/// <summary>
/// 将结果放入当前sessionid的语义槽
/// </summary>
/// <param name="sessionId">与请求对应的sessionid</param>
/// <param name="_SingleAnswers">返回的答案</param>
public static void NlpControlerReceiveMsg(string sessionId, NlpAnswers _NlpAnswers)
{
//如果语义槽为空不再执行
if (_SemanticsDic.ContainsKey(sessionId))
{
//如果当前语义槽标识位为State=0，则表示可以继续执行
if (_SemanticsDic[sessionId].State == 0)
{
//将结果放入当前sessionid的语义槽
_SemanticsDic[sessionId].NlpAnswers.Add(_NlpAnswers);
_SemanticsDic[sessionId].Answertimes += 1;
log.Info($"{_SemanticsDic[sessionId].Questions} {_SemanticsDic[sessionId].Answertimes} {_NlpAnswers.Code} 入槽内容（异步）： { _NlpAnswers.Answers}");
//判断异步放入语义槽之后的数量，数量相等发送AI进行处理
if (_SemanticsDic[sessionId].Answertimes == INlps)
{
//把当前session状态设置1，表示全部放入完毕
_SemanticsDic[sessionId].State = 1;
//返回AI处理结果
AIControler.GetAIAnswers(_SemanticsDic[sessionId], "异步");
}
}
else
{
log.Info($"异步超时入槽失败session ：{sessionId},返回语义 ： {_NlpAnswers.Answers}");
}
}
else
{
log.Info($"异步响应未找到session ：{sessionId},返回语义 ： {_NlpAnswers.Answers}");
}
}
public static void AIFunction(SoundBodyRequest body)
{
//百度分词
BaiduNlp nlpEntity = BaiduSDK.Nlp(body.questions);
//添加句子表，分词表
string talkDevice = "Talk_" + body.deviceId; //每个音响创建一个会话
long newTimestamp = DataHelper.GetTimeSpan(DateTime.Now); //句子时间戳
string newTitleid = nlpEntity.log_id.ToString(); //句子id
string _Talkid = "";
string userid = RedisHelper.GetHostId(body.deviceId); //音响对应用户
body.timestamp = newTimestamp; // 时间标签(Long型)
body.baidu_Items = nlpEntity.items; // 分词列表(字符串数组)
string field = AIControler.Getdomain(body); //获取领域
body.field = field; //领域
int sort = 1; //会话中句子的顺序
string preTitleid = ""; //上一个句子id
string questions = ""; //问题列表：(字符串数组) 音箱的会话记录
string answers = ""; //回答列表：(字符串数组) AIcontrol会话记录
//创建会话缓存
using (RedisHashService service = new RedisHashService())
{
string _timestampStr = service.GetValueFromHash(talkDevice, "timestamp");//获取缓存时间戳
if (!string.IsNullOrEmpty(_timestampStr))
{
long oldTimestamp = Convert.ToInt64(_timestampStr);
long cha = newTimestamp - oldTimestamp;
if (cha > 60) //一分钟60秒
{
_Talkid = body.deviceId + "_" + DateTime.Now.ToString("yyyyMMdd-HHmmss-fff"); //超过一分钟，创建新的会话缓存
service.SetEntryInHash(talkDevice, "talkid", _Talkid); //缓存会话id
}
//一分钟内继续使用，不更新
else
{
_Talkid = service.GetValueFromHash(talkDevice, "talkid");
string sortStr = service.GetValueFromHash(talkDevice, "sort");//先获取当前顺序
if (!string.IsNullOrEmpty(sortStr))
{
sort = Convert.ToInt32(sortStr);
}
sort++;//一分钟内顺序+1
}
}
else
{
_Talkid = body.deviceId + "_" + DateTime.Now.ToString("yyyyMMdd-HHmmss-fff"); //没有新建
service.SetEntryInHash(talkDevice, "talkid", _Talkid); //缓存会话id
}
preTitleid = service.GetValueFromHash(talkDevice, "titleid"); //前个句子id
//每次都更新句子时间戳
service.SetEntryInHash(talkDevice, "titleid", newTitleid); //缓存新的句子id
service.SetEntryInHash(talkDevice, "timestamp", newTimestamp.ToString()); //缓存新的时间戳
service.SetEntryInHash(talkDevice, "field", field); //新的领域
service.SetEntryInHash(talkDevice, "sort", sort.ToString()); //顺序
string talkstate = service.GetValueFromHash(talkDevice, "state"); //获取缓存会话模式,提前赋值
body.talkstate = talkstate; //会话模式
talkstate = "inquiry";
if (talkstate == "inquiry" || talkstate == "await") //询问，等待
{
Task.Run(() =>
{
//不用请求任何Nlu服务器，直接丢给AIControl函数Setanswer处理，返回抛给音箱
AIControler.Setanswer(body);
});
}
//else if(_state== "train")//训练模式
else
{
Task.Run(() =>
{
//发送收到的语音到NLP管理器
NlpControler.ProcessingRequest(body);
});
}
//启动线程存数据库
Task.Run(() =>
{
using (HsfDBContext hsfDBContext = new HsfDBContext())
{
//句子表
sound_title sound_Title = new sound_title()
{
titleid = newTitleid,
titletext = body.questions,
timestamp = newTimestamp,
preid = preTitleid,
sort = sort,
talkid = _Talkid,
sender = body.deviceId,
userid = userid,
sendtype = body.sourceId,
field = field,
talkstate = talkstate
};
hsfDBContext.sound_title.Add(sound_Title);
int items_sort = 0;
//分词表
foreach (var item in nlpEntity.items)
{
items_sort++;
baidu_items baidu_Items = new baidu_items()
{
wordid = Guid.NewGuid().ToString(),
titleid = newTitleid,
byte_length = item.byte_length,
byte_offset = item.byte_offset,
uri = item.uri,
pos = item.pos,
ne = item.ne,
item = item.item,
basic_words = string.Join(",", item.basic_words),
formal = item.formal,
sort = items_sort,
timestamp = newTimestamp
};
hsfDBContext.baidu_items.Add(baidu_Items);
}
hsfDBContext.SaveChanges();
}
log.Info($"保存到句子表和分词表");
});
}
}
/// <summary>
/// 接收到请求过来的消息，再开始发送向所有nlp多线程发送消息
/// </summary>
/// <param name="session">接收客户端session</param>
/// <param name="body.questions">接收消息内容</param>
public static void ProcessingRequest(SoundBodyRequest body)
{
try
{
log.Info($"--------------------------开始向各个NLP发送问题： {body.questions} --------------------------");
if (body.sourceId == null)
{
body.sourceId = "";
}
//添加当前请求到语义槽
SemanticsSlot semanticsSlot = new SemanticsSlot()
{
SessionId = body.sessionId,
DeviceId = body.deviceId,
Questions = body.questions,
SourceId = body.sourceId,
NlpAnswers = new List <NlpAnswers>(),
Answertimes = 0,
State = 0
};
//创建语义槽
_SemanticsDic.TryAdd(body.sessionId, semanticsSlot);
//超时检测标识
CancellationTokenSource cts = new CancellationTokenSource();
//多线程集合
List <Task> taskList = new List <Task>();
TaskFactory taskFactory = new TaskFactory();
var type = typeof(INlp);
var types = AppDomain.CurrentDomain.GetAssemblies()
.SelectMany(a => a.GetTypes().Where(t => t.GetInterfaces().Contains(typeof(INlp))))
.ToArray();
INlps = types.Count();//语义槽应该放入个数
foreach (var v in types)
{
if (v.IsClass)
{
taskList.Add(taskFactory.StartNew(() =>
{
try
{
//开始发送消息，并接收返回的语义
NlpAnswers _NlpAnswers = (Activator.CreateInstance(v) as INlp).SendMsg(body);
//如果线程没有被取消，放入语义槽
if (!cts.IsCancellationRequested)
{
//过滤异步
if (_NlpAnswers != null)
{
_SemanticsDic[body.sessionId].Answertimes += 1;
lock (_lock)
{
//过滤""
if (_NlpAnswers.Answers != "")
{
_SemanticsDic[body.sessionId].NlpAnswers.Add(_NlpAnswers);
log.Info($"{body.questions} {_SemanticsDic[body.sessionId].Answertimes} {v.Name} 入槽内容: { _NlpAnswers.Answers.Replace("\r\n","")}");
}
else
{
log.Info($"{body.questions} {_SemanticsDic[body.sessionId].Answertimes} {v.Name} 返回内容为空");
}
}
}
}
else
{
log.Info($"{body.questions} {v.Name} 超时线程取消未入槽！");
}
}
catch (Exception ex)
{
log.Info($"开始向{v.Name}发送消息异常:{ex.Message}");
}
}, cts.Token));
}
}
//到了1.5秒还没有全部执行的，取消线程并返回
taskList.Add(Task.Delay(1500).ContinueWith(t =>
{
//如果语义槽为空不再执行
if (_SemanticsDic.ContainsKey(body.sessionId))
{
//如果当前语义槽标识位为State=0，则表示可以继续执行
if (_SemanticsDic[body.sessionId].State == 0)
{
//把当前session状态设置false
_SemanticsDic[body.sessionId].State = -1;
lock (_lock)
{
cts.Cancel();
}
//如果语义槽不为null再继续执行
if (_SemanticsDic[body.sessionId] != null)
{
//返回语义结果
AIControler.GetAIAnswers(_SemanticsDic[body.sessionId], "超时");
}
}
}
}));
}
catch (Exception ex)
{
log.Info($"发送消息异常:{ex.Message}");
}
}
