public static HttpHost GetHttpHost(string host)
{
if (!mHostPool.TryGetValue(host, out HttpHost result))
{
result = new HttpHost(host);
mHostPool[host] = result;
}
return(result);
}
protected override object Invoke(MethodInfo targetMethod, object[] args)
{
ClientActionHanler handler = Cluster.GetHandler((MethodInfo)targetMethod);
var rinfo = handler.GetRequestInfo(args);
if (handler.NodeAgent == null || handler.NodeAgent.Version != Cluster.Version)
{
handler.NodeAgent = Cluster.GetAgent(rinfo.Url);
}
HttpHost host = handler.NodeAgent.Node.GetClient();
if (host == null)
{
Exception error = new HttpClientException(null, null, $"request {rinfo.Url} no http nodes are available");
if (handler.Async)
{
//Type gtype = typeof(AnyCompletionSource<>);
//Type type = gtype.MakeGenericType(handler.ReturnType);
IAnyCompletionSource source = CompletionSourceFactory.Create(handler.ReturnType, Cluster.TimeOut); //(IAnyCompletionSource)Activator.CreateInstance(type);
source.Error(error);
return(source.GetTask());
}
else
{
throw error;
}
}
if (!handler.Async)
{
throw new Exception($"{rinfo.Method} method is not supported and the return value must be task!");
}
else
{
var request = rinfo.GetRequest(host);
foreach (var item in Header)
{
request.Header[item.Key] = item.Value;
}
var task = request.Execute();
IAnyCompletionSource source = CompletionSourceFactory.Create(handler.ReturnType, Cluster.TimeOut);
source.Wait <Response>(task, (c, t) =>
{
if (t.Result.Exception != null)
{
c.Error(t.Result.Exception);
}
else
{
c.Success(t.Result.Body);
}
});
return(source.GetTask());
}
}
public HttpClient(string host)
{
mHost = HttpHost.GetHttpHost(host);
Uri uri = new Uri(host);
RequestUrl = uri.PathAndQuery;
if (string.IsNullOrEmpty(RequestUrl))
{
throw new HttpClientException("Request URL invalid!");
}
}
internal void RefreshWeightTable()
{
var status = Status;
if (mLastStatus == status)
{
return;
}
else
{
mLastStatus = status;
}
HttpHost[] table = new HttpHost[TABLE_SIZE];
int sum = 0;
mClients.Sort((x, y) => y.Weight.CompareTo(x.Weight));
List <HttpHost> aclients = new List <HttpHost>();
for (int i = 0; i < mClients.Count; i++)
{
if (mClients[i].Available)
{
sum += mClients[i].Weight;
aclients.Add(mClients[i]);
}
}
int count = 0;
for (int i = 0; i < aclients.Count; i++)
{
int size = (int)((double)aclients[i].Weight / (double)sum * (double)TABLE_SIZE);
for (int k = 0; k < size; k++)
{
table[count] = aclients[i];
count++;
if (count >= TABLE_SIZE)
{
goto END;
}
}
}
int index = 0;
while (count < TABLE_SIZE)
{
table[count] = aclients[index % aclients.Count];
index++;
count++;
}
END:
Shuffle(table);
mHttpHostTable = table;
}
private void Shuffle(HttpHost[] list)
{
Random rng = new Random();
int n = list.Length;
while (n > 1)
{
n--;
int k = rng.Next(n + 1);
HttpHost value = list[k];
list[k] = list[n];
list[n] = value;
}
}
private async void OnVerify(HttpHost host)
{
try
{
var request = host.Get("/", null, null, null, null);
var result = await request.Execute();
}
catch
{
}
finally
{
host.InVerify = false;
}
}
public IApiNode Add(string host, int weight)
{
Uri url = new Uri(host);
if (mClients.Find(c => c.Host == url.Host && c.Port == url.Port) == null)
{
var item = HttpHost.GetHttpHost(host);//new HttpHost(host);
item.ID = mID << mClients.Count;
item.Weight = weight;
item.MaxRPS = 0;
mClients.Add(item);
RefreshWeightTable();
}
return(this);
}
public void Verify()
{
int count = 0;
for (int i = 0; i < mClients.Count; i++)
{
HttpHost client = mClients[i];
if (!client.Available && !client.InVerify)
{
client.InVerify = true;
count++;
Task.Run(() => OnVerify(client));
}
}
RefreshWeightTable();
}
public Request GetRequest(HttpHost httpApiClient)
{
switch (Method)
{
case Request.POST:
return(httpApiClient.Post(Url, Header, QueryString, Data, Formatter, Type));
case Request.PUT:
return(httpApiClient.Put(Url, Header, QueryString, Data, Formatter, Type));
case Request.DELETE:
return(httpApiClient.Delete(Url, Header, QueryString, Formatter, Type));
default:
return(httpApiClient.Get(Url, Header, QueryString, Formatter, Type));
}
}
public HttpHost GetClient()
{
if (Available)
{
HttpHost[] table = mHttpHostTable;
if (table == null || table.Length == 0)
{
return(null);
}
int count = 0;
long index = System.Threading.Interlocked.Increment(ref mIndex);
while (count < TABLE_SIZE)
{
HttpHost client = table[index % TABLE_SIZE];
if (client.Available)
{
return(client);
}
index++;
count++;
}
}
return(null);
}
private async void OnExecute()
{
HttpClientHandler client = null;
Response response;
bool closeClient = false;
try
{
object result = null;
requestResult = new TaskCompletionSource <object>();
client = await HttpHost.Pool.Pop();
Client = client.Client;
AsyncTcpClient asyncClient = (AsyncTcpClient)client.Client;
asyncClient.ClientError = onEventClientError;
asyncClient.PacketReceive = OnEventClientPacketCompleted;
GetConnection?.Invoke(asyncClient);
#if NETCOREAPP2_1
using (CodeTrackFactory.Track(Url, CodeTrackLevel.Function, mRequestTrack?.Activity?.Id, "HTTPClient", "Protocol", "Write"))
{
asyncClient.Send(this);
Status = RequestStatus.SendCompleted;
}
#else
asyncClient.Send(this);
Status = RequestStatus.SendCompleted;
#endif
#if NETCOREAPP2_1
using (CodeTrackFactory.Track(Url, CodeTrackLevel.Function, mRequestTrack?.Activity?.Id, "HTTPClient", "Protocol", "Read"))
{
var a = requestResult.Task;
result = await a;
}
#else
var a = requestResult.Task;
result = await a;
#endif
if (result is Exception error)
{
response = new Response();
response.Exception = new HttpClientException(this, HttpHost.Uri, error.Message, error);
Status = RequestStatus.Error;
closeClient = true;
}
else
{
response = (Response)result;
Status = RequestStatus.Received;
}
if (response.Exception == null)
{
int code = int.Parse(response.Code);
if (response.Length > 0)
{
try
{
if (code >= 200 && code < 300)
{
response.Body = this.Formater.Deserialization(response, response.Stream, this.BodyType, response.Length);
}
else
{
response.Body = response.Stream.ReadString(response.Length);
}
}
finally
{
response.Stream.ReadFree(response.Length);
if (response.Chunked)
{
response.Stream.Dispose();
}
response.Stream = null;
}
}
if (!response.KeepAlive)
{
client.Client.DisConnect();
}
if (code >= 400)
{
response.Exception = new HttpClientException(this, HttpHost.Uri, $"{Url}({response.Code}) [{response.Body}]");
response.Exception.Code = code;
}
Status = RequestStatus.Completed;
}
}
catch (Exception e_)
{
HttpClientException clientException = new HttpClientException(this, HttpHost.Uri, e_.Message, e_);
response = new Response {
Exception = clientException
};
Status = RequestStatus.Error;
closeClient = true;
}
if (response.Exception != null)
{
HttpHost.AddError(response.Exception.SocketError);
}
else
{
HttpHost.AddSuccess();
}
Response.Current = response;
this.Response = response;
if (client != null)
{
if (client.Client is AsyncTcpClient asclient)
{
asclient.ClientError = null;
asclient.PacketReceive = null;
}
if (closeClient)
{
await DisConnect(client.Client);
}
HttpHost.Pool.Push(client);
client = null;
}
await Task.Run(() => mTaskCompletionSource.Success(response));
}
public ClientActionHanler(MethodInfo method)
{
MethodInfo = method;
Method = "GET";
Name = method.Name;
DeclaringType = method.DeclaringType;
var host = DeclaringType.GetCustomAttribute <HostAttribute>(false);
MethodType = MethodInfo.ReturnType;
var mhost = method.GetCustomAttribute <HostAttribute>(false);
if (mhost != null)
{
host = mhost;
}
if (host != null)
{
this.Host = HttpHost.GetHttpHost(host.Host);// new HttpHost(host.Host);
}
Async = false;
if (MethodInfo.ReturnType != typeof(void))
{
if (MethodInfo.ReturnType.Name == "Task`1" || MethodInfo.ReturnType == typeof(Task))
{
Async = true;
if (MethodInfo.ReturnType.IsGenericType)
{
ReturnType = MethodInfo.ReturnType.GetGenericArguments()[0];
}
}
else
{
ReturnType = MethodInfo.ReturnType;
}
}
foreach (HeaderAttribute h in DeclaringType.GetCustomAttributes <HeaderAttribute>())
{
if (!string.IsNullOrEmpty(h.Name) && !string.IsNullOrEmpty(h.Value))
{
mHeaders[h.Name] = h.Value;
}
}
foreach (HeaderAttribute h in method.GetCustomAttributes <HeaderAttribute>())
{
if (!string.IsNullOrEmpty(h.Name) && !string.IsNullOrEmpty(h.Value))
{
mHeaders[h.Name] = h.Value;
}
}
foreach (QueryAttribute q in DeclaringType.GetCustomAttributes <QueryAttribute>())
{
if (!string.IsNullOrEmpty(q.Name) && !string.IsNullOrEmpty(q.Value))
{
mQueryString[q.Name] = q.Value;
}
}
foreach (QueryAttribute q in method.GetCustomAttributes <QueryAttribute>())
{
if (!string.IsNullOrEmpty(q.Name) && !string.IsNullOrEmpty(q.Value))
{
mQueryString[q.Name] = q.Value;
}
}
Formater = method.GetCustomAttribute <FormaterAttribute>();
if (Formater == null)
{
Formater = DeclaringType.GetCustomAttribute <FormaterAttribute>();
}
if (Formater == null)
{
Formater = new JsonFormater();
}
var get = method.GetCustomAttribute <GetAttribute>();
if (get != null)
{
Method = Request.GET;
if (!string.IsNullOrEmpty(get.Route))
{
RouteTemplateMatch = new RouteTemplateMatch(get.Route);
}
}
var post = method.GetCustomAttribute <PostAttribute>();
if (post != null)
{
Method = Request.POST;
if (!string.IsNullOrEmpty(post.Route))
{
RouteTemplateMatch = new RouteTemplateMatch(post.Route);
}
}
var del = method.GetCustomAttribute <DelAttribute>();
if (del != null)
{
Method = Request.DELETE;
if (!string.IsNullOrEmpty(del.Route))
{
RouteTemplateMatch = new RouteTemplateMatch(del.Route);
}
}
var put = method.GetCustomAttribute <PutAttribute>();
if (put != null)
{
Method = Request.PUT;
if (!string.IsNullOrEmpty(put.Route))
{
RouteTemplateMatch = new RouteTemplateMatch(put.Route);
}
}
Controller = this.DeclaringType.GetCustomAttribute <ControllerAttribute>();
if (Controller != null)
{
if (!string.IsNullOrEmpty(Controller.BaseUrl))
{
BaseUrl = Controller.BaseUrl;
}
}
if (string.IsNullOrEmpty(BaseUrl))
{
BaseUrl = "/";
}
if (BaseUrl[0] != '/')
{
BaseUrl = "/" + BaseUrl;
}
if (BaseUrl.Substring(BaseUrl.Length - 1, 1) != "/")
{
BaseUrl += "/";
}
int index = 0;
foreach (var p in method.GetParameters())
{
ClientActionParameter cap = new ClientActionParameter();
cap.Name = p.Name;
cap.ParameterType = p.ParameterType;
cap.Index = index;
index++;
HeaderAttribute cHeader = p.GetCustomAttribute <HeaderAttribute>();
if (cHeader != null)
{
if (!string.IsNullOrEmpty(cHeader.Name))
{
cap.Name = cHeader.Name;
}
mHeaderParameters.Add(cap);
}
else
{
QueryAttribute cQuery = p.GetCustomAttribute <QueryAttribute>();
if (cQuery != null)
{
if (!string.IsNullOrEmpty(cQuery.Name))
{
cap.Name = cQuery.Name;
}
mQueryStringParameters.Add(cap);
}
else
{
if (RouteTemplateMatch != null && RouteTemplateMatch.Items.Find(i => i.Name == p.Name) != null)
{
mRouteParameters.Add(cap);
}
else
{
mDataParameters.Add(cap);
}
}
}
}
}
internal HttpApiClient(string host)
{
Host = HttpHost.GetHttpHost(host); //new HttpHost(host);
}
public HttpTester(Uri uri)
{
mHttpHost = new BeetleX.Http.Clients.HttpHost(uri);
}
public HttpApiClient(string host)
{
Host = new HttpHost(host);
}
private async void OnExecute()
{
HttpClient client = null;
Response response;
try
{
client = HttpHost.Pool.Pop();
client.RequestCommpletionSource = mTaskCompletionSource;
Client = client.Client;
if (client.Client is AsyncTcpClient)
{
AsyncTcpClient asyncClient = (AsyncTcpClient)client.Client;
GetConnection?.Invoke(asyncClient);
var a = asyncClient.ReceiveMessage();
if (!a.IsCompleted)
{
asyncClient.Send(this);
Status = RequestStatus.SendCompleted;
}
var result = await a;
if (result is Exception error)
{
response = new Response();
response.Exception = new HttpClientException(this, HttpHost.Uri, error.Message, error);
Status = RequestStatus.Error;
}
else
{
response = (Response)result;
Status = RequestStatus.Received;
}
}
else
{
TcpClient syncClient = (TcpClient)client.Client;
syncClient.SendMessage(this);
Status = RequestStatus.SendCompleted;
response = syncClient.ReceiveMessage <Response>();
Status = RequestStatus.Received;
}
if (response.Exception == null)
{
int code = int.Parse(response.Code);
if (response.Length > 0)
{
try
{
if (code == 200)
{
response.Body = this.Formater.Deserialization(response, response.Stream, this.BodyType, response.Length);
}
else
{
response.Body = response.Stream.ReadString(response.Length);
}
}
finally
{
response.Stream.ReadFree(response.Length);
if (response.Chunked)
{
response.Stream.Dispose();
}
response.Stream = null;
}
}
if (!response.KeepAlive)
{
client.Client.DisConnect();
}
if (code != 200)
{
response.Exception = new HttpClientException(this, HttpHost.Uri, $"{Url}({response.Code}) [{response.Body}]");
response.Exception.Code = code;
}
Status = RequestStatus.Completed;
}
}
catch (Exception e_)
{
HttpClientException clientException = new HttpClientException(this, HttpHost.Uri, e_.Message, e_);
response = new Response {
Exception = clientException
};
Status = RequestStatus.Error;
}
if (response.Exception != null)
{
HttpHost.AddError(response.Exception.SocketError);
}
else
{
HttpHost.AddSuccess();
}
Response.Current = response;
this.Response = response;
if (client != null)
{
HttpHost.Pool.Push(client);
}
Task.Run(() => mTaskCompletionSource.Success(response));
}
