test/cc_dummy.c

   1 /*
   2  * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "internal/quic_cc.h"
  11 #include "internal/quic_types.h"
  12
  13 typedef struct ossl_cc_dummy_st {
  14     size_t max_dgram_len;
  15     size_t *p_diag_max_dgram_len;
  16 } OSSL_CC_DUMMY;
  17
  18 static void dummy_update_diag(OSSL_CC_DUMMY *d);
  19
  20 static OSSL_CC_DATA *dummy_new(OSSL_TIME (*now_cb)(void *arg),
  21                                void *now_cb_arg)
  22 {
  23     OSSL_CC_DUMMY *d = OPENSSL_zalloc(sizeof(*d));
  24
  25     if (d == NULL)
  26         return NULL;
  27
  28     d->max_dgram_len = QUIC_MIN_INITIAL_DGRAM_LEN;
  29     return (OSSL_CC_DATA *)d;
  30 }
  31
  32 static void dummy_free(OSSL_CC_DATA *cc)
  33 {
  34     OPENSSL_free(cc);
  35 }
  36
  37 static void dummy_reset(OSSL_CC_DATA *cc)
  38 {
  39
  40 }
  41
  42 static int dummy_set_input_params(OSSL_CC_DATA *cc, const OSSL_PARAM *params)
  43 {
  44     OSSL_CC_DUMMY *d = (OSSL_CC_DUMMY *)cc;
  45     const OSSL_PARAM *p;
  46     size_t value;
  47
  48     p = OSSL_PARAM_locate_const(params, OSSL_CC_OPTION_MAX_DGRAM_PAYLOAD_LEN);
  49     if (p != NULL) {
  50         if (!OSSL_PARAM_get_size_t(p, &value))
  51             return 0;
  52         if (value < QUIC_MIN_INITIAL_DGRAM_LEN)
  53             return 0;
  54
  55         d->max_dgram_len = value;
  56         dummy_update_diag(d);
  57     }
  58
  59     return 1;
  60 }
  61
  62 static int dummy_bind_diagnostic(OSSL_CC_DATA *cc, OSSL_PARAM *params)
  63 {
  64     OSSL_CC_DUMMY *d = (OSSL_CC_DUMMY *)cc;
  65     const OSSL_PARAM *p;
  66
  67     p = OSSL_PARAM_locate_const(params, OSSL_CC_OPTION_MAX_DGRAM_PAYLOAD_LEN);
  68     if (p != NULL) {
  69         if (p->data_type != OSSL_PARAM_UNSIGNED_INTEGER
  70             || p->data_size != sizeof(size_t))
  71             return 0;
  72
  73         d->p_diag_max_dgram_len = p->data;
  74     }
  75
  76     dummy_update_diag(d);
  77     return 1;
  78 }
  79
  80 static int dummy_unbind_diagnostic(OSSL_CC_DATA *cc, OSSL_PARAM *params)
  81 {
  82     OSSL_CC_DUMMY *d = (OSSL_CC_DUMMY *)cc;
  83
  84     if (OSSL_PARAM_locate_const(params, OSSL_CC_OPTION_MAX_DGRAM_PAYLOAD_LEN)
  85         != NULL)
  86         d->p_diag_max_dgram_len = NULL;
  87
  88     return 1;
  89 }
  90
  91 static void dummy_update_diag(OSSL_CC_DUMMY *d)
  92 {
  93     if (d->p_diag_max_dgram_len != NULL)
  94         *d->p_diag_max_dgram_len = d->max_dgram_len;
  95 }
  96
  97 static uint64_t dummy_get_tx_allowance(OSSL_CC_DATA *cc)
  98 {
  99     return SIZE_MAX;
 100 }
 101
 102 static OSSL_TIME dummy_get_wakeup_deadline(OSSL_CC_DATA *cc)
 103 {
 104     return ossl_time_infinite();
 105 }
 106
 107 static int dummy_on_data_sent(OSSL_CC_DATA *cc,
 108                               uint64_t num_bytes)
 109 {
 110     return 1;
 111 }
 112
 113 static int dummy_on_data_acked(OSSL_CC_DATA *cc,
 114                                const OSSL_CC_ACK_INFO *info)
 115 {
 116     return 1;
 117 }
 118
 119 static int dummy_on_data_lost(OSSL_CC_DATA *cc,
 120                               const OSSL_CC_LOSS_INFO *info)
 121 {
 122     return 1;
 123 }
 124
 125 static int dummy_on_data_lost_finished(OSSL_CC_DATA *cc,
 126                                        uint32_t flags)
 127 {
 128     return 1;
 129 }
 130
 131 static int dummy_on_data_invalidated(OSSL_CC_DATA *cc,
 132                                      uint64_t num_bytes)
 133 {
 134     return 1;
 135 }
 136
 137 const OSSL_CC_METHOD ossl_cc_dummy_method = {
 138     dummy_new,
 139     dummy_free,
 140     dummy_reset,
 141     dummy_set_input_params,
 142     dummy_bind_diagnostic,
 143     dummy_unbind_diagnostic,
 144     dummy_get_tx_allowance,
 145     dummy_get_wakeup_deadline,
 146     dummy_on_data_sent,
 147     dummy_on_data_acked,
 148     dummy_on_data_lost,
 149     dummy_on_data_lost_finished,
 150     dummy_on_data_invalidated,
 151 };