/*!

 * \file rtsp_client.h

 * \date 2018/11/28 18:01

 *

 * \author wlla

 * Contact: user@company.com

 *

 * \brief 

 *

 * rtsp¿Í»§¶Ë

 *

 * \note

*/

#pragma once

#include "rtsp.h"

#include "uv.h"



#define SOCKET_RECV_BUFF_LEN 1024



enum RTSP_ERR_NUM

{

    RTSP_ERR_SUCESS = 0,

    RTSP_ERR_CONNECT_FAILED = -1000,

    RTSP_ERR_TCP_RECV_FAILED,

    RTSP_ERR_IP4_ADDR_FAILED,

    RTSP_ERR_TCP_SEND_FAILED,

    RTSP_ERR_OPTION_FAILED,

    RTSP_ERR_DESCRIBE_FAILED,

    RTSP_ERR_SETUP_FAILED,

    RTSP_ERR_PLAY_FAILED,

    RTSP_ERR_TEARDOWN_FAILED,

    RTSP_ERR_MAX

};



enum RTSP_STEP

{

    RTSP_STEP_NONE,

    RTSP_STEP_OPTION,

    RTSP_STEP_DESCRIBE,

    RTSP_STEP_SETUP,

    RTSP_STEP_PLAY,

    RTSP_STEP_TEARDOWN

};



enum RTSP_STEP_STATE

{

    RTSP_STEP_BEGIN = 0, //¿ªÊ¼·¢ÆðÇëÇó

    RTSP_STEP_SUCESS,    //ÇëÇó³É¹¦

    RTSP_STEP_FAILED,    //ÇëÇóʧ°Ü

};



enum RTSP_CONNECT_STATE

{

    RTSP_CONNECT_INIT = 0,

    RTSP_CONNECT_CONNECTED,

    RTSP_CONNECT_SHUTDOWN,

    RTSP_CONNECT_CLOSE

};



enum RTSP_AUTHORIZATION_TYPE 

{

    RTSP_AUTHORIZATION_NONE = 0,

    RTSP_AUTHORIZATION_BASIC,

    RTSP_AUTHORIZATION_DIGEST

};



class CRtspClient

{

public:

    CRtspClient(RTSP_REQUEST option);

    virtual ~CRtspClient();



    virtual int play(play_cb cb);

    virtual int stop();



    virtual int send_options();

    virtual int send_describe();

    virtual int send_setup();

    virtual int send_play();

    virtual int send_teardown();



    virtual int parse_options();

    virtual int parse_describe();

    virtual int parse_setup();

    virtual int parse_play();

    virtual int parse_teardown();



    /** ¸ù¾ÝoptionÖµÉú³Éuri */

    virtual string make_uri() = 0;



public:

    char*               _send_buff;

    char*               _recv_buff;

    uint32_t            _recv_len;



    uv_tcp_t            _tcp;

    uv_connect_t        _conn;

    uv_write_t          _write;

    uv_shutdown_t       _shutdown;



    RTSP_REQUEST        _option;

    RTSP_STEP           _step;

    RTSP_STEP_STATE     _step_state;

    RTSP_CONNECT_STATE  _conn_state;



    play_cb             _play_cb;

    RTSP_AUTHORIZATION_TYPE    _need_auth;

    string              _uri;

    string              _realm;

    string              _nonce;

    string              _session;

    string              _auth_md5;

};