UnTypedServiceExample
Questo esempio illustra come implementare un servizio non tipizzato con il modello di servizio. In questo caso, il modello di servizio fornisce l'infrastruttura della lastra di caldaia.
UnTypedService.cpp
//------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
//------------------------------------------------------------
#ifndef UNICODE
#define UNICODE
#endif
#include <windows.h>
#include <stdio.h>
#include "WebServices.h"
#include "process.h"
#include "string.h"
#include "PurchaseOrder.wsdl.h"
// Print out rich error info
void PrintError(HRESULT errorCode, WS_ERROR* error)
{
wprintf(L"Failure: errorCode=0x%lx\n", errorCode);
if (errorCode == E_INVALIDARG || errorCode == WS_E_INVALID_OPERATION)
{
// Correct use of the APIs should never generate these errors
wprintf(L"The error was due to an invalid use of an API. This is likely due to a bug in the program.\n");
DebugBreak();
}
HRESULT hr = NOERROR;
if (error != NULL)
{
ULONG errorCount;
hr = WsGetErrorProperty(error, WS_ERROR_PROPERTY_STRING_COUNT, &errorCount, sizeof(errorCount));
if (FAILED(hr))
{
goto Exit;
}
for (ULONG i = 0; i < errorCount; i++)
{
WS_STRING string;
hr = WsGetErrorString(error, i, &string);
if (FAILED(hr))
{
goto Exit;
}
wprintf(L"%.*s\n", string.length, string.chars);
}
}
Exit:
if (FAILED(hr))
{
wprintf(L"Could not get error string (errorCode=0x%lx)\n", hr);
}
}
HANDLE closeServer = NULL;
volatile long numberOfItems = 0;
HRESULT CALLBACK ProcessMessage(
__in const WS_OPERATION_CONTEXT* context,
__in_opt const WS_ASYNC_CONTEXT* asyncContext,
__in_opt WS_ERROR* error)
{
UNREFERENCED_PARAMETER(asyncContext);
WS_CHANNEL* channel = NULL;
HRESULT hr = NOERROR;
WS_HEAP* heap = NULL;
WS_MESSAGE* replyMessage = NULL;
hr = WsGetOperationContextProperty(
context,
WS_OPERATION_CONTEXT_PROPERTY_HEAP,
&heap,
sizeof(heap),
error);
if (FAILED(hr))
{
goto Exit;
}
WS_MESSAGE* requestMessage = NULL;
hr = WsGetOperationContextProperty(
context,
WS_OPERATION_CONTEXT_PROPERTY_INPUT_MESSAGE,
&requestMessage,
sizeof(requestMessage),
error);
if (FAILED(hr))
{
goto Exit;
}
hr = WsGetOperationContextProperty(
context,
WS_OPERATION_CONTEXT_PROPERTY_CHANNEL,
&channel,
sizeof(channel),
error);
if (FAILED(hr))
{
goto Exit;
}
hr = WsCreateMessageForChannel(
channel,
NULL,
0,
&replyMessage,
error);
if (FAILED(hr))
{
goto Exit;
}
// Get action value
WS_XML_STRING receivedAction;
hr = WsGetHeader(
requestMessage,
WS_ACTION_HEADER,
WS_XML_STRING_TYPE,
WS_READ_REQUIRED_VALUE,
NULL,
&receivedAction,
sizeof(receivedAction),
error);
if (FAILED(hr))
{
goto Exit;
}
// Make sure action is what we expect
if (WsXmlStringEquals(
&receivedAction,
PurchaseOrder_wsdl.messages.PurchaseOrder.action,
error) != S_OK)
{
hr = WS_E_ENDPOINT_ACTION_NOT_SUPPORTED;
goto Exit;
}
// Read purchase order
_PurchaseOrderType purchaseOrder;
hr = WsReadBody(
requestMessage,
&PurchaseOrder_wsdl.globalElements.PurchaseOrderType,
WS_READ_REQUIRED_VALUE,
heap, &purchaseOrder,
sizeof(purchaseOrder),
error);
if (FAILED(hr))
{
goto Exit;
}
// Read end of message
hr = WsReadMessageEnd(
channel,
requestMessage,
NULL,
error);
if (FAILED(hr))
{
goto Exit;
}
// Print out purchase order contents
wprintf(L"%ld, %.*s\n",
purchaseOrder.quantity,
purchaseOrder.productName.length,
purchaseOrder.productName.chars);
// Initialize order confirmation data
_OrderConfirmationType orderConfirmation;
orderConfirmation.expectedShipDate.chars = L"1/1/2006";
orderConfirmation.expectedShipDate.length = 8;
orderConfirmation.orderID = 123;
// Send a reply message
hr = WsSendReplyMessage(
channel,
replyMessage,
&PurchaseOrder_wsdl.messages.OrderConfirmation,
WS_WRITE_REQUIRED_VALUE,
&orderConfirmation,
sizeof(orderConfirmation),
requestMessage,
NULL,
error);
if (FAILED(hr))
{
goto Exit;
}
hr = WS_S_END;
Exit:
fflush(stdout);
if (replyMessage != NULL)
{
WsFreeMessage(
replyMessage);
}
return hr;
}
HRESULT CALLBACK CloseChannelCallback(
__in const WS_OPERATION_CONTEXT* context,
__in_opt const WS_ASYNC_CONTEXT* asyncContext)
{
UNREFERENCED_PARAMETER(context);
UNREFERENCED_PARAMETER(asyncContext);
const ULONG totalItems = InterlockedIncrement(
&numberOfItems);
if (totalItems == 100)
{
SetEvent(closeServer);
}
return NOERROR;
}
static const WS_SERVICE_CONTRACT messageContract = { NULL, ProcessMessage, NULL};
// Main entry point
int __cdecl wmain(int argc, __in_ecount(argc) wchar_t **argv)
{
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
HRESULT hr = NOERROR;
WS_SERVICE_HOST* host = NULL;
WS_SERVICE_ENDPOINT serviceEndpoint = {};
const WS_SERVICE_ENDPOINT* serviceEndpoints[1];
serviceEndpoints[0] = &serviceEndpoint;
WS_ERROR* error = NULL;
WS_SERVICE_ENDPOINT_PROPERTY serviceEndpointProperties[1];
WS_SERVICE_PROPERTY_CLOSE_CALLBACK closeCallbackProperty = {CloseChannelCallback};
serviceEndpointProperties[0].id = WS_SERVICE_ENDPOINT_PROPERTY_CLOSE_CHANNEL_CALLBACK;
serviceEndpointProperties[0].value = &closeCallbackProperty;
serviceEndpointProperties[0].valueSize = sizeof(closeCallbackProperty);
// Create Event object for closing the server
closeServer = CreateEvent(
NULL,
TRUE,
FALSE,
NULL);
if (closeServer == NULL)
{
hr = HRESULT_FROM_WIN32(GetLastError());
goto Exit;
}
// Initialize service endpoint
serviceEndpoint.address.url.chars = L"http://+:80/example"; // address given as uri
serviceEndpoint.address.url.length = (ULONG)wcslen(serviceEndpoint.address.url.chars);
serviceEndpoint.channelBinding = WS_HTTP_CHANNEL_BINDING; // channel binding for the endpoint
serviceEndpoint.channelType = WS_CHANNEL_TYPE_REPLY; // the channel type
serviceEndpoint.contract = &messageContract; // the contract
serviceEndpoint.properties = serviceEndpointProperties;
serviceEndpoint.propertyCount = WsCountOf(serviceEndpointProperties);
// Create an error object for storing rich error information
hr = WsCreateError(
NULL,
0,
&error);
if (FAILED(hr))
{
goto Exit;
}
// Creating a service host
hr = WsCreateServiceHost(
serviceEndpoints,
1,
NULL,
0,
&host,
error);
if (FAILED(hr))
{
goto Exit;
}
// WsOpenServiceHost to start the listeners in the service host
hr = WsOpenServiceHost(
host,
NULL,
error);
if (FAILED(hr))
{
goto Exit;
}
WaitForSingleObject(closeServer, INFINITE);
// Close the service host
hr = WsCloseServiceHost(host, NULL, error);
if (FAILED(hr))
{
goto Exit;
}
Exit:
if (FAILED(hr))
{
// Print out the error
PrintError(hr, error);
}
fflush(
stdout);
if (host != NULL)
{
WsFreeServiceHost(host);
}
if (error != NULL)
{
WsFreeError(error);
}
if (closeServer != NULL)
{
CloseHandle(closeServer);
}
fflush(stdout);
return SUCCEEDED(hr) ? 0 : -1;
}
PurchaseOrder.wsdl
<wsdl:definitions
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:tns="http://example.org"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl"
xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/"
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
targetNamespace="http://example.org">
<wsdl:types>
<xsd:schema targetNamespace="http://example.org" elementFormDefault="qualified">
<xsd:element name="PurchaseOrderType">
<xsd:complexType>
<xsd:sequence>
<xsd:element minOccurs="0" name="quantity" type="xsd:int"/>
<xsd:element minOccurs="0" name="productName" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="OrderConfirmationType">
<xsd:complexType>
<xsd:sequence>
<xsd:element minOccurs="0" name="orderID" type="xsd:unsignedInt"/>
<xsd:element minOccurs="0" name="expectedShipDate" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="GetOrderStatusType">
<xsd:complexType>
<xsd:sequence>
<xsd:element minOccurs="0" name="orderID" type="xsd:unsignedInt"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="GetOrderStatusResponseType">
<xsd:complexType>
<xsd:sequence>
<xsd:element minOccurs="0" name="orderID" type="xsd:unsignedInt"/>
<xsd:element minOccurs="0" name="status" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="OrderNotFoundFaultType">
<xsd:complexType>
<xsd:sequence>
<xsd:element minOccurs="0" name="orderID" type="xsd:unsignedInt"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
</wsdl:types>
<wsdl:message name="PurchaseOrder">
<wsdl:part name="parameters" element="tns:PurchaseOrderType"/>
</wsdl:message>
<wsdl:message name="OrderConfirmation">
<wsdl:part name="parameters" element="tns:OrderConfirmationType"/>
</wsdl:message>
<wsdl:message name="GetOrderStatus">
<wsdl:part name="parameters" element="tns:GetOrderStatusType"/>
</wsdl:message>
<wsdl:message name="GetOrderStatusResponse">
<wsdl:part name="parameters" element="tns:GetOrderStatusResponseType"/>
</wsdl:message>
<wsdl:message name="OrderNotFoundFault">
<wsdl:part name="parameters" element="tns:OrderNotFoundFaultType"/>
</wsdl:message>
<wsdl:portType name="IPurchaseOrder">
<wsdl:operation name="Order">
<wsdl:input message="tns:PurchaseOrder" wsaw:Action="http://example.org/purchaseorder"/>
<wsdl:output message="tns:OrderConfirmation" wsaw:Action="http://example.org/orderconfirmation"/>
</wsdl:operation>
<wsdl:operation name="OrderStatus">
<wsdl:input message="tns:GetOrderStatus" wsaw:Action="http://example.org/getorderstatus"/>
<wsdl:output message="tns:GetOrderStatusResponse" wsaw:Action="http://example.org/getorderstatusresponse"/>
<wsdl:fault name="OrderNotFound" message="tns:OrderNotFoundFault" wsaw:Action="http://example.org/ordernotfound"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="PurchaseOrderBinding" type="tns:IPurchaseOrder">
<soap:binding transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="Order">
<soap:operation soapAction="http://example.org/purchaseorder" style="document"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
<wsdl:operation name="OrderStatus">
<soap:operation soapAction="http://example.org/getorderstatus" style="document"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
<wsdl:fault name="OrderNotFound">
<soap:body use="literal"/>
</wsdl:fault>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="PurchaseOrderService">
<wsdl:port name="IPurchaseOrder" binding="tns:PurchaseOrderBinding">
<soap:address location="http://example.org/IPurchaseOrder"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
Makefile
#------------------------------------------------------------
# Copyright (C) Microsoft. All rights reserved.
#------------------------------------------------------------
!include <Win32.Mak>
EXTRA_LIBS = WebServices.lib rpcrt4.lib Iphlpapi.lib
all: $(OUTDIR) $(OUTDIR)\WsUnTypedService.exe
"$(OUTDIR)" :
if not exist "$(OUTDIR)/$(NULL)" mkdir "$(OUTDIR)"
$(OUTDIR)\PurchaseOrder.wsdl.c: PurchaseOrder.wsdl
Wsutil.exe /wsdl:PurchaseOrder.wsdl /string:WS_STRING /out:$(OUTDIR)
$(OUTDIR)\PurchaseOrder.wsdl.obj: $(OUTDIR)\PurchaseOrder.wsdl.c
$(cc) $(cdebug) $(cflags) $(cvarsmt) /WX -I$(OUTDIR) /Fo"$(OUTDIR)\\" /Fd"$(OUTDIR)\\" $(OUTDIR)\PurchaseOrder.wsdl.c
$(OUTDIR)\UnTypedService.obj: UnTypedService.cpp $(OUTDIR)\PurchaseOrder.wsdl.c
$(cc) $(cdebug) $(cflags) $(cvarsmt) /WX -I$(OUTDIR) /Fo"$(OUTDIR)\\" /Fd"$(OUTDIR)\\" UnTypedService.cpp
$(OUTDIR)\WsUnTypedService.exe: $(OUTDIR)\UnTypedService.obj $(OUTDIR)\PurchaseOrder.wsdl.obj
$(link) $(ldebug) $(conlflags) $(conlibsmt) $(EXTRA_LIBS) -out:$(OUTDIR)\WsUnTypedService.exe $(OUTDIR)\UnTypedService.obj $(OUTDIR)\PurchaseOrder.wsdl.obj /PDB:$(OUTDIR)\WsUnTypedService.PDB
clean:
$(CLEANUP)
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