120 lines
4.0 KiB
C#
120 lines
4.0 KiB
C#
using Ayay.SerilogLogs;
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using Newtonsoft.Json;
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using Serilog;
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using System.Text;
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namespace SHH.MjpegPlayer;
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/// <summary>
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/// 扩展 HttpClient 的 PostJson 方法，用于发送 JSON 格式的数据
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/// </summary>
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public static class NetHttpExtension
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{
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// Optimized: 统一日志对象
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private static readonly ILogger _sysLog = Log.ForContext("SourceContext", LogModules.Core);
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// Optimized: 使用静态单例 HttpClient 防止套接字耗尽。注意：生产环境建议配合 SocketsHttpHandler
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private static readonly HttpClient _httpClient = new HttpClient();
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#region 同步方法 (Sync-over-Async, 谨慎使用)
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/// <summary>
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/// 发送 JSON 格式的 POST 请求 (同步)
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/// </summary>
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public static string PostJson(this object jsonData, string url, int timeout = 2000)
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{
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try
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{
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// Optimized: 显式调用异步版本并等待，注意在某些上下文可能死锁
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return PostJsonAsync(jsonData, url, timeout).GetAwaiter().GetResult();
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}
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catch (Exception ex)
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{
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_sysLog.Error(ex, "Post 同步请求异常: {Url}", url);
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return string.Empty;
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}
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}
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/// <summary>
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/// 发送 JSON 格式的 POST 请求并反序列化 (同步)
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/// </summary>
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public static T? PostJson<T>(this object jsonData, string url, int timeout = 2000)
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{
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try
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{
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var msg = PostJson(jsonData, url, timeout);
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return string.IsNullOrWhiteSpace(msg) ? default : JsonConvert.DeserializeObject<T>(msg);
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}
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catch (Exception ex)
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{
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_sysLog.Error(ex, "Post 同步请求并解析 JSON 异常: {Url}", url);
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return default;
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}
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}
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#endregion
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#region 异步方法 (推荐使用)
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/// <summary>
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/// 发送 JSON 格式的 POST 请求 (异步)
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/// </summary>
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/// <param name="jsonData">要发送的对象</param>
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/// <param name="url">目标地址</param>
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/// <param name="timeout">超时(ms)</param>
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public static async Task<string> PostJsonAsync(this object jsonData, string url, int timeout = 2000)
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{
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string jsonString = string.Empty;
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try
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{
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// Optimized: 序列化处理
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jsonString = jsonData is string s ? s : JsonConvert.SerializeObject(jsonData);
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using var content = new StringContent(jsonString, Encoding.UTF8, "application/json");
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// Optimized: 设置请求级别的超时处理（HttpClient.Timeout 是全局的，此处利用 CancellationTokenSource）
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using var cts = new CancellationTokenSource(TimeSpan.FromMilliseconds(timeout));
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var response = await _httpClient.PostAsync(url, content, cts.Token);
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if (response.IsSuccessStatusCode)
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{
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return await response.Content.ReadAsStringAsync();
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}
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_sysLog.Warning("Post 请求状态异常: {Url}, StatusCode: {Code}", url, response.StatusCode);
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return string.Empty;
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}
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catch (OperationCanceledException)
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{
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_sysLog.Warning("Post 请求超时: {Url}, Timeout: {Timeout}ms", url, timeout);
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return string.Empty;
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}
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catch (Exception ex)
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{
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// Modified: 使用结构化日志记录错误
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_sysLog.Error(ex, "Post 异步请求发生故障: {Url}", url);
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return string.Empty;
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}
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}
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/// <summary>
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/// 发送 JSON 格式的 POST 请求并反序列化 (异步)
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/// </summary>
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public static async Task<T?> PostJsonAsync<T>(this object jsonData, string url, int timeout = 2000)
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{
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try
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{
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var result = await PostJsonAsync(jsonData, url, timeout);
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if (string.IsNullOrWhiteSpace(result)) return default;
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return JsonConvert.DeserializeObject<T>(result);
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}
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catch (Exception ex)
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{
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_sysLog.Error(ex, "Post 异步请求解析 JSON 失败: {Url}", url);
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return default;
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}
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}
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#endregion
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} |