Merge pull request #63 from robohouse-delft/expose-get-io-signals

Add RWSClient::getIOSignals().

Author: jontje

include/abb_librws/rws_client.h

@@ -357,6 +357,13 @@ class RWSClient : public POCOClient
    */
   RWSResult getConfigurationInstances(const std::string topic, const std::string type);
 
+  /**
+   * \brief A method for retrieving all available IO signals on the controller.
+   *
+   * \return RWSResult containing the result.
+   */
+  RWSResult getIOSignals();
+
   /**
    * \brief A method for retrieving the value of an IO signal.
    * 

src/rws_client.cpp

@@ -113,6 +113,17 @@ RWSClient::RWSResult RWSClient::getConfigurationInstances(const std::string topi
   return evaluatePOCOResult(httpGet(uri_), evaluation_conditions_);
 }
 
+RWSClient::RWSResult RWSClient::getIOSignals()
+{
+  std::string const & uri = SystemConstants::RWS::Resources::RW_IOSYSTEM_SIGNALS;
+
+  evaluation_conditions_.reset();
+  evaluation_conditions_.parse_message_into_xml = true;
+  evaluation_conditions_.accepted_outcomes.push_back(HTTPResponse::HTTP_OK);
+
+  return evaluatePOCOResult(httpGet(uri), evaluation_conditions_);
+}
+
 RWSClient::RWSResult RWSClient::getIOSignal(const std::string iosignal)
 {
   uri_ = generateIOSignalPath(iosignal);