/// <summary>
/// 验证并预处理请求参数
/// </summary>
/// <param name="request"></param>
private static void InvalidRequest(ESB.Core.Schema.务请求 request)
{
if (String.IsNullOrEmpty(request.主机名称))
{
throw LogUtil.ExceptionAndLog("主机名称必须填写！", "", request);
}
if (String.IsNullOrEmpty(request.务名称))
{
throw LogUtil.ExceptionAndLog("服务名称必须填写！", "", request);
}
if (String.IsNullOrEmpty(request.方法名称))
{
EntityList <BindingTemplate> bindings = GetBindings(request);
if (bindings == null)
{
throw LogUtil.ExceptionAndLog("方法名称必须填写！", "", request);
}
else
{
throw LogUtil.ExceptionAndLog("方法名称必须填写！", "", bindings[0], request);
}
}
//--如果用户没有传递请求时间，或则传入时间无效，则默认为当前时间
if (request.请求时间.Year != DateTime.Now.Year)
{
request.请求时间 = DateTime.Now;
}
if (String.IsNullOrEmpty(request.消息内容))
{
request.消息内容 = String.Empty;
}
if (String.IsNullOrEmpty(request.密码))
{
request.密码 = String.Empty;
}
}
/// <summary>
/// 根据绑定中的协议类型调用不同的实现方法
/// </summary>
/// <param name="state"></param>
/// <returns></returns>
private static ESB.Core.Schema.务响应 CallService(CallState callState)
{
switch (callState.Binding.BindingType)
{
case (int)BindingType.WebService:
return(SoapClient.CallWebService(callState));
case (int)BindingType.REST:
return(RestfulClient.CallRestfulService(callState));
case (int)BindingType.ASHX:
return(HandlerClient.CallAshxService(callState));
case (int)BindingType.WCF_HTTP:
return(WcfClient.CallWcfService(callState));
default:
throw LogUtil.ExceptionAndLog(callState, "未知的绑定类型", callState.Binding.BindingType.ToString(), callState.Binding, callState.Request);
}
}
/// <summary>
/// 根据服务请求获取到对应的URL绑定信息
/// </summary>
/// <param name="serviceName"></param>
/// <returns></returns>
private static EntityList <BindingTemplate> GetBindings(ESB.Core.Schema.务请求 request)
{
String serviceName = request.务名称;
BusinessService service = BusinessService.FindByServiceName(serviceName);
if (service == null)
{
throw LogUtil.ExceptionAndLog(String.Format("服务【{0}】尚未注册！", serviceName), "", request);
}
//--查找某个服务下所有启用状态的绑定
EntityList <BindingTemplate> bings = BindingTemplate.FindAllByServiceID(service.ServiceID);
if (bings == null || bings.Count == 0)
{
throw LogUtil.ExceptionAndLog(String.Format("服务【{0}】尚未绑定任何路由地址！", serviceName), "", request);
}
return(bings);
}
public static ESB.Core.Schema.务响应 CallAshxService(CallState callState)
{
//--STEP.1.从CallState中获取到需要的信息
ESB.Core.Schema.务请求 request = callState.Request;
String message = callState.Request.消息内容;
BindingTemplate binding = callState.Binding;
String uri = callState.Binding.Address;
String contentType = String.Equals(callState.Request.消息编码, "XML", StringComparison.OrdinalIgnoreCase)
? EsbClient.CONTENT_TYPE_XML : EsbClient.CONTENT_TYPE_JSON;
//--STEP.2.根据method拼接URL
if (String.IsNullOrEmpty(callState.Request.方法名称))
{
throw LogUtil.ExceptionAndLog(callState, "ASHX服务的方法名称必须填写", "", binding, request);
}
else
{
uri = uri + "?EsbAction=" + callState.Request.方法名称;
}
//--STEP.3.构造HTTP请求并调用ASHX服务
ESB.Core.Schema.务响应 response = new ESB.Core.Schema.务响应();
try
{
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
webRequest.Accept = contentType;
webRequest.Method = "POST";
webRequest.ContentType = contentType;
//--STEP.3.1.如果是POST请求，则需要将消息内容发送出去
if (!String.IsNullOrEmpty(message))
{
byte[] data = System.Text.Encoding.Default.GetBytes(message);
using (Stream stream = webRequest.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
//--STEP.3.2.获取到响应消息
callState.CallBeginTime = DateTime.Now;
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
using (Stream newstream = webResponse.GetResponseStream())
{
using (StreamReader srRead = new StreamReader(newstream, System.Text.Encoding.Default))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = outString;
srRead.Close();
}
}
//--STEP.3.3.记录日志并返回ESB响应
LogUtil.AddAuditLog(
1
, binding
, callState.RequestBeginTime, callState.RequestEndTime, callState.CallBeginTime, callState.CallEndTime
, response.消息内容, request);
}
catch (Exception ex)
{
callState.CallEndTime = DateTime.Now;
String exMessage = String.Empty;
if (ex.InnerException != null)
{
exMessage = ex.InnerException.Message;
}
else
{
exMessage = ex.Message;
}
throw LogUtil.ExceptionAndLog(callState, "调用目标服务抛出异常", exMessage, binding, request);
}
return(response);
}
/// <summary>
/// 调用主流程
/// </summary>
/// <param name="callState"></param>
/// <returns></returns>
public static ESB.Core.Schema.务响应 CallRestfulService(CallState callState)
{
//--STEP.1.从CallState中获取到需要的信息
ESB.Core.Schema.务请求 request = callState.Request;
String message = callState.Request.消息内容;
BindingTemplate binding = callState.Binding;
String uri = callState.Binding.Address.TrimEnd('/');
String contentType = Constant.CONTENT_TYPE_JSON;
String method = "POST";
String methodName = String.Empty;
String[] methodParams = callState.Request.方法名称.Split(":");
if (methodParams.Length == 1)
{
method = "POST";
methodName = methodParams[0];
contentType = Constant.CONTENT_TYPE_JSON;
}
else if (methodParams.Length == 2)
{
method = methodParams[0];
methodName = methodParams[1];
contentType = Constant.CONTENT_TYPE_JSON;
}
else if (methodParams.Length == 3)
{
method = methodParams[0];
methodName = methodParams[2];
contentType = String.Compare("JSON", methodParams[1], true) == 0 ? Constant.CONTENT_TYPE_JSON : Constant.CONTENT_TYPE_XML;
}
//contentType = Constant.CONTENT_TYPE_JSON;
//--STEP.2.根据method拼接URL
if (method.ToUpper() == "GET")
{
message = message.Trim();
if (message.StartsWith("{"))//--如果参数以大括弧开头，说明是JSON参数，需要转化成QueryString
{
message = JsonToQueryString(message);
}
uri = uri + "/" + methodName + "?" + message;
}
else
{
uri = uri + "/" + methodName;
}
//uri = "http://10.100.20.180:8016/" + methodName + "?format=json";
//uri = "http://localhost:8080/" + methodName;// +"?format=json";
//--STEP.3.构造HTTP请求并调用RESTful服务
ESB.Core.Schema.务响应 response = new ESB.Core.Schema.务响应();
try
{
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
webRequest.Accept = contentType;
webRequest.Method = method;
webRequest.ContentType = contentType;
webRequest.Timeout = callState.ServiceConfig.Timeout;
webRequest.Headers.Add(Constant.ESB_HEAD_TRACE_CONTEXT, callState.TraceContext.ToString());
//--STEP.3.1.如果是POST请求，则需要将消息内容发送出去
if (method == "POST" && !String.IsNullOrEmpty(message))
{
byte[] data = System.Text.Encoding.UTF8.GetBytes(message);
using (Stream stream = webRequest.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
//--STEP.3.2.获取到响应消息
callState.CallBeginTime = DateTime.Now;
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
//--从返回头消息中取到服务调用的时间
callState.ServiceBeginTime = webResponse.Headers[Constant.ESB_HEAD_SERVICE_BEGIN];
callState.ServiceEndTime = webResponse.Headers[Constant.ESB_HEAD_SERVICE_END];
using (Stream newstream = webResponse.GetResponseStream())
{
using (StreamReader srRead = new StreamReader(newstream, System.Text.Encoding.UTF8))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = outString;
srRead.Close();
}
}
//--STEP.3.3.记录日志并返回ESB响应
LogUtil.AddAuditLog(
1
, binding
, callState
, response.消息内容, request);
}
catch (Exception ex)
{
callState.CallEndTime = DateTime.Now;
String exMessage = String.Empty;
if (ex.InnerException != null)
{
exMessage = ex.InnerException.Message;
}
else
{
exMessage = ex.Message;
}
throw LogUtil.ExceptionAndLog(callState, "调用目标服务抛出异常", exMessage, binding, request);
}
return(response);
}
/// <summary>
/// 利用反射调用目标服务
/// </summary>
/// <param name="url"></param>
/// <param name="request"></param>
/// <returns></returns>
internal static ESB.Core.Schema.务响应 CallWebService(CallState state)
{
CallState callState = state as CallState;
BindingTemplate binding = callState.Binding;
ESB.Core.Schema.务请求 request = callState.Request;
SoapClientItem soapClient = null;
try
{
soapClient = SoapClientCache.GetItem(binding.Address, request.务名称);
}
catch (Exception ex)
{
throw LogUtil.ExceptionAndLog(callState, "获取目标服务的代理程序集时发生异常", ex.Message, binding, request);
}
if (soapClient != null)
{
MethodInfo method = soapClient.GetMethodInfo(request.方法名称);
if (method == null)
{
throw LogUtil.ExceptionAndLog(callState, "目标服务未实现方法", request.方法名称, binding, request);
}
Object req = GetRequest(soapClient, request);
if (req == null)
{
throw LogUtil.ExceptionAndLog(callState, "无法将请求转换成目标服务所需要的输入参数", "", binding, request);
}
Object res = null;
try
{
callState.CallBeginTime = DateTime.Now;
res = method.Invoke(soapClient.PortObject, new Object[] { req });
callState.CallEndTime = DateTime.Now;
}
catch (Exception ex)
{
callState.CallEndTime = DateTime.Now;
String message = String.Empty;
if (ex.InnerException != null)
{
message = ex.InnerException.Message;
}
else
{
message = ex.Message;
}
throw LogUtil.ExceptionAndLog(callState, "调用目标服务抛出异常", message, binding, request);
}
ESB.Core.Schema.务响应 response = GetResponse(res, method.ReturnType);
LogUtil.AddAuditLog(
1
, binding
, callState.RequestBeginTime, callState.RequestEndTime, callState.CallBeginTime, callState.CallEndTime
, response.消息内容, request);
return(response);
}
else
{
throw LogUtil.ExceptionAndLog(callState, "获取目标服务的代理程序集失败！", "", binding, request);
}
}
/// <summary>
/// 调用Handler服务
/// </summary>
/// <param name="callState"></param>
/// <returns></returns>
public static ESB.Core.Schema.务响应 CallAshxService(CallState callState)
{
//--STEP.1.从CallState中获取到需要的信息
ESB.Core.Schema.务请求 request = callState.Request;
String message = callState.Request.消息内容;
BindingTemplate binding = callState.Binding;
String uri = callState.Binding.Address;
String contentType = String.Equals(callState.Request.消息编码, "XML", StringComparison.OrdinalIgnoreCase)
? Constant.CONTENT_TYPE_XML : Constant.CONTENT_TYPE_JSON;
callState.Request.方法名称 = GetMethodName(callState.Request.方法名称);
//--STEP.2.根据method拼接URL
if (String.IsNullOrEmpty(callState.Request.方法名称))
{
throw LogUtil.ExceptionAndLog(callState, "ASHX服务的方法名称必须填写", "", binding, request);
}
//--STEP.3.构造HTTP请求并调用ASHX服务
ESB.Core.Schema.务响应 response = new ESB.Core.Schema.务响应();
try
{
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
webRequest.Accept = contentType;
webRequest.Method = "POST";
webRequest.ContentType = contentType;
webRequest.Timeout = callState.ServiceConfig.Timeout;
webRequest.Headers.Add("Accept-Encoding", "gzip");
webRequest.Headers.Add(Constant.ESB_HEAD_TRACE_CONTEXT, callState.TraceContext.ToString());
webRequest.Headers.Add(Constant.ESB_HEAD_ANVOKE_ACTION, callState.Request.方法名称);
//--STEP.3.1.如果是POST请求，则需要将消息内容发送出去
if (!String.IsNullOrEmpty(message))
{
byte[] data = System.Text.Encoding.UTF8.GetBytes(message);
using (Stream stream = webRequest.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
//--STEP.3.2.获取到响应消息
callState.CallBeginTime = DateTime.Now;
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
String contentEncoding = webResponse.ContentEncoding.ToLower();
callState.ServiceBeginTime = webResponse.Headers[Constant.ESB_HEAD_SERVICE_BEGIN];
callState.ServiceEndTime = webResponse.Headers[Constant.ESB_HEAD_SERVICE_END];
if (String.IsNullOrEmpty(contentEncoding))
{
using (Stream newstream = webResponse.GetResponseStream())
{
using (StreamReader srRead = new StreamReader(newstream, System.Text.Encoding.UTF8))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = outString;
srRead.Close();
}
}
}
else if (contentEncoding.Contains("gzip"))
{
using (GZipStream stream = new GZipStream(webResponse.GetResponseStream(), CompressionMode.Decompress))
{
using (StreamReader srRead = new StreamReader(stream, System.Text.Encoding.UTF8))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = outString;
srRead.Close();
}
}
}
else if (contentEncoding.Contains("deflate"))
{
using (DeflateStream stream = new DeflateStream(webResponse.GetResponseStream(), CompressionMode.Decompress))
{
using (StreamReader srRead = new StreamReader(stream, System.Text.Encoding.UTF8))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = outString;
srRead.Close();
}
}
}
else
{
using (Stream newstream = webResponse.GetResponseStream())
{
using (StreamReader srRead = new StreamReader(newstream, System.Text.Encoding.UTF8))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = outString;
srRead.Close();
}
}
}
//--STEP.3.3.记录日志并返回ESB响应
LogUtil.AddAuditLog(
1
, binding
, callState
, response.消息内容, request);
}
catch (Exception ex)
{
callState.CallEndTime = DateTime.Now;
String exMessage = String.Empty;
if (ex.InnerException != null)
{
exMessage = ex.InnerException.Message;
}
else
{
exMessage = ex.Message;
}
throw LogUtil.ExceptionAndLog(callState, "调用目标服务抛出异常", exMessage, binding, request);
}
return(response);
}
public static ESB.Core.Schema.务响应 CallWcfService(CallState callState)
{
//Console.WriteLine("CallWcfService 开始：{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
//--STEP.1.从CallState中获取到需要的信息
ESB.Core.Schema.务请求 request = callState.Request;
String message = callState.Request.消息内容;
BindingTemplate binding = callState.Binding;
String uri = callState.Binding.Address;
callState.Request.方法名称 = GetMethodName(callState.Request.方法名称);
//--STEP.3.构造HTTP请求并调用ASHX服务
ESB.Core.Schema.务响应 response = new ESB.Core.Schema.务响应();
try
{
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
//webRequest.Proxy = null;
webRequest.Method = "POST";
webRequest.ContentType = "text/xml; charset=utf-8";
webRequest.Timeout = callState.ServiceConfig.Timeout;
webRequest.Headers.Add("Accept-Encoding", "gzip, deflate");
webRequest.Headers.Add(Constant.ESB_HEAD_TRACE_CONTEXT, callState.TraceContext.ToString());
webRequest.Headers.Add(Constant.ESB_HEAD_ANVOKE_ACTION, callState.Request.方法名称);
if (String.IsNullOrEmpty(callState.Request.方法名称))
{
throw LogUtil.ExceptionAndLog(callState, "WCF-HTTP服务的方法名称必须填写", "", binding, request);
}
else
{
webRequest.Headers.Add("SOAPAction", String.Format("{0}/EsbAction", Constant.COMPANY_URL));
}
//Console.WriteLine("WebRequest.Create 完成：{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
//--STEP.3.1.如果是POST请求，则需要将消息内容发送出去
if (!String.IsNullOrEmpty(message))
{
String reqMessage = CommonUtil.XmlEncoding(request.消息内容);
String esbAction = request.方法名称;
String soapMessage = String.Format(SOAP_MESSAGE_TEMPLATE, Constant.COMPANY_URL, reqMessage);
byte[] data = System.Text.Encoding.UTF8.GetBytes(soapMessage);
//Console.WriteLine("webRequest.GetRequestStream 开始：{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
using (Stream stream = webRequest.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
//Console.WriteLine("webRequest.GetRequestStream 完成：{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
}
//--STEP.3.2.获取到响应消息
callState.CallBeginTime = DateTime.Now;
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
//--从返回头消息中取到服务调用的时间
callState.ServiceBeginTime = webResponse.Headers[Constant.ESB_HEAD_SERVICE_BEGIN];
callState.ServiceEndTime = webResponse.Headers[Constant.ESB_HEAD_SERVICE_END];
//Console.WriteLine("webRequest.GetResponse 完成：{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
if (webResponse.ContentEncoding.ToLower().Contains("gzip"))
{
using (GZipStream stream = new GZipStream(webResponse.GetResponseStream(), CompressionMode.Decompress))
{
using (StreamReader srRead = new StreamReader(stream, System.Text.Encoding.UTF8))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = GetMessageFromSOAP(outString, "//" + callState.Request.方法名称 + "Result");
srRead.Close();
}
}
}
else if (webResponse.ContentEncoding.ToLower().Contains("deflate"))
{
using (DeflateStream stream = new DeflateStream(webResponse.GetResponseStream(), CompressionMode.Decompress))
{
using (StreamReader srRead = new StreamReader(stream, System.Text.Encoding.UTF8))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = GetMessageFromSOAP(outString, "//" + callState.Request.方法名称 + "Result");
srRead.Close();
}
}
}
else
{
using (Stream newstream = webResponse.GetResponseStream())
{
using (StreamReader srRead = new StreamReader(newstream, System.Text.Encoding.UTF8))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = GetMessageFromSOAP(outString, "//" + callState.Request.方法名称 + "Result");
srRead.Close();
}
}
}
//Console.WriteLine("CallWcfService 完成：{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
//Console.WriteLine("AddAuditLog 开始：{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
//--STEP.3.3.记录日志并返回ESB响应
LogUtil.AddAuditLog(
1
, binding
, callState
, response.消息内容, request);
//Console.WriteLine("AddAuditLog 完成：{0}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
}
catch (Exception ex)
{
callState.CallEndTime = DateTime.Now;
String exMessage = String.Empty;
if (ex.InnerException != null)
{
exMessage = ex.InnerException.Message;
}
else
{
exMessage = ex.Message;
}
throw LogUtil.ExceptionAndLog(callState, "调用目标服务抛出异常", exMessage, binding, request);
}
return(response);
}
public static ESB.Core.Schema.务响应 CallWcfService(CallState callState)
{
//--STEP.1.从CallState中获取到需要的信息
ESB.Core.Schema.务请求 request = callState.Request;
String message = callState.Request.消息内容;
BindingTemplate binding = callState.Binding;
String uri = callState.Binding.Address;
//--STEP.3.构造HTTP请求并调用ASHX服务
ESB.Core.Schema.务响应 response = new ESB.Core.Schema.务响应();
try
{
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
webRequest.Method = "POST";
webRequest.ContentType = "text/xml";
if (String.IsNullOrEmpty(callState.Request.方法名称))
{
throw LogUtil.ExceptionAndLog(callState, "WCF-HTTP服务的方法名称必须填写", "", binding, request);
}
else
{
webRequest.Headers.Add("SOAPAction", String.Format("{0}/{1}", EsbClient.COMPANY_URL, request.方法名称));
}
//--STEP.3.1.如果是POST请求，则需要将消息内容发送出去
if (!String.IsNullOrEmpty(message))
{
String reqMessage = CommonUtil.XmlEncoding(request.消息内容);
String soapMessage = String.Format(SOAP_MESSAGE_TEMPLATE, EsbClient.COMPANY_URL, reqMessage);
byte[] data = System.Text.Encoding.Default.GetBytes(soapMessage);
using (Stream stream = webRequest.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
//--STEP.3.2.获取到响应消息
callState.CallBeginTime = DateTime.Now;
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
using (Stream newstream = webResponse.GetResponseStream())
{
using (StreamReader srRead = new StreamReader(newstream, System.Text.Encoding.Default))
{
String outString = srRead.ReadToEnd();
callState.CallEndTime = DateTime.Now;
response.消息内容 = GetMessageFromSOAP(outString, "//" + callState.Request.方法名称 + "Result");
srRead.Close();
}
}
//--STEP.3.3.记录日志并返回ESB响应
LogUtil.AddAuditLog(
1
, binding
, callState.RequestBeginTime, callState.RequestEndTime, callState.CallBeginTime, callState.CallEndTime
, response.消息内容, request);
}
catch (Exception ex)
{
callState.CallEndTime = DateTime.Now;
String exMessage = String.Empty;
if (ex.InnerException != null)
{
exMessage = ex.InnerException.Message;
}
else
{
exMessage = ex.Message;
}
throw LogUtil.ExceptionAndLog(callState, "调用目标服务抛出异常", exMessage, binding, request);
}
return(response);
}