CallAbandonExample
Beispiel für eine Clientanwendung, die das Abbrechen eines Aufrufs veranschaulicht.
AbandonCallClient.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 "BlockUnBlockService.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);
}
}
void CALLBACK BlockMethodComplete(HRESULT hr, WS_CALLBACK_MODEL callbackModel, void* callbackState)
{
UNREFERENCED_PARAMETER(hr);
UNREFERENCED_PARAMETER(callbackModel);
UNREFERENCED_PARAMETER(callbackState);
wprintf(L"Method Completed\n");
fflush(stdout);
}
// Main entry point
int __cdecl wmain(int argc, __in_ecount(argc) wchar_t **argv)
{
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
HRESULT hr = NOERROR;
WS_ERROR* error = NULL;
WS_HEAP* heap = NULL;
WS_SERVICE_PROXY* serviceProxy = NULL;
WS_ENDPOINT_ADDRESS address = {};
const WS_ASYNC_CONTEXT asyncContext = {BlockMethodComplete, NULL};
WS_STRING serviceUrl = WS_STRING_VALUE(L"net.tcp://localhost/example");
// Create an error object for storing rich error information
hr = WsCreateError(
NULL,
0,
&error);
if (FAILED(hr))
{
goto Exit;
}
// Create a heap to store deserialized data
hr = WsCreateHeap(
/*maxSize*/ 2048,
/*trimSize*/ 512,
NULL,
0,
&heap,
error);
if (FAILED(hr))
{
goto Exit;
}
hr = WsCreateServiceProxy(WS_CHANNEL_TYPE_DUPLEX_SESSION, WS_TCP_CHANNEL_BINDING, NULL, NULL, 0, NULL, 0, &serviceProxy, error);
if (FAILED(hr))
{
goto Exit;
}
// Initialize address of service
address.url = serviceUrl;
hr = WsOpenServiceProxy(serviceProxy, &address, NULL, error);
if (FAILED(hr))
{
goto Exit;
}
wprintf(L"Calling blocking method async\n");
hr = BlockServiceBinding_Block(serviceProxy, heap, NULL, 0, &asyncContext, error);
if (FAILED(hr))
{
goto Exit;
}
wprintf(L"Now abandoning call\n");
fflush(stdout);
hr = WsAbandonCall(serviceProxy, 0, error);
if (FAILED(hr))
{
goto Exit;
}
wprintf(L"Now unblocking service\n");
hr = BlockServiceBinding_UnBlock(serviceProxy, heap, NULL, 0, &asyncContext, error);
if (FAILED(hr))
{
goto Exit;
}
Exit:
if (FAILED(hr))
{
// Print out the error
PrintError(hr, error);
}
fflush(
stdout);
if (serviceProxy != NULL)
{
WsCloseServiceProxy(serviceProxy, NULL, NULL);
WsFreeServiceProxy(serviceProxy);
}
if (heap != NULL)
{
WsFreeHeap(heap);
}
if (error != NULL)
{
WsFreeError(error);
}
fflush(stdout);
return SUCCEEDED(hr) ? 0 : -1;
}
BlockUnBlockService.wsdl
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions
xmlns:wsdl="https://schemas.xmlsoap.org/wsdl/"
xmlns:soap="https://schemas.xmlsoap.org/wsdl/soap/"
xmlns:http="https://schemas.xmlsoap.org/wsdl/http/"
xmlns:xs="https://www.w3.org/2001/XMLSchema"
xmlns:mime="https://schemas.xmlsoap.org/wsdl/mime/"
xmlns:tns="https://www.example.org"
xmlns:xsd="https://www.w3.org/2001/XMLSchema"
targetNamespace="https://www.example.org"
xmlns:wsaw="https://www.w3.org/2006/05/addressing/wsdl">
<wsdl:types>
<xs:schema targetNamespace="https://www.example.org" elementFormDefault="qualified">
<xsd:element name="BlockServiceType">
<xsd:complexType/>
</xsd:element>
<xsd:element name="BlockServiceResponseType">
<xsd:complexType/>
</xsd:element>
<xsd:element name="UnBlockServiceType">
<xsd:complexType/>
</xsd:element>
<xsd:element name="UnBlockServiceResponseType">
<xsd:complexType/>
</xsd:element>
</xs:schema>
</wsdl:types>
<wsdl:message name="BlockServiceMessage">
<wsdl:part name="parameters" element="tns:BlockServiceType"/>
</wsdl:message>
<wsdl:message name="BlockServiceResponseMessage">
<wsdl:part name="parameters" element="tns:BlockServiceResponseType"/>
</wsdl:message>
<wsdl:message name="UnBlockServiceMessage">
<wsdl:part name="parameters" element="tns:UnBlockServiceType"/>
</wsdl:message>
<wsdl:message name="UnBlockServiceResponseMessage">
<wsdl:part name="parameters" element="tns:UnBlockServiceResponseType"/>
</wsdl:message>
<wsdl:portType name="IBlockUnBlockService">
<wsdl:operation name="Block">
<wsdl:input message="tns:BlockServiceMessage" wsaw:Action="https://www.example.org/Block"/>
<wsdl:output message="tns:BlockServiceResponseMessage" wsaw:Action="https://www.example.org/BlockResponse"/>
</wsdl:operation>
<wsdl:operation name="UnBlock">
<wsdl:input message="tns:UnBlockServiceMessage" wsaw:Action="https://www.example.org/UnBlock"/>
<wsdl:output message="tns:UnBlockServiceResponseMessage" wsaw:Action="https://www.example.org/UnBlockResponse"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="BlockServiceBinding" type="tns:IBlockUnBlockService">
<soap:binding style="document" transport="https://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="Block">
<soap:operation soapAction="https://www.example.org/Block"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
<wsdl:operation name="UnBlock">
<soap:operation soapAction="https://www.example.org/UnBlock"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="BlockUnBlockService">
<wsdl:port name="BlockingService" binding="tns:BlockServiceBinding">
<soap:address location="No Target Address"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
Makefile
!include <Win32.Mak>
EXTRA_LIBS = WebServices.lib rpcrt4.lib Iphlpapi.lib
all: $(OUTDIR) $(OUTDIR)\WsAbandonCallClient.exe
"$(OUTDIR)" :
if not exist "$(OUTDIR)/$(NULL)" mkdir "$(OUTDIR)"
$(OUTDIR)\BlockUnBlockService.wsdl.c: BlockUnBlockService.wsdl
Wsutil.exe /wsdl:BlockUnBlockService.wsdl /string:WS_STRING /out:$(OUTDIR)
$(OUTDIR)\BlockUnBlockService.wsdl.obj: $(OUTDIR)\BlockUnBlockService.wsdl.c
$(cc) $(cdebug) $(cflags) $(cvarsmt) /WX -I$(OUTDIR) /Fo"$(OUTDIR)\\" /Fd"$(OUTDIR)\\" $(OUTDIR)\BlockUnBlockService.wsdl.c
$(OUTDIR)\AbandonCallClient.obj: AbandonCallClient.cpp $(OUTDIR)\BlockUnBlockService.wsdl.c
$(cc) $(cdebug) $(cflags) $(cvarsmt) /WX -I$(OUTDIR) /Fo"$(OUTDIR)\\" /Fd"$(OUTDIR)\\" AbandonCallClient.cpp
$(OUTDIR)\WsAbandonCallClient.exe: $(OUTDIR)\AbandonCallClient.obj $(OUTDIR)\BlockUnBlockService.wsdl.obj
$(link) $(ldebug) $(conlflags) $(conlibsmt) $(EXTRA_LIBS) -out:$(OUTDIR)\WsAbandonCallClient.exe $(OUTDIR)\AbandonCallClient.obj $(OUTDIR)\BlockUnBlockService.wsdl.obj /PDB:$(OUTDIR)\WsAbandonCallClient.PDB
clean:
$(CLEANUP)