},
ctx_new_getchar: function(idx) { /* public */
+ return (this.ctx_new[idx]);
},
ctx_old_len_is_set: function () { /* public */
this.xynt_streaming = xynt_streaming;
this.transfdoc = new ActiveXObject("htmlfile");
this.transfdoc.open();
- /*this.transfdoc.write("<html><head><script>");
- this.transfdoc.write("document.domain=\""+(doc.domain)+"\";");
- this.transfdoc.write("</"+"script></"+"head>"); */
this.transfdoc.write("<html><body><iframe id='iframe'></iframe></body></html>");
this.transfdoc.close();
this.ifra = this.transfdoc.getElementById("iframe");
this.ifra.contentWindow.location.href = page;
+ this.stopped = false;
}
transport_htmlfile.prototype = {
doc: null,
xynt_streaming: null,
+ stopped: true,
ifra: null,
tradoc: null,
return (typeof(this.ifra.contentWindow.xynt_streaming) != 'undefined');
},
+ /* only after a successfull is_initialized call */
+ xstr_is_ready: function () { /* public */
+ return (this.ifra.contentWindow.xynt_streaming == "ready");
+ },
+
/* only after a successfull is_initialized call */
xstr_set: function () { /* public */
if (this.ifra.contentWindow.xynt_streaming == "ready") {
},
ctx_new_getchar: function(idx) { /* public */
+ return (this.ifra.contentWindow.ctx_new.charAt(idx));
+
},
ctx_old_len_is_set: function () { /* public */
this.ifra.contentWindow.script_clean = step;
},
- postproc: function () {
+ postproc: function () { /* public */
+ if (this.stopped && !this.xstr_is_ready()) {
+ this.xynt_streaming.reload();
+ }
}
}
this.ifra.style.visibility = "hidden";
doc.body.appendChild(this.ifra);
this.ifra.contentWindow.location.href = page;
+ this.stopped = false;
}
transport_iframe.prototype = {
doc: null,
xynt_streaming: null,
+ stopped: true,
ifra: null,
destroy: function () { /* public */
- if (this.ifra != null) {
- this.doc.body.removeChild(this.ifra);
- delete this.ifra;
- this.ifra = null;
+ try {
+ if (this.ifra != null) {
+ // NOTE: on Opera this remove child crash js if called from
+ // inside of the iframe, on IE on Windows without
+ // it stream abort fails.
+ // the problem is fixed setting into the iframe's onload
+ // function the stopped attribute to true and delegate
+ // postproc() fired by xynt_streaming watchdog()
+ this.doc.body.removeChild(this.ifra);
+ delete this.ifra;
+ this.ifra = null;
+ }
+ } catch (b) {
+ alert("destroy exception catched");
}
},
},
ctx_new_getchar: function(idx) { /* public */
+ return (this.ifra.contentWindow.ctx_new.charAt(idx));
},
ctx_old_len_is_set: function () { /* public */
this.ifra.contentWindow.script_clean = step;
},
- postproc: function () {
+ postproc: function () { /* public */
+ if (this.stopped && !this.xstr_is_ready()) {
+ this.xynt_streaming.reload();
+ }
}
}
this.page = page;
this.cmdproc = cmdproc;
// this.cmdproc = function(com){/* console.log("COM: "+com); */ eval(com);}
-
this.doc = win.document;
this.keepalive_old = -1;
this.keepalive_new = -1;
page: null,
cmdproc: null,
+ start_time: 0,
+ restart_wait: 5000, // wait restart_wait millisec before begin to check if restart is needed
+
doc: null,
cookiepath: "/brisk/",
watchdog_hdl: null,
- hbit: null,
+ hbit: function () {},
keepalive_old: -1,
keepalive_new: -1,
keepalives_equal: 0,
/* NOTE: right watch_timeout value to 100, for devel reasons use 1000 or more */
- /* restart after 3 * 40 * 100 millisec if server ping is missing => 12secs */
- keepalives_eq_max: 3,
+ /* restart after 4 * 40 * 100 millisec if server ping is missing => 16secs */
+ keepalives_eq_max: 4,
watchdog_checktm: 40,
- // FIXME watchdog_timeout: 100,
watchdog_timeout: 100,
watchdog_ct: 0,
watchable: false,
stream: "",
the_end: false,
+ w_stat_old: "",
+ s_stat_old: "",
+
start: function() { /* public */
if (this.the_end)
return;
if (!this.the_end) {
this.watchdog_hdl = setTimeout(function(obj) { obj.log("tout1"); obj.watchdog(); }, this.watchdog_timeout, this);
}
+
+ var date = new Date();
+ this.start_time = date.getTime();
},
stop: function() {
this.hbit = hbit;
},
+ hbit_status: function () {
+ if (this.watchdog_hdl)
+ w_stat = "g";
+ else
+ w_stat = "r";
+
+ if (this.transp.ctx_new_is_set() &&
+ this.transp.ctx_new_curlen_get() > 0) {
+ if (this.keepalives_equal == 0) {
+ s_stat = "g";
+ }
+ else if (this.keepalives_equal < this.keepalives_eq_max) {
+ s_stat = "y";
+ }
+ else {
+ s_stat = "r";
+ }
+ }
+ else {
+ s_stat = "r";
+ }
+
+ if (this.s_stat_old != s_stat ||
+ this.w_stat_old != w_stat)
+ this.hbit(s_stat, w_stat);
+ this.s_stat_old = s_stat;
+ this.w_stat_old = w_stat;
+ },
+
watchdog: function () {
// alert("watchdog");
var i, again;
var comm_newpart, comm_len, comm_arr;
var ctx_new_len;
+ this.watchdog_hdl = null;
+
+ this.hbit_status();
if (this.sandbox != null) {
// from old: var zug = "POLL sess = "+sess+" stat = "+stat+" subst = "+subst+" step = "+this.gst.st+" step_loc = "+this.gst.st_loc+" step_loc_new = "+this.gst.st_loc_new+" STOP: "+this.stopped;
var zug = "WATCHDOG sess = ["+this.sess+"] step = "+this.gst.st+" step_loc = "+this.gst.st_loc+" step_loc_new = "+this.gst.st_loc_new;
}
if ( (this.watchdog_ct % this.watchdog_checktm) == 0) {
this.log("hs::watchdog: this.keepalive_old: "+this.keepalive_old+" this.keepalive_new: "+this.keepalive_new);
+
+ // alert("qui "+this.transp.ctx_new_curlen_get()+" "+this.transp.ctx_old_len_get();
if (this.keepalive_old == this.keepalive_new) {
this.keepalives_equal++;
}
this.keepalives_equal = 0;
}
- if (this.keepalives_equal > this.keepalives_eq_max) {
+ if (this.keepalives_equal >= this.keepalives_eq_max) {
this.log("hs::watchdog: MAX ACHIEVED "+this.keepalives_equal);
this.reload();
// alert("watchdog return reload");
catch(b) {
break;
}
-
// ctx_new_len = this.ifra.contentWindow.ctx_new.length;
ctx_new_len = this.transp.ctx_new_curlen_get();
+ this.log("new_len: "+ ctx_new_len);
// if (ctx_new_len <= this.ifra.contentWindow.ctx_old_len) {
if (ctx_new_len <= this.transp.ctx_old_len_get()) {
break;
this.keepalive_new++;
// alert("pre-loop 1");
for (i = this.transp.ctx_old_len_get() ; i < ctx_new_len ; i++) {
- // if (this.ifra.contentWindow.ctx_new.charAt(i) != '_') {
+ // alert("ctx_new_getchar: "+this.transp.ctx_new_getchar(i));
+
if (this.transp.ctx_new_getchar(i) != '_') {
// this.log("ctx_new.char(i) != '_' ["+this.ifra.contentWindow.ctx_new.charAt(i)+"]");
break;
} while (again);
this.watchdog_ct++;
if (!this.the_end) {
- this.transp.postproc();
+ var date = new Date();
+ if (date.getTime() > (this.start_time + this.restart_wait)) {
+ this.transp.postproc();
+ }
this.watchdog_hdl = setTimeout(function(obj) { /* obj.log("tout2"); */ obj.watchdog(); }, this.watchdog_timeout, this);
+ this.hbit_status();
}
// alert("watchdog return normal");