altoslib: Support binary reading/writing in AltosLink
[fw/altos] / altosui / AltosSerial.java
index b19143e58b7080070457d606a93e8798deaf9a71..b85a7fa1d4bf3e19984290d9cab4a0180a40006f 100644 (file)
 
 package altosui;
 
-import java.lang.*;
 import java.io.*;
-import java.util.concurrent.*;
 import java.util.*;
+import java.awt.*;
+import javax.swing.*;
+import org.altusmetrum.altoslib_2.*;
+import org.altusmetrum.altosuilib_1.*;
 
 import libaltosJNI.*;
 
@@ -34,131 +36,112 @@ import libaltosJNI.*;
  * threads.
  */
 
-public class AltosSerial implements Runnable {
+public class AltosSerial extends AltosLink  {
 
-       static List<String> devices_opened = Collections.synchronizedList(new LinkedList<String>());
+       static java.util.List<String> devices_opened = Collections.synchronizedList(new LinkedList<String>());
 
        AltosDevice device;
        SWIGTYPE_p_altos_file altos;
-       LinkedList<LinkedBlockingQueue<AltosLine>> monitors;
-       LinkedBlockingQueue<AltosLine> reply_queue;
        Thread input_thread;
        String line;
        byte[] line_bytes;
        int line_count;
-       boolean monitor_mode;
-
-       public void run () {
-               int c;
-
-               try {
-                       for (;;) {
-                               c = libaltos.altos_getchar(altos, 0);
-                               if (Thread.interrupted())
-                                       break;
-                               if (c == libaltosConstants.LIBALTOS_ERROR) {
-                                       for (int e = 0; e < monitors.size(); e++) {
-                                               LinkedBlockingQueue<AltosLine> q = monitors.get(e);
-                                               q.put(new AltosLine());
-                                       }
-                                       reply_queue.put (new AltosLine());
-                                       break;
-                               }
-                               if (c == libaltosConstants.LIBALTOS_TIMEOUT)
-                                       continue;
-                               if (c == '\r')
-                                       continue;
-                               synchronized(this) {
-                                       if (c == '\n') {
-                                               if (line_count != 0) {
-                                                       try {
-                                                               line = new String(line_bytes, 0, line_count, "UTF-8");
-                                                       } catch (UnsupportedEncodingException ue) {
-                                                               line = "";
-                                                               for (int i = 0; i < line_count; i++)
-                                                                       line = line + line_bytes[i];
-                                                       }
-                                                       if (line.startsWith("VERSION") || line.startsWith("CRC")) {
-                                                               for (int e = 0; e < monitors.size(); e++) {
-                                                                       LinkedBlockingQueue<AltosLine> q = monitors.get(e);
-                                                                       q.put(new AltosLine (line));
-                                                               }
-                                                       } else {
-//                                                             System.out.printf("GOT: %s\n", line);
-                                                               reply_queue.put(new AltosLine (line));
-                                                       }
-                                                       line_count = 0;
-                                                       line = "";
-                                               }
-                                       } else {
-                                               if (line_bytes == null) {
-                                                       line_bytes = new byte[256];
-                                               } else if (line_count == line_bytes.length) {
-                                                       byte[] new_line_bytes = new byte[line_count * 2];
-                                                       System.arraycopy(line_bytes, 0, new_line_bytes, 0, line_count);
-                                                       line_bytes = new_line_bytes;
-                                               }
-                                               line_bytes[line_count] = (byte) c;
-                                               line_count++;
-                                       }
-                               }
-                       }
-               } catch (InterruptedException e) {
-               }
+       Frame frame;
+
+       public int getchar() {
+               if (altos == null)
+                       return ERROR;
+               return libaltos.altos_getchar(altos, 0);
        }
 
        public void flush_output() {
-               if (altos != null)
-                       libaltos.altos_flush(altos);
+               super.flush_output();
+               if (altos != null) {
+                       if (libaltos.altos_flush(altos) != 0)
+                               close_serial();
+               }
        }
 
-       public void flush_input() {
-               flush_output();
-               boolean got_some;
-               do {
-                       try {
-                               Thread.sleep(100);
-                       } catch (InterruptedException ie) {
-                       }
-                       got_some = !reply_queue.isEmpty();
-                       synchronized(this) {
-                               if (!"VERSION".startsWith(line) &&
-                                   !line.startsWith("VERSION"))
-                                       line = "";
-                               reply_queue.clear();
-                       }
-               } while (got_some);
+       JDialog         timeout_dialog;
+
+       private void start_timeout_dialog_internal() {
+
+               Object[] options = { "Cancel" };
+
+               JOptionPane     pane = new JOptionPane();
+               pane.setMessage(String.format("Connecting to %s, %7.3f MHz as %s", device.toShortString(), frequency, callsign));
+               pane.setOptions(options);
+               pane.setInitialValue(null);
+
+               timeout_dialog = pane.createDialog(frame, "Connecting...");
+
+               timeout_dialog.setVisible(true);
+
+               Object o = pane.getValue();
+               if (o == null)
+                       return;
+               if (options[0].equals(o))
+                       reply_abort = true;
+               timeout_dialog.dispose();
+               timeout_dialog = null;
        }
 
-       public String get_reply() throws InterruptedException {
-               flush_output();
-               AltosLine line = reply_queue.take();
-               return line.line;
+       /*
+        * These are required by the AltosLink implementation
+        */
+
+       public boolean can_cancel_reply() {
+               /*
+                * Can cancel any replies not called from the dispatch thread
+                */
+               return !SwingUtilities.isEventDispatchThread();
        }
 
-       public String get_reply(int timeout) throws InterruptedException {
-               flush_output();
-               AltosLine line = reply_queue.poll(timeout, TimeUnit.MILLISECONDS);
-               if (line == null)
-                       return null;
-               return line.line;
+       public boolean show_reply_timeout() {
+               if (!SwingUtilities.isEventDispatchThread() && frame != null) {
+                       Runnable r = new Runnable() {
+                                       public void run() {
+                                               start_timeout_dialog_internal();
+                                       }
+                               };
+                       SwingUtilities.invokeLater(r);
+                       return true;
+               }
+               return false;
        }
 
-       public void add_monitor(LinkedBlockingQueue<AltosLine> q) {
-               set_monitor(true);
-               monitors.add(q);
+       public void hide_reply_timeout() {
+               Runnable r = new Runnable() {
+                               public void run() {
+                                       timeout_dialog.setVisible(false);
+                               }
+                       };
+               SwingUtilities.invokeLater(r);
        }
 
-       public void remove_monitor(LinkedBlockingQueue<AltosLine> q) {
-               monitors.remove(q);
-               if (monitors.isEmpty())
-                       set_monitor(false);
+       private void close_serial() {
+               synchronized (devices_opened) {
+                       devices_opened.remove(device.getPath());
+               }
+               if (altos != null) {
+                       libaltos.altos_free(altos);
+                       altos = null;
+               }
+               abort_reply();
        }
 
        public void close() {
-               if (altos != null) {
-                       libaltos.altos_close(altos);
+               if (remote) {
+                       try {
+                               stop_remote();
+                       } catch (InterruptedException ie) {
+                       }
                }
+               if (in_reply != 0)
+                       System.out.printf("Uh-oh. Closing active serial device\n");
+
+               close_serial();
+
                if (input_thread != null) {
                        try {
                                input_thread.interrupt();
@@ -167,41 +150,47 @@ public class AltosSerial implements Runnable {
                        }
                        input_thread = null;
                }
-               if (altos != null) {
-                       libaltos.altos_free(altos);
-                       altos = null;
-               }
-               synchronized (devices_opened) {
-                       devices_opened.remove(device.getPath());
-               }
+               if (debug)
+                       System.out.printf("Closing %s\n", device.getPath());
        }
 
-       public void putc(char c) {
+       private void putc(char c) {
                if (altos != null)
-                       libaltos.altos_putchar(altos, c);
+                       if (libaltos.altos_putchar(altos, c) != 0) {
+                               close_serial();
+                       }
+       }
+
+       public void putchar(byte c) {
+               if (altos != null) {
+                       if (debug)
+                               System.out.printf(" %02x", (int) c & 0xff);
+                       if (libaltos.altos_putchar(altos, (char) c) != 0) {
+                               close_serial();
+                       }
+               }
        }
 
        public void print(String data) {
-//             System.out.printf("\"%s\" ", data);
                for (int i = 0; i < data.length(); i++)
                        putc(data.charAt(i));
        }
 
-       public void printf(String format, Object ... arguments) {
-               print(String.format(format, arguments));
-       }
-
        private void open() throws FileNotFoundException, AltosSerialInUseException {
                synchronized (devices_opened) {
                        if (devices_opened.contains(device.getPath()))
                                throw new AltosSerialInUseException(device);
                        devices_opened.add(device.getPath());
                }
-               altos = libaltos.altos_open(device);
+               altos = device.open();
                if (altos == null) {
+                       final String    message = device.getErrorString();
                        close();
-                       throw new FileNotFoundException(device.toShortString());
+                       throw new FileNotFoundException(String.format("%s (%s)",
+                                                                     device.toShortString(), message));
                }
+               if (debug)
+                       System.out.printf("Open %s\n", device.getPath());
                input_thread = new Thread(this);
                input_thread.start();
                print("~\nE 0\n");
@@ -209,45 +198,15 @@ public class AltosSerial implements Runnable {
                flush_output();
        }
 
-       public void set_radio() {
-               set_channel(AltosPreferences.channel(device.getSerial()));
-               set_callsign(AltosPreferences.callsign());
-       }
-
-       public void set_channel(int channel) {
-               if (altos != null) {
-                       if (monitor_mode)
-                               printf("m 0\nc r %d\nm 1\n", channel);
-                       else
-                               printf("c r %d\n", channel);
-                       flush_output();
-               }
-       }
-
-       void set_monitor(boolean monitor) {
-               monitor_mode = monitor;
-               if (altos != null) {
-                       if (monitor)
-                               printf("m 1\n");
-                       else
-                               printf("m 0\n");
-                       flush_output();
-               }
-       }
-
-       public void set_callsign(String callsign) {
-               if (altos != null) {
-                       printf ("c c %s\n", callsign);
-                       flush_output();
-               }
+       public void set_frame(Frame in_frame) {
+               frame = in_frame;
        }
 
        public AltosSerial(AltosDevice in_device) throws FileNotFoundException, AltosSerialInUseException {
                device = in_device;
-               line = "";
-               monitor_mode = false;
-               monitors = new LinkedList<LinkedBlockingQueue<AltosLine>> ();
-               reply_queue = new LinkedBlockingQueue<AltosLine> ();
+               frame = null;
+               serial = device.getSerial();
+               name = device.toShortString();
                open();
        }
 }