git.gag.com Git - fw/altos/blob - altoslib/AltosIgnite.java

   1 /*
   2  * Copyright © 2010 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.altoslib_11;
  19
  20 import java.util.*;
  21 import java.io.*;
  22 import java.util.concurrent.*;
  23
  24 public class AltosIgnite {
  25         AltosLink       link;
  26         boolean         remote;
  27         boolean         close_on_exit;
  28         boolean         link_started;
  29         boolean         have_npyro = false;
  30         int             npyro;
  31         AltosConfigData config_data;
  32
  33         public final static String      None = null;
  34         public final static String      Apogee = "drogue";
  35         public final static String      Main = "main";
  36
  37         public final static int Unknown = 0;
  38         public final static int Ready = 1;
  39         public final static int Active = 2;
  40         public final static int Open = 3;
  41
  42         private void start_link() throws InterruptedException, TimeoutException {
  43                 link_started = true;
  44                 if (remote)
  45                         link.start_remote();
  46         }
  47
  48         private void stop_link() throws InterruptedException {
  49                 if (!link_started)
  50                         return;
  51                 link_started = false;
  52                 if (link == null)
  53                         return;
  54                 if (remote)
  55                         link.stop_remote();
  56         }
  57
  58         class string_ref {
  59                 String  value;
  60
  61                 public String get() {
  62                         return value;
  63                 }
  64                 public void set(String i) {
  65                         value = i;
  66                 }
  67                 public string_ref() {
  68                         value = null;
  69                 }
  70         }
  71
  72         /*
  73         private boolean get_string(String line, String label, string_ref s) {
  74                 if (line.startsWith(label)) {
  75                         String  quoted = line.substring(label.length()).trim();
  76
  77                         if (quoted.startsWith("\""))
  78                                 quoted = quoted.substring(1);
  79                         if (quoted.endsWith("\""))
  80                                 quoted = quoted.substring(0,quoted.length()-1);
  81                         s.set(quoted);
  82                         return true;
  83                 } else {
  84                         return false;
  85                 }
  86         }
  87         */
  88
  89         private int map_status(String status_name) {
  90                 if (status_name.equals("unknown"))
  91                         return Unknown;
  92                 if (status_name.equals("ready"))
  93                         return Ready;
  94                 if (status_name.equals("active"))
  95                         return Active;
  96                 if (status_name.equals("open"))
  97                         return Open;
  98                 return Unknown;
  99         }
 100
 101         private void get_npyro() throws InterruptedException, TimeoutException {
 102                 if (config_data == null)
 103                         config_data = new AltosConfigData(link);
 104                 if (config_data != null)
 105                         npyro = config_data.npyro;
 106                 else
 107                         npyro = 0;
 108                 have_npyro = true;
 109         }
 110
 111         public int npyro() throws InterruptedException, TimeoutException {
 112                 if (!have_npyro) {
 113                         start_link();
 114                         get_npyro();
 115                         stop_link();
 116                 }
 117                 return npyro;
 118         }
 119
 120         public HashMap<String,Integer> status() throws InterruptedException, TimeoutException {
 121                 HashMap<String,Integer> status = new HashMap<String,Integer>();
 122
 123                 if (link == null)
 124                         return status;
 125                 try {
 126                         start_link();
 127                         get_npyro();
 128
 129                         String last_igniter = Main;
 130                         if (npyro > 0)
 131                                 last_igniter = String.format("%d", npyro - 1);
 132
 133                         link.printf("t\n");
 134                         for (;;) {
 135                                 String line = link.get_reply(5000);
 136                                 if (line == null)
 137                                         throw new TimeoutException();
 138                                 String[] items = line.split("\\s+");
 139
 140                                 if (items.length < 4)
 141                                         continue;
 142
 143                                 if (!items[0].equals("Igniter:"))
 144                                         continue;
 145
 146                                 if (!items[2].equals("Status:"))
 147                                         continue;
 148
 149                                 status.put(items[1], map_status(items[3]));
 150
 151                                 if (items[1].equals(last_igniter))
 152                                         break;
 153                         }
 154                 } finally {
 155                         stop_link();
 156                 }
 157                 return status;
 158         }
 159
 160         public static String status_string(int status) {
 161                 switch (status) {
 162                 case Unknown: return "Unknown";
 163                 case Ready: return "Ready";
 164                 case Active: return "Active";
 165                 case Open: return "Open";
 166                 default: return "Unknown";
 167                 }
 168         }
 169
 170         public void fire(String igniter) throws InterruptedException {
 171                 if (link == null)
 172                         return;
 173                 try {
 174                         start_link();
 175                         link.printf("i DoIt %s\n", igniter);
 176                 } catch (TimeoutException te) {
 177                 } finally {
 178                         stop_link();
 179                 }
 180         }
 181
 182         public void close() throws InterruptedException {
 183                 stop_link();
 184                 if (close_on_exit)
 185                         link.close();
 186                 link = null;
 187         }
 188
 189         public AltosIgnite(AltosLink in_link, boolean in_remote, boolean in_close_on_exit) {
 190                 link = in_link;
 191                 remote = in_remote;
 192                 close_on_exit = in_close_on_exit;
 193         }
 194
 195         public AltosIgnite(AltosLink in_link, boolean in_remote) {
 196                 this(in_link, in_remote, true);
 197         }
 198 }