C++ Value::isMember方法代码示例

void Animation::parsePrefab(json::Value& val)
{
	if(val.isMember("sequences") && !val["sequences"].empty())
	{
		json::Value sequences = val["sequences"];

		for(json::Value::iterator it = sequences.begin(); it != sequences.end(); ++it)
		{
			if(!(*it).isMember("start") || !(*it).isMember("end") || !(*it).isMember("fps"))
			{
				szerr << "Animation sequence definition must have start and end frame and fps value." << ErrorStream::error;
				continue;
			}

			sf::Uint32 start	= (*it)["start"].asUInt();
			sf::Uint32 end		= (*it)["end"].asUInt();
			sf::Uint32 fps		= (*it)["fps"].asUInt();

			bool looping		= (*it).get("looping", 0).asBool();
			std::string next	= (*it).get("next", "").asString();

			defineAnimation(it.memberName(), start, end, fps, looping, next);
		}
	}

	if(val.isMember("autoplay"))
	{
		if(val["autoplay"].isString())
		{
			play(val["autoplay"].asString());
		}
	}
}

  /// Returns a Smooth-format manifest file
  std::string BuildManifest(std::string & MovieId, JSON::Value & metadata){
    std::stringstream Result;
    Result << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
    Result << "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" TimeScale=\"10000000\" Duration=\"" << metadata["lastms"].asInt()
        << "\">\n";
    if (metadata.isMember("audio")){
      Result << "  <StreamIndex Type=\"audio\" QualityLevels=\"1\" Name=\"audio\" Chunks=\"" << metadata["keytime"].size()
          << "\" Url=\"Q({bitrate})/A({start time})\">\n";
      Result << "    <QualityLevel Index=\"0\" Bitrate=\"" << metadata["audio"]["bps"].asInt() * 8 << "\" CodecPrivateData=\"";
      Result << std::hex;
      for (int i = 0; i < metadata["audio"]["init"].asString().size(); i++){
        Result << std::setfill('0') << std::setw(2) << std::right << (int)metadata["audio"]["init"].asString()[i];
      }
      Result << std::dec;
      Result << "\" SamplingRate=\"" << metadata["audio"]["rate"].asInt()
          << "\" Channels=\"2\" BitsPerSample=\"16\" PacketSize=\"4\" AudioTag=\"255\" FourCC=\"AACL\"  />\n";
      for (int i = 0; i < metadata["keytime"].size() - 1; i++){
        Result << "    <c ";
        if (i == 0){
          Result << "t=\"0\" ";
        }
        Result << "d=\"" << 10000 * (metadata["keytime"][i + 1].asInt() - metadata["keytime"][i].asInt()) << "\" />\n";
      }
      Result << "    <c d=\"" << 10000 * (metadata["lastms"].asInt() - metadata["keytime"][metadata["keytime"].size() - 1].asInt()) << "\" />\n";
      Result << "   </StreamIndex>\n";
    }
    if (metadata.isMember("video")){
      Result << "  <StreamIndex Type=\"video\" QualityLevels=\"1\" Name=\"video\" Chunks=\"" << metadata["keytime"].size()
          << "\" Url=\"Q({bitrate})/V({start time})\" MaxWidth=\"" << metadata["video"]["width"].asInt() << "\" MaxHeight=\""
          << metadata["video"]["height"].asInt() << "\" DisplayWidth=\"" << metadata["video"]["width"].asInt() << "\" DisplayHeight=\""
          << metadata["video"]["height"].asInt() << "\">\n";
      Result << "    <QualityLevel Index=\"0\" Bitrate=\"" << metadata["video"]["bps"].asInt() * 8 << "\" CodecPrivateData=\"";
      MP4::AVCC avccbox;
      avccbox.setPayload(metadata["video"]["init"].asString());
      std::string tmpString = avccbox.asAnnexB();
      Result << std::hex;
      for (int i = 0; i < tmpString.size(); i++){
        Result << std::setfill('0') << std::setw(2) << std::right << (int)tmpString[i];
      }
      Result << std::dec;
      Result << "\" MaxWidth=\"" << metadata["video"]["width"].asInt() << "\" MaxHeight=\"" << metadata["video"]["height"].asInt()
          << "\" FourCC=\"AVC1\" />\n";
      for (int i = 0; i < metadata["keytime"].size() - 1; i++){
        Result << "    <c ";
        if (i == 0){
          Result << "t=\"0\" ";
        }
        Result << "d=\"" << 10000 * (metadata["keytime"][i + 1].asInt() - metadata["keytime"][i].asInt()) << "\" />\n";
      }
      Result << "    <c d=\"" << 10000 * (metadata["lastms"].asInt() - metadata["keytime"][metadata["keytime"].size() - 1].asInt()) << "\" />\n";
      Result << "   </StreamIndex>\n";
    }
    Result << "</SmoothStreamingMedia>\n";

#if DEBUG >= 8
    std::cerr << "Sending this manifest:" << std::endl << Result << std::endl;
#endif
    return Result.str();
  } //BuildManifest

  ///\brief Builds a bootstrap for use in HTTP Dynamic streaming.
  ///\param streamName The name of the stream.
  ///\param metadata The current metadata, used to generate the index.
  ///\param fragnum The index of the current fragment
  ///\return The generated bootstrap.
  std::string dynamicBootstrap(std::string & streamName, JSON::Value & metadata, int fragnum = 0){
    std::string empty;

    MP4::ASRT asrt;
    asrt.setUpdate(false);
    asrt.setVersion(1);
    //asrt.setQualityEntry(empty, 0);
    if (metadata.isMember("live")){
      asrt.setSegmentRun(1, 4294967295ul, 0);
    }else{
      asrt.setSegmentRun(1, metadata["keytime"].size(), 0);
    }

    MP4::AFRT afrt;
    afrt.setUpdate(false);
    afrt.setVersion(1);
    afrt.setTimeScale(1000);
    //afrt.setQualityEntry(empty, 0);
    MP4::afrt_runtable afrtrun;
    if (metadata.isMember("live")){
      // restrict data to last 2 fragments, unless an earlier fragment was expressly requested.
      int count = 0;
      unsigned int begin = std::max(0u, metadata["keynum"].size() - 3);
      while (begin > 0 && fragnum && metadata["keynum"][begin].asInt() > fragnum){
        begin--;
      }
      for (int i = begin; i < metadata["keynum"].size(); i++){
        afrtrun.firstFragment = metadata["keynum"][i].asInt();
        afrtrun.firstTimestamp = metadata["keytime"][i].asInt();
        afrtrun.duration = metadata["keylen"][i].asInt();
        afrt.setFragmentRun(afrtrun, count++);
      }
    }else{
      for (int i = 0; i < metadata["keynum"].size(); i++){
        afrtrun.firstFragment = metadata["keynum"][i].asInt();
        afrtrun.firstTimestamp = metadata["keytime"][i].asInt();
        afrtrun.duration = metadata["keylen"][i].asInt();
        afrt.setFragmentRun(afrtrun, i);
      }
    }

    MP4::ABST abst;
    abst.setVersion(1);
    abst.setBootstrapinfoVersion(1);
    abst.setProfile(0);
    abst.setUpdate(false);
    abst.setTimeScale(1000);
    abst.setLive(false);
    abst.setCurrentMediaTime(metadata["lastms"].asInt());
    abst.setSmpteTimeCodeOffset(0);
    abst.setMovieIdentifier(streamName);
    abst.setSegmentRunTable(asrt, 0);
    abst.setFragmentRunTable(afrt, 0);

#if DEBUG >= 8
    std::cout << "Sending bootstrap:" << std::endl << abst.toPrettyString(0) << std::endl;
#endif
    return std::string((char*)abst.asBox(), (int)abst.boxedSize());
  }

/// Adds a single DTSC packet to the stream, updating the internal metadata if needed.
void DTSC::Stream::addPacket(JSON::Value & newPack) {
  livePos newPos;
  newPos.trackID = newPack["trackid"].asInt();
  newPos.seekTime = newPack["time"].asInt();
  if (!metadata.tracks.count(newPos.trackID) && (!newPack.isMember("mark") || newPack["mark"].asStringRef() != "pause")) {
    return;
  }
  if (buffercount > 1 && metadata.tracks[newPos.trackID].keys.size() > 1 && newPos.seekTime < (long long unsigned int)metadata.tracks[newPos.trackID].keys.rbegin()->getTime()) {
    resetStream();
  }
  while (buffers.count(newPos) > 0) {
    newPos.seekTime++;
  }
  while (buffercount == 1 && buffers.size() > 0) {
    cutOneBuffer();
  }
  buffers[newPos] = newPack;
  datapointertype = INVALID;
  std::string tmp = "";
  if (newPack.isMember("trackid") && newPack["trackid"].asInt() > 0) {
    tmp = metadata.tracks[newPack["trackid"].asInt()].type;
  }
  if (newPack.isMember("datatype")) {
    tmp = newPack["datatype"].asStringRef();
  }
  if (tmp == "video") {
    datapointertype = VIDEO;
  }
  if (tmp == "audio") {
    datapointertype = AUDIO;
  }
  if (tmp == "meta") {
    datapointertype = META;
  }
  if (tmp == "pause_marker" || (newPack.isMember("mark") && newPack["mark"].asStringRef() == "pause")) {
    datapointertype = PAUSEMARK;
  }
  if (buffercount > 1) {
    metadata.update(newPack);
    if (newPack.isMember("keyframe") || (long long unsigned int)metadata.tracks[newPos.trackID].keys.rbegin()->getTime() == newPos.seekTime) {
      keyframes[newPos.trackID].insert(newPos);
    }
    metadata.live = true;
    //throw away buffers if buffer time is met
    int trid = buffers.begin()->first.trackID;
    int firstTime = buffers.begin()->first.seekTime;
    int lastTime = buffers.rbegin()->first.seekTime - buffertime;
    while ((!metadata.tracks[trid].keys.size() && firstTime < lastTime) || (metadata.tracks[trid].keys.size() && metadata.tracks[trid].keys.rbegin()->getTime() < lastTime) || (metadata.tracks[trid].keys.size() > 2 && metadata.tracks[trid].keys.rbegin()->getTime() - firstTime > buffertime)) {
      cutOneBuffer();
      trid = buffers.begin()->first.trackID;
      firstTime = buffers.begin()->first.seekTime;
    }
    metadata.bufferWindow = buffertime;
  }

}

///\brief Parse a given stream configuration.
///\param in The requested configuration.
///\param out The new configuration after parsing.
void CheckStreams(JSON::Value & in, JSON::Value & out) {
    bool changed = false;

    //check for new streams and updates
    for (JSON::ObjIter jit = in.ObjBegin(); jit != in.ObjEnd(); jit++) {
        if (out.isMember(jit->first)) {
            if ( !streamsEqual(jit->second, out[jit->first])) {
                Log("STRM", std::string("Updated stream ") + jit->first);
                Util::Procs::Stop(jit->first);
                startStream(jit->first, jit->second);
            }
        } else {
            Log("STRM", std::string("New stream ") + jit->first);
            startStream(jit->first, jit->second);
        }
    }

    //check for deleted streams
    for (JSON::ObjIter jit = out.ObjBegin(); jit != out.ObjEnd(); jit++) {
        if ( !in.isMember(jit->first)) {
            Log("STRM", std::string("Deleted stream ") + jit->first);
            Util::Procs::Stop(jit->first);
        }
    }

    //update old-style configurations to new-style
    for (JSON::ObjIter jit = in.ObjBegin(); jit != in.ObjEnd(); jit++) {
        if (jit->second.isMember("channel")) {
            if ( !jit->second.isMember("source")) {
                jit->second["source"] = jit->second["channel"]["URL"];
            }
            jit->second.removeMember("channel");
        }
        if (jit->second.isMember("preset")) {
            jit->second.removeMember("preset");
        }
    }

    out = in;
}

 void CheckStreams(JSON::Value & in, JSON::Value & out){
   bool changed = false;
   for (JSON::ObjIter jit = in.ObjBegin(); jit != in.ObjEnd(); jit++){
     if (out.isMember(jit->first)){
       if ( !streamsEqual(jit->second, out[jit->first])){
         Log("STRM", std::string("Updated stream ") + jit->first);
         Util::Procs::Stop(jit->first);
         startStream(jit->first, jit->second);
       }
     }else{
       Log("STRM", std::string("New stream ") + jit->first);
       startStream(jit->first, jit->second);
     }
   }
   for (JSON::ObjIter jit = out.ObjBegin(); jit != out.ObjEnd(); jit++){
     if ( !in.isMember(jit->first)){
       Log("STRM", std::string("Deleted stream ") + jit->first);
       Util::Procs::Stop(jit->first);
     }
   }
   out = in;
 }

  ///\brief Builds an index file for HTTP Dynamic streaming.
  ///\param streamName The name of the stream.
  ///\param metadata The current metadata, used to generate the index.
  ///\return The index file for HTTP Dynamic Streaming.
  std::string dynamicIndex(std::string & streamName, JSON::Value & metadata){
    std::string Result;
    if (metadata.isMember("vod")){
      Result =
          "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
              "<manifest xmlns=\"http://ns.adobe.com/f4m/1.0\">\n"
              "<id>" + streamName + "</id>\n"
              "<width>" + metadata["video"]["width"].asString() + "</width>\n"
              "<height>" + metadata["video"]["height"].asString() + "</height>\n"
              "<duration>" + metadata["length"].asString() + ".000</duration>\n"
              "<mimeType>video/mp4</mimeType>\n"
              "<streamType>recorded</streamType>\n"
              "<deliveryType>streaming</deliveryType>\n"
              "<bootstrapInfo profile=\"named\" id=\"bootstrap1\">" + Base64::encode(dynamicBootstrap(streamName, metadata)) + "</bootstrapInfo>\n"
              "<media streamId=\"1\" bootstrapInfoId=\"bootstrap1\" url=\"" + streamName + "/\">\n"
              "<metadata>AgAKb25NZXRhRGF0YQMAAAk=</metadata>\n"
              "</media>\n"
              "</manifest>\n";
    }else{
      Result =
          "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
              "<manifest xmlns=\"http://ns.adobe.com/f4m/1.0\">\n"
              "<id>" + streamName + "</id>\n"
              "<dvrInfo windowDuration=\"" + metadata["buffer_window"].asString().substr(0, metadata["buffer_window"].asString().size() - 3) + "\"></dvrInfo>"
              "<mimeType>video/mp4</mimeType>\n"
              "<streamType>live</streamType>\n"
              "<deliveryType>streaming</deliveryType>\n"
              "<media url=\"" + streamName + "/\">\n"
              "<metadata>AgAKb25NZXRhRGF0YQMAAAk=</metadata>\n"
              "</media>\n"
              "<bootstrapInfo profile=\"named\" url=\"" + streamName + ".abst\" />\n"
              "</manifest>\n";
    }
#if DEBUG >= 8
    std::cerr << "Sending this manifest:" << std::endl << Result << std::endl;
#endif
    return Result;
  } //BuildManifest

std::pair<bool, Json::Value>
ripplePathFind(RippleLineCache::pointer const& cache, 
  RippleAddress const& raSrc, RippleAddress const& raDst,
    STAmount const& saDstAmount, Ledger::pointer const& lpLedger, 
      Json::Value const& jvSrcCurrencies, 
        boost::optional<Json::Value> const& contextPaths, int const& level)
{
    FindPaths fp(
        cache,
        raSrc.getAccountID(),
        raDst.getAccountID(),
        saDstAmount,
        level,
        4); // max paths

    Json::Value jvArray(Json::arrayValue);

    for (unsigned int i = 0; i != jvSrcCurrencies.size(); ++i)
    {
        Json::Value jvSource = jvSrcCurrencies[i];

        Currency uSrcCurrencyID;
        Account uSrcIssuerID;

        if (!jvSource.isObject())
            return std::make_pair(false, rpcError(rpcINVALID_PARAMS));

        // Parse mandatory currency.
        if (!jvSource.isMember(jss::currency)
            || !to_currency(
            uSrcCurrencyID, jvSource[jss::currency].asString()))
        {
            WriteLog(lsINFO, RPCHandler) << "Bad currency.";

            return std::make_pair(false, rpcError(rpcSRC_CUR_MALFORMED));
        }

        if (uSrcCurrencyID.isNonZero())
            uSrcIssuerID = raSrc.getAccountID();

        // Parse optional issuer.
        if (jvSource.isMember(jss::issuer) &&
            ((!jvSource[jss::issuer].isString() ||
            !to_issuer(uSrcIssuerID, jvSource[jss::issuer].asString())) ||
            (uSrcIssuerID.isZero() != uSrcCurrencyID.isZero()) ||
            (noAccount() == uSrcIssuerID)))
        {
            WriteLog(lsINFO, RPCHandler) << "Bad issuer.";
            return std::make_pair(false, rpcError(rpcSRC_ISR_MALFORMED));
        }

        STPathSet spsComputed;
        if (contextPaths)
        {
            Json::Value pathSet = Json::objectValue;
            pathSet[jss::Paths] = contextPaths.get();
            STParsedJSONObject paths("pathSet", pathSet);
            if (paths.object.get() == nullptr)
                return std::make_pair(false, paths.error);
            else
            {
                spsComputed = paths.object.get()->getFieldPathSet(sfPaths);
                WriteLog(lsTRACE, RPCHandler) << "ripple_path_find: Paths: " <<
                    spsComputed.getJson(0);
            }
        }

        STPath fullLiquidityPath;
        auto valid = fp.findPathsForIssue(
            { uSrcCurrencyID, uSrcIssuerID },
            spsComputed,
            fullLiquidityPath);
        if (!valid)
        {
            WriteLog(lsWARNING, RPCHandler)
                << "ripple_path_find: No paths found.";
        }
        else
        {
            auto& issuer =
                isXRP(uSrcIssuerID) ?
                isXRP(uSrcCurrencyID) ? // Default to source account.
                xrpAccount() :
                Account(raSrc.getAccountID())
                : uSrcIssuerID;            // Use specifed issuer.

            STAmount saMaxAmount({ uSrcCurrencyID, issuer }, 1);
            saMaxAmount.negate();

            LedgerEntrySet lesSandbox(lpLedger, tapNONE);

            auto rc = path::RippleCalc::rippleCalculate(
                lesSandbox,
                saMaxAmount,            // --> Amount to send is unlimited
                //     to get an estimate.
                saDstAmount,            // --> Amount to deliver.
                raDst.getAccountID(),  // --> Account to deliver to.
                raSrc.getAccountID(),  // --> Account sending from.
                spsComputed);           // --> Path set.

//.........这里部分代码省略.........

/// This takes a "totals" request, and fills in the response data.
/// 
/// \api
/// `"totals"` requests take the form of:
/// ~~~~~~~~~~~~~~~{.js}
/// {
///   //array of streamnames to accumulate. Empty means all.
///   "streams": ["streama", "streamb", "streamc"],
///   //array of protocols to accumulate. Empty means all.
///   "protocols": ["HLS", "HSS"],
///   //list of requested data fields. Empty means all.
///   "fields": ["clients", "downbps", "upbps"],
///   //unix timestamp of data start. Negative means X seconds ago. Empty means earliest available.
///   "start": 1234567
///   //unix timestamp of data end. Negative means X seconds ago. Empty means latest available (usually 'now').
///   "end": 1234567
/// }
/// ~~~~~~~~~~~~~~~
/// and are responded to as:
/// ~~~~~~~~~~~~~~~{.js}
/// {
///   //unix timestamp of start of data. Always present, always absolute.
///   "start": 1234567,
///   //unix timestamp of end of data. Always present, always absolute.
///   "end": 1234567,
///   //array of actually represented data fields.
///   "fields": [...]
///   // Time between datapoints. Here: 10 points with each 5 seconds afterwards, followed by 10 points with each 1 second afterwards.
///   "interval": [[10, 5], [10, 1]],
///   //the data for the times as mentioned in the "interval" field, in the order they appear in the "fields" field.
///   "data": [[x, y, z], [x, y, z], [x, y, z]]
/// }
/// ~~~~~~~~~~~~~~~
void Controller::fillTotals(JSON::Value & req, JSON::Value & rep){
  //first, figure out the timestamps wanted
  long long int reqStart = 0;
  long long int reqEnd = 0;
  if (req.isMember("start")){
    reqStart = req["start"].asInt();
  }
  if (req.isMember("end")){
    reqEnd = req["end"].asInt();
  }
  //add the current time, if negative or zero.
  if (reqStart < 0){
    reqStart += Util::epoch();
  }
  if (reqStart == 0){
    reqStart = Util::epoch() - STAT_CUTOFF;
  }
  if (reqEnd <= 0){
    reqEnd += Util::epoch();
  }
  //at this point, reqStart and reqEnd are the absolute timestamp.
  
  unsigned int fields = 0;
  //next, figure out the fields wanted
  if (req.isMember("fields") && req["fields"].size()){
    for (JSON::ArrIter it = req["fields"].ArrBegin(); it != req["fields"].ArrEnd(); it++){
      if ((*it).asStringRef() == "clients"){fields |= STAT_TOT_CLIENTS;}
      if ((*it).asStringRef() == "downbps"){fields |= STAT_TOT_BPS_DOWN;}
      if ((*it).asStringRef() == "upbps"){fields |= STAT_TOT_BPS_UP;}
    }
  }
  //select all, if none selected
  if (!fields){fields = STAT_TOT_ALL;}
  //figure out what streams are wanted
  std::set<std::string> streams;
  if (req.isMember("streams") && req["streams"].size()){
    for (JSON::ArrIter it = req["streams"].ArrBegin(); it != req["streams"].ArrEnd(); it++){
      streams.insert((*it).asStringRef());
    }
  }
  //figure out what protocols are wanted
  std::set<std::string> protos;
  if (req.isMember("protocols") && req["protocols"].size()){
    for (JSON::ArrIter it = req["protocols"].ArrBegin(); it != req["protocols"].ArrEnd(); it++){
      protos.insert((*it).asStringRef());
    }
  }
  //output the selected fields
  rep["fields"].null();
  if (fields & STAT_TOT_CLIENTS){rep["fields"].append("clients");}
  if (fields & STAT_TOT_BPS_DOWN){rep["fields"].append("downbps");}
  if (fields & STAT_TOT_BPS_UP){rep["fields"].append("upbps");}
  //start data collection
  std::map<long long unsigned int, totalsData> totalsCount;
  //start with current connections
  if (curConns.size()){
    for (std::map<unsigned long, statStorage>::iterator it = curConns.begin(); it != curConns.end(); it++){
      //data present and wanted? insert it!
      if (it->second.log.size() > 1 && (it->second.log.rbegin()->first >= (unsigned long long)reqStart || it->second.log.begin()->first <= (unsigned long long)reqEnd) && (!streams.size() || streams.count(it->second.streamName)) && (!protos.size() || protos.count(it->second.connector))){
        //keep track of the previous and current, starting at position 2 so there's always a delta down/up value.
        std::map<unsigned long long, statLog>::iterator pi = it->second.log.begin();
        for (std::map<unsigned long long, statLog>::iterator li = ++(it->second.log.begin()); li != it->second.log.end(); li++){
          if (li->first < (unsigned long long)reqStart || pi->first > (unsigned long long)reqEnd){
            continue;
          }
          unsigned int diff = li->first - pi->first;
          unsigned int ddown = (li->second.down - pi->second.down) / diff;
//.........这里部分代码省略.........

// VFALCO TODO This function should take a reference to the params, modify it
//             as needed, and then there should be a separate function to
//             submit the transaction.
//
Json::Value
transactionSign (
    Json::Value params,
    bool bSubmit,
    bool bFailHard,
    RPCDetail::LedgerFacade& ledgerFacade,
    Role role)
{
    Json::Value jvResult;

    WriteLog (lsDEBUG, RPCHandler) << "transactionSign: " << params;

    if (! params.isMember ("secret"))
        return RPC::missing_field_error ("secret");

    if (! params.isMember ("tx_json"))
        return RPC::missing_field_error ("tx_json");

    RippleAddress naSeed;

    if (! naSeed.setSeedGeneric (params["secret"].asString ()))
        return RPC::make_error (rpcBAD_SEED,
            RPC::invalid_field_message ("secret"));

    Json::Value& tx_json (params ["tx_json"]);

    if (! tx_json.isObject ())
        return RPC::object_field_error ("tx_json");

    if (! tx_json.isMember ("TransactionType"))
        return RPC::missing_field_error ("tx_json.TransactionType");

    std::string const sType = tx_json ["TransactionType"].asString ();

    if (! tx_json.isMember ("Account"))
        return RPC::make_error (rpcSRC_ACT_MISSING,
            RPC::missing_field_message ("tx_json.Account"));

    RippleAddress raSrcAddressID;

    if (! raSrcAddressID.setAccountID (tx_json["Account"].asString ()))
        return RPC::make_error (rpcSRC_ACT_MALFORMED,
            RPC::invalid_field_message ("tx_json.Account"));

    bool const verify = !(params.isMember ("offline")
                          && params["offline"].asBool ());

    if (!tx_json.isMember ("Sequence") && !verify)
        return RPC::missing_field_error ("tx_json.Sequence");

    // Check for current ledger.
    if (verify && !getConfig ().RUN_STANDALONE &&
        (ledgerFacade.getValidatedLedgerAge () > 120))
        return rpcError (rpcNO_CURRENT);

    // Check for load.
    if (ledgerFacade.isLoadedCluster () && (role != Role::ADMIN))
        return rpcError (rpcTOO_BUSY);

    ledgerFacade.snapshotAccountState (raSrcAddressID);

    if (verify) {
        if (!ledgerFacade.isValidAccount ())
        {
            // If not offline and did not find account, error.
            WriteLog (lsDEBUG, RPCHandler)
                << "transactionSign: Failed to find source account "
                << "in current ledger: "
                << raSrcAddressID.humanAccountID ();

            return rpcError (rpcSRC_ACT_NOT_FOUND);
        }
    }

    autofill_fee (params, ledgerFacade, jvResult, role == Role::ADMIN);
    if (RPC::contains_error (jvResult))
        return jvResult;

    if ("Payment" == sType)
    {
        auto e = signPayment(
            params,
            tx_json,
            raSrcAddressID,
            ledgerFacade,
            role);
        if (contains_error(e))
            return e;
    }

    if (!tx_json.isMember ("Sequence"))
        tx_json["Sequence"] = ledgerFacade.getSeq ();

    if (!tx_json.isMember ("Flags"))
        tx_json["Flags"] = tfFullyCanonicalSig;

//.........这里部分代码省略.........

Animation AnimationBuilder::spawnJobs(std::string &err, int maxTime){
	FractalLogger::getSingleton()->write(id, "Fractal Is Animated: Note Detailed progress not reported.\n");
	FractalLogger::getSingleton()->write(id, "Building Animation Data...\n");
	unsigned long genStart = time(NULL);

	Animation anim;
	anim.baseID = id;
	anim.timeStarted = genStart;
	if(maxTime > 0){
		anim.timeMustStop = time(NULL) + maxTime;
	}else{
		anim.timeMustStop = 0;
	}

	if(!p->getJson().isMember("anim") || !p->getJson()["anim"].isObject()){
		err += "No JSON Object Anim\n";
		return anim;
	}
	Json::Value animData = p->getJson()["anim"];
	p->getJson()["anim"] = Json::ValueType::nullValue;
	p->getJson()["basic"]["anim"]["selected"] = "no";
	if(!animData.isMember("frames") || !animData["frames"].isInt()){
		err += "anim.frames does not exist or non-int\n";
		return anim;
	}
	if(animData["frames"].asInt() < 1){
		err += "anim.frames out of bounds\n";
		return anim;
	}
	anim.frames = animData["frames"].asInt();

	if(!animData.isMember("fps") || !animData["fps"].isInt()){
		err += "anim.fps does not exist or non-int\n";
		return anim;
	}
	if(animData["fps"].asInt() < 1){
		err += "anim.fps out of bounds\n";
		return anim;
	}
	anim.fps = animData["fps"].asInt();

	if(!animData.isMember("keyframes") || !animData["keyframes"].isArray()){
		err += "anim.keyframes does not exist or non-array\n";
		return anim;
	}
	if(!SchemaManager::getSingleton()->validateAnimationParam(animData["keyframes"], anim.frames, err)){
		err += "Keyframe Validation Reported Error(s)!\n";
		return anim;
	}

	// first job will render frame one -- we need to render all others
	ParamsFile pnew(p->getJson().toStyledString(), false); // copy json data to interpolate
	buildAnimatedParams(animData, &pnew);

	for(int i=2; i<=anim.frames; i++){
		pnew.getJson()["internal"]["thisframe"] = i;
		std::string savepath = DirectoryManager::getSingleton()->getRootDirectory()+"renders/";
		savepath = concat(savepath, anim.baseID) + concat(".frame.", i) + ".job";

		interpolateFrame(pnew, i);

		pnew.saveToFile(savepath);
		anim.frameQueue.push_back(savepath);
	}

	p->getJson()["internal"]["thisframe"] = 1;
	p->getJson()["anim"] = animData;
	p->getJson()["basic"]["anim"]["selected"] = "yes"; // restore it :D

	// finally revalidate the parameters in case we messed up
	err += SchemaManager::getSingleton()->validateParamaters(p->getJson());

	if(err == ""){
		genStart = time(NULL) - genStart;
		FractalLogger::getSingleton()->write(id,
				concat("Animation Data Built: Took ", (float)genStart/1000)+" seconds!\n");
	}
	return anim;
}

/// This takes a "clients" request, and fills in the response data.
/// 
/// \api
/// `"client"` requests take the form of:
/// ~~~~~~~~~~~~~~~{.js}
/// {
///   //array of streamnames to accumulate. Empty means all.
///   "streams": ["streama", "streamb", "streamc"],
///   //array of protocols to accumulate. Empty means all.
///   "protocols": ["HLS", "HSS"],
///   //list of requested data fields. Empty means all.
///   "fields": ["host", "stream", "protocol", "conntime", "position", "down", "up", "downbps", "upbps"],
///   //unix timestamp of measuring moment. Negative means X seconds ago. Empty means now.
///   "time": 1234567
/// }
/// ~~~~~~~~~~~~~~~
/// and are responded to as:
/// ~~~~~~~~~~~~~~~{.js}
/// {
///   //unix timestamp of data. Always present, always absolute.
///   "time": 1234567,
///   //array of actually represented data fields.
///   "fields": [...]
///   //for all clients, the data in the order they appear in the "fields" field.
///   "data": [[x, y, z], [x, y, z], [x, y, z]]
/// }
/// ~~~~~~~~~~~~~~~
void Controller::fillClients(JSON::Value & req, JSON::Value & rep){
  //first, figure out the timestamp wanted
  long long int reqTime = 0;
  if (req.isMember("time")){
    reqTime = req["time"].asInt();
  }
  //to make sure no nasty timing business takes place, we store the case "now" as a bool.
  bool now = (reqTime == 0);
  //add the current time, if negative or zero.
  if (reqTime <= 0){
    reqTime += Util::epoch();
  }
  //at this point, reqTime is the absolute timestamp.
  rep["time"] = reqTime; //fill the absolute timestamp
  
  unsigned int fields = 0;
  //next, figure out the fields wanted
  if (req.isMember("fields") && req["fields"].size()){
    for (JSON::ArrIter it = req["fields"].ArrBegin(); it != req["fields"].ArrEnd(); it++){
      if ((*it).asStringRef() == "host"){fields |= STAT_CLI_HOST;}
      if ((*it).asStringRef() == "stream"){fields |= STAT_CLI_STREAM;}
      if ((*it).asStringRef() == "protocol"){fields |= STAT_CLI_PROTO;}
      if ((*it).asStringRef() == "conntime"){fields |= STAT_CLI_CONNTIME;}
      if ((*it).asStringRef() == "position"){fields |= STAT_CLI_POSITION;}
      if ((*it).asStringRef() == "down"){fields |= STAT_CLI_DOWN;}
      if ((*it).asStringRef() == "up"){fields |= STAT_CLI_UP;}
      if ((*it).asStringRef() == "downbps"){fields |= STAT_CLI_BPS_DOWN;}
      if ((*it).asStringRef() == "upbps"){fields |= STAT_CLI_BPS_UP;}
    }
  }
  //select all, if none selected
  if (!fields){fields = STAT_CLI_ALL;}
  //figure out what streams are wanted
  std::set<std::string> streams;
  if (req.isMember("streams") && req["streams"].size()){
    for (JSON::ArrIter it = req["streams"].ArrBegin(); it != req["streams"].ArrEnd(); it++){
      streams.insert((*it).asStringRef());
    }
  }
  //figure out what protocols are wanted
  std::set<std::string> protos;
  if (req.isMember("protocols") && req["protocols"].size()){
    for (JSON::ArrIter it = req["protocols"].ArrBegin(); it != req["protocols"].ArrEnd(); it++){
      protos.insert((*it).asStringRef());
    }
  }
  //output the selected fields
  rep["fields"].null();
  if (fields & STAT_CLI_HOST){rep["fields"].append("host");}
  if (fields & STAT_CLI_STREAM){rep["fields"].append("stream");}
  if (fields & STAT_CLI_PROTO){rep["fields"].append("protocol");}
  if (fields & STAT_CLI_CONNTIME){rep["fields"].append("conntime");}
  if (fields & STAT_CLI_POSITION){rep["fields"].append("position");}
  if (fields & STAT_CLI_DOWN){rep["fields"].append("down");}
  if (fields & STAT_CLI_UP){rep["fields"].append("up");}
  if (fields & STAT_CLI_BPS_DOWN){rep["fields"].append("downbps");}
  if (fields & STAT_CLI_BPS_UP){rep["fields"].append("upbps");}
  //output the data itself
  rep["data"].null();
  //start with current connections
  if (curConns.size()){
    for (std::map<unsigned long, statStorage>::iterator it = curConns.begin(); it != curConns.end(); it++){
      unsigned long long time = reqTime;
      if (now){time = it->second.log.rbegin()->first;}
      //data present and wanted? insert it!
      if ((it->second.log.rbegin()->first >= time && it->second.log.begin()->first <= time) && (!streams.size() || streams.count(it->second.streamName)) && (!protos.size() || protos.count(it->second.connector))){
        JSON::Value d;
        std::map<unsigned long long, statLog>::iterator statRef = it->second.log.lower_bound(time);
        std::map<unsigned long long, statLog>::iterator prevRef = --(it->second.log.lower_bound(time));
        if (fields & STAT_CLI_HOST){d.append(it->second.host);}
        if (fields & STAT_CLI_STREAM){d.append(it->second.streamName);}
        if (fields & STAT_CLI_PROTO){d.append(it->second.connector);}
        if (fields & STAT_CLI_CONNTIME){d.append((long long)statRef->second.time);}
//.........这里部分代码省略.........

  int DTSCMerge(int argc, char ** argv){
    Util::Config conf = Util::Config(argv[0], PACKAGE_VERSION);
    conf.addOption("output", JSON::fromString("{\"arg_num\":1, \"arg\":\"string\", \"help\":\"Filename of the output file.\"}"));
    conf.addOption("input", JSON::fromString("{\"arg_num\":2, \"arg\":\"string\", \"help\":\"Filename of the first input file.\"}"));
    conf.addOption("[additional_inputs ...]", JSON::fromString("{\"arg_num\":3, \"default\":\"\", \"arg\":\"string\", \"help\":\"Filenames of any number of aditional inputs.\"}"));
    conf.parseArgs(argc, argv);

    DTSC::File outFile;
    JSON::Value meta;
    DTSC::Meta newMeta;
    std::map<std::string,std::map<int, int> > trackMapping;

    bool fullSort = true;
    std::map<std::string, DTSC::File> inFiles;
    std::map<std::string, DTSC::Meta> metaData;
    std::string outFileName = argv[1];
    std::string tmpFileName;
    for (int i = 2; i < argc; i++){
      tmpFileName = argv[i];
      if (tmpFileName == outFileName){
        fullSort = false;
      }else{
        DTSC::File F(tmpFileName);
        if (!F.getMeta().isFixed()){
          std::cerr << tmpFileName << " has not been run through DTSCFix yet." << std::endl;
          return 1;
        }
        inFiles[tmpFileName] = F;
      }
    }

    if (fullSort){
      outFile = DTSC::File(outFileName, true);
    }else{
      outFile = DTSC::File(outFileName);
      if ( !outFile.getMeta().isFixed()){
        std::cerr << outFileName << " has not been run through DTSCFix yet." << std::endl;
        return 1;
      }
      meta = outFile.getMeta().toJSON();
      newMeta = DTSC::Meta(meta);
      if (meta.isMember("tracks") && meta["tracks"].size() > 0){
        for (JSON::ObjIter trackIt = meta["tracks"].ObjBegin(); trackIt != meta["tracks"].ObjEnd(); trackIt++){
          int nxtMap = getNextFree(trackMapping);
          trackMapping[argv[1]].insert(std::pair<int,int>(trackIt->second["trackid"].asInt(),nxtMap));
          newMeta.tracks[nxtMap].trackID = nxtMap;
        }
      }
    }

    std::multimap<int,keyframeInfo> allSorted;

    for (std::map<std::string,DTSC::File>::iterator it = inFiles.begin(); it != inFiles.end(); it++){
      DTSC::Meta tmpMeta(it->second.getMeta());
      for (std::map<int,DTSC::Track>::iterator trackIt = tmpMeta.tracks.begin(); trackIt != tmpMeta.tracks.end(); trackIt++){
        long long int oldID = trackIt->first;
        long long int mappedID = getNextFree(trackMapping);
        trackMapping[it->first].insert(std::pair<int,int>(oldID,mappedID));
        for (std::deque<DTSC::Key>::iterator keyIt = trackIt->second.keys.begin(); keyIt != trackIt->second.keys.end(); keyIt++){
          keyframeInfo tmpInfo;
          tmpInfo.fileName = it->first;
          tmpInfo.trackID = oldID;
          tmpInfo.keyTime = keyIt->getTime();
          tmpInfo.keyBPos = keyIt->getBpos();
          tmpInfo.keyNum = keyIt->getNumber();
          tmpInfo.keyLen = keyIt->getLength();
          if ((keyIt + 1) != trackIt->second.keys.end()){
            tmpInfo.endBPos = (keyIt + 1)->getBpos();
          }else{
            tmpInfo.endBPos = it->second.getBytePosEOF();
          }
          allSorted.insert(std::pair<int,keyframeInfo>(keyIt->getTime(),tmpInfo));
        }
        newMeta.tracks[mappedID] = trackIt->second;
        newMeta.tracks[mappedID].trackID = mappedID;
        newMeta.tracks[mappedID].reset();
      }
    }

    if (fullSort){
      meta.null();
      meta["moreheader"] = 0ll;
      std::string tmpWrite = meta.toPacked();
      outFile.writeHeader(tmpWrite,true);
    }

    std::set<int> trackSelector;
    for (std::multimap<int,keyframeInfo>::iterator sortIt = allSorted.begin(); sortIt != allSorted.end(); sortIt++){
      trackSelector.clear();
      trackSelector.insert(sortIt->second.trackID);
      inFiles[sortIt->second.fileName].selectTracks(trackSelector);
      inFiles[sortIt->second.fileName].seek_time(sortIt->second.keyTime);
      inFiles[sortIt->second.fileName].seekNext();
      while (inFiles[sortIt->second.fileName].getPacket() && inFiles[sortIt->second.fileName].getBytePos() <= sortIt->second.endBPos && !inFiles[sortIt->second.fileName].reachedEOF()){
        if (inFiles[sortIt->second.fileName].getPacket().getTrackId() == sortIt->second.trackID){
          JSON::Value tmp = inFiles[sortIt->second.fileName].getPacket().toJSON();
          tmp["trackid"] = trackMapping[sortIt->second.fileName][sortIt->second.trackID];
          outFile.writePacket(tmp);
        }
        inFiles[sortIt->second.fileName].seekNext();
//.........这里部分代码省略.........

  ///\brief Reads a DTSC file and attempts to fix the metadata in it.
  ///\param conf The current configuration of the program.
  ///\return The return code for the fixed program.
  int DTSCFix(Util::Config & conf){
    DTSC::File F(conf.getString("filename"));
    F.seek_bpos(0);
    F.parseNext();
    JSON::Value oriheader = F.getJSON();
    JSON::Value meta = F.getMeta();
    JSON::Value pack;

    if ( !oriheader.isMember("moreheader")){
      std::cerr << "This file is too old to fix - please reconvert." << std::endl;
      return 1;
    }
    if (DTSC::isFixed(meta) && !conf.getBool("force")){
      std::cerr << "This file was already fixed or doesn't need fixing - cancelling." << std::endl;
      return 0;
    }
    meta.removeMember("isFixed");
    meta.removeMember("keytime");
    meta.removeMember("keybpos");
    meta.removeMember("moreheader");

    std::map<std::string,int> trackIDs;
    std::map<std::string,HeaderEntryDTSC> trackData;


    long long int nowpack = 0;
    
    std::string currentID;
    int nextFreeID = 0;

    for (JSON::ObjIter it = meta["tracks"].ObjBegin(); it != meta["tracks"].ObjEnd(); it++){
      trackIDs.insert(std::pair<std::string,int>(it->first,it->second["trackid"].asInt()));
      trackData[it->first].type = it->second["type"].asString();
      trackData[it->first].trackID = it->second["trackid"].asInt();
      trackData[it->first].type = it->second["type"].asString();
      if (it->second["trackid"].asInt() >= nextFreeID){
        nextFreeID = it->second["trackid"].asInt() + 1;
      }
      it->second.removeMember("keylen");
      it->second.removeMember("keybpos");
      it->second.removeMember("frags");
      it->second.removeMember("keytime");
      it->second.removeMember("keynum");
      it->second.removeMember("keydata");
      it->second.removeMember("keyparts");
      it->second.removeMember("keys");
    }

    F.parseNext();
    while ( !F.getJSON().isNull()){
      currentID = "";
      if (F.getJSON()["trackid"].asInt() == 0){
        if (F.getJSON()["datatype"].asString() == "video"){
          currentID = "video0";
          if (trackData[currentID].trackID == 0){
            trackData[currentID].trackID = nextFreeID++;
          }
          if (meta.isMember("video")){
            meta["tracks"][currentID] = meta["video"];
            meta.removeMember("video");
          }
          trackData[currentID].type = F.getJSON()["datatype"].asString();
        }else{
          if (F.getJSON()["datatype"].asString() == "audio"){
            currentID = "audio0";
            if (trackData[currentID].trackID == 0){
              trackData[currentID].trackID = nextFreeID++;
            }
            if (meta.isMember("audio")){
              meta["tracks"][currentID] = meta["audio"];
              meta.removeMember("audio");
            }
            trackData[currentID].type = F.getJSON()["datatype"].asString();
          }else{
            //fprintf(stderr, "Found an unknown package with packetid 0 and datatype %s\n",F.getJSON()["datatype"].asString().c_str());
            F.parseNext();
            continue;
          }
        }
      }else{
        for( std::map<std::string,int>::iterator it = trackIDs.begin(); it != trackIDs.end(); it++ ) {
          if( it->second == F.getJSON()["trackid"].asInt() ) {
            currentID = it->first;
            break;
          }
        }
        if( currentID == "" ) {
          //fprintf(stderr, "Found an unknown v2 packet with id %d\n", F.getJSON()["trackid"].asInt());
          F.parseNext();
          continue;
          //should create new track but this shouldnt be needed...
        }
      }
      if (F.getJSON()["time"].asInt() < trackData[currentID].firstms){
        trackData[currentID].firstms = F.getJSON()["time"].asInt();
      }
      if (F.getJSON()["time"].asInt() >= nowpack){
//.........这里部分代码省略.........

///\brief Starts a single stream
///\param name The name of the stream
///\param data The corresponding configuration values.
void startStream(std::string name, JSON::Value & data) {
    data["online"] = (std::string)"Checking...";
    data.removeMember("error");
    std::string URL;
    if (data.isMember("channel") && data["channel"].isMember("URL")) {
        URL = data["channel"]["URL"].asString();
    }
    if (data.isMember("source")) {
        URL = data["source"].asString();
    }
    std::string cmd1, cmd2, cmd3;
    if (URL == "") {
        Log("STRM", "Error for stream " + name + "! Source parameter missing.");
        data["error"] = "Missing source parameter!";
        return;
    }
    if (URL.substr(0, 4) == "push") {
        std::string pusher = URL.substr(7);
        if (data.isMember("DVR") && data["DVR"].asInt() > 0) {
            data["DVR"] = data["DVR"].asInt();
            cmd2 = "MistBuffer -t " + data["DVR"].asString() + " -s " + name + " " + pusher;
        } else {
            cmd2 = "MistBuffer -s " + name + " " + pusher;
        }
        Util::Procs::Start(name, Util::getMyPath() + cmd2);
        Log("BUFF", "(re)starting stream buffer " + name + " for push data from " + pusher);
    } else {
        if (URL.substr(0, 1) == "/") {
            struct stat fileinfo;
            if (stat(URL.c_str(), &fileinfo) != 0 || S_ISDIR(fileinfo.st_mode)) {
                Log("BUFF", "Warning for VoD stream " + name + "! File not found: " + URL);
                data["error"] = "Not found: " + URL;
                data["online"] = 0;
                return;
            }
            cmd1 = "cat " + URL;
            if (Util::epoch() - lastBuffer[name] > 5) {
                data["error"] = "Available";
                data["online"] = 2;
            } else {
                data["online"] = 1;
                data.removeMember("error");
            }
            return; //MistPlayer handles VoD
        } else {
            cmd1 = "ffmpeg -re -async 2 -i " + URL + " -f flv -";
            cmd2 = "MistFLV2DTSC";
        }
        if (data.isMember("DVR") && data["DVR"].asInt() > 0) {
            data["DVR"] = data["DVR"].asInt();
            cmd3 = "MistBuffer -t " + data["DVR"].asString() + " -s " + name;
        } else {
            cmd3 = "MistBuffer -s " + name;
        }
        if (cmd2 != "") {
            Util::Procs::Start(name, cmd1, Util::getMyPath() + cmd2, Util::getMyPath() + cmd3);
            Log("BUFF", "(re)starting stream buffer " + name + " for ffmpeg data: " + cmd1);
        } else {
            Util::Procs::Start(name, cmd1, Util::getMyPath() + cmd3);
            Log("BUFF", "(re)starting stream buffer " + name + " using input file " + URL);
        }
    }
}