diff options
Diffstat (limited to 'doc/examples/ex-serv-dtls.c')
| -rw-r--r-- | doc/examples/ex-serv-dtls.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/doc/examples/ex-serv-dtls.c b/doc/examples/ex-serv-dtls.c index 40b4f4728f..7374d96b45 100644 --- a/doc/examples/ex-serv-dtls.c +++ b/doc/examples/ex-serv-dtls.c @@ -27,6 +27,11 @@ * Note that error checking is minimal to simplify the example. */ +#define LOOP_CHECK(rval, cmd) \ + do { \ + rval = cmd; \ + } while(rval == GNUTLS_E_AGAIN || rval == GNUTLS_E_INTERRUPTED) + #define MAX_BUFFER 1024 #define PORT 5557 @@ -197,11 +202,7 @@ int main(void) gnutls_transport_set_pull_timeout_function(session, pull_timeout_func); - do { - ret = gnutls_handshake(session); - } - while (ret == GNUTLS_E_INTERRUPTED - || ret == GNUTLS_E_AGAIN); + LOOP_CHECK(ret, gnutls_handshake(session)); /* Note that DTLS may also receive GNUTLS_E_LARGE_PACKET. * In that case the MTU should be adjusted. */ @@ -216,14 +217,10 @@ int main(void) printf("- Handshake was completed\n"); for (;;) { - do { - ret = + LOOP_CHECK(ret, gnutls_record_recv_seq(session, buffer, MAX_BUFFER, - sequence); - } - while (ret == GNUTLS_E_AGAIN - || ret == GNUTLS_E_INTERRUPTED); + sequence)); if (ret < 0 && gnutls_error_is_fatal(ret) == 0) { fprintf(stderr, "*** Warning: %s\n", @@ -248,7 +245,7 @@ int main(void) sequence[6], sequence[7], buffer); /* reply back */ - ret = gnutls_record_send(session, buffer, ret); + LOOP_CHECK(ret, gnutls_record_send(session, buffer, ret)); if (ret < 0) { fprintf(stderr, "Error in send(): %s\n", gnutls_strerror(ret)); @@ -256,7 +253,7 @@ int main(void) } } - gnutls_bye(session, GNUTLS_SHUT_WR); + LOOP_CHECK(ret, gnutls_bye(session, GNUTLS_SHUT_WR)); gnutls_deinit(session); } |