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Prepare the SSL modules for using timer callbacks

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This commit is contained in:
Manuel Pégourié-Gonnard
2015-05-12 20:55:41 +02:00
parent ca3bdc5632
commit 2e01291739
2 changed files with 56 additions and 12 deletions
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26
include/mbedtls/ssl.h
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@ -998,8 +998,10 @@ struct mbedtls_ssl_context
* Timers
*/
#if defined(MBEDTLS_SSL_PROTO_DTLS)
struct mbedtls_timing_hr_time time_info; /*!< timer context */
unsigned long time_limit; /*!< limit for the running timer */
mbedtls_timing_delay_context WIP_timer; /* temporary */
void *p_timer; /*!< context for the timer callbacks */
void (*f_set_timer)(void *, uint32_t, uint32_t); /*!< set timer callback */
int (*f_get_timer)(void *); /*!< get timer callback */
#endif
/*
@ -1303,6 +1305,26 @@ void mbedtls_ssl_set_bio( mbedtls_ssl_context *ssl,
*/
void mbedtls_ssl_conf_read_timeout( mbedtls_ssl_config *conf, uint32_t timeout );
/**
* \brief Set the timer callbacks
* (Mandatory for DTLS.)
*
* \param ssl SSL context
* \param p_timer parameter (context) shared by timer callback
* \param f_set_timer set timer callback
* Accepts an intermediate and a final delay in milliseconcs
* If the final delay is 0, cancels the running timer.
* \param f_get_timer get timer callback. Must return:
* -1 if cancelled
* 0 if none of the delays is expired
* 1 if the intermediate delay only is expired
* 2 if the final delay is expired
*/
void mbedtls_ssl_set_timer_cb( mbedtls_ssl_context *ssl,
void *p_timer,
void (*f_set_timer)(void *, uint32_t int_ms, uint32_t fin_ms),
int (*f_get_timer)(void *) );
#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
/**
* \brief Set client's transport-level identification info.