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Put this project under version control, finally.
author John "Elwin" Edwards <elwin@sdf.org>
date Sun, 06 May 2012 08:45:40 -0700
parents
children 98bf7c94c954
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bd412f63ce0d Put this project under version control, finally.
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1 #!/usr/bin/env node
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2 var http = require('http');
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3 var url = require('url');
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4 var path = require('path');
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5 var fs = require('fs');
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6 //var tty = require("tty");
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7 var child_process = require("child_process");
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8
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9 var serveStaticRoot = "/home/elwin/hk/nodejs/rlg/s/";
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10 var sessions = {};
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11
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12 /* Constructor for TermSessions. Note that it opens the terminal and
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13 * adds itself to the sessions dict.
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14 */
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15 function TermSession(sessid) {
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16 //var pterm = tty.open("/bin/bash");
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17 this.child = child_process.spawn("./ptywreck/ptyhelperC", ["bash"]);
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18 var ss = this;
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19 /* Eventually we'll need to make sure the sessid isn't in use yet. */
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20 this.sessid = sessid;
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21 //this.ptmx = pterm[0];
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22 //this.child = pterm[1];
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23 this.alive = true;
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24 this.data = [];
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25 this.child.stdout.on("data", function (buf) {
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26 ss.data.push(buf);
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27 });
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28 this.child.stderr.on("data", function (buf) {
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29 ss.data.push(buf);
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30 });
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31 this.child.on("exit", function (code, signal) {
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32 ss.exitcode = (code != null ? code : 255);
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33 ss.alive = false;
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34 /* Wait for all the data to get collected */
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35 setTimeout(ss.cleanup, 1000);
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36 });
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37 this.write = function (data) {
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38 if (this.alive)
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39 this.child.stdin.write(data);
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40 /* Otherwise, throw some kind of exception? */
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41 };
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42 this.read = function () {
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43 if (this.data.length == 0)
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44 return null;
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45 var pos = 0;
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46 var i = 0;
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47 for (i = 0; i < this.data.length; i++)
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48 pos += this.data[i].length;
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49 var nbuf = new Buffer(pos);
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50 var tptr;
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51 pos = 0;
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52 while (this.data.length > 0) {
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53 tptr = this.data.shift();
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54 tptr.copy(nbuf, pos);
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55 pos += tptr.length;
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56 }
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57 return nbuf;
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58 };
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59 this.close = function () {
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60 if (this.alive)
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61 this.child.kill('SIGHUP');
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62 };
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63 this.cleanup = function () {
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64 /* Call this when the child is dead. */
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65 if (this.alive)
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66 return;
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67 //ss.ptmx.destroy();
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68 /* Give the client a chance to read any leftover data. */
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69 if (ss.data.length > 0)
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70 setTimeout(ss.remove, 8000);
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71 else
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72 ss.remove();
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73 };
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74 this.remove = function () {
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75 delete sessions[ss.sessid];
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76 console.log("Session " + this.sessid + " removed.");
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77 };
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78 sessions[sessid] = this;
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79 }
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80
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81 function randkey() {
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82 rnum = Math.floor(Math.random() * 65536 * 65536);
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83 hexstr = rnum.toString(16);
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84 while (hexstr.length < 8)
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85 hexstr = "0" + hexstr;
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86 return hexstr;
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