redis/node-redis
1
0
Fork 0
mirror of https://github.com/redis/node-redis.git synced 2025-08-07 13:22:56 +03:00
Code Activity

Parser should only catch parser errors and bubble the rest to the caller.

Browse Source 
Signed-off-by: DTrejo <david.daniel.trejo@gmail.com>
This commit is contained in:
Bryce Baril
2013-02-23 21:13:20 -08:00
committed by DTrejo
parent 0c172f425c
commit 9127f34393
2 changed files with 42 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
lib/parser/javascript.js
View File

@@ -24,6 +24,12 @@ util.inherits(ReplyParser, events.EventEmitter);
exports.Parser = ReplyParser;
function IncompleteReadBuffer(message) {
this.name = "IncompleteReadBuffer";
this.message = message;
}
util.inherits(IncompleteReadBuffer, Error);
// Buffer.toString() is quite slow for small strings
function small_toString(buf, start, end) {
var tmp = "", i;
@@ -48,7 +54,7 @@ ReplyParser.prototype._parseResult = function (type) {
if (end > this._buffer.length) {
this._offset = start;
throw new Error("too far");
throw new IncompleteReadBuffer("Wait for more data.");
}
if (this.options.return_buffers) {
@@ -70,7 +76,7 @@ ReplyParser.prototype._parseResult = function (type) {
if (end > this._buffer.length) {
this._offset = start;
throw new Error("too far");
throw new IncompleteReadBuffer("Wait for more data.");
}
if (this.options.return_buffers) {
@@ -99,7 +105,7 @@ ReplyParser.prototype._parseResult = function (type) {
if (end > this._buffer.length) {
this._offset = offset;
throw new Error("too far");
throw new IncompleteReadBuffer("Wait for more data.");
}
if (this.options.return_buffers) {
@@ -129,7 +135,7 @@ ReplyParser.prototype._parseResult = function (type) {
ntype = this._buffer[this._offset++];
if (this._offset > this._buffer.length) {
throw new Error("too far");
throw new IncompleteReadBuffer("Wait for more data.");
}
res = this._parseResult(ntype);
if (res === undefined) {
@@ -202,16 +208,14 @@ ReplyParser.prototype.execute = function (buffer) {
ret = this._parseResult(type);
if (ret === -1) {
this._offset = offset;
break;
}
this.send_reply(ret);
}
} catch (err) {
// catch the error (not enough data), rewind, and wait
// for the next packet to appear
if (! (err instanceof IncompleteReadBuffer)) {
throw err;
}
this._offset = offset;
break;
}
@@ -272,7 +276,7 @@ ReplyParser.prototype._packetEndOffset = function () {
offset++;
if (offset >= this._buffer.length) {
throw new Error("didn't see LF after NL reading multi bulk count (" + offset + " => " + this._buffer.length + ", " + this._offset + ")");
throw new IncompleteReadBuffer("didn't see LF after NL reading multi bulk count (" + offset + " => " + this._buffer.length + ", " + this._offset + ")");
}
}