Introduce Stream - experimental API for low-level access to VPP API

[govpp.git] / api / errors.go

diff --git a/api/vppapi_errors.go b/api/errors.go
similarity index 97%
rename from api/vppapi_errors.go
rename to api/errors.go
index c9ce3a3..32cc677 100644 (file)
--- a/api/vppapi_errors.go
+++ b/api/errors.go
@@ -5,6 +5,17 @@ import (
        "strconv"
 )
 
+// CompatibilityError is the error type usually returned by CheckCompatibility
+// method of Channel. It contains list of all the compatible/incompatible messages.
+type CompatibilityError struct {
+       CompatibleMessages   []string
+       IncompatibleMessages []string
+}
+
+func (c *CompatibilityError) Error() string {
+       return fmt.Sprintf("%d/%d messages incompatible", len(c.IncompatibleMessages), len(c.CompatibleMessages)+len(c.IncompatibleMessages))
+}
+
 // RetvalToVPPApiError returns error for retval value.
 // Retval 0 returns nil error.
 func RetvalToVPPApiError(retval int32) error {