ZLMediaKit/webrtc/dtls_transport.h

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2021-03-24 16:52:41 +08:00
//
// Created by xueyuegui on 19-12-7.
//
#ifndef MYWEBRTC_MYDTLSTRANSPORT_H
#define MYWEBRTC_MYDTLSTRANSPORT_H
#include <functional>
#include <memory>
#include "rtc_dtls_transport.h"
class DtlsTransport : RTC::DtlsTransport::Listener {
public:
typedef std::shared_ptr<DtlsTransport> Ptr;
DtlsTransport(bool bServer);
~DtlsTransport();
void Start();
void Close();
void InputData(char *buf, size_t len);
void OutputData(char *buf, size_t len);
static bool IsDtlsPacket(const char *buf, size_t len);
std::string GetMyFingerprint() {
auto finger_prints = dtls_transport_->GetLocalFingerprints();
for (size_t i = 0; i < finger_prints.size(); i++) {
if (finger_prints[i].algorithm == RTC::DtlsTransport::FingerprintAlgorithm::SHA256) {
return finger_prints[i].value;
}
}
return "";
};
void SetHandshakeCompletedCB(std::function<void(std::string clientKey, std::string serverKey, RTC::CryptoSuite)> cb) {
handshake_completed_callback_ = std::move(cb);
}
void SetHandshakeFailedCB(std::function<void()> cb) { handshake_failed_callback_ = std::move(cb); }
void SetOutPutCB(std::function<void(char *buf, size_t len)> cb) { output_callback_ = std::move(cb); }
/* Pure virtual methods inherited from RTC::DtlsTransport::Listener. */
public:
void OnDtlsTransportConnecting(const RTC::DtlsTransport *dtlsTransport) override;
void OnDtlsTransportConnected(const RTC::DtlsTransport *dtlsTransport, RTC::CryptoSuite srtpCryptoSuite, uint8_t *srtpLocalKey, size_t srtpLocalKeyLen, uint8_t *srtpRemoteKey, size_t srtpRemoteKeyLen, std::string &remoteCert) override;
void OnDtlsTransportFailed(const RTC::DtlsTransport *dtlsTransport) override;
void OnDtlsTransportClosed(const RTC::DtlsTransport *dtlsTransport) override;
void OnDtlsTransportSendData(const RTC::DtlsTransport *dtlsTransport, const uint8_t *data,size_t len) override;
void OnDtlsTransportApplicationDataReceived(const RTC::DtlsTransport *dtlsTransport, const uint8_t *data, size_t len) override;
private:
bool is_server_ = false;
std::function<void()> handshake_failed_callback_;
std::shared_ptr<RTC::DtlsTransport> dtls_transport_;
std::function<void(char *buf, size_t len)> output_callback_;
std::function<void(std::string client_key, std::string server_key, RTC::CryptoSuite srtp_crypto_suite)> handshake_completed_callback_;
};
#endif// MYWEBRTC_MYDTLSTRANSPORT_H