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Cleanup

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This commit is contained in:
Paul-Louis Ageneau
2020-05-04 14:27:50 +02:00
parent 61d0f6ef73
commit e97efaf38d
1 changed files with 6 additions and 6 deletions
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12
src/dtlstransport.cpp
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@ -88,7 +88,6 @@ DtlsTransport::DtlsTransport(shared_ptr<IceTransport> lower, shared_ptr<Certific
check_gnutls( check_gnutls(
gnutls_credentials_set(mSession, GNUTLS_CRD_CERTIFICATE, mCertificate->credentials())); gnutls_credentials_set(mSession, GNUTLS_CRD_CERTIFICATE, mCertificate->credentials()));
gnutls_dtls_set_mtu(mSession, 1280 - 40 - 8); // min MTU over UDP/IPv6 (only for handshake)
gnutls_dtls_set_timeouts(mSession, gnutls_dtls_set_timeouts(mSession,
1000, // 1s retransmission timeout recommended by RFC 6347 1000, // 1s retransmission timeout recommended by RFC 6347
30000); // 30s total timeout 30000); // 30s total timeout
@ -161,6 +160,7 @@ void DtlsTransport::runRecvLoop() {
// Handshake loop // Handshake loop
try { try {
changeState(State::Connecting); changeState(State::Connecting);
gnutls_dtls_set_mtu(mSession, 1280 - 40 - 8); // min MTU over UDP/IPv6
int ret; int ret;
do { do {
@ -184,7 +184,7 @@ void DtlsTransport::runRecvLoop() {
// Receive loop // Receive loop
try { try {
PLOG_DEBUG << "DTLS handshake done"; PLOG_INFO << "DTLS handshake done";
changeState(State::Connected); changeState(State::Connected);
const size_t bufferSize = maxMtu; const size_t bufferSize = maxMtu;
@ -391,7 +391,6 @@ DtlsTransport::DtlsTransport(shared_ptr<IceTransport> lower, shared_ptr<Certific
throw std::runtime_error("Unable to create SSL instance"); throw std::runtime_error("Unable to create SSL instance");
SSL_set_ex_data(mSsl, TransportExIndex, this); SSL_set_ex_data(mSsl, TransportExIndex, this);
SSL_set_mtu(mSsl, 1280 - 40 - 8); // min MTU over UDP/IPv6
if (lower->role() == Description::Role::Active) if (lower->role() == Description::Role::Active)
SSL_set_connect_state(mSsl); SSL_set_connect_state(mSsl);
@ -465,6 +464,7 @@ void DtlsTransport::runRecvLoop() {
const size_t maxMtu = 4096; const size_t maxMtu = 4096;
try { try {
changeState(State::Connecting); changeState(State::Connecting);
SSL_set_mtu(mSsl, 1280 - 40 - 8); // min MTU over UDP/IPv6
// Initiate the handshake // Initiate the handshake
int ret = SSL_do_handshake(mSsl); int ret = SSL_do_handshake(mSsl);
@ -485,12 +485,12 @@ void DtlsTransport::runRecvLoop() {
break; break;
if (SSL_is_init_finished(mSsl)) { if (SSL_is_init_finished(mSsl)) {
PLOG_DEBUG << "DTLS handshake done";
changeState(State::Connected);
// RFC 8261: DTLS MUST support sending messages larger than the current path // RFC 8261: DTLS MUST support sending messages larger than the current path
// MTU See https://tools.ietf.org/html/rfc8261#section-5 // MTU See https://tools.ietf.org/html/rfc8261#section-5
SSL_set_mtu(mSsl, maxMtu + 1); SSL_set_mtu(mSsl, maxMtu + 1);
PLOG_INFO << "DTLS handshake done";
changeState(State::Connected);
} }
} else { } else {
int ret = SSL_read(mSsl, buffer, bufferSize); int ret = SSL_read(mSsl, buffer, bufferSize);