helper class OneRemoteConfigProvider

src/fsfw/cfdp/VarLenFields.cpp

@@ -131,3 +131,7 @@ bool cfdp::VarLenField::operator<(const cfdp::VarLenField &other) const {
 bool cfdp::VarLenField::operator==(const cfdp::VarLenField &other) const {
   return getWidth() == other.getWidth() and getValue() == other.getValue();
 }
+
+bool cfdp::VarLenField::operator!=(const cfdp::VarLenField &other) const {
+  return not(*this == other);
+}

src/fsfw/cfdp/VarLenFields.h

@@ -27,6 +27,7 @@ class VarLenField : public SerializeIF {
   VarLenField(cfdp::WidthInBytes width, size_t value);
 
   bool operator==(const VarLenField &other) const;
+  bool operator!=(const VarLenField &other) const;
   bool operator<(const VarLenField &other) const;
 
   ReturnValue_t setValue(cfdp::WidthInBytes, size_t value);

src/fsfw/cfdp/handler/RemoteConfigTableIF.h

@@ -11,6 +11,25 @@ class RemoteConfigTableIF {
   virtual bool getRemoteCfg(const cfdp::EntityId& remoteId, cfdp::RemoteEntityCfg** cfg) = 0;
 };
 
+/**
+ * Helper class for the common case that there is exactly one remote entity
+ */
+class OneRemoteConfigProvider : public RemoteConfigTableIF {
+ public:
+  explicit OneRemoteConfigProvider(RemoteEntityCfg cfg) : cfg(std::move(cfg)) {}
+
+  bool getRemoteCfg(const EntityId& remoteId, cfdp::RemoteEntityCfg** cfg_) override {
+    if (remoteId != cfg.remoteId) {
+      return false;
+    }
+    *cfg_ = &cfg;
+    return true;
+  }
+
+ private:
+  RemoteEntityCfg cfg;
+};
+
 }  // namespace cfdp
 
 #endif  // FSFW_CFDP_HANDLER_REMOTECONFIGTABLEIF_H