jcarr
/
noVNC
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add summary timing info on disconnect. 

Also, move Frame Buffer Update code out of normal_msg into separate
function.
This commit is contained in:
Joel Martin 2010-06-14 14:43:21 -05:00
parent 30e5396326
commit 2152a88f5c
1 changed files with 178 additions and 85 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

263
vnc.js
View File

@ -265,6 +265,14 @@ timing : {
fbu_rt_start : 0,
fbu_rt_total : 0,
fbu_rt_cnt : 0,
history : [],
history_start : 0,
h_time : 0,
h_rects : 0,
h_fbus : 0,
h_bytes : 0,
h_pixels : 0
},
/* Mouse state */
@ -463,6 +471,8 @@ init_msg: function () {
/* Start pushing/polling */
RFB.checkEvents.delay(RFB.check_rate);
RFB.scan_tight_imgs.delay(RFB.scan_imgs_rate)
RFB.timing.history_start = (new Date()).getTime();
RFB.update_timings.delay(1000);
RFB.updateState('normal', "Connected to: " + RFB.fb_name);
break;
@ -475,11 +485,10 @@ init_msg: function () {
normal_msg: function () {
//console.log(">> normal_msg");
var RQ = RFB.RQ, FBU = RFB.FBU, now, fbu_rt_diff,
ret = true, msg_type, msg,
var RQ = RFB.RQ, ret = true, msg_type,
c, first_colour, num_colours, red, green, blue;
if (FBU.rects > 0) {
if (RFB.FBU.rects > 0) {
msg_type = 0;
} else if (RFB.cuttext !== 'none') {
msg_type = 3;
@ -488,88 +497,7 @@ normal_msg: function () {
}
switch (msg_type) {
case 0: // FramebufferUpdate
if (FBU.rects === 0) {
if (RQ.length < 3) {
RQ.unshift(msg_type);
//console.log(" waiting for FBU header bytes");
return false;
}
RQ.shift8();
FBU.rects = RQ.shift16();
//console.log("FramebufferUpdate, rects:" + FBU.rects);
RFB.timing.cur_fbu = 0;
FBU.bytes = 0;
if (RFB.timing.fbu_rt_start > 0) {
now = (new Date()).getTime();
console.log("First FBU latency: " + (now - RFB.timing.fbu_rt_start));
}
}
while ((FBU.rects > 0) && (RQ.length >= FBU.bytes)) {
if (FBU.bytes === 0) {
if (RQ.length < 12) {
//console.log(" waiting for rect header bytes");
return false;
}
/* New FramebufferUpdate */
FBU.x = RQ.shift16();
FBU.y = RQ.shift16();
FBU.width = RQ.shift16();
FBU.height = RQ.shift16();
FBU.encoding = parseInt(RQ.shift32(), 10);
// Debug:
/*
if (RFB.encNames[FBU.encoding]) {
msg = "FramebufferUpdate rects:" + FBU.rects;
msg += " encoding:" + FBU.encoding;
msg += "(" + RFB.encNames[FBU.encoding] + ")";
msg += ", RQ.length: " + RQ.length;
console.log(msg);
} else {
RFB.updateState('failed',
"Disconnected: unsupported encoding " +
FBU.encoding);
return false;
}
*/
}
RFB.timing.last_fbu = (new Date()).getTime();
ret = RFB.encHandlers[FBU.encoding]();
now = (new Date()).getTime();
RFB.timing.cur_fbu += (now - RFB.timing.last_fbu);
if (FBU.rects === 0) {
if (((FBU.width === RFB.fb_width) &&
(FBU.height === RFB.fb_height)) ||
(RFB.timing.fbu_rt_start > 0)) {
RFB.timing.full_fbu_total += RFB.timing.cur_fbu;
RFB.timing.full_fbu_cnt += 1;
console.log("Timing of full FBU, cur: " +
RFB.timing.cur_fbu + ", total: " +
RFB.timing.full_fbu_total + ", cnt: " +
RFB.timing.full_fbu_cnt + ", avg: " +
(RFB.timing.full_fbu_total /
RFB.timing.full_fbu_cnt));
}
if (RFB.timing.fbu_rt_start > 0) {
fbu_rt_diff = now - RFB.timing.fbu_rt_start;
RFB.timing.fbu_rt_total += fbu_rt_diff;
RFB.timing.fbu_rt_cnt += 1;
console.log("full FBU round-trip, cur: " +
fbu_rt_diff + ", total: " +
RFB.timing.fbu_rt_total + ", cnt: " +
RFB.timing.fbu_rt_cnt + ", avg: " +
(RFB.timing.fbu_rt_total /
RFB.timing.fbu_rt_cnt));
RFB.timing.fbu_rt_start = 0;
}
}
if (RFB.state !== "normal") { return true; }
}
ret = RFB.framebufferUpdate();
break;
case 1: // SetColourMapEntries
console.log("SetColourMapEntries");
@ -623,6 +551,107 @@ normal_msg: function () {
return ret;
},
framebufferUpdate: function() {
var RQ = RFB.RQ, FBU = RFB.FBU, timing = RFB.timing,
now, fbu_rt_diff, last_rects, last_length,
ret = true, msg;
if (FBU.rects === 0) {
if (RQ.length < 3) {
RQ.unshift(0); // FBU msg_type
//console.log(" waiting for FBU header bytes");
return false;
}
RQ.shift8();
FBU.rects = RQ.shift16();
//console.log("FramebufferUpdate, rects:" + FBU.rects);
FBU.bytes = 0;
timing.cur_fbu = 0;
timing.h_fbus += 1;
if (timing.fbu_rt_start > 0) {
now = (new Date()).getTime();
console.log("First FBU latency: " + (now - timing.fbu_rt_start));
}
}
while ((FBU.rects > 0) && (RQ.length >= FBU.bytes)) {
if (FBU.bytes === 0) {
if (RQ.length < 12) {
//console.log(" waiting for rect header bytes");
return false;
}
/* New FramebufferUpdate */
FBU.x = RQ.shift16();
FBU.y = RQ.shift16();
FBU.width = RQ.shift16();
FBU.height = RQ.shift16();
FBU.encoding = parseInt(RQ.shift32(), 10);
timing.h_bytes += 12;
// Debug:
/*
if (RFB.encNames[FBU.encoding]) {
msg = "FramebufferUpdate rects:" + FBU.rects;
msg += " encoding:" + FBU.encoding;
msg += "(" + RFB.encNames[FBU.encoding] + ")";
msg += ", RQ.length: " + RQ.length;
console.log(msg);
} else {
RFB.updateState('failed',
"Disconnected: unsupported encoding " +
FBU.encoding);
return false;
}
*/
}
timing.last_fbu = (new Date()).getTime();
last_rects = FBU.rects;
last_bytes = RQ.length;
ret = RFB.encHandlers[FBU.encoding]();
now = (new Date()).getTime();
timing.cur_fbu += (now - timing.last_fbu);
timing.h_bytes += last_bytes-RQ.length;
if (FBU.rects < last_rects) {
// Some work was done
timing.h_rects += last_rects-FBU.rects;
timing.h_pixels += FBU.width*FBU.height;
}
if (FBU.rects === 0) {
if (((FBU.width === RFB.fb_width) &&
(FBU.height === RFB.fb_height)) ||
(timing.fbu_rt_start > 0)) {
timing.full_fbu_total += timing.cur_fbu;
timing.full_fbu_cnt += 1;
console.log("Timing of full FBU, cur: " +
timing.cur_fbu + ", total: " +
timing.full_fbu_total + ", cnt: " +
timing.full_fbu_cnt + ", avg: " +
(timing.full_fbu_total /
timing.full_fbu_cnt));
}
if (timing.fbu_rt_start > 0) {
fbu_rt_diff = now - timing.fbu_rt_start;
timing.fbu_rt_total += fbu_rt_diff;
timing.fbu_rt_cnt += 1;
console.log("full FBU round-trip, cur: " +
fbu_rt_diff + ", total: " +
timing.fbu_rt_total + ", cnt: " +
timing.fbu_rt_cnt + ", avg: " +
(timing.fbu_rt_total /
timing.fbu_rt_cnt));
timing.fbu_rt_start = 0;
}
}
if (RFB.state !== "normal") { return true; }
}
return ret;
},
/*
* FramebufferUpdate encodings
@ -1381,6 +1410,10 @@ updateState: function(state, statusMsg) {
cmsg = typeof(statusMsg) !== 'undefined' ? (" Msg: " + statusMsg) : "";
func("New state '" + state + "'." + cmsg);
if ((state === 'disconnected') && (RFB.state !== 'disconnected')) {
RFB.show_timings();
}
if ((RFB.state === 'failed') &&
((state === 'disconnected') || (state === 'closed'))) {
// Leave the failed message
@ -1389,6 +1422,59 @@ updateState: function(state, statusMsg) {
RFB.state = state;
RFB.externalUpdateState(state, statusMsg)
}
},
update_timings: function() {
var now, timing = RFB.timing, offset;
now = (new Date()).getTime();
timing.history.push([now,
timing.h_fbus,
timing.h_rects,
timing.h_bytes,
timing.h_pixels]);
timing.h_fbus = 0;
timing.h_rects = 0;
timing.h_bytes = 0;
timing.h_pixels = 0;
if ((RFB.state !== 'disconnected') && (RFB.state !== 'failed')) {
// Try for every second
offset = (now - timing.history_start) % 1000;
if (offset < 500) {
RFB.update_timings.delay(1000 - offset);
} else {
RFB.update_timings.delay(2000 - offset);
}
}
},
show_timings: function() {
var i, timing = RFB.timing, history, msg,
delta, tot_time = 0, tot_fbus = 0, tot_rects = 0,
tot_bytes = 0, tot_pixels = 0;
console.log(">> show_timings");
RFB.update_timings(); // Final accumulate
msg = "\nTimings\n";
msg += " time: fbus,rects,bytes,pixels\n";
for (i=0; i < timing.history.length; i++) {
history = timing.history[i];
delta = ((history[0]-timing.history_start)/1000);
tot_time = delta;
tot_fbus += history[1];
tot_rects += history[2];
tot_bytes += history[3];
tot_pixels += history[4];
msg += " " + delta.toFixed(3);
msg += ": " + history.slice(1) + "\n";
}
msg += "\nTotals:\n";
msg += " time: fbus,rects,bytes,pixels\n";
msg += " " + tot_time.toFixed(3);
msg += ": " + tot_fbus + "," + tot_rects;
msg += "," + tot_bytes + "," + tot_pixels;
console.log(msg);
},
/*
@ -1467,6 +1553,13 @@ init_vars: function () {
RFB.FBU.imgs = []; // TIGHT_PNG image queue
RFB.mouse_buttonmask = 0;
RFB.mouse_arr = [];
RFB.timing.history_start = 0;
RFB.timing.history = [];
RFB.timing.h_fbus = 0;
RFB.timing.h_rects = 0;
RFB.timing.h_bytes = 0;
RFB.timing.h_pixels = 0;
}
}; /* End of RFB */