1 /*
2 * ngtcp2
3 *
4 * Copyright (c) 2017 ngtcp2 contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25 #include "ngtcp2_err.h"
26
ngtcp2_strerror(int liberr)27 const char *ngtcp2_strerror(int liberr) {
28 switch (liberr) {
29 case 0:
30 return "NO_ERROR";
31 case NGTCP2_ERR_INVALID_ARGUMENT:
32 return "ERR_INVALID_ARGUMENT";
33 case NGTCP2_ERR_NOBUF:
34 return "ERR_NOBUF";
35 case NGTCP2_ERR_PROTO:
36 return "ERR_PROTO";
37 case NGTCP2_ERR_INVALID_STATE:
38 return "ERR_INVALID_STATE";
39 case NGTCP2_ERR_ACK_FRAME:
40 return "ERR_ACK_FRAME";
41 case NGTCP2_ERR_STREAM_ID_BLOCKED:
42 return "ERR_STREAM_ID_BLOCKED";
43 case NGTCP2_ERR_STREAM_IN_USE:
44 return "ERR_STREAM_IN_USE";
45 case NGTCP2_ERR_STREAM_DATA_BLOCKED:
46 return "ERR_STREAM_DATA_BLOCKED";
47 case NGTCP2_ERR_FLOW_CONTROL:
48 return "ERR_FLOW_CONTROL";
49 case NGTCP2_ERR_CONNECTION_ID_LIMIT:
50 return "ERR_CONNECTION_ID_LIMIT";
51 case NGTCP2_ERR_STREAM_LIMIT:
52 return "ERR_STREAM_LIMIT";
53 case NGTCP2_ERR_FINAL_SIZE:
54 return "ERR_FINAL_SIZE";
55 case NGTCP2_ERR_CRYPTO:
56 return "ERR_CRYPTO";
57 case NGTCP2_ERR_PKT_NUM_EXHAUSTED:
58 return "ERR_PKT_NUM_EXHAUSTED";
59 case NGTCP2_ERR_NOMEM:
60 return "ERR_NOMEM";
61 case NGTCP2_ERR_REQUIRED_TRANSPORT_PARAM:
62 return "ERR_REQUIRED_TRANSPORT_PARAM";
63 case NGTCP2_ERR_MALFORMED_TRANSPORT_PARAM:
64 return "ERR_MALFORMED_TRANSPORT_PARAM";
65 case NGTCP2_ERR_FRAME_ENCODING:
66 return "ERR_FRAME_ENCODING";
67 case NGTCP2_ERR_DECRYPT:
68 return "ERR_DECRYPT";
69 case NGTCP2_ERR_STREAM_SHUT_WR:
70 return "ERR_STREAM_SHUT_WR";
71 case NGTCP2_ERR_STREAM_NOT_FOUND:
72 return "ERR_STREAM_NOT_FOUND";
73 case NGTCP2_ERR_STREAM_STATE:
74 return "ERR_STREAM_STATE";
75 case NGTCP2_ERR_RECV_VERSION_NEGOTIATION:
76 return "ERR_RECV_VERSION_NEGOTIATION";
77 case NGTCP2_ERR_CLOSING:
78 return "ERR_CLOSING";
79 case NGTCP2_ERR_DRAINING:
80 return "ERR_DRAINING";
81 case NGTCP2_ERR_TRANSPORT_PARAM:
82 return "ERR_TRANSPORT_PARAM";
83 case NGTCP2_ERR_DISCARD_PKT:
84 return "ERR_DISCARD_PKT";
85 case NGTCP2_ERR_CONN_ID_BLOCKED:
86 return "ERR_CONN_ID_BLOCKED";
87 case NGTCP2_ERR_CALLBACK_FAILURE:
88 return "ERR_CALLBACK_FAILURE";
89 case NGTCP2_ERR_INTERNAL:
90 return "ERR_INTERNAL";
91 case NGTCP2_ERR_CRYPTO_BUFFER_EXCEEDED:
92 return "ERR_CRYPTO_BUFFER_EXCEEDED";
93 case NGTCP2_ERR_WRITE_MORE:
94 return "ERR_WRITE_MORE";
95 case NGTCP2_ERR_RETRY:
96 return "ERR_RETRY";
97 case NGTCP2_ERR_DROP_CONN:
98 return "ERR_DROP_CONN";
99 case NGTCP2_ERR_AEAD_LIMIT_REACHED:
100 return "ERR_AEAD_LIMIT_REACHED";
101 case NGTCP2_ERR_NO_VIABLE_PATH:
102 return "ERR_NO_VIABLE_PATH";
103 case NGTCP2_ERR_VERSION_NEGOTIATION:
104 return "ERR_VERSION_NEGOTIATION";
105 case NGTCP2_ERR_HANDSHAKE_TIMEOUT:
106 return "ERR_HANDSHAKE_TIMEOUT";
107 case NGTCP2_ERR_VERSION_NEGOTIATION_FAILURE:
108 return "ERR_VERSION_NEGOTIATION_FAILURE";
109 case NGTCP2_ERR_IDLE_CLOSE:
110 return "ERR_IDLE_CLOSE";
111 default:
112 return "(unknown)";
113 }
114 }
115
ngtcp2_err_is_fatal(int liberr)116 int ngtcp2_err_is_fatal(int liberr) { return liberr < NGTCP2_ERR_FATAL; }
117
ngtcp2_err_infer_quic_transport_error_code(int liberr)118 uint64_t ngtcp2_err_infer_quic_transport_error_code(int liberr) {
119 switch (liberr) {
120 case 0:
121 return NGTCP2_NO_ERROR;
122 case NGTCP2_ERR_ACK_FRAME:
123 case NGTCP2_ERR_FRAME_ENCODING:
124 return NGTCP2_FRAME_ENCODING_ERROR;
125 case NGTCP2_ERR_FLOW_CONTROL:
126 return NGTCP2_FLOW_CONTROL_ERROR;
127 case NGTCP2_ERR_CONNECTION_ID_LIMIT:
128 return NGTCP2_CONNECTION_ID_LIMIT_ERROR;
129 case NGTCP2_ERR_STREAM_LIMIT:
130 return NGTCP2_STREAM_LIMIT_ERROR;
131 case NGTCP2_ERR_FINAL_SIZE:
132 return NGTCP2_FINAL_SIZE_ERROR;
133 case NGTCP2_ERR_REQUIRED_TRANSPORT_PARAM:
134 case NGTCP2_ERR_MALFORMED_TRANSPORT_PARAM:
135 case NGTCP2_ERR_TRANSPORT_PARAM:
136 return NGTCP2_TRANSPORT_PARAMETER_ERROR;
137 case NGTCP2_ERR_INVALID_ARGUMENT:
138 case NGTCP2_ERR_NOMEM:
139 case NGTCP2_ERR_CALLBACK_FAILURE:
140 return NGTCP2_INTERNAL_ERROR;
141 case NGTCP2_ERR_STREAM_STATE:
142 return NGTCP2_STREAM_STATE_ERROR;
143 case NGTCP2_ERR_CRYPTO_BUFFER_EXCEEDED:
144 return NGTCP2_CRYPTO_BUFFER_EXCEEDED;
145 case NGTCP2_ERR_AEAD_LIMIT_REACHED:
146 return NGTCP2_AEAD_LIMIT_REACHED;
147 case NGTCP2_ERR_NO_VIABLE_PATH:
148 return NGTCP2_NO_VIABLE_PATH;
149 case NGTCP2_ERR_VERSION_NEGOTIATION_FAILURE:
150 return NGTCP2_VERSION_NEGOTIATION_ERROR_DRAFT;
151 default:
152 return NGTCP2_PROTOCOL_VIOLATION;
153 }
154 }
155