Mercurial > hg > nginx
annotate src/event/ngx_event_quic_transport.c @ 8224:ae35ccba7aa6 quic
Extracted transport part of the code into separate file.
All code dealing with serializing/deserializing
is moved int srv/event/ngx_event_quic_transport.c/h file.
All macros for dealing with data are internal to source file.
The header file exposes frame types and error codes.
The exported functions are currently packet header parsers and writers
and frames parser/writer.
The ngx_quic_header_t structure is updated with 'log' member. This avoids
passing extra argument to parsing functions that need to report errors.
author | Vladimir Homutov <vl@nginx.com> |
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date | Wed, 18 Mar 2020 12:58:27 +0300 |
parents | |
children | 78540e2160d0 |
rev | line source |
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8224
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
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12 #if (NGX_HAVE_NONALIGNED) |
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13 |
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14 #define ngx_quic_parse_uint16(p) ntohs(*(uint16_t *) (p)) |
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15 #define ngx_quic_parse_uint32(p) ntohl(*(uint32_t *) (p)) |
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16 |
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17 #define ngx_quic_write_uint16 ngx_quic_write_uint16_aligned |
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18 #define ngx_quic_write_uint32 ngx_quic_write_uint32_aligned |
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19 |
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20 #else |
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21 |
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22 #define ngx_quic_parse_uint16(p) ((p)[0] << 8 | (p)[1]) |
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23 #define ngx_quic_parse_uint32(p) \ |
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24 ((uint32_t) (p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3]) |
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25 |
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26 #define ngx_quic_write_uint16(p, s) \ |
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27 ((p)[0] = (u_char) ((s) >> 8), \ |
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28 (p)[1] = (u_char) (s), \ |
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29 (p) + sizeof(uint16_t)) |
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30 |
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31 #define ngx_quic_write_uint32(p, s) \ |
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32 ((p)[0] = (u_char) ((s) >> 24), \ |
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33 (p)[1] = (u_char) ((s) >> 16), \ |
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34 (p)[2] = (u_char) ((s) >> 8), \ |
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35 (p)[3] = (u_char) (s), \ |
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36 (p) + sizeof(uint32_t)) |
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37 |
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38 #endif |
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39 |
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40 |
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41 #define ngx_quic_write_uint16_aligned(p, s) \ |
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42 (*(uint16_t *) (p) = htons((uint16_t) (s)), (p) + sizeof(uint16_t)) |
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43 |
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44 #define ngx_quic_write_uint32_aligned(p, s) \ |
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45 (*(uint32_t *) (p) = htonl((uint32_t) (s)), (p) + sizeof(uint32_t)) |
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46 |
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47 #define ngx_quic_varint_len(value) \ |
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48 ((value) <= 63 ? 1 \ |
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49 : ((uint32_t) value) <= 16383 ? 2 \ |
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50 : ((uint64_t) value) <= 1073741823 ? 4 \ |
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51 : 8) |
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52 |
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53 |
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54 static uint64_t ngx_quic_parse_int(u_char **pos); |
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55 static void ngx_quic_build_int(u_char **pos, uint64_t value); |
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56 |
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57 static size_t ngx_quic_create_ack(u_char *p, ngx_quic_ack_frame_t *ack); |
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58 static size_t ngx_quic_create_crypto(u_char *p, |
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59 ngx_quic_crypto_frame_t *crypto); |
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60 static size_t ngx_quic_create_stream(u_char *p, ngx_quic_stream_frame_t *sf); |
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61 |
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62 |
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63 /* literal errors indexed by corresponding value */ |
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64 static char *ngx_quic_errors[] = { |
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65 "NO_ERROR", |
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66 "INTERNAL_ERROR", |
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67 "SERVER_BUSY", |
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68 "FLOW_CONTROL_ERROR", |
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69 "STREAM_LIMIT_ERROR", |
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70 "STREAM_STATE_ERROR", |
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71 "FINAL_SIZE_ERROR", |
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72 "FRAME_ENCODING_ERROR", |
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73 "TRANSPORT_PARAMETER_ERROR", |
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74 "CONNECTION_ID_LIMIT_ERROR", |
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75 "PROTOCOL_VIOLATION", |
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76 "INVALID_TOKEN", |
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77 "", |
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78 "CRYPTO_BUFFER_EXCEEDED", |
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79 "CRYPTO_ERROR", |
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80 }; |
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81 |
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82 |
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83 static uint64_t |
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84 ngx_quic_parse_int(u_char **pos) |
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85 { |
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86 u_char *p; |
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87 uint64_t value; |
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88 ngx_uint_t len; |
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89 |
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90 p = *pos; |
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91 len = 1 << ((*p & 0xc0) >> 6); |
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92 value = *p++ & 0x3f; |
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93 |
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94 while (--len) { |
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95 value = (value << 8) + *p++; |
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96 } |
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97 |
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98 *pos = p; |
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99 return value; |
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100 } |
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101 |
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102 |
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103 static void |
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104 ngx_quic_build_int(u_char **pos, uint64_t value) |
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105 { |
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106 u_char *p; |
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107 ngx_uint_t len;//, len2; |
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108 |
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109 p = *pos; |
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110 len = 0; |
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111 |
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112 while (value >> ((1 << len) * 8 - 2)) { |
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113 len++; |
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114 } |
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115 |
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116 *p = len << 6; |
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117 |
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118 // len2 = |
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119 len = (1 << len); |
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120 len--; |
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121 *p |= value >> (len * 8); |
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122 p++; |
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123 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
124 while (len) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
125 *p++ = value >> ((len-- - 1) * 8); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
126 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
127 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
128 *pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
129 // return len2; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
130 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
131 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
132 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
133 u_char * |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
134 ngx_quic_error_text(uint64_t error_code) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
135 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
136 return (u_char *) ngx_quic_errors[error_code]; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
137 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
138 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
139 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
140 ngx_int_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
141 ngx_quic_parse_long_header(ngx_quic_header_t *pkt) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
142 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
143 u_char *p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
144 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
145 p = pkt->data; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
146 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
147 ngx_quic_hexdump0(pkt->log, "long input", pkt->data, pkt->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
148 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
149 if (!(p[0] & NGX_QUIC_PKT_LONG)) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
150 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "not a long packet"); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
151 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
152 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
153 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
154 pkt->flags = *p++; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
155 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
156 pkt->version = ngx_quic_parse_uint32(p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
157 p += sizeof(uint32_t); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
158 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
159 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
160 "quic flags:%xi version:%xD", pkt->flags, pkt->version); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
161 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
162 if (pkt->version != quic_version) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
163 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "unsupported quic version"); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
164 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
165 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
166 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
167 pkt->dcid.len = *p++; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
168 pkt->dcid.data = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
169 p += pkt->dcid.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
170 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
171 pkt->scid.len = *p++; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
172 pkt->scid.data = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
173 p += pkt->scid.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
174 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
175 pkt->raw->pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
176 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
177 return NGX_OK; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
178 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
179 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
180 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
181 size_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
182 ngx_quic_create_long_header(ngx_quic_header_t *pkt, ngx_str_t *out, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
183 size_t pkt_len, u_char **pnp) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
184 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
185 u_char *p, *start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
186 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
187 p = start = out->data; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
188 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
189 *p++ = pkt->flags; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
190 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
191 p = ngx_quic_write_uint32(p, quic_version); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
192 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
193 *p++ = pkt->scid.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
194 p = ngx_cpymem(p, pkt->scid.data, pkt->scid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
195 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
196 *p++ = pkt->dcid.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
197 p = ngx_cpymem(p, pkt->dcid.data, pkt->dcid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
198 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
199 if (pkt->level == ssl_encryption_initial) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
200 ngx_quic_build_int(&p, pkt->token.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
201 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
202 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
203 ngx_quic_build_int(&p, pkt_len + 1); // length (inc. pnl) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
204 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
205 *pnp = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
206 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
207 *p++ = (uint64_t) (*pkt->number); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
208 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
209 return p - start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
210 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
211 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
212 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
213 ngx_int_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
214 ngx_quic_parse_short_header(ngx_quic_header_t *pkt, ngx_str_t *dcid) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
215 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
216 u_char *p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
217 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
218 p = pkt->data; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
219 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
220 ngx_quic_hexdump0(pkt->log, "short input", pkt->data, pkt->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
221 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
222 if ((p[0] & NGX_QUIC_PKT_LONG)) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
223 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "not a short packet"); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
224 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
225 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
226 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
227 pkt->flags = *p++; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
228 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
229 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
230 "quic flags:%xi", pkt->flags); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
231 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
232 if (ngx_memcmp(p, dcid->data, dcid->len) != 0) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
233 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "unexpected quic dcid"); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
234 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
235 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
236 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
237 pkt->dcid.len = dcid->len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
238 pkt->dcid.data = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
239 p += pkt->dcid.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
240 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
241 pkt->raw->pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
242 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
243 return NGX_OK; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
244 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
245 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
246 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
247 ngx_int_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
248 ngx_quic_parse_initial_header(ngx_quic_header_t *pkt) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
249 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
250 u_char *p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
251 ngx_int_t plen; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
252 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
253 p = pkt->raw->pos; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
254 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
255 pkt->token.len = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
256 pkt->token.data = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
257 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
258 p += pkt->token.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
259 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
260 plen = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
261 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
262 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
263 "quic packet length: %d", plen); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
264 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
265 if (plen > pkt->data + pkt->len - p) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
266 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "truncated initial packet"); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
267 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
268 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
269 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
270 pkt->raw->pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
271 pkt->len = plen; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
272 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
273 ngx_quic_hexdump0(pkt->log, "DCID", pkt->dcid.data, pkt->dcid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
274 ngx_quic_hexdump0(pkt->log, "SCID", pkt->scid.data, pkt->scid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
275 ngx_quic_hexdump0(pkt->log, "token", pkt->token.data, pkt->token.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
276 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
277 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
278 "quic packet length: %d", plen); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
279 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
280 return NGX_OK; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
281 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
282 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
283 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
284 ngx_int_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
285 ngx_quic_parse_handshake_header(ngx_quic_header_t *pkt) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
286 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
287 u_char *p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
288 ngx_int_t plen; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
289 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
290 p = pkt->raw->pos; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
291 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
292 plen = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
293 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
294 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
295 "quic packet length: %d", plen); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
296 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
297 if (plen > pkt->data + pkt->len - p) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
298 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "truncated handshake packet"); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
299 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
300 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
301 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
302 pkt->raw->pos = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
303 pkt->len = plen; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
304 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
305 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
306 "quic packet length: %d", plen); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
307 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
308 return NGX_OK; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
309 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
310 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
311 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
312 #define ngx_quic_stream_bit_off(val) (((val) & 0x04) ? 1 : 0) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
313 #define ngx_quic_stream_bit_len(val) (((val) & 0x02) ? 1 : 0) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
314 #define ngx_quic_stream_bit_fin(val) (((val) & 0x01) ? 1 : 0) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
315 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
316 ssize_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 ngx_quic_parse_frame(u_char *start, u_char *end, ngx_quic_frame_t *frame) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
318 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
319 u_char *p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
320 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
321 size_t npad; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
322 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
323 p = start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
324 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
325 frame->type = *p++; // TODO: check overflow (p < end) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
326 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
327 switch (frame->type) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
329 case NGX_QUIC_FT_CRYPTO: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
330 frame->u.crypto.offset = *p++; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
331 frame->u.crypto.len = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
332 frame->u.crypto.data = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
333 p += frame->u.crypto.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
334 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
335 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
336 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
337 case NGX_QUIC_FT_PADDING: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
338 npad = 0; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
339 while (p < end && *p == NGX_QUIC_FT_PADDING) { // XXX |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
340 p++; npad++; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
341 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
342 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
343 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
344 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
345 case NGX_QUIC_FT_ACK: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
346 case NGX_QUIC_FT_ACK_ECN: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
347 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
348 frame->u.ack.largest = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
349 frame->u.ack.delay = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
350 frame->u.ack.range_count =ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
351 frame->u.ack.first_range =ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
352 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
353 if (frame->u.ack.range_count) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
354 frame->u.ack.ranges[0] = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
355 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
356 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
357 if (frame->type ==NGX_QUIC_FT_ACK_ECN) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
358 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
359 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
360 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
361 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
362 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
363 case NGX_QUIC_FT_PING: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
364 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
365 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
366 case NGX_QUIC_FT_NEW_CONNECTION_ID: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
367 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
368 frame->u.ncid.seqnum = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
369 frame->u.ncid.retire = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
370 frame->u.ncid.len = *p++; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
371 ngx_memcpy(frame->u.ncid.cid, p, frame->u.ncid.len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
372 p += frame->u.ncid.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
373 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
374 ngx_memcpy(frame->u.ncid.srt, p, 16); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
375 p += 16; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
376 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
377 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
378 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
379 case NGX_QUIC_FT_CONNECTION_CLOSE: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
380 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
381 frame->u.close.error_code = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
382 frame->u.close.frame_type = ngx_quic_parse_int(&p); // not in 0x1d CC |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
383 frame->u.close.reason.len = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
384 frame->u.close.reason.data = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
385 p += frame->u.close.reason.len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
386 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
387 if (frame->u.close.error_code > NGX_QUIC_ERR_LAST) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
388 frame->u.close.error_code = NGX_QUIC_ERR_LAST; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
389 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
390 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
391 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
392 case NGX_QUIC_FT_STREAM0: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
393 case NGX_QUIC_FT_STREAM1: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
394 case NGX_QUIC_FT_STREAM2: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
395 case NGX_QUIC_FT_STREAM3: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
396 case NGX_QUIC_FT_STREAM4: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
397 case NGX_QUIC_FT_STREAM5: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
398 case NGX_QUIC_FT_STREAM6: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
399 case NGX_QUIC_FT_STREAM7: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
400 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
401 frame->u.stream.type = frame->type; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
402 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
403 frame->u.stream.off = ngx_quic_stream_bit_off(frame->type); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
404 frame->u.stream.len = ngx_quic_stream_bit_len(frame->type); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
405 frame->u.stream.fin = ngx_quic_stream_bit_fin(frame->type); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
406 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
407 frame->u.stream.stream_id = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
408 if (frame->type & 0x04) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
409 frame->u.stream.offset = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
410 } else { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
411 frame->u.stream.offset = 0; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
412 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
413 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
414 if (frame->type & 0x02) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
415 frame->u.stream.length = ngx_quic_parse_int(&p); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
416 } else { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
417 frame->u.stream.length = end - p; /* up to packet end */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
418 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
419 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
420 frame->u.stream.data = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
421 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
422 p += frame->u.stream.length; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
423 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
424 break; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
425 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
426 default: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
427 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
428 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
429 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
430 return p - start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
431 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
432 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
433 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
434 ssize_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
435 ngx_quic_create_frame(u_char *p, u_char *end, ngx_quic_frame_t *f) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
436 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
437 // TODO: handle end arg |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
438 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
439 switch (f->type) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
440 case NGX_QUIC_FT_ACK: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
441 return ngx_quic_create_ack(p, &f->u.ack); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
442 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
443 case NGX_QUIC_FT_CRYPTO: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
444 return ngx_quic_create_crypto(p, &f->u.crypto); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
445 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
446 case NGX_QUIC_FT_STREAM0: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
447 case NGX_QUIC_FT_STREAM1: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
448 case NGX_QUIC_FT_STREAM2: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
449 case NGX_QUIC_FT_STREAM3: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
450 case NGX_QUIC_FT_STREAM4: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
451 case NGX_QUIC_FT_STREAM5: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
452 case NGX_QUIC_FT_STREAM6: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
453 case NGX_QUIC_FT_STREAM7: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
454 return ngx_quic_create_stream(p, &f->u.stream); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
455 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
456 default: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
457 /* BUG: unsupported frame type generated */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
458 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
459 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
460 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
461 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
462 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
463 size_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
464 ngx_quic_frame_len(ngx_quic_frame_t *frame) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
465 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
466 switch (frame->type) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
467 case NGX_QUIC_FT_ACK: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
468 return ngx_quic_create_ack(NULL, &frame->u.ack); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
469 case NGX_QUIC_FT_CRYPTO: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 return ngx_quic_create_crypto(NULL, &frame->u.crypto); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
471 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
472 case NGX_QUIC_FT_STREAM0: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
473 case NGX_QUIC_FT_STREAM1: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
474 case NGX_QUIC_FT_STREAM2: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 case NGX_QUIC_FT_STREAM3: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
476 case NGX_QUIC_FT_STREAM4: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
477 case NGX_QUIC_FT_STREAM5: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
478 case NGX_QUIC_FT_STREAM6: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
479 case NGX_QUIC_FT_STREAM7: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
480 return ngx_quic_create_stream(NULL, &frame->u.stream); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
481 default: |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
482 /* BUG: unsupported frame type generated */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
483 return 0; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
484 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
485 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
486 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
487 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
488 static size_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 ngx_quic_create_ack(u_char *p, ngx_quic_ack_frame_t *ack) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
490 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
491 size_t len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
492 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
493 /* minimal ACK packet */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
494 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
495 if (p == NULL) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
496 len = ngx_quic_varint_len(NGX_QUIC_FT_ACK); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
497 len += ngx_quic_varint_len(ack->pn); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
498 len += ngx_quic_varint_len(0); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
499 len += ngx_quic_varint_len(0); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
500 len += ngx_quic_varint_len(ack->pn); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
501 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
502 return len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
503 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
504 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
505 ngx_quic_build_int(&p, NGX_QUIC_FT_ACK); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
506 ngx_quic_build_int(&p, ack->pn); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
507 ngx_quic_build_int(&p, 0); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
508 ngx_quic_build_int(&p, 0); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
509 ngx_quic_build_int(&p, ack->pn); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
510 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
511 return 5; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
512 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
513 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
514 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
515 static size_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
516 ngx_quic_create_crypto(u_char *p, ngx_quic_crypto_frame_t *crypto) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
517 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
518 size_t len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
519 u_char *start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
520 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
521 if (p == NULL) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
522 len = ngx_quic_varint_len(NGX_QUIC_FT_CRYPTO); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
523 len += ngx_quic_varint_len(crypto->offset); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
524 len += ngx_quic_varint_len(crypto->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
525 len += crypto->len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
526 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
527 return len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
528 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
529 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
530 start = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
531 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 ngx_quic_build_int(&p, NGX_QUIC_FT_CRYPTO); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
533 ngx_quic_build_int(&p, crypto->offset); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
534 ngx_quic_build_int(&p, crypto->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
535 p = ngx_cpymem(p, crypto->data, crypto->len); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
537 return p - start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
538 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
539 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
541 static size_t |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
542 ngx_quic_create_stream(u_char *p, ngx_quic_stream_frame_t *sf) |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
543 { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
544 size_t len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
545 u_char *start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
546 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
547 if (!sf->len) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
548 #if 0 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
549 ngx_log_error(NGX_LOG_INFO, log, 0, |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
550 "attempt to generate a stream frame without length"); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
551 #endif |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
552 // XXX: handle error in caller |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
553 return NGX_ERROR; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
554 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
555 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
556 if (p == NULL) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
557 len = ngx_quic_varint_len(sf->type); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
558 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
559 if (sf->off) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
560 len += ngx_quic_varint_len(sf->offset); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
561 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
562 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
563 len += ngx_quic_varint_len(sf->stream_id); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
564 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
565 /* length is always present in generated frames */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
566 len += ngx_quic_varint_len(sf->length); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
567 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
568 len += sf->length; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
569 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
570 return len; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
571 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
572 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
573 start = p; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
574 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
575 ngx_quic_build_int(&p, sf->type); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
576 ngx_quic_build_int(&p, sf->stream_id); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
577 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
578 if (sf->off) { |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
579 ngx_quic_build_int(&p, sf->offset); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
580 } |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
581 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
582 /* length is always present in generated frames */ |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
583 ngx_quic_build_int(&p, sf->length); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
584 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
585 p = ngx_cpymem(p, sf->data, sf->length); |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
586 |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
587 return p - start; |
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
588 } |