//将byte[]写入redis缓存 public static void WriteRedis(string key, byte[] bytes) { Task.Run(() => { SeRedisHelper.StringSet(key, Convert.ToBase64String(bytes)); }); }
private void WriteRedis() { while (redislist.Count > 0) { try { RedisQueue redisinfo = redislist.Dequeue(); Task.Run(() => { SeRedisHelper.StringSet(redisinfo.key, Convert.ToBase64String(redisinfo.bytes)); }); } catch (Exception e) { Log4Helper.WriteLog(e.ToString()); } } }
//删除切片 public static bool DeleteFile(string maptype, string x, string y, string z) { string fullfilepath = Folderpath + CreateFolder(maptype) + z + "\\" + x + "\\" + y + JsonHelper.GetValueByKey(maptype).suffix;; string rediskey = maptype + "-" + JsonHelper.GetValueByKey(maptype).version + "-" + z + "-" + x + "-" + y; try { if (SeRedisHelper.HasKey(rediskey)) { SeRedisHelper.KeyDelete(rediskey); } if (File.Exists(fullfilepath)) { File.Delete(fullfilepath); } return(true); } catch (Exception e) { Log4Helper.WriteLog("删除缓存失败!"); Log4Helper.WriteLog(e); return(false); } }
/// <summary> /// 带缓存功能的地图服务 /// </summary> /// <param name="maptype">地图类型</param> /// <param name="x">行号</param> /// <param name="y">列号</param> /// <param name="z">地图等级</param> /// <returns></returns> public async Task <Stream> GeteMapService(string maptype, string x, string y, string z) { if (string.IsNullOrEmpty(maptype)) { maptype = Defaultmaptype; } string key = maptype + "-" + JsonHelper.GetValueByKey(maptype).version + "-" + z + "-" + x + "-" + y; string base64 = (await SeRedisHelper.GetAsync(key)).ToString(); if (!string.IsNullOrEmpty(base64)) { try { byte[] bytes = Convert.FromBase64String(base64); Stream strem = new MemoryStream(bytes); WriteFileHelper.AddList("redsuc"); return(strem); } catch (Exception e) { string base404 = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQAAAAEAAQMAAABmvDolAAAAA1BMVEX8+fKNaX6qAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAH0lEQVRo3u3BAQ0AAADCoPdPbQ43oAAAAAAAAAAAvg0hAAABfxmcpwAAAABJRU5ErkJggg=="; WriteFileHelper.AddList("rederr"); Log4Helper.WriteLog("redis读取错误!"); Log4Helper.WriteLog(e); byte[] bytes = Convert.FromBase64String(base404); Stream strem = new MemoryStream(bytes); return(strem); } } else { string filepath = GetMapDir(maptype, x, y, z); string folderpath = CreateMapDir(maptype, x, y, z); DirectoryInfo dir = new DirectoryInfo(folderpath); if (!dir.Exists) { try { dir.Create(); } catch (Exception e) { Log4Helper.WriteLog("文件夹创建失败!"); Log4Helper.WriteLog(e); } } if (File.Exists(filepath)) { try { FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read, FileShare.Read); WriteFileHelper.AddList("folsuc"); return(fs); } catch (Exception e) { string base404 = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQAAAAEAAQMAAABmvDolAAAAA1BMVEX8+fKNaX6qAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAH0lEQVRo3u3BAQ0AAADCoPdPbQ43oAAAAAAAAAAAvg0hAAABfxmcpwAAAABJRU5ErkJggg=="; Log4Helper.WriteLog("文件夹读取失败!"); Log4Helper.WriteLog(e); byte[] bytes = Convert.FromBase64String(base404); Stream strem = new MemoryStream(bytes); WriteFileHelper.AddList("folerr"); return(strem); } } else { string url = GetMapUrl(maptype, x, y, z); HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); request.Timeout = 60000; request.KeepAlive = false; request.Method = "GET"; request.ServicePoint.ConnectionLimit = 512; request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322)"; // request.AllowAutoRedirect = true; //是否允许302 HttpWebResponse response = null; Stream stream = null; try { response = request.GetResponse() as HttpWebResponse; stream = response.GetResponseStream(); byte[] bytes = StreamToBytes(stream); WriteFileHelper.AddQueue(maptype, x, y, z, bytes); WriteFileHelper.AddList("websuc"); Stream str = new MemoryStream(bytes); return(str); } catch (Exception e) { string base404 = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQAAAAEAAQMAAABmvDolAAAAA1BMVEX8+fKNaX6qAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAH0lEQVRo3u3BAQ0AAADCoPdPbQ43oAAAAAAAAAAAvg0hAAABfxmcpwAAAABJRU5ErkJggg=="; Log4Helper.WriteLog("网络请求失败!"); Log4Helper.WriteLog(e); byte[] bytes = Convert.FromBase64String(base404); Stream strem = new MemoryStream(bytes); WriteFileHelper.AddList("weberr"); return(strem); } finally { request.Abort(); if (response != null) { response.Close(); } if (stream != null) { stream.Close(); } } } } }