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annotate rlgterm.js @ 58:7a50b4412fea

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Move credentials into the drivers. The session id, or whether the session is currently active on the server, are better handled in the drivers than in termemu.js.
author John "Elwin" Edwards <elwin@sdf.org>
date Tue, 19 Jun 2012 13:40:30 -0700
parents e7c864e80a79
children 00b985b8ba6a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* rlgterm.js: Roguelike Gallery's driver for termemu.js */
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2
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3 // A state machine that keeps track of polling the server.
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4 var ajaxstate = {
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5 state: 0,
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6 timerID: null,
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7 clear: function () {
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8 if (this.timerID != null) {
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9 window.clearTimeout(this.timerID);
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10 this.timerID = null;
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11 }
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12 },
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13 set: function (ms) {
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14 this.clear();
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15 this.timerID = window.setTimeout(getData, ms);
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16 },
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17 gotdata: function () {
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18 this.set(1000);
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19 this.state = 1;
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20 },
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21 gotnothing: function () {
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22 if (this.state == 0) {
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23 this.set(1000);
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24 this.state = 1;
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25 }
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26 else if (this.state < 4) {
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27 this.set(4000);
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28 this.state++;
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29 }
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30 else if (this.state < 8) {
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31 this.set(15000);
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32 this.state++;
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33 }
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34 else {
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35 /* It's been over a minute. Stop polling. */
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36 this.clear();
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37 }
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38 },
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39 posted: function (wasdata) {
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40 if (wasdata) {
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41 this.set(1000);
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42 this.state = 1;
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43 }
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44 else {
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45 this.set(200);
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46 this.state = 0;
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47 }
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48 }
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49 };
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50
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51 /* Data on the available games. */
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52 var games = {
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53 "rogue3": {
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54 "name": "Rogue V3",
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55 "uname": "rogue3"
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56 },
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57 "rogue4": {
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58 "name": "Rogue V4",
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59 "uname": "rogue4"
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60 },
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61 "rogue5": {
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62 "name": "Rogue V5",
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63 "uname": "rogue5"
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64 },
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65 "srogue": {
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66 "name": "Super-Rogue",
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67 "uname": "srogue"
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68 }
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69 };
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70
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71 /* Login name and key */
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72 var lname = null;
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73 var lcred = null;
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74 /* The session id assigned by the server. */
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75 var sessid = null;
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76
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77 function writeData(hexstr) {
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78 var codenum;
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79 var codes = [];
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80 var nc;
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81 var u8wait = 0; /* Stores bits from previous bytes of multibyte sequences. */
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82 var expect = 0; /* The number of 10------ bytes expected. */
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