ULXR_API_IMPL(void) FileResource::open(bool do_read)
{
  ULXR_TRACE(ULXR_PCHAR("FileResource::open ") << filename);
  if (opened)
    return;

  reset();
  if (do_read)
  {
    ULXR_TRACE(ULXR_PCHAR("FileResource::open do_read"));
#ifdef __unix__
    if (0 == ulxr_access(getLatin1(getFilename()).c_str(), F_OK)) // file exists?
#else
    if (0 == ulxr_access(getLatin1(getFilename()).c_str(), 0))
#endif
    {
      ulxr_FILE *ifs = ulxr_fopen (getLatin1(filename).c_str(), "rb");
      char buffer [2000];
      if (ifs != 0)
      {
        while (!ulxr_feof(ifs) && !error)
        {
          size_t readed = ulxr_fread(buffer, 1, sizeof(buffer), ifs);
          if (ulxr_ferror(ifs))
            error = true;

          write(buffer, readed);
        }
        ulxr_fclose (ifs);
      }
    }
  }

  opened = true;
}
Exemple #2
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void Protocol::setConnection(Connection *conn)
{
  ULXR_TRACE("getConnection");
  pimpl->connection = conn;
  pimpl->delete_connection = true;
  ULXR_TRACE("/getConnection");
}
Exemple #3
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MethodResponse Dispatcher::dispatchCallLoc(const MethodCall &call) const
{
  ULXR_TRACE("dispatchCallLoc: " << call.getMethodName());

  MethodCallDescriptor desc(call);
  MethodCallMap::const_iterator it;
  if ((it = methodcalls.find(desc)) != methodcalls.end() )
  {
    MethodCall_t mc = (*it).second;
    if (!(*it).first.isEnabled())
    {
      std::string s = "method \"";
      s += desc.getSignature(true, false);
      s += "\": currently unavailable.";
      return MethodResponse (MethodNotFoundError, s);
    }

    else
    {
      if ((*it).first.calltype == CallSystem)
      {
        ULXR_TRACE("Now calling system function: " + (*it).first.getSignature(true, true));
        (*it).first.incInvoked();
        return mc.system_function(call, this);
      }

      else if ((*it).first.calltype == CallStatic)
      {
        ULXR_TRACE("Now calling static function: " + (*it).first.getSignature(true, true));
        (*it).first.incInvoked();
        return mc.static_function(call);
      }

      else if ((*it).first.calltype == CallDynamic)
      {
        ULXR_TRACE("Now calling dynamic function: " + (*it).first.getSignature(true, true));
        (*it).first.incInvoked();
        return mc.dynamic_function->call(call);
      }

      else
      {
        std::string s = "method \"";
        s += desc.getSignature(true, false);
        s += "\": internal problem to find method.";
        return MethodResponse (MethodNotFoundError, s);
      }
    }
  }

  std::string s = "method \"";
  s += desc.getSignature(true, false);
  s += "\" unknown method and/or signature.";
  return MethodResponse (MethodNotFoundError, s);
}
Exemple #4
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void Protocol::sendRpcCall(const MethodCall &call,
                                       const std::string &/*resource*/)
{
    ULXR_TRACE("sendRpcCall");
    std::string xml = call.getXml(0)+"\n";
    getConnection()->write(xml.c_str(), xml.length());
}
Exemple #5
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void Protocol::closeConnection()
{
  ULXR_TRACE("closeConnection");
  if (getConnection())
    getConnection()->close();
//  resetConnection();
}
Exemple #6
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bool Protocol::accept(int _timeout)
{
  ULXR_TRACE("accept");
  bool res = getConnection()->accept(_timeout);
  resetConnection();
  return res;
}
Exemple #7
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bool Protocol::isOpen() const
{
  const Connection *conn = getConnection();
  bool op = conn != 0 && conn->isOpen();
  ULXR_TRACE("isOpen " << op);
  return op;
}
ULXR_API_IMPL(ValueParserBase::ValueState *) ValueParser::getTopValueState() const
{
  ULXR_TRACE(ULXR_PCHAR("ValueParser::getTopState() size: ") << states.size());
#ifdef DEBUG
  ValueState *vs = dynamic_cast<ValueState*> (states.top());      // be careful about type
  if (vs == 0)
  {
    ULXR_TRACE(ULXR_PCHAR("ValueParser::getTopState(), top state: ") << (void*) states.top());
    ULXR_TRACE(ULXR_PCHAR("ValueParser::getTopState(): state <> ValueState"));
    ULXR_TRACE(ULXR_PCHAR("ValueParser::getTopState(): state == ") << ULXR_GET_STRING(typeid(states.top()).name()));
  }
  return vs;
#else
  return reinterpret_cast<ValueParserBase::ValueState*> (states.top());  // dont care anymore
#endif
}
Exemple #9
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MethodResponse
   Dispatcher::system_methodHelp(const MethodCall &calldata,
                                 const Dispatcher *disp)
{
  ULXR_TRACE("system_methodHelp");
  if (calldata.numParams() != 1)
    throw ParameterException(InvalidMethodParameterError,
                             "Exactly 1 parameter allowed for \"system.methodHelp\"");

  if (calldata.getParam(0).getType() != RpcStrType)
    throw ParameterException(InvalidMethodParameterError,
                             "Parameter 1 not of type \"String\" \"system.listMethods\"");

  RpcString vs = calldata.getParam(0);
  std::string name = vs.getString();
  std::string s;

  MethodCallMap::const_iterator it;
  std::string s_prev;
  for (it = disp->methodcalls.begin(); it != disp->methodcalls.end(); ++it)
    if (name == (*it).first.method_name && (*it).first.documentation.length() != 0)
    {
      if (   s_prev != (*it).first.documentation
          && (*it).first.documentation.length() != 0)
      {
        if (s.length() != 0)
          s = "* " +s + "\n* ";
        s += (*it).first.documentation;
      }
      s_prev = (*it).first.documentation;
    }

  return MethodResponse (RpcString(s));
}
Exemple #10
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void Protocol::resetConnection()
{
  ULXR_TRACE("resetConnection");
  pimpl->connstate = ConnStart;
  pimpl->remain_content_length = -1;
  pimpl->content_length = -1;
}
Exemple #11
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MethodResponse
   Dispatcher::system_listMethods(const MethodCall &calldata,
                                  const Dispatcher *disp)
{
  ULXR_TRACE("system_listMethods");
  if (calldata.numParams() > 1)
    throw ParameterException(InvalidMethodParameterError,
                             "At most 1 parameter allowed for \"system.listMethods\"");

  if (   calldata.numParams() == 1
      && calldata.getParam(0).getType() != RpcStrType)
    throw ParameterException(InvalidMethodParameterError,
                             "Parameter 1 not of type \"String\" \"system.listMethods\"");

// FIXME: what to do with param 1 if present ??

  Array arr;
  std::string m_prev;

  MethodCallMap::const_iterator it;
  for (it = disp->methodcalls.begin(); it != disp->methodcalls.end(); ++it)
    if (   m_prev != (*it).first.method_name
        && (*it).first.method_name.length() != 0)
    {
      arr.addItem(RpcString((*it).first.method_name));
      m_prev = (*it).first.method_name;
    }
  return MethodResponse (arr);
}
Exemple #12
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void Dispatcher::setupSystemMethods()
{
  ULXR_TRACE("setupSystemMethods");

  addMethod(&Dispatcher::xml_pretty_print,
            "", "ulxmlrpcpp.pretty_print", "bool",
            "Enable pretty-printed xml responses.");

  //--

  addMethod(&Dispatcher::system_listMethods,
            "array", "system.listMethods", "",
            "Lists all methods implemented by this server.");

  addMethod( &Dispatcher::system_listMethods,
            "array","system.listMethods", "string",
            "Lists all methods implemented by this server (overloaded).");

  addMethod( &Dispatcher::system_methodSignature,
            "array", "system.methodSignature", "string",
            "Returns an array of possible signatures for this method.");

  addMethod(&Dispatcher::system_methodHelp,
            "string", "system.methodHelp", "string",
            "Returns a documentation string describing the use of this method.");

  addMethod(&Dispatcher::system_getCapabilities,
            "struct", "system.getCapabilities", "",
            "Returns Structs describing available capabilities.");
}
ULXR_API_IMPL(void) FileResource::close()
{
  ULXR_TRACE(ULXR_PCHAR("FileResource::close ") << filename);
  if (!opened)
    return;

//  size_t written;
  const std::string dat = data();
  const unsigned len = dat.length();
  ulxr_FILE *ifs = ulxr_fopen (getLatin1(filename).c_str(), "wb");
  if (ifs != 0)
  {
    if (len != 0)
    {
      /* written = */ ulxr_fwrite(dat.data(), 1, len, ifs);
      if (ulxr_ferror(ifs))
        error = true;
    }
    ulxr_fclose (ifs);
  }
  else
    error = true;

  opened = false;
  CachedResource::clear();
}
ULXR_API_IMPL(Cpp8BitString) HttpClient::msgPOST(
                     const Cpp8BitString &msg,
                     const CppString &type,
                     const CppString &resource)
{
  ULXR_TRACE(ULXR_PCHAR("msgPOST"));
  Cpp8BitString ret;

  if (!protocol->isOpen() )
    protocol->open();

  sendAuthentication();
  protocol->sendRequestHeader(ULXR_PCHAR("POST"), resource, type, msg.length());
  protocol->writeBody(msg.data(), msg.length());

  StringProcessor sp (ret);
  receiveResponse(sp);

  if (getHttpStatus() != 200)
    throw ConnectionException(TransportError, getHttpPhrase(), getHttpStatus());

  if (!protocol->isPersistent() )
    protocol->close();

  return ret;
}
Exemple #15
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std::string
  Dispatcher::MethodCallDescriptor::getSignature(bool with_name,
                                                 bool with_return) const
{
  ULXR_TRACE("getSignature");
  std::string s;
  std::string rs = return_signature;
  if (rs.length() == 0)
    rs = "void";  // emergency brake

  std::string sig = signature;
  if (sig.length() == 0)
    sig = "void";  // emergency brake

  if (with_return && with_name)
    s = rs + " " + method_name + "(" + sig + ")";

  else if (!with_return && with_name)
    s = method_name + "(" + sig + ")";

  else if (with_return && !with_name)
  {
    s = rs;
    if (sig.length() != 0)
      s += "," + sig;
  }

  else if (!with_return && !with_name)
    s = sig;

  return s;
}
ULXR_API_IMPL(void) HttpClient::setMessageAuthentication(const CppString &user,
                                                      const CppString &pass)
{
  ULXR_TRACE(ULXR_PCHAR("setMessageAuthentication"));
  http_user = user;
  http_pass = pass;
}
ULXR_API_IMPL(void) HttpClient::receiveResponse(BodyProcessor &proc)
{
  ULXR_TRACE(ULXR_PCHAR("receiveResponse"));
  protocol->resetConnection();

  char buffer[ULXR_RECV_BUFFER_SIZE];
  char *buff_ptr;

  bool done = false;
  long readed;
  while (!done && ((readed = protocol->readRaw(buffer, sizeof(buffer))) > 0) )
  {
    buff_ptr = buffer;

    if (!protocol->hasBytesToRead())
      done = true;

    while (readed > 0)
    {
      Protocol::State state = protocol->connectionMachine(buff_ptr, readed);
      if (state == Protocol::ConnError)
        throw ConnectionException(TransportError,
                                  ulxr_i18n(ULXR_PCHAR("network problem occured")), 500);

      // switch to appropriate method when header is completely read
      else if (   state == Protocol::ConnSwitchToBody
               || state == Protocol::ConnBody)
      {
        interpreteHttpHeader();
        proc.process(buff_ptr, readed);
        readed = 0;
      }
    }
  }
}
Exemple #18
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long Protocol::readRaw(char *buff, long len)
{
  ULXR_TRACE("readRaw, want: " << len);
  if (pimpl->remain_content_length >= 0)
  {
    ULXR_TRACE("read 0 " << len << " " << getRemainingContentLength());
    if (pimpl->remain_content_length < len)
      len = pimpl->remain_content_length;
  }

  long myRead = getConnection()->read(buff, len);

  if (pimpl->remain_content_length >= 0)
    pimpl->remain_content_length -= myRead;

  return myRead;
}
Exemple #19
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void
  Protocol::addAuthentication(const std::string &user,
                              const std::string &pass,
                              const std::string &realm)
{
  ULXR_TRACE("addAuthentication");
  pimpl->authdata.push_back(AuthData(stripWS(user), stripWS(pass), stripWS(realm)));
}
Exemple #20
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 Protocol::Protocol(Connection *conn)
  : pimpl (new PImpl)
{
  pimpl->connection = conn;
  pimpl->delete_connection = false;
  ULXR_TRACE("Protocol");
  init();
}
  Requester::call (const MethodCall& calldata, const CppString &rpc_root,
                   const CppString &user, const CppString &pass)
{
   ULXR_TRACE(ULXR_PCHAR("call(..,user, pass)"));
   protocol->setMessageAuthentication(user, pass);
   send_call (calldata, rpc_root);
   return waitForResponse();
}
bool
  MethodResponseParser::testStartElement(const XML_Char* name, const XML_Char** /*atts*/)
{
  ULXR_TRACE("MethodResponseParser::testStartElement(const XML_Char*, const char**)"
             << "\n  name: "
             << name
            );

  switch(states.top()->getParserState() )
  {
    case eNone:
      if(strcmp(name, "methodResponse") == 0)
      {
        setComplete (false);
        states.push(new ValueState(eMethodResponse));
      }
      else
        return false;
    break;

    case eMethodResponse:
      if(strcmp(name, "fault") == 0)
        states.push(new ValueState(eFault));

      else if(strcmp(name, "params") == 0)
        states.push(new ValueState(eParams));

      else
        return false;
    break;

    case eFault:
      if(strcmp(name, "value") == 0)
        states.push(new ValueState(eValue));
      else
        return false;
    break;

    case eParams:
      if(strcmp(name, "param") == 0)
        states.push(new ValueState(eParam));
      else
        return false;
    break;

    case eParam:
      if(strcmp(name, "value") == 0)
        states.push(new ValueState(eValue));
      else
        return false;
    break;

    default:
        return false;
  }

  return true;
}
ULXR_API_IMPL(void) TcpIpConnection::open()
{
  ULXR_TRACE(ULXR_PCHAR("open"));
  if (isOpen() )
    throw RuntimeException(ApplicationError,
                           ulxr_i18n(ULXR_PCHAR("Attempt to open an already open connection")));

  if (pimpl->server_data != 0)
    throw ConnectionException(SystemError,
                              ulxr_i18n(ULXR_PCHAR("Connection is NOT prepared for client mode")), 500);
//  resetConnection();

  setHandle(socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
  if (getHandle() < 0)
    throw ConnectionException(SystemError,
                              ulxr_i18n(ULXR_PCHAR("Could not create socket: "))
                                   + ULXR_GET_STRING(getErrorString(getLastError())), 500);

  int iOptVal = getTimeout() * 1000;
  int iOptLen = sizeof(int);
  ::setsockopt(getHandle(), SOL_SOCKET, SO_RCVTIMEO, (char*)&iOptVal, iOptLen);
  ::setsockopt(getHandle(), SOL_SOCKET, SO_SNDTIMEO, (char*)&iOptVal, iOptLen);
  doTcpNoDelay();

  if(connect(getHandle(), (struct sockaddr *)&pimpl->hostdata, sizeof(pimpl->hostdata)) < 0)
    throw ConnectionException(SystemError,
                              ulxr_i18n(ULXR_PCHAR("Could not connect: "))
                                   + ULXR_GET_STRING(getErrorString(getLastError())), 500);

  ULXR_TRACE(ULXR_PCHAR("/open.peername"));
#ifdef ULXR_ENABLE_GET_PEERNAME
  pimpl->remotedata_len = sizeof(pimpl->remotedata);
  if(getpeername(getHandle(),
                 (struct sockaddr *)&pimpl->remotedata,
                 &pimpl->remotedata_len)<0)
    throw ConnectionException(SystemError,
                              ulxr_i18n(ULXR_PCHAR("Could not get peer data: "))
                                   + ULXR_GET_STRING(getErrorString(getLastError())), 500);
#ifdef __BORLANDC__
  pimpl->remote_name = ULXR_PCHAR("<remote-host>");  // FIXME, not working
  host = 0;
  host;
#else
  else
  {
Exemple #24
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void free_dynamic_method (const Dispatcher::MethodCallMap::value_type &method)
{
   if (method.first.getCallType() == Dispatcher::CallDynamic)
   {
     ULXR_TRACE("Now deleting dynamic function: " + method.first.getSignature(true, true));
     delete method.second.dynamic_function;
     const_cast<Dispatcher::MethodCallMap::value_type&>(method).second.dynamic_function = 0;
   }
}
Exemple #25
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 Protocol::~Protocol()
{
  ULXR_TRACE("~Protocol");
  if (pimpl->delete_connection)
    delete pimpl->connection;
  pimpl->connection = NULL;
  delete pimpl;
  pimpl = NULL;
}
ULXR_API_IMPL(void) HttpClient::interpreteHttpHeader()
{
   ULXR_TRACE(ULXR_PCHAR("interpreteHttpHeader"));
   head_version = ULXR_PCHAR("");
   head_status = 500;
   head_phrase = ULXR_PCHAR("Internal error");
   protocol->splitHeaderLine(head_version, head_status, head_phrase);
   protocol->setPersistent(!protocol->determineClosing(head_version));
}
Exemple #27
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unsigned Dispatcher::numMethods() const
{
  ULXR_TRACE("numMethods");
  unsigned i = 0;
  MethodCallMap::const_iterator it;
  for (it = methodcalls.begin(); it != methodcalls.end(); ++it)
    ++i;
  return i;
}
 Value ValueParserBase::getValue() const
 {
     ULXR_TRACE("ValueParserBase::getValue()");
     Value *v = getTopValueState()->getValue();
     if (v != 0)
         return *v;
     else
         return Value(); // return ulxr::Void()
 }
    void ValueParserBase::ArrayState::takeValue(Value *v, bool del)
    {
        candel = del;
        ULXR_TRACE("ValueParserBase::ArrayState::takeValue(Value *)");
        if (value == 0)
            value = new Value(Array());

        value->getArray()->addItem(*v);
        delete v;
    }
ULXR_API_IMPL(void) TcpIpConnection::setProxy(const CppString &dom, unsigned port)
{
  ULXR_TRACE(ULXR_PCHAR("setProxy ") << dom << ULXR_PCHAR(" ") << port);
  struct hostent *hp = getHostAdress(dom);
  if (hp == 0)
    throw ConnectionException(SystemError,
                              ulxr_i18n(ULXR_PCHAR("Host adress for proxy not found: ")) + dom, 500);
  memcpy(&(pimpl->hostdata.sin_addr), hp->h_addr_list[0], hp->h_length);
  pimpl->hostdata.sin_port = htons(port);
}