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annotate src/event/ngx_event_quic.h @ 8263:1295b293d09a quic

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Connection states code cleanup. + ngx_quic_init_ssl_methods() is no longer there, we setup methods on SSL connection directly. + the handshake_handler is actually a generic quic input handler + updated c->log->action and debug to reflect changes and be more informative + c->quic is always set in ngx_quic_input() + the quic connection state is set by the results of SSL_do_handshake();
author Vladimir Homutov <vl@nginx.com>
date Mon, 23 Mar 2020 14:53:04 +0300
parents e9891e8ee975
children d45325e90221
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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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7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_
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8 #define _NGX_EVENT_QUIC_H_INCLUDED_
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11 #include <ngx_event_openssl.h>
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14 #define quic_version 0xff000018 /* draft-24 (ngtcp2) */
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15 //#define quic_version 0xff00001b /* draft-27 (FFN 76) */
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18 typedef struct {
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19 /* configurable */
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20 ngx_msec_t max_idle_timeout;
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21 ngx_msec_t max_ack_delay;
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22
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23 ngx_uint_t max_packet_size;
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24 ngx_uint_t initial_max_data;
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25 ngx_uint_t initial_max_stream_data_bidi_local;
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26 ngx_uint_t initial_max_stream_data_bidi_remote;
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27 ngx_uint_t initial_max_stream_data_uni;
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28 ngx_uint_t initial_max_streams_bidi;
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29 ngx_uint_t initial_max_streams_uni;
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30 ngx_uint_t ack_delay_exponent;
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31 ngx_uint_t disable_active_migration;
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32 ngx_uint_t active_connection_id_limit;
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33
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34 /* TODO */
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35 ngx_uint_t original_connection_id;
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36 u_char stateless_reset_token[16];
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37 void *preferred_address;
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38 } ngx_quic_tp_t;
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39
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40
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41 struct ngx_quic_stream_s {
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42 uint64_t id;
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43 ngx_uint_t unidirectional:1;
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44 ngx_connection_t *parent;
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45 void *data;
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46 };
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47
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48
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49 void ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp,
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50 ngx_msec_t timeout, ngx_connection_handler_pt handler);
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51 ngx_connection_t *ngx_quic_create_uni_stream(ngx_connection_t *c);
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53
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54 /********************************* DEBUG *************************************/
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55
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56 #if (NGX_DEBUG)
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57
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58 #define ngx_quic_hexdump(log, fmt, data, len, ...) \
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59 do { \
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60 ngx_int_t m; \
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61 u_char buf[2048]; \
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62 \
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63 if (log->log_level & NGX_LOG_DEBUG_EVENT) { \
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64 m = ngx_hex_dump(buf, (u_char *) data, ngx_min(len, 1024)) - buf; \
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65 ngx_log_debug(NGX_LOG_DEBUG_EVENT, log, 0, \
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66 "%s: " fmt " %*s%s, len: %uz", \
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67 __FUNCTION__, __VA_ARGS__, m, buf, \
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68 len < 2048 ? "" : "...", len); \
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69 } \
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70 } while (0)
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71
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72 #else
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73
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74 #define ngx_quic_hexdump(log, fmt, data, len, ...)
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75
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76 #endif
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77
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78 #define ngx_quic_hexdump0(log, fmt, data, len) \
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79 ngx_quic_hexdump(log, fmt "%s", data, len, "") \
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81
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82 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */