/// <summary>
/// 下载IGS产品。并返回成功后的本地路径。
/// </summary>
/// <param name="gpsTime"></param>
/// <param name="satType"></param>
/// <returns></returns>
protected List <string> DownloadProduct(Time gpsTime, SatelliteType satType = SatelliteType.G)
{
var urls = IgsProductUrlPathBuilder.SetSatelliteType(satType).Build(gpsTime).ToList();
if (Option.IsUniqueSource)
{
urls = urls.FindAll(m => Path.GetFileName(m).StartsWith(Option.IndicatedSourceCode));
}
var TargetExtention = "*" + IgsProductNameBuilder.GetFileExtension(IgsProductSourceType, gpsTime).TrimEnd('Z', '.');
return(InputFileManager.GetLocalFilePathes(urls.ToArray(), TargetExtention, TargetExtention + ";" + TargetExtention + ".Z", this.Option.IsDownloadingSurplurseIgsProducts));
}
/// <summary>
/// 根据类型和历元，按照给定的文件命名规则，读取本地文件
/// </summary>
/// <param name="satType">卫星类型</param>
/// <param name="gpsTime">时间</param>
/// <returns></returns>
protected virtual List <string> GetFiles(SatelliteType satType, Time gpsTime)
{
List <string> pathes = GetIgsProductLocalPathes(satType, gpsTime);
List <string> services = new List <string>();
foreach (var path in pathes)//便利所有生产的路径，选择一个可用的
{
if (!System.IO.File.Exists(path))
{
log.Debug("不存在预期产品 " + this.IgsProductSourceType + ", " + path);
continue;
}
try
{
var TargetExtention = "*" + IgsProductNameBuilder.GetFileExtension(IgsProductSourceType, gpsTime).TrimEnd('Z', '.');
var filePath = InputFileManager.GetLocalFilePath(path, TargetExtention, "*.*");
if (filePath == null)
{
continue;
}
FileInfo info = new FileInfo(path);
if (info.Length == 0)
{
info.Delete();
continue;
}
//包含则添加
services.Add(path);
}
catch (Exception ex)
{
log.Error("文件解析错误，" + path + ", " + ex.Message);
}
break;
}
return(services);
}
/// <summary>
/// 根据类型和历元，按照给定的文件命名规则，读取本地文件
/// </summary>
/// <param name="satType">卫星类型</param>
/// <param name="gpsTime">时间</param>
/// <returns></returns>
protected virtual List <TIgsProductFile> GetFiles(SatelliteType satType, Time gpsTime)
{
List <string> pathes = GetIgsProductLocalPathes(satType, gpsTime);
List <TIgsProductFile> services = new List <TIgsProductFile>();
foreach (var path in pathes)//便利所有生产的路径，选择一个可用的
{
if (!System.IO.File.Exists(path))
{
log.Debug("不存在预期产品 " + this.IgsProductSourceType + ", " + path);
continue;
}
try
{
var TargetExtention = "*" + IgsProductNameBuilder.GetFileExtension(IgsProductSourceType, gpsTime).TrimEnd('Z', '.');
var filePath = InputFileManager.GetLocalFilePath(path, TargetExtention, "*.*");
if (filePath == null)
{
continue;
}
string fileBufferKey = BuildFileBufferKey(filePath);
TIgsProductFile service = default(TIgsProductFile);
if (LoadedIgsProductFiles.Contains(fileBufferKey))
{
log.Info("缓存已经加载同名文件，直接从缓存返回： " + filePath);
service = LoadedIgsProductFiles[fileBufferKey];
}
else
{
service = LoadFile(filePath);
if (service == null || service.TimePeriod.Span == 0)
{
log.Info("数据源" + service + "不可用 " + this.IgsProductSourceType + "," + filePath);
continue;
}
log.Info("成功载入 " + this.IgsProductSourceType + "," + filePath);
if (LoadedIgsProductFiles.Count > Option.MaxIgsProductCacheCount)
{
LoadedIgsProductFiles.RemoveFirst();
//LoadedIgsProductFiles.Clear();
//log.Info("IGS 缓存产品超过最大数量 " + Option.MaxIgsProductCacheCount + ", 清空缓存重新来过。");
}
LoadedIgsProductFiles[fileBufferKey] = service;
}
//包含则添加
services.Add(service);
}
catch (Exception ex)
{
log.Error("文件解析错误，" + path + ", " + ex.Message);
}
break;
}
return(services);
}
