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pkg/tinydtls: implement sock_dtls_get_event_session

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This commit is contained in:
János Brodbeck 2021-01-19 11:26:17 +01:00
parent 80d592b1b8
commit 04d95d1c5e
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GPG Key ID: 65C193B0D8D1BCE6
2 changed files with 19 additions and 0 deletions
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18
pkg/tinydtls/contrib/sock_dtls.c
View File

@ -87,6 +87,8 @@ static int _read(struct dtls_context_t *ctx, session_t *session, uint8_t *buf,
sock->buffer.session = session;
#ifdef SOCK_HAS_ASYNC
if (sock->async_cb != NULL) {
/* reset retrievable event session */
memset(&sock->async_cb_session, 0, sizeof(sock->async_cb_session));
sock->async_cb(sock, SOCK_ASYNC_MSG_RECV, sock->async_cb_arg);
}
#endif
@ -138,6 +140,7 @@ static int _event(struct dtls_context_t *ctx, session_t *session,
switch (code) {
case DTLS_ALERT_CLOSE_NOTIFY:
/* peer closed their session */
memcpy(&sock->async_cb_session, session, sizeof(session_t));
sock->async_cb(sock, SOCK_ASYNC_CONN_FIN, sock->async_cb_arg);
break;
case DTLS_EVENT_CONNECTED:
@ -279,6 +282,7 @@ int sock_dtls_create(sock_dtls_t *sock, sock_udp_t *udp_sock,
#ifdef SOCK_HAS_ASYNC
sock->async_cb = NULL;
sock->buf_ctx = NULL;
memset(&sock->async_cb_session, 0, sizeof(sock->async_cb_session));
#endif /* SOCK_HAS_ASYNC */
sock->role = role;
sock->tag = tag;
@ -516,6 +520,7 @@ static ssize_t _complete_handshake(sock_dtls_t *sock,
flags |= SOCK_ASYNC_CONN_RECV;
}
}
memcpy(&sock->async_cb_session, session, sizeof(session_t));
sock->async_cb(sock, flags, sock->async_cb_arg);
}
#else
@ -608,6 +613,19 @@ static inline uint32_t _update_timeout(uint32_t start, uint32_t timeout)
}
#ifdef SOCK_HAS_ASYNC
bool sock_dtls_get_event_session(sock_dtls_t *sock,
sock_dtls_session_t *session)
{
assert(sock);
assert(session);
if (sock->async_cb_session.size > 0) {
memcpy(&session->dtls_session, &sock->async_cb_session,
sizeof(sock->async_cb_session));
return true;
}
return false;
}
void _udp_cb(sock_udp_t *udp_sock, sock_async_flags_t flags, void *ctx)
{
sock_dtls_t *sock = ctx;

1
pkg/tinydtls/include/sock_dtls_types.h
View File

@ -52,6 +52,7 @@ struct sock_dtls {
*/
sock_dtls_cb_t async_cb;
void *async_cb_arg; /**< asynchronous callback arg */
session_t async_cb_session; /**< asynchronous callback session */
#if defined(SOCK_HAS_ASYNC_CTX) || defined(DOXYGEN)
/**
* @brief Asynchronous event context