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_3;
  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         link_started;
  28         boolean         have_npyro = false;
  29         int             npyro;
  30
  31         public final static String      None = null;
  32         public final static String      Apogee = "drogue";
  33         public final static String      Main = "main";
  34
  35         public final static int Unknown = 0;
  36         public final static int Ready = 1;
  37         public final static int Active = 2;
  38         public final static int Open = 3;
  39
  40         private void start_link() throws InterruptedException, TimeoutException {
  41                 link_started = true;
  42                 if (remote)
  43                         link.start_remote();
  44         }
  45
  46         private void stop_link() throws InterruptedException {
  47                 if (!link_started)
  48                         return;
  49                 link_started = false;
  50                 if (link == null)
  51                         return;
  52                 if (remote)
  53                         link.stop_remote();
  54         }
  55
  56         class string_ref {
  57                 String  value;
  58
  59                 public String get() {
  60                         return value;
  61                 }
  62                 public void set(String i) {
  63                         value = i;
  64                 }
  65                 public string_ref() {
  66                         value = null;
  67                 }
  68         }
  69
  70         /*
  71         private boolean get_string(String line, String label, string_ref s) {
  72                 if (line.startsWith(label)) {
  73                         String  quoted = line.substring(label.length()).trim();
  74
  75                         if (quoted.startsWith("\""))
  76                                 quoted = quoted.substring(1);
  77                         if (quoted.endsWith("\""))
  78                                 quoted = quoted.substring(0,quoted.length()-1);
  79                         s.set(quoted);
  80                         return true;
  81                 } else {
  82                         return false;
  83                 }
  84         }
  85         */
  86
  87         private int map_status(String status_name) {
  88                 if (status_name.equals("unknown"))
  89                         return Unknown;
  90                 if (status_name.equals("ready"))
  91                         return Ready;
  92                 if (status_name.equals("active"))
  93                         return Active;
  94                 if (status_name.equals("open"))
  95                         return Open;
  96                 return Unknown;
  97         }
  98
  99         private void get_npyro() throws InterruptedException, TimeoutException {
 100                 AltosConfigData config_data = link.config_data();
 101                 npyro = config_data.npyro;
 102                 have_npyro = true;
 103         }
 104
 105         public int npyro() throws InterruptedException, TimeoutException {
 106                 if (!have_npyro) {
 107                         start_link();
 108                         get_npyro();
 109                         stop_link();
 110                 }
 111                 return npyro;
 112         }
 113
 114         public HashMap<String,Integer> status() throws InterruptedException, TimeoutException {
 115                 HashMap<String,Integer> status = new HashMap<String,Integer>();
 116
 117                 if (link == null)
 118                         return status;
 119                 try {
 120                         start_link();
 121                         get_npyro();
 122
 123                         String last_igniter = Main;
 124                         if (npyro > 0)
 125                                 last_igniter = String.format("%d", npyro - 1);
 126
 127                         link.printf("t\n");
 128                         for (;;) {
 129                                 String line = link.get_reply(5000);
 130                                 if (line == null)
 131                                         throw new TimeoutException();
 132                                 String[] items = line.split("\\s+");
 133
 134                                 if (items.length < 4)
 135                                         continue;
 136
 137                                 if (!items[0].equals("Igniter:"))
 138                                         continue;
 139
 140                                 if (!items[2].equals("Status:"))
 141                                         continue;
 142
 143                                 status.put(items[1], map_status(items[3]));
 144
 145                                 if (items[1].equals(last_igniter))
 146                                         break;
 147                         }
 148                 } finally {
 149                         stop_link();
 150                 }
 151                 return status;
 152         }
 153
 154         public static String status_string(int status) {
 155                 switch (status) {
 156                 case Unknown: return "Unknown";
 157                 case Ready: return "Ready";
 158                 case Active: return "Active";
 159                 case Open: return "Open";
 160                 default: return "Unknown";
 161                 }
 162         }
 163
 164         public void fire(String igniter) throws InterruptedException {
 165                 if (link == null)
 166                         return;
 167                 try {
 168                         start_link();
 169                         link.printf("i DoIt %s\n", igniter);
 170                 } catch (TimeoutException te) {
 171                 } finally {
 172                         stop_link();
 173                 }
 174         }
 175
 176         public void close() throws InterruptedException {
 177                 stop_link();
 178                 link.close();
 179                 link = null;
 180         }
 181
 182         public AltosIgnite(AltosLink in_link, boolean in_remote)
 183                 throws FileNotFoundException, TimeoutException, InterruptedException {
 184
 185                 link = in_link;
 186                 remote = in_remote;
 187         }
 188 }