private void SendMsg(TrackTaskConfig config, IBus bus)
{
long version = 0;
//取文件中最后版本号
string filePath = string.Format(@"{0}\Data\{1}_{2}.txt", AppDomain.CurrentDomain.BaseDirectory, config.DbConnectionKey, config.TableName);
if (File.Exists(filePath))
{
var content = File.ReadAllText(filePath);
if (!string.IsNullOrWhiteSpace(content))
{
long.TryParse(content, out version);
}
}
string dataKey = config.DbConnectionKey.ToLower() + config.TableName.ToLower();
_log.DebugFormat("DbConnectionKey:{0};TableName:{1};Version:{2};Msg:存储版本号;", config.DbConnectionKey, config.TableName, version);
if (_dataVersionMsgs.ContainsKey(dataKey))
{
if (version > _dataVersionMsgs[dataKey])
{
version = _dataVersionMsgs[dataKey];
_log.DebugFormat("DbConnectionKey:{0};TableName:{1};Version:{2};Msg:版本号补充后变更;", config.DbConnectionKey, config.TableName, version);
}
_dataVersionMsgs.Remove(dataKey);
}
_log.DebugFormat("DbConnectionKey:{0};TableName:{1};Version:{2};Msg:开始查询;", config.DbConnectionKey, config.TableName, version);
//查询
var list = DL.DataTrackDl.GetDataChangeMsgs(config.DbConnectionKey, config.TableName, version, config.PkName);
_log.InfoFormat("DbConnectionKey:{0};TableName:{1};Version:{2};Msg:查询完成;Count:{3};", config.DbConnectionKey, config.TableName, version, list == null ? 0 : list.Count);
//发送
if (list != null && list.Count > 0)
{
foreach (var dataChangeMsg in list)
{
dataChangeMsg.DbConnectionKey = config.DbConnectionKey;
if (bus.Publish(dataChangeMsg, config.ExChange, config.RoutingKey))
{
_log.InfoFormat(
"DbConnectionKey:{0};TableName:{1};Type:{2};PkName:{3};PkValue:{4};Version:{5};Status:true;Msg:发送消息成功;",
config.DbConnectionKey, config.TableName, dataChangeMsg.Type, dataChangeMsg.PkName,
dataChangeMsg.PkValue, dataChangeMsg.Version);
}
else
{
_log.ErrorFormat("DbConnectionKey:{0};TableName:{1};Type:{2};PkName:{3};PkValue:{4};Version:{5};Status:false;Msg:发送消息失败;",
config.DbConnectionKey, config.TableName, dataChangeMsg.Type, dataChangeMsg.PkName, dataChangeMsg.PkValue, dataChangeMsg.Version);
}
}
//保存版本号到文件
File.WriteAllText(filePath, list.Max(n => n.Version).ToString(CultureInfo.InvariantCulture));
_log.InfoFormat("DbConnectionKey:{0};TableName:{1};Version:{2};Msg:保存新的版本号;", config.DbConnectionKey, config.TableName, list.Max(n => n.Version));
}
}
/// <summary>
///
/// </summary>
/// <param name="config"></param>
/// <param name="bus"></param>
private void Handel(TrackTaskConfig config, IBus bus)
{
while (!CancelTokenSource.IsCancellationRequested)
{
try
{
SendMsg(config, bus);
}
catch (Exception ex)
{
_log.Error(ex);
}
Thread.Sleep(config.Interval * 1000);
}
}
