int HTTPSessionExecute(TPHTTPSERVERSESSION *pSession)
{
int iRet, iGot;
unsigned long long ullCurTime = tpgetboottime();
pSession->reply_error_code = 0;
RETURN_IVALID_IF(!pSession)
/* 非P2P方式拉流且在规定时间内未完成HTTP的完整消息交互，则断开 */
if ((pSession->p2p_connection == NULL) && (pSession->iSessionState != TPHTTP_SESSION_STATE_PLAYING))
{
if (pSession->ulTime4LastHTTPMsg == 0)
{
pSession->ulTime4LastHTTPMsg = ullCurTime;
}
if ((ullCurTime - pSession->ulTime4LastHTTPMsg) > pSession->ullRecvTimeout)
{
HTTP_ERROR("HTTP: session timeout");
return(TPHTTPSERVER_EC_RTP_FAILURE);
}
}
if((eConnType_Relay == pSession->conn_type)
&& (TPHTTP_SESSION_STATE_INIT == pSession->iSessionState))
{/* relay的init状态才判断是否需要发送心跳包 */
HTTPRelayPreHeatBeat(pSession, (S32)(ullCurTime/1000));
}
/* p2p方式拉流，先判断UDT的状态，UDT状态异常则返回 TPRTSPSERVER_EC_SOCKET_CLOSE */
if(pSession->p2p_connection != NULL)
{
int udt_state = P2PUdt_GetState(pSession->p2p_connection);
if(udt_state != CONNECTING && udt_state != CONNECTED)
{
HTTP_ERROR_LOG("[p2p dbg] UDT state(%d)", udt_state);
return TPRTSPSERVER_EC_SOCKET_CLOSE;
}
else if (udt_state == CONNECTING)
{
/*如果为connecting状态，则判断是否超时*/
if ((ullCurTime - pSession->startconnectTime) > P2P_UDT_SETUP_TIMEOUT)
{
HTTP_ERROR_LOG("[p2p dbg] UDT connecting time out");
return TPRTSPSERVER_EC_SOCKET_CLOSE;
}
}
}
//没有正在发送的http报文，则尝试发送响应信令/通知数据
if (!HttpStreamCtx_IsSendPending(&pSession->stream_ctx))
{
HttpSession_TrySendReplyData(pSession);
}
/* 直接推流功能：根据字段及连接类型 */
if (pSession->is_directly_push_stream && pSession->conn_type == eConnType_Relay)
{
/* 直接推流：将填充拉流参数，跳到取流处*/
pSession->is_directly_push_stream = 0;
pSession->iSessionStream = HTTP_STREAM_PREVIEW;
/* 监听客户端预览拉流请求 */
PREVIEW_STREAM_TYPE_MSG msg = {0};
msg.type = HTTP_STREAM_PREVIEW;
msg_send(PREVIEW_HTTP_STREAM_MID, (uint8_t *)&msg, sizeof(PREVIEW_STREAM_TYPE_MSG));
/* 流数限制判断: 若码流数已达上限，不直接推流 */
int is_up_to_limit = SessionStream_IsUpToLimit(pSession->iCurStreamID, pSession->iSessionStream);
if (is_up_to_limit)
{
HTTPSession_SetState(pSession, TPHTTP_SESSION_STATE_INIT);
}
else
{
HTTPSession_SetState(pSession, TPHTTP_SESSION_STATE_READY);
HttpStreamCtx_Init(&pSession->stream_ctx, pSession->iSessionStream, pSession->uSessionID, 0, 0, pSession);
goto Push_Stream_Handle;
}
}
iGot = HTTPSessionRecv(pSession);
if ((TP_TCP_EC_FAILURE == iGot) || (TP_TCP_EC_SOCKET_CLOSE == iGot) || (iGot == TP_TCP_EC_BUFF_FULL))
{
HTTP_ERROR_LOG("HTTP: iGot=%d", iGot);
if(TPHTTP_SESSION_STATE_PLAYING == pSession->iSessionState && HTTP_STREAM_TALK == pSession->iSessionStream)
{
TALK_MASK_RELOAD_MSG msg = {0};
msg.enabled = 0;
msg_send(TALK_MASK_RELOAD, (uint8_t *)&msg, sizeof(TALK_MASK_RELOAD_MSG));
}
return(TPHTTPSERVER_EC_FAILURE);
}
/* relay首个报文为boundary */
if (pSession->conn_type == eConnType_Relay && pSession->is_relay_boundary_msg)
{
return HTTPHandleRelayBoundaryMsg(pSession);
}
if ((iGot > 0) || (MBUFFERByteArrayCurPos(&pSession->RXBuffer) > 0 && pSession->iSessionParseState != HTTP_EC_NEED_MORE_DATA))
{
iRet = HTTPSessionParse(pSession);
if (iRet == TPHTTPSERVER_EC_FAILURE)
{
HTTP_ERROR_LOG("Session %d recv invalid HTTP Msg", pSession->iSessionID);
if (pSession->conn_type != eConnType_Relay)
{
HTTPSessionReplyBadRequest(pSession);
}
/* 消息错误，清空接收缓存数据 */
MBUFFERByteArrayReset(&pSession->RXBuffer);
return (TPHTTPSERVER_EC_OK);
}
else if (iRet == HTTP_EC_NEED_MORE_DATA)
{
return (TPHTTPSERVER_EC_OK);
}
/* 未知的消息类型，或者是RTCP报文，更新心跳，忽略后续解析 */
if (pSession->Method.iMethod == HTTP_UN_SUPPORT)
{
pSession->ulTime4LastHTTPMsg = ullCurTime;
return (TPHTTPSERVER_EC_OK);
}
pSession->ulTime4LastHTTPMsg = ullCurTime;
switch (pSession->Method.iMethod)
{
case HTTP_POST:
HTTP_DEBUG("Session %d receive POST, current state %d", pSession->iSessionID, pSession->iSessionState);
if (pSession->iSessionState == TPHTTP_SESSION_STATE_READY)
{
int is_up_to_limit = SessionStream_IsUpToLimit(pSession->iCurStreamID, pSession->iSessionStream);
if (is_up_to_limit)
{
#ifdef INAPP_DIAGNOSE
/* 若主子码流都满了诊断流将无法进入playing，则在此处将流数情况通知diagnose模块，同时还原相关变量 */
if (eStreamDiagnose_ON == pSession->diag_mode &&
SessionStream_IsUpToLimit(TPRTP_STREAM_ID_MAIN, HTTP_STREAM_PREVIEW) &&
SessionStream_IsUpToLimit(TPRTP_STREAM_ID_SUB, HTTP_STREAM_PREVIEW))
{
diagnose_reply_bitrate(pSession->conn_type, pSession->bitrate, IPC_DIAGNOSE_STREAM_FULL);
pSession->diag_mode = eStreamDiagnose_INIT;
pSession->diag_start_time = 0;
pSession->trans_byte_total = 0;
pSession->bitrate = 0;
}
#endif
int reply_code = TPPLAYER_SESSION_UP_TO_LIMIT;
#ifdef DOORBELL_FUNCTION_SUPPORT
if (HTTP_STREAM_TALK != pSession->iSessionStream || ERROR == srtp_session_free_talk())
#endif
{
if (HTTP_STREAM_TALK == pSession->iSessionStream)
{
reply_code = TPPLAYER_EC_AUDIO_DEVICE_BUSY;
}
pSession->reply_error_code = reply_code;
iRet = HTTPSessionReplyPOST(pSession);
if (iRet != TPHTTPSERVER_EC_OK)
{
return(TPHTTPSERVER_EC_FAILURE);
}
HTTPSession_SetState(pSession, TPHTTP_SESSION_STATE_INIT);
return TPHTTPSERVER_EC_OK;
}
}
if (pSession->iSessionStream == HTTP_STREAM_PLAYBACK || pSession->iSessionStream == HTTP_STREAM_DOWNLOAD || pSession->iSessionStream == HTTP_STREAM_RECORD_DOWNLOAD)
{
/* 回放/下载录像/下载缩略图信令，若sd卡状态异常(不可用)，则在回复中带上sd卡状态信息 */
if (!is_sd_card_available())
{
pSession->reply_error_code = TPPLAYER_EC_STORAGE_UNAVAILABLE;
iRet = HTTPSessionReplyPOST(pSession);
if (iRet != TPHTTPSERVER_EC_OK)
{
return(TPHTTPSERVER_EC_FAILURE);
}
HTTPSession_SetState(pSession, TPHTTP_SESSION_STATE_INIT);
return TPHTTPSERVER_EC_OK;
}
}
#ifdef TAPO_USR_DEF_AUDIO_UPLOAD
if (HTTP_STREAM_USR_DEF_AUDIO == pSession->iSessionStream)
{
if (pSession->file_ops.fd < 0)
{
int reply_code = 0;
switch (pSession->file_ops.fd)
{
case USR_DEF_AUDIO_FILE_ID_FULL_FD:
reply_code = TPPLAYER_EC_USR_DEF_AUDIO_FULL;
break;
case USR_DEF_AUDIO_DEVICE_BUSY_FD:
reply_code = TPPLAYER_EC_AUDIO_DEVICE_BUSY;
break;
case USR_DEF_AUDIO_NAME_DUPLICATE_FD:
reply_code = TPPLAYER_EC_NAME_DUPLICATE;
break;
default:
break;
}
pSession->reply_error_code = reply_code;
iRet = HTTPSessionReplyPOST(pSession);
if (iRet != TPHTTPSERVER_EC_OK)
{
return (TPHTTPSERVER_EC_FAILURE);
}
HTTPSession_SetState(pSession, TPHTTP_SESSION_STATE_INIT);
return TPHTTPSERVER_EC_OK;
}
}
#endif
}
iRet = HTTPSessionReplyPOST(pSession);
if (iRet != TPHTTPSERVER_EC_OK)
{
return(TPHTTPSERVER_EC_FAILURE);
}
//HTTP_DEBUG("Session %d receive SETUP, current state %d", pSession->iSessionID, pSession->iSessionState);
if (pSession->iSessionState == TPHTTP_SESSION_STATE_READY)
{
if (pSession->iSessionStream == HTTP_STREAM_DOWNLOAD || pSession->iSessionStream == HTTP_STREAM_REALTIME_PHOTO_DOWNLOAD)
{
TPSendDownloadData(pSession);
return(TPHTTPSERVER_EC_OK);
}
#ifdef SPLENDID_MOMENT
else if (pSession->iSessionStream == HTTP_STREAM_SPLMOM_DOWNLOAD)
{
TPSendSplendidMomentData(pSession);
return(TPHTTPSERVER_EC_OK);
}
#endif
#ifdef DETECTION_FSS_SUPPORT
if (pSession->iSessionStream == HTTP_STREAM_GET_FACE)
{
if (pSession->face_info.all_trans_finish == FALSE && pSession->face_info.image_status_check_finish == IMG_CHECK_DONE)
{
if( pSession->face_info.trans_num < pSession->face_info.count
&& pSession->face_info.face_items[pSession->face_info.trans_num].trans_status == IMG_TRANS_SEND_PROCESSING)
{
TPSendFaceimgData(pSession,pSession->face_info.face_items[pSession->face_info.trans_num].face_id);
}
else
{
//当前列表请求的图片全部发完后，face_id=0，发送finished
TPSendFaceimgData(pSession, 0);
}
}
return(TPHTTPSERVER_EC_OK);
}
#endif
Push_Stream_Handle:
if (pSession->iSessionStream == HTTP_STREAM_PREVIEW)
{
if (pSession->iStreamType == TPRTP_STREAM_TYPE_VIDEO_MAIN
#ifdef DUAL_CAM
|| pSession->iStreamType == TPRTP_STREAM_TYPE_VIDEO_MAIN2
#endif
)
{
pSession->video_desc.priv = (void *)pSession;
pSession->video_desc.stream_id = get_http_main_stream_id();
#ifdef DUAL_CAM
if (pSession->iStreamType == TPRTP_STREAM_TYPE_VIDEO_MAIN2)
{
pSession->video_desc.stream_id = get_http_main2_stream_id();
}
else
{
pSession->video2_desc.priv = (void *)pSession;
pSession->video2_desc.stream_id = get_http_main2_stream_id();
pSession->video2_desc.stream_ctx = &pSession->stream_ctx;
pSession->video2_desc.stream_ctx->session_ctx = (void *)pSession;
trans_attach_to_stream(&pSession->video2_desc, NULL);
}
#endif
pSession->video_desc.stream_ctx = &pSession->stream_ctx;
pSession->video_desc.stream_ctx->session_ctx = (void *)pSession;
trans_attach_to_stream(&pSession->video_desc, NULL);
}
else
{
S32 stream_video_id;
#ifdef DUAL_CAM
if (pSession->iStreamType == TPRTP_STREAM_TYPE_VIDEO_MINOR2)
stream_video_id = trans_register_stream_http(AVDM_TYPE_MINOR2, NULL, NULL);
else
#endif
stream_video_id = trans_register_stream_http(AVDM_TYPE_SUB, NULL, NULL);
if(stream_video_id == -1)
{
HTTP_ERROR_LOG("attach stream fail");
return (TPHTTPSERVER_EC_FAILURE);
}
pSession->video_desc.priv = (void *)pSession;
pSession->video_desc.stream_id = stream_video_id;
pSession->video_desc.stream_ctx = &pSession->stream_ctx;
pSession->video_desc.stream_ctx->session_ctx = (void *)pSession;
trans_attach_to_stream(&pSession->video_desc, NULL);
#ifdef DUAL_CAM
if (pSession->iStreamType == TPRTP_STREAM_TYPE_VIDEO_MINOR) // DC_TODO 根据streams判断
{
stream_video_id = trans_register_stream_http(AVDM_TYPE_MINOR2, NULL, NULL);
pSession->video2_desc.priv = (void *)pSession;
pSession->video2_desc.stream_id = stream_video_id;
pSession->video2_desc.stream_ctx = &pSession->stream_ctx;
pSession->video2_desc.stream_ctx->session_ctx = (void *)pSession;
trans_attach_to_stream(&pSession->video2_desc, NULL);
}
#endif
}
{
pSession->audio_desc.priv = (void *)pSession;
pSession->audio_desc.stream_id = get_http_audio_stream_id();
pSession->audio_desc.stream_ctx = &pSession->stream_ctx;
pSession->audio_desc.stream_ctx->session_ctx = (void *)pSession;
trans_attach_to_stream(&pSession->audio_desc, NULL);
}
}
#ifdef DOORBELL_FUNCTION_SUPPORT
else if (pSession->iSessionStream == HTTP_STREAM_AUDIO_ONLY)
{
pSession->audio_desc.priv = (void *)pSession;
pSession->audio_desc.stream_id = get_http_audio_stream_id();
pSession->audio_desc.stream_ctx = &pSession->stream_ctx;
pSession->audio_desc.stream_ctx->session_ctx = (void *)pSession;
trans_attach_to_stream(&pSession->audio_desc, NULL);
}
#endif
else if (pSession->iSessionStream == HTTP_STREAM_PLAYBACK && NULL == pSession->video_desc.priv)
{
{
S32 stream_id;
trans_attach_param_t attach_param;
attach_param.version = pSession->playback_ver;
if (pSession->playback_ver == PLAYBACK_VERSION_WITH_PLAYER_ID)
{
attach_param.data = (void *)pSession->player_id;
}
else
{
attach_param.data = (void *)&pSession->client_id;
}
stream_id = trans_register_stream_http(TRANS_STREAM_TYPE_PLAYBACK, NULL, &attach_param);
if(stream_id == -1)
{
HTTP_ERROR_LOG("attach stream fail");
return (TPHTTPSERVER_EC_FAILURE);
}
pSession->video_desc.priv = (void *)pSession;
pSession->video_desc.stream_id = stream_id;
pSession->video_desc.stream_ctx = &pSession->stream_ctx;
pSession->video_desc.stream_ctx->session_ctx = (void *)pSession;
trans_attach_to_stream(&pSession->video_desc, NULL);
}
}
else if (pSession->iSessionStream == HTTP_STREAM_RECORD_DOWNLOAD && NULL == pSession->video_desc.priv)
{
{
S32 stream_id;
trans_attach_param_t attach_param;
attach_param.version = pSession->playback_ver;
if (pSession->playback_ver == PLAYBACK_VERSION_WITH_PLAYER_ID)
{
attach_param.data = (void *)pSession->player_id;
}
else
{
attach_param.data = (void *)&pSession->client_id;
}
stream_id = trans_register_stream_http(TRANS_STREAM_TYPE_RECORD_DOWNLOAD, NULL, &attach_param);
if(stream_id == -1)
{
HTTP_ERROR("attach stream fail");
return (TPHTTPSERVER_EC_FAILURE);
}
pSession->video_desc.priv = (void *)pSession;
pSession->video_desc.stream_id = stream_id;
pSession->video_desc.stream_ctx = &pSession->stream_ctx;
pSession->video_desc.stream_ctx->session_ctx = (void *)pSession;
trans_attach_to_stream(&pSession->video_desc, NULL);
}
}
//HTTP_DEBUG("Session: %d receive PLAY, current state %d", pSession->iSessionID, pSession->iSessionState);
pSession->video_desc.param.start_time = (pSession->npt == -1 || pSession->npt == 0) ? pSession->start_time : pSession->npt;
pSession->video_desc.param.timestamp = pSession->timestamp;
pSession->video_desc.param.change_day = pSession->change_day;
if(TPHTTP_SESSION_STATE_PAUSE == pSession->iSessionState && pSession->npt == -1)
pSession->video_desc.param.start_time = -1;
pSession->video_desc.param.client_id = pSession->video_desc.stream_id;
if(pSession->scale - 1 > 0.0)
{
pSession->video_desc.param.scale.denominator = 1; //默认倍速为1
pSession->video_desc.param.scale.numerator = pSession->scale;
}
else
{
pSession->video_desc.param.scale.denominator = 1 / pSession->scale; //默认倍速为1
pSession->video_desc.param.scale.numerator = 1;
}
pSession->video_desc.param.is_end = 0;
pSession->video_desc.param.type_bitmap = 1;
pSession->video_desc.param.task_type = 1;
pSession->video_desc.param.type_bitmap = 6;
#ifdef DUAL_CAM
//HTTP_DEBUG("Session: %d receive PLAY, current state %d", pSession->iSessionID, pSession->iSessionState);
pSession->video2_desc.param.start_time = (pSession->npt == -1 || pSession->npt == 0) ? pSession->start_time : pSession->npt;
pSession->video2_desc.param.timestamp = pSession->timestamp;
pSession->video2_desc.param.change_day = pSession->change_day;
if(TPHTTP_SESSION_STATE_PAUSE == pSession->iSessionState && pSession->npt == -1)
pSession->video2_desc.param.start_time = -1;
pSession->video2_desc.param.client_id = pSession->video2_desc.stream_id;
if(pSession->scale - 1 > 0.0)
{
pSession->video2_desc.param.scale.denominator = 1; //默认倍速为1
pSession->video2_desc.param.scale.numerator = pSession->scale;
}
else
{
pSession->video2_desc.param.scale.denominator = 1 / pSession->scale; //默认倍速为1
pSession->video2_desc.param.scale.numerator = 1;
}
pSession->video2_desc.param.is_end = 0;
pSession->video2_desc.param.type_bitmap = 1;
pSession->video2_desc.param.task_type = 1;
pSession->video2_desc.param.type_bitmap = 6;
#endif
if (pSession->iSessionStream == HTTP_STREAM_PLAYBACK)
{
pSession->video_desc.param.vod_type = pSession->vod_type;
pSession->video_desc.param.auto_seek = pSession->auto_seek;
pSession->video_desc.param.auto_switch_date = pSession->auto_switch_date;
pSession->vod_type = 0;
pSession->auto_seek = 0;
}
if (pSession->iSessionStream == HTTP_STREAM_RECORD_DOWNLOAD)
{
pSession->video_desc.param.end_time = pSession->end_time; //录像下载需要传入结束时间
pSession->video_desc.param.task_type = 2; //录像下载的task_type为2
trans_start_download(&pSession->video_desc);
}
else
{
trans_start_play(&pSession->video_desc);
#ifdef DUAL_CAM
trans_start_play(&pSession->video2_desc);
#endif
}
if (pSession->web_connection != NULL)
{
pSession->webparam->if_attach = 1;
}
#ifndef HOMEKIT_ONBOARDING_SUPPORT
SessionAllowConnection(pSession->iCurStreamID, pSession->iSessionStream);
#else
/* 如果添加一路直播流 */
if (SessionAllowConnection(pSession->iCurStreamID, pSession->iSessionStream) &&
pSession->iSessionStream == HTTP_STREAM_PREVIEW)
{
g_http_stream_count++;
LED_TRIGGER_MSG led_trigger;
memset(&led_trigger, 0, sizeof(led_trigger));
led_trigger.trigger_mask = LED_TRIGGER_START_GENMASK(LED_TRIGGER_TYPE_TAPO_STREAMING);
msg_send(LED_HOMEKIT_TRIGGER_MID, (U8 *)&led_trigger, sizeof(led_trigger));
}
#endif
if(HTTP_STREAM_TALK == pSession->iSessionStream)
{
TALK_MASK_RELOAD_MSG msg = {0};
msg.enabled = 1;
msg_send(TALK_MASK_RELOAD, (uint8_t *)&msg, sizeof(TALK_MASK_RELOAD_MSG));
}
HTTPSession_SetState(pSession, TPHTTP_SESSION_STATE_PLAYING);
#if defined(TELEMETRY_SUPPORT)
pSession->conn_start_time = nvmp_get_us();
#endif
}
if (pSession->bIsSessionON == 0)
{
HTTP_ERROR("Setup exit During CloseSession %d", pSession->iSessionID);
return TPHTTPSERVER_EC_STATE_NONFATAL;
}
break;
default:
HTTP_INFO_LOG("TPHTTPSERVER_EC_FAILURE");
return (TPHTTPSERVER_EC_FAILURE);
}
}
else if(TP_TCP_EC_WAIT == iGot)
{
return TPHTTPSERVER_EC_GOTNOTING;
}
return(TPHTTPSERVER_EC_OK);
}
解释代码，详细一点
最新发布
本文探讨了通过HTTP和RTSP链接处理视频时的不同流程和技术特性。HTTP下载涉及选择存储路径并允许同时播放，而RTSP直接进行流媒体播放。文章还讨论了TCP与UDP协议在数据传输方面的区别及其对用户体验的影响。
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