/// <summary>
/// exec rpc
/// </summary>
/// <param name="invocation"></param>
/// <returns></returns>
public async Task <IResult <T> > Invoke <T>(IInvocation invocation)
{
//cache
var cache = this.GetCache(invocation);
var parameters = invocation.MethodInfo.GetParameters();
var key = $"{invocation.AppPoint()}{invocation.TargetType.FullName}.{invocation.MethodInfo.Name}@{StringUtils.Md5(StringUtils.ToArgumentString(parameters, invocation.Arguments))}{invocation.PointVersion()}";
if (cache != null)
{
var value = cache.Get <T>(key);
if (value != null)
{
Logger().LogInformation($"call from cache:{key}");
Logger().LogInformation($"cache type:{cache.GetType().FullName}");
return(new RpcResult <T>(value, 0));
}
var resultInner = await this.InvokeInner <T>(invocation);
if (!resultInner.HasException)
{
cache.Put(key, resultInner.Value);
}
return(resultInner);
}
var result = await this.InvokeInner <T>(invocation);
return(result);
}
/// <summary>
/// 根据配置获取路径集合
/// </summary>
/// <param name="invocation"></param>
/// <returns></returns>
private IList <URL> GetUrls(IInvocation invocation)
{
//参数检查
if (!Urls.ContainsKey(invocation.TargetType.FullName) && !BadUrls.ContainsKey(invocation.TargetType.FullName))
{
throw new Exception($"not find the {invocation.TargetType.FullName}'s urls,please config it ");
}
if (Urls.ContainsKey(invocation.TargetType.FullName) &&
Urls?[invocation.TargetType.FullName]?.Count() > 0)
{
var result = filterUrls(invocation, Urls[invocation.TargetType.FullName]);
if (result?.Count > 0)
{
Logger().LogInformation("from good urls");
return(result);
}
}
if (BadUrls.ContainsKey(invocation.TargetType.FullName) &&
BadUrls?[invocation.TargetType.FullName]?.Count() > 0)
{
var result = filterUrls(invocation, BadUrls[invocation.TargetType.FullName].Select(w => w.Url).ToList());
if (result?.Count > 0)
{
Logger().LogInformation("from bad urls");
return(result);
}
}
throw new Exception($"not find the {invocation.AppPoint()}{invocation.TargetType.FullName}{invocation.PointVersion()}'s urls,please config it,config version must <= Url version ");
}
/// <summary>
/// 执行远程调用
/// </summary>
/// <param name="invocation"></param>
/// <returns></returns>
public IResult Invoke(IInvocation invocation)
{
//缓存
var cache = this.GetCache(invocation);
var parameters = invocation.MethodInfo.GetParameters();
var key = $"{invocation.AppPoint()}{invocation.TargetType.FullName}.{invocation.MethodInfo.Name}@{StringUtils.Md5(StringUtils.ToArgumentString(parameters, invocation.Arguments))}{invocation.PointVersion()}";
if (cache != null)
{
var value = cache.Get(key);
if (value != null)
{
Console.WriteLine($"call from cache:{key}");
Console.WriteLine($"cache type:{cache.GetType().FullName}");
return(new RpcResult(value));
}
var resultInner = this.InvokeInner(invocation);
if (!resultInner.HasException)
{
cache.Put(key, resultInner.Value);
}
return(resultInner);
}
var result = this.InvokeInner(invocation);
return(result);
}
/// <summary>
/// 获取客户端缓存
/// </summary>
/// <param name="invocation">服务路径</param>
/// <returns>客户端服务连接</returns>
private ICache GetCache(IInvocation invocation)
{
//参数检查
if (Caches == null)
{
return(null);
}
ICache result = null;
//app interface version
var methodParameter = $"{invocation.AppPoint()}{invocation.TargetType.FullName}.{invocation.MethodInfo.Name}{invocation.PointVersion()}";
var key = this.Address.GetMethodParameter(methodParameter, CACHE_KEY, "");
//app interface
if (string.IsNullOrEmpty(key))
{
key = this.Address.GetMethodParameter($"{invocation.AppPoint()}{invocation.TargetType.FullName}.{invocation.MethodInfo.Name}", CACHE_KEY, "");
}
//interface version
if (string.IsNullOrEmpty(key))
{
key = this.Address.GetMethodParameter($"{invocation.TargetType.FullName}.{invocation.MethodInfo.Name}{invocation.PointVersion()}", CACHE_KEY, "");
}
//interface
if (string.IsNullOrEmpty(key))
{
key = this.Address.GetMethodParameter($"{invocation.TargetType.FullName}.{invocation.MethodInfo.Name}", CACHE_KEY, "");
}
//key
if (string.IsNullOrEmpty(key))
{
key = this.Address.GetParameter(CACHE_KEY, "");
}
if (key.ToLower() == "true" || key.ToLower() == LruCache.NAME)
{
result = Caches[LruCache.NAME];
}
if (Caches.ContainsKey(key) && key != LruCache.NAME)
{
result = Caches[key];
}
return(result);
}
