1 files changed, 65 insertions, 0 deletions
diff --git a/rust/src/quic/error.rs b/rust/src/quic/error.rs
new file mode 100644
index 0000000..89ac1fb
--- /dev/null
+++ b/rust/src/quic/error.rs
@@ -0,0 +1,65 @@
+/* Copyright (C) 2021 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use nom7::error::{ErrorKind, ParseError};
+use std::error::Error;
+use std::fmt;
+
+#[derive(Debug, PartialEq, Eq)]
+pub enum QuicError {
+    StreamTagNoMatch(u32),
+    InvalidPacket,
+    Incomplete,
+    Unhandled,
+    NomError(ErrorKind),
+}
+
+impl<I> ParseError<I> for QuicError {
+    fn from_error_kind(_input: I, kind: ErrorKind) -> Self {
+        QuicError::NomError(kind)
+    }
+
+    fn append(_input: I, kind: ErrorKind, _other: Self) -> Self {
+        QuicError::NomError(kind)
+    }
+}
+
+impl fmt::Display for QuicError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            QuicError::StreamTagNoMatch(tag) => {
+                write!(f, "Could not match stream tag: 0x{:x}", tag)
+            }
+            QuicError::Incomplete => write!(f, "Incomplete data"),
+            QuicError::InvalidPacket => write!(f, "Invalid packet"),
+            QuicError::Unhandled => write!(f, "Unhandled packet"),
+            QuicError::NomError(e) => write!(f, "Internal parser error {:?}", e),
+        }
+    }
+}
+
+impl Error for QuicError {}
+
+impl From<nom7::Err<QuicError>> for QuicError {
+    fn from(err: nom7::Err<QuicError>) -> Self {
+        match err {
+            nom7::Err::Incomplete(_) => QuicError::Incomplete,
+            nom7::Err::Error(e) => e,
+            nom7::Err::Failure(e) => e,
+        }
+    }
+}