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RTC: Support config the DTLS role and version

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This commit is contained in:
winlin 2020-06-27 11:13:53 +08:00
parent a6ade57ce5
commit 94ebcf6306
10 changed files with 171 additions and 38 deletions
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31
trunk/src/app/srs_app_rtc_dtls.hpp
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@ -62,6 +62,22 @@ public:
// @global config object.
extern SrsDtlsCertificate* _srs_rtc_dtls_certificate;
// @remark: play the role of DTLS_CLIENT, will send handshake
// packet first.
enum SrsDtlsRole {
SrsDtlsRoleClient,
SrsDtlsRoleServer
};
// @remark: DTLS_10 will all be ignored, and only DTLS1_2 will be accepted,
// DTLS_10 Support will be completely removed in M84 or later.
// TODO(https://bugs.webrtc.org/10261).
enum SrsDtlsVersion {
SrsDtlsVersionAuto = -1,
SrsDtlsVersion1_0,
SrsDtlsVersion1_2
};
class ISrsDtlsCallback
{
public:
@ -85,19 +101,26 @@ private:
BIO* bio_out;
ISrsDtlsCallback* callback;
bool handshake_done;
// @remark: dtls_role_ default value is DTLS_SERVER.
SrsDtlsRole role_;
// @remark: dtls_version_ default value is SrsDtlsVersionAuto.
SrsDtlsVersion version_;
public:
SrsDtls(ISrsDtlsCallback* callback);
virtual ~SrsDtls();
public:
srs_error_t initialize(SrsRequest* r);
srs_error_t do_handshake();
srs_error_t initialize(std::string role, std::string version);
// As DTLS client, start handshake actively, send the ClientHello packet.
srs_error_t start_active_handshake();
// When got DTLS packet, may handshake packets or application data.
// @remark When we are passive(DTLS server), we start handshake when got DTLS packet.
srs_error_t on_dtls(char* data, int nb_data);
srs_error_t get_srtp_key(std::string& recv_key, std::string& send_key);
private:
SSL_CTX* build_dtls_ctx();
srs_error_t handshake();
srs_error_t do_handshake();
};
class SrsSRTP