SessionfullCalculatorServiceExample
Implementazione di un servizio calcolatore sessione usando l'host del servizio.
SessionfullCalculatorService.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 <intsafe.h>
#include "SessionBasedCalculatorService.wsdl.h"
HANDLE closeServer = NULL;
class SessionfulCalculator
{
int total;
public:
static HRESULT CALLBACK Add(
__in const WS_OPERATION_CONTEXT* context,
__in int a,
__in_opt const WS_ASYNC_CONTEXT* asyncContext,
__in_opt WS_ERROR* error)
{
UNREFERENCED_PARAMETER(asyncContext);
HRESULT hr = NOERROR;
SessionfulCalculator* calculator = NULL;
hr = WsGetOperationContextProperty(
context,
WS_OPERATION_CONTEXT_PROPERTY_CHANNEL_USER_STATE,
&calculator,
sizeof(SessionfulCalculator*),
error);
if (FAILED(hr))
{
goto Exit;
}
hr = calculator->Add(a);
Exit:
return hr;
}
static HRESULT CALLBACK Subtract(
__in const WS_OPERATION_CONTEXT* context,
__in int a,
__in_opt const WS_ASYNC_CONTEXT* asyncContext,
__in_opt WS_ERROR* error)
{
UNREFERENCED_PARAMETER(asyncContext);
HRESULT hr = NOERROR;
SessionfulCalculator* calculator = NULL;
hr = WsGetOperationContextProperty(
context,
WS_OPERATION_CONTEXT_PROPERTY_CHANNEL_USER_STATE,
&calculator,
sizeof(SessionfulCalculator*),
error);
if (FAILED(hr))
{
goto Exit;
}
hr = calculator->Subtract(a);
Exit:
return hr;
}
static HRESULT CALLBACK Clear(
__in const WS_OPERATION_CONTEXT* context,
__in const WS_ASYNC_CONTEXT* asyncContext,
__in_opt WS_ERROR* error)
{
UNREFERENCED_PARAMETER(asyncContext);
HRESULT hr = NOERROR;
SessionfulCalculator* calculator = NULL;
hr = WsGetOperationContextProperty(
context,
WS_OPERATION_CONTEXT_PROPERTY_CHANNEL_USER_STATE,
&calculator,
sizeof(SessionfulCalculator*),
error);
if (FAILED(hr))
{
goto Exit;
}
hr = calculator->Clear();
Exit:
return hr;
}
static HRESULT CALLBACK Total(
__in const WS_OPERATION_CONTEXT* context,
__out int* total,
__in_opt const WS_ASYNC_CONTEXT* asyncContext,
__in_opt WS_ERROR* error)
{
UNREFERENCED_PARAMETER(asyncContext);
HRESULT hr = NOERROR;
SessionfulCalculator* calculator = NULL;
hr = WsGetOperationContextProperty(
context,
WS_OPERATION_CONTEXT_PROPERTY_CHANNEL_USER_STATE,
&calculator,
sizeof(SessionfulCalculator*),
error);
if (FAILED(hr))
{
goto Exit;
}
hr = calculator->Total(
total);
Exit:
return hr;
}
private:
HRESULT Add(
__in int a)
{
wprintf(
L"Adding %d to a total of %d\n",
a,
total);
total += a;
fflush(
stdout);
return NOERROR;
}
HRESULT Subtract(
__in int a)
{
wprintf(
L"Subtracting %d from a total of %d\n",
a,
total);
total -= a;
fflush(
stdout);
return NOERROR;
}
HRESULT Clear()
{
total = 0;
wprintf(
L"Cleared!\n");
fflush(
stdout);
return NOERROR;
}
HRESULT Total(int* result)
{
wprintf(
L"The total is %d\n",total);
*result = total;
fflush(stdout);
return NOERROR;
}
};
// 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);
}
}
HRESULT CALLBACK CreateSessionCalculator(
__in const WS_OPERATION_CONTEXT* context,
__deref_out void** channelState,
__in_opt const WS_ASYNC_CONTEXT* asyncContext,
__in_opt WS_ERROR* error)
{
UNREFERENCED_PARAMETER(context);
UNREFERENCED_PARAMETER(asyncContext);
UNREFERENCED_PARAMETER(error);
wprintf(
L"Creating Calculator instance\n");
SessionfulCalculator* calculator = new SessionfulCalculator();
if (calculator)
{
*channelState = (void*)calculator;
}
else
{
return E_OUTOFMEMORY;
}
return NOERROR;
}
HRESULT CALLBACK FreeSessionCalculator(
__in const WS_OPERATION_CONTEXT* context,
__in const WS_ASYNC_CONTEXT* asyncContext)
{
UNREFERENCED_PARAMETER(asyncContext);
SessionfulCalculator* calculator = NULL;
WsGetOperationContextProperty(
context,
WS_OPERATION_CONTEXT_PROPERTY_CHANNEL_USER_STATE,
&calculator,
sizeof(SessionfulCalculator*),
NULL);
if (calculator != NULL)
{
wprintf(L"Deleting Calculator instance\n");
delete calculator;
}
SetEvent(closeServer);
return NOERROR;
}
static const
CalculatorBindingFunctionTable
calculatorFunctions = {
SessionfulCalculator::Add,
SessionfulCalculator::Subtract,
SessionfulCalculator::Total,
SessionfulCalculator::Clear
};
// Method contract for the service
static const WS_SERVICE_CONTRACT calculatorServiceContract =
{
&SessionBasedCalculatorService_wsdl.contracts.CalculatorBinding, // comes from the generated header.
NULL, // for not specifying the default contract
&calculatorFunctions // specified by the user
};
// 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 serviceProperties[2];
WS_SERVICE_PROPERTY_ACCEPT_CALLBACK acceptCallbackProperty = {CreateSessionCalculator};
WS_SERVICE_PROPERTY_CLOSE_CALLBACK closeCallbackProperty = {FreeSessionCalculator};
serviceProperties[0].id = WS_SERVICE_ENDPOINT_PROPERTY_ACCEPT_CHANNEL_CALLBACK;
serviceProperties[0].value = &acceptCallbackProperty;
serviceProperties[0].valueSize = sizeof(acceptCallbackProperty);
serviceProperties[1].id = WS_SERVICE_ENDPOINT_PROPERTY_CLOSE_CHANNEL_CALLBACK;
serviceProperties[1].value = &closeCallbackProperty;
serviceProperties[1].valueSize = sizeof(closeCallbackProperty);
// Initialize service endpoint
serviceEndpoint.address.url.chars = L"net.tcp://+/example"; // address given as uri
serviceEndpoint.address.url.length = (ULONG)wcslen(serviceEndpoint.address.url.chars);
serviceEndpoint.channelBinding = WS_TCP_CHANNEL_BINDING; // channel binding for the endpoint
serviceEndpoint.channelType = WS_CHANNEL_TYPE_DUPLEX_SESSION; // the channel type
serviceEndpoint.contract = &calculatorServiceContract; // the contract
serviceEndpoint.properties = serviceProperties;
serviceEndpoint.propertyCount = WsCountOf(serviceProperties);
// Create an error object for storing rich error information
hr = WsCreateError(
NULL,
0,
&error);
if (FAILED(hr))
{
goto Exit;
}
// Create Event object for closing the server
closeServer = CreateEvent(
NULL,
TRUE,
FALSE,
NULL);
if (closeServer == NULL)
{
hr = HRESULT_FROM_WIN32(GetLastError());
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;
}
SessionBasedCalculatorService.wsdl
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:http="http://schemas.xmlsoap.org/wsdl/http/"
xmlns:tns="http://www.example.org"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl"
targetNamespace="http://www.example.org">
<wsdl:types>
<xsd:schema targetNamespace="http://www.example.org" elementFormDefault="qualified">
<xsd:element name="AddType">
<xsd:complexType>
<xsd:sequence>
<xsd:element minOccurs="0" name="addend" type="xsd:int"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="SubtractType">
<xsd:complexType>
<xsd:sequence>
<xsd:element minOccurs="0" name="subtractend" type="xsd:int"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="TotalResponseType">
<xsd:complexType>
<xsd:sequence>
<xsd:element minOccurs="0" name="Total" type="xsd:int"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="AddResponseType">
<xsd:complexType/>
</xsd:element>
<xsd:element name="SubtractResponseType">
<xsd:complexType/>
</xsd:element>
<xsd:element name="TotalRequestType">
<xsd:complexType/>
</xsd:element>
<xsd:element name="ClearType">
<xsd:complexType/>
</xsd:element>
</xsd:schema>
</wsdl:types>
<wsdl:message name="AddMessage">
<wsdl:part name="parameters" element="tns:AddType"/>
</wsdl:message>
<wsdl:message name="AddResponseMessage">
<wsdl:part name="parameters" element="tns:AddResponseType"/>
</wsdl:message>
<wsdl:message name="SubtractMessage">
<wsdl:part name="parameters" element="tns:SubtractType"/>
</wsdl:message>
<wsdl:message name="SubtractResponseMessage">
<wsdl:part name="parameters" element="tns:SubtractResponseType"/>
</wsdl:message>
<wsdl:message name="TotalRequest">
<wsdl:part name="parameters" element="tns:TotalRequestType"/>
</wsdl:message>
<wsdl:message name="TotalResponse">
<wsdl:part name="parameters" element="tns:TotalResponseType"/>
</wsdl:message>
<wsdl:message name="ClearMessage">
<wsdl:part name="parameters" element="tns:ClearType"/>
</wsdl:message>
<wsdl:portType name="ISessionBasedCalculator">
<wsdl:operation name="Add">
<wsdl:input message="tns:AddMessage" wsaw:Action="http://www.example.org/Add"/>
<wsdl:output message="tns:AddResponseMessage" wsaw:Action="http://www.example.org/AddResponse"/>
</wsdl:operation>
<wsdl:operation name="Subtract">
<wsdl:input message="tns:SubtractMessage" wsaw:Action="http://www.example.org/Subtract"/>
<wsdl:output message="tns:SubtractResponseMessage" wsaw:Action="http://www.example.org/SubtractResponse"/>
</wsdl:operation>
<wsdl:operation name="Total">
<wsdl:output message="tns:TotalResponse" wsaw:Action="http://www.example.org/TotalResponse"/>
<wsdl:input message="tns:TotalRequest" wsaw:Action="http://www.example.org/Total"/>
</wsdl:operation>
<wsdl:operation name="Clear">
<wsdl:input message="tns:ClearMessage" wsaw:Action="http://www.example.org/Clear"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="CalculatorBinding" type="tns:ISessionBasedCalculator">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="Add">
<soap:operation soapAction="http://www.example.org/Add"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
<wsdl:operation name="Subtract">
<soap:operation soapAction="http://www.example.org/Subtract"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
<wsdl:operation name="Total">
<soap:operation soapAction="http://www.example.org/Total"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
<wsdl:operation name="Clear">
<soap:operation soapAction="http://www.example.org/Clear"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="SessionBasedService">
<wsdl:port name="Calculator" binding="tns:CalculatorBinding">
<soap:address location="No Target Address"/>
</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) $(OUTDIR)\WsSessionfullCalculatorService.exe
"$(OUTDIR)" :
if not exist "$(OUTDIR)/$(NULL)" mkdir "$(OUTDIR)"
$(OUTDIR)\SessionBasedCalculatorService.wsdl.c: SessionBasedCalculatorService.wsdl
Wsutil.exe /wsdl:SessionBasedCalculatorService.wsdl /string:WS_STRING /out:$(OUTDIR)
$(OUTDIR)\SessionBasedCalculatorService.wsdl.obj: $(OUTDIR)\SessionBasedCalculatorService.wsdl.c
$(cc) $(cdebug) $(cflags) $(cvarsmt) /WX -I$(OUTDIR) /Fo"$(OUTDIR)\\" /Fd"$(OUTDIR)\\" $(OUTDIR)\SessionBasedCalculatorService.wsdl.c
$(OUTDIR)\SessionfullCalculatorService.obj: SessionfullCalculatorService.cpp $(OUTDIR)\SessionBasedCalculatorService.wsdl.c
$(cc) $(cdebug) $(cflags) $(cvarsmt) /WX -I$(OUTDIR) /Fo"$(OUTDIR)\\" /Fd"$(OUTDIR)\\" SessionfullCalculatorService.cpp
$(OUTDIR)\WsSessionfullCalculatorService.exe: $(OUTDIR)\SessionfullCalculatorService.obj $(OUTDIR)\SessionBasedCalculatorService.wsdl.obj
$(link) $(ldebug) $(conlflags) $(conlibsmt) $(EXTRA_LIBS) -out:$(OUTDIR)\WsSessionfullCalculatorService.exe $(OUTDIR)\SessionfullCalculatorService.obj $(OUTDIR)\SessionBasedCalculatorService.wsdl.obj /PDB:$(OUTDIR)\WsSessionfullCalculatorService.PDB
clean:
$(CLEANUP)