/// <summary>
/// 发送json格式的Http Rpc远程调用
/// </summary>
/// <typeparam name="T">结果对象的类型</typeparam>
/// <returns>返回远程调用结果</returns>
public async Task <T> Call <T>()
{
// 远程请求
byte[] data = null;
using (var request = CreateRequestMessage())
using (var content = new PushStreamContent((ws) => RpcClientKit.WriteFrame(ws, _data, _isCompressed)))
{
request.Content = content;
HttpResponseMessage response;
try
{
response = await _client.SendAsync(request).ConfigureAwait(false);
}
catch (Exception ex)
{
throw new ServerException("服务器连接失败", $"调用【{_methodName}】时服务器连接失败！\r\n{ex.Message}");
}
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
#if !SERVER
// 无权限时
if (response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
{
// 已登录则提示无权限
if (Kit.IsLogon)
{
throw new KnownException($"⚡对【{_methodName}】无访问权限！");
}
// 跳转到登录页面
Kit.Login(true);
throw new KnownException("请先登录您的账号！");
}
#endif
throw new ServerException($"服务器返回状态码：{response.StatusCode}", $"调用【{_methodName}】时返回状态码：{response.StatusCode}");
}
var stream = await response.Content.ReadAsStreamAsync();
data = await RpcClientKit.ReadFrame(stream);
response.Dispose();
}
return(ParseResult <T>(data));
}
/// <summary>
/// 读取从服务器返回的下一帧数据
/// </summary>
/// <returns></returns>
public async Task <bool> MoveNext()
{
try
{
// _responseStream.ReadAsync 使用 CancellationToken 也只有第一次取消时有效，所以未使用！
// 此处只在服务端取消连接时抛出异常！
var data = await RpcClientKit.ReadFrame(_responseStream);
_val = RpcKit.ParseBytes <object>(data);
return(true);
}
catch
{
Dispose();
}
return(false);
}