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 */
try {
if (this.ifra != null) {
- // FIXME: on Opera on Windows this remove child crash js so is commented
- // on IE on Windows without it stream abort fails
- // so we need to decide how can run it
+ // 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;
},
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;
+
+ this.mon_errtime = this.keepalives_eq_max * this.watchdog_checktm * this.watchdog_timeout;
+ this.mon_wrntime = this.mon_errtime / 2;
+
+ this.mon_update();
+
}
xynt_streaming.prototype = {
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,
/* 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,
+ mon_time: -1,
+ mon_wrntime: 0,
+ mon_errtime: 0,
+
+ mon_stat_old: "",
+
+ mon_update: function()
+ {
+ var date = new Date();
+
+ this.mon_time = date.getTime();
+ },
+
+ /*
+ ping arrives at least every RD_KEEPALIVE_TOUT secs (currently 4 secs)
+
+ return values: 0 unknown
+ 1 ok
+ 2 warning
+ 3 error
+ */
+ mon_status: function()
+ {
+ var delta, date;
+
+ var date = new Date();
+
+ delta = date.getTime() - this.mon_time;
+
+ if (delta < this.mon_wrntime)
+ return 1;
+ else if (delta < this.mon_errtime)
+ return 2;
+ else
+ return 3;
+ },
+
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 () {
+ var ret;
+
+ ret = this.mon_status();
+ // console.log("mon_status: "+ret+" 0: "+this.mon_time);
+ switch (ret) {
+ case 0:
+ mon_stat = "b";
+ break;
+ case 1:
+ mon_stat = "g";
+ break;
+ case 2:
+ mon_stat = "y";
+ break;
+ case 3:
+ mon_stat = "r";
+ break;
+ }
+
+ if (this.mon_stat_old != mon_stat) {
+ this.hbit(mon_stat);
+ this.mon_stat_old = mon_stat;
+ }
+ },
+
+
watchdog: function () {
// alert("watchdog");
var i, again;
this.log("hs::watchdog: MAX ACHIEVED "+this.keepalives_equal);
this.reload();
// alert("watchdog return reload");
+ this.hbit_status();
return;
}
}
// this.log("ctx_new.char(i) != '_' ["+this.ifra.contentWindow.ctx_new.charAt(i)+"]");
break;
}
+ this.mon_update();
+ this.hbit_status();
+
// else {
// this.log("ctx_new.charAt(i) == '_'");
// }
comm_len += comm_arr[i].length;
}
again = 1;
+ this.mon_update();
+ this.hbit_status();
}
// this.ifra.contentWindow.ctx_old_len += comm_len;
this.transp.ctx_old_len_add(comm_len);
} 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");