recvBuffer -> pool
This commit is contained in:
parent
cc053e7df7
commit
c66a0a739f
72
lib/net.js
72
lib/net.js
@ -243,10 +243,10 @@ var buffers = new FreeList("buffer", 100, function (l) {
|
|||||||
|
|
||||||
|
|
||||||
// Allocated on demand.
|
// Allocated on demand.
|
||||||
var recvBuffer = null;
|
var pool = null;
|
||||||
function allocRecvBuffer () {
|
function allocNewPool () {
|
||||||
recvBuffer = new Buffer(40*1024);
|
pool = new Buffer(40*1024);
|
||||||
recvBuffer.used = 0;
|
pool.used = 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
@ -267,27 +267,27 @@ function _doFlush () {
|
|||||||
function initStream (self) {
|
function initStream (self) {
|
||||||
self._readWatcher = ioWatchers.alloc();
|
self._readWatcher = ioWatchers.alloc();
|
||||||
self._readWatcher.callback = function () {
|
self._readWatcher.callback = function () {
|
||||||
// If this is the first recv (recvBuffer doesn't exist) or we've used up
|
// If this is the first recv (pool doesn't exist) or we've used up
|
||||||
// most of the recvBuffer, allocate a new one.
|
// most of the pool, allocate a new one.
|
||||||
if (recvBuffer) {
|
if (pool) {
|
||||||
if (recvBuffer.length - recvBuffer.used < 128) {
|
if (pool.length - pool.used < 128) {
|
||||||
// discard the old recvBuffer. Can't add to the free list because
|
// discard the old pool. Can't add to the free list because
|
||||||
// users might have refernces to slices on it.
|
// users might have refernces to slices on it.
|
||||||
recvBuffer = null;
|
pool = null;
|
||||||
allocRecvBuffer();
|
allocNewPool();
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
allocRecvBuffer();
|
allocNewPool();
|
||||||
}
|
}
|
||||||
|
|
||||||
//debug('recvBuffer.used ' + recvBuffer.used);
|
//debug('pool.used ' + pool.used);
|
||||||
var bytesRead;
|
var bytesRead;
|
||||||
|
|
||||||
try {
|
try {
|
||||||
bytesRead = read(self.fd,
|
bytesRead = read(self.fd,
|
||||||
recvBuffer,
|
pool,
|
||||||
recvBuffer.used,
|
pool.used,
|
||||||
recvBuffer.length - recvBuffer.used);
|
pool.length - pool.used);
|
||||||
} catch (e) {
|
} catch (e) {
|
||||||
self.forceClose(e);
|
self.forceClose(e);
|
||||||
return;
|
return;
|
||||||
@ -307,30 +307,30 @@ function initStream (self) {
|
|||||||
|
|
||||||
timeout.active(self);
|
timeout.active(self);
|
||||||
|
|
||||||
var start = recvBuffer.used;
|
var start = pool.used;
|
||||||
var end = recvBuffer.used + bytesRead;
|
var end = pool.used + bytesRead;
|
||||||
|
|
||||||
if (!self._encoding) {
|
if (!self._encoding) {
|
||||||
if (self._events && self._events['data']) {
|
if (self._events && self._events['data']) {
|
||||||
// emit a slice
|
// emit a slice
|
||||||
self.emit('data', recvBuffer.slice(start, end));
|
self.emit('data', pool.slice(start, end));
|
||||||
}
|
}
|
||||||
|
|
||||||
// Optimization: emit the original buffer with end points
|
// Optimization: emit the original buffer with end points
|
||||||
if (self.ondata) self.ondata(recvBuffer, start, end);
|
if (self.ondata) self.ondata(pool, start, end);
|
||||||
} else {
|
} else {
|
||||||
// TODO remove me - we should only output Buffer
|
// TODO remove me - we should only output Buffer
|
||||||
|
|
||||||
var string;
|
var string;
|
||||||
switch (self._encoding) {
|
switch (self._encoding) {
|
||||||
case 'utf8':
|
case 'utf8':
|
||||||
string = recvBuffer.utf8Slice(start, end);
|
string = pool.utf8Slice(start, end);
|
||||||
break;
|
break;
|
||||||
case 'ascii':
|
case 'ascii':
|
||||||
string = recvBuffer.asciiSlice(start, end);
|
string = pool.asciiSlice(start, end);
|
||||||
break;
|
break;
|
||||||
case 'binary':
|
case 'binary':
|
||||||
string = recvBuffer.binarySlice(start, end);
|
string = pool.binarySlice(start, end);
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
throw new Error('Unsupported encoding ' + self._encoding + '. Use Buffer');
|
throw new Error('Unsupported encoding ' + self._encoding + '. Use Buffer');
|
||||||
@ -339,7 +339,7 @@ function initStream (self) {
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
recvBuffer.used += bytesRead;
|
pool.used += bytesRead;
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
self.readable = false;
|
self.readable = false;
|
||||||
@ -501,26 +501,26 @@ Stream.prototype.write = function (data, encoding) {
|
|||||||
|
|
||||||
//debug('write string :' + JSON.stringify(data));
|
//debug('write string :' + JSON.stringify(data));
|
||||||
|
|
||||||
if (!recvBuffer) allocRecvBuffer();
|
if (!pool) allocNewPool();
|
||||||
|
|
||||||
if (recvBuffer.length - recvBuffer.used < bytes) {
|
if (pool.length - pool.used < bytes) {
|
||||||
// not enough room - go to slow case
|
// not enough room - go to slow case
|
||||||
return self._queueWrite(data, encoding);
|
return self._queueWrite(data, encoding);
|
||||||
}
|
}
|
||||||
|
|
||||||
var charsWritten;
|
var charsWritten;
|
||||||
if (encoding == 'utf8') {
|
if (encoding == 'utf8') {
|
||||||
recvBuffer.utf8Write(data, recvBuffer.used);
|
pool.utf8Write(data, pool.used);
|
||||||
} else if (encoding == 'ascii') {
|
} else if (encoding == 'ascii') {
|
||||||
// ascii
|
// ascii
|
||||||
recvBuffer.asciiWrite(data, recvBuffer.used);
|
pool.asciiWrite(data, pool.used);
|
||||||
} else {
|
} else {
|
||||||
// binary
|
// binary
|
||||||
recvBuffer.binaryWrite(data, recvBuffer.used);
|
pool.binaryWrite(data, pool.used);
|
||||||
}
|
}
|
||||||
|
|
||||||
buffer = recvBuffer;
|
buffer = pool;
|
||||||
off = recvBuffer.used;
|
off = pool.used;
|
||||||
len = bytes;
|
len = bytes;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -536,8 +536,8 @@ Stream.prototype.write = function (data, encoding) {
|
|||||||
|
|
||||||
//debug('wrote ' + bytesWritten);
|
//debug('wrote ' + bytesWritten);
|
||||||
|
|
||||||
// Note: if using the recvBuffer - we don't need to increase
|
// Note: if using the pool - we don't need to increase
|
||||||
// recvBuffer.used because it was all sent. Just reuse that space.
|
// pool.used because it was all sent. Just reuse that space.
|
||||||
|
|
||||||
if (bytesWritten == len) return true;
|
if (bytesWritten == len) return true;
|
||||||
|
|
||||||
@ -548,8 +548,8 @@ Stream.prototype.write = function (data, encoding) {
|
|||||||
data.used = data.length;
|
data.used = data.length;
|
||||||
} else {
|
} else {
|
||||||
// string
|
// string
|
||||||
recvBuffer.used += bytesWritten;
|
pool.used += bytesWritten;
|
||||||
data = recvBuffer.slice(off+bytesWritten, off+len+bytesWritten);
|
data = pool.slice(off+bytesWritten, off+len+bytesWritten);
|
||||||
data.sent = 0;
|
data.sent = 0;
|
||||||
data.used = data.length;
|
data.used = data.length;
|
||||||
}
|
}
|
||||||
@ -733,7 +733,7 @@ Stream.prototype.resume = function () {
|
|||||||
|
|
||||||
|
|
||||||
Stream.prototype.forceClose = function (exception) {
|
Stream.prototype.forceClose = function (exception) {
|
||||||
// recvBuffer is shared between sockets, so don't need to free it here.
|
// pool is shared between sockets, so don't need to free it here.
|
||||||
var self = this;
|
var self = this;
|
||||||
|
|
||||||
var b;
|
var b;
|
||||||
|
Loading…
x
Reference in New Issue
Block a user