//-------------------------------------------------------------------------------------------------
bool FIXReader::read(f8String& to) // read a complete FIX message
{
char msg_buf[_max_msg_len] = {};
int result(sockRead(msg_buf, _bg_sz));
if (result == static_cast<int>(_bg_sz))
{
char bt;
size_t offs(_bg_sz);
do // get the last chrs of bodylength and ^A
{
if (sockRead(&bt, 1) != 1)
return false;
if (!isdigit(bt) && bt != default_field_separator)
throw IllegalMessage(msg_buf);
msg_buf[offs++] = bt;
}
while (bt != default_field_separator && offs < _max_msg_len);
to.assign(msg_buf, offs);
f8String tag, bgstr, len;
unsigned result;
if ((result = MessageBase::extract_element(to.data(), to.size(), tag, bgstr)))
{
if (tag != "8")
throw IllegalMessage(to);
if (bgstr != _session.get_ctx()._beginStr) // invalid FIX version
throw InvalidVersion(bgstr);
if ((result = MessageBase::extract_element(to.data() + result, to.size() - result, tag, len)))
{
if (tag != "9")
throw IllegalMessage(to);
const unsigned mlen(fast_atoi<unsigned>(len.c_str()));
if (mlen == 0 || mlen > _max_msg_len - _bg_sz - _chksum_sz) // invalid msglen
throw InvalidBodyLength(mlen);
// read the body
if ((result = sockRead(msg_buf, mlen) != static_cast<int>(mlen)))
return false;
// read the checksum
if ((result = sockRead(msg_buf + mlen, _chksum_sz) != static_cast<int>(_chksum_sz)))
return false;
to.append(msg_buf, mlen + _chksum_sz);
_session.update_received();
//string ts;
//cerr << GetTimeAsStringMS(ts, &_session.get_last_received(), 9) << endl;
return true;
}
}
throw IllegalMessage(to);
}
return false;
}
// En la base de datos se guarda el path sin la carpeta del FS
bool ManejadorArchivosYMetadatos::subirArchivo (string username, string filepath, const char* data, int dataLen,
string jsonMetadatos, int cuota, int nuevaVersion, bool force) {
if (not validador.verificarPermisos(username, filepath))
return false;
string filepathCompleto = this->pathFileSystem + "/" + filepath;
if (validador.existeArchivo(filepathCompleto) and validador.existeMetadato(filepath)) {
if (not force and not validador.esVersionValida(filepath, nuevaVersion)) {
throw InvalidVersion("Se quiso subir " + filepath + " con version " + to_string(nuevaVersion),
getLatestVersion(filepath));
}
if ( force )
nuevaVersion = getLatestVersion(filepath) + 1;
Logger::logDebug("Actualizando archivo con path: " + filepath);
return actualizarArchivo(username, filepath, data, dataLen, cuota, nuevaVersion - 1);
}
if (not this->actualizarArchivo(username, filepath, data, dataLen, cuota, FIRST - 1)) {
Logger::logWarn("Fallo la subida del archivo " + filepath);
return false;
}
return manejadorMetadatos.cargarMetadato(filepath, jsonMetadatos);
}
//! Decode command in text form.
//! @param[in] cmd command in text form.
//! @return command object.
static AbstractCommand*
decode(const std::string& cmd)
{
// Validate CRC.
if (AbstractCommand::getCRC(cmd) != AbstractCommand::computeCRC(cmd, cmd.size() - c_ssc_footer_size))
throw InvalidChecksum();
// Split command.
std::vector<std::string> parts;
DUNE::Utils::String::split(cmd, ",", parts);
// Check minimum arguments.
if (parts.size() < c_ssc_min_args)
throw InvalidFormat("minimum arguments not present");
// Extract prefix.
if (parts[0] != c_ssc_prefix)
throw InvalidFormat("invalid prefix");
// Extract version.
unsigned version = 0;
if (std::sscanf(parts[AbstractCommand::OFFS_VERSION].c_str(), "%u", &version) != 1)
throw InvalidVersion();
// Extract flags.
unsigned flags = 0;
if (std::sscanf(parts[AbstractCommand::OFFS_FLAGS].c_str(), "%02X", &flags) != 1)
throw InvalidFormat("invalid flags");
// Extract TTL.
unsigned ttl = 0;
if (std::sscanf(parts[AbstractCommand::OFFS_TTL].c_str(), "%u", &ttl) != 1)
throw InvalidFormat("invalid ttl");
// Extract priority.
unsigned priority = 0;
if (std::sscanf(parts[AbstractCommand::OFFS_PRIORITY].c_str(), "%u", &priority) != 1)
throw InvalidFormat("invalid priority");
// Extract source.
unsigned src = 0;
if (std::sscanf(parts[AbstractCommand::OFFS_SRC].c_str(), "%u", &src) != 1)
throw InvalidFormat("invalid source");
// Extract number of destinations.
unsigned dst_count = 0;
if (std::sscanf(parts[AbstractCommand::OFFS_DST_COUNT].c_str(), "%u", &dst_count) != 1)
throw InvalidFormat("invalid destination count");
// Extract destinations.
unsigned dst = 0;
std::set<unsigned> dsts;
for (unsigned i = 0; i < dst_count; ++i)
{
// FIXME: check size.
if (std::sscanf(parts[AbstractCommand::OFFS_DST + i].c_str(), "%u", &dst) != 1)
throw InvalidFormat("invalid destination");
dsts.insert(dst);
}
// Command name.
std::string name = parts[AbstractCommand::OFFS_DST + dst_count];
AbstractCommand* cmd_obj = createByName(name);
if (cmd_obj == NULL)
throw InvalidValue();
cmd_obj->setName(name);
cmd_obj->setSource(src);
cmd_obj->setDestinations(dsts);
cmd_obj->setVersion(version);
cmd_obj->setPriority(priority);
cmd_obj->setTTL(ttl);
cmd_obj->setFlags(flags);
size_t args_start = AbstractCommand::OFFS_DST + dst_count + 1;
cmd_obj->decodeArgs(parts, args_start);
return cmd_obj;
}
