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Diffstat (limited to 'gold/scex/tracer/slurp.js')
-rw-r--r-- | gold/scex/tracer/slurp.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gold/scex/tracer/slurp.js b/gold/scex/tracer/slurp.js new file mode 100644 index 00000000..70319743 --- /dev/null +++ b/gold/scex/tracer/slurp.js @@ -0,0 +1,38 @@ +module.exports = (function () { + + function join_buffers (buffers, length) { + var buffer = new Buffer(length); + var targetStart = 0; + buffers.forEach(function (x) { + x.copy(buffer, targetStart); + targetStart += x.length; + }); + return buffer; + }; + + function finish_it (req, buffers, length, callback) { + req.content = join_buffers(buffers, length); + return callback(req.content); + }; + + function nop () {}; + + return function (req, callback) { + if (req.hasOwnProperty('content')) { + return callback(req.content); + }; + var content = []; + var length = 0; + var end_handler = finish_it; + req.on('data', function (data) { + content.push(data); + length += data.length; + }); + [ 'end', 'close' ].forEach(function (event) { + req.on(event, function () { + finish_it(req, content, length, callback); + end_handler = nop; + }); + }); + }; +})(); |