/// <summary>调用</summary>
/// <typeparam name="TResult"></typeparam>
/// <param name="host"></param>
/// <param name="session"></param>
/// <param name="action"></param>
/// <param name="args"></param>
/// <param name="cookie">附加参数，位于顶级</param>
/// <returns></returns>
public static async Task <TResult> InvokeAsync <TResult>(IApiHost host, IApiSession session, String action, Object args, IDictionary <String, Object> cookie)
{
if (session == null)
{
return(default(TResult));
}
var enc = host.Encoder;
//var data = enc.Encode(action, args, cookie);
var data = enc.Encode(new { action, args }.ToDictionary().Merge(cookie));
var msg = session.CreateMessage(data);
// 过滤器
host.ExecuteFilter(session, msg, true);
var rs = await session.SendAsync(msg).ConfigureAwait(false);
if (rs == null)
{
return(default(TResult));
}
// 过滤器
host.ExecuteFilter(session, rs, false);
// 特殊返回类型
if (typeof(TResult) == typeof(Packet))
{
return((TResult)(Object)rs.Payload);
}
var dic = enc.Decode(rs.Payload);
if (typeof(TResult) == typeof(IDictionary <String, Object>))
{
return((TResult)(Object)dic);
}
//return enc.Decode<TResult>(dic);
var code = 0;
Object result = null;
//enc.TryGet(dic, out code, out result);
Object cod = null;
dic.TryGetValue("code", out cod);
// 参数可能不存在
dic.TryGetValue("result", out result);
code = cod.ToInt();
// 是否成功
if (code != 0)
{
throw new ApiException(code, result + "");
}
if (result == null)
{
return(default(TResult));
}
if (typeof(TResult) == typeof(Object))
{
return((TResult)result);
}
// 返回
return(enc.Convert <TResult>(result));
}