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; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.altoslib_14;
  20
  21 import java.util.*;
  22 import java.io.*;
  23 import java.util.concurrent.*;
  24
  25 public class AltosIgnite {
  26         AltosLink       link;
  27         boolean         remote;
  28         boolean         close_on_exit;
  29         boolean         link_started;
  30         boolean         has_pyro_info = false;
  31         boolean         has_standard = false;
  32         int             npyro;
  33         AltosConfigData config_data;
  34
  35         public final static String      None = null;
  36         public final static String      Apogee = "drogue";
  37         public final static String      Main = "main";
  38
  39         public final static int Unknown = 0;
  40         public final static int Ready = 1;
  41         public final static int Active = 2;
  42         public final static int Open = 3;
  43
  44         private void start_link() throws InterruptedException, TimeoutException {
  45                 link_started = true;
  46                 if (remote)
  47                         link.start_remote();
  48         }
  49
  50         private void stop_link() throws InterruptedException {
  51                 if (!link_started)
  52                         return;
  53                 link_started = false;
  54                 if (link == null)
  55                         return;
  56                 if (remote)
  57                         link.stop_remote();
  58         }
  59
  60         class string_ref {
  61                 String  value;
  62
  63                 public String get() {
  64                         return value;
  65                 }
  66                 public void set(String i) {
  67                         value = i;
  68                 }
  69                 public string_ref() {
  70                         value = null;
  71                 }
  72         }
  73
  74         /*
  75         private boolean get_string(String line, String label, string_ref s) {
  76                 if (line.startsWith(label)) {
  77                         String  quoted = line.substring(label.length()).trim();
  78
  79                         if (quoted.startsWith("\""))
  80                                 quoted = quoted.substring(1);
  81                         if (quoted.endsWith("\""))
  82                                 quoted = quoted.substring(0,quoted.length()-1);
  83                         s.set(quoted);
  84                         return true;
  85                 } else {
  86                         return false;
  87                 }
  88         }
  89         */
  90
  91         private int map_status(String status_name) {
  92                 if (status_name.equals("unknown"))
  93                         return Unknown;
  94                 if (status_name.equals("ready"))
  95                         return Ready;
  96                 if (status_name.equals("active"))
  97                         return Active;
  98                 if (status_name.equals("open"))
  99                         return Open;
 100                 return Unknown;
 101         }
 102
 103         private void get_npyro() throws InterruptedException, TimeoutException {
 104                 if (config_data == null)
 105                         config_data = new AltosConfigData(link);
 106                 if (config_data != null && config_data.npyro != AltosLib.MISSING)
 107                         npyro = config_data.npyro;
 108                 else
 109                         npyro = 0;
 110                 if (config_data != null)
 111                         has_standard = config_data.ignite_mode != AltosLib.MISSING;
 112
 113                 has_pyro_info = true;
 114         }
 115
 116         public int npyro() throws InterruptedException, TimeoutException {
 117                 if (!has_pyro_info) {
 118                         start_link();
 119                         get_npyro();
 120                         stop_link();
 121                 }
 122                 return npyro;
 123         }
 124
 125         public boolean has_standard() throws InterruptedException, TimeoutException {
 126                 if (!has_pyro_info) {
 127                         start_link();
 128                         get_npyro();
 129                         stop_link();
 130                 }
 131                 return has_standard;
 132         }
 133
 134         public HashMap<String,Integer> status() throws InterruptedException, TimeoutException {
 135                 HashMap<String,Integer> status = new HashMap<String,Integer>();
 136
 137                 if (link == null)
 138                         return status;
 139                 try {
 140                         start_link();
 141                         get_npyro();
 142
 143                         String last_igniter = Main;
 144                         if (npyro > 0)
 145                                 last_igniter = String.format("%d", npyro - 1);
 146
 147                         link.printf("t\n");
 148                         for (;;) {
 149                                 String line = link.get_reply(5000);
 150                                 if (line == null)
 151                                         throw new TimeoutException();
 152                                 String[] items = line.split("\\s+");
 153
 154                                 if (items.length < 4)
 155                                         continue;
 156
 157                                 if (!items[0].equals("Igniter:"))
 158                                         continue;
 159
 160                                 if (!items[2].equals("Status:"))
 161                                         continue;
 162
 163                                 status.put(items[1], map_status(items[3]));
 164
 165                                 if (items[1].equals(last_igniter))
 166                                         break;
 167                         }
 168                 } finally {
 169                         stop_link();
 170                 }
 171                 return status;
 172         }
 173
 174         public static String status_string(int status) {
 175                 switch (status) {
 176                 case Unknown: return "Unknown";
 177                 case Ready: return "Ready";
 178                 case Active: return "Active";
 179                 case Open: return "Open";
 180                 default: return "Unknown";
 181                 }
 182         }
 183
 184         public void fire(String igniter) throws InterruptedException {
 185                 if (link == null)
 186                         return;
 187                 try {
 188                         start_link();
 189                         link.printf("i DoIt %s\n", igniter);
 190                         link.flush_output();
 191                 } catch (TimeoutException te) {
 192                 } finally {
 193                         stop_link();
 194                 }
 195         }
 196
 197         public void close() throws InterruptedException {
 198                 stop_link();
 199                 if (close_on_exit)
 200                         link.close();
 201                 link = null;
 202         }
 203
 204         public AltosIgnite(AltosLink in_link, boolean in_remote, boolean in_close_on_exit) {
 205                 link = in_link;
 206                 remote = in_remote;
 207                 close_on_exit = in_close_on_exit;
 208         }
 209
 210         public AltosIgnite(AltosLink in_link, boolean in_remote) {
 211                 this(in_link, in_remote, true);
 212         }
 213 }