示例#1
0
size_t MessageEncoder::getEncodedSize(const qpid::types::Variant::Map& map, bool alwaysUseLargeMap)
{
    size_t total = getEncodedSizeForElements(map);

    //its not just the count that determines whether we can use a small map, but the aggregate size:
    if (alwaysUseLargeMap || map.size()*2 > 255 || total > 255) total +=  4/*size*/ + 4/*count*/;
    else total += 1/*size*/ + 1/*count*/;

    total += 1 /*code for map itself*/;

    return total;
}
示例#2
0
void MessageEncoder::writeApplicationProperties(const qpid::types::Variant::Map& properties)
{
    writeApplicationProperties(properties, !optimise || properties.size()*2 > 255 || getEncodedSizeForElements(properties) > 255);
}
示例#3
0
void MessageEncoder::writeMap(const qpid::types::Variant::Map& properties, const Descriptor* d, bool large)
{
    void* token = large ? startMap32(d) : startMap8(d);
    for (qpid::types::Variant::Map::const_iterator i = properties.begin(); i != properties.end(); ++i) {
        writeString(i->first);
        switch (i->second.getType()) {
          case qpid::types::VAR_MAP:
          case qpid::types::VAR_LIST:
            //not allowed (TODO: revise, only strictly true for application-properties) whereas this is now a more general method)
            QPID_LOG(warning, "Ignoring nested map/list; not allowed in application-properties for AMQP 1.0");
          case qpid::types::VAR_VOID:
            writeNull();
            break;
          case qpid::types::VAR_BOOL:
            writeBoolean(i->second);
            break;
          case qpid::types::VAR_UINT8:
            writeUByte(i->second);
            break;
          case qpid::types::VAR_UINT16:
            writeUShort(i->second);
            break;
          case qpid::types::VAR_UINT32:
            writeUInt(i->second);
            break;
          case qpid::types::VAR_UINT64:
            writeULong(i->second);
            break;
          case qpid::types::VAR_INT8:
            writeByte(i->second);
            break;
          case qpid::types::VAR_INT16:
            writeShort(i->second);
            break;
          case qpid::types::VAR_INT32:
            writeInt(i->second);
            break;
          case qpid::types::VAR_INT64:
            writeULong(i->second);
            break;
          case qpid::types::VAR_FLOAT:
            writeFloat(i->second);
            break;
          case qpid::types::VAR_DOUBLE:
            writeDouble(i->second);
            break;
          case qpid::types::VAR_STRING:
            if (i->second.getEncoding() == BINARY) {
                writeBinary(i->second);
            } else {
                writeString(i->second);
            }
            break;
          case qpid::types::VAR_UUID:
            writeUuid(i->second);
            break;
        }
    }
    if (large) endMap32(properties.size()*2, token);
    else endMap8(properties.size()*2, token);
}