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RTC: Show dtls info

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This commit is contained in:
winlin 2020-09-01 11:14:41 +08:00
parent 2cbc00bf61
commit b5296d82f4
1 changed files with 36 additions and 0 deletions
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36
trunk/src/app/srs_app_rtc_dtls.cpp
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@ -54,6 +54,39 @@ int srs_verify_callback(int preverify_ok, X509_STORE_CTX *ctx)
return 1;
}
// Print the information of SSL, DTLS alert as such.
void ssl_on_info(const SSL* dtls, int where, int ret)
{
const char* what;
int w = where& ~SSL_ST_MASK;
if (w & SSL_ST_CONNECT) {
what = "SSL_connect";
} else if (w & SSL_ST_ACCEPT) {
what = "SSL_accept";
} else {
what = "undefined";
}
int r1 = SSL_get_error(dtls, ret);
if (where & SSL_CB_LOOP) {
srs_info("DTLS: %s:%s, where=%d, ret=%d, r1=%d", what, SSL_state_string_long(dtls), where, ret, r1);
} else if (where & SSL_CB_ALERT) {
what = (where & SSL_CB_READ)?"read":"write";
srs_error("DTLS: SSL3 alert %s:%s:%s, where=%d, ret=%d, r1=%d", what, SSL_alert_type_string_long(ret),
SSL_alert_desc_string_long(ret), where, ret, r1);
} else if (where & SSL_CB_EXIT) {
if (ret == 0) {
srs_warn("DTLS: %s:failed as %s, where=%d, ret=%d, r1=%d", what, SSL_state_string_long(dtls), where, ret, r1);
} else if (ret < 0) {
if (r1 != SSL_ERROR_NONE && r1 != SSL_ERROR_WANT_READ && r1 != SSL_ERROR_WANT_WRITE) {
srs_error("DTLS: %s:error as %s, where=%d, ret=%d, r1=%d", what, SSL_state_string_long(dtls), where, ret, r1);
} else {
srs_info("DTLS: %s:error as %s, where=%d, ret=%d, r1=%d", what, SSL_state_string_long(dtls), where, ret, r1);
}
}
}
}
SSL_CTX* srs_build_dtls_ctx(SrsDtlsVersion version)
{
SSL_CTX* dtls_ctx;
@ -362,6 +395,9 @@ srs_error_t SrsDtlsImpl::initialize(std::string version)
return srs_error_new(ERROR_OpenSslCreateSSL, "SSL_new dtls");
}
SSL_set_ex_data(dtls, 0, this);
SSL_set_info_callback(dtls, ssl_on_info);
if ((bio_in = BIO_new(BIO_s_mem())) == NULL) {
return srs_error_new(ERROR_OpenSslBIONew, "BIO_new in");
}