libcoap  4.3.0rc2
coap_dtls_internal.h File Reference
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Macros

#define COAP_DTLS_RETRANSMIT_MS   1000
 
#define COAP_DTLS_RETRANSMIT_TOTAL_MS   60000
 
#define COAP_DTLS_RETRANSMIT_COAP_TICKS   (COAP_DTLS_RETRANSMIT_MS * COAP_TICKS_PER_SECOND / 1000)
 

Functions

void * coap_dtls_new_context (coap_context_t *coap_context)
 Creates a new DTLS context for the given coap_context. More...
 
int coap_dtls_context_set_spsk (coap_context_t *coap_context, coap_dtls_spsk_t *setup_data)
 Set the DTLS context's default server PSK information. More...
 
int coap_dtls_context_set_cpsk (coap_context_t *coap_context, coap_dtls_cpsk_t *setup_data)
 Set the DTLS context's default client PSK information. More...
 
int coap_dtls_context_set_pki (coap_context_t *coap_context, const coap_dtls_pki_t *setup_data, const coap_dtls_role_t role)
 Set the DTLS context's default server PKI information. More...
 
int coap_dtls_context_set_pki_root_cas (coap_context_t *coap_context, const char *ca_file, const char *ca_dir)
 Set the dtls context's default Root CA information for a client or server. More...
 
int coap_dtls_context_check_keys_enabled (coap_context_t *coap_context)
 Check whether one of the coap_dtls_context_set_{psk|pki}() functions have been called. More...
 
void coap_dtls_free_context (void *dtls_context)
 Releases the storage allocated for dtls_context. More...
 
void * coap_dtls_new_client_session (coap_session_t *coap_session)
 Create a new client-side session. More...
 
void * coap_dtls_new_server_session (coap_session_t *coap_session)
 Create a new DTLS server-side session. More...
 
void coap_dtls_free_session (coap_session_t *coap_session)
 Terminates the DTLS session (may send an ALERT if necessary) then frees the underlying TLS library object containing security parameters for the session. More...
 
void coap_dtls_session_update_mtu (coap_session_t *coap_session)
 Notify of a change in the CoAP session's MTU, for example after a PMTU update. More...
 
int coap_dtls_send (coap_session_t *coap_session, const uint8_t *data, size_t data_len)
 Send data to a DTLS peer. More...
 
int coap_dtls_is_context_timeout (void)
 Check if timeout is handled per CoAP session or per CoAP context. More...
 
coap_tick_t coap_dtls_get_context_timeout (void *dtls_context)
 Do all pending retransmits and get next timeout. More...
 
coap_tick_t coap_dtls_get_timeout (coap_session_t *coap_session, coap_tick_t now)
 Get next timeout for this session. More...
 
void coap_dtls_handle_timeout (coap_session_t *coap_session)
 Handle a DTLS timeout expiration. More...
 
int coap_dtls_receive (coap_session_t *coap_session, const uint8_t *data, size_t data_len)
 Handling incoming data from a DTLS peer. More...
 
int coap_dtls_hello (coap_session_t *coap_session, const uint8_t *data, size_t data_len)
 Handling client HELLO messages from a new candiate peer. More...
 
unsigned int coap_dtls_get_overhead (coap_session_t *coap_session)
 Get DTLS overhead over cleartext PDUs. More...
 
void * coap_tls_new_client_session (coap_session_t *coap_session, int *connected)
 Create a new TLS client-side session. More...
 
void * coap_tls_new_server_session (coap_session_t *coap_session, int *connected)
 Create a TLS new server-side session. More...
 
void coap_tls_free_session (coap_session_t *coap_session)
 Terminates the TLS session (may send an ALERT if necessary) then frees the underlying TLS library object containing security parameters for the session. More...
 
ssize_t coap_tls_write (coap_session_t *coap_session, const uint8_t *data, size_t data_len)
 Send data to a TLS peer, with implicit flush. More...
 
ssize_t coap_tls_read (coap_session_t *coap_session, uint8_t *data, size_t data_len)
 Read some data from a TLS peer. More...
 
void coap_dtls_startup (void)
 Initialize the underlying (D)TLS Library layer. More...
 
void coap_dtls_shutdown (void)
 Close down the underlying (D)TLS Library layer. More...
 
void * coap_dtls_get_tls (const coap_session_t *session, coap_tls_library_t *tls_lib)
 Get the actual (D)TLS object for the session. More...