1 files changed, 92 insertions, 0 deletions
diff --git a/config/error.go b/config/error.go
new file mode 100644
index 0000000..c49b6a9
--- /dev/null
+++ b/config/error.go
@@ -0,0 +1,92 @@
+package config
+
+import "fmt"
+
+type ErrorType int
+
+// file open configuration file error
+type OpenError struct {
+	path string
+	err  error
+}
+
+func (e *OpenError) Error() string {
+	return fmt.Sprintf("Failed to open configuration file : %s", e.path)
+}
+func (e *OpenError) Unwrap() error { return e.err }
+
+func newOpenError(path string, err error) error {
+	return &OpenError{
+		path: path,
+		err:  err,
+	}
+}
+
+// Yaml configuration file decoding error
+type DecodeError struct {
+	path string
+	err  error
+}
+
+func (e *DecodeError) Error() string {
+	return fmt.Sprintf("Failed to decode configuration file : %s", e.path)
+}
+func (e *DecodeError) Unwrap() error { return e.err }
+
+func newDecodeError(path string, err error) error {
+	return &DecodeError{
+		path: path,
+		err:  err,
+	}
+}
+
+// Invalid address field error
+type InvalidAddressError struct {
+	address string
+	err     error
+}
+
+func (e *InvalidAddressError) Error() string {
+	return fmt.Sprintf("Invalid address %s : it must be a valid ipv4 address, ipv6 address, or resolvable name", e.address)
+}
+func (e *InvalidAddressError) Unwrap() error { return e.err }
+
+func newInvalidAddressError(address string, err error) error {
+	return &InvalidAddressError{
+		address: address,
+		err:     err,
+	}
+}
+
+// Invalid port field error
+type InvalidPortError struct {
+	port string
+	err  error
+}
+
+func (e *InvalidPortError) Error() string {
+	return fmt.Sprintf("Invalid port %s : it must be a valid port number or tcp service name", e.port)
+}
+func (e *InvalidPortError) Unwrap() error { return e.err }
+
+func newInvalidPortError(port string, err error) error {
+	return &InvalidPortError{
+		port: port,
+		err:  err,
+	}
+}
+
+// Invalid token field error
+type InvalidTokenError struct {
+	token string
+}
+
+func (e *InvalidTokenError) Error() string {
+	return fmt.Sprintf("Invalid token %s : it must be an hexadecimal string that lookslike 12345678-9abc-def0-1234-56789abcdef0", e.token)
+}
+
+func newInvalidTokenError(token string) error {
+	return &InvalidTokenError{
+		token: token,
+	}
+}