MulticastUdpServerExample6
Questo esempio mostra un server UDP in ascolto su un indirizzo e risposte multicast alle richieste inviate a tale indirizzo. Questo esempio usa IPv6.
MulticastUdpServer6.cpp
//------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
//------------------------------------------------------------
#ifndef _WINSOCKAPI_
#define _WINSOCKAPI_ /* Prevent inclusion of winsock.h in windows.h */
#endif
#ifndef UNICODE
#define UNICODE
#endif
#include <windows.h>
#include <stdio.h>
#include "WebServices.h"
#include "process.h"
#include "string.h"
#include "PurchaseOrder.wsdl.h"
#include "winsock2.h"
#include "Iphlpapi.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);
}
}
// 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_MESSAGE* requestMessage = NULL;
WS_CHANNEL* channel = NULL;
WS_LISTENER* listener = NULL;
IP_ADAPTER_ADDRESSES* adapterAddresses = NULL;
WS_MESSAGE* replyMessage = NULL;
WS_HEAP* heap = NULL;
WS_STRING shipDate = WS_STRING_VALUE(L"1/8/2006");
HANDLE serverStartedEvent = NULL;
// 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;
}
ULONG addressFamily = AF_INET6;
// First see how much space is needed for adapter addresses
ULONG adapterBufferSize = 0;
ULONG retVal = GetAdaptersAddresses(addressFamily, 0, NULL, NULL, &adapterBufferSize);
if (retVal != ERROR_BUFFER_OVERFLOW)
{
hr = HRESULT_FROM_WIN32(retVal);
goto Exit;
}
// Allocate space for information about adapters
adapterAddresses = (IP_ADAPTER_ADDRESSES*)HeapAlloc(GetProcessHeap(), 0, adapterBufferSize);
if (adapterAddresses == NULL)
{
hr = E_OUTOFMEMORY;
goto Exit;
}
// Get list of adapters
retVal = GetAdaptersAddresses(
AF_INET6,
0, NULL, adapterAddresses, &adapterBufferSize);
if (retVal != 0)
{
hr = HRESULT_FROM_WIN32(retVal);
goto Exit;
}
WS_LISTENER_PROPERTY properties[3];
// Specify that the listener will be used with multicast addresses
BOOL isMulticast = TRUE;
properties[0].id = WS_LISTENER_PROPERTY_IS_MULTICAST;
properties[0].value = &isMulticast;
properties[0].valueSize = sizeof(isMulticast);
// Disable checking of the To header since it will differ from the transport address
ULONG toHeaderMatchingOptions = 0;
properties[1].id = WS_LISTENER_PROPERTY_TO_HEADER_MATCHING_OPTIONS;
properties[1].value = &toHeaderMatchingOptions;
properties[1].valueSize = sizeof(toHeaderMatchingOptions);
WS_IP_VERSION ipVersion6 = WS_IP_VERSION_6;
properties[2].id = WS_LISTENER_PROPERTY_IP_VERSION;
properties[2].value = &ipVersion6;
properties[2].valueSize = sizeof(ipVersion6);
// Create a listener
hr = WsCreateListener(
WS_CHANNEL_TYPE_DUPLEX,
WS_UDP_CHANNEL_BINDING,
properties,
WsCountOf(properties),
NULL,
&listener,
error);
if (FAILED(hr))
{
goto Exit;
}
// Open listener at address
WS_STRING uri;
uri.chars = L"soap.udp://[FF02::C]:809";
uri.length = (ULONG)wcslen(uri.chars);
hr = WsOpenListener(
listener,
&uri,
NULL,
error);
if (FAILED(hr))
{
goto Exit;
}
BOOL foundLocalAdapter = FALSE;
// For each adapter
for (IP_ADAPTER_ADDRESSES* adapterAddress = adapterAddresses;
adapterAddress != NULL; adapterAddress = adapterAddress->Next)
{
// Only listen on the loopback adapter
if (adapterAddress->IfType == IF_TYPE_SOFTWARE_LOOPBACK)
{
// Get multicast interface index
ULONG interfaceIndex = adapterAddress->Ipv6IfIndex;
// Specify that the listener should listen for multicast
// traffic on this interface.
hr = WsSetListenerProperty(listener, WS_LISTENER_PROPERTY_MULTICAST_INTERFACES,
&interfaceIndex, sizeof(interfaceIndex), error);
if (FAILED(hr))
{
goto Exit;
}
foundLocalAdapter = TRUE;
break;
}
}
if (!foundLocalAdapter)
{
wprintf(L"No local adapter found\n");
hr = E_FAIL;
goto Exit;
}
hr = WsCreateChannelForListener(
listener,
NULL,
0,
&channel,
error);
if (FAILED(hr))
{
goto Exit;
}
hr = WsCreateMessageForChannel(
channel,
NULL,
0,
&requestMessage,
error);
if (FAILED(hr))
{
goto Exit;
}
hr = WsCreateMessageForChannel(
channel,
NULL,
0,
&replyMessage,
error);
if (FAILED(hr))
{
goto Exit;
}
// Create an event to synchronize the client and server processes.
serverStartedEvent = CreateEventW(
NULL,
TRUE,
FALSE,
L"WebServicesExampleServerStartedEvent");
if (NULL == serverStartedEvent)
{
wprintf(
L"Failed to create the client-server synchronization event (errorCode=0x%lx).\n",
GetLastError());
hr = HRESULT_FROM_WIN32(GetLastError());
goto Exit;
}
// Server is started, set the event to signal the clients.
if (!SetEvent(
serverStartedEvent))
{
wprintf(
L"Failed to set the client-server synchronization event (errorCode=0x%lx).\n",
GetLastError());
hr = HRESULT_FROM_WIN32(GetLastError());
goto Exit;
}
// Receive two multicast requestMessages
for (int i = 0; i < 2; i++)
{
// Wait for requestMessage
// Accept a channel from the client
hr = WsAcceptChannel(listener, channel, NULL, error);
if (FAILED(hr))
{
goto Exit;
}
// Read start of requestMessage (headers)
hr = WsReadMessageStart(channel, requestMessage, NULL, 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_POINTER, heap, &purchaseOrder, sizeof(purchaseOrder), error);
if (FAILED(hr))
{
goto Exit;
}
// Read end of requestMessage
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);
// Get the address that the datagram was received from
WS_ENDPOINT_ADDRESS remoteAddress;
hr = WsGetChannelProperty(
channel,
WS_CHANNEL_PROPERTY_REMOTE_ADDRESS,
&remoteAddress,
sizeof(remoteAddress),
error);
if (FAILED(hr))
{
goto Exit;
}
// Initialize order confirmation data
_OrderConfirmationType orderConfirmation;
orderConfirmation.expectedShipDate = shipDate;
orderConfirmation.orderID = 123;
// Send a reply message. The reply message will be sent to the
// source IP address of the received datagram. This function
// will automatically set the RelatesTo header of the replyMessage
// to the MessageID of the requestMessage.
hr = WsSendReplyMessage(
channel,
replyMessage,
&PurchaseOrder_wsdl.messages.OrderConfirmation,
WS_WRITE_REQUIRED_VALUE,
&orderConfirmation,
sizeof(orderConfirmation),
requestMessage,
NULL,
error);
if (FAILED(hr))
{
goto Exit;
}
// Reset replyMessage so it can be used again
hr = WsResetMessage(replyMessage, error);
if (FAILED(hr))
{
goto Exit;
}
// Reset requestMessage so it can be used again
hr = WsResetMessage(requestMessage, error);
if (FAILED(hr))
{
goto Exit;
}
hr = WsCloseChannel(channel, NULL, error);
if (FAILED(hr))
{
goto Exit;
}
hr = WsResetChannel(channel, error);
if (FAILED(hr))
{
goto Exit;
}
}
Exit:
if (FAILED(hr))
{
// Print out the error
PrintError(hr, error);
}
fflush(
stdout);
if (channel != NULL)
{
// Close the channel
WsCloseChannel(channel, NULL, error);
}
if (channel != NULL)
{
WsFreeChannel(channel);
}
if (listener != NULL)
{
// Close the listener if it was opened
WsCloseListener(listener, NULL, error);
}
if (listener != NULL)
{
WsFreeListener(listener);
}
if (requestMessage != NULL)
{
WsFreeMessage(requestMessage);
}
if (replyMessage != NULL)
{
WsFreeMessage(replyMessage);
}
if (NULL != serverStartedEvent)
{
CloseHandle(serverStartedEvent);
}
if (error != NULL)
{
WsFreeError(error);
}
if (heap != NULL)
{
WsFreeHeap(heap);
}
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) $(OUTDIR)\WsMulticastUdpServer6.exe
"$(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)\MulticastUdpServer6.obj: MulticastUdpServer6.cpp $(OUTDIR)\PurchaseOrder.wsdl.c
$(cc) $(cdebug) $(cflags) $(cvarsmt) /WX -I$(OUTDIR) /Fo"$(OUTDIR)\\" /Fd"$(OUTDIR)\\" MulticastUdpServer6.cpp
$(OUTDIR)\WsMulticastUdpServer6.exe: $(OUTDIR)\MulticastUdpServer6.obj $(OUTDIR)\PurchaseOrder.wsdl.obj
$(link) $(ldebug) $(conlflags) $(conlibsmt) $(EXTRA_LIBS) -out:$(OUTDIR)\WsMulticastUdpServer6.exe $(OUTDIR)\MulticastUdpServer6.obj $(OUTDIR)\PurchaseOrder.wsdl.obj /PDB:$(OUTDIR)\WsMulticastUdpServer6.PDB
clean:
$(CLEANUP)
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