uhd: Add new exceptions for RFNoC-specific errors

Add the following exception types:
- rfnoc_error
- op_failed
- op_seqerr
- op_timeout
- op_timeerr
- access_error
  - It is meant to be used when access violations have taken place,
    i.e., when a resource is being accessed without appropriate
    permissions.
- resolve_error
  - This is a derivative of rfnoc_error, and will be used when a
    property resolution fails unexpectedly.
- routing_error
  - For use when the framework has path setup issues or general
    routing-related errors

1 files changed, 82 insertions, 0 deletions

diff --git a/host/include/uhd/exception.hpp b/host/include/uhd/exception.hpp
index 7189015a0..adedebe96 100644
--- a/host/include/uhd/exception.hpp
+++ b/host/include/uhd/exception.hpp
@@ -163,6 +163,17 @@ struct UHD_API not_implemented_error : runtime_error
     virtual void dynamic_throw(void) const;
 };
 
+/*! Raised when a resource is being accessed without having the appropriate
+ * permissions.
+ */
+struct UHD_API access_error : runtime_error
+{
+    access_error(const std::string& what);
+    virtual unsigned code(void) const;
+    virtual access_error* dynamic_clone(void) const;
+    virtual void dynamic_throw(void) const;
+};
+
 /*! Base class for errors that occur outside of UHD.
  */
 struct UHD_API environment_error : exception
@@ -215,6 +226,77 @@ struct UHD_API syntax_error : exception
     virtual void dynamic_throw(void) const;
 };
 
+/*! Base class for RFNoC-related errors
+ */
+struct UHD_API rfnoc_error : exception
+{
+    rfnoc_error(const std::string& what);
+    virtual unsigned code(void) const;
+    virtual rfnoc_error* dynamic_clone(void) const;
+    virtual void dynamic_throw(void) const;
+};
+
+/*! Gets thrown when a transaction with an RFNoC block fails (IO error)
+ */
+struct UHD_API op_failed : rfnoc_error
+{
+    op_failed(const std::string& what);
+    virtual unsigned code(void) const;
+    virtual op_failed* dynamic_clone(void) const;
+    virtual void dynamic_throw(void) const;
+};
+
+/*! Gets thrown when a transaction with an RFNoC block times out (e.g., no ACK
+ *  received)
+ */
+struct UHD_API op_timeout : rfnoc_error
+{
+    op_timeout(const std::string& what);
+    virtual unsigned code(void) const;
+    virtual op_timeout* dynamic_clone(void) const;
+    virtual void dynamic_throw(void) const;
+};
+
+/*! Gets thrown when a transaction with an RFNoC yields a sequence error
+ */
+struct UHD_API op_seqerr : rfnoc_error
+{
+    op_seqerr(const std::string& what);
+    virtual unsigned code(void) const;
+    virtual op_seqerr* dynamic_clone(void) const;
+    virtual void dynamic_throw(void) const;
+};
+
+/*! Gets thrown when a transaction with an RFNoC yields a time error (late command)
+ */
+struct UHD_API op_timerr : rfnoc_error
+{
+    op_timerr(const std::string& what);
+    virtual unsigned code(void) const;
+    virtual op_timerr* dynamic_clone(void) const;
+    virtual void dynamic_throw(void) const;
+};
+
+/*! Gets thrown when a property resolution fails
+ */
+struct UHD_API resolve_error : rfnoc_error
+{
+    resolve_error(const std::string& what);
+    virtual unsigned code(void) const;
+    virtual resolve_error* dynamic_clone(void) const;
+    virtual void dynamic_throw(void) const;
+};
+
+/*! Gets thrown when there is a routing-related failure in RFNoC
+ */
+struct UHD_API routing_error : rfnoc_error
+{
+    routing_error(const std::string& what);
+    virtual unsigned code(void) const;
+    virtual routing_error* dynamic_clone(void) const;
+    virtual void dynamic_throw(void) const;
+};
+
 /*!
  * Create a formatted string with throw-site information.
  * Fills in the function name, file name, and line number.