/*
* brisk - xhr.js
*
- * Copyright (C) 2006 matteo.nastasi@milug.org
+ * Copyright (C) 2006-2011 Matteo Nastasi
+ * mailto: nastasi@alternativeoutput.it
+ * matteo.nastasi@milug.org
+ * web: http://www.alternativeoutput.it
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* not, write to the Free Software Foundation, Inc, 59 Temple Place -
* Suite 330, Boston, MA 02111-1307, USA.
*
- * $Id$
+ * TODO:
+ *
+ * MANDATORY
+ *
+ * NOT MANDATORY
+ * - gst management
+ * - sandbox management
+ * - myfrom into the constructor
+ * - target page into the constructor
+ * - type of streaming into the constructor
+ * - all iframe related streaming add
+ * - xhr_rd prefix remove from inner class attrs
+ * - substitute fixed "eval" with a generic command hunks processor
*
*/
-var xhr_rd_cookiepath = "/brisk/";
-var xhr_rd = false;
-var xhr_rd_stopped = true;
-var xhr_rd_oldctx = "";
-var xhr_rd_newctx = "";
-
-var xhr_rd_cur_n = -1;
-var xhr_rd_old_n = -1;
-var xhr_rd_checkedlen = 0;
-var the_end = false;
-var ct = 0;
-var watchdog = 0;
-
-function xhr_rd_cb(xhr_rd)
+function hbit(symb)
{
- var ret;
-
- if (xhr_rd.readyState == 4) {
- try {
- if ((ret = safestatus(xhr_rd)) == 200) {
- } else if (ret != -1) {
- alert('There was a problem with the request.' + ret);
- }
- } catch(b) {};
-
- xhr_rd_stopped = true;
+ if ($("heartbit").innerHTML.length >= 120) {
+ $("heartbit").innerHTML = $("heartbit").innerHTML.substring(10);
+ $("heartbit").innerHTML += symb;
+ }
+ else {
+ $("heartbit").innerHTML += symb;
}
-};
+ // $("heartbit").innerHTML = $("heartbit").innerHTML.substring(20,20); // DA METTERE APPOSTO!!!!
+ // console.log($("heartbit").innerHTML);
+
+}
-function xhr_rd_start(sess,stat,subst,step)
+function http_streaming()
{
- if (the_end)
- return;
- createCookie("sess", sess, 24*365, xhr_rd_cookiepath);
+ this.xhr_rd = createXMLHttpRequest();
+}
- // NOTE: *ctx = "" to prevent konqueror stream commands duplication.
- xhr_rd_oldctx = "";
- xhr_rd_newctx = "";
+http_streaming.prototype = {
+ xhr_rd_cookiepath: "/brisk/",
- /* NOTE document.uniqueID exists only under IE */
- // alert("di qui3");
- xhr_rd.open('GET', 'index_rd.php?sess='+sess+"&stat="+stat+"&subst="+subst+"&step="+step+"&onlyone="+(document.uniqueID ? "TRUE" : "FALSE")+"&myfrom="+myfrom, true);
- // try {
- xhr_rd.onreadystatechange = function() { xhr_rd_cb(xhr_rd); }
- xhr_rd.send(null);
- xhr_rd_cur_n++;
- xhr_rd_stopped = false;
- // } catch (e) {}
-};
+ xhr_rd: null,
+ xhr_rd_watchdog: null,
+ xhr_rd_delay: 0,
+ xhr_rd_delayed: null,
+ xhr_rd_stopped: true,
+ the_end: false,
+ xhr_rd_oldctx: "",
+ xhr_rd_newctx: "",
+ xhr_rd_cur_n: -1,
+ xhr_rd_old_n: -1,
+ xhr_rd_checkedlen: 0,
+ watchdog: 0,
+ ct: 0,
-function xhr_rd_poll(sess)
-{
- var tout = 100;
- var again;
- var xhrrestart;
- ct++;
+ hbit: function () {
+ },
- /*
- if (watchdog >= 50) {
- watchdog = 0;
- // alert("ABORT XHR_RD");
- xhr_rd_stopped = true;
- xhr_rd.abort();
- }
- */
- var zug = "XHR_RD_POLL sess = "+sess+" stat = "+stat+" subst = "+subst+" step = "+gst.st+" step_loc = "+gst.st_loc+" step_loc_new = "+gst.st_loc_new+" STOP: "+xhr_rd_stopped;
+ hbit_set: function (hbit) {
+ this.hbit = hbit;
+ },
- if (zug != $("sandbox").innerHTML)
- $("sandbox").innerHTML = zug;
+ xhr_rd_cb: function () {
+ var ret;
+
+ if (this.xhr_rd.readyState == 4) {
+ if (this.xhr_rd_watchdog != null) {
+ this.hbit('C');
+ clearTimeout(this.xhr_rd_watchdog);
+ this.xhr_rd_watchdog = null;
+ }
+
+ // console.log("SS: "+safestatus(xhr_rd));
+
+ try {
+ if ((ret = safestatus(this.xhr_rd)) == 200) {
+ this.xhr_rd_delay = 0;
+ // console.log("del a null "+this.xhr_rd_delayed);
+ } else if (ret != -1) {
+ this.xhr_rd_delay = 5000;
+ this.hbit('X');
+ // alert('There was a problem with the request.' + ret);
+ }
+ } catch(b) {};
+
+ this.xhr_rd_delayed = null;
+ this.xhr_rd_stopped = true;
+ }
+ },
- /* heartbit log */
- $("heartbit").innerHTML += "_";
- if ($("heartbit").innerHTML.length == 20)
- $("heartbit").innerHTML = "_";
-
- do {
- again = 0;
- xhrrestart = 0;
- if (gst.st_loc < gst.st_loc_new) {
- // there is some slow actions running
- break;
- }
- else if (gst.comms.length > 0) {
- var singlecomm;
+ xhr_rd_abort: function()
+ {
+ this.hbit('A');
+ if (this.xhr_rd != null)
+ this.xhr_rd.abort();
+ // alert("de che");
+ },
- singlecomm = gst.comms.shift();
- // alert("EXE"+gugu);
- // $("xhrdeltalog").innerHTML = "EVALL: "+singlecomm.replace("<", "<", "g"); +"<br>";
- eval(singlecomm);
- again = 1;
- }
- else {
- xhrrestart = 1;
- try {
- if (xhr_rd == null)
- throw "restart";
- if (xhr_rd.responseText != null)
- xhr_rd_newctx = xhr_rd.responseText;
- }
- catch (e) {
- if (xhr_rd_stopped == true) {
- xhr_rd_stopped = false;
- // XX $("xhrstart").innerHTML += "XHRSTART: da catch<br>";
- xhr_rd_start(sess, stat, subst, gst.st);
- }
-
-
- // $("sandbox").innerHTML += "return 1<br>";
- if (the_end != true) {
- watchdog = 0;
- setTimeout(xhr_rd_poll, tout, sess);
-
- $("heartbit").innerHTML += "-";
- if ($("heartbit").innerHTML.length == 20)
- $("heartbit").innerHTML = "-";
-
- }
- return;
- }
-
+ xhr_rd_start: function(sess, stat, subst, step)
+ {
+ if (this.the_end) {
+ //x alert("the_end1");
+ if (this.xhr_rd_watchdog != null) {
+ this.hbit('C');
+ clearTimeout(this.xhr_rd_watchdog);
+ this.xhr_rd_watchdog = null;
+ }
+ return;
+ }
+ createCookie("sess", sess, 24*365, this.xhr_rd_cookiepath);
+
+ // NOTE: *ctx = "" to prevent konqueror stream commands duplication.
+ this.xhr_rd_oldctx = "";
+ this.xhr_rd_newctx = "";
+
+ /* NOTE document.uniqueID exists only under IE */
+ // if (g_is_spawn == 1)
+ // alert("di qui3: "+(g_is_spawn == 1 ? "&table_idx="+g_table_idx : ""));
+ this.xhr_rd.open('GET', 'index_rd.php?sess='+sess+"&stat="+stat+"&subst="+subst+"&step="+step+"&onlyone="+(document.uniqueID ? "TRUE" : "FALSE")+"&myfrom="+myfrom, true);
+ // try {
- // no new char from the last loop, break
- if (xhr_rd_old_n == xhr_rd_cur_n &&
- xhr_rd_newctx.length == xhr_rd_checkedlen) {
- watchdog++;
- break;
+ var self = this;
+ this.xhr_rd.onreadystatechange = function () { self.xhr_rd_cb(); };
+ this.xhr_rd.send(null);
+ //
+ // TODO: qui avvio del timer per riavviare xhr
+ //
+ this.xhr_rd_watchdog = setTimeout(function(obj){ obj.xhr_rd_abort(); }, 60000, this);
+ this.xhr_rd_cur_n++;
+ this.xhr_rd_stopped = false;
+ // } catch (e) {}
+ },
+
+ /* WORK HERE TO RUN WIN OR LIN STREAM */
+
+ xhr_rd_poll: function(sess)
+ {
+ var tout = 100;
+ var again;
+ var xhrrestart;
+
+ this.ct++;
+
+ /*
+ if (this.watchdog >= 50) {
+ this.watchdog = 0;
+ // alert("ABORT XHR_RD");
+ this.xhr_rd_stopped = true;
+ this.xhr_rd.abort();
+ }
+ */
+ var zug = "XHR_RD_POLL sess = "+sess+" stat = "+stat+" subst = "+subst+" step = "+gst.st+" step_loc = "+gst.st_loc+" step_loc_new = "+gst.st_loc_new+" STOP: "+this.xhr_rd_stopped;
+
+ if (zug != $("sandbox").innerHTML)
+ $("sandbox").innerHTML = zug;
+
+ /* heartbit log */
+ this.hbit("_");
+ do {
+ again = 0;
+ xhrrestart = 0;
+ if (gst.st_loc < gst.st_loc_new) {
+ // there is some slow actions running
+ break;
+ }
+ else if (gst.comms.length > 0) {
+ var singlecomm;
+
+ singlecomm = gst.comms.shift();
+ // alert("EXE"+gugu);
+ // $("xhrdeltalog").innerHTML = "EVALL: "+singlecomm.replace("<", "<", "g"); +"<br>";
+ this.hbit("+");
+
+ eval(singlecomm);
+ again = 1;
}
else {
- watchdog = 0;
- // $("sandbox").innerHTML += "BIG IF<br>";
- var comm_match;
- var comm_clean;
- var comm_len;
- var comm_newpart;
- var comm_arr;
- var i;
- var delta = 0;
- var match_lines = /^_*$/;
-
- // check for the same command group
- if (xhr_rd_old_n != xhr_rd_cur_n) {
- xhr_rd_old_n = xhr_rd_cur_n;
- xhr_rd_checkedlen = 0;
- xhr_rd_oldctx = "";
- }
- else
- delta = xhr_rd_oldctx.length;
-
- // $("xhrlog").innerHTML += "EVERY SEC<br>";
- for (i = delta ; i < xhr_rd_newctx.length ; i++) {
- if (xhr_rd_newctx[i] != '_')
- break;
- }
- if (i == xhr_rd_newctx.length) {
- xhr_rd_checkedlen = i;
- break;
- }
+ xhrrestart = 1;
+ try {
+ if (this.xhr_rd == null)
+ throw "restart";
+ if (this.xhr_rd.responseText != null)
+ this.xhr_rd_newctx = this.xhr_rd.responseText;
+ }
+ catch (e) {
+ if (this.xhr_rd_stopped == true) {
+ this.xhr_rd_stopped = false;
+ // XX $("xhrstart").innerHTML += "XHRSTART: da catch<br>";
+ if (this.xhr_rd_delay > 0) {
+ if (this.xhr_rd_delayed == null) {
+ // console.log("XXX DI QUI "+this.xhr_rd_delay);
- // $("xhrlog").innerHTML += "CHECK COM<br>";
- // extracts the new part of the command string
- comm_newpart = xhr_rd_newctx.substr(delta);
-
- // XX $("xhrlog").innerHTML = xhr_rd_newctx.replace("<", "<", "g");
-
- // $("response").innerHTML = comm_newpart;
- comm_match = /_*@BEGIN@(.*?)@END@/g;
- comm_clean = /_*@BEGIN@(.*?)@END@/;
- comm_len = 0;
- comm_arr = comm_newpart.match(comm_match);
-
- // $("sandbox").innerHTML += "PRE COMMARR<br>";
- if (comm_arr) {
- // XX $("xhrdeltalog").innerHTML += "DELTA: "+delta +"<br>";
- // XX alert("xhr_rd_newctx: "+xhr_rd_newctx);
- // $("sandbox").innerHTML += "POST COMMARR<br>";
- for (i = 0 ; i < comm_arr.length ; i++) {
- var temp = comm_arr[i].replace(comm_clean,"$1").split("|");
- gst.comms = gst.comms.concat(temp);
- // XX alert("COMM_ARR["+i+"]: "+comm_arr[i]+" LEN:"+comm_arr[i].length);
- comm_len += comm_arr[i].length;
+ this.xhr_rd_delayed = setTimeout(
+ function(f_obj, f_sess, f_stat, f_subst, f_step){ f_obj.xhr_rd_start(f_sess, f_stat, f_subst, f_step); },
+ this.xhr_rd_delay, this, sess, stat, subst, gst.st);
+ // console.log("XXX DI QUI post"+this.xhr_rd_delayed);
+ }
+ }
+ else {
+ // console.log("yyy DI QUI "+this.xhr_rd_delay);
+ this.xhr_rd_start(sess, stat, subst, gst.st);
+ }
+ }
+
+
+ // $("sandbox").innerHTML += "return 1<br>";
+ if (this.the_end != true) {
+ this.watchdog = 0;
+ setTimeout(function(obj, sess){ obj.xhr_rd_poll(sess); }, tout, this, sess);
+
+ // this.hbit(".");
+
+ }
+ else {
+ //x alert("the_end2");
+ if (this.xhr_rd_watchdog != null) {
+ clearTimeout(this.xhr_rd_watchdog);
+ this.xhr_rd_watchdog = null;
+ }
+ }
+ return;
+ }
+
+
+ // no new char from the last loop, break
+ if (this.xhr_rd_old_n == this.xhr_rd_cur_n &&
+ this.xhr_rd_newctx.length == this.xhr_rd_checkedlen) {
+ this.watchdog++;
+ break;
+ }
+ else {
+ // $("sandbox").innerHTML += "BIG IF<br>";
+ var comm_match;
+ var comm_clean;
+ var comm_len;
+ var comm_newpart;
+ var comm_arr;
+ var i;
+ var delta = 0;
+ var match_lines = /^_*$/;
+
+ this.watchdog = 0;
+ this.hbit("/\\");
+
+ // check for the same command group
+ if (this.xhr_rd_old_n != this.xhr_rd_cur_n) {
+ this.xhr_rd_old_n = this.xhr_rd_cur_n;
+ this.xhr_rd_checkedlen = 0;
+ this.xhr_rd_oldctx = "";
}
- tout = 0;
- xhr_rd_oldctx += comm_newpart.substr(0,comm_len);
- // XX alert("XHR_RD_OLDCTX: "+xhr_rd_oldctx);
- again = 1;
- }
- xhr_rd_checkedlen = xhr_rd_oldctx.length;
+ else
+ delta = this.xhr_rd_oldctx.length;
+
+ // $("xhrlog").innerHTML += "EVERY SEC<br>";
+ for (i = delta ; i < this.xhr_rd_newctx.length ; i++) {
+ if (this.xhr_rd_newctx[i] != '_')
+ break;
+ }
+ if (i == this.xhr_rd_newctx.length) {
+ this.xhr_rd_checkedlen = i;
+ break;
+ }
+
+ // $("xhrlog").innerHTML += "CHECK COM<br>";
+ // extracts the new part of the command string
+ comm_newpart = this.xhr_rd_newctx.substr(delta);
+
+ // XX $("xhrlog").innerHTML = xhr_rd_newctx.replace("<", "<", "g");
+
+ // $("response").innerHTML = comm_newpart;
+ comm_match = /_*@BEGIN@(.*?)@END@/g;
+ comm_clean = /_*@BEGIN@(.*?)@END@/;
+ comm_len = 0;
+ comm_arr = comm_newpart.match(comm_match);
+
+ // $("sandbox").innerHTML += "PRE COMMARR<br>";
+ if (comm_arr) {
+ // XX $("xhrdeltalog").innerHTML += "DELTA: "+delta +"<br>";
+ // XX alert("xhr_rd_newctx: "+this.xhr_rd_newctx);
+ // $("sandbox").innerHTML += "POST COMMARR<br>";
+ for (i = 0 ; i < comm_arr.length ; i++) {
+ var temp = comm_arr[i].replace(comm_clean,"$1").split("|");
+ gst.comms = gst.comms.concat(temp);
+ // XX alert("COMM_ARR["+i+"]: "+comm_arr[i]+" LEN:"+comm_arr[i].length);
+ comm_len += comm_arr[i].length;
+ }
+ tout = 0;
+ this.xhr_rd_oldctx += comm_newpart.substr(0,comm_len);
+ // XX alert("XHR_RD_OLDCTX: "+this.xhr_rd_oldctx);
+ again = 1;
+ }
+ this.xhr_rd_checkedlen = this.xhr_rd_oldctx.length;
+ }
}
- }
- } while (again);
+ } while (again);
- if (xhrrestart == 1 && xhr_rd_stopped == true) {
- // $("sandbox").innerHTML += "LITTLE IF<br>";
- // alert("di qui");
- // XX $("xhrstart").innerHTML += "XHRSTART: da end poll<br>";
- xhr_rd_start(sess, stat, subst, gst.st);
- // $("sandbox").innerHTML += "return 2<br>";
- }
-
- // $("sandbox").innerHTML += "return 3<br>";
- if (the_end != true) {
- setTimeout(xhr_rd_poll, tout, sess);
-
- $("heartbit").innerHTML += "-";
- if ($("heartbit").innerHTML.length == 20)
- $("heartbit").innerHTML = "-";
-
+ if (xhrrestart == 1 && this.xhr_rd_stopped == true) {
+ // $("sandbox").innerHTML += "LITTLE IF<br>";
+ // alert("di qui");
+ // XX $("xhrstart").innerHTML += "XHRSTART: da end poll<br>";
+ if (this.xhr_rd_delay > 0) {
+ if (this.xhr_rd_delayed == null) {
+ // console.log("XXX DI QUO "+this.xhr_rd_delay);
+
+ this.xhr_rd_delayed = setTimeout(
+ function(obj, sess, stat, subst, step){ obj.xhr_rd_start(sess, stat, subst, step); },
+ this.xhr_rd_delay, this, sess, stat, subst, gst.st);
+ // console.log("XXX DI QUO post"+this.xhr_rd_delayed);
+ }
+ }
+ else {
+ // console.log("yyy DI QUO "+this.xhr_rd_delay);
+ this.xhr_rd_start(sess, stat, subst, gst.st);
+ }
+
+ }
+
+ if (this.the_end != true) {
+ setTimeout(function(obj, sess){ obj.xhr_rd_poll(sess); }, tout, this, sess);
+ }
+ else {
+ //x alert("the_end3");
+ if (this.xhr_rd_watchdog != null) {
+ clearTimeout(this.xhr_rd_watchdog);
+ this.xhr_rd_watchdog = null;
+ }
+ }
+ return;
}
- return;
-};
-
+}
+
/*
window.onload = function () {
xhr_rd = createXMLHttpRequest();
projects / brisk.git / blobdiff