1 files changed, 126 insertions, 0 deletions
diff --git a/lib/nghttp3_err.c b/lib/nghttp3_err.c
new file mode 100644
index 0000000..5cf94db
--- /dev/null
+++ b/lib/nghttp3_err.c
@@ -0,0 +1,126 @@
+/*
+ * nghttp3
+ *
+ * Copyright (c) 2019 nghttp3 contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "nghttp3_err.h"
+
+const char *nghttp3_strerror(int liberr) {
+  switch (liberr) {
+  case NGHTTP3_ERR_INVALID_ARGUMENT:
+    return "ERR_INVALID_ARGUMENT";
+  case NGHTTP3_ERR_NOBUF:
+    return "ERR_NOBUF";
+  case NGHTTP3_ERR_INVALID_STATE:
+    return "ERR_INVALID_STATE";
+  case NGHTTP3_ERR_WOULDBLOCK:
+    return "ERR_WOULDBLOCK";
+  case NGHTTP3_ERR_STREAM_IN_USE:
+    return "ERR_STREAM_IN_USE";
+  case NGHTTP3_ERR_MALFORMED_HTTP_HEADER:
+    return "ERR_MALFORMED_HTTP_HEADER";
+  case NGHTTP3_ERR_REMOVE_HTTP_HEADER:
+    return "ERR_REMOVE_HTTP_HEADER";
+  case NGHTTP3_ERR_MALFORMED_HTTP_MESSAGING:
+    return "ERR_MALFORMED_HTTP_MESSAGING";
+  case NGHTTP3_ERR_QPACK_FATAL:
+    return "ERR_QPACK_FATAL";
+  case NGHTTP3_ERR_QPACK_HEADER_TOO_LARGE:
+    return "ERR_QPACK_HEADER_TOO_LARGE";
+  case NGHTTP3_ERR_STREAM_NOT_FOUND:
+    return "ERR_STREAM_NOT_FOUND";
+  case NGHTTP3_ERR_CONN_CLOSING:
+    return "ERR_CONN_CLOSING";
+  case NGHTTP3_ERR_STREAM_DATA_OVERFLOW:
+    return "ERR_STREAM_DATA_OVERFLOW";
+  case NGHTTP3_ERR_QPACK_DECOMPRESSION_FAILED:
+    return "ERR_QPACK_DECOMPRESSION_FAILED";
+  case NGHTTP3_ERR_QPACK_ENCODER_STREAM_ERROR:
+    return "ERR_QPACK_ENCODER_STREAM_ERROR";
+  case NGHTTP3_ERR_QPACK_DECODER_STREAM_ERROR:
+    return "ERR_QPACK_DECODER_STREAM_ERROR";
+  case NGHTTP3_ERR_H3_FRAME_UNEXPECTED:
+    return "ERR_H3_FRAME_UNEXPECTED";
+  case NGHTTP3_ERR_H3_FRAME_ERROR:
+    return "ERR_H3_FRAME_ERROR";
+  case NGHTTP3_ERR_H3_MISSING_SETTINGS:
+    return "ERR_H3_MISSING_SETTINGS";
+  case NGHTTP3_ERR_H3_INTERNAL_ERROR:
+    return "ERR_H3_INTERNAL_ERROR";
+  case NGHTTP3_ERR_H3_CLOSED_CRITICAL_STREAM:
+    return "ERR_CLOSED_CRITICAL_STREAM";
+  case NGHTTP3_ERR_H3_GENERAL_PROTOCOL_ERROR:
+    return "ERR_H3_GENERAL_PROTOCOL_ERROR";
+  case NGHTTP3_ERR_H3_ID_ERROR:
+    return "ERR_H3_ID_ERROR";
+  case NGHTTP3_ERR_H3_SETTINGS_ERROR:
+    return "ERR_H3_SETTINGS_ERROR";
+  case NGHTTP3_ERR_H3_STREAM_CREATION_ERROR:
+    return "ERR_H3_STREAM_CREATION_ERROR";
+  case NGHTTP3_ERR_NOMEM:
+    return "ERR_NOMEM";
+  case NGHTTP3_ERR_CALLBACK_FAILURE:
+    return "ERR_CALLBACK_FAILURE";
+  default:
+    return "(unknown)";
+  }
+}
+
+uint64_t nghttp3_err_infer_quic_app_error_code(int liberr) {
+  switch (liberr) {
+  case 0:
+    return NGHTTP3_H3_NO_ERROR;
+  case NGHTTP3_ERR_QPACK_DECOMPRESSION_FAILED:
+    return NGHTTP3_QPACK_DECOMPRESSION_FAILED;
+  case NGHTTP3_ERR_QPACK_ENCODER_STREAM_ERROR:
+    return NGHTTP3_QPACK_ENCODER_STREAM_ERROR;
+  case NGHTTP3_ERR_QPACK_DECODER_STREAM_ERROR:
+    return NGHTTP3_QPACK_DECODER_STREAM_ERROR;
+  case NGHTTP3_ERR_H3_FRAME_UNEXPECTED:
+    return NGHTTP3_H3_FRAME_UNEXPECTED;
+  case NGHTTP3_ERR_H3_FRAME_ERROR:
+    return NGHTTP3_H3_FRAME_ERROR;
+  case NGHTTP3_ERR_H3_MISSING_SETTINGS:
+    return NGHTTP3_H3_MISSING_SETTINGS;
+  case NGHTTP3_ERR_H3_INTERNAL_ERROR:
+  case NGHTTP3_ERR_NOMEM:
+  case NGHTTP3_ERR_CALLBACK_FAILURE:
+    return NGHTTP3_H3_INTERNAL_ERROR;
+  case NGHTTP3_ERR_H3_CLOSED_CRITICAL_STREAM:
+    return NGHTTP3_H3_CLOSED_CRITICAL_STREAM;
+  case NGHTTP3_ERR_H3_GENERAL_PROTOCOL_ERROR:
+    return NGHTTP3_H3_GENERAL_PROTOCOL_ERROR;
+  case NGHTTP3_ERR_H3_ID_ERROR:
+    return NGHTTP3_H3_ID_ERROR;
+  case NGHTTP3_ERR_H3_SETTINGS_ERROR:
+    return NGHTTP3_H3_SETTINGS_ERROR;
+  case NGHTTP3_ERR_H3_STREAM_CREATION_ERROR:
+    return NGHTTP3_H3_STREAM_CREATION_ERROR;
+  case NGHTTP3_ERR_MALFORMED_HTTP_HEADER:
+  case NGHTTP3_ERR_MALFORMED_HTTP_MESSAGING:
+    return NGHTTP3_H3_MESSAGE_ERROR;
+  default:
+    return NGHTTP3_H3_GENERAL_PROTOCOL_ERROR;
+  }
+}
+
+int nghttp3_err_is_fatal(int liberr) { return liberr < NGHTTP3_ERR_FATAL; }