acl/lib_acl_cpp/include/acl_cpp/stream/mbedtls_io.hpp

#pragma once
#include "../acl_cpp_define.hpp"
#include "sslbase_io.hpp"

struct ACL_VSTREAM;

namespace acl {

class mbedtls_conf;

/**
 * stream/aio_stream <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ײ<EFBFBD> IO <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĶ<EFBFBD>д<EFBFBD>Ĺ<EFBFBD><EFBFBD>̽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * stream/aio_stream <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Ĭ<EFBFBD>ϵĵײ<EFBFBD> IO <EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>Ϊ<EFBFBD>Ѷ<EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD>
 * stream/aio_stream <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> destroy()<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷű<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
class ACL_CPP_API mbedtls_io : public sslbase_io {
public:
	/**
	 * <EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD>
	 * @param conf {mbedtls_conf&} <EFBFBD><EFBFBD>ÿһ<EFBFBD><EFBFBD> SSL <EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param server_side {bool} <EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ͻ<EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param nblock {bool} <EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
	 */
	mbedtls_io(mbedtls_conf& conf, bool server_side, bool nblock = false);

	/**
	 * @override stream_hook
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> SSL IO <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	void destroy(void);

	/**
	 * @override sslbase_io
	 * <EFBFBD><EFBFBD><EFBFBD>ô˷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SSL <EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD>ڷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IO ģʽ<EFBFBD>¸ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD> handshake_ok()
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD> SSL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 * @return {bool}
	 *  1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD>
	 *  2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true ʱ<EFBFBD><EFBFBD>
	 *  2.1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> IO ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ SSL <EFBFBD><EFBFBD><EFBFBD>ֳɹ<EFBFBD>
	 *  2.2<EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IO ģʽ<EFBFBD>½<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IO <EFBFBD>dzɹ<EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *       handshake_ok() <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD> SSL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool handshake(void);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD>һ<EFBFBD>㲻<EFBFBD>ص<EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool}
	 */
	bool check_peer(void);

protected:
	~mbedtls_io(void);

	// ʵ<><CAB5> stream_hook <20><><EFBFBD><EFBFBD><EFBFBD>鷽<EFBFBD><E9B7BD>

	// @override stream_hook
	bool open(ACL_VSTREAM* s);

	// @override stream_hook
	bool on_close(bool alive);

	// @override stream_hook
	int read(void* buf, size_t len);

	// @override stream_hook
	int send(const void* buf, size_t len);

private:
	mbedtls_conf& conf_;
	void* ssl_;
	void* ssn_;
	char* ebf_;

	const char* ssl_strerror(int err);

private:
	static int sock_read(void *ctx, unsigned char *buf, size_t len);
	static int sock_send(void *ctx, const unsigned char *buf, size_t len);
};

} // namespace acl