version = value;
else
fail(400, String.format("Extra query param \"%s\"", query));
}
fail(400, String.format("Invalid query: %s", pe.toString()));
}
- if (lon == AltosLib.MISSING)
- fail(400, "Missing longitude");
- if (lat == AltosLib.MISSING)
- fail(400, "Missing latitude");
- if (zoom == AltosLib.MISSING)
- fail(400, "Missing zoom");
-
- try {
- Socket socket = new Socket(InetAddress.getLoopbackAddress(), port);
-
- AltosJson request = new AltosJson();
-
- request.put("lat", lat);
- request.put("lon", lon);
- request.put("zoom", zoom);
- request.put("remote_addr", remote_addr);
-
- Writer writer = new PrintWriter(socket.getOutputStream());
- request.write(writer);
- writer.flush();
+ if (version != null) {
+ System.out.printf("Content-Type: text/plain\n");
+ System.out.printf("\n");
+ System.out.printf("%s\n", protocol_version);
+ } else {
+ if (lon == AltosLib.MISSING)
+ fail(400, "Missing longitude");
+ if (lat == AltosLib.MISSING)
+ fail(400, "Missing latitude");
+ if (zoom == AltosLib.MISSING)
+ fail(400, "Missing zoom");
- AltosJson reply = AltosJson.fromInputStream(socket.getInputStream());
-
- int status = reply.get_int("status", 400);
-
- if (status != 200)
- fail(status, "Bad cache status");
-
- String filename = reply.get_string("filename", null);
try {
- File file = new File(filename);
- long length = file.length();
- FileInputStream in = new FileInputStream(file);
- String content_type = reply.get_string("content_type", null);
- System.out.printf("Content-Type: %s\n", content_type);
- System.out.printf("Content-Length: %d\n", file.length());
- byte[] buf = new byte[4096];
- int bytes_read;
- while ((bytes_read = in.read(buf)) > 0)
- System.out.write(buf);
- } catch (IOException ie) {
- fail(404, String.format("IO Exception: %s", ie.toString()));
+ Socket socket = null;
+ int tries = 0;
+
+ while (tries < 10 && socket == null) {
+ try {
+ socket = new Socket(InetAddress.getLoopbackAddress(), port);
+ } catch (IOException ie) {
+ Thread.sleep(100);
+ tries++;
+ }
+ }
+
+ AltosJson request = new AltosJson();
+
+ request.put("lat", lat);
+ request.put("lon", lon);
+ request.put("zoom", zoom);
+ request.put("remote_addr", remote_addr);
+
+ Writer writer = new PrintWriter(socket.getOutputStream());
+ request.write(writer);
+ writer.flush();
+
+ AltosJson reply = AltosJson.fromInputStream(socket.getInputStream());
+
+ int status = reply.get_int("status", 400);
+
+ if (status != 200)
+ fail(status, "Bad cache status");
+
+ String filename = reply.get_string("filename", null);
+ try {
+ File file = new File(filename);
+ long length = file.length();
+ FileInputStream in = new FileInputStream(file);
+ String content_type = reply.get_string("content_type", null);
+ System.out.printf("Content-Type: %s\n", content_type);
+ System.out.printf("Content-Length: %d\n", file.length());
+ System.out.printf("\n");
+ byte[] buf = new byte[4096];
+ int bytes_read;
+ while ((bytes_read = in.read(buf)) > 0)
+ System.out.write(buf);
+ } catch (IOException ie) {
+ fail(404, String.format("IO Exception: %s", ie.toString()));
+ }
+ } catch (Exception e) {
+ fail(404, String.format("Exception %s", e.toString()));
}
- } catch (Exception e) {
- fail(404, String.format("Exception %s", e.toString()));
}
}