/// <summary>
/// set proxy
/// </summary>
/// <param name="httpWebRequest"></param>
/// <param name="config"></param>
private static void SetRequestProxy(HttpWebRequest httpWebRequest, HttpClientConfig config)
{
httpWebRequest.Proxy = null;
if (!String.IsNullOrEmpty(config.ProxyHost))
{
if (config.ProxyPort < 0)
{
httpWebRequest.Proxy = new WebProxy(config.ProxyHost);
}
else
{
httpWebRequest.Proxy = new WebProxy(config.ProxyHost, config.ProxyPort);
}
if (!String.IsNullOrEmpty(config.ProxyUserName))
{
httpWebRequest.Proxy.Credentials = String.IsNullOrEmpty(config.ProxyDomain) ?
new NetworkCredential(config.ProxyUserName, config.ProxyUserPassword ?? String.Empty) :
new NetworkCredential(config.ProxyUserName, config.ProxyUserPassword ?? String.Empty,
config.ProxyDomain);
}
// 代理验证
// 代理验证
httpWebRequest.PreAuthenticate = true;
}
}
public static void Init(HttpClientConfig config, QCloudCredentialProvider credentialsProvider)
{
lock (sync)
{
HttpClient.config = config;
HttpClient.credentialsProvider = credentialsProvider;
// init grobal httpwebreqeust
CommandTask.Init(HttpClient.config);
}
}
/// <summary>
/// async to excute
/// </summary>
/// <param name="request"></param>
/// <param name="response"></param>
/// <param name="config"></param>
public static void Schedue(Request request, Response response, HttpClientConfig config)
{
HttpWebRequest httpWebRequest = null;
RequestState requestState = new RequestState();
try
{
requestState.request = request;
requestState.response = response;
httpWebRequest = WebRequest.Create(request.RequestUrlString) as HttpWebRequest;
httpWebRequest.AllowWriteStreamBuffering = false;
//bind webRequest
request.BindHttpWebRequest(httpWebRequest);
//handle request header
HandleHttpWebRequestHeaders(request, httpWebRequest, config);
requestState.httpWebRequest = httpWebRequest;
//handle request body
if (request.Body != null)
{
httpWebRequest.ContentLength = request.Body.ContentLength;
httpWebRequest.BeginGetRequestStream(new AsyncCallback(AsyncRequestCallback), requestState);
}
else
{
//wait for response
httpWebRequest.BeginGetResponse(new AsyncCallback(AsyncResponseCallback), requestState);
}
//print log
PrintReqeustInfo(httpWebRequest);
}
catch (WebException webEx)
{
response.OnFinish(false, webEx);
//abort
requestState.Clear();
QLog.D(TAG, webEx.Message, webEx);
}
catch (Exception ex)
{
response.OnFinish(false, ex);
//abort
requestState.Clear();
QLog.E(TAG, ex.Message, ex);
}
}
public HttpClient(HttpClientConfig config)
{
if (config != null)
{
this.config = config;
}
else
{
this.config = new HttpClientConfig.Builder().Build();
}
// init grobal httpwebreqeust
CommandTask.Init(this.config);
}
public static void Init(HttpClientConfig config, QCloudCredentialProvider credentialsProvider)
{
lock (sync)
{
if (config == null)
{
throw new CosClientException((int)CosClientError.INVALID_ARGUMENT, "HttpClientConfig = null");
}
HttpClient.config = config;
HttpClient.credentialsProvider = credentialsProvider;
// init grobal httpwebreqeust
CommandTask.Init(HttpClient.config);
}
}
public void Init(HttpClientConfig config)
{
if (this.config == null)
{
lock (sync)
{
if (this.config == null)
{
this.config = config;
// init grobal httpwebreqeust
CommandTask.Init(this.config);
}
}
}
}
/// <summary>
/// sync excute
/// </summary>
/// <param name="request"></param>
/// <param name="config"></param>
/// <returns></returns>
public static void excute(Request request, Response response, HttpClientConfig config)
{
//step1: create HttpWebRequest by request.url
HttpWebRequest httpWebRequest = HttpWebRequest.Create(request.Url.ToString()) as HttpWebRequest;
// handler request
HandleHttpWebRequest(httpWebRequest, request, config);
//final: get response
HttpWebResponse httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
//print log
printReqeustInfo(httpWebRequest);
//handle response
HandleHttpWebResponse(httpWebResponse, response);
}
/// <summary>
/// sync excute
/// </summary>
/// <param name="request"></param>
/// <param name="config"></param>
/// <returns></returns>
public static void Excute(Request request, Response response, HttpClientConfig config)
{
HttpWebRequest httpWebRequest = null;
HttpWebResponse httpWebResponse = null;
try
{
//step1: create HttpWebRequest by request.url
httpWebRequest = HttpWebRequest.Create(request.RequestUrlString) as HttpWebRequest;
httpWebRequest.AllowWriteStreamBuffering = false;
//bind webRequest
request.BindHttpWebRequest(httpWebRequest);
// handler request
HandleHttpWebRequest(httpWebRequest, request, config);
//final: get response
httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
//notify has been got response
request.onNotifyGetResponse();
//handle response for [100, 300)
HandleHttpWebResponse(httpWebResponse, response);
}
catch (WebException webEx)
{
if (webEx.Response != null && webEx.Response is HttpWebResponse)
{
//notify has been got response
request.onNotifyGetResponse();
httpWebResponse = (HttpWebResponse)webEx.Response;
//handle response for [400, 500]
HandleHttpWebResponse(httpWebResponse, response);
}
else
{
//QLog.E(TAG, webEx.Message, webEx);
throw;
}
}
catch (Exception ex)
{
//QLog.E(TAG, ex.Message, ex);
throw;
}
finally
{
if (httpWebResponse != null)
{
// print log
PrintResponseInfo(httpWebResponse);
httpWebResponse.Close();
//QLog.D("XIAO", "response close");
}
if (httpWebRequest != null)
{
httpWebRequest.Abort();
//QLog.D("XIAO", "request close");
}
QLog.D(TAG, "close");
}
}
/// <summary>
/// init connectionLimit and statueCode = 100 action
/// </summary>
/// <param name="config"></param>
public static void Init(HttpClientConfig config)
{
ServicePointManager.Expect100Continue = false;
ServicePointManager.DefaultConnectionLimit = config.ConnectionLimit;
}
/// <summary>
/// handle request headers
/// </summary>
/// <param name="request"></param>
/// <param name="httpWebRequest"></param>
/// <param name="config"></param>
private static void HandleHttpWebRequestHeaders(Request request, HttpWebRequest httpWebRequest, HttpClientConfig config)
{
// set connect timeout
httpWebRequest.Timeout = config.ConnectionTimeoutMs;
//set read write timeout
httpWebRequest.ReadWriteTimeout = config.ReadWriteTimeoutMs;
// set request method
httpWebRequest.Method = request.Method.ToUpperInvariant();
// set user-agent
httpWebRequest.UserAgent = request.UserAgent;
//set host, net2.0 cannot set;
// set allow auto redirect
httpWebRequest.AllowAutoRedirect = config.AllowAutoRedirect;
// notice: it is not allowed to set common headers with the WebHeaderCollection.Accept
// such as: Connection,Content-Length,Content-Type,Date,Expect. Host,If-Modified-Since,Range, Referer,Transfer-Encoding,User-Agent,Proxy-Connection
//step2: set header and connection properity by request.heders
foreach (KeyValuePair <string, string> pair in request.Headers)
{
HttpHeaderHandle.AddHeader(httpWebRequest.Headers, pair.Key, pair.Value);
}
//step3: set proxy, default proxy = null, improte performation
SetRequestProxy(httpWebRequest, config);
//step4: https, default all true for "*.myqcloud.com"
if (request.IsHttps)
{
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationCertificate);
}
//初始化长度
httpWebRequest.ContentLength = 0L;
}
/// <summary>
/// handle request
/// </summary>
/// <param name="httpWebRequest"></param>
/// <param name="request"></param>
/// <param name="config"></param>
private static void HandleHttpWebRequest(HttpWebRequest httpWebRequest, Request request, HttpClientConfig config)
{
HandleHttpWebRequestHeaders(request, httpWebRequest, config);
//setp5: send request content: body
if (request.Body != null)
{
httpWebRequest.ContentLength = request.Body.ContentLength;
request.Body.OnWrite(httpWebRequest.GetRequestStream());
}
//print request start log
PrintReqeustInfo(httpWebRequest);
}
/// <summary>
/// handle request
/// </summary>
/// <param name="httpWebRequest"></param>
/// <param name="request"></param>
/// <param name="config"></param>
private static void HandleHttpWebRequest(HttpWebRequest httpWebRequest, Request request, HttpClientConfig config)
{
// set connect timeout
httpWebRequest.Timeout = config.ConnectionTimeoutMs;
//set read write timeout
httpWebRequest.ReadWriteTimeout = config.ReadWriteTimeoutMs;
// set request method
httpWebRequest.Method = request.Method.ToUpperInvariant();
// set user-agent
httpWebRequest.UserAgent = config.UserAgnet;
// set allow auto redirect
httpWebRequest.AllowAutoRedirect = config.AllowAutoRedirect;
// notice: it is not allowed to set common headers with the WebHeaderCollection.Accept
// such as: Connection,Content-Length,Content-Type,Date,Expect. Host,If-Modified-Since,Range, Referer,Transfer-Encoding,User-Agent,Proxy-Connection
//step2: set header and connection properity by request.heders
for (int i = 0, count = request.Headers.Size(); i < count; i++)
{
HttpHeaderHandle.AddHeader(httpWebRequest.Headers, request.Headers.Name(i), request.Headers.Value(i));
}
//step3: set proxy, default proxy = null, improte performation
SetRequestProxy(httpWebRequest, config);
//step4: https, default all true for "*.myqcloud.com"
if (request.IsHttps)
{
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationCertificate);
}
//setp5: send request content: body
if (request.Body != null)
{
request.Body.OnWrite(httpWebRequest.GetRequestStream());
}
}