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peer: add inv queue.

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This commit is contained in:
Christopher Jeffrey 2017-01-05 13:40:12 -08:00
parent 84f7b0196d
commit 8ca683f4f3
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GPG Key ID: 8962AB9DE6666BBD
1 changed files with 48 additions and 7 deletions
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55
lib/net/peer.js
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@ -98,6 +98,7 @@ function Peer(pool) {
this.drainSize = 0;
this.drainQueue = [];
this.banScore = 0;
this.invQueue = [];
this.version = null;
this.preferHeaders = false;
@ -125,6 +126,7 @@ function Peer(pool) {
this.connectTimeout = null;
this.pingTimer = null;
this.invTimer = null;
this.stallTimer = null;
this.addrFilter = new Bloom.Rolling(5000, 0.001);
@ -160,6 +162,7 @@ Peer.DRAIN_MAX = 5 << 20;
Peer.DRAIN_TIMEOUT = 10000;
Peer.STALL_INTERVAL = 5000;
Peer.PING_INTERVAL = 30000;
Peer.INV_INTERVAL = 5000;
Peer.RESPONSE_TIMEOUT = 30000;
Peer.prototype.__defineGetter__('host', function() {
@ -526,6 +529,11 @@ Peer.prototype.finalize = co(function* finalize() {
self.sendPing();
}, Peer.PING_INTERVAL);
// Setup the inv flusher.
this.invTimer = setInterval(function() {
self.flushInv();
}, Peer.INV_INTERVAL);
// Ask for headers-only.
if (this.options.headers) {
if (this.version.version >= 70012)
@ -719,7 +727,8 @@ Peer.prototype.announceList = function announceList() {
*/
Peer.prototype.sendInv = function sendInv(items) {
var i, item, chunk;
var hasBlock = false;
var i, item;
if (!this.ack)
return;
@ -732,17 +741,44 @@ Peer.prototype.sendInv = function sendInv(items) {
for (i = 0; i < items.length; i++) {
item = items[i];
this.invFilter.add(item.hash, 'hex');
if (item.type === invTypes.BLOCK)
hasBlock = true;
this.invQueue.push(item);
}
if (items.length === 0)
if (this.invQueue.length >= 500 || hasBlock)
this.flushInv();
};
/**
* Flush inv queue.
* @private
*/
Peer.prototype.flushInv = function flushInv() {
var queue = this.invQueue.slice();
var items = [];
var i, item, chunk;
if (queue.length === 0)
return;
this.logger.spam('Serving %d inv items to %s.',
items.length, this.hostname);
this.invQueue.length = 0;
for (i = 0; i < items.length; i += 50000) {
chunk = items.slice(i, i + 50000);
this.logger.spam('Serving %d inv items to %s.',
queue.length, this.hostname);
for (i = 0; i < queue.length; i++) {
item = queue[i];
if (!this.invFilter.added(item.hash, 'hex'))
continue;
items.push(item);
}
for (i = 0; i < items.length; i += 1000) {
chunk = items.slice(i, i + 1000);
this.send(new packets.InvPacket(chunk));
}
};
@ -891,6 +927,11 @@ Peer.prototype.destroy = function destroy() {
this.pingTimer = null;
}
if (this.invTimer != null) {
clearInterval(this.invTimer);
this.invTimer = null;
}
if (this.stallTimer != null) {
clearInterval(this.stallTimer);
this.stallTimer = null;