The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/testing/xpcshell/node-spdy/lib/spdy/protocol/v3/protocol.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,109 @@
     1.4 +var protocol = exports;
     1.5 +
     1.6 +//
     1.7 +// ### function parseSynHead (type, flags, data)
     1.8 +// #### @type {Number} Frame type
     1.9 +// #### @flags {Number} Frame flags
    1.10 +// #### @data {Buffer} input data
    1.11 +// Returns parsed syn_* frame's head
    1.12 +//
    1.13 +protocol.parseSynHead = function parseSynHead(type, flags, data) {
    1.14 +  var stream = type === 0x01;
    1.15 +
    1.16 +  return {
    1.17 +    type: stream ? 'SYN_STREAM' : 'SYN_REPLY',
    1.18 +    id: data.readUInt32BE(0, true) & 0x7fffffff,
    1.19 +    version: 3,
    1.20 +    associated: stream ? data.readUInt32BE(4, true) & 0x7fffffff : 0,
    1.21 +    priority: stream ? data[8] >> 5 : 0,
    1.22 +    fin: (flags & 0x01) === 0x01,
    1.23 +    unidir: (flags & 0x02) === 0x02,
    1.24 +    _offset: stream ? 10 : 4
    1.25 +  };
    1.26 +};
    1.27 +
    1.28 +//
    1.29 +// ### function parseHeaders (pairs)
    1.30 +// #### @pairs {Buffer} header pairs
    1.31 +// Returns hashmap of parsed headers
    1.32 +//
    1.33 +protocol.parseHeaders = function parseHeaders(pairs) {
    1.34 +  var count = pairs.readUInt32BE(0, true),
    1.35 +      headers = {};
    1.36 +
    1.37 +  pairs = pairs.slice(4);
    1.38 +
    1.39 +  function readString() {
    1.40 +    var len = pairs.readUInt32BE(0, true),
    1.41 +        value = pairs.slice(4, 4 + len);
    1.42 +
    1.43 +    pairs = pairs.slice(4 + len);
    1.44 +
    1.45 +    return value.toString();
    1.46 +  }
    1.47 +
    1.48 +  while(count > 0) {
    1.49 +    headers[readString().replace(/^:/, '')] = readString();
    1.50 +    count--;
    1.51 +  }
    1.52 +
    1.53 +  return headers;
    1.54 +};
    1.55 +
    1.56 +//
    1.57 +// ### function parsesRst frame
    1.58 +protocol.parseRst = function parseRst(data) {
    1.59 +  return {
    1.60 +    type: 'RST_STREAM',
    1.61 +    id: data.readUInt32BE(0, true) & 0x7fffffff,
    1.62 +    status: data.readUInt32BE(4, true)
    1.63 +  };
    1.64 +};
    1.65 +
    1.66 +protocol.parseSettings = function parseSettings(data) {
    1.67 +  var settings = {},
    1.68 +      number = data.readUInt32BE(0, true),
    1.69 +      idMap = {
    1.70 +        1: 'upload_bandwidth',
    1.71 +        2: 'download_bandwidth',
    1.72 +        3: 'round_trip_time',
    1.73 +        4: 'max_concurrent_streams',
    1.74 +        5: 'current_cwnd',
    1.75 +        6: 'download_retrans_rate',
    1.76 +        7: 'initial_window_size',
    1.77 +        8: 'client_certificate_vector_size'
    1.78 +      };
    1.79 +
    1.80 +  for (var i=0; i<number; i++) {
    1.81 +    var id = data.readUInt32BE(4 + (i*8), true) & 0x00ffffff,
    1.82 +        flags = data.readUInt8(4 + (i*8), true),
    1.83 +        name = idMap[id];
    1.84 +    settings[id] = settings[name] = {
    1.85 +      persist: !!(flags & 0x1),
    1.86 +      persisted: !!(flags & 0x2),
    1.87 +      value: data.readUInt32BE(8 + (i*8), true)
    1.88 +    };
    1.89 +  }
    1.90 +
    1.91 +  return {
    1.92 +    type: 'SETTINGS',
    1.93 +    settings: settings
    1.94 +  };
    1.95 +};
    1.96 +
    1.97 +protocol.parseGoaway = function parseGoaway(data) {
    1.98 +  return {
    1.99 +    type: 'GOAWAY',
   1.100 +    lastId: data.readUInt32BE(0, true) & 0x7fffffff
   1.101 +  };
   1.102 +};
   1.103 +
   1.104 +protocol.parseWindowUpdate = function parseWindowUpdate(data) {
   1.105 +  var ret = {
   1.106 +    type: 'WINDOW_UPDATE',
   1.107 +    id: data.readUInt32BE(0, true) & 0x7fffffff,
   1.108 +    delta: data.readUInt32BE(4, true) & 0x7fffffff
   1.109 +  };
   1.110 +
   1.111 +  return ret;
   1.112 +};