HttpService.cs
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using HHECS.BllModel;
using HHECS.DAQClient.Dto;
using HHECS.DAQClient.Model;
using System.IO.Compression;
using System.IO;
using System.Net.Http;
using System.Text;
using System.Text.Json;
using System.Net.Http.Headers;
namespace HHECS.DAQClient.Services
{
internal class HttpService
{
private readonly HttpClient _httpClient;
private readonly JsonSerializerOptions jsonSerializeOptions = new JsonSerializerOptions
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
PropertyNameCaseInsensitive = true
};
private readonly JsonSerializerOptions jsonDeserializeOptions = new JsonSerializerOptions
{
PropertyNameCaseInsensitive = true
};
public HttpService(HttpClient httpClient)
{
_httpClient = httpClient;
}
/// <summary>
/// 推送设备实时数据
/// </summary>
/// <param name="equipmentDataQueues"></param>
public BllResult SendEquipmentData(IEnumerable<EquipmentDataQueue> equipmentDataQueues)
{
try
{
var data = equipmentDataQueues.Select(x => new EquipmentDataDto
{
Plmeid = x.Id == Guid.Empty ? Guid.NewGuid() : x.Id,
EquipmentSN = x.EquipmentCode,
Reported = JsonSerializer.Deserialize<List<TagItem>>(x.Reported),
Version = x.Version,
Timestamp = x.SourceTimestamp,
}).ToList();
var json = JsonSerializer.Serialize(data, jsonSerializeOptions);
var compressedData = CompressString(json);
var content = new ByteArrayContent(compressedData);
// 设置请求头，指明内容是GZip压缩的
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
content.Headers.ContentEncoding.Add("gzip");
var result = _httpClient.PostAsync("Equipment/SendEquipmentData", content).Result;
var resultContent = result.Content.ReadAsStringAsync().Result;
if (result.IsSuccessStatusCode)
{
return JsonSerializer.Deserialize<BllResult>(resultContent, jsonDeserializeOptions);
}
if (string.IsNullOrEmpty(resultContent))
{
resultContent = result.ReasonPhrase;
}
return BllResultFactory.Error($"推送失败：{resultContent}");
}
catch (Exception ex)
{
return BllResultFactory.Error(ex.Message);
}
}
/// <summary>
/// 推送某一时间段的数据
/// </summary>
/// <param name="equipmentDataQueues"></param>
/// <returns></returns>
public BllResult SendEquipmentDataV2(IEnumerable<EquipmentDataQueue> equipmentDataQueues)
{
try
{
var data = equipmentDataQueues.Select(x => new EquipmentDataV2Dto
{
Plmeid = x.Id,
EquipmentSN = x.EquipmentCode,
Reported = JsonSerializer.Deserialize<List<TagItem>>(x.Reported),
Version = x.Version,
TimestampStart = x.SourceTimestamp,
TimestampEnd = (long)(x.SourceTimestamp + (x.Updated.Value - x.Created.Value).TotalMilliseconds),
});
var json = JsonSerializer.Serialize(data, jsonSerializeOptions);
var compressedData = CompressString(json);
var content = new ByteArrayContent(compressedData);
// 设置请求头，指明内容是GZip压缩的
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
content.Headers.ContentEncoding.Add("gzip");
var result = _httpClient.PostAsync("Equipment/SendEquipmentDataV2", content).Result;
var resultContent = result.Content.ReadAsStringAsync().Result;
if (result.IsSuccessStatusCode)
{
return JsonSerializer.Deserialize<BllResult>(resultContent, jsonDeserializeOptions);
}
if (string.IsNullOrEmpty(resultContent))
{
resultContent = result.ReasonPhrase;
}
return BllResultFactory.Error($"推送失败：{resultContent}");
}
catch (Exception ex)
{
return BllResultFactory.Error(ex.Message);
}
}
public BllResult UpdateClientStatus(Guid clientId)
{
try
{
var data = new
{
ClientId = clientId,
};
var json = JsonSerializer.Serialize(data, jsonSerializeOptions);
var compressedData = CompressString(json);
var temp = DecompressString(compressedData);
var content = new ByteArrayContent(compressedData);
// 设置请求头，指明内容是GZip压缩的
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
content.Headers.ContentEncoding.Add("gzip");
var result = _httpClient.PostAsync("Equipment/UpdateClientStatus", content).Result;
var resultContent = result.Content.ReadAsStringAsync().Result;
if (result.IsSuccessStatusCode)
{
return JsonSerializer.Deserialize<BllResult>(resultContent, jsonDeserializeOptions);
}
if (string.IsNullOrEmpty(resultContent))
{
resultContent = result.ReasonPhrase;
}
return BllResultFactory.Error($"推送失败：{resultContent}");
}
catch (Exception ex)
{
return BllResultFactory.Error(ex.Message);
}
}
/// <summary>
/// 数据压缩
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static byte[] CompressString(string text)
{
byte[] buffer = Encoding.UTF8.GetBytes(text);
using var memoryStream = new MemoryStream();
using (var gZipStream = new GZipStream(memoryStream, CompressionMode.Compress, true))
{
gZipStream.Write(buffer, 0, buffer.Length);
}
return memoryStream.ToArray();
}
public static string DecompressString(byte[] gzip)
{
using var memoryStream = new MemoryStream(gzip);
using var gZipStream = new GZipStream(memoryStream, CompressionMode.Decompress);
using var streamReader = new StreamReader(gZipStream, Encoding.UTF8);
return streamReader.ReadToEnd();
}
}
}