391 lines
9.1 KiB
C++
391 lines
9.1 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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#ifndef UNICODE
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#define UNICODE
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#endif
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#include "WebServices.h"
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#include "process.h"
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#include "stdio.h"
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#include "string.h"
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#include "PurchaseOrder.wsdl.h"
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// Print out rich error info
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void PrintError(
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_In_ HRESULT errorCode,
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_In_opt_ WS_ERROR* error)
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{
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wprintf(L"Failure: errorCode=0x%lx\n", errorCode);
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if (errorCode == E_INVALIDARG || errorCode == WS_E_INVALID_OPERATION)
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{
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// Correct use of the APIs should never generate these errors
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wprintf(L"The error was due to an invalid use of an API. This is likely due to a bug in the program.\n");
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}
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HRESULT hr = S_OK;
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if (error != NULL)
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{
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ULONG errorCount;
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hr = WsGetErrorProperty(error, WS_ERROR_PROPERTY_STRING_COUNT, &errorCount, sizeof(errorCount));
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if (FAILED(hr))
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{
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goto Exit;
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}
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for (ULONG i = 0; i < errorCount; i++)
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{
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WS_STRING string;
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hr = WsGetErrorString(error, i, &string);
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if (FAILED(hr))
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{
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goto Exit;
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}
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wprintf(L"%.*s\n", string.length, string.chars);
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}
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}
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Exit:
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if (FAILED(hr))
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{
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wprintf(L"Could not get error string (errorCode=0x%lx)\n", hr);
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}
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}
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// Main entry point
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int __cdecl wmain()
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{
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HRESULT hr = S_OK;
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WS_ERROR* error = NULL;
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WS_CHANNEL* channel = NULL;
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WS_MESSAGE* requestMessage = NULL;
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WS_MESSAGE* replyMessage = NULL;
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WS_HEAP* heap = NULL;
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static const WS_STRING serviceUrl = WS_STRING_VALUE(L"http://localhost/example");
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WS_ENDPOINT_ADDRESS address = {};
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// Create an error object for storing rich error information
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hr = WsCreateError(
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NULL,
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0,
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&error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Set up a property indicating streamined input and output
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WS_TRANSFER_MODE transferMode = WS_STREAMED_TRANSFER_MODE;
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WS_CHANNEL_PROPERTY transferModeProperty;
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transferModeProperty.id = WS_CHANNEL_PROPERTY_TRANSFER_MODE;
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transferModeProperty.value = &transferMode;
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transferModeProperty.valueSize = sizeof(transferMode);
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// Create a HTTP request channel
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hr = WsCreateChannel(
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WS_CHANNEL_TYPE_REQUEST,
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WS_HTTP_CHANNEL_BINDING,
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&transferModeProperty,
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1,
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NULL,
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&channel,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Initialize address of service
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address.url = serviceUrl;
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// Open channel to address
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hr = WsOpenChannel(
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channel,
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&address,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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hr = WsCreateMessageForChannel(
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channel,
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NULL,
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0,
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&requestMessage,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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hr = WsCreateMessageForChannel(
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channel,
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NULL,
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0,
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&replyMessage,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Create a heap to store deserialized data
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hr = WsCreateHeap(
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/*maxSize*/ 2048,
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/*trimSize*/ 512,
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NULL,
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0,
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&heap,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Send request messages and receive reply messages
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for (int i = 0; i < 10; i++)
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{
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// Initialize message headers of the request message
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hr = WsInitializeMessage(
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requestMessage,
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WS_BLANK_MESSAGE,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Add the action header to the request message
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hr = WsSetHeader(
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requestMessage,
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WS_ACTION_HEADER,
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WS_XML_STRING_TYPE,
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WS_WRITE_REQUIRED_VALUE,
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PurchaseOrder_wsdl.messages.PurchaseOrder.action,
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sizeof(*PurchaseOrder_wsdl.messages.PurchaseOrder.action),
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Generate a unique message ID that will be used for the request message
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WS_UNIQUE_ID messageID;
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ZeroMemory(
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&messageID,
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sizeof(messageID));
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DWORD status = UuidCreate(
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&messageID.guid);
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if (status != RPC_S_OK)
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{
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hr = E_FAIL;
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goto Exit;
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}
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// Add the message ID to the request message
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hr = WsSetHeader(
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requestMessage,
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WS_MESSAGE_ID_HEADER,
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WS_UNIQUE_ID_TYPE,
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WS_WRITE_REQUIRED_VALUE,
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&messageID,
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sizeof(messageID),
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Send the message headers of the request message
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hr = WsWriteMessageStart(
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channel,
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requestMessage,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Stream out some purchase orders
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for (int j = 0; j < 10; j++)
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{
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// Initialize body data
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_PurchaseOrderType purchaseOrder;
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purchaseOrder.quantity = 1;
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purchaseOrder.productName = L"Pencil";
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// Serialize body data into message
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hr = WsWriteBody(
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requestMessage,
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&PurchaseOrder_wsdl.globalElements.PurchaseOrderType,
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WS_WRITE_REQUIRED_VALUE,
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&purchaseOrder,
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sizeof(purchaseOrder),
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Send accumulated message data once at least 4096 bytes have been accumulated
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hr = WsFlushBody(
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requestMessage,
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4096,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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}
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// Send the end of the request message
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hr = WsWriteMessageEnd(
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channel,
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requestMessage,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Receive the headers of the reply message
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hr = WsReadMessageStart(
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channel,
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replyMessage,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Stream in all the confirmations
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for (;;)
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{
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// Make sure we have at least once confirmation buffered. Each confirmation
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// may be up to 1024 bytes in size.
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hr = WsFillBody(
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replyMessage,
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1024,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Try to deserialize a confirmation into the heap
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_OrderConfirmationType* orderConfirmation;
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hr = WsReadBody(
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replyMessage,
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&PurchaseOrder_wsdl.globalElements.OrderConfirmationType,
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WS_READ_OPTIONAL_POINTER,
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heap,
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&orderConfirmation,
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sizeof(orderConfirmation),
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// If there are no more confirmations, break out of the loop
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if (orderConfirmation == NULL)
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{
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break;
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}
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// Print out confirmation contents
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wprintf(L"%s\n",
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orderConfirmation->expectedShipDate);
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// Reset the heap which frees the confirmation data that was deserialized
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hr = WsResetHeap(
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heap,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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}
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// Receive the end of the reply message
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hr = WsReadMessageEnd(
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channel,
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replyMessage,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Reset message so it can be used again
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hr = WsResetMessage(
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replyMessage,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Reset message so it can be used again
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hr = WsResetMessage(
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requestMessage,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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}
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Exit:
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if (FAILED(hr))
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{
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// Print out the error
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PrintError(hr, error);
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}
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if (channel != NULL)
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{
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// Close the channel
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WsCloseChannel(channel, NULL, error);
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}
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if (requestMessage != NULL)
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{
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WsFreeMessage(requestMessage);
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}
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if (replyMessage != NULL)
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{
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WsFreeMessage(replyMessage);
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}
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if (channel != NULL)
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{
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WsFreeChannel(channel);
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}
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if (error != NULL)
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{
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WsFreeError(error);
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}
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if (heap != NULL)
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{
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WsFreeHeap(heap);
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}
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fflush(stdout);
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return SUCCEEDED(hr) ? 0 : -1;
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}
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